CN209450633U - Rear fork ligament stop fracture operation special fixing device under a kind of arthroscope - Google Patents
Rear fork ligament stop fracture operation special fixing device under a kind of arthroscope Download PDFInfo
- Publication number
- CN209450633U CN209450633U CN201822204858.6U CN201822204858U CN209450633U CN 209450633 U CN209450633 U CN 209450633U CN 201822204858 U CN201822204858 U CN 201822204858U CN 209450633 U CN209450633 U CN 209450633U
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- China
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- fixed
- tabletting
- fixing device
- retaining ring
- rear fork
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Abstract
The utility model discloses rear fork ligament stop fracture operation special fixing device under a kind of arthroscope, including fixed tabletting and fixed rope, threading hole is set in the fixed tabletting, fixed rope is worn in threading hole, fixed rope rear end is connected and fixed, the shape of working surface of the fixed tabletting is the shape cooperated with posterior cruciate ligament of knee dead-centre position shape adaptability, the fixed tabletting is set as long-elliptical, the both ends of length direction are arranged in threading hole thereon, retaining ring is arranged in the fixed rope fastening end, locking teeth is arranged in vertical axial on the retaining ring medial surface, the retaining ring cross section is set as elliptical ring.The utility model is adapted with posterior cruciate ligament of knee stop anatomical shape by fixed tabletting shape and is bonded, and is uniformly compressed to posterior cruciate ligament of knee stop, and can smoothly carry out under arthroscope.The utility model structure is simple, and good stickiness keeps bone block fixation more reliable, and the retaining ring of fixed rope fastening end is easy to use, and coupling mechanism force is good, improves the simplicity of operation.
Description
Technical field
The utility model belongs to medical operation equipment technical field, is related to that a kind of structure is simple, arthroscope easy to use
Lower rear fork ligament stop fracture operation special fixing device.
Background technique
Ligamentaum cruciatum is rock-steady structure important in knee joint, even intercondylar grand with fossa intercondylaris femoris and shin bone in hinge type
Between rising, prevent shin bone along femur backward shift forward, wherein posterior cruciate ligament of knee joint intensity is 2 times of anterior cruciate ligament,
Stress is also larger, and it is clinically very that posterior cruciate ligament of knee, which occurs the situations such as ligament stop fracture because of the excessive fortuitous event of stress,
Common.At present there are two types of the operation methods for the treatment of knee joint rear fork ligament tibial side stop fracture: traditional incision operation and pass
Save minimally-invasive treatment under mirror.Traditional incision operation restores slow because wound is larger, need second operation take out in the unfavorable factors such as fixed
Gradually eliminated by clinician.Minimally-invasive treatment is the development trend of surgical operation.To knee joint rear fork ligament shin bone under arthroscope
Stop fracture in side is fixed because having wound small, and operation is fast, restores the features such as fast increasingly by surgical welcome.
But rear fork ligament tibial side stop fracture is mainly fixed using materials such as line, holdfast and steel wires under current arthroscope, and
Do not have to fix material under dedicated mirror.It performs the operation relatively time-consuming, operating difficulties, and not can be carried out the disadvantages of strong fixed to bone block.
Therefore, researching and developing rear fork ligament stop fracture operation special fixing device under a kind of arthroscope has important clinical significance.
Utility model content
Rear fork ligament stop bone under a kind of the purpose of this utility model is to provide structures arthroscope simple, easy to use
Folding operation special fixing device.
The purpose of this utility model is achieved in that including fixing tabletting and fixed rope, is arranged in the fixed tabletting
Threading hole wears fixed rope in threading hole, and fixed rope rear end is connected and fixed, and the shape of working surface of the fixed tabletting is and rear friendship
The shape of ligament dead-centre position anatomical shape adaptability cooperation is pitched, the fixed tabletting is set as long-elliptical, wearing thereon
String holes is arranged in the both ends of length direction, and the fixed rope fastening end is arranged retaining ring, vertical on the retaining ring medial surface
Axial setting locking teeth, the retaining ring cross section is set as elliptical ring.
The fixed wafer surface of the utility model is in cancave cambered surface, and shape can be adapted with posterior cruciate ligament of knee stop anatomical shape
Fitting can carry out the relatively uniform compression of stress to the bone block of posterior cruciate ligament of knee dead-centre position during surgery, both increase compression
Fixed stability, but avoid pressing to fracture portions due to unbalance stress caused by secondary damage, the both ends of fixed tabletting
It passes through fixed rope in the threading hole of setting to be strained and fixed to fixed tabletting, to compress fracture stop, when necessary
Third group threading hole is set in the middle part of fixed tabletting, forms 3 stress, more stable, retaining ring is arranged in the fastening end of fixed rope
It for memorial alloy retaining ring, locks within specified temperatures, after will fix tabletting and fixed rope has been strained and fixed, by fixed rope
End passes through retaining ring, and locking teeth is arranged in inner wall surface thereof, and the clamping force to fixed rope is increased after locking, guarantees the stabilization of locking
Property does not need to clear up bone bed in art, that is, substantially reduces operating time, while also increasing the possibility of union
Property.The utility model structure is simple, easy to use, good to keep fracture stress more evenly steady with fracture dissection similar characteristic
It is fixed, guarantee surgical quality, the retaining ring of fixed rope fastening end is easy to use, and coupling mechanism force is good, and it is easy to operate, improve the simplicity of operation
Property, operating time is greatly shortened, the surgical effect of patient is improved.
Detailed description of the invention
Fig. 1 is the utility model structure chart；
Fig. 2 is the front view that tabletting is fixed in Fig. 1；
Fig. 3 is the lateral plan that tabletting is fixed in Fig. 1；
The main view of retaining ring 3 in Fig. 4 bitmap 1；
In figure: the fixed tabletting of 1-, 11- threading hole, 2- fixed rope, 3- retaining ring, 31- locking teeth.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, but must not add in any way to the utility model
With limitation, made any changes and modifications are instructed based on the utility model, belong to the protection scope of the utility model.
As shown in Fig. 1 ~ 4, the utility model includes fixed tabletting 1 and fixed rope 2, and threading is arranged in the fixed tabletting 1
Hole 11 wears fixed rope 2 in threading hole 11, and 2 rear end of fixed rope is connected and fixed, the shape of working surface of the fixed tabletting 1 be with
The shape of posterior cruciate ligament of knee dead-centre position anatomical shape adaptability cooperation, the fixed tabletting 1 are set as long-elliptical, thereon
Threading hole 11 both ends of length direction are set, retaining ring 3,3 inside of retaining ring is arranged in 2 fastening end of fixed rope
Locking teeth 31 is arranged in vertical axial on face, and 3 cross section of retaining ring is set as elliptical ring.
The cross sectional shape of 1 length direction of fixed tabletting is at " ︶ " shape, hanging down between the high point of two sides and the concave point of centre
Directly distance c is 2 ~ 5mm, and the length a of fixed tabletting 1 is 12 ~ 25mm, and width b is 8 ~ 12mm.
The outer ring length d of the 3 cross section elliptical ring of retaining ring is 6 ~ 10mm, and width e is 4 ~ 6mm, the retaining ring 3
1 ~ 2mm of wall thickness, the axial length of retaining ring 3 are 8 ~ 12mm.
The threading hole 11 2 are a pair, and a pair, 4 threading holes are respectively arranged at the both ends of fixed tabletting length direction
On the same line, two each pair of pitchs of holes are 2 ~ 5mm.
A pair is respectively arranged at the both ends of fixed tabletting length direction in 11 2 position a pair of the threading hole, it is each pair of on
The line in two holes is vertical with the fixed length direction of tabletting 1, is 2 ~ 5mm with two each pair of pitchs of holes.
The edge rounding of the fixed tabletting 1 smoothly transits setting.
The fixed rope 2 is set as absorbable and exempts to tear open fixed rope made of material.Wall surface removes bring trouble.
The retaining ring 3 is made of memorial alloy.Specific temperature environment deformation clamps, easy to use.
The middle part supplement setting third of the fixed tabletting 1 is to threading hole 11.
The middle part supplement setting third of the fixed tabletting 1 is to threading hole 11.
Utility model works principle and the course of work:
Fixed 1 surface of tabletting of the utility model is in cancave cambered surface, and shape can mutually be fitted with posterior cruciate ligament of knee stop anatomical shape
It should be bonded, the relatively uniform compression of stress can be carried out to the bone block of posterior cruciate ligament of knee dead-centre position during surgery, both increased pressure
The stability fastened, but avoid pressing to fracture portions due to unbalance stress caused by secondary damage, the both ends of fixed tabletting 1
2 pairs of fixed rope fixed tablettings are passed through in the threading hole 11 of portion's setting to be strained and fixed, so that fracture stop is compressed, it must
Third group threading hole is set in the middle part of fixed tabletting when wanting, forms 3 stress, more stable, lock is arranged in the fastening end of fixed rope
Tight ring is memorial alloy retaining ring, locks, after will fix tabletting and fixed rope has been strained and fixed, will consolidate within specified temperatures
Surely 2 ends are restricted across retaining ring 3, locking teeth 31 is arranged in inner wall surface thereof, and the clamping force to fixed rope is increased after locking, guarantees locking
Stability.The utility model structure is simple, easy to use, good to make to fracture stress more with fracture dissection similar characteristic
It is uniform and stable, guarantee surgical quality, the retaining ring of fixed rope fastening end is easy to use, and coupling mechanism force is good, and it is easy to operate, improve operation
Simplicity, greatly shorten operating time, improve the surgical effect of patient.
Claims (10)
1. rear fork ligament stop fracture operation special fixing device under a kind of arthroscope, including fixed tabletting (1) and fixed rope
(2), threading hole (11) are set on the fixed tabletting (1), are worn fixed rope (2) in threading hole (11), fixed rope (2) rear end connects
Fixation is connect, it is characterized in that: the shape of working surface of the fixed tabletting (1) is to dissect with knee-joint posterior cruciate ligament tibia side stop
The shape of shape adaptability cooperation, the fixed tabletting (1) are set as long-elliptical, and threading hole (11) thereon is arranged in length
The both ends in direction are spent, retaining ring (3) are arranged in fixed rope (2) fastening end, vertical axial on retaining ring (3) medial surface
It is arranged locking teeth (31), retaining ring (3) cross section is set as elliptical ring.
2. rear fork ligament stop fracture operation special fixing device under arthroscope according to claim 1, it is characterized in that: institute
The cross sectional shape of fixed tabletting (1) length direction is stated into " ︶ " shape, the vertical range c between the high point of two sides and the concave point of centre is
2 ~ 5mm, the length a of fixed tabletting (1) are 12 ~ 25mm, and width b is 8 ~ 12mm.
3. rear fork ligament stop fracture operation special fixing device, feature under arthroscope according to claim 1 or 2
Be: the outer ring length d of retaining ring (3) cross section elliptical ring is 6 ~ 10mm, and width e is 4 ~ 6mm, the retaining ring (3)
1 ~ 2mm of wall thickness, the axial length of retaining ring (3) are 8 ~ 12mm.
4. rear fork ligament stop fracture operation special fixing device, feature under arthroscope according to claim 1 or 2
Be: the threading hole (11) 2 are a pair, a pair are respectively arranged at the both ends of fixed tabletting length direction, 4 threading holes are same
On one straight line, two each pair of pitchs of holes are 2 ~ 5mm.
5. rear fork ligament stop fracture operation special fixing device, feature under arthroscope according to claim 1 or 2
Be: a pair is respectively arranged at the both ends of fixed tabletting length direction in (11) 2 position a pair of the threading hole, it is each pair of on two holes
Line it is vertical with the fixed length direction of tabletting (1), be 2 ~ 5mm with two each pair of pitchs of holes.
6. rear fork ligament stop fracture operation special fixing device, feature under arthroscope according to claim 1 or 2
Be: the edge rounding of the fixed tabletting (1) smoothly transits setting.
7. rear fork ligament stop fracture operation special fixing device, feature under arthroscope according to claim 1 or 2
Be: the fixed rope (2) is set as absorbable and exempts to tear open fixed rope made of material.
8. rear fork ligament stop fracture operation special fixing device, feature under arthroscope according to claim 1 or 2
Be made of: the retaining ring (3) is memorial alloy.
9. rear fork ligament stop fracture operation special fixing device under arthroscope according to claim 4, it is characterized in that: institute
The middle part supplement setting third of fixed tabletting (1) is stated to threading hole (11).
10. rear fork ligament stop fracture operation special fixing device under arthroscope according to claim 5, it is characterized in that:
The middle part supplement setting third of the fixed tabletting (1) is to threading hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204858.6U CN209450633U (en) | 2018-12-26 | 2018-12-26 | Rear fork ligament stop fracture operation special fixing device under a kind of arthroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204858.6U CN209450633U (en) | 2018-12-26 | 2018-12-26 | Rear fork ligament stop fracture operation special fixing device under a kind of arthroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209450633U true CN209450633U (en) | 2019-10-01 |
Family
ID=68042303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822204858.6U Expired - Fee Related CN209450633U (en) | 2018-12-26 | 2018-12-26 | Rear fork ligament stop fracture operation special fixing device under a kind of arthroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209450633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112472266A (en) * | 2020-12-10 | 2021-03-12 | 江苏爱厚朴医疗器械有限公司 | Ligament tibia insertion avulsion fracture fixing device and matched operation method thereof |
-
2018
- 2018-12-26 CN CN201822204858.6U patent/CN209450633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112472266A (en) * | 2020-12-10 | 2021-03-12 | 江苏爱厚朴医疗器械有限公司 | Ligament tibia insertion avulsion fracture fixing device and matched operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20211226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |