WO1999034121B1 - Method and apparatus for transferring drilling energy to a cutting member - Google Patents

Method and apparatus for transferring drilling energy to a cutting member

Info

Publication number
WO1999034121B1
WO1999034121B1 PCT/US1998/027847 US9827847W WO9934121B1 WO 1999034121 B1 WO1999034121 B1 WO 1999034121B1 US 9827847 W US9827847 W US 9827847W WO 9934121 B1 WO9934121 B1 WO 9934121B1
Authority
WO
WIPO (PCT)
Prior art keywords
load cell
detm
strands
wrap
torque
Prior art date
Application number
PCT/US1998/027847
Other languages
French (fr)
Other versions
WO1999034121A1 (en
Inventor
Jack W Romano
Original Assignee
Jack W Romano
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jack W Romano filed Critical Jack W Romano
Priority to BR9814553-3A priority Critical patent/BR9814553A/en
Priority to EP98965032A priority patent/EP1042618A1/en
Priority to JP2000526748A priority patent/JP2002500322A/en
Priority to CA002315749A priority patent/CA2315749A1/en
Priority to AU20230/99A priority patent/AU2023099A/en
Priority to KR1020007007336A priority patent/KR20010033792A/en
Publication of WO1999034121A1 publication Critical patent/WO1999034121A1/en
Publication of WO1999034121B1 publication Critical patent/WO1999034121B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • F16C1/06—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements with guiding sheathing, tube or box
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1642—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for producing a curved bore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • F16C1/04—Articulated shafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613—Component parts
    • A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1796—Guides or aligning means for drills, mills, pins or wires for holes for sutures or flexible wires
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2316/00—Apparatus in health or amusement
    • F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/4984—Retaining clearance for motion between assembled parts
    • Y10T29/49842—Between tube-forming helical coils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part

Abstract

A continuous congruent length of stranded flexible Drilling Energy Transfer Member (DETM) to transfer and balance action/reaction forces between an energy source and a working tip (9) such that torque, tensile, compression and self supporting forces are constrained while the DETM operates in multiple positions of tight curvature and straight run. The DETM having a core load cell with a plurality of strands (13, 14, 16) sized and layered at a helical angle and an outer wrap load cell with a second plurality of strands (17, 18) sized and layered at a helical angle.

Claims

55AMENDED CLAIMS[received by the International Bureau on 22 June 1999 (22.06.99); original claims 1-6, 8-14 and 18 amended; new claims 23-60 added; remaining claims unchanged (19 pages)]
1. A flexible DETM comprising; an inner core load cell comprising a first plurality of strands sized and laid at a helical angle sufficient for transmitting predetermined tensile and compression loads under rotary drilling pressure, and an outer wrap load cell comprising a second plurality of strands sized and laid at a helical angle sufficient for transmitting predetermined torque loads under rotary drilling pressure, the force fields and mass distribution of said load cells being balanced in function such that said first load cell structurally supports said second load cell against destruction by axially directed forces and said second load cell structurally supports said first load cell against destruction by rotationally directed torque forces and maintains longitudinal support therefor .
2. A multi strand flexible DETM for tight radius rotary drilling comprising; a core construction composed of a first plurality of strands comprising a first load cell for transmitting tensile and compression loads while under rotary drilling pressure, said first plurality of strands being generally axially directed and laid at a flat helical angle, an outer wrap construction surrounding said core and composed of a second plurality of strands comprising a second load cell for transmitting rotational torque loads while under rotary drilling pressure, said second plurality of strands being generally circumferentially directed and laid at a steep helical 56
angle, the force fields and mass distribution of said first and second load cells being balanced in function such that said first load cell structurally supports said second load cell against destruction by axially directed forces and said second load cell structurally supports said first load cell against destruction by rotationally directed torque forces and maintains longitudinal support therefor.
3. The DETM of claim 2 wherein; said first plurality of strands are sized and laid at a helical angle sufficient for transmitting predetermined tensile and compression loads under rotary drilling pressure, and said second plurality of strands are sized and laid at a helical angle sufficient for transmitting predetermined torque loads under rotary drilling pressure .
4. The DETM of claim 3 wherein; said first plurality of strands comprise a single strand mandrel and first and second oppositely directed inner helical strand wraps laid thereon at a flat helical angle forming an interlocking configuration for transmitting axial loads.
5. The DETM of claim 4 wherein; said second plurality of strands comprises first and second oppositely directed outer helical strand wraps laid at a steep helical angle forming an interlocking configuration for transmitting torque loads .
6. The DETM of claim 3 wherein; said DETM has a given total mass and said first and second load cells comprise primary load cells, the mass of said first load cell constitutes approximatley 41.6% of the total mass, and the mass of said second load cell comprises the balance of the total mass.
7. The DETM of claim 6 wherein; said second load cell comprises separate radially successive first and second reversely wound helical torque wraps, each wrap including a plurality of strands, said first torque wrap comprising a middle torque wrap constituting approximately 25.1% of the total mass, and said second torque wrap comprising an outer torque wrap constituting approximately 32.2% of the total mass.
8. The DETM of claim 7 wherein; said first load cell comprises a central mandrel strand and inner and outer reversely wound helical core wraps, each wrap including a plurality of strands, said inner core wrap constitutes 12.6% of the total mass, said outer core wrap constitutes 27% of the total mass, and said mandrel strand constitutes 1.8% of the total mass.
9. The DETM of claim 8 wherein; said middle torque wrap comprises five right hand 58
laid strands, said outer torque wrap comprises seven left hand laid strands, said inner core wrap comprises six right hand laid strands, and said outer core wrap comprises twelve right hand laid strands.
10. The DETM of claim 5 wherein; said first and second inner helical strand wraps are laid at a 10°-15° helical angle, and said first and second outer helical strand wraps are laid at 60°-68° and 68°-72° helical angles respectively.
11. The DETM of claim 8 wherein; said inner core and outer core wraps are laid at a 10°-15° helical angle, and said middle and outer torque wraps are laid at 60°- 68° and 68°-72° helical angles respectively.
12. A method for constructing a DETM comprising; laying a first wrap of a plurality of wire strands about a single wire mandrel at helical angle of 10°-15° in a first direction, laying a second wrap of a plurality of wire strands on a said first wrap at a helical angle of 10°-
15° in the opposite direction, laying a third wrap of a plurality of wire strands on said second wrap at a helical angle of 60°-68° in said first direction, and laying a fourth wrap of a plurality of wire 59
strands on said third wrap at a helical angle of 68°-72° in said opposite direction.
13. A flexible DETM comprising; a core load cell for transmitting axial tensile and compression loads during drilling pressure, and an outer wrap torque transmitting load cell, said core load cell including a single strand mandrel, a first six strand right hand laid wrap and a second twelve strand left hand laid wrap, said outer wrap load cell including a first five strand outer wrap laid on said twelve strand wrap in a right hand direction and a second seven strand outer wrap laid on said five strand wrap in a left hand direction.
14. The DETM of claim 13 wherein; the overall diameter of said DETM is .045 inches, said six strand and said twelve strand wraps are laid to a helical angle of 10°-15°, said five strand wrap is laid at a helical angle of 60°-68°, and said seven strand wrap is laid at a helical angle of 68°-72°.
15. The DETM of claim 14 wherein; said mandrel, said six strand wrap and said twelve strand wrap comprise .0045 inch diameter wires, said five strand wrap comprises .0065 inch diameter wires, and said seven strand wrap comprises .006 inch diameter wires. 60
16. A rigid construction for connecting a cutter head to the terminal end of a flexible rotary shaft having a given diameter comprising; a hollow cylindrical stem on said cutter head, said hollow stem having an internal diameter sized to snugly receive a portion of the terminal end of said shaft; and at least one fused weld extending through the body of said stem into the center area of said shaft.
17. The construction of claim 16 wherein said fused weld comprises a plurality of radially directed fused areas spaced circumferentially about the wall of said stem. said fused areas extending from the outer surface of the stem to the center of said shaft.
18. A rigid construction for connecting a cutter head to the end of a flexible rotary shaft having a given diameter comprising; a hollow cylindrical stem on said cutter head, said stem having an internal diameter sized to snugly receive a portion of the terminal end of said shaft, a shoulder on said cutter head located immediately adjacent the bottom of said hollow stem, and at least one fused weld extending obliquely through said shoulder into the center area of said shaft .
19. A rigid construction for connecting a cutter head to the terminal end of a flexible rotary shaft having a given diameter comprising; 6 1
a stem on said cutter head having a diameter equal to the diameter of said shaft and adapted to abuttingly engage the terminal end thereof, a hollow cylindrical sleeve having an internal diameter sized to receive said shaft and said stem thereon with a snug fit, and at least one fused weld extending through the body of said sleeve into the center area of the abating end faces of said stem and said shaft.
20. The construction of claim 19 wherein said fused weld comprises a plurality of radially directed fused areas spaced circumferentially about the wall of said sleeve.
21. The construction of claim 19 wherein said fused weld is located adjacent one end of said sleeve adjacent said cutter head.
22. The construction of claim 20 including; a rigid collar attached to the outside of said sleeve for contacting the drill grid of a drilling apparatus .
23. A flexible DETM comprising in combination; an inner load cell, an outer load cell concentric with said inner load cell, said inner load cell comprising substantially longitudinally laid load bearing units, and said outer load cell comprising helically laid load bearing units. 62
24. The DETM of claim 23 wherein; said inner load cell comprises a core with the load bearing units thereof being wrapped substantially linearally for carrying longitudinally directed loads and resisting longitudinal deformation, said outer load cell comprises helically wrapped torque load cell units for transferring rotary shear torque drilling energy.
25. A multi-strand flexible DETM having two primary functionally balanced load cells comprising; an inner load cell having an inner cross sectional area and an outer load cell having an outer cross sectional area, said inner cross sectional area being approximately 25% with respect to the total and approximately 66.7% less than the outer cross sectional area, the volume of said inner load cell being approximately 25% with respect to the total and approximately 66.7% less than the volume of the outer load cell, the mass of said inner load cell being approximately 41.6% with respect to the total and approximately 20.7% less than the mass of the outer load cell, the strands of said inner and outer load cells being laid with predetermined helical slopes wherein the net slope vectors of the inner load cell is 204 % with respect to the net slope vectors of the outer load cell, whereby the total combined net sloping force is balanced to function; said inner and outer load cells each having a work priority wherein the inner load cell primarily 63
functions in balance with the outer load cell to withstand and resist linear deformation and the outer load cell primarily functions to transfer and constrain drilling energy in helical torque and shear.
26. The DETM of claim 25 wherein said inner load cell has a net center of mass leverage value of 3x and said outer load cell has a net center of mass leverage value of 7x.
27. The DETM of claim 25 wherein said two primary load cells are functionally balanced for load bearing primarily tensile to torque and torque to tensile, linear to rotary and rotary to linear.
28. The DETM of claim 26 wherein said two primary load cells are functionally balanced for load bearing primarily tensile to torque and torque to tensile, linear to rotary and rotary to linear.
29. A multi-strand flexible DETM comprising; inner and outer helically laid concentric load cells, said load cells being functionally balanced with respect to net vector slope, net mass, net volume, net cross sectional area and net load cell center of mass leverage valves, such that the inner load cell resists linear elongation and deformation and the outer load cell provides the balance of transfer of torque forces.
30. The DETM of claim 29 wherein said inner and outer load cells are functionally balanced for load 64
bearing primarily tensile to torque and torque to tensile, linear to rotary and rotary to linear.
31. The DETM of claim 23 wherein; said inner load cell is laid longitudinally to the axis of the DETM, said outer load cell comprising a pair of cross linked opposing units for the transmission of helical shear load.
32. The DETM of claim 23 including; an energy source, a working tip, said DETM being connected between said energy source and said working tip to transfer drilling energy therebetween, said inner load cell laid and wrapped to withstand extension and compression forces, said outer load cell comprising a pair of cross linked interlocking cell units for transferring and constraining helical shear torque rotary forces between said energy source and said working tip.
33. A DETM for transferring drilling energy between an energy source and a working tip comprising; an inner tensile load cell an outer cross linked pair of stranded load cells, the outer cross linked load cells being stranded and laid for transmission of rotary torque shear forces between the energy source and the working tip, the net slope vector forces of the cross 65
linked load cells being balanced in function and equilibrium to provide counter opposing interlocking constraint .
34. The DETM of claim 25 wherein; said outer load cell comprises counter opposing right and left lay load cell units, said outer load cell comprising the balance of the cross sectional area, volume and mass of the DETM, said inner load cell comprising a net vector slope approximately 148% to the total, directed 88% toward tensile load, and said outer load units having a net vector slope directed 430% toward torque load.
35. The DETM of claim 34 including; an energy source, a working tip, said DETM being connected between said energy source and said working tip to transfer drilling energy therebetween .
36. The DETM of claim 32 wherein; the diameter of said DETM is one half the diameter of said working tip and configured to operate in the curved bore formed thereby.
37. The DETM of claim 36 wherein said DETM is configured to transfer drilling energy along a curved bore radius of approximately .25 inches and to rotate and reciprocate therein.
38. The DETM of claim 37 wherein; 66
the cubic load cell units space volume changes upon rotation throughout the curve bore path, the helical pitch excursion and the shifting thereof being made in proportion to the radius of operation of the DETM to the outside diameter thereof, the force field distribution being so high as to close gaps between the load cell units in the curved path causing side-by-side contact of the load cell units upon excursion in reaction to rotation and translation within the curved path.
39. Curved bore drilling apparatus comprising in combination; a rotary drive means; a cutter tip; a drill shaft adapted for connection to said rotary drive means, said drill shaft means having a distal flexible DETM with said cutter tip attached thereto, mounting means supporting said drill shaft for movement in a rectilinear path, and guide means to guide said flexible DETM and said cutter tip form said rectilinear path along a curved path to form said curved bore, said flexible DETM comprising an inner load cell and a concentric outer load cell, said inner load cell comprising substantially longitudinally laid load bearing units for transmitting tensile forces, and said outer load cell comprising helically laid load bearing units for transferring rotary torque drilling energy, the force fields and mass distribution of 67
said load cells being balanced in function such that the inner load cell structurally supports said outer load cell against destruction by axially directed forces and said outer load cell structurally supports said inner load cell against destruction by rotationally directed torque forces and maintains longitudinal support therefor.
40. The drilling apparatus of claim 39 wherein; said inner and outer load cells comprise helically wrapped cross linked load cell units,
41. The drilling apparatus of claim 40 wherein; said inner load cell includes a single strand mandrel and said load cell units comprise a plurality of helically laid strands, the diameter of said DETM being approximately
.045 inches and said curved bore has a radius of approximately .25 inches.
42. The DETM of claim 24 wherein; said inner load cell includes; a single strand mandrel unit for linear support, a right hand wound six strand load sharing cell unit, and a left hand wound twelve strand load sharing cell unit, the load cell units of said inner load cell resisting substantially linear deforming loads.
43. The DETM of claim 42 wherein said outer load cell includes; 68
and a right hand wound five strand load sharing cell unit, and a left hand wound seven strand load sharing cell unit, the load cell units of said outer load cell resisting shear torque loads,
said inner and outer load cells being balanced in function such that the inner load cell structurally supports said outer load cell against destruction by axially directed forces and said outer load cell structurally supports said inner load cell against destruction by rotationally directed torque forces and maintains longitudinal support therefor.
44. The DETM of claim 43 wherein; the strands of said load cell units comprise wires drawn and cold worked to a desired material temper and wrapped in layers having a cold work effect and maintaining a spring load, the DETM being heat tempered as stranded and close to operating excursion pitch angle to stress relieve said strands.
45. The DETM of claim 44 wherein; the spring temper is killed at operating excursion so that land flats are formed on said strands to provide pivotal fulcrums as the strands move and shift in reaction to change in run mode patterns as the DETM moves through a curved path.
46. A method for transferring rotary torque and axial tensile and compression forces from a source of 69
rotary power to a working tip with a flexible DETM for forming curved bore comprising the steps of; wrapping a plurality of inner strands to form an inner load cell, said inner strands being wrapped at a helical angle, represented as a given first load cell force vector, chosen to transmit a predetermined primarily axial tensile/compression force, wrapping a plurality of outer strands to form an outer load cell, said outer strands being wrapped at a helical angle, represented as a given second load cell force vector, chosen to transmit a predetermined primarily rotary torque force, connecting said inner and outer load cells to said power source and said working tip, balancing said first and second load cell force vectors to function, whereby said inner load cell structurally supports said outer load cell against destruction by axially directed forces and said outer load cell structurally supports said inner load cell against destruction by rotationally directed torque forces and maintains longitudinal support therefor.
47. The method of claim 46 wherein; the overall diameter of said DETM is approximately .045 inches, and the radius of said curved bore is approximately .25 inches.
48. The method of claim 46 wherein said inner strands are wrapped about a single strand mandrel, and 70
including the steps of; laying said inner load cell in double cross link layers providing inner load cell units, laying said outer load cell in double cross link layers providing outer load cell units.
49. The method of claim 48 wherein; said inner load cell units comprise a first inner layer six strand right hand laid wrap and a second twelve strand left hand laid wrap, and said outer load cell units comprises a first five stand right hand laid wrap and a second seven strand left hand wrap.
50. The method of claim 49 including the steps of; laying the strands of said inner load cells at a 10°-15° helical angle, and laying the first and second outer load cell units a 60°-68° and 68°-72° helical angles respectively.
51. The method of claim 50 wherein; the overall diameter of said DETM is approximately .045 inches, said mandrel, said six stand wrap and said twelve strand wrap comprise .0045 inch diameter wires, said five strand wrap comprises .0065 inch diameter wires, and said seven strand wrap comprises .006 inch diameter wires.
52. The method of claim 48 including the steps 7 1
of ; directing said flexible DETM along a rectilinear approach path toward the surface of the material to be bored, maintaining a portion of said DETM within said rectilinear approach path, and simultaneously guiding the distal end of said flexible DETM and working tip through a curved path, said working tip forming a curved bore into said material, and advancing and retracting said DETM from said curved bore to effect material cutting and chip removal .
53. The method of claim 52 including the steps of; supporting said DETM with a curved drill guide along said curved path, said DETM being unsupported through said rectilinear path.
54. The method of claim 53 including the steps of; moving said DETM progressively and regressively through 3 o'clock, 6 o'clock, 9 o'clock and 12 o'clock positions causing cubic space volume changes in said DETM and operational pitch excursion shifts between the stands of said cross linked wraps of a magnitude related generally to the proportional relationship between the radius of operation of the DETM and the diameter thereof, the vector force balance between said inner and outer load cells providing the strength and flexibility for support of said DETM in the unsupported 72
rectilinear path and during supported rotation and reciprocation into and out of said curved path.
55. The method of claim 48 including the steps of; forming the strand of said cross linked layers from cold work tempered wire stands and laying said strands at predetermined helical pitch angles so as to form land flats on the cross linked strands which act as fulcrum points for angle excursion between cross stands during curved path drilling, and heat treating said DETM at operating torque pitch conditions to release the spring stress in said strands .
56. The method of claim 55 wherein; the overall diameter of said DETM is approximately .045 inches, and the radius of said curved bore is approximately .25 inches.
57. The method of claim 49 including the steps of; forming the strands of said cross linked layers from cold work tempered wire strands and laying said strands at predetermined helical pitch angles so as to form land flats on the cross linked strands which act as fulcrum points for angle excursion between cross stands during curved path drilling, and heat treating said DETM at operating torque pitch conditions to release the spring stress in said strands . 73
58. A method of manufacturing a flexible force transmission shaft for transmitting axial and torque forces along a curved path comprising the steps of; cold working wire strands to obtain a desired diameter and predetermined temper and tensile strength, tightly wrapping a plurality of said strands in cross linked layers with sufficient tension to form land flats on the strands which act as fulcrum points for angle excursion between crossed strands during movement of the shaft through a curved path, and heat treating said shaft at operating torque conditions to release the spring stress in said strands .
59. The method of claim 57 wherein; the overall diameter of said DETM is approximately .045 inches, and the radius of said curved bore is approximately .25 inches.
60. The method of claim 58 including the steps of; laying said strands to form a shaft having a diameter of approximately .045 inches and wrapping said strands in a configuration having sufficient flexibility for transmitting tensile and torque loads during reciprocation of said shaft into and out of a curved path having a radius of approximately .25 inches.
PCT/US1998/027847 1997-12-31 1998-12-30 Method and apparatus for transferring drilling energy to a cutting member WO1999034121A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BR9814553-3A BR9814553A (en) 1997-12-31 1998-12-30 Drilling energy transfer element (detm) flexibly, construction process, and rigid construction for connecting a cutter head to the end of a rotating shaft flexibly having a specific diameter.
EP98965032A EP1042618A1 (en) 1997-12-31 1998-12-30 Method and apparatus for transferring drilling energy to a cutting member
JP2000526748A JP2002500322A (en) 1997-12-31 1998-12-30 Method and apparatus for transmitting drilling energy to a cutting member
CA002315749A CA2315749A1 (en) 1997-12-31 1998-12-30 Method and apparatus for transferring drilling energy to a cutting member
AU20230/99A AU2023099A (en) 1997-12-31 1998-12-30 Method and apparatus for transferring drilling energy to a cutting member
KR1020007007336A KR20010033792A (en) 1997-12-31 1998-12-30 Method and apparatus for transferring drilling energy to a cutting member

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7008197P 1997-12-31 1997-12-31
US60/070,081 1997-12-31

Publications (2)

Publication Number Publication Date
WO1999034121A1 WO1999034121A1 (en) 1999-07-08
WO1999034121B1 true WO1999034121B1 (en) 1999-08-12

Family

ID=22093002

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/027847 WO1999034121A1 (en) 1997-12-31 1998-12-30 Method and apparatus for transferring drilling energy to a cutting member

Country Status (9)

Country Link
US (3) US6267679B1 (en)
EP (1) EP1042618A1 (en)
JP (1) JP2002500322A (en)
KR (1) KR20010033792A (en)
CN (1) CN1285900A (en)
AU (1) AU2023099A (en)
BR (1) BR9814553A (en)
CA (1) CA2315749A1 (en)
WO (1) WO1999034121A1 (en)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999034121A1 (en) * 1997-12-31 1999-07-08 Romano Jack W Method and apparatus for transferring drilling energy to a cutting member
US8486078B2 (en) * 1999-05-10 2013-07-16 Highgate Orthopedics Systems, devices and apparatuses for bony fixation and disk repair and replacement methods related thereto
DE29914126U1 (en) * 1999-08-12 1999-10-14 Dewert Antriebs Systemtech linear actuator
DE10203635A1 (en) * 2002-01-30 2003-07-31 Valeo Klimasysteme Gmbh Device for transmitting rotational forces
US6881150B2 (en) * 2002-11-05 2005-04-19 S. S. White Technologies Inc. Wire wound flexible shaft having extended fatigue life and method for manufacturing the same
DE10324838A1 (en) * 2003-06-02 2004-12-23 Cooper Cameron Corp., Houston Measuring distance covered involves measurement body undergoing deformation by extending in area along longitudinal axis, compressing at another area, evaluating deformation sensor output
US6974386B1 (en) * 2003-06-19 2005-12-13 Raytheon Company Motor drive system with wire-wound flexible coupling
US8496660B2 (en) * 2003-10-17 2013-07-30 K2M, Inc. Systems, devices and apparatuses for bony fixation and disk repair and replacement and methods related thereto
WO2005037082A2 (en) 2003-10-17 2005-04-28 Highgate Orthorpedics, Inc. Systems, devices and apparatuses for bony fixation and disk repair and replacement and methods related thereto
US7846183B2 (en) * 2004-02-06 2010-12-07 Spinal Elements, Inc. Vertebral facet joint prosthesis and method of fixation
US7604636B1 (en) 2004-04-20 2009-10-20 Biomet Sports Medicine, Llc Method and apparatus for arthroscopic tunneling
US9504583B2 (en) 2004-06-10 2016-11-29 Spinal Elements, Inc. Implant and method for facet immobilization
WO2008038307A1 (en) * 2006-09-25 2008-04-03 Piezosurgery S.R.L. Handpiece with surgical tool to perform holes in bone tissues.
US8992533B2 (en) 2007-02-22 2015-03-31 Spinal Elements, Inc. Vertebral facet joint drill and method of use
US8652137B2 (en) 2007-02-22 2014-02-18 Spinal Elements, Inc. Vertebral facet joint drill and method of use
US7918298B2 (en) * 2007-04-09 2011-04-05 Travis Andrew Cook Bi-directional ice-particle spray generating device for snow vehicles
US8343197B2 (en) * 2007-04-11 2013-01-01 Toby Orthopaedics, Inc. Curved assembly for reattachment of fragmented bone segments
EP1983148B1 (en) * 2007-04-20 2011-04-06 Services Pétroliers Schlumberger Flexible Drill Shaft
US8029524B1 (en) * 2007-11-15 2011-10-04 B&M Precision, Inc. Angled rotary tissue cutting instruments and inner members therefor having flexible couplings
US8250844B2 (en) 2008-10-09 2012-08-28 W. C. Heraeus Gmbh Helically-wound cable and method
US20100230017A1 (en) * 2009-03-12 2010-09-16 Frank Richard B Ultra-High Strength, Corrosion Resistant Wire, a Method of Making Same, and a Method of Using Same
US8870873B2 (en) * 2009-05-08 2014-10-28 DePuy Synthes Products, LLC Disposable burr attachment
US8939979B2 (en) 2009-05-08 2015-01-27 DePuy Synthes Products, LLC Surgical drill with curved burr attachment and method
WO2012030623A1 (en) * 2010-09-03 2012-03-08 Actuant Corporation Light vehicle power train having a semi-flexible shaft
EP2624769B1 (en) * 2010-10-06 2018-04-18 Smith & Nephew, Inc. A system for use in tissue repair
US9271765B2 (en) 2011-02-24 2016-03-01 Spinal Elements, Inc. Vertebral facet joint fusion implant and method for fusion
USD724733S1 (en) 2011-02-24 2015-03-17 Spinal Elements, Inc. Interbody bone implant
US8740949B2 (en) 2011-02-24 2014-06-03 Spinal Elements, Inc. Methods and apparatus for stabilizing bone
US8646559B2 (en) * 2011-04-11 2014-02-11 Denis Beaudoin Ice-particle spray generating device for snow vehicles
CN102913534A (en) * 2011-08-01 2013-02-06 舒能（苏州）工业技术有限公司 Hollow flexible shaft of flat steel wires
CN102909664B (en) * 2011-08-01 2015-08-19 舒能（苏州）工业技术有限公司 A kind of lapping device and preparation method thereof
CN102913536A (en) * 2011-08-01 2013-02-06 舒能（苏州）工业技术有限公司 Flexible shaft apparatus for medical treatment and application thereof
USD739935S1 (en) 2011-10-26 2015-09-29 Spinal Elements, Inc. Interbody bone implant
EP2895085B1 (en) * 2012-09-11 2019-02-06 Carevature Medical Ltd. Flexible drive shaft for a tissue removal device
US9044575B2 (en) * 2012-10-22 2015-06-02 Medtronic Adrian Luxembourg S.a.r.l. Catheters with enhanced flexibility and associated devices, systems, and methods
US9820784B2 (en) 2013-03-14 2017-11-21 Spinal Elements, Inc. Apparatus for spinal fixation and methods of use
US20140277005A1 (en) * 2013-03-14 2014-09-18 Covidien Lp Medical device including flexible elongate torque-transmitting member
US9421044B2 (en) 2013-03-14 2016-08-23 Spinal Elements, Inc. Apparatus for bone stabilization and distraction and methods of use
USD765853S1 (en) 2013-03-14 2016-09-06 Spinal Elements, Inc. Flexible elongate member with a portion configured to receive a bone anchor
US9456855B2 (en) 2013-09-27 2016-10-04 Spinal Elements, Inc. Method of placing an implant between bone portions
US9839450B2 (en) 2013-09-27 2017-12-12 Spinal Elements, Inc. Device and method for reinforcement of a facet
EP2868289A1 (en) 2013-11-01 2015-05-06 ECP Entwicklungsgesellschaft mbH Flexible catheter with a drive shaft
CN104033558A (en) * 2014-06-25 2014-09-10 忻云祥 Flexible screw
US11478275B2 (en) 2014-09-17 2022-10-25 Spinal Elements, Inc. Flexible fastening band connector
WO2016122868A1 (en) 2015-01-27 2016-08-04 Spinal Elements, Inc. Facet joint implant
EP3268139A4 (en) * 2015-03-10 2018-11-07 Bierkühl OY Flexible torsion shaft, arrangement and device for cleaning air-conditioning ducts
CN109312534A (en) * 2016-10-13 2019-02-05 朝日英达科株式会社 Layered body, multilayer hollow body and the conduit for having multilayer hollow body
KR101745284B1 (en) * 2016-11-03 2017-06-12 유환 wind power generator
CN108252704B (en) * 2017-12-29 2022-01-21 中国船舶重工集团公司第七一八研究所 Pump-out type small-diameter gamma energy spectrum logging instrument probe wire passing structure
US10695847B2 (en) * 2018-04-09 2020-06-30 Robert Bosch Tool Corporation Saw height adjustment mechanism having a flexible shaft
EP3972503A4 (en) 2019-05-22 2023-02-01 Spinal Elements Inc. Bone tie and bone tie inserter
US11457959B2 (en) 2019-05-22 2022-10-04 Spinal Elements, Inc. Bone tie and bone tie inserter
CN110293241B (en) * 2019-07-05 2024-03-29 西安工业大学 Elbow system for processing within 180 degrees
US20210138252A1 (en) * 2019-11-08 2021-05-13 Pacesetter, Inc. Biostimulator transport system having swaged torque shaft
US11304733B2 (en) 2020-02-14 2022-04-19 Spinal Elements, Inc. Bone tie methods

Family Cites Families (140)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25543E (en) 1964-03-31 Ruegg
US267343A (en) 1882-11-14 Andrew harbison
US179747A (en) 1876-07-11 Improvement in vehicle-axles
US550783A (en) 1895-12-03 Drill for boring curved holes
US492266A (en) 1893-02-21 Sylvania
US492866A (en) * 1893-03-07 Automatic electric sprinkler and alarm
US216858A (en) 1879-06-24 Improvement in flexible shafting
US177490A (en) 1876-05-16 Civilioh fqnbs and william j
US798009A (en) 1899-11-03 1905-08-22 Sterling Lubricator Company Lubricator.
US906113A (en) 1908-04-23 1908-12-08 Edwin Forrest Curtis Flexible shaft.
US1042760A (en) 1910-08-20 1912-10-29 Stephen D Bradley Flexible shafting.
US1228439A (en) 1914-01-30 1917-06-05 Clarence F Hotchkiss Flexible shaft.
US1223938A (en) 1915-09-13 1917-04-24 George W Dunham Device for boring axially-curved holes.
US1232922A (en) 1917-01-02 1917-07-10 John O Hobbs Flexible drive-shaft.
US1429146A (en) 1919-01-28 1922-09-12 Charles J Deckop Universal power-transmitting element
US1812510A (en) 1921-05-16 1931-06-30 Ac Spark Plug Co Speedometer drive mechanism
US1590666A (en) 1923-07-13 1926-06-29 White S Dental Mfg Co Flexible shaft and cable support
FR595752A (en) 1924-03-24 1925-10-09
US1630239A (en) 1924-05-09 1927-05-24 Roy S Binkley Antrum burr
US1649310A (en) * 1924-09-23 1927-11-15 White S Dental Mfg Co Flexible shaft
US1683023A (en) 1926-07-02 1928-09-04 Ac Spark Plug Co Flexible tube support
US1678335A (en) 1927-02-28 1928-07-24 Mall Tool Company Flexible shaft
US1808193A (en) 1927-11-21 1931-06-02 Ac Spark Plug Co Preparation of flexible cables
US1908197A (en) 1928-03-06 1933-05-09 Singer Mfg Co Device for sorting needles and the like
US1990514A (en) 1928-12-10 1935-02-12 White S Dental Mfg Co Flexible shafting and method of producing same
US1905197A (en) * 1929-02-06 1933-04-25 Ac Spark Plug Co Flexible cable
US1897542A (en) 1929-04-27 1933-02-14 Maxwell A West Transmission shaft for vehicles
US1924701A (en) * 1930-01-09 1933-08-29 Hartwell W Webb Process for producing flexible shafts
US1952301A (en) * 1930-01-09 1934-03-27 Hartwell W Webb Flexible shaft
US1811697A (en) 1930-02-19 1931-06-23 Williamsport Wire Rope Company Wire rope
US2048471A (en) 1930-03-26 1936-07-21 Bendix Brake Co Conduit
FR728739A (en) 1931-12-22 1932-07-11 Device ensuring the reversibility of the direction of rotation of flexible shafts
US2000997A (en) 1932-04-13 1935-05-14 Peter F Sharpe Universal shaft connection
US1995420A (en) 1933-08-25 1935-03-26 Fischer Charles Flexible shafting
US2036528A (en) 1934-09-26 1936-04-07 Elmer G Kesling Flexible shaft
DE654418C (en) 1935-02-22 1937-12-22 Josef Heyes Dr Shaft lead-in for devices working under negative pressure or moderate overpressure with a connecting piece of the device containing sealing fluid through which the shaft is passed
GB453105A (en) 1935-07-29 1936-09-04 Guillaume Ducart Improvements in or relating to flexible cable transmission drives
US2255234A (en) 1938-06-07 1941-09-09 White S Dental Mfg Co Flexible shaft
US2235189A (en) 1939-05-17 1941-03-18 United Hoisting Co Inc Sheathed flexible shafting
US2573361A (en) 1947-02-13 1951-10-30 Libbey Owens Ford Glass Co Torsion transmitting glass shaft and method of manufacture
GB751962A (en) 1953-01-24 1956-07-04 Willy Suhner Improvements in or relating to flexible shafts having a central core
US2704005A (en) 1953-08-07 1955-03-15 Kenneth D Clayson Torque-transmitting tool having rotat-able housing and bendable but stationary core
US2747384A (en) 1954-05-06 1956-05-29 Arthur P Beam Flexible extension attachment for electric drills
US2875597A (en) * 1954-11-18 1959-03-03 Teleflex Inc Flexible cable
US2955592A (en) 1955-12-29 1960-10-11 Kenneth S Maclean Diagnostic instrument
US2958349A (en) 1957-08-26 1960-11-01 Ralph L Mcnutt Curved extension drill
US2949753A (en) 1959-07-14 1960-08-23 Rene A Menoni Flexible tool
DE1166737B (en) 1959-07-25 1964-04-02 Schmid & Wezel Process for the continuous production of flexible wire hollow, z. B. speedometer shafts
US3043120A (en) 1959-11-23 1962-07-10 Ford Motor Co Speedometer cable
US3085406A (en) 1962-02-20 1963-04-16 Stewart Warner Corp Flexible shaft assembly
US3192795A (en) 1962-05-02 1965-07-06 Telefiex Inc Flexible conduit
US3242691A (en) 1963-11-29 1966-03-29 Stewart Warner Corp Flexible shaft casing
GB1028327A (en) 1964-01-25 1966-05-04 Flexible Shaft & Cover Mfg Com Flexible shafts
US3435905A (en) 1966-03-29 1969-04-01 Lazarus & Peyser Associates Tool and method of manufacturing the same
US3443451A (en) 1966-08-18 1969-05-13 Teleflex Inc Motion transmitting core element and method for making same
FR1583167A (en) 1967-05-05 1969-10-24 Inst Francais Du Petrole
US3552384A (en) 1967-07-03 1971-01-05 American Hospital Supply Corp Controllable tip guide body and catheter
GB1235321A (en) 1968-01-30 1971-06-09 Nat Res Dev Improvements in or relating to drills for clearing obstructions
US3481156A (en) * 1968-03-29 1969-12-02 Pennsalt Chemicals Corp Power transmission assembly
US3581523A (en) 1969-02-24 1971-06-01 Merit Plastics Inc Flexible cable assembly
US3611549A (en) 1969-07-01 1971-10-12 Diversified Mfg & Marketing Co Method for forming holes in and installing lines in structural members
US3705489A (en) 1970-12-24 1972-12-12 Bethlehem Steel Corp Wire rope with permanently lubricated core
US3726133A (en) 1971-07-13 1973-04-10 Gen Motors Corp Flexible torque transmitting unit
US3906636A (en) 1973-08-16 1975-09-23 William A Rainey Endodontic device
US3852884A (en) 1973-10-18 1974-12-10 H Lazarus Winding and tightening tool and method for manufacturing same
US3979896A (en) 1975-02-24 1976-09-14 The United States Of America As Represented By The Secretary Of The Navy Impregnated and encapsulated wire rope and cable
US4149391A (en) 1975-11-25 1979-04-17 W B Driver Flexible drill pipe
US4112708A (en) 1976-06-21 1978-09-12 Nippon Cable Systems Inc. Flexible drive cable
GB2015699B (en) 1978-03-03 1982-09-02 Pennwalt Corp Flexible shaft of thermoplastic monofilament material
US4185473A (en) 1978-06-21 1980-01-29 Pennwalt Corporation Balanced torsional deflection of flexible shafts in either direction of rotation
US4265231A (en) 1979-04-30 1981-05-05 Scheller Jr Arnold D Curved drill attachment for bone drilling uses
US4445509A (en) 1982-02-04 1984-05-01 Auth David C Method and apparatus for removal of enclosed abnormal deposits
US4421495A (en) 1982-03-22 1983-12-20 Pennwalt Corporation Balanced composite flexible shaft assembly capable of operating in a tight radius
US4424045A (en) 1982-05-24 1984-01-03 Pennwalt Corporation Rigid high speed flexible shaft casing assembly for tight radii installations
US4541423A (en) 1983-01-17 1985-09-17 Barber Forest C Drilling a curved hole
US4589412A (en) 1984-01-03 1986-05-20 Intravascular Surgical Instruments, Inc. Method and apparatus for surgically removing remote deposits
US4631052A (en) 1984-01-03 1986-12-23 Intravascular Surgical Instruments, Inc. Method and apparatus for surgically removing remote deposits
US5135531A (en) 1984-05-14 1992-08-04 Surgical Systems & Instruments, Inc. Guided atherectomy system
US4979951A (en) 1984-05-30 1990-12-25 Simpson John B Atherectomy device and method
US4781186A (en) 1984-05-30 1988-11-01 Devices For Vascular Intervention, Inc. Atherectomy device having a flexible housing
US4790813A (en) 1984-12-17 1988-12-13 Intravascular Surgical Instruments, Inc. Method and apparatus for surgically removing remote deposits
US4686982A (en) 1985-06-19 1987-08-18 John Nash Spiral wire bearing for rotating wire drive catheter
SE446605B (en) 1985-02-13 1986-09-29 Ibm Svenska Ab Vacuum impregnation of sintered materials with dry lubricant
US4681106A (en) 1985-08-12 1987-07-21 Intravascular Surgical Instruments, Inc. Catheter based surgical methods and apparatus therefor
US4664112A (en) 1985-08-12 1987-05-12 Intravascular Surgical Instruments, Inc. Catheter based surgical methods and apparatus therefor
US4646738A (en) 1985-12-05 1987-03-03 Concept, Inc. Rotary surgical tool
CA1293663C (en) 1986-01-06 1991-12-31 David Christopher Auth Transluminal microdissection device
US4771774A (en) 1986-02-28 1988-09-20 Devices For Vascular Intervention, Inc. Motor drive unit
USRE33569E (en) 1986-02-28 1991-04-09 Devices For Vascular Intervention, Inc. Single lumen atherectomy catheter device
US4794931A (en) 1986-02-28 1989-01-03 Cardiovascular Imaging Systems, Inc. Catheter apparatus, system and method for intravascular two-dimensional ultrasonography
US5000185A (en) 1986-02-28 1991-03-19 Cardiovascular Imaging Systems, Inc. Method for intravascular two-dimensional ultrasonography and recanalization
US4728319A (en) 1986-03-20 1988-03-01 Helmut Masch Intravascular catheter
US4690140A (en) 1986-04-01 1987-09-01 John Mecca Arterial regenerator
US4747821A (en) 1986-10-22 1988-05-31 Intravascular Surgical Instruments, Inc. Catheter with high speed moving working head
US5002546A (en) 1987-04-13 1991-03-26 Romano Jack W Curved bore drilling apparatus
US4941466A (en) 1987-04-13 1990-07-17 Romano Jack W Curved bore drilling method and apparatus
US4795438A (en) 1987-05-13 1989-01-03 Intravascular Surgical Instruments, Inc. Method and apparatus for forming a restriction in a vessel, duct or lumen
US4811735A (en) 1987-07-30 1989-03-14 Kensey Nash Corporation Stone destroying catheter and method of use
US5165421A (en) 1987-09-30 1992-11-24 Lake Region Manufacturing Co., Inc. Hollow lumen cable apparatus
US5041089A (en) 1987-12-11 1991-08-20 Devices For Vascular Intervention, Inc. Vascular dilation catheter construction
US4917085A (en) 1987-12-14 1990-04-17 Cordis Corporation Drive cutting catheter having new and improved drive motor
US5071425A (en) 1988-09-12 1991-12-10 Devices For Vascular Intervention, Inc. Atherectomy catheter and method of forming the same
US5087265A (en) 1989-02-17 1992-02-11 American Biomed, Inc. Distal atherectomy catheter
US5052404A (en) 1989-03-02 1991-10-01 The Microspring Company, Inc. Torque transmitter
US5042984A (en) 1989-08-17 1991-08-27 Kensey Nash Corporation Catheter with working head having selectable impacting surfaces and method of using the same
US5156610A (en) 1989-08-18 1992-10-20 Evi Corporation Catheter atherotome
US5017057A (en) 1989-09-05 1991-05-21 Ronald J. Harms Apparatus for drilling a circularly curved bore
DE8910603U1 (en) 1989-09-06 1989-12-07 Guenther, Rolf W., Prof. Dr.
US5226909A (en) 1989-09-12 1993-07-13 Devices For Vascular Intervention, Inc. Atherectomy device having helical blade and blade guide
US5049124A (en) 1989-10-14 1991-09-17 Dow Corning Wright Corporation Catheter drive apparatus having fluid delivery bearing
US5085662A (en) 1989-11-13 1992-02-04 Scimed Life Systems, Inc. Atherectomy catheter and related components
US5288270A (en) 1989-12-06 1994-02-22 Taisei Kohzai Kabushiki Kaisha Flexible shaft having element wire groups and lubricant therebetween
US5072759A (en) 1990-01-22 1991-12-17 Teleflex Incorporated Reverse stranded conduit
US5158564A (en) 1990-02-14 1992-10-27 Angiomed Ag Atherectomy apparatus
US5084010A (en) 1990-02-20 1992-01-28 Devices For Vascular Intervention, Inc. System and method for catheter construction
US5092873A (en) 1990-02-28 1992-03-03 Devices For Vascular Intervention, Inc. Balloon configuration for atherectomy catheter
US5108411A (en) 1990-03-28 1992-04-28 Cardiovascular Imaging Systems, Inc. Flexible catheter drive cable
US5100424A (en) 1990-05-21 1992-03-31 Cardiovascular Imaging Systems, Inc. Intravascular catheter having combined imaging abrasion head
US5269785A (en) 1990-06-28 1993-12-14 Bonutti Peter M Apparatus and method for tissue removal
US5101682A (en) 1990-07-06 1992-04-07 Interventional Technologies, Inc. Reinforced tubing
US5078722A (en) 1990-08-14 1992-01-07 Cordis Corporation Method and apparatus for removing deposits from a vessel
US5211636A (en) 1990-10-31 1993-05-18 Lake Region Manufacturing Co., Inc. Steerable infusion guide wire
US5239890A (en) 1991-03-01 1993-08-31 Teleflex Incorporated Shrunk teflon helix cover
US5250059A (en) 1992-01-22 1993-10-05 Devices For Vascular Intervention, Inc. Atherectomy catheter having flexible nose cone
US5286253A (en) 1992-10-09 1994-02-15 Linvatec Corporation Angled rotating surgical instrument
US5360432A (en) 1992-10-16 1994-11-01 Shturman Cardiology Systems, Inc. Abrasive drive shaft device for directional rotational atherectomy
US5383884A (en) 1992-12-04 1995-01-24 American Biomed, Inc. Spinal disc surgical instrument
US5527326A (en) 1992-12-29 1996-06-18 Thomas J. Fogarty Vessel deposit shearing apparatus
JPH06300032A (en) * 1993-04-15 1994-10-25 Nippon Cable Syst Inc Operating device
US5509918A (en) 1993-05-11 1996-04-23 David Romano Method and apparatus for drilling a curved bore in an object
US5514115A (en) 1993-07-07 1996-05-07 Device For Vascular Intervention, Inc. Flexible housing for intracorporeal use
US5437630A (en) 1993-10-27 1995-08-01 Stryker Corporation Arthroscopic cutter having curved rotatable drive
AU1399995A (en) 1993-12-09 1995-06-27 Devices For Vascular Intervention, Inc. Composite drive shaft
US5395188A (en) 1993-12-23 1995-03-07 Roy E. Bowling Guide for angled and curved drilling
CH689170A5 (en) 1994-07-11 1998-11-13 Weissenfluh Hawe Neos Flexible post or not deformable radially and longitudinally avvolgimatrici device for dental use.
US5584843A (en) 1994-12-20 1996-12-17 Boston Scientific Corporation Shaped wire multi-burr rotational ablation device
JPH0988935A (en) * 1995-09-26 1997-03-31 Nippon Cable Syst Inc Torque transmitting cable
US5820464A (en) 1997-01-03 1998-10-13 S.S. White Technologies Inc. Flexible shaft assembly
US6220372B1 (en) * 1997-12-04 2001-04-24 Wenzel Downhole Tools, Ltd. Apparatus for drilling lateral drainholes from a wellbore
WO1999034121A1 (en) * 1997-12-31 1999-07-08 Romano Jack W Method and apparatus for transferring drilling energy to a cutting member

Also Published As

Publication number Publication date
WO1999034121A1 (en) 1999-07-08
JP2002500322A (en) 2002-01-08
CA2315749A1 (en) 1999-07-08
US6375573B2 (en) 2002-04-23
AU2023099A (en) 1999-07-19
KR20010033792A (en) 2001-04-25
EP1042618A1 (en) 2000-10-11
CN1285900A (en) 2001-02-28
US6526645B2 (en) 2003-03-04
US6267679B1 (en) 2001-07-31
US20010041620A1 (en) 2001-11-15
US20020090999A1 (en) 2002-07-11
BR9814553A (en) 2000-10-10

Similar Documents

Publication Publication Date Title
WO1999034121B1 (en) Method and apparatus for transferring drilling energy to a cutting member
AU2007219370B2 (en) Flat-belt-like supporting and drive means with tensile carriers
EP0952382B1 (en) Flexible conduit
US8100031B2 (en) Multi-linked device having a reinforcing member
US2832374A (en) Flexible tube assemblies
US4792173A (en) Fluid actuated limb
JPS5921756B2 (en) flexible arm
CN101360861A (en) Annular metal cord, endless metal belt, and annular metal cord manufacturing method
JP2010127429A (en) Fluid actuator
NO169355B (en) BOEY-RESISTANT ARAMID CABLE
EP3891766A1 (en) Method for the application of a tubular hull to an electric cable
US20070144302A1 (en) Core and rod cable connection apparatus and method
US2438053A (en) Motion transmitting device
RU2111113C1 (en) Manipulator
KR101030571B1 (en) inner cable for push-pull control cable and method for fabricating the same
EP0190871A2 (en) Method and equipment for making stranded ropes
JP2008240223A (en) Annular metal cord, endless metal belt, and production method of annular metal cord
EP1213498A2 (en) Flexible control device with articulated elements
CN101487520A (en) Double-direction torque transmission device
JP2003287018A (en) Push/pull control cable
GB2189568A (en) Pressure hoses
JP2008208985A (en) Transmission belt and its manufacturing method
CN101360862A (en) Annular metal cord, endless metal belt, and method of producing annular metal cord
TH41086A3 (en) Synthetic rope
GB2170521A (en) Method and equipment for making stranded ropes

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 98812818.7

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE HU IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

AK Designated states

Kind code of ref document: B1

Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE HU IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN

AL Designated countries for regional patents

Kind code of ref document: B1

Designated state(s): GH GM KE LS MW SD SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
ENP Entry into the national phase

Ref document number: 2315749

Country of ref document: CA

Ref document number: 2315749

Country of ref document: CA

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2000 526748

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1020007007336

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 1998965032

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 20230/99

Country of ref document: AU

WWP Wipo information: published in national office

Ref document number: 1998965032

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWP Wipo information: published in national office

Ref document number: 1020007007336

Country of ref document: KR

WWR Wipo information: refused in national office

Ref document number: 1020007007336

Country of ref document: KR

WWW Wipo information: withdrawn in national office

Ref document number: 1998965032

Country of ref document: EP