CN105411635B - Anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guided positioning system - Google Patents
Anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guided positioning system Download PDFInfo
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- CN105411635B CN105411635B CN201510971775.8A CN201510971775A CN105411635B CN 105411635 B CN105411635 B CN 105411635B CN 201510971775 A CN201510971775 A CN 201510971775A CN 105411635 B CN105411635 B CN 105411635B
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- fastening screw
- clamping part
- hole
- bone tunnel
- femoral bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The present invention discloses a kind of anterior cruciate ligament of knee joint femoral bone tunnel and goes out pin direction guided positioning system, including arch locator, rotate catch, spring and fastening screw bar, the arch locator includes arch portion, the arch portion wherein one end is provided with horizontal kirschner needle passageway close to the position of end face, the arch portion other end end face is provided with clamping part, the clamping part lower end surface has the horizontal placed channel through whole clamping part and fastening screw through hole straight up, the axis of the placed channel is consistent with Kirschner wire passage axis, internal thread is provided with the fastening screw through hole, the rotation catch center is provided with centre bore.The present invention is simple in construction, easy to use, and accurate femoral bone tunnel direction can be provided for doctor.
Description
Technical field
The invention belongs to anterior cruciate ligament of knee joint femoral bone tunnel to go out pin direction guided positioning system femoral bone tunnel exporter
To guiding positioning field, and in particular to a kind of anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guided positioning system.
Background technology
Kneed anterior cruciate ligament, abbreviation anterior cruciate ligament, after referring to be attached to knee joint femoral ectocondyle medial surface,
After upper, outer dense connective tissue is assembled in fossa intercondyloidea, before oblique knee joint, under, it is interior, before terminating in the intercondylar ridge of tibial plateau
The ligament structure that side is recessed and formed.Its femur, shin bone stop both ends have vasa and Substance P, and major function is control
The reach and rotation extremely of kneed shin bone, is engaged with kneed other static(al)s and dynamic stabilization devices and maintains knee joint
Stability.But it is once damaged, it is necessary to which operation carries out reconstruction reparation.
Currently used method is respectively to drill through 7~9mm tunnels, both ends in femur and shin bone original anterior cruciate ligament attachment point
Ligament is inserted and is fixed method is completed to perform the operation after the completion of tunnel.The method for building up of femoral bone tunnel, from inside to outside using stock
Bone eccentric throw instrument and 2.4mm guide pins determine the center in tunnel, then obtain femur tunnel using the core drill of dimension along guide pin
Road.；For femoral bone tunnel when establishing, 2.4mm guide pins are that can directly be seen that entering pin mark, and guide pin is in the inner and outer side soft tissue of femur
Structure length is more than 60mm, in the micro-judgment for going out pin mark and being completely dependent on operative doctor in outside after causing guide pin to the marrow, easily
It is serious to there is the skew of guide pin direction, causes tunnel direction uncontrollable, it is necessary to by guide pin repeatedly pierce be only possible to adjust it is good
Good direction.
The content of the invention
The technical problems to be solved by the invention are to be directed to above-mentioned the deficiencies in the prior art, there is provided are handed over before a kind of knee joint
Fork ligament femoral bone tunnel goes out pin direction guided positioning system, simple in construction, easy to use, and accurate femur tunnel can be provided for doctor
Road direction.
The technical solution adopted in the present invention is：A kind of anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guide-localization
System, including arch locator, rotation catch, spring and fastening screw bar, the arch locator include arch portion, the bow
Shape portion wherein one end is provided with horizontal kirschner needle passageway close to the position of end face, and the arch portion other end end face is provided with clamping
Portion, the clamping part lower end surface have the horizontal placed channel through whole clamping part and fastening spiral shell straight up
Silk through hole, the axis of the placed channel is consistent with Kirschner wire passage axis, and internal thread, institute are provided with the fastening screw through hole
State rotation catch center and be provided with centre bore, the fastening screw bar includes body portion, and body portion wherein one end end face center passes through
Connecting portion is provided with connecting rod, and the external diameter of the connecting rod is consistent with the centre bore internal diameter on rotation catch, and the connecting rod is remote
One end of connecting portion is provided with the external screw thread for being provided with and being matched with the internal thread in fastening screw through hole, and body portion both ends are arranged with
Rotating part, the spring are arranged in the fastening screw through hole of clamping part, and the rotation catch is close to clamping part lower end surface and set
Put, the rotation catch covers placed channel and fastening screw through hole, the connection of the fastening screw bar when being bonded with clamping part
The centre bore of bar through rotation catch is threadedly coupled with the internal thread in fastening screw through hole.
Preferably, the arch portion is integrally formed with clamping part.
Preferably, the Kirschner wire passage aperture is 2mm.
Preferably, the spring materials are stainless steel.
The beneficial effects of the present invention are：
（1）Simply, conveniently, operating procedure is few for instrument, reduces operating time, reduces operation risk；
（2）Accurate positioning, reduce iatrogenic surgical injury；
（3）Instrument consumption is low, meets to repeatedly use, and reduces operation cost；
（4）Tool design realizes standardization operation, avoid because medical technologies are horizontal or caused by operating table error in judgement it is postoperative
The problems such as difference on effect is larger.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is arch locator structure schematic diagram of the present invention.
Fig. 3 is arch locator left view of the present invention.
Fig. 4 is present invention rotation baffle structure schematic diagram.
Fig. 5 is spring structure schematic diagram of the present invention.
Fig. 6 is fastening screw bar structural representation of the present invention.
In figure：1st, arch locator；2nd, catch is rotated；3rd, spring；4th, fastening screw bar；
11st, arch portion；12nd, kirschner needle passageway；13rd, clamping part；14th, placed channel；15th, fastening screw through hole；16th, interior spiral shell
Line；21st, centre bore；41st, body portion；42nd, connecting portion；43rd, connecting rod；44th, external screw thread；45th, rotating part.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of anterior cruciate ligament of knee joint femoral bone tunnel, which goes out pin direction, leads
Include bow to alignment system, including arch locator 1, rotation catch 2, spring 3 and fastening screw bar 4, the arch locator 1
Shape portion 11, the arch portion 11 wherein one end are provided with horizontal kirschner needle passageway 12, the arch portion 11 close to the position of end face
Other end end face is provided with clamping part 13, and the lower end surface of clamping part 13 has horizontal to be determined through whole clamping part 13
Bit port 14 and fastening screw through hole 15 straight up, axis and the axis one of kirschner needle passageway 12 of the placed channel 14
Cause, internal thread 16 is provided with the fastening screw through hole 15, rotation catch 2 center is provided with centre bore 21, the fastening spiral shell
Screw mandrel 4 includes body portion 41, and the body portion 41 wherein one end end face center is provided with connecting rod 43, the connecting rod by connecting portion 42
43 external diameter is consistent with the internal diameter of centre bore 21 on rotation catch 2, and the described one end of connecting rod 43 away from connecting portion 42 is provided with and opened
There is the external screw thread 44 matched with the internal thread 16 in fastening screw through hole 15, the both ends of body portion 41 are arranged with rotating part 45,
The spring 3 is arranged in the fastening screw through hole 15 of clamping part 13, and the rotation catch 2 is close to the lower end surface of clamping part 13 and set
Put, the rotation catch 2 covers placed channel 14 and fastening screw through hole 15, the fastening screw bar when being bonded with clamping part 13
4 connecting rod 43 is threadedly coupled through the centre bore 21 of rotation catch 2 with the internal thread 16 in fastening screw through hole 15.
In the present embodiment, the arch portion 11 is integrally formed with clamping part 13.
In the present embodiment, the aperture of kirschner needle passageway 12 is 2mm.
In the present embodiment, the material of spring 3 is stainless steel.
During the practicality of this alignment system, spring 3 is inserted to the fastening screw passage 15 of clamping part 13 on arch locator 1 first
It is interior, then with the resected femur eccentric throw of placed channel 14.Then rotation catch 2 is covered, the connecting rod 43 of fastening screw bar 4 is deep
Enter in fastening screw passage 15.The external screw thread 44 allowed in connecting rod 43 is threadedly coupled i.e. with the internal thread 16 in fastening screw through hole
Can.
Embodiment described above only expresses the embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (4)
1. a kind of anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guided positioning system, including arch locator, rotation gear
Piece, spring and fastening screw bar, the arch locator include arch portion, and the arch portion wherein one end is close to the position of end face
It is provided with horizontal kirschner needle passageway, it is characterised in that：The arch portion other end end face is provided with clamping part, the clamping part lower end
End face has the horizontal placed channel through whole clamping part and fastening screw through hole straight up, and the positioning is logical
The axis in road is consistent with Kirschner wire passage axis, and internal thread is provided with the fastening screw through hole, and the rotation catch center is opened
There is centre bore, the fastening screw bar includes body portion, and the body portion wherein one end end face center is provided with connecting rod by connecting portion,
The external diameter of the connecting rod is consistent with the centre bore internal diameter on rotation catch, and the one end of the connecting rod away from connecting portion is provided with and opened
There is the external screw thread matched with the internal thread in fastening screw through hole, body portion both ends are arranged with rotating part, and the spring is set
Be placed in the fastening screw through hole of clamping part, it is described rotation catch be close to clamping part lower end surface setting, it is described rotation catch with
Placed channel and fastening screw through hole are covered when clamping part is bonded, the connecting rod of the fastening screw bar is passed through in rotation catch
Heart hole is threadedly coupled with the internal thread in fastening screw through hole.
2. anterior cruciate ligament of knee joint femoral bone tunnel according to claim 1 goes out pin direction guided positioning system, its feature
It is：The arch portion is integrally formed with clamping part.
3. anterior cruciate ligament of knee joint femoral bone tunnel according to claim 1 or 2 goes out pin direction guided positioning system, it is special
Sign is：The Kirschner wire passage aperture is 2mm.
4. anterior cruciate ligament of knee joint femoral bone tunnel according to claim 1 or 2 goes out pin direction guided positioning system, it is special
Sign is：The spring materials are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971775.8A CN105411635B (en) | 2015-12-22 | 2015-12-22 | Anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guided positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971775.8A CN105411635B (en) | 2015-12-22 | 2015-12-22 | Anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guided positioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105411635A CN105411635A (en) | 2016-03-23 |
| CN105411635B true CN105411635B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510971775.8A Active CN105411635B (en) | 2015-12-22 | 2015-12-22 | Anterior cruciate ligament of knee joint femoral bone tunnel goes out pin direction guided positioning system |
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| CN (1) | CN105411635B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245252B (en) * | 2018-01-30 | 2021-06-25 | 赵天云 | Multi-tunnel guide management system in knee joint multiple ligament injury operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201005733Y (en) * | 2007-04-03 | 2008-01-16 | 张文涛 | Knee cruciate ligaments retaining guiding hook |
| CN201426740Y (en) * | 2009-06-19 | 2010-03-24 | 南京医科大学附属南京第一医院 | Reconstruction positioner for posterior cruciate ligament of knee joint |
| CN201612662U (en) * | 2009-12-30 | 2010-10-27 | 南京大学医学院附属鼓楼医院 | Drill positioning guider for reduction of cruciate ligament avulsion fracture |
| CN104146736A (en) * | 2014-08-19 | 2014-11-19 | 雷俊虎 | Orthopaedics department knee joint anterior cruciate ligament dissection reestablishment system and application thereof |
| CN105007839A (en) * | 2013-03-05 | 2015-10-28 | 沃尔德玛链接有限公司 | Medical tool system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7766964B2 (en) * | 2007-03-30 | 2010-08-03 | Biomet Sports Medicine, Llc | In situ graft preparation for knee ligament reconstruction |
| US8617168B2 (en) * | 2010-10-25 | 2013-12-31 | Smith & Nephew, Inc. | Oval tibia guide |
| CN103315798B (en) * | 2013-06-28 | 2015-02-18 | 四川大学华西医院 | Bone tunnel fixator for anterior cruciate ligament reconstruction |
| CN203885617U (en) * | 2014-02-19 | 2014-10-22 | 北京天智航医疗科技股份有限公司 | Orthopaedic robot guide needle locator and navigation device |
| CN204765895U (en) * | 2015-06-26 | 2015-11-18 | 北华大学 | Orthopedics set screw follows closely extractor absolutely |
-
2015
- 2015-12-22 CN CN201510971775.8A patent/CN105411635B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201005733Y (en) * | 2007-04-03 | 2008-01-16 | 张文涛 | Knee cruciate ligaments retaining guiding hook |
| CN201426740Y (en) * | 2009-06-19 | 2010-03-24 | 南京医科大学附属南京第一医院 | Reconstruction positioner for posterior cruciate ligament of knee joint |
| CN201612662U (en) * | 2009-12-30 | 2010-10-27 | 南京大学医学院附属鼓楼医院 | Drill positioning guider for reduction of cruciate ligament avulsion fracture |
| CN105007839A (en) * | 2013-03-05 | 2015-10-28 | 沃尔德玛链接有限公司 | Medical tool system |
| CN104146736A (en) * | 2014-08-19 | 2014-11-19 | 雷俊虎 | Orthopaedics department knee joint anterior cruciate ligament dissection reestablishment system and application thereof |
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| Publication number | Publication date |
|---|---|
| CN105411635A (en) | 2016-03-23 |
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