US2227727A - Lithotrite - Google Patents

Lithotrite Download PDF

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US2227727A
US2227727A US201243A US20124338A US2227727A US 2227727 A US2227727 A US 2227727A US 201243 A US201243 A US 201243A US 20124338 A US20124338 A US 20124338A US 2227727 A US2227727 A US 2227727A
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sheath
bladder
stone
rod
stones
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US201243A
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Leggiadro Vincent
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320016Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B17/32002Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22004Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B17/22012Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00982Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00General characteristics of surgical instruments
    • A61B2217/002Auxiliary appliance
    • A61B2217/005Auxiliary appliance with suction drainage system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00General characteristics of surgical instruments
    • A61B2217/002Auxiliary appliance
    • A61B2217/007Auxiliary appliance with irrigation system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361Image-producing devices, e.g. surgical cameras
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/77Suction-irrigation systems
    • A61M1/772Suction-irrigation systems operating alternately

Definitions

  • the present invention relates to a novel method and apparatus for subdividing or pulverizing stones in various cavities such as the bladder or kidney.
  • Among the objects of the invention is to provide a method and apparatus which does not require a great opening through the urethra or other aperture, which requires only a short time of operation, and which is adapted to pulverize a stone of any consistency or size.
  • Another object of the invention is to minimize, if not entirely eliminate, danger of injury in the bladder, either by the action of the instrument in the bladder, or by the danger of breakage of the instrument while in use.
  • it is desired to eliminate the use of large forces and stresses on the instrument, such as is necessary when using crushing jaws or similar instruments.
  • Fig. 1 is an elevational view shown partly in section of an instrument embodying the present invention:
  • Fig. 2 is a fragmentary elevational view shown partly in cross-section of a modified embodiment of the present invention wherein a panendoscope or cystoscope or the like may be utilized in combination with the apparatus;
  • FIGs. 3, 4, 5 and 6 are fragmentary detailed views showing various types of cutting points.
  • Fig. '7 is a fragmentary cross-section view of a modified embodiment of the present invention.
  • reference character I designates a motor housing also adapted to act as the handle of the instrument.
  • the housing is preferably constructed in two parts, a lower part 8 and an upper part 9, fitting telescopically together and secured by suitable means.
  • At the upper end 9 of the housing is mounted at an oblique angle a sheath l
  • a telescope may be provided in the sheath consisting of an eye-piece l3, and lenses M, or other suitable optical train to magnify the objects acted upon.
  • a light I 5 is mounted at the end of the sheath adapted to light the interior of the bladder.
  • a stopcock I8 and nipple I9 may be provided at the proximal end of the tube I! to permit inflow or outflow of fluid through the tube, and thus act as a catheter if desired.
  • preferably composed of spring steel about 2 to 5 millimeters in diameter, and about 8 to 10 inches in length according to the length of the sheath ll.
  • Other alloys, preferably non-corroding, may be used if desired, as well as difierent sizes and lengths.
  • the proximal end of the rod is connected to a sliding arm 2
  • is provided with a slot 23, adapted to receive a pin or cam 24, to actuate the sliding arm 2
  • the pin 24 is mounted eccentrically upon a disc 25, at the end of a cam shaft 26 which communicates with and is actuated by an electric motor 21.
  • An electric cable 28 and suitable switching means 29 may be provided to supply electrical energy to the motor 21.
  • the removal of the upper part 9 is useful in adjusting the degree of eccentricity of the pin or cam 24, or to replace the same with a cam having a different degree of eccentricity in order to adjust the length of stroke of the reciprocating rod 20. It has been found that the stroke should preferably be adjusted to the size of the stone to be crushed or pulverized.
  • the free end of the reciprocating rod 20 may be provided with a cutting point or blade 3
  • the sheath l is inserted through the urethra 32, or other opening, so that the end thereof projects into the bladder 33, or other cavity or organ.
  • the stone 35 is then readily located by sighting through the eye-piece l3 and the sheath I
  • the instrument should be brought into position so that the reciprocating rod 20 and the blade or cutting point 3
  • the switch 29 is then thrown into operative position, actuating the motor 21 and causing the cam shaft 26 to revolve and move the cam or pin 24 eccentrically,
  • is caused to reciprocate at a high speed, and similarly actuate the rod 20 and the blade or cutting point 31.
  • strikes into the stone as it rests on the bottom of the bladder 33.
  • the stone may be slightly displaced, but owing to the elasticity of the bladder is caused to recoil. Repeated thrusts or jabs into the stone cause it to be rapidly split or pulverized without injury to the bladder or other organs.
  • may be of various designs, as illustrated in Figs. 3 to 6.
  • Fig. 3 shows a blunt point 35 acting as a hammer for various types of stones, such. as one of softer consistency.
  • Fig. 4 shows a sharp point or chisel 31 adapted, for example, for harder stones.
  • Fig. 5 shows a point 38, having a cutting blade 39, adapted for cutting stones or tissue in the urethra or bladder, etc.
  • Fig. 6 illustrates a reciprocating rod having a blunt end and a cutting knife with a very narrow blade 4i along one side thereof.
  • This may be used for removal of tissue or deformities from the urethra, bladder, neck of the bladder prostate and bladder tissue by way of the urethra (medical term trans-urethral), or through the open bladder by way of the abdomen or perineum, thus being suitable for use in the entire field of operation on bladder and surrounding organs.
  • Fig. 2 I have illustrated an apparatus which may be combined with a conventional panendoscope or cystoscope or the like for practicing the present invention.
  • Reference character broadly designates a panendoscope shown in the drawing more or less diagrammatically, including a sheath 5!, a telescope 52, having an eye-piece 53 and lens 54, a light 56, and a channel 55 being open both at the free end 85 and the proximal end 5?.
  • a reciprocating rod 58 having a blade, cutting point or hammer 59 at the free end thereof, and being actuated by a suitable electrically driven actuator 60 at the proximal end thereof.
  • the actuator 60 may be similar in design to that shown in Fig.
  • this device is similar to that described in Fig. 1, the difference being that the reciprocating rod mechanism may be embodied in a separate instrument which is inserted throu h the sheath or channel of the panendoscope.
  • My instrument may thus be suitable for use in connection with a panendoscope, cystoscope or other instrument conventional in the art.
  • Fig. '7 I have illustrated a sheath Hi having a lens ii of a suitable telescope, and a light 12 at the end thereof adapted to facilitate observation through the sheath.
  • an oscillating knife '13 having a blade M at the exposed end thereof, which is pivoted by a suitable pin 15 mounted in said sheath.
  • the knife 13 is actuated by means of reciprocating rod 16 secured at the end thereof to said knife 13.
  • the operation of this knife 13 may be similar to that illustrated and described in my Patent No. 2,070,281. This blade is adapted to cut tissue or deformities in the urethra, bladder or surrounding organs.
  • Apparatus for jabbing and subdividing naturally formed stones in a cavity such as a bladder, kidney or the like, comprising a narrow sheath adapted to have one end inserted into said cavity, means for making observations through said sheath to the interior of said cavity, lighting means in proximity to said end of said sheath, a rod disposed longitudinally in said sheath and exposed at said end thereof, and an electric motor mounted at the other end of said sheath for reciprocating said rod at high speed and causing it to jab into said stones.
  • Apparatus for subdividing naturally formed stones within -a cavity such as a bladder, kidney or the like, which comprises a hollow sheath adapted to have one end inserted into said cavity, lighting means in proximity to said end of said sheath, a rod disposed longitudinally within said sheath and exposed at said end thereof, a cutting point at the exposed end of said rod, means for making observations through said sheath into said cavity, and electrically driven actuating means associated with the other end of said rod and adapted to reciprocate said rod and cause said cutting point to jab into and subdivide said stone.
  • Apparatus for subdividing naturally formed stones within a cavity such as a bladder, kidney or the like, which comprises a hollow sheath adapted to have one end inserted into said cavity, a rod disposed longitudinally within said sheath and exposed at said end thereof, lighting means in proximity to said end of said sheath, a cutting point at the exposed end of said rod, an electric motor mounted at the other end of said sheath, means for making observations through said sheath into said cavity, and a crank actuated by said motor and cooperating with said rod to reciprocate the latter and cause said cutting point to jab into and subdivide said stone.
  • Apparatus for subdividing naturally formed stones within a cavity such as a bladder, kidney or the like, which comprises a hollow sheath adapted to have one end inserted into said cavity, lighting means in proximity to said end of said sheath, a rod disposed longitudinally within said sheath and exposed at said end thereof, a cutting point at the exposed end of said rod, an
  • said electric motor mounted at the other end of said said reciprocating rod is provided with a blunt end at the said exposed operating end thereof, and a narrow knife blade along the side of said reciprocating rod in proximity to said blunt end adapted to out tissue or the like.
  • the method of removing naturally formed stones from the bladder which comprises distending the urethra, locating said stone, seating said stone against the walls of said bladder, repeated- 1y jabbing said stone at high speed with short reciprocatory movements in a direction longitudinally of said urethra and communicated through said distended urethra, and thereby subdividing said stone into particles capable of passing through said urethra and being discharged.

Description

Jan. 7, 1941. v. LEGG'IADRO LITHOTRITE Filed April 11, 1938 INVENTEJR VINBENTLEGEIAURU III/ ATTUHNEY Patented Jan. 7, 1941 UNITED STATES PATENT OFFICE 7 Claims.
The present invention relates to a novel method and apparatus for subdividing or pulverizing stones in various cavities such as the bladder or kidney.
In the art of crushing stones in the bladder, it has been common to use an instrument such as a lithotriptoscope or similar instruments where the stone was crushed between co-acting jaws or male and female blades of a lithotrite. Instruments of this character were generally excessively large and caused pain in their introduction into the bladder; they could only act upon small stones and not upon a large or hard stone; and even small stones could not be crushed directly into small enough pieces to be expelled immediately; and danger was involved in the matter of breakage of the instrument while in the bladder. It is the aim of the invention to avoid the above difliculties.
Among the objects of the invention is to provide a method and apparatus which does not require a great opening through the urethra or other aperture, which requires only a short time of operation, and which is adapted to pulverize a stone of any consistency or size.
Another object of the invention is to minimize, if not entirely eliminate, danger of injury in the bladder, either by the action of the instrument in the bladder, or by the danger of breakage of the instrument while in use. In this connection it is desired to eliminate the use of large forces and stresses on the instrument, such as is necessary when using crushing jaws or similar instruments.
Other objects and advantages of the present invention will become apparent from the following description taken in conjunction with the drawing, in which:
Fig. 1 is an elevational view shown partly in section of an instrument embodying the present invention:
Fig. 2 is a fragmentary elevational view shown partly in cross-section of a modified embodiment of the present invention wherein a panendoscope or cystoscope or the like may be utilized in combination with the apparatus;
Figs. 3, 4, 5 and 6 are fragmentary detailed views showing various types of cutting points; and
Fig. '7 is a fragmentary cross-section view of a modified embodiment of the present invention.
Referring more particularly to the drawing, reference character I designates a motor housing also adapted to act as the handle of the instrument. The housing is preferably constructed in two parts, a lower part 8 and an upper part 9, fitting telescopically together and secured by suitable means. At the upper end 9 of the housing is mounted at an oblique angle a sheath l|, through which visual observations may be made. If desired, a telescope may be provided in the sheath consisting of an eye-piece l3, and lenses M, or other suitable optical train to magnify the objects acted upon. A light I 5 is mounted at the end of the sheath adapted to light the interior of the bladder.
Mounted in combination with the sheath II is a tube or sleeve opening at one end into the bladder. A stopcock I8 and nipple I9 may be provided at the proximal end of the tube I! to permit inflow or outflow of fluid through the tube, and thus act as a catheter if desired.
Within the tube I1 is a reciprocatingrod 2|], preferably composed of spring steel about 2 to 5 millimeters in diameter, and about 8 to 10 inches in length according to the length of the sheath ll. Other alloys, preferably non-corroding, may be used if desired, as well as difierent sizes and lengths.
The proximal end of the rod is connected to a sliding arm 2|, sliding in bearings 22, formed in the upper end 9 of the housing I0. The sliding arm 2| is provided with a slot 23, adapted to receive a pin or cam 24, to actuate the sliding arm 2|. The pin 24 is mounted eccentrically upon a disc 25, at the end of a cam shaft 26 which communicates with and is actuated by an electric motor 21. An electric cable 28 and suitable switching means 29 may be provided to supply electrical energy to the motor 21.
The removal of the upper part 9 is useful in adjusting the degree of eccentricity of the pin or cam 24, or to replace the same with a cam having a different degree of eccentricity in order to adjust the length of stroke of the reciprocating rod 20. It has been found that the stroke should preferably be adjusted to the size of the stone to be crushed or pulverized.
The free end of the reciprocating rod 20 may be provided with a cutting point or blade 3|, of design dictated by the type of operation and the size and consistency of the stone.
In operation of this device the sheath l is inserted through the urethra 32, or other opening, so that the end thereof projects into the bladder 33, or other cavity or organ. The stone 35 is then readily located by sighting through the eye-piece l3 and the sheath I The instrument should be brought into position so that the reciprocating rod 20 and the blade or cutting point 3| is in front of, and in line with, the stone 35, in position to jab or thrust into it. The switch 29 is then thrown into operative position, actuating the motor 21 and causing the cam shaft 26 to revolve and move the cam or pin 24 eccentrically,
whereupon the sliding arm 2| is caused to reciprocate at a high speed, and similarly actuate the rod 20 and the blade or cutting point 31. The blade or cutting point 3| strikes into the stone as it rests on the bottom of the bladder 33. When struck, the stone may be slightly displaced, but owing to the elasticity of the bladder is caused to recoil. Repeated thrusts or jabs into the stone cause it to be rapidly split or pulverized without injury to the bladder or other organs.
I have discovered that it is unnecessary to hold the stone by separate instruments, and I thus avoid the possible danger of pinching the surrounding tissue, or causing large forces or stresses to be exerted by the instrument itself which may cause breakage, and I also eliminate the long time heretofore necessary in grasping the stone between two jaws.
The blade or cutting point 3| may be of various designs, as illustrated in Figs. 3 to 6. Fig. 3 shows a blunt point 35 acting as a hammer for various types of stones, such. as one of softer consistency. Fig. 4 shows a sharp point or chisel 31 adapted, for example, for harder stones. Fig. 5 shows a point 38, having a cutting blade 39, adapted for cutting stones or tissue in the urethra or bladder, etc. Fig. 6 illustrates a reciprocating rod having a blunt end and a cutting knife with a very narrow blade 4i along one side thereof. This may be used for removal of tissue or deformities from the urethra, bladder, neck of the bladder prostate and bladder tissue by way of the urethra (medical term trans-urethral), or through the open bladder by way of the abdomen or perineum, thus being suitable for use in the entire field of operation on bladder and surrounding organs.
In Fig. 2 I have illustrated an apparatus which may be combined with a conventional panendoscope or cystoscope or the like for practicing the present invention. Reference character broadly designates a panendoscope shown in the drawing more or less diagrammatically, including a sheath 5!, a telescope 52, having an eye-piece 53 and lens 54, a light 56, and a channel 55 being open both at the free end 85 and the proximal end 5?. Into the proximal end of the channel 5'! I insert a reciprocating rod 58 having a blade, cutting point or hammer 59 at the free end thereof, and being actuated by a suitable electrically driven actuator 60 at the proximal end thereof. The actuator 60 may be similar in design to that shown in Fig. 1, including a motor 6| a cam shaft 62, rotating disc 63 at the end of said shaft, and eccentric cam 54 and sliding arm having a slot (55 into which said cam 64 is received. The sliding arm 65 is held in bearings Bland is secured to the proximal end of said reciprocating rod 58.
The operation of this device is similar to that described in Fig. 1, the difference being that the reciprocating rod mechanism may be embodied in a separate instrument which is inserted throu h the sheath or channel of the panendoscope. My instrument may thus be suitable for use in connection with a panendoscope, cystoscope or other instrument conventional in the art.
In Fig. '7 I have illustrated a sheath Hi having a lens ii of a suitable telescope, and a light 12 at the end thereof adapted to facilitate observation through the sheath. At the end of said sheath is mounted an oscillating knife '13 having a blade M at the exposed end thereof, which is pivoted by a suitable pin 15 mounted in said sheath. The knife 13 is actuated by means of reciprocating rod 16 secured at the end thereof to said knife 13. The operation of this knife 13 may be similar to that illustrated and described in my Patent No. 2,070,281. This blade is adapted to cut tissue or deformities in the urethra, bladder or surrounding organs.
Modifications and variations may be resorted to within the spirit and scope of the present invention as defined in the appended claims.
I claim:
1. Apparatus for jabbing and subdividing naturally formed stones in a cavity such as a bladder, kidney or the like, comprising a narrow sheath adapted to have one end inserted into said cavity, means for making observations through said sheath to the interior of said cavity, lighting means in proximity to said end of said sheath, a rod disposed longitudinally in said sheath and exposed at said end thereof, and an electric motor mounted at the other end of said sheath for reciprocating said rod at high speed and causing it to jab into said stones.
2. Apparatus for subdividing naturally formed stones within -a cavity such as a bladder, kidney or the like, which comprises a hollow sheath adapted to have one end inserted into said cavity, lighting means in proximity to said end of said sheath, a rod disposed longitudinally within said sheath and exposed at said end thereof, a cutting point at the exposed end of said rod, means for making observations through said sheath into said cavity, and electrically driven actuating means associated with the other end of said rod and adapted to reciprocate said rod and cause said cutting point to jab into and subdivide said stone.
3. Apparatus for subdividing naturally formed stones Within a cavity such as a bladder, kidney or the like, which comprises a hollow sheath adapted to have one end inserted into said cavity, a rod disposed longitudinally within said sheath and exposed at said end thereof, lighting means in proximity to said end of said sheath, a cutting point at the exposed end of said rod, an electric motor mounted at the other end of said sheath, means for making observations through said sheath into said cavity, and a crank actuated by said motor and cooperating with said rod to reciprocate the latter and cause said cutting point to jab into and subdivide said stone.
4. Apparatus for subdividing naturally formed stones within a cavity such as a bladder, kidney or the like, which comprises a hollow sheath adapted to have one end inserted into said cavity, lighting means in proximity to said end of said sheath, a rod disposed longitudinally within said sheath and exposed at said end thereof, a cutting point at the exposed end of said rod, an
electric motor mounted at the other end of said said reciprocating rod is provided with a blunt end at the said exposed operating end thereof, and a narrow knife blade along the side of said reciprocating rod in proximity to said blunt end adapted to out tissue or the like.
7. The method of removing naturally formed stones from the bladder which comprises distending the urethra, locating said stone, seating said stone against the walls of said bladder, repeated- 1y jabbing said stone at high speed with short reciprocatory movements in a direction longitudinally of said urethra and communicated through said distended urethra, and thereby subdividing said stone into particles capable of passing through said urethra and being discharged.
VINCENT LEGGIADRO.
US201243A 1938-04-11 1938-04-11 Lithotrite Expired - Lifetime US2227727A (en)

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Cited By (50)

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US3009246A (en) * 1960-06-14 1961-11-21 Harry D Reeve Wallpaper edge trimmer
DE1259503B (en) * 1965-10-12 1968-01-25 Rudolf Hennecke Device for crushing kidney stones
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US3504716A (en) * 1966-12-28 1970-04-07 Stanley Works Power tool and guide therefor
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US6270471B1 (en) 1997-12-23 2001-08-07 Misonix Incorporated Ultrasonic probe with isolated outer cannula
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