CN1298297C - Medical magnetic position finder - Google Patents
Medical magnetic position finder Download PDFInfo
- Publication number
- CN1298297C CN1298297C CNB2004101030829A CN200410103082A CN1298297C CN 1298297 C CN1298297 C CN 1298297C CN B2004101030829 A CNB2004101030829 A CN B2004101030829A CN 200410103082 A CN200410103082 A CN 200410103082A CN 1298297 C CN1298297 C CN 1298297C
- Authority
- CN
- China
- Prior art keywords
- magnetic
- bar
- guide post
- handle
- pull rod
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention provides a medical magnetic position detector which relates to a medical magnetic inspecting, positioning and displaying instrument especially suitable for indicating specific positions of intramedullary nail positioning holes on a bone cavity in orthopaedics operations and other surgical operations. The medical magnetic position detector comprises a magnetic position detecting device, a magnetic detection assembly, a position detecting and guiding assembly, a handle and a magnetic guide bar, wherein the position detecting and guiding assembly is arranged on the handle; the lower part of the handle is provided with an operation instrument positioning sleeve, and an operation instrument positioning bar is inserted in the operation instrument positioning sleeve; the magnetic guide bar is inserted in the operation instrument positioning bar; the position detecting and guiding assembly is composed of a near end positioning bar, a detection sleeve bar, a far end telescopic adjusting guide bar; the magnetic guide bar has a guide bar, a magnetic guide head is arranged on the front end of the guide bar, and a grip is arranged on the rear end of the guide bar. The magnetic detection assembly comprises a handle, a detection bar, a magnetic probe, a connecting cable wire, a stainless steel hose and a plug.
Description
Technical field
What medical magnetic position finder of the present invention related to is a kind of medical magnetic detection, location, display instrument, be specially adapted to bone surgery indication intramedullary pin locating hole on bone cavity particular location and other surgical operations in detection, location, display device.
Background technology
Present medical system shows in bone surgery after the intramedullary pin locating hole need be located under X-ray machine could bore locating hole in skeleton, the X ray that X-ray machine sends in operation can damage medical worker and patient, have a strong impact on health, a kind of intramedullary pin is far away, the near-end sight though now have, but its positioning accuracy is poor, in the operation process operation loaded down with trivial details, operating time is long, increase the locating hole wound in the operation, thereby increased patient's misery.
Applicant was once applied for " medical laser direction finder and positioning method thereof ", number of patent application: " 03152995.X ", this direction finder adopts cold light source to show with the art apparatus in the intravital accurate position of people by fibre-optic bundle and optical system, adopt the laser-adjusting operative site, can be fast, undergo surgery exactly, but need on surgical patient skin, to cut bigger otch, strut with dilator, just can make light see through bone bed, form remarkable hot spot, if under the bigger situation of surgical patient otch amount of bleeding, then formed hot spot is fuzzyyer, and the doctor is not easy to offer an explanation the glossing up center, the correctness of influence operation punching, and skin incision influences the healing time of wound than conference, also can cause scar excessive.
Summary of the invention
The objective of the invention is provides a kind of medical magnetic position finder at above-mentioned weak point, adopt the nanometer magnetic core, show that by magnetic core guide post and magnetic display operating theater instruments is in the intravital tram of people, can be accurately, undergo surgery fast, solved for a long time the inaccurate difficult problem of intramedullary pin positioning screw hole in orthopedist's operation process especially, also solved the bigger problem of skin incision in the operation process, accurately, there is not any radioactivity, can reduce operating time, reduce wound, really accomplish little otch, wound (referring to hell) healing time is fast, thereby has alleviated the misery of surgical patient greatly.
Medical magnetic position finder takes following scheme to realize: the medical magnetic position finder structure comprises magnetic locator, magnetic detecting assembly, finding guiding assemblage, handle, magnetic guide post.The finding guiding assemblage device is on handle, and the handle bottom is provided with the operating theater instruments positioning sleeve, operating theater instruments fixed bar dress is inserted in the operating theater instruments positioning sleeve, is used for fixing and connects operating theater instruments such as intramedullary pin.Magnetic guide post dress is inserted in the operating theater instruments fixed bar, extend in the operating theater instruments vestibule.
Finding guiding assemblage is made of proximally-located bar, detection loop bar, far-end telescopic adjustment guide post.The proximally-located bar is provided with handle installing hole, handle dowel hole, proximally-located hole, and proximally-located hole lower device has collet, and far-end telescopic adjustment guide post comprises regulates guiding loop bar, measuring staff.Regulate the guiding loop bar and be provided with chute, the chute lower device has cover plate, and the cover plate inboard is provided with stopper slot.Regulate guiding loop bar one end and be provided with regulating tank, regulate locating hole.Regulate the interior device of locating hole alignment pin is arranged.The other end of regulating the guiding loop bar is provided with the active pull rod dog screw.Measuring staff has active pull rod, active pull rod is provided with scale, the active pull rod front end is provided with the far-end locating hole, collet is equipped with in far-end locating hole bottom, the active pull rod dress is inserted in the chute of regulating the guiding loop bar, the active pull rod back-end device has spacer pin, matches with stopper slot on the cover plate, is used to prevent that active pull rod from skidding off in chute.Device has the detection sleeve pipe in the far-end locating hole of active pull rod, uses the collet clamping and positioning.Regulate the fairlead lever apparatus on the proximally-located bar, the alignment pin dress is inserted in the locating hole, and device has the guiding of adjusting loop bar dog screw in the regulating tank, can regulate guiding loop bar angle easily, to adapt to operating theater instruments far-end locating hole different angles position.
The magnetic guide post has guide post, and the guide post front end is equipped with the magnetic guide head, and the guide post rear end is provided with handgrip.In the magnetic guide head magnetics is housed.
The magnetic detecting assembly comprises handle, feeler lever, magnetic probe, connection cord line, stainless steel flexible hose, plug.The feeler lever fore device probe that is magnetic, magnetic probe is provided with magnetic sensor, and magnetic sensor is connected with the connection cord line, and the connection cord line links to each other with plug, and it is injury-free with protection connection cord line that the connection cord line is set with stainless steel flexible hose outward.
The magnetic locator has cabinet, and socket, gauge tap, display lamp are arranged on the case front panel.Buzzer is housed on the cabinet, and socket matches with magnetic detection assembly plug.Be provided with control circuit board in the cabinet, control circuit board comprises power supply and magnification circuit plate, AD collecting circuit board.Power supply and amplifying circuit have rectification, regulated power supply, the instrument amplifier integrated block.Rectification, regulated power supply are made of commutator, stabilivolt.The instrument amplifier integrated block can adopt AD series integrated chip.The AD Acquisition Circuit is made of high-precision A chip, cpu chip.
Gauge tap is provided with on and off switch, sensing switch, Test Switchboard.Display lamp is provided with power supply indicator, pick off display lamp, relay indicating light.
Electric part operation principle: the position of detecting magnetics in the magnetic guide head by magnetic sensor, magnetic sensor is given the magnetic locator with detection signal by connection cord line sensing after determining the position, signal is amplified, amplifying circuit in the centralized procurement device to signal amplify, filtering, deliver to the AD collection plate, carry out the detection signal data acquisition, carry out date processing by cpu chip, find out the magnetic point of maximum intensity, carry out auditory tone cues by buzzer.
The medical magnetic position finder operation principle:
When medical magnetic position finder uses:
1, with operating theater instruments such as intramedullary pin device in the handle bottom, with operating theater instruments fixed bar front end swivel nut intramedullary pin is fixed;
2, adjust the position of the far-end telescopic adjustment guide post in the finding guiding assemblage and carry out external adjustment: earlier with the finding guiding assemblage device that assembles on handle top, adopt proximally-located bar hold-down screw to fix, loosen the measuring staff dog screw, a positioning rod is inserted device in the detection sleeve pipe of measuring staff front end, active pull rod is pulled out from regulating in the guiding loop bar, regulating the measuring staff lengthwise position makes the locating rod bottom tentatively aim at intra medullary nail far-end interlocking hole, locking measuring staff dog screw, adjust locating rod and lateral attitude, intra medullary nail far-end interlocking hole again, locating rod is inserted in the distal locking hole fully, guiding loop bar dog screw is regulated in locking, and locating rod is extracted from surveying in the sleeve pipe;
3, insert in patient's bone cavity through the external intramedullary pin that regulates the position above-mentioned, open magnetic locator power supply, the magnetic locator is started working, the magnetic guide post is inserted the intramedullary pin intracavity, make magnetic probe aim at distal locking nail hole, the degree of depth of inserting is determined (determining according to the graduation mark on the guide post) by the different size intramedullary pin, magnetic detecting assembly plug is inserted in the magnetic location socket, again feeler lever is inserted in the detection sleeve pipe of active pull rod front end and survey, loosening adjusting guiding loop bar dog screw laterally adjusts, when the magnetic guide head of magnetic probe and magnetic guide post front end on time, accurate positioning is surveyed in expression, buzzer in the magnetic locator promptly sends signal, guiding loop bar dog screw is regulated in locking immediately, can extract feeler, beats first positioning screw hole with drill bit on osteoderm, after having beaten the hole, the inter-locking screw intra medullary nail far-end locking nail hole of packing into.Then can insert adjusting guiding loop bar again and make a call to second positioning screw hole from second far-end locating hole of active pull rod, the proximally-located screw hole can directly punch by the proximally-located hole, need not to open on skin otch.
Medical magnetic position finder is that a kind of medical magnetic is surveyed, the location, display instrument, be specially adapted to bone surgery, be positioned at position concrete on the skeleton with acoustical signal indication intramedullary pin, it has solved the hard nut to crack of the difficult and poor accuracy in orthopedist intramedullary pin locating hole location in operation for a long time, it is good to have accuracy, there is not any radioactivity, and can reduce operating time, reduce wound, really accomplish little otch (referring to hell), wound healing time is fast, thereby the advantages such as misery of surgical patient have been alleviated greatly, easy to use, simple to operate, can be at home all medical institutions that possess orthopaedics (surgery) surgical condition be extensive use of.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is the medical magnetic position finder structural representation.
Fig. 2 is the adjusting guiding loop bar front view of medical magnetic position finder.
Fig. 3 is the adjusting guiding loop bar cutaway view of medical magnetic position finder.
Fig. 4 is the adjusting fairlead bowl cover plate structure sketch map of medical magnetic position finder.
Fig. 5 is the measuring staff sketch map of medical magnetic position finder.
Fig. 6 is the measuring staff cutaway view of medical magnetic position finder.
Fig. 7 is the magnetic guide post sketch map of medical magnetic position finder.
The specific embodiment
With reference to accompanying drawing 1～7, the medical magnetic position finder structure comprises magnetic locator, magnetic detecting assembly, finding guiding assemblage, handle 24, magnetic guide post.The finding guiding assemblage device is on handle 4, and handle 4 bottoms are provided with operating theater instruments positioning sleeve 27, operating theater instruments fixed bar 25 dresses are inserted in the operating theater instruments positioning sleeve, are used for fixing to connect operating theater instruments such as intramedullary pin 28.Magnetic guide post 26 dresses are inserted in the operating theater instruments fixed bar 25, extend in the operating theater instruments vestibule.
Finding guiding assemblage is made of proximally-located bar 20, detection loop bar 3, far-end telescopic adjustment guide post, the proximally-located bar is provided with handle 24 installing holes, handle dowel hole 22, proximally-located hole, device has proximally-located bar dog screw 23 in handle 24 installing holes, proximally-located hole lower device has collet 21, and far-end telescopic adjustment guide post comprises regulates guiding loop bar 15, measuring staff 13.Regulate the guiding loop bar and be provided with chute 17, the chute lower device has cover plate 16, and cover plate 16 inboards are provided with stopper slot 33.Regulate guiding loop bar 15 1 ends and be provided with regulating tank 31, regulate locating hole 32.Regulate the interior device of locating hole alignment pin 18 is arranged.The other end of regulating the guiding loop bar is provided with active pull rod dog screw 19.Measuring staff 13 has active pull rod 34, active pull rod 34 is provided with scale 35, active pull rod 34 front ends are provided with 2 36 of far-end locating holes, collet 4 is equipped with in far-end locating hole 36 bottoms, active pull rod 34 dresses are inserted in the chute 17 of regulating guiding loop bar 15, active pull rod 34 back-end device have spacer pin 37, match with stopper slot 16 on the cover plate, are used to prevent that active pull rod from skidding off in chute.Active pull rod 34 adopts measuring staff dog screw 14 location.Device has the sleeve pipe 3 of detection in the far-end locating hole of active pull rod 34, with collet 4 clamping and positioning.Regulate guiding loop bar 15 devices on proximally-located bar 20, alignment pin 18 dresses are inserted in the locating hole, device has the guiding of adjusting loop bar dog screw 19 in the regulating tank 31, can regulate guiding loop bar angle easily, to adapt to operating theater instruments far-end locating hole different angles position.
Magnetic guide post 26 has guide post 29, guide post 29 front ends dress magnetic guide head 30, and the guide post rear end is provided with handgrip 37.In the magnetic guide head magnetics is housed.There is graduation mark 36 at guide post 29 rear portions, can indicate locating rod to insert the degree of depth in the operating theater instruments hole.
The magnetic detecting assembly comprises handle 5, feeler lever 2, magnetic probe 1, connection cord line 6, stainless steel flexible hose, plug 8.Feeler lever 2 fore devices are magnetic and pop one's head in 1, and magnetic probe 1 is provided with magnetic sensor, and magnetic sensor is connected with connection cord line 6, and the connection cord line links to each other with plug 8, and the connection cord line 6 outer stainless steel flexible hoses that are set with are injury-free with protection connection cord line.Magnetic sensor can adopt the Hall magnetic sensor.
The magnetic locator has cabinet 7, and socket 9, gauge tap 12, display lamp 11 are arranged on the case front panel 10.Buzzer is housed in the cabinet, and socket 9 matches with magnetic detection assembly plug 8.Be provided with control circuit board in the cabinet, control circuit board comprises power supply and magnification circuit plate, AD collecting circuit board.Power supply and amplifying circuit have rectification, regulated power supply, the instrument amplifier integrated block.Rectification, regulated power supply are made of commutator, stabilivolt.The instrument amplifier integrated block can adopt AD series integrated chip, example 620 integrated chips etc.The AD Acquisition Circuit is made of high-precision A chip, cpu chip.The AD chip can become digital signal with analog signal conversion.The AD chip can adopt MX1162, and cpu chip can adopt 2051 chips, and the AD integrated chip links to each other with cpu chip by spi bus, and power supply and amplifying circuit provide power supply to instrument.
Gauge tap is provided with on and off switch, sensing switch, Test Switchboard.Display lamp is provided with power supply indicator, pick off display lamp, relay indicating light.
Claims (4)
1, a kind of medical magnetic position finder, it is characterized in that forming by magnetic locator, magnetic detecting assembly, finding guiding assemblage, handle, magnetic guide post, the finding guiding assemblage device is on handle, the handle bottom is provided with the operating theater instruments positioning sleeve, operating theater instruments fixed bar dress is inserted in the operating theater instruments positioning sleeve, and magnetic guide post dress is inserted in the operating theater instruments fixed bar;
Finding guiding assemblage is made of proximally-located bar, detection loop bar, far-end telescopic adjustment guide post; The proximally-located bar is provided with handle installing hole, handle dowel hole, proximally-located hole, and proximally-located hole lower device has collet; Far-end telescopic adjustment guide post comprises regulates guiding loop bar, measuring staff; Regulate the guiding loop bar and be provided with chute, the chute lower device has cover plate, and the cover plate inboard is provided with stopper slot, regulate guiding loop bar one end and be provided with regulating tank, regulate locating hole, regulating the interior device of locating hole has alignment pin, and the other end of regulating the guiding loop bar is provided with the active pull rod dog screw; Measuring staff has active pull rod, and active pull rod is provided with scale, and the active pull rod front end is provided with the far-end locating hole, collet is equipped with in far-end locating hole bottom, active pull rod dress is inserted in the chute of regulating the guiding loop bar, and the active pull rod back-end device has spacer pin, matches with stopper slot on the cover plate; Device has the detection sleeve pipe in the far-end locating hole of active pull rod, uses the collet clamping and positioning, regulates the fairlead lever apparatus on the proximally-located bar, and the alignment pin dress is inserted in the locating hole, and device has the guiding of adjusting loop bar dog screw in the regulating tank;
The magnetic guide post has guide post, guide post front end dress magnetic guide head, and the guide post rear end is provided with handgrip, in the magnetic guide head magnetics is housed, and there is graduation mark at the guide post rear portion.
2, medical magnetic position finder according to claim 1 is characterized in that the magnetic detecting assembly comprises handle, feeler lever, magnetic probe, connection cord line, stainless steel flexible hose, plug; The feeler lever fore device probe that is magnetic, magnetic probe is provided with magnetic sensor, and magnetic sensor is connected with the connection cord line, and the connection cord line links to each other with plug, and the connection cord line is set with stainless steel flexible hose outward.
3, medical magnetic position finder according to claim 1 is characterized in that the magnetic locator has cabinet, has socket, gauge tap, display lamp on the case front panel; Buzzer is housed in the cabinet, and socket matches with magnetic detection assembly plug; Be provided with control circuit board in the cabinet, control circuit board comprises power supply and magnification circuit plate, AD collecting circuit board.
4, medical magnetic position finder according to claim 3 is characterized in that gauge tap is provided with on and off switch, sensing switch, Test Switchboard; Display lamp is provided with power supply indicator, pick off display lamp, relay indicating light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101030829A CN1298297C (en) | 2004-12-31 | 2004-12-31 | Medical magnetic position finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101030829A CN1298297C (en) | 2004-12-31 | 2004-12-31 | Medical magnetic position finder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1633948A CN1633948A (en) | 2005-07-06 |
| CN1298297C true CN1298297C (en) | 2007-02-07 |
Family
ID=34848159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101030829A Expired - Fee Related CN1298297C (en) | 2004-12-31 | 2004-12-31 | Medical magnetic position finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1298297C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869504A (en) * | 2010-06-18 | 2010-10-27 | 王智运 | Three-dimensional guiding method for use in orthopaedic operation and guider thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2547274B1 (en) * | 2010-03-19 | 2021-06-30 | Smith & Nephew, Inc. | Telescoping im nail and actuating mechanism |
| CN103096839A (en) * | 2010-06-03 | 2013-05-08 | 史密夫和内修有限公司 | Orthopaedic implants |
| WO2012109760A1 (en) | 2011-02-18 | 2012-08-23 | Traumis Surgical Systems Inc. | Tool with integrated navigation and guidance system and related apparatus and methods |
| CN105726135B (en) * | 2016-01-28 | 2018-10-26 | 佛山市乙太医疗用品有限公司 | A kind of elbow joint rotation center guider applied in clinical operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084382A (en) * | 1992-09-22 | 1994-03-30 | 奥叟菲克斯公司 | The centering device in the hole of intramedullary nail |
| US5411503A (en) * | 1993-06-18 | 1995-05-02 | Hollstien; Steven B. | Instrumentation for distal targeting of locking screws in intramedullary nails |
| CN2378012Y (en) * | 1999-04-02 | 2000-05-17 | 戚建勇 | Intra-medullary nailing device for femur and tibia |
| US6503249B1 (en) * | 1998-01-27 | 2003-01-07 | William R. Krause | Targeting device for an implant |
| WO2004034914A2 (en) * | 2002-10-03 | 2004-04-29 | Virginia Tech Intellectual Properties, Inc. | Magnetic targeting device |
-
2004
- 2004-12-31 CN CNB2004101030829A patent/CN1298297C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084382A (en) * | 1992-09-22 | 1994-03-30 | 奥叟菲克斯公司 | The centering device in the hole of intramedullary nail |
| US5411503A (en) * | 1993-06-18 | 1995-05-02 | Hollstien; Steven B. | Instrumentation for distal targeting of locking screws in intramedullary nails |
| US6503249B1 (en) * | 1998-01-27 | 2003-01-07 | William R. Krause | Targeting device for an implant |
| CN2378012Y (en) * | 1999-04-02 | 2000-05-17 | 戚建勇 | Intra-medullary nailing device for femur and tibia |
| WO2004034914A2 (en) * | 2002-10-03 | 2004-04-29 | Virginia Tech Intellectual Properties, Inc. | Magnetic targeting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869504A (en) * | 2010-06-18 | 2010-10-27 | 王智运 | Three-dimensional guiding method for use in orthopaedic operation and guider thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1633948A (en) | 2005-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210038176A1 (en) | System for measuring the true dimensions and orientation of objects in a two dimensional image | |
| US5649546A (en) | Metal detector for the localization of a metallic foreign body penetrated or implanted into a human or animal body | |
| US9962209B2 (en) | Devices and method of achieving bone fusion | |
| US4621628A (en) | Apparatus for locating transverse holes of intramedullary implantates | |
| JP7187198B2 (en) | System for Surgical Tool Insertion Using Multi-Axis Force and Moment Feedback | |
| JP4612196B2 (en) | Device for imaging and planning for ligament graft placement | |
| US6503249B1 (en) | Targeting device for an implant | |
| US6162228A (en) | Device for magnetically targeting locking holes in orthopedic hardware | |
| US6074394A (en) | Targeting device for an implant | |
| US11168966B2 (en) | Surgical depth instrument having neuromonitoring capabilities | |
| US20130209953A1 (en) | System and method for guiding dental treatment tools | |
| US20090272001A1 (en) | Depth Gauge | |
| WO2017083989A1 (en) | Surgical power drill including a measuring unit suitable for bone screw length determination | |
| JP2005523067A (en) | CAS drill guide and drill tracking system | |
| US20230301726A1 (en) | Systems, instruments and methods for surgical navigation with verification feedback | |
| JPH01280449A (en) | Surgical medical apparatus using computer | |
| CN101507657B (en) | Medical magnetic navigation spotter | |
| CN1298297C (en) | Medical magnetic position finder | |
| CA1242874A (en) | Apparatus for locating transverse holes of intramedullary implantates | |
| EP0589592A2 (en) | Centering means for holes of intramedullary nails | |
| CN2754575Y (en) | Magnetic medical position finder | |
| CN201361118Y (en) | Medical magnetic navigating position finder | |
| CN2753302Y (en) | Medical position finder position-detecting guide assembly | |
| CN201175335Y (en) | Magnetic guide detector assembly | |
| CN214073464U (en) | Osteotomy guider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 Termination date: 20121231 |