CN100360090C - Reverse squeezing fixing method and device for ligament - Google Patents
Reverse squeezing fixing method and device for ligament Download PDFInfo
- Publication number
- CN100360090C CN100360090C CNB2005100114520A CN200510011452A CN100360090C CN 100360090 C CN100360090 C CN 100360090C CN B2005100114520 A CNB2005100114520 A CN B2005100114520A CN 200510011452 A CN200510011452 A CN 200510011452A CN 100360090 C CN100360090 C CN 100360090C
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- China
- Prior art keywords
- ligament
- steel wire
- extrudate
- screwdriver
- bone
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 210000003041 ligament Anatomy 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title abstract description 26
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 60
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 abstract 5
- 210000002414 leg Anatomy 0.000 description 21
- 239000000463 material Substances 0.000 description 12
- 210000002303 tibia Anatomy 0.000 description 9
- 210000000689 upper leg Anatomy 0.000 description 6
- 239000000284 extract Substances 0.000 description 4
- 210000000629 knee joint Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 210000001264 anterior cruciate ligament Anatomy 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000002967 posterior cruciate ligament Anatomy 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 208000011708 Avulsion fracture Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 210000001306 articular ligament Anatomy 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The present invention relates to a reverse squeezing and fixing method for ligaments. The method comprises the following steps: a bone channel is formed on a bone with a ligament needing repairing, and a ligament substitute is implanted in the bone channel; a steel wire penetrates in the bone channel, and a squeezing substance penetrates on the steel wire; the tail end of the squeezing substance is fixedly provided with a fixed column; the steel wire is reversely tensioned to make the squeezing substance and the steel wire enter the bone channel together; the steel wire penetrates through a middle hole of a hollow screw driver, and the screw driver is screwed (inserted) in a middle hole of the squeezing substance; the screw driver is reversely dragged or reversely rotates to make the squeezing substance deeply arranged in the bone channel and squeeze the ligament substitute, and consequently, one end of the ligament substitute is fixed; the fixed column and the screw driver are disassembled, and the steel wire is withdrawn. The method of the present invention has the advantage of simple operation, a ligament can be effectively tensioned after fixation, and therefore, the reconstructed and repaired ligament has better tension.
Description
Technical field
The present invention relates to medical osteoarthrosis recovery technique and device, relate in particular to a kind of reverse ligament squeezing fixing method and device.
Background technology
In the orthopaedics clinical operation, usually run into the case that articular ligament is pulled or ruptured, the reparation ligament need undergo surgery.Usually, ligament repair is to adopt from ligament substitutes such as body, allosome or artificial tendons to sew up or be fixed to the intraarticular that needs to repair ligament, sews up then or fixed ligament substitute can grow into ligament with original substantially the same function through some complex processes.The fixed method of traditional ligament is in each brill bone hole, bone two ends that ligament connects, and pushes the fixedly two ends of ligament with screw, and the method for button is fixed in perhaps adopting, and the whole bag of tricks all has the defective of self.Such as, when adopting extrusion screw fixedly, extrusion screw can cause the ligament substitute more and more lax in ligament substitute direction implantable bone road process, and a lax ligament can not play the effect of normal ligament.So the tension force of the ligament of rebuilding is not enough, can not realize the function of original ligament.
In the surgical repair ligament, common kneed ligamentum cruciatum fracture.Forward and backward ligamentum cruciatum (claiming ligamentaum cruciatum again) is arranged in the knee joint, and anterior cruciate ligament plays the place ahead from intercondylar process of tibia, terminates in the inner face of femoral lateral condyle backward, upward, outward; Posterior cruciate ligament rise rear from intercondylar process of tibia, forward, upward, in terminate in the outside of femur internal malleolus, no matter knee joint is stretched or flexing, the front and back ligamentum cruciatum all is tense situation to a certain degree, anterior cruciate ligament can prevent that tibia from moving forward, and posterior cruciate ligament can prevent that tibia from moving backward.Ligamentum cruciatum fracture, or avulsion fracture of tibial spine has obvious displacement person, answers the surgical repair ligament.At present, in ligament repair clinical, adopt beaten the bone road respectively more on the skeleton of two ends, joint between the joint, with the fixing method of ligament of extrudate.The example that Fig. 1 rebuilds for the knee joint internal ligament.Ligament rapture between femur 1 and the tibia 2 need carry out ligament and rebuild.At first, cut skin of lower extremity and 7 one openings 8 of muscle, then, on femur 1 and tibia 2, respectively get a bone road 4, get a ligament substitute 3 that length is suitable again, plant into bone road 4, screw screw 51, extruding ligament substitute 3 with screwdriver 13.Can see, in the operation, screw screw 51 with screwdriver 13 earlier in the bone road 41 of femur, extruding ligament substitute 3 is fixed an end 31 of ligament substitute 3; The back screws screw 52 with screwdriver 13 in the bone road 42 of tibia, extruding ligament substitute 3 is fixed the other end 32 of ligament substitute 3.So just ligament substitute 3 can be fixed in the bone road 4.
But, in the said method, after an end 31 of ligament substitute 3 is fixed, when fixing its other end 32, along with the direction precession of screw 52 to arrow 100 with screw 52 extruding ligament substitutes 3, can shrink to the direction of arrow 100 simultaneously by extruding ligament substitute 3, like this, after the other end 32 of ligament substitute 3 is fixed, not tension of ligament substitute 3, the tension force of ligament substitute 3 is reduced, and lax ligament substitute can not play the effect of original ligament.Serious, knee joint each other can not be involutory well, and thigh can not effectively drive shank, has sensation unable to do what one wishes.
Summary of the invention
The object of the present invention is to provide a kind of reverse ligament squeezing fixing method and device, solve the problem that said method exists, method of the present invention is simple to operate, and fixedly opisthodetic ligament can effectively be strained, thereby makes tough after the reparation have very strong tension force.
In order to achieve the above object, the invention discloses a kind of reverse ligament squeezing fixing method, when being used to rebuild ligament the extruding of ligament substitute is fixed in the bone road, comprise the steps:
Step 1 is got the bone road on the two ends skeleton of needs reparation ligament, get a ligament substitute again, the implantable bone road;
Step 3, fixed leg on extrudate tail end on the steel wire that passes is fixing;
Step 4, oppositely taut wire makes extrudate enter the bone road together and begins to push the ligament substitute;
Step 5, steel wire are passed the mesopore of the screwdriver of hollow, and screwdriver revolves the mesopore that (inserting) goes into extrudate, and reverse rotation/tractive extrudate enters the bone road, extruding ligament substitute, thus an end of ligament substitute is fixed;
In the described step 2, steel wire penetrates from the little end of the diameter of extrudate, and an end big from diameter passes.
In the described step 3, with internal thread steel wire and fixed leg being rigidly connected is one.
In the described step 3, on the steel wire that the afterbody of screwdriver exposes, increase a fixed leg, prevent the screwdriver slippage.
The invention also discloses a kind of reversion ligament extrusion fixation device, when being used to rebuild ligament the extruding of ligament substitute is fixed in the bone road, at least comprise: steel wire, extrudate, fixed leg, screwdriver, described extrudate, screwdriver are hollow structure, described steel wire passes extrudate, described fixed leg is fixed on the described steel wire in the end of extrudate, and described screwdriver inserts in extrudate, and the extruding of reverse rotation tractive extrudate is ligament fixedly.
Described extrudate is the cone or the frustum of a cone of hollow.
The inwall of the described cone or the frustum of a cone has female thread, and outer wall is a taper seat.
The outer wall of the described cone or the frustum of a cone has screw thread, and inwall is triangular prism or cube rod or six prisms.
The cutter head of described screwdriver is and cone or frustum of a cone mesopore inwall corresponding shape.
Described fixed leg also comprises internal thread, and internal thread is rigidly connected steel wire and fixed leg and is one.
Method of the present invention is simple to operate, and fixedly opisthodetic ligament can effectively be strained, thereby makes tough after the reparation have very strong tension force.
Description of drawings
Fig. 1 is existing ligament squeezing fixing method sketch map;
Screw and the screwdriver sketch map of Fig. 2 for using in the existing ligament squeezing fixing method;
Fig. 3 is the structural representation of the steel wire of band fixed leg of the present invention;
Sketch map when Fig. 4 begins for reversion ligament extrusion fixation device of the present invention;
Fig. 5 is the sketch map of reversion ligament extrusion fixation device pilot process of the present invention;
Fig. 6 is the sketch map after reversion ligament extrusion fixation device of the present invention is finished;
Fig. 7 is extrudate profile of the present invention and screwdriver sketch map;
Fig. 8 is another extrudate profile sketch map of the present invention;
Fig. 9, Figure 10, Figure 11 are the cross-sectional view of extrudate of the present invention.
The specific embodiment
On two ends, the joint skeleton of needs reconstruction ligament, respectively bore a bone road, with ligament substitute implantable bone road.One end of ligament substitute can be fixed according to a conventional method.The other end must be fixed as follows: wear steel wire more to the marrow in the road from bone road collar extension, extract steel wire out through bone road internal orifice, put on the extrudate (screw or bone material etc.) of hollow on steel wire; Lay one piece of fixed leg fixed press thing tail end on the steel wire; At the reverse tractive steel wire of bone road collar extension, make extrudate enter the bone road with steel wire, the screwdriver of hollow (cutter head is that triangular prism or cube rod or six prismaticly adapt with the extrudate hollow shape) is inserted in steel wire, cutter head inserts in the extrudate hollow core, lays another piece fixed leg fixed screw cutter tail end on the steel wire.Rotation (or oppositely knock to bone road collar extension) screwdriver drives extrudate (oppositely) and enters in the bone road, the ligament substitute of transplanting in the extruding bone road, until extrudate the ligament substitute of transplanting is produced enough extruding forces, the ligament substitute card of transplanting is invested till the bone road wall, thereby ligament is fixed; Collar extension unloads fixed leg and screwdriver from the bone road, extracts steel wire out through bone road internal orifice, and extrudate is kept somewhere in the bone road.
Referring to Fig. 1,3,4.In clinical, all preparations before at first undergoing surgery, implement subordinate's operating procedure then:
Step 1, rebuild on two ends, the joint skeleton of ligament at needs according to prior art, such as respectively boring a bone road 4 on femur 1 and the tibia 2, get a transplanting ligament substitute 3 that length is suitable, implantable bone road 4, screwdriver rotates forward, sees Fig. 2, make extrudate (screw or bone material etc.) 51 advance and push ligament substitute 3, thereby an end 31 of ligament substitute 3 is fixed along rightabout shown in the arrow 120.
Step 3, on the steel wire 11 that passes, put on one piece of fixed leg, 9 fixed press thing tail ends, and with internal thread 10 steel wire and fixed leg 9 are rigidly connected and are one, fixed leg can be cylinder, vertically penetrates steel wire, one end of fixed leg is a groove structure, internal thread can screw in the groove, props up steel wire and compresses, and sees Fig. 3,4.
Step 4 along direction shown in the arrow 140, at the reverse tractive steel wire 11 of bone road collar extension, because the effect of fixed leg 9, makes extrudate (screw or bone material etc.) 12 enter the bone road with steel wire, begins to push ligament substitute 3 and bone road 42, sees Fig. 4.
Step 5, steel wire 11 are passed the mesopore of the screwdriver 13 of hollow, see Fig. 5, and screwdriver 13 is seen Fig. 7 along the mesopore of the screw-in extrudate of direction shown in the arrow 170 (screw or bone material etc.) 12.In order to make the screwdriver 13 can slippage in operation, on the steel wire 11 that the afterbody of screwdriver 13 exposes, lay another piece fixed leg 10 fixed screw cutter tail ends, fixed leg 10 can be identical with fixed leg 9.Along the rightabout tractive shown in the arrow 170 or firmly knock screwdriver gently, perhaps rotary screw cutter, make extrudate (screw or bone material etc.) 12 enter bone road 42 along direction shown in the arrow 150, and extruding ligament substitute 3, until extrudate the ligament substitute of transplanting is produced enough extruding forces, make the ligament substitute card of transplanting invest bone road wall, thereby an end 31 of ligament substitute 3 is fixed.
As can be seen, in the process of extruding ligament substitute 3, ligament substitute 3 is tending towards more and more tighter, see Fig. 6, arrow 160 expression ligament substitutes 3 are along with the reverse traction action of screwdriver 13, can not relax this purpose of the present invention just because of moving of extrudate (screw or bone material etc.) 12.
At last, sew up the incision 8 or the like.
In addition, in the step 1 of operation, also can adopt above-mentioned method, extrudate (screw or bone material etc.) 51 is fixed.Extrudate (screw or bone material etc.) 51 can adopt the mode of extrudate (screw or bone material etc.) 12, oppositely screws.
Have, extrudate (screw or bone material etc.) 12 can also adopt another structure, sees Fig. 8 and Fig. 9 again, external screw thread 16 structures of hollow, and mesopore is triangular prism or cube rod or six prisms, sees Figure 10 and Figure 11.Accordingly, the cutter head of screwdriver 13 needs corresponding triangular prism or cube rod or hexagonal prism shape.In operation, by the rotation of screwdriver 13, drive extrudate 12 rotations, extruding ligament substitute.Adopting externally threaded extrudate method also is a kind of deformation method of the present invention.Extrudate can be people's implants in vivo such as extrusion screw metal or bone material.
Claims (6)
1. reversion ligament extrusion fixation device, when being used to rebuild ligament the extruding of ligament substitute is fixed in the bone road, it is characterized in that, at least comprise: steel wire, extrudate, fixed leg, screwdriver, described extrudate, screwdriver are hollow structure, and described steel wire passes extrudate, and described fixed leg is fixed on the described steel wire in the end of extrudate, described screwdriver inserts in extrudate, makes extrudate enter fixedly ligament of bone road extruding.
2. reversion ligament extrusion fixation device as claimed in claim 1 is characterized in that, described extrudate is the cone of hollow.
3. reversion ligament extrusion fixation device as claimed in claim 2 is characterized in that the inwall of described cone has female thread, and outer wall is a taper seat.
4. reversion ligament extrusion fixation device as claimed in claim 2 is characterized in that the outer wall of described cone has screw thread, and inwall is triangular prism or cube rod or six prisms.
5. as claim 3 or 4 described reversion ligament extrusion fixation devices, it is characterized in that the cutter head of described screwdriver is and cone mesopore inwall corresponding shape.
6. reversion ligament extrusion fixation device as claimed in claim 1 is characterized in that described fixed leg also comprises internal thread, and internal thread is rigidly connected steel wire and fixed leg and is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100114520A CN100360090C (en) | 2005-03-21 | 2005-03-21 | Reverse squeezing fixing method and device for ligament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100114520A CN100360090C (en) | 2005-03-21 | 2005-03-21 | Reverse squeezing fixing method and device for ligament |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1836638A CN1836638A (en) | 2006-09-27 |
| CN100360090C true CN100360090C (en) | 2008-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100114520A Expired - Fee Related CN100360090C (en) | 2005-03-21 | 2005-03-21 | Reverse squeezing fixing method and device for ligament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100360090C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101721264B (en) * | 2008-10-30 | 2011-10-05 | 法玛科技顾问股份有限公司 | Reverse self-tapping fixation device for cruciate ligament reconstruction |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010120520A2 (en) | 2009-03-31 | 2010-10-21 | Medicinelodge, Inc. Dba Imds Co-Innovate | Double bundle acl repair |
| US8535377B2 (en) * | 2009-03-31 | 2013-09-17 | Imds Corporation | Double bundle ACL repair system |
| AU2013280421A1 (en) * | 2012-06-27 | 2015-01-22 | Konsei Shino | Ligament reconstruction fixation system |
| CN110403687A (en) * | 2019-07-30 | 2019-11-05 | 河北医科大学第三医院 | A minimally invasive fixation device for tibial intercondylar spine fracture |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927421A (en) * | 1989-05-15 | 1990-05-22 | Marlowe Goble E | Process of endosteal fixation of a ligament |
| US5584835A (en) * | 1993-10-18 | 1996-12-17 | Greenfield; Jon B. | Soft tissue to bone fixation device and method |
| US5632748A (en) * | 1993-06-14 | 1997-05-27 | Linvatec Corporation | Endosteal anchoring device for urging a ligament against a bone surface |
| US5702397A (en) * | 1996-02-20 | 1997-12-30 | Medicinelodge, Inc. | Ligament bone anchor and method for its use |
| CN1171923A (en) * | 1996-07-30 | 1998-02-04 | 许文蔚 | Fixation tools for osteosynthesis |
| US5766250A (en) * | 1996-10-28 | 1998-06-16 | Medicinelodge, Inc. | Ligament fixator for a ligament anchor system |
| US6461373B2 (en) * | 2000-05-26 | 2002-10-08 | Arthrex, Inc. | Biointerference screw fixation technique |
| CN2783945Y (en) * | 2005-03-21 | 2006-05-31 | 章亚东 | Reverse ligament extrusion and fixing device |
-
2005
- 2005-03-21 CN CNB2005100114520A patent/CN100360090C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927421A (en) * | 1989-05-15 | 1990-05-22 | Marlowe Goble E | Process of endosteal fixation of a ligament |
| US5632748A (en) * | 1993-06-14 | 1997-05-27 | Linvatec Corporation | Endosteal anchoring device for urging a ligament against a bone surface |
| US5584835A (en) * | 1993-10-18 | 1996-12-17 | Greenfield; Jon B. | Soft tissue to bone fixation device and method |
| US5702397A (en) * | 1996-02-20 | 1997-12-30 | Medicinelodge, Inc. | Ligament bone anchor and method for its use |
| CN1171923A (en) * | 1996-07-30 | 1998-02-04 | 许文蔚 | Fixation tools for osteosynthesis |
| US5766250A (en) * | 1996-10-28 | 1998-06-16 | Medicinelodge, Inc. | Ligament fixator for a ligament anchor system |
| US6461373B2 (en) * | 2000-05-26 | 2002-10-08 | Arthrex, Inc. | Biointerference screw fixation technique |
| CN2783945Y (en) * | 2005-03-21 | 2006-05-31 | 章亚东 | Reverse ligament extrusion and fixing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101721264B (en) * | 2008-10-30 | 2011-10-05 | 法玛科技顾问股份有限公司 | Reverse self-tapping fixation device for cruciate ligament reconstruction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1836638A (en) | 2006-09-27 |
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