CN106361466A - Knee-joint posterior cruciate ligament anatomical-reconstruction system used in department of orthopaedics - Google Patents
Knee-joint posterior cruciate ligament anatomical-reconstruction system used in department of orthopaedics Download PDFInfo
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- CN106361466A CN106361466A CN201610988215.8A CN201610988215A CN106361466A CN 106361466 A CN106361466 A CN 106361466A CN 201610988215 A CN201610988215 A CN 201610988215A CN 106361466 A CN106361466 A CN 106361466A
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- upper fixing
- fixing part
- hole
- fixed part
- cruciate ligament
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0876—Position of anchor in respect to the bone
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rehabilitation Therapy (AREA)
- Rheumatology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a knee-joint posterior cruciate ligament anatomical-reconstruction system used in the department of orthopaedics. The knee-joint posterior cruciate ligament anatomical-reconstruction system comprises an upper fixing part and a lower fixing part, wherein each of the upper fixing part and the lower fixing part comprises a positioning portion, an upper fixing portion and a lower fixing portion, and the opposite faces of the lower fixing portion of the upper fixing part and the lower fixing portion of the lower fixing part are provided with correspondingly arranged hinged supports. The knee-joint posterior cruciate ligament anatomical-reconstruction system positions the upper fixing part and the lower fixing part through positioning holes formed in the middles of the positioning portions of the upper fixing part and the lower fixing part and respectively fixes the upper fixing part and the lower fixing part on the thighbone and the tibia through upper fixing holes and lower fixing holes formed in the upper fixing portion and the lower fixing portion, adjusts the space between the upper fixing part and the lower fixing part and adjusts and fixes the included angle formed by the upper fixing part and the lower fixing part through matching between an adjusting stud and an adjusting nut, and then re-fixes the upper fixing part and the lower fixing part through guiding wires connected to a first lead hook and a second lead hook.
Description
Technical field
The present invention relates to orthopaedic technique field, specially a kind of orthopaedics replacement knee posterior cruciate ligament Anatomical Reconstruction system.
Background technology
Posterior cruciate ligament, abbreviation pcl, refer to part before condyle lateral surface in human body knee joint femur, send after articular cartilage
Dense collagenous fibrous tissue, before intercondylar fossa, interior oblique tibial plateau rear, under, outward, terminate between tibial plateau condyle
Ridge trailing edge and the ligament structure that formed, have vasa vasorum and Substance P at its stock, shin stop two ends, major function is to avoid shin
The rear of bone sinks, and maintains kneed backward and rotational stabilization together with kneed rear interior and rear outer complex, but, pcl
Once damaging, repair pretty troublesome, clinical statisticses both domestic and external show, the reconstruction operations amount of pcl fracture is far fewer than knee joint
Anterior cruciate ligament, the surgical experience related to pcl reconstruction is even more substantially on the low side；After being located between condyle along with pcl tibia stop area
Nest, the dangerous nest blood vessel of next-door neighbour and Neural Area, therefore, this operation only have at home at present small part large hospital could safety,
Effectively carry out, for the most of basic hospitals being engaged in trauma care, be usually related to the dislocation of knee joint of pcl fracture
Need clinical operation to treat, but aforesaid two reasons hinder popularization in basic hospital for the pcl reconstruction operations, so finding
The pcl operation method of " safely, effectively, easily ", and design corresponding operation tool accordingly, just become popularization pcl and rebuild,
Reduce operation risk and reduce the of paramount importance link of learning difficulty.
Content of the invention
The technical problem to be solved in the present invention is to overcome existing defect, provides a kind of orthopaedics replacement knee posterior cruciate ligament solution
Cut open reconstructing system, by being separately fixed at upper fixing element and lower fixture on the femur and tibia of patient, between free bearing
The regulation stud connecting and the cooperation of adjusting nut adjust space between upper fixing element and lower fixture and upper fixing element and
Angle between lower fixture is simultaneously fixing, meanwhile, using the guide wire pair connecting on the first lead hook and the second lead hook
Upper fixing element and lower fixture are fixed again, can be with the problem in effectively solving background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of orthopaedics replacement knee posterior cruciate ligament dissects weight
Build system, including upper fixing element and lower fixture, fixed part and lower fixture all include location division, upper fixed part and under
Fixed part, upper fixing element and lower fixture are oppositely arranged, in the lower fixed part of upper fixing element and the lower fixed part of lower fixture
The free bearing being correspondingly arranged is equipped with opposite face, it is half-terete regulation stud that free bearing is connected with section by bearing pin, adjusts
The adjusting nut mating is cased with section stud.
The middle part of location division is provided with location hole, and location hole is near first fairlead that is provided with of the side of lower fixed part, lower solid
The middle part determining portion is provided with lower fixed hole, and the side in the remotely located portion of lower fixed hole is provided with the second fairlead, and upper fixed part is provided with
Two upper fixing holes.
As a preferred technical solution of the present invention, described first lead in the hole is provided with the first lead hook, and second draws
It is provided with the second lead hook in string holes, and the first lead hook and the second lead hook are drawn with the first fairlead and second respectively
The axis of string holes is vertical.
As a preferred technical solution of the present invention, one of regulation stud and relative with another regulation stud
Face is provided with groove, is provided with ball by short axle is equidistant, ball is tangent with the opposite face of another regulation stud in groove.
As a preferred technical solution of the present invention, described location hole, lower fixed hole and upper fixing in the hole are equipped with cuts
Face is the sleeve of t font, is provided with the through hole matching with Kirschner wire in sleeve.
Compared with prior art, the invention has the beneficial effects as follows: this orthopaedics replacement knee posterior cruciate ligament Anatomical Reconstruction system
By the location hole in the middle part of the location division of upper fixing element and lower fixture, upper fixing element and lower fixture are positioned, passes through
Upper fixing hole on upper fixed part and lower fixed part and lower fixed hole by upper fixing element and lower fixture be separately fixed at femur and
On tibia, adjust space and the upper fixation between upper fixing element and lower fixture by the cooperation of regulation stud and adjusting nut
Angle between part and lower fixture is simultaneously fixing, then the guide wire pair by connecting on the first lead hook and the second lead hook
Upper fixing element and lower fixture are fixed again.
Brief description
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the upper fixing element structural representation of the present invention；
Fig. 3 is the adjusting nut attachment structure schematic diagram of regulation stud of the present invention.
In figure: 1 upper fixing element, 2 times fixtures, 3 free bearings, 4 regulation studs, 5 adjusting nuts, 6 location divisions, fixed part on 7,
8 times fixed parts, 9 location holes, 10 first fairleads, 11 lower fixed holes, 12 second fairleads, fixing hole on 13,14 sleeves, 15
One lead hook, 16 second lead hooks, 17 grooves, 18 short axles, 19 balls.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-3, the present invention provides a kind of a kind of technical scheme: orthopaedics replacement knee posterior cruciate ligament Anatomical Reconstruction system
System, including upper fixing element 1 and lower fixture 2, upper fixing element 1 and lower fixture 2 all include location division 6, upper fixed part 7 and lower solid
Determine portion 8, upper fixing element 1 and lower fixture 2 are oppositely arranged, lower solid in the lower fixed part 8 of upper fixing element 1 and lower fixture 2
Determine to be equipped with, on portion 8 opposite face, the free bearing 3 being correspondingly arranged, it is half-terete regulation that free bearing 3 is connected with section by bearing pin
Stud 4, regulation stud 4 is cased with the adjusting nut 5 mating, and free bearing 3 is easy in regulation stud 4 and adjusting nut 5 when adjusting,
Angle change between regulation stud 4 and upper fixing element 1 and lower fixture 2, wherein a regulation stud 4 and with another tune
The opposite face of section stud 4 is provided with groove 17, is provided with ball 19 by short axle 18 is equidistant in groove 17, ball 19 and another
The opposite face of regulation stud 4 is tangent, and ball 19 reduces frictional force between regulation stud 4 so that regulation stud 4 and adjust spiral shell
Female 5 is more smooth when adjusting, and regulation stud 4 and adjusting nut 5 can adjust the space between upper fixing element 1 and lower fixture 2
And the change of angle, upper fixing element 1 and lower fixture 2 can be fixed again meanwhile.
The middle part of location division 6 is provided with location hole 9, and location hole 9 is provided with the first fairlead near the side of lower fixed part 8
10, the middle part of lower fixed part 8 is provided with lower fixed hole 11, and the side in the remotely located portion 6 of lower fixed hole 11 is provided with the second fairlead 12,
Upper fixed part 7 is provided with two upper fixing holes 13, is provided with the first lead hook 15, in the second fairlead 12 in the first fairlead 10
Be provided with second lead hook 16, and the first lead hook 15 and second lead hook 16 respectively with the first fairlead 10 and second
The axis of fairlead 12 is vertical, links up between 15 by the first lead and the second lead links up with the guide wire connecting between 16 to upper
Fixture 1 and lower fixture 2 is fixed again so that upper fixing element 1 and lower fixture 2 are more firm, location hole 9, lower fixation
It is equipped with the sleeve 14 that section is t font in hole 11 and upper fixing hole 13, be provided with, in sleeve 14, the through hole matching with Kirschner wire,
Active force dispersion between Kirschner wire and knee joint is passed to upper fixing element 1 and lower fixture 2 so that upper fixing element 1 by sleeve 14
More firm with lower fixture 2.
When using: by the location hole 9 at location division 6 middle part of upper fixing element 1 and lower fixture 2, to upper fixing element 1 He
Lower fixture 2 is positioned, by the upper fixing hole 13 on upper fixed part 7 and lower fixed part 8 and lower fixed hole 11 by upper fixation
Part 1 and lower fixture 2 are separately fixed on femur and tibia, are adjusted fixing by the cooperation of regulation stud 4 and adjusting nut 5
Space between part 1 and lower fixture 2 and the angle between upper fixing element 1 and lower fixture 2 fixation, then draw by first
The guide wire connecting on line hook 15 and the second lead hook 16 is fixed again to upper fixing element 1 and lower fixture 2.
The present invention passes through upper fixing element 1 and lower fixture 2 to be separately fixed on the femur and tibia of patient, using free bearing
The regulation stud 4 connecting between 3 and the cooperation of adjusting nut 5 adjust space between upper fixing element 1 and lower fixture 2 and on
Angle between fixture 1 and lower fixture 2 fixation, meanwhile, using on the first lead hook 15 and the second lead hook 16
The guide wire connecting is fixed so that performing the operation safer and more effective again to upper fixing element 1 and lower fixture 2.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. a kind of orthopaedics replacement knee posterior cruciate ligament Anatomical Reconstruction system, including upper fixing element (1) and lower fixture (2), it is special
Levy and be: fixed part (1) and lower fixture (2) all include location division (6), upper fixed part (7) and lower fixed part (8),
Upper fixing element (1) and lower fixture (2) are oppositely arranged, in the lower fixed part (8) of upper fixing element (1) and lower fixture (2)
It is equipped with, on lower fixed part (8) opposite face, the free bearing (3) being correspondingly arranged, free bearing (3) is upper to be connected with section for semicircle by bearing pin
The regulation stud (4) of column, regulation stud (4) is cased with the adjusting nut (5) mating；
The middle part of location division (6) is provided with location hole (9), and location hole (9) is provided with the first lead near the side of lower fixed part (8)
Hole (10), the middle part of lower fixed part (8) is provided with lower fixed hole (11), and the side of the remotely located portion of lower fixed hole (11) (6) is provided with
Second fairlead (12), upper fixed part (7) is provided with two upper fixing holes (13).
2. a kind of orthopaedics replacement knee posterior cruciate ligament Anatomical Reconstruction system according to claim 1 it is characterised in that: described
It is provided with the first lead hook (15) in first fairlead (10), in the second fairlead (12), be provided with the second lead hook (16), and
And first lead hook (15) and the second lead link up with (16) axle with the first fairlead (10) and the second fairlead (12) respectively
Line is vertical.
3. a kind of orthopaedics replacement knee posterior cruciate ligament Anatomical Reconstruction system according to claim 1 it is characterised in that: wherein
One regulation stud (4) and the opposite face with another regulation stud (4) is provided with groove (17), passes through short axle in groove (17)
(18) equidistant be provided with ball (19), ball (19) is tangent with the opposite face of another regulation stud (4).
4. a kind of orthopaedics replacement knee posterior cruciate ligament Anatomical Reconstruction system according to claim 1 it is characterised in that: described
It is equipped with the sleeve (14) that section is t font, in sleeve (14) in location hole (9), lower fixed hole (11) and upper fixing hole (13)
It is provided with the through hole matching with Kirschner wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988215.8A CN106361466B (en) | 2016-11-10 | 2016-11-10 | A kind of orthopaedics replacement knee posterior cruciate ligament of knee Anatomical Reconstruction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988215.8A CN106361466B (en) | 2016-11-10 | 2016-11-10 | A kind of orthopaedics replacement knee posterior cruciate ligament of knee Anatomical Reconstruction system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106361466A true CN106361466A (en) | 2017-02-01 |
| CN106361466B CN106361466B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610988215.8A Active CN106361466B (en) | 2016-11-10 | 2016-11-10 | A kind of orthopaedics replacement knee posterior cruciate ligament of knee Anatomical Reconstruction system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6080154A (en) * | 1997-03-22 | 2000-06-27 | Atlantech Medical Devices Limited | Locating anchor |
| CN201664336U (en) * | 2010-04-16 | 2010-12-08 | 邵汝谊 | Tibia sight for rebuilding posterior cruciate ligament |
| US8496705B2 (en) * | 1996-11-21 | 2013-07-30 | DePuy Mitek, LLCR | Method of anchoring autologous or artificial tendon grafts in bone |
| CN104138291A (en) * | 2014-08-19 | 2014-11-12 | 雷俊虎 | Anatomic reconstruction system for posterior cruciate ligaments of orthopaedic knee joints and applications thereof |
| CN104146736A (en) * | 2014-08-19 | 2014-11-19 | 雷俊虎 | Orthopaedics department knee joint anterior cruciate ligament dissection reestablishment system and application thereof |
| CN105055049A (en) * | 2015-09-21 | 2015-11-18 | 中南大学湘雅医院 | Endoprosthesis for reestablishment of knee joint cruciate ligaments under full arthroscope |
-
2016
- 2016-11-10 CN CN201610988215.8A patent/CN106361466B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8496705B2 (en) * | 1996-11-21 | 2013-07-30 | DePuy Mitek, LLCR | Method of anchoring autologous or artificial tendon grafts in bone |
| US6080154A (en) * | 1997-03-22 | 2000-06-27 | Atlantech Medical Devices Limited | Locating anchor |
| CN201664336U (en) * | 2010-04-16 | 2010-12-08 | 邵汝谊 | Tibia sight for rebuilding posterior cruciate ligament |
| CN104138291A (en) * | 2014-08-19 | 2014-11-12 | 雷俊虎 | Anatomic reconstruction system for posterior cruciate ligaments of orthopaedic knee joints and applications thereof |
| CN104146736A (en) * | 2014-08-19 | 2014-11-19 | 雷俊虎 | Orthopaedics department knee joint anterior cruciate ligament dissection reestablishment system and application thereof |
| CN105055049A (en) * | 2015-09-21 | 2015-11-18 | 中南大学湘雅医院 | Endoprosthesis for reestablishment of knee joint cruciate ligaments under full arthroscope |
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| Publication number | Publication date |
|---|---|
| CN106361466B (en) | 2017-12-12 |
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