CN103340681A - Tibia grooving machine for full arthroscopic Inlay reconstruction of posterior cruciate ligament - Google Patents
Tibia grooving machine for full arthroscopic Inlay reconstruction of posterior cruciate ligament Download PDFInfo
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- CN103340681A CN103340681A CN2013102685507A CN201310268550A CN103340681A CN 103340681 A CN103340681 A CN 103340681A CN 2013102685507 A CN2013102685507 A CN 2013102685507A CN 201310268550 A CN201310268550 A CN 201310268550A CN 103340681 A CN103340681 A CN 103340681A
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- tibia
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- cruciate ligament
- posterior cruciate
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Abstract
The invention discloses a tibia grooving machine for full arthroscopic Inlay reconstruction of the posterior cruciate ligament. The tibia grooving machine comprises a grooving knife box, a connecting rod and a sliding weight. The grooving knife box comprises a rectangular end surface. Knife-edge-shaped flanges are arranged on the four edges of the rectangular end surface and face outwards in the axial direction. A threaded hole is formed in the central area of rectangular end surface of the grooving knife box in the axial direction. One end of the connecting rod is provided with external threads which are matched with the threaded hole. The other end of the connecting rod is connected with the sliding weight. The tibia grooving machine enables full arthroscopic tibia Inlay grooving to be simple and easy to operate, and the bone to bone knitting effect is good after reconstruction. When the tibia grooving machine is matched with a corresponding screw, stable fixation can be achieved, rotation can be effectively controlled, and the bone-to-bone knitting effect is facilitated, and the clinical effect of reconstruction of the posterior cruciate ligament is improved.
Description
Technical field
The present invention relates to medical apparatus and instruments, relate in particular to the tibia notcher of Inlay technology reconstruction posterior cruciate ligament under a kind of total joint mirror.
Background technology
Development along with arthroscopic techniques, posterior cruciate ligament is rebuild the standard art formula that has become the back vent ligament injury under the arthroscope, but owing to dissect configuration and reconstruction technique complexity, posterior cruciate ligament is rebuild and is not obtained as the effective and constant clinical effectiveness of Healing in Anterior Cruciate Ligament Reconstruction.At present one of principal focal point is exactly tibia end Inlay technology and through the tibial tunnel technology.Through the tibial tunnel technology, graft is walked around the trailing edge of platform under traditional arthroscope, forms a tangible acute angle in the wings, is called " killer angle ", and this angle may be one of reason that causes operative failure.In order to solve this theoretic defective, Bergfeld etc. have proposed tibia end Inlay technology.The Inlay technology has been eliminated " killer's turning ", has avoided the wearing and tearing of graft, reduces the tension force of graft, thereby prevents that it is lax.After having confirmed to use the Inlay technology, research obtained suitable success rate.But traditional Inlay technology is to carry out under the situation of open surgery, therefore there are the extensive incision of two obvious defects: Yi Shi popliteal nests and the incision of rear joint capsule, the rear that can influence any one flexion angle of knee joint is lax, the 2nd, need changing position in the art, operation inconvenience has prolonged the time of operation.Tibia Inlay technology under the total joint mirror is rebuild posterior cruciate ligament, when overcoming " killer angle " in theory, has also overcome possible complication and the conversion of the position in the art that the incision technology is brought.Some studies show that, the stability that tibia Inlay technology reconstruction posterior cruciate ligament can obtain and open Inlay technology reconstruction posterior cruciate ligament is equal under the total joint mirror, can avoid simultaneously the danger of cutting operation, but main difficult point is to lack corresponding supporting apparatus, makes not matching of the bone groove complicated operation at tibia rear, time-consuming, effort, graft and bone groove and fixedly owes firm at the total joint mirror.
Mariani etc. [1] have reported that the earliest tibia Inlay technology is rebuild posterior cruciate ligament under the total joint mirror, they use the apparatus that is similar to the evil spirit brill to carry out the foundation of graft bone groove, then with using suture that graft bone piece is fixed on the tibial plateau trailing edge posterior cruciate ligament stop, but in the foundation of the bone groove of tibia, easily cause not matching, fixing not firm yet, influence the healing of bone one bone interface.Kim etc. [2] have also described Inlay technology two-beam reconstruction posterior cruciate ligament under the total joint mirror, this technology is conventional to be set up through tibial tunnel, directly be implanted into corresponding cylindric graft bone piece (diameter 10mm) then in tunnel face, tibia rear, the use extrusion screw is fixed, the tubular bone piece bone one tendon contact area of this technology is less than normal, the inefficacy of graft may appear, and in the process formulated of tunnel the tibia bone loss too much and the tubular bone piece may be extruded screw and squeeze broken or fracture.[3] such as domestic Liu's snowy peaks adopt homemade tibia rear to make the tunnel drilling tool, and to be polished into columned bone at the tibia stop damaged, then with the fixing bone graft piece of suture, obtained good short term effect, but it is fixing not firm still to exist, the foundation of bone graft piece also exists easily and does not match and less than normal, influences the healing of bone one bone interface.Jiang Xuefeng etc. [4] adopt the homemade apparatus of improvement damaged at the bone that the tibia rear of cadaver sample is made into cone-shaped, then with the fixing bone graft piece of suture, but it is fixing not firm still to exist, and the foundation of bone graft piece also exists easily and do not match and less than normal, and does not obtain clinical confirmation.In addition, fix not firm then uncontrollable rotation if columned bone graft piece is transplanted the back, might change the stress of the posterior cruciate ligament of reconstruction, cause graft to lose efficacy.
[1].Mari?PP?Marghedtini?F?FulI?arthroscopic?inlay?reconstruction?of?posterior?cruciate?ligament．Knee?Surg?Sports
TraumatoI?Arthrosc.2006,14(11):1038-1044。
[2].Kim?SJ,Kim?TE,Jo?SB,et?aI.Comparison?of?the?ClinicaI?Results0f?Three?Posterior?Cruciate?Ligament?Reconstruction?Techniques.J?Bone?Joint?Surg?Am.2009,91(11):2543-2549。
[3]. Liu Xuefeng, Lian Yongyun, king roc etc. tibia Inlay technology is rebuild the short term effect of posterior cruciate ligament under the arthroscope. Chinese journal of orthopedics .2012,32 (2): 116-122.
[4]. Jiang Xuefeng, Yang Huiguang, Zhang Yun's celebrating etc. the experimentation that tibia Inlay technology is rebuild posterior cruciate ligament under the improvement total joint mirror. Chinese journal of orthopedics .2012,31 (3): 260-264.
Summary of the invention
The present invention aims to provide provides a kind of new tibia notcher that is used for Inlay technology reconstruction posterior cruciate ligament under the total joint mirror, make under the total joint mirror tibia Inlay technology fluting seem simple and healing effect good, cooperate corresponding screw to fix and then can obtain stable fixing, and can control rotation, promote bone-knitting, improve the clinical efficacy that posterior cruciate ligament is rebuild.
For achieving the above object, the present invention realizes by the following technical solutions:
The Inlay technology is rebuild the tibia notcher of posterior cruciate ligament under a kind of total joint mirror disclosed by the invention, comprises necking tool box, connecting rod, sliding hammer; Described necking tool box comprises a rectangle end face, four limits of described rectangle end face are provided with in axial direction outside edge of a knife shape flange, the necking tool box is provided with vertically screwed hole at rectangle end face middle section, one end of connecting rod is provided with the external screw thread suitable with screwed hole, and the other end of connecting rod connects sliding hammer.
Preferably, described sliding hammer one end and connecting rod end are interlocked, and its other end is provided with baffle plate, and the interlude of sliding hammer is guide post, is with sliding shoe on the guide post, and sliding shoe can slide and the contact baffle plate along guide post, and guide post is parallel with connecting rod.
Preferably, described rectangular end face width is 10～20mm, and length is 10～25mm, and described edge of a knife shape flange height is 0.6～1.2mm.
Preferably, described screwed hole is penetrating hole, and its diameter is 3.0 ± 0.2mm.
Preferably, described connecting rod passes screwed hole and partly is connected with nut.
Further, it is suitable that described connecting rod connects shape and the electric drill of sliding an end of hammering into shape, in order to connect smoothly in the art.
The invention enables under the total joint mirror tibia Inlay technology fluting to seem simple and healing effect good, cooperate that corresponding screw is fixing then to be obtained stable fixingly, and can control rotation, promotion bone-knitting, the clinical efficacy of raising posterior cruciate ligament reconstruction.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Among the figure: 1-necking tool box, 2-connecting rod, the sliding hammer of 3-, 4-rectangle end face, 5-screwed hole, 6-edge of a knife shape flange, 7-sliding shoe, 8-guide post, 9-baffle plate, 10-nut.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is further elaborated.
As Fig. 1, shown in Figure 2, the Inlay technology is rebuild an embodiment of the tibia notcher of posterior cruciate ligament under the total joint mirror disclosed by the invention, comprises necking tool box 1, connecting rod 2, sliding hammer 3; Necking tool box 1 comprises a rectangle end face 4, there is in axial direction outside edge of a knife shape flange 6 on four limits of the end face of rectangle end face 4, edge of a knife shape flange 6 surrounds closed rectangular, it is wide to be 10～20mm, length is 10～25mm, edge of a knife shape flange 6 highly is 0.6～1.2mm, rectangle end face 4 middle sections arrange the screwed hole vertically 5 that diameter is 3.0 ± 0.2mm in necking tool box 1, screwed hole 5 penetrates necking tool box 1, necking tool box 1 outer surface can be divided into two sections, one section near rectangle end face 4 is the rectangle outer surface, is the hexagon surface away from a section of rectangle end face 4; The external screw thread that one end setting of connecting rod 2 and the female thread of screwed hole 5 are suitable, in case of necessity connecting rod 2 is passed screwed hole 5, and on the connecting rod 2 that passes screwed hole 5 places attaching nut 10, connecting rod 2 and screwed hole 5 place's screw thread stripped threads when anti-on-slip hammer 3 knocks, the other end of connecting rod 2 connects sliding hammer 3, and connecting rod 2 also is designed to be fit to be connected electric drill with the shape of the link of sliding hammer 3 simultaneously; The other end that sliding hammer 3 one ends are fastened on connecting rod 2 forms and connects, and its other end is provided with baffle plate 9, and the interlude of sliding hammer 3 is guide post 8, is with sliding shoe 7 on the guide post 8, and sliding shoe 7 can slide and contact baffle plate 9 along guide post 8; After sliding hammer 3 and connecting rod 2 being connected, guide post 8 is parallel with connecting rod 2.
When the present invention uses, earlier with the common tibia back vent stop localizer stop of having good positioning, routine is carried out soft tissue and the periosteum glass at back vent stop place then, along under the guiding of localizer by squeezing into Kirschner wire behind the tibia forward direction, and expand marrow to diameter 3.5mm, insert the connecting rod 2 of diameter 3.0mm then along the tunnel, under Arthroscopic supervision, send into necking tool box 1, connecting rod 2 tail ends connect the high speed electric drill, the rotation of high speed electric drill makes connecting rod 2 external screw thread ends be connected with screwed hole 5, connect the back that puts in place and take off the high speed electric drill from connecting rod 2 tail ends, be inserted in sliding hammer 3, use sliding hammer 3 to knock along connecting rod 2 afterbodys with parallel connecting rod 2 directions, make the far-end necking tool box 1 tibia rear stop bone groove of slotting out smoothly, bore to assist take out the free bone piece in fluting back with crooked osteotome or evil spirit again, the bone graft piece for preparing according to the big young pathbreaker of necking tool embeds the bone groove and is fixed then.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (6)
1. the Inlay technology is rebuild the tibia notcher of posterior cruciate ligament under the total joint mirror, it is characterized in that: comprise necking tool box (1), connecting rod (2), sliding hammer (3); Described necking tool box (1) comprises a rectangle end face (4), four limits of described rectangle end face (4) are provided with in axial direction outside edge of a knife shape flange (6), necking tool box (1) is provided with vertically screwed hole (5) at rectangle end face (4) middle section, one end of connecting rod (2) is provided with the external screw thread suitable with screwed hole (5), and the other end of connecting rod (2) connects sliding hammer (3).
2. the Inlay technology is rebuild the tibia notcher of posterior cruciate ligament under the total joint mirror according to claim 1, it is characterized in that: described sliding hammer (3) one ends and connecting rod (2) end are interlocked, its other end is provided with baffle plate (9), the interlude of sliding hammer (3) is guide post (8), be with sliding shoe (7) on the guide post (8), sliding shoe (7) can slide and contact baffle plate (9) along guide post (8), and guide post (8) is parallel with connecting rod (2).
3. the Inlay technology is rebuild the tibia notcher of posterior cruciate ligament under the total joint mirror according to claim 1, it is characterized in that: the wide 10～20mm of being of described rectangle end face (4), and length is 10～25mm, described edge of a knife shape flange (6) highly is 0.6～1.2mm.
4. the Inlay technology is rebuild the tibia notcher of posterior cruciate ligament under the total joint mirror according to claim 1, and it is characterized in that: described screwed hole (5) is penetrating hole, and its diameter is 3.0 ± 0.2mm.
5. the Inlay technology is rebuild the tibia notcher of posterior cruciate ligament under the total joint mirror according to claim 4, and it is characterized in that: described connecting rod (2) passes screwed hole (5) part and is connected with nut (10).
6. the Inlay technology is rebuild the tibia notcher of posterior cruciate ligament under the total joint mirror according to claim 1, it is characterized in that: it is suitable that described connecting rod (2) connects shape and the high speed electric drill of an end of sliding hammer (3).
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| CN201310268550.7A CN103340681B (en) | 2013-06-28 | 2013-06-28 | Tibia grooving machine for full arthroscopic Inlay reconstruction of posterior cruciate ligament |
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| CN201310268550.7A CN103340681B (en) | 2013-06-28 | 2013-06-28 | Tibia grooving machine for full arthroscopic Inlay reconstruction of posterior cruciate ligament |
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| CN103340681B CN103340681B (en) | 2015-01-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106456195A (en) * | 2016-09-28 | 2017-02-22 | 张文涛 | Bone tunnel manufacturing device and method used for anterior cuciate ligament reconstruction |
| CN108433796A (en) * | 2018-04-17 | 2018-08-24 | 四川大学华西医院 | A kind of embedded bone block fixator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106456195A (en) * | 2016-09-28 | 2017-02-22 | 张文涛 | Bone tunnel manufacturing device and method used for anterior cuciate ligament reconstruction |
| WO2018058377A1 (en) * | 2016-09-28 | 2018-04-05 | 张文涛 | Device and method for preparing bone tunnel for anterior cruciate ligament reconstruction |
| CN106456195B (en) * | 2016-09-28 | 2019-12-06 | 张文涛 | Bone canal preparation device and method for anterior cruciate ligament reconstruction |
| CN108433796A (en) * | 2018-04-17 | 2018-08-24 | 四川大学华西医院 | A kind of embedded bone block fixator |
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| CN103340681B (en) | 2015-01-21 |
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