CN202619723U - Knee-joint posterior cruciate ligament reconstruction positioner - Google Patents
Knee-joint posterior cruciate ligament reconstruction positioner Download PDFInfo
- Publication number
- CN202619723U CN202619723U CN 201220252146 CN201220252146U CN202619723U CN 202619723 U CN202619723 U CN 202619723U CN 201220252146 CN201220252146 CN 201220252146 CN 201220252146 U CN201220252146 U CN 201220252146U CN 202619723 U CN202619723 U CN 202619723U
- Authority
- CN
- China
- Prior art keywords
- arc
- positioning seat
- cruciate ligament
- posterior cruciate
- locating support
- 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
Landscapes
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a knee-joint posterior cruciate ligament reconstruction positioner, which comprises an upper positioning support, a lower positioning support, a limit nut, an upper positioning arm, an upper positioning base, an arc-shaped wire guiding groove, an arc-shaped wide blade and a lower positioning base, wherein the upper positioning support is connected with the lower positioning support by a sliding chute; scales and the limit nut are arranged on the sliding chute; the upper positioning base is connected to the upper end of the upper positioning support; the upper positioning arm is arranged on the upper positioning base and has a hollow structure; the arc-shaped wire guiding groove is formed in the positioning end of the upper positioning arm; the arc-shaped wide blade is arranged at the tail end of the arc-shaped wire guiding groove; the lower positioning base is connected to the lower end of the lower positioning support; a sharp drill is inserted into the lower positioning base; the scales for measuring the length of a tunnel and scales for measuring the actual drilling depth of the drill are arranged on two side walls of the sharp drill respectively; and a depth limiter is arranged at the tail end of the sharp drill. Due to the adoption of the knee-joint posterior cruciate ligament reconstruction positioner, the operation process of knee-joint endoscope minimally-invasive reconstruction posterior cruciate ligament injury is simplified, and the operation difficulty and operation risks are reduced.
Description
Technical field
This utility model relates to the medical operation apparatus, and especially a kind of posterior cruciate ligament of knee joint is rebuild localizer.
Background technology
Along with increasing of development of industry and agriculture and vehicle accident, the high-energy damage obviously increases.In recent years, the diagnosis of posterior cruciate ligament of knee joint damage and treatment are also more and more, and the ligament of often need going after the posterior cruciate ligament damage is rebuild and recovered kneed stability.In the dissection, posterior cruciate ligament arises from the lateral surface of condyle in the femur, terminates in about 1cm place, the tibial plateau back lower place, ligament rear Jin Lin popliteal arteriovenous and nerve, and reconstruction operations damages the rear nervus vasculairs easily and causes operation risk big.The location owed accurate when present apparatus major defect was to make the tibial bone tunnel; It is point-to-point formula that most of posterior cruciate ligament are rebuild the tibia guider, and the tip is too thin, departs from anchor point when piercing the Kirschner wire location easily; Even exceed arthroscope downward view scope, damage the rear nervus vasculairs; In addition, often need set up the outside or back medial approach after the knee joint, remove the posterior cruciate ligament stump, direct-view or arthroscope are kept watch on and are observed drill bit down and pierce and avoid injured blood vessel neural; Accomplishing needs to take out localizer after the tunnel makes; Change guide instrument and can draw tendon draught line or guide wire; Surgical technic is loaded down with trivial details; And after removing the posterior cruciate ligament stump revascularization and the knee joint somesthetic sensibility of transplanting ligament recovered unfavorable, do not meet the theory (reservation stump) that current ligament is rebuild, the abecedarian is grasped particularly difficulty.So need on existing localizer, to improve, increasing its practicality and safety, and simplify operating procedure.
Summary of the invention
The purpose of this utility model is to provide a kind of posterior cruciate ligament of knee joint to rebuild localizer, so that simplify Wicresoft's reconstruction of posterior cruciate trauma surgery operating process under the knee joint mirror, reduces operating difficulty and operation risk.
The technical scheme that this utility model adopts is: a kind of posterior cruciate ligament of knee joint is rebuild localizer; Comprise locating support, following locating support, stop nut, go up registration arm, go up positioning seat, arc seal wire groove, the wide sword of arc and following positioning seat; The said locating support of going up is connected through chute with following locating support, and chute is provided with graduation mark and stop nut, and the said locating support upper end of going up is connected with positioning seat; On the last positioning seat registration arm is installed; Last registration arm is a hollow structure, and the positioning end of last registration arm is provided with arc seal wire groove, and the end of arc seal wire groove is provided with the wide sword of arc; Said locating support lower end down is connected with down positioning seat; Be inserted with tip bit in the following positioning seat, the tip bit two side is respectively equipped with the graduation mark of measuring length of tunnel and the graduation mark of measuring the actual entering of the drill bit degree of depth, and the tip bit end is provided with depth stop.
As preferably, said localizer also comprises a plurality of different-diameter countersinking bits and the guide sleeve that can be installed in the said positioning seat down, and said countersinking bit end is equipped with depth stop, and said guide sleeve is a hollow structure, and end upwarps.
Tip bit outer wall in the said positioning seat down has the twice graduation mark; One graduation mark can pierce the length of before measurement amount osseous tunnel at drill bit; Another road graduation mark is to measure the degree of depth that drill bit gets into osseous tunnel in real time, and there is depth stop at the drill bit rear, can control the degree of depth that drill bit gets into.In addition, last registration arm end is wide sword structure, even pierce slight deviations, still can not exceed the protection domain of wide sword, can limitedly prevent to pierce dark and the drill bit deviation of directivity and Sun Shang popliteal nest rear important blood vessels, nerve, forms multiple protective.
Need to do in addition the outside, back operative incision when using tradition back cross reconstruction tibia localizer to make tibial tunnel; Direct-view is cleaning rear joint capsule and ligament stump down; Expose the tunnel opening of estimating; Direct-view down pierces Kirschner wire and drill bit, drill through osseous tunnel after direct-view introduce steel wire down, through special skills such as clamp, guide guiding completion lead-in wire process; And localizer of the present invention is after setting up the tibial bone tunnel, and registration arm in the reservation is withdrawn from down the drill bit in the positioning seat; Behind respective diameters forsner bit polishing tunnel; Directly insert guide sleeve, can insert steel wire through guide sleeve, steel wire can pass to the joint from hollow last registration arm along its radian after getting into the arc seal wire groove of going up registration arm; Thereby a step is accomplished the foundation and the lead-in wire of tibial tunnel; Quick and easy, avoided the foundation of outer passage after loaded down with trivial details operating procedure and the knee joint, make the abecedarian also be easier to grasp this operation technique.
Beneficial effect:This utility model is rational in infrastructure, and is easy to use.The wide sword of terminal arc of the last registration arm among the present invention can effectively be peeled off knee joint rear joint capsule, avoids meticulous vital tissues such as guider damage knee joint rear nervus vasculairs.Drilling through tibial tunnel is that direction is easy to control through positioning seat guiding down, and is provided with depth stop in the drill bit rear, avoids because traditional localizer pierces comparatively tiny Kirschner wire skew and causes rear nervus vasculairs damage excessively deeply; Said upward registration arm is comparatively wide sword sheet, still is positioned at wide sword protection domain even drill bit slightly departs from; Simultaneously, once-forming when drill bit drills through osseous tunnel is avoided when the Kirschner wire secondary drills through osseous tunnel drill bit skew, Kirschner wire fracture, residual even rearward move with drill bit and to injure nervus vasculairs.The guide sleeve of hollow can make steel wire in guide sleeve, directly penetrate, in the arrival behind the seal wire groove of registration arm the last registration arm through hollow directly pass outside the joint, need not clear up the posterior cruciate ligament stump; Need not to change apparatus; Need not to look at straight down craft and connect steel wire, simplified operating procedure greatly, shorten operating time; Easy to operate, reduce operation wound.
Description of drawings
Fig. 1 is this utility model locator structure sketch map;
Fig. 2 is the forsner bit structural representation of this utility model localizer;
Fig. 3 is the structural representation of the guide sleeve of this utility model localizer.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is described further:
As shown in Figure 1; A kind of posterior cruciate ligament of knee joint is rebuild localizer, comprise locating support 1, down locating support 2, stop nut 4, go up registration arm 5, go up positioning seat 6, the wide sword of arc seal wire groove 7, arc 8, tip bit 9, depth stop 11, positioning seat 12 down, said upward locating support 1 is connected through chute with following locating support 2; Chute is provided with graduation mark 3 and stop nut 4; Said locating support 1 upper end of going up is connected with positioning seat 6, on the last positioning seat 6 registration arm 5 is installed, and last registration arm 5 is a hollow structure; The positioning end of last registration arm 5 is provided with arc seal wire groove 7; The end of arc seal wire groove 7 is provided with the wide sword 8 of arc, and said locating support 2 lower ends down are connected with down positioning seat 12, are inserted with tip bit 9 in the following positioning seat 12; Tip bit 9 two sides are respectively equipped with the graduation mark of measuring length of tunnel and the graduation mark 10 of measuring the actual entering of the drill bit degree of depth, and tip bit 9 ends are provided with depth stop 11.Tip bit 9 can take out in the said positioning seat 12 down, changes different-diameter countersinking bit 13 and guide sleeve 14 (shown in Fig. 2 and 3), and said guide sleeve 14 is a hollow structure, and end upwarps, and can insert steel wire in the guide sleeve 14, and can pass from last registration arm 5; All there is depth stop 11 at the drill bit rear in the said positioning seat 12 down, and said scale extends to depth stop 11 places.
The last registration arm far-end of this utility model is a circular arc seal wire groove; Head end is the wide sword of the arc of 8mm; The intersection point of last registration arm, the dark tip bit of limit is the center of circle that above lower carriage chute is the circle of arc, limits the rear of dark tip bit to be provided with the dark localizer of limit, the length that before piercing osseous tunnel, can read osseous tunnel through the scale of drill bit; Set the degree of depth that pierces of the dark localizer position adjustments drill bit of limit then, forsner bit can be divided into the different a plurality of models of diameter; Hollow guiding sleeve and following registration arm are to coupling.
The terminal wide sword of the last registration arm of this utility model can effectively be peeled off knee joint rear joint capsule; Protection knee joint rear nervus vasculairs structure; Chute of support composition can be according to individual instances regulated at will length up and down for it, and one side can let registration arm effectively arrive tibial insertion of posterior cruciate ligament, realizes dissecting and rebuilds; Regulate through chute on the other hand; Can adjust the length and the sagittal plane direction of tibial tunnel, the transplanting ligament cutting that minimizing perhaps avoids the right-angle turning of posterior cruciate ligament to cause reduces the generation of ligament rapture.
In this routine implementation process earlier according to individual patients situation and art before the measurement situation set the scale on the chute, stop nut is chute fixedly, uses the wide sword of registration arm after arthroscope is cleared up down and peels off the rear joint capsule; Arc seal wire groove is positioned to the back intersects tibia stop stump, the direction of adjustment localizer is to correct position, the length of tip bit being installed in the following positioning seat and reading osseous tunnel through the scale on the tip bit; Drill through osseous tunnel, choose and transplant the forsner bit polishing osseous tunnel of ligament respective diameters, take out forsner bit; Insert the guiding sleeve, penetrate high-tensile steel wires, process is guided sleeve, is gone up the arc seal wire groove of registration arm; The last registration arm of hollow; Draw outside the joint, take out localizer, accomplish operation process.
Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of this utility model.The all available prior art of each ingredient not clear and definite in the present embodiment realizes.
Claims (3)
1. a posterior cruciate ligament of knee joint is rebuild localizer, it is characterized in that: comprise locating support, following locating support, stop nut, go up registration arm, go up positioning seat, arc seal wire groove, the wide sword of arc and following positioning seat, the said locating support of going up is connected through chute with following locating support; Chute is provided with graduation mark and stop nut; The said locating support upper end of going up is connected with positioning seat, on the last positioning seat registration arm is installed, and last registration arm is a hollow structure; The positioning end of last registration arm is provided with arc seal wire groove; The end of arc seal wire groove is provided with the wide sword of arc, and said locating support lower end down is connected with down positioning seat, is inserted with tip bit in the following positioning seat; The tip bit two side is respectively equipped with the graduation mark of measuring length of tunnel and the graduation mark of measuring the actual entering of the drill bit degree of depth, and the tip bit end is provided with depth stop.
2. posterior cruciate ligament of knee joint according to claim 1 is rebuild localizer, it is characterized in that: said localizer also comprises a plurality of different-diameter countersinking bits and the guide sleeve that can be installed in the said positioning seat down.
3. posterior cruciate ligament of knee joint according to claim 2 is rebuild localizer, and it is characterized in that: said countersinking bit end is equipped with depth stop, and said guide sleeve is a hollow structure, and end upwarps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252146 CN202619723U (en) | 2012-05-31 | 2012-05-31 | Knee-joint posterior cruciate ligament reconstruction positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252146 CN202619723U (en) | 2012-05-31 | 2012-05-31 | Knee-joint posterior cruciate ligament reconstruction positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202619723U true CN202619723U (en) | 2012-12-26 |
Family
ID=47372975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220252146 Expired - Fee Related CN202619723U (en) | 2012-05-31 | 2012-05-31 | Knee-joint posterior cruciate ligament reconstruction positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202619723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670266A (en) * | 2012-05-31 | 2012-09-19 | 东南大学 | Knee joint posterior cruciate ligament reconstruction locator |
| CN106659527A (en) * | 2014-05-08 | 2017-05-10 | 史密夫和内修有限公司 | Methods and devices for attaching or reattaching soft tissue to bone |
-
2012
- 2012-05-31 CN CN 201220252146 patent/CN202619723U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670266A (en) * | 2012-05-31 | 2012-09-19 | 东南大学 | Knee joint posterior cruciate ligament reconstruction locator |
| CN106659527A (en) * | 2014-05-08 | 2017-05-10 | 史密夫和内修有限公司 | Methods and devices for attaching or reattaching soft tissue to bone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9107676B2 (en) | Latarjet instrumentation and method | |
| JP2019084381A (en) | Glenoid cavity implant surgery using patient specific instrumentation | |
| US20130030442A1 (en) | Pcl guides for drilling tibial and femoral tunnels | |
| CN201353165Y (en) | Knee joint posterior cruciate ligament tibia locator | |
| CN103735306A (en) | Frame-type pressurizing multipurpose guider | |
| CN202015221U (en) | Dismal bone core extraction device capable of automatically cutting | |
| CN102670266A (en) | Knee joint posterior cruciate ligament reconstruction locator | |
| CN202619723U (en) | Knee-joint posterior cruciate ligament reconstruction positioner | |
| CN105411657A (en) | Orthopedic shoulder joint glenoid labrum repairing and reconstructing tool system | |
| CN202604978U (en) | Coracoid holding and bolt implanting guide device for coracoid osteotomy displacement operation | |
| CN102525606A (en) | Medullary core decompression navigator and medullary core decompression method | |
| CN102697533B (en) | Posterior cruciate ligament tibial insertion positioner | |
| CN103565496A (en) | Tissue cutter | |
| CN201631370U (en) | Calcaneus traction positioner | |
| CN202146359U (en) | Multifunctional dynamic hip screw guider | |
| CN216257447U (en) | Bone path positioner for ankle joint ligament reconstruction | |
| CN213697165U (en) | Three-dimensional positioning guiding internal fixer for treating ulna coronary fracture under arthroscope | |
| CN201822875U (en) | Knee-joint posterior cruciate ligament tibia end positioner | |
| CN208081271U (en) | A kind of femur guider of turnable drill bit | |
| CN202682012U (en) | Tibia stop positioner for posterior cruciate ligament | |
| CN203226883U (en) | Bone bridge inlaying device for meniscus transplant | |
| CN206434389U (en) | Guided cutter | |
| CN204581401U (en) | A kind of visual femur bores | |
| CN205994557U (en) | Medical fracture of surgical neck of humerus head of humerus reduction fixture device | |
| CN203609462U (en) | Minimally invasive surgical instrument for syndesmorrhaphy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20121226 Termination date: 20140531 |