CN205019143U - String bag device of treatment ACL shin bone stop avulsion fracture - Google Patents
String bag device of treatment ACL shin bone stop avulsion fracture Download PDFInfo
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- CN205019143U CN205019143U CN201520585651.1U CN201520585651U CN205019143U CN 205019143 U CN205019143 U CN 205019143U CN 201520585651 U CN201520585651 U CN 201520585651U CN 205019143 U CN205019143 U CN 205019143U
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Abstract
The utility model provides a string bag device of treatment ACL shin bone stop avulsion fracture, string bag device includes string bag form fixed structure, three traction fixation of the group lines of the at least fixedly connected with of all edges of string bag form fixed structure, string bag form fixed structure is used for covering the fracture position, the multiunit the bone tunnel that the traction fixation line set up on through the shin bone stretches out and is together fixed, makes string bag form fixed structure sticiss the avulsion ligament on the shin bone. The utility model provides a string bag device of treatment ACL shin bone stop avulsion fracture, string bag device directly cover in ligament avulsion position department, can not cause the injury to ligament and joint, have reduced the emergence of the bad risk of postoperative, in addition, adopt the utility model provides a string bag device greatly reduced operation degree of difficulty and surgical cost, and adopt the ultrahigh molecular weight polyethylene suture to make, need not to carry on the secondary operation and take out the implant.
Description
Technical field
This utility model relates to Medical device design technical field, particularly relates to the string bag device of a kind for the treatment of III type, IV type ACL tibia stop (tibial intercondylar eminence) avulsion fracture.
Background technology
ACL(anterior cruciate ligament) tibia stop avulsion fracture is the avulsion fracture of ACL lower end attachment place, is that a kind of special ACL damages; Generally occur in the Children and teenager colony of 8-16 one full year of life, often caused by less stress, such as traumatic injury by bike; Because the tibial intercondylar eminence of youngsters and children is completely not ossified, compared with ACL, relatively fragile, also can there is ACL tibia stop avulsion fracture in adult, normal merging meniscus and medial collateral ligament injury.
As according to Meyers-McKeever classification method, ACL tibia stop avulsion fracture is generally divided into three types, is respectively: I type avulsion bone block without obvious displacement, as shown in fig. 1; II type bone block has displacement, but bone block still has part involutory with intercondyloid spine, forms the displacement of hinge enabling shape, as shown in Figure 2; III type sclerite is separated or displacement with tibia completely, can be divided into two kinds again, III A type and III Type B, and III A type is only anterior cruciate ligament avulsion, and as shown in Figure 3, III Type B comprises whole intercondyloid spine avulsion, as shown in Figure 4.In addition, the comminuted avulsion fracture that tibia stop is shifted is defined as IV type by ZaricznyjB.
The avulsion of I type, conventional fixing means fixes knee joint almost stretching position; The treatment of II type avulsion fracture, has plaster fixing and Operation in early stage two schemes; Type III familial combined hyperlipidemia fracture need carry out operative treatment, there is reduction fixation method under open reduction and Kirschner wire fixation and arthroscope, compared with traditional open reduction and Kirschner wire fixation, under arthroscope, to have otch little for reduction fixation, damage little to the other suporting ligament of kneecap and joint capsule, reduce the probability of tissue adhesion, alleviate pain during functional exercise, be conducive to the advantage such as early postoperation functional exercise and knee joint function recovery, therefore under current general employing arthroscope, reduction fixation is main.
Arthroscopic Treatment intercondylar eminence fracture, has following several method in history:
1, with reference to Fig. 7, screw fixed tibial spinous process of tibia fracture under the description arthroscopes such as Van in 1991, Lubowitz in 1993 etc. are fixed by front interior high-order approach self-tapping screw, although screw constant intensity is large, movablely can prevent ankylosis in early days, but the deficiency of this Therapeutic Method is: 1) be only applicable to big bone; 2) because screw head projection needs second operation to take out; 3) likely damaged cartilage in operation process, so this Therapeutic Method is not suitable for the youngsters and children of growth and development stage;
2, to describe under arthroscope with non-absorbable suture fixed tibial spinous process of tibia fracture operation with reference to Fig. 5, Matthews in 1994 etc., reduce operating difficulty and cost, but this Therapeutic Method exists following defect: 1) be only applicable to big bone; 2) bone block leading edge is likely caused to tilt; 3) suture can cut ligament, causes ligament injury, also can cause joint fibrosis, the limited and componental movement impaired mechanical of joint motions.
3, with reference to Fig. 6, the operation that Dietrich in 2005 etc. fix with endobutton under describing arthroscope, provide more effective constant intensity, but this Therapeutic Method relative complex, cost are high again, there is the possibility of colliding with its hetero-organization in the endobutton implanted, needs second operation to take out the metal object implanted.
Utility model content
In order to address these problems, this utility model provides a kind of string bag device for the treatment of ACL tibia stop avulsion fracture, described string bag device comprises net bag-shaped fixed structure, the periphery of described net bag-shaped fixed structure is at least fixedly connected with three groups of traction static lines, described net bag-shaped fixed structure is for covering fracture site; Many groups of described traction static lines are stretched out by the osseous tunnel that tibia is arranged and are fixed together, and avulsion ligament is pressed on tibia by described net bag-shaped fixed structure.
Preferably, described net bag-shaped fixed structure and traction static line all adopt ultra-high molecular weight polyethylene suture to make.
Preferably, the diameter of described ultra-high molecular weight polyethylene suture is not less than 0.5mm.
Preferably, the span of described traction static line length is 30-60cm.
Preferably, described net bag-shaped fixed structure ovalize or polygonal ring shape structure.
Preferably, triangular in shape or the tetragon of described net bag-shaped fixed structure, each summit place of triangle or network of quadrilaterals pocketed fixed structure is all connected with one group of traction static line, and each summit place of triangle or tetragon pocketed fixed structure is provided with the node for reinforcing sizing.
Preferably, described net bag-shaped fixed structure is tetragon, and the inside of network of quadrilaterals pocketed fixed structure is provided with the intersection tetragon string bag in intersection suture formation one.
Preferably, described net bag-shaped fixed structure is the figure of eight.
Preferably, described net bag-shaped fixed structure is in " district " font.
This utility model, owing to adopting above technical scheme, makes it compared with prior art, has following advantage and good effect:
The string bag device of the treatment ACL tibia stop avulsion fracture that this utility model provides, string bag device directly covers on ligament avulsion position, can not damage ligament and joint, decreases the generation of postoperative bad risk; In addition, the string bag device adopting this utility model to provide greatly reduces operating difficulty, and adopts ultra-high molecular weight polyethylene suture to make, and cost is low, takes out implant without the need to carrying out second operation.
Accompanying drawing explanation
By reference to the accompanying drawings, by detailed description hereafter, above-mentioned and other feature and advantage of the present utility model more clearly can be understood, wherein:
Fig. 1 is the structural representation of I type ACL tibia stop avulsion fracture;
Fig. 2 is the structural representation of II type ACL tibia stop avulsion fracture;
Fig. 3 is the structural representation of III A type ACL tibia stop avulsion fracture;
Fig. 4 is the structural representation of III Type B ACL tibia stop avulsion fracture;
Fig. 5 is the schematic diagram that in prior art, suture is fixing;
Fig. 6 is the schematic diagram that in prior art, endobutton is fixing;
Fig. 7 is the schematic diagram that in prior art, screw is fixing;
Fig. 8 is the structural representation of string bag device in this utility model embodiment one;
Fig. 9 for this utility model embodiment one provide in the scheme of installation of string bag device;
Figure 10 is the structural representation one of string bag device in this utility model embodiment two;
Figure 11 is the structural representation two of string bag device in this utility model embodiment two;
Figure 12 is the structural representation three of string bag device in this utility model embodiment two;
Figure 13 is the structural representation four of string bag device in this utility model embodiment two;
Figure 14 is the scheme of installation of string bag device in this utility model embodiment two;
Figure 15 is the structural representation of string bag device in this utility model embodiment three;
Figure 16 is the structural representation of string bag device in this utility model embodiment four.
Detailed description of the invention
See the accompanying drawing that this utility model embodiment is shown, hereafter in more detail this utility model will be described.But this utility model can realize in many different forms, and should not be construed as by the restriction in the embodiment of this proposition.On the contrary, it is abundant and complete open in order to reach for proposing these embodiments, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may be exaggerated size and the relative size in layer and region.
For existing treated via arthroscope III type familial combined hyperlipidemia ACL stop avulsion fracture, have that suture is fixing easily causes cutting ligament, make ligament injury and joint fibrosis, screw and suture are fixedly only applicable to big bone, screw and button fixedly need second operation to take out and the defects such as complexity of performing the operation, this utility model provides the string bag device of a kind for the treatment of III type familial combined hyperlipidemia ACL tibia stop (tibial intercondylar eminence) avulsion fracture, this string bag device effectively can solve above-mentioned technological deficiency on the basis ensureing therapeutic effect, and simplifies operation process and operation cost.
Concrete, this string bag device includes a net bag-shaped fixed structure, the periphery of net bag-shaped fixed structure is at least fixedly connected with three groups of traction static lines, net bag-shaped fixed structure is used for pushing down fixing avulsion ligament, many groups of traction static lines are fixed together after extending lateral of tibia through the osseous tunnel that tibia is arranged, and the avulsion portion of avulsion ligament is pressed on tibia by net bag-shaped fixed structure.
Wherein, net bag-shaped fixed structure can be ellipse, triangle, tetragon or other polygons, and can be rule polygon also can be irregular polygon; The concrete shape of net bag-shaped fixed structure is not restricted herein, can set as the case may be, as long as the avulsion portion that guarantee net bag-shaped fixed structure can cover ligament makes it fix, the span of the area coverage of net bag-shaped fixed structure is 25 to 400mm under normal circumstances
2.Net bag-shaped fixed structure can be frame structure, and middle Sutureless is arranged, and also can arrange intersection suture in the inside of net bag-shaped fixed structure, with reinforcing mat pocketed fixed structure to the fixed effect of avulsion ligament.
Wherein, the periphery of preferred net bag-shaped fixed structure is provided with the traction static line of three groups or four groups, often group traction static line at least includes a traction static line; The group number of certain traction static line and the radical often organized are not restricted herein, can set as the case may be; In addition, the length value preferably 30-60cm of static line is drawn.One end of traction static line is fixedly attached on the periphery of net bag-shaped fixed structure, and the other end stretches out through after the osseous tunnel on tibia, and is fixed organizing traction static line by modes such as knottings in tibia outside more.
When net bag-shaped fixed structure is the polygonized structure of triangle or tetragon etc. time, each polygon vertex place is connected to one group of traction static line, and each polygon vertex place is also provided with node; This utility model by arranging node on polygon vertex, thus makes the shape not malleable of net bag-shaped fixed structure; Concrete, when net bag-shaped fixed structure is pressed on avulsion ligament by traction static line time, make net bag-shaped fixed structure not yielding, be conducive to reducing postoperative bad amount at risk and occur.
The net bag-shaped fixed structure that this utility model provides and traction static line, all adopt ultra-high molecular weight polyethylene (UHMWPE) suture to make, the diameter of preferred suture is not less than 0.5mm.This utility model adopts ultra-high molecular weight polyethylene suture to make, after sufferer is replied without the need to, suture and human body merge, without the need to dermal sutures out, while lower relative to equipment costs such as screws of the prior art.
This utility model provides the string bag device of a kind for the treatment of III type familial combined hyperlipidemia ACL tibia stop (tibial intercondylar eminence) avulsion fracture, and its operation principle is as follows:
Drill through n osseous tunnel (number that arranges of osseous tunnel arranges number n ' to determine according to traction static line) at 2 ~ 3mm place, both sides of astragalus folded block, osseous tunnel retains the bone bridge of 5 ~ 10mm between two; To fix the string bag with guide pin through an osseous tunnel brings in articular cavity with all the other n '-1 groups traction static line, again other n '-1 group traction static line is taken out of from other osseous tunnel, the traction static line of one group or two groups can be passed in one of them osseous tunnel, be not restricted herein; Launch the string bag and be covered in fracture site, fracture site being resetted, outside joint, strains traction static line, seeing under arthroscope that the reduction of the fracture is good, go down on one's knees 30 °, the outer suture knotting of osseous tunnel ligament tibia end.
The string bag device of the treatment ACL tibia stop avulsion fracture that this utility model provides, string bag device directly overlays ligament avulsion position, can not damage ligament and joint, decreases the generation of postoperative bad risk; In addition, the string bag device adopting this utility model to provide greatly reduces operating difficulty, and adopts ultra-high molecular weight polyethylene suture to make, and cost is low, takes out implant without the need to carrying out second operation.
Below with regard to specific embodiment, the string bag device of the ACL tibia stop avulsion fracture that further instruction this utility model provides:
Embodiment one
With reference to Fig. 8, string bag device comprises net bag-shaped fixed structure 1 and traction static line 2, fixed structure 1 is triangular in shape in the present embodiment, and three of triangle fixed structure summits is all fixedly connected with one group of traction static line 2, and three summits of triangle fixed structure are also provided with node 3; Wherein, often group traction static line 2 includes two sutures.
With reference to Fig. 9, the operation principle of the triangle string bag device that further instruction the present embodiment provides:
3 osseous tunnels are drilled through at 2 ~ 3mm place, both sides of astragalus folded block, osseous tunnel retains the bone bridge of 5 ~ 10mm between two, with guide pin through an osseous tunnel by the fixing string bag and wherein two groups traction static lines bring in articular cavity, again other two groups traction static lines are taken out of from another two osseous tunnels, launch the string bag and be covered on the ligament 4 of fracture site; In the present embodiment, triangle string bag device is when covering fracture site, and a preferred one drift angle is positioned at the front-end A place of avulsion ligament 4, and another two drift angles are positioned at the both sides of avulsion ligament 4 rear end B.
Embodiment two
With reference to Figure 10-13, string bag device comprises net bag-shaped fixed structure 1 and traction static line 2, fixed structure 1 is in tetragon in the present embodiment, and four of tetragon fixed structure summits are all fixedly connected with one group of traction static line 2, four summits of tetragon fixed structure are also provided with node 3; Wherein, often group traction static line 2 includes two sutures.
Wherein, network of quadrilaterals pocketed fixed structure can be rectangle, and as shown in Figure 10, the inside of rectangle net pocketed fixed structure arranges interior intersection suture, is all connected with suture, as shown in Figure 11 between concrete relative drift angle.
Wherein, network of quadrilaterals pocketed fixed structure can also be trapezoidal, as shown in Figure 12; The inside of ladder net pocketed fixed structure arranges interior intersection suture, is all connected with suture, as shown in Figure 13 between concrete relative drift angle.
With reference to Figure 14, the operation principle of the triangle string bag device that further instruction the present embodiment provides:
4 osseous tunnels are drilled through at 2 ~ 3mm place, both sides of astragalus folded block, osseous tunnel retains the bone bridge of 5 ~ 10mm between two, with guide pin through an osseous tunnel by the fixing string bag and wherein three groups traction static lines bring in articular cavity, again other three groups traction static lines are taken out of from another three osseous tunnels, launch the string bag and be covered on the ligament 4 of fracture site; In the present embodiment, time rectangle string bag device covers fracture site, two drift angles are positioned at the both sides of the front-end A of avulsion ligament 4, and two other drift angle is positioned at the both sides of avulsion ligament 4 rear end B; When for the trapezoidal string bag fixed structure time, preferably two drift angles on its narrow limit are positioned at the both sides of the front-end A of avulsion ligament 4, and two drift angles of broadside are positioned at the both sides of avulsion ligament 4 rear end B.
Embodiment three
With reference to Figure 15, string bag device comprises net bag-shaped fixed structure 1 and traction static line 2, fixed structure 1 is in the present embodiment " 8 " font irregular polygon structure, and " 8 " two summits of the top of font net bag-shaped fixed structure and two following summits are all fixedly connected with one group of traction static line 2, " 8 " four summits of font net bag-shaped fixed structure and interstitial chiasma point are also provided with node 3; Wherein, often group traction static line 2 includes two sutures.
Embodiment four
Reference Figure 16, string bag device comprises net bag-shaped fixed structure 1 and traction static line 2, and fixed structure 1 is one " district " character form structure in the present embodiment, is made up of intersection suture 102 and three sutures 102 be arranged on intersection suture 101 3 side; Intersect suture 102 cross point on be provided with node, three sutures 102 with intersect suture 102 four points of connection on be also provided with node; Wherein, often group traction static line 2 includes two sutures.
The specific constructive form of string bag device is not limited to and provides in above-mentioned four embodiments, can do corresponding adjustment as the case may be; Manufacture method below with regard to the string bag device provided in the various embodiments described above is described further.
(1) manufacture method of triangle string bag device:
1, the suture (diameter is not less than 0.5mm) preparing 3 length 100cm is for subsequent use;
2, take out wherein 2 sutures, doubling is tied a knot;
3, take out the 3rd suture, walk around the 3rd suture by after 2 suture doublings above, latched position of tiing a knot after determining position, then to tie a knot respectively fixation in front two suture lockings place with the 3rd suture;
4, by the 3rd suture, doubling, determine position beat binode fix.
(2) manufacture method of tetragon string bag device:
Method one
1, the suture (diameter is not less than 0.5mm) preparing 4 length 100cm is for subsequent use;
2, wherein 2 sutures are taken out, doubling;
3, take out the 3rd suture, by above 2 the 3rd suture is walked around to the suture rolled well, latched position of tiing a knot after determining position, then to tie a knot respectively fixation in front two suture lockings place with the 3rd suture;
4, the 4th suture doubling is walked around one end of the 3rd suture, latched position of tiing a knot after determining position, then with the 3rd suture the 4th suture locking place knotting fixation;
5, by the 3rd suture, doubling, determine position beat binode fix.
Method two
1, the suture (diameter is not less than 0.5mm) preparing 4 length 100cm is for subsequent use;
2, take out any two sutures, after doubling, beat unijunction in centre;
3, the 3rd suture is taken out, by it with suture knotting any in step 2; Node is positioned at the centre position of the 3rd suture, should determine the spacing of adjacent two nodes before knotting;
4, the 4th suture is taken out, by it with suture knotting other in step 2; Node is positioned at the centre position of the 4th suture, should determine the spacing of adjacent two nodes before knotting;
5, together with tiing a knot the 3rd with the 4th any one end of suture again, the spacing of adjacent two nodes should before knotting, be determined.
(3) crossing net pocketed fixture in tetragon, " 8 " manufacture method of font net bag-shaped fixture and " district " font shape net bag-shaped fixture:
1, the suture (diameter is not less than 0.5mm) preparing 6 length 100cm is for subsequent use;
2, take out wherein 2 sutures, a suture doubling is walked around the centre position of another root suture, by first knotting latched position, then with the 2nd suture in front 1 suture locking place knotting fixation;
3, take out the 3rd suture, the either end of 2 sutures is above walked around the 3rd suture, latched position of tiing a knot after determining position to what roll well respectively, then to tie a knot respectively fixation in front two suture lockings place with the 3rd suture;
4, the 4th suture is taken out, the other end of 2 sutures is above walked around the 4th suture to what roll well respectively, to tie a knot after determining position latched position, then to tie a knot respectively fixation in front two suture lockings place with the 4th suture, the figure of eight string bag can be obtained;
5, the 5th suture and figure of eight string bag open at one end are tied a knot, " district " font string bag can be arrived;
5th suture and the figure of eight string bag opening other end are tied a knot by 6, can arrive the interior intersection tetragon string bag.
Those skilled in the art should be understood that this utility model can realize with other concrete forms many and not depart from spirit or scope of the present utility model.Although described embodiment of the present utility model, this utility model should be understood and should not be restricted to these embodiments, within this utility model spirit and scope that those skilled in the art can define as appended claims, make change and amendment.
Claims (9)
1. treat the string bag device of ACL tibia stop avulsion fracture for one kind, it is characterized in that, described string bag device comprises net bag-shaped fixed structure, and the periphery of described net bag-shaped fixed structure is at least fixedly connected with three groups of traction static lines, described net bag-shaped fixed structure is for covering fracture site; Many groups of described traction static lines are stretched out by the osseous tunnel that tibia is arranged and are fixed together, and avulsion ligament is pressed on tibia by described net bag-shaped fixed structure.
2. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 1, it is characterized in that, described net bag-shaped fixed structure and traction static line all adopt ultra-high molecular weight polyethylene suture to make.
3. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 2, it is characterized in that, the diameter of described ultra-high molecular weight polyethylene suture is not less than 0.5mm.
4. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 1, it is characterized in that, the span of described traction static line length is 30-60cm.
5. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 1, is characterized in that, described net bag-shaped fixed structure ovalize or polygonized structure.
6. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 5, it is characterized in that, triangular in shape or the tetragon of described net bag-shaped fixed structure, each summit place of triangle or network of quadrilaterals pocketed fixed structure is all connected with one group of traction static line, and each summit place of triangle or tetragon pocketed fixed structure is provided with the node for reinforcing sizing.
7. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 6, it is characterized in that, described net bag-shaped fixed structure is tetragon, and the inside of network of quadrilaterals pocketed fixed structure is provided with the intersection tetragon string bag in intersection suture formation one.
8. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 5, it is characterized in that, described net bag-shaped fixed structure is the figure of eight.
9. the string bag device for the treatment of ACL tibia stop avulsion fracture according to claim 5, it is characterized in that, described net bag-shaped fixed structure is in " district " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585651.1U CN205019143U (en) | 2015-08-06 | 2015-08-06 | String bag device of treatment ACL shin bone stop avulsion fracture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585651.1U CN205019143U (en) | 2015-08-06 | 2015-08-06 | String bag device of treatment ACL shin bone stop avulsion fracture |
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| CN205019143U true CN205019143U (en) | 2016-02-10 |
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| CN201520585651.1U Active CN205019143U (en) | 2015-08-06 | 2015-08-06 | String bag device of treatment ACL shin bone stop avulsion fracture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105147373A (en) * | 2015-08-06 | 2015-12-16 | 上海凯利泰医疗科技股份有限公司 | Net bag device for treating ACL tibial avulsion fracture |
| CN105919660A (en) * | 2016-05-30 | 2016-09-07 | 袁振 | Fracture block fixing device and method for fixing fracture block |
-
2015
- 2015-08-06 CN CN201520585651.1U patent/CN205019143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105147373A (en) * | 2015-08-06 | 2015-12-16 | 上海凯利泰医疗科技股份有限公司 | Net bag device for treating ACL tibial avulsion fracture |
| CN105919660A (en) * | 2016-05-30 | 2016-09-07 | 袁振 | Fracture block fixing device and method for fixing fracture block |
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Address after: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 2 floor. Patentee after: Shanghai Kinetic Medical Co., Ltd. Address before: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 1 floor. Patentee before: Shanghai Kinetic Medical Co., Ltd. |