CN202386758U

CN202386758U - Absorbable patella net

Info

Publication number: CN202386758U
Application number: CN2011205284641U
Authority: CN
Inventors: 张朝跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-16
Filing date: 2011-12-16
Publication date: 2012-08-22
Anticipated expiration: 2021-12-16

Abstract

The utility model discloses an absorbable patella net, which comprises a net-shaped body (1). The net-shaped body (1) is formed by mutual cross weaving of horizontal lines (11) and longitudinal lines (12), the horizontal lines (11) and the longitudinal lines (12) are made of a plurality of absorbable cables, edges of the net-shaped body (1) are provided with tail lines (2) which are formed by the outward extending of the end portions of the horizontal lines (11) and the end portions of the longitudinal lines (12), and suture needles (3) are installed on the end portions of the tail lines (2). The absorbable patella net has the advantages that patellae can be firmly fixed, fracture healing and cartilage surface repairing can be promoted, hospital stays can be shortened, treatment costs can be reduced, knee joints can be mobilized in an early period, stiffness and function loss of joints can be prevented, the absorbable patella net cause few complications and can achieve automatic degradation, and a secondary operation is not required for taking out the net.

Description

Can absorb the patella string bag

Technical field

This utility model relates to medical instruments field, is specifically related to a kind of patella string bag that absorbs.

Background technology

Behind Patella fracture, can promote patella healing through internal fixation, the internal fixation method of operative treatment comminuted patellar mainly contains methods such as steel wire circular ligate method, Kirschner wire tension band are fixed, memorial alloy patella claw both at home and abroad at present; Pulverize seriously like patella, then need carry out the patella enucleation, have a strong impact on the knee joint activity, cause traumatic arthritis etc.

But, still exist many deficiencies in the above-mentioned internal fixation method, specifically be summarized as follows:

(1) internal fixation really with reliable, does not meet the fixed biomechanics requirement of patella inadequately;

(2) inside-fixture rotates, becomes flexible, dashes forward in subcutaneous, causes damaging bursitis, causes local twinge, even pokes many complication such as skin, needs second operation, causes suffering to patient, directly influences functional rehabilitation;

(3) the inside-fixture volume is excessive, and the inside-fixture qualitative response that produces electrolysis, and causes the distortion of inside-fixture, loosening and fracture, and can destroy the blood fortune of patella largely, causes Patella fracture piece ischemic necrosis;

(4) inside-fixture is too strong, forms stress shielding on patella surface, causes osteoporosis, fracture delayed union even not to heal, and can not the early ambulant knee joint, causes that easily ankylosis and function lose; And the later stage also need second operation to take out, have long, the overall high shortcoming of medical expense of hospital stays;

(5) do not have induced osteogenesis and the protection chondrocyte effect.

The utility model content

The technical problem that this utility model will solve provides a kind ofly can fixedly secure patella, promote union of fracture and cartilage surface reparation, shorten the hospital stays, reduce medical expense; But the early ambulant knee joint, prevent that ankylosis and function from losing, complication is few, can degrade, need not the absorbed patella string bag that second operation takes out automatically.

In order to solve the problems of the technologies described above, the technical scheme that this utility model adopts is:

A kind of patella string bag that absorbs, it comprises reticulate body, said reticulate body can absorb x wire that hawser processes and Duo Gen by many and can absorb the mutual interlacing of vertical line that hawser processes and constitute.

Further improvement as technique scheme:

Said reticulate body is an ellipticity, to meet the dissection profile of patella.

The length A of the major axis of said reticulate body is 6～8cm, and the length B of the minor axis of said reticulate body is 5～7cm.

Interlacing forms a plurality of meshes between said many x wires and the many vertical lines, and the size of said mesh outwards increases from the center of reticulate body gradually.

The edge of said reticulate body is provided with the buttock line that the end by said x wire, vertical line stretches out and forms.

The end of said buttock line is provided with suture needle.

The length of said buttock line is 6～8cm.

The utlity model has following advantage:

1, this utility model wraps the patella of fracture through the reticulate body of many x wires and the mutual interlacing formation of Duo Gen vertical line; Reticulate body meets the biomechanics characteristic of patella; Mechanical property is good, and can finely be attached at the patella cartilage surface, fixedly secure patella, promote union of fracture and cartilage surface reparation, but the early ambulant knee joint; Prevent that ankylosis and function from losing, complication is few; And this utility model x wire of constituting reticulate body employing can absorb hawser and processes with vertical line; Can absorb hawser can be accompanied by patella union of fracture and gradually the degraded; Catabolite is to the human non-toxic evil; Good biocompatibility, reticulate body do not need second operation to take out, and can shorten the hospital stays, reduce overall medical expense.

2, the reticulate body of this utility model is an ellipticity further, meets the dissection profile of patella, is convenient to fixedly secure when reticulate body attaches the patella surface, can reduce the interference to nonessential FX.The width of mesh of this utility model reticulate body further outwards increases from the center of reticulate body gradually, therefore makes the absorbed hawser crypto set more at reticulate body middle part, contacts closelyr with patella, and fixed performance is more reliable.

3, the end that further is provided with x wire, vertical line, the edge of the reticulate body of this utility model buttock line that stretches out and form can conveniently use buttock line that reticulate body is fixed in and be attached at the patella cartilage surface, and is easy to use.The end of the buttock line of this utility model also further is provided with suture needle, the time of carrying out of can accelerating to perform the operation, improves the efficient of operation.

Description of drawings

Fig. 1 is the overall structure sketch map of this utility model embodiment.

Fig. 2 is the structural representation of this utility model embodiment reticulate body.

Marginal data: 1, reticulate body; 11, x wire; 12, vertical line; 13, mesh; 2, buttock line; 3, suture needle.

The specific embodiment

As shown in Figure 1, the absorbed patella string bag of present embodiment, it comprises reticulate body 1, reticulate body 1 can absorb x wire 11 that hawser processes and Duo Gen by many and can absorb the vertical line 12 mutual interlacings that hawser processes and constitute.In the present embodiment, at first through knitting forming, pass through the one compression molding then between x wire 11 and the vertical line 12, make braiding connecting portion flattening between x wire 11 and the vertical line 12, integrated with x wire 11, vertical line 12.

In the present embodiment, the edge of reticulate body 1 is provided with the buttock line 2 that the end by x wire 11, vertical line 12 stretches out and forms, and can reticulate body 1 be attached through buttock line 2 and be fixed on the patella cartilage surface, plays the effect that fixedly secures patella.Buttock line 2 can be provided with length according to patient's patella size be 6cm～8cm; The length of present embodiment median caudal filament 2 is 7cm; The end of buttock line 2 is provided with suture needle 3, and suture needle 3 is used to the soft tissue on patella side that punctures, thereby can reticulate body 1 closely be wrapped patient's patella through tension buttock line 2.

As shown in Figure 2, reticulate body 1 is an ellipticity, and ellipticity can meet the dissection profile of patella well, makes to be convenient to fixedly secure when reticulate body 1 attaches the patella surface, can reduce the interference to nonessential FX.According to the Human Patella size of all ages and classes, the length A of the major axis of this utility model reticulate body 1 is 6～8cm, and the length B of the minor axis of reticulate body 1 is 5～7cm.When actual production, can generate large, medium and small three kinds of models, the specification of the length A of the major axis of three kinds of models and the length B of minor axis is following successively: small-sized: A=6 cm/B=5 cm; Medium-sized: A=7 cm/B=6 cm; Large-scale: A=8 cm/B=7 cm.Present embodiment reticulate body 1 is medium-sized, and the length A of the major axis of reticulate body 1 is 7cm, and the length B of elliptoid minor axis is 6cm.

Interlacing forms a plurality of meshes 13 between many x wires 11 and the many vertical lines 12; The mesh 13 of reticulate body 1 amounts to 4 horizontally-arrangeds in the present embodiment; Each horizontally-arranged amounts to 5 meshes 13, and the size of mesh 13 outwards increases from the center of reticulate body 1 gradually, and the distance between the absorbed hawser of the periphery of reticulate body 1 is bigger; Distance between the absorbed hawser at center is less; Make the absorbed hawser crypto set more at reticulate body 1 middle part, contact closelyr with patella, can further make the reticulate body 1 fastening patella surface that is attached at.

The absorbed hawser of this utility model adopts the PDO line of modification, and its commodity are called the Pu Disi suture, also can adopt other absorbed hawser.

The applying step of present embodiment in operation is following: after pressing the preceding skin of routine operation approach incision patella, sub-dermal soft tissue; Expose pending patella; Remove the fracture site hematocele and the soft tissue of patella; Get into articular cavity from patella two lateral incision joint capsules, with the smooth from inside to outside rear of putting into articular cartilage of the reticulate body 1 of this utility model, the buttock line 2 that will have suture needle 3 simultaneously draws back subsequent use.The Patella fracture piece resets; Use the clamp of towel clamp towel forceps temporary fixed, with suture needle 3 successively from the top, interiorly go up, interior down, the below, outer down, outside pass the soft tissue on patella side, each buttock line 2 is strained relatively; The inspection patella after cartilage surface smooth after; With good patella bone piece of pulverizing of each buttock line 2 parcel and tension knotting, cut off the unnecessary buttock line 2 that connects suture needle 3 at last, the reduction of the fracture is fixing to be finished.In the Patella fracture agglutination, the reticulate body 1 of this utility model and the material of buttock line 2 can be degraded gradually, need not second operation and remove, and therefore catabolite can be widely used in the treatment Patella fracture to the human non-toxic evil.

The above only is the preferred implementation of this utility model, and the protection domain of this utility model also not only is confined to the foregoing description, and all technical schemes that belongs under this utility model thinking all belong to the protection domain of this utility model.Should be pointed out that for those skilled in the art in the some improvement and the retouching that do not break away under this utility model principle prerequisite, these improvement and retouching also should be regarded as the protection domain of this utility model.

Claims

1. one kind can absorb the patella string bag, it is characterized in that: it comprises reticulate body (1), said reticulate body (1) by many can absorb x wire (11) that hawser processes and many can absorb vertical line (12) that hawser processes each other interlacing constitute.

2. the patella string bag that absorbs according to claim 1 is characterized in that: said reticulate body (1) is an ellipticity.

3. the patella string bag that absorbs according to claim 2 is characterized in that: the length A of the major axis of said reticulate body (1) is 6～8cm, and the length B of the minor axis of said reticulate body (1) is 5～7cm.

4. the patella string bag that absorbs according to claim 1; It is characterized in that: interlacing forms a plurality of meshes (13) between said many x wires (11) and the many vertical lines (12), and the size of said mesh (13) is from the outwards increase gradually of center of reticulate body (1).

5. according to the claim 1 or 2 or the 3 or 4 described patella string bags that absorb, it is characterized in that: the edge of said reticulate body (1) is provided with the buttock line (2) that the end by said x wire (11), vertical line (12) stretches out and forms.

6. the patella string bag that absorbs according to claim 5 is characterized in that: the end of said buttock line (2) is provided with suture needle (3).

7. the patella string bag that absorbs according to claim 6 is characterized in that: the length of said buttock line (2) is 6～8cm.