CN103099668A - Expanding type extrusion nail - Google Patents
Expanding type extrusion nail Download PDFInfo
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- CN103099668A CN103099668A CN2013100562964A CN201310056296A CN103099668A CN 103099668 A CN103099668 A CN 103099668A CN 2013100562964 A CN2013100562964 A CN 2013100562964A CN 201310056296 A CN201310056296 A CN 201310056296A CN 103099668 A CN103099668 A CN 103099668A
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- bull stick
- tooth spiral
- spiral bull
- band tooth
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Abstract
The invention relates to an expanding type extrusion nail and belongs to a surgical implant which is used for fixing a tendon implant in a knee anterior cruciate ligament reconstruction surgery. The expanding type extrusion nail comprises an expanding type extrusion nail body, an eccentric toothed rotating rod, a telescopic rod, a telescopic spring and a locking bolt. A threaded stepped hole is formed in one side of the expanding type extrusion nail body. An eccentric toothed rotating rod installing notch is formed in the other side of the expanding type extrusion nail body. Positioning holes are formed in two ends of the eccentric toothed rotating rod installing notch. One surface of the eccentric toothed rotating rod is a smooth surface, and the other surface of the eccentric toothed rotating rod is a toothed surface. A locking groove is formed in the middle of the eccentric toothed rotating rod. The eccentric toothed rotating rod is arranged in the eccentric toothed rotating rod installing notch in an inserted mode. Short shafts which are arranged at the upper end and the lower end of the eccentric toothed rotating rod are arranged in the positioning holes of the two ends of the expanding type extrusion nail in an inserted mode. The telescopic spring is arranged on the telescopic rod in a sleeved mode. The telescopic rod is arranged inside the threaded stepped hole of the middle portion of the expanding type extrusion nail body in an inserted mode. The telescopic rod is compressed tightly by the locking bolt.
Description
Technical field
What expansion type extruding nail of the present invention related to is a kind of surgical implant that is used for the treatment of due to fixation muscles tendon graft in the anterior cruciate ligament of knee joint reconstruction operations.
Background technology
Anterior cruciate ligament be to keep one of stable main device of knee joint; the damage of anterior cruciate ligament, fracture can cause instability of knee as malpractice; the secondary articular cartilage damage; finally cause the generation of osteoarthritis; have a strong impact on knee joint function; cause patient's daily routines limited, and cause gradually the decline of self-care ability and the forfeiture of self-confidence.
But the Anterior Cruciate Ligament Ruptures operation can use absorption interface screw or bone extruding nail to carry out tendon graft is fixed, but but the absorption interface screw to the cutting operation of tendon graft, further affected tensile strength and tendon and the knitting of tendon.And bone extruding nail can't form extruding closely with osseous tunnel because the surface is relatively smooth.
Summary of the invention
The objective of the invention is provides a kind of expansion type extruding nail for above-mentioned weak point, and expansion type extruding nail is reasonable in design, simple in structure, performs the operation easy for installation, reduces patient's misery, is convenient to post-operative recovery.Expansion type extruding nail and tendon graft and osseous tunnel extruding closely simultaneously can not cause cutting operation to tendon graft.
Expansion type extruding nail of the present invention takes following technical scheme to realize:
Expansion type extruding nail comprises expansion type extruding nail body, eccentric band tooth spiral bull stick, expansion link, coil tension spring and lock-screw.
Be provided with a screw thread stepped hole in expansion type extruding nail body one side, expansion type extruding nail body opposite side is provided with eccentric band tooth spiral bull stick notch is installed, and eccentric band tooth spiral bull stick is installed notch two ends and is provided with locating hole.
Eccentric band tooth spiral bull stick is simultaneously shiny surface, eccentric band tooth spiral bull stick another side is the band flank of tooth, eccentric band tooth spiral bull stick middle part is provided with locking slot, be provided with rotating shaft at bias band tooth spiral bull stick upper and lower end, be provided with interior hex slot in the lower end rotating shaft of bias band tooth spiral bull stick, eccentric band tooth spiral bull stick plugs in bias band tooth spiral bull stick is installed notch, and bias plugs in the locating hole of expansion type extruding nail two ends with the rotating shaft of tooth spiral bull stick upper and lower end setting.
Coil tension spring is enclosed within on expansion link, and expansion link plugs in the middle part of extruding nail body and in the screw thread stepped hole, adopts lock-screw to compress expansion link.
Described expansion link utilizes lock-screw by coil tension spring, the expansion link arc surface to be pushed up and is pressed in eccentric band tooth spiral bull stick intermediate channel, utilize outer hexagonal spanner rotating eccentricity band tooth spiral bull stick in operation process, expansion link is pressed in the locking slot of bias with the tooth spiral bull stick.
Described expansion type extruding nail body, eccentric band tooth spiral bull stick, expansion link, coil tension spring and lock-screw all adopt titanium alloy material to make.
Operation principle:
Set up osseous tunnel at joint, after implanting the ligamentaum cruciatum of rebuilding, select the expansion type extruding nail of a suitable size, eccentric band tooth spiral bull stick shiny surface is outside, in the implantation joint osseous tunnel, compress the ligamentaum cruciatum of rebuilding, utilize outer hexagonal spanner to insert eccentric with rotation in the interior hex slot of tooth spiral bull stick one end, bias is entered in osseous tunnel with the tooth spiral on the tooth spiral bull stick, position fixing in the middle part of the simultaneous retractable bar one eccentric band of end embedding tooth spiral bull stick in locking slot.
Expansion type extruding nail advantage:
Expansion type extruding nail is reasonable in design, simple in structure, performs the operation easy for installation, reduces patient's misery, is convenient to post-operative recovery.Expansion type extruding nail and tendon graft and osseous tunnel extruding closely simultaneously can not cause cutting operation to tendon graft, can well guarantee tensile strength and tendon and the knitting of tendon.
Description of drawings
The invention will be further described below with reference to accompanying drawing:
Fig. 1 is expansion type extruding nail unused state structural representation.
Fig. 2 is expansion type extruding nail user mode structural representation.
Fig. 3 is Fig. 1 expansion type extruding nail unused state structure A-A section diagram.
Fig. 4 is Fig. 2 expansion type extruding nail user mode structure B-B section diagram.
Fig. 5 is Fig. 1 expansion type extruding nail unused state expansion link state I partial view.
Fig. 6 is Fig. 2 expansion type extruding nail user mode expansion link state I I partial view.
In figure: 1, expansion type extruding nail body, 2, eccentric band tooth spiral turns, 3, the band flank of tooth, 4, locking slot, 5, hexagon ring, 6, flexible, 7, coil tension spring, 8, lock-screw, 9, notch is installed, 10, locating hole, 11, the screw thread stepped hole, 12, rotating shaft.
The specific embodiment
With reference to accompanying drawing 1～6, expansion type extruding nail comprises expansion type extruding nail body 1, eccentric band tooth spiral bull stick 2, expansion link 6, coil tension spring 7 and lock-screw 8.
Be provided with a screw thread stepped hole 11 in expansion type extruding nail body 1 one sides, expansion type extruding nail body opposite side is provided with eccentric band tooth spiral bull stick notch 9 is installed, and eccentric band tooth spiral bull stick is installed notch 9 two ends and is provided with locating hole 10.
Eccentric band tooth spiral bull stick 2 one sides are shiny surface, eccentric band tooth spiral bull stick 2 another sides are the band flank of tooth 3, eccentric band tooth spiral bull stick middle part is provided with locking slot 4, be provided with rotating shaft 12 at bias band tooth spiral bull stick upper and lower end, be provided with interior hex slot 5 in bias band tooth spiral bull stick lower end rotating shaft 12, eccentric band tooth spiral bull stick plugs in bias band tooth spiral bull stick is installed notch 9, and bias plugs in expansion type extruding nail two ends locating hole 10 with the rotating shaft 12 of tooth spiral bull stick upper and lower end setting.
Described expansion type extruding nail body 1, eccentric band tooth spiral bull stick 2, expansion link 6, coil tension spring 7 and lock-screw 8 all adopt titanium alloy material to make.
When expansion type extruding nail uses, in bias band tooth spiral bull stick shiny surface outwards inserts the human bone tunnel during (accompanying drawing 1) state, utilize outer hexagonal spanner to insert in eccentric band tooth spiral bull stick 2 lower end inner hexagonal holes 5, rotating spanner, bias is clamp-oned in the osseous tunnel wall with the band flank of tooth 3 on tooth spiral bull stick 2, utilize simultaneously coil tension spring 7 that expansion link 6 is sprung in eccentric band tooth spiral bull stick 2 middle part locking slots 4, be with tooth spiral bull stick 2 fixing bias.
Claims (3)
1. an expansion type extruding nail, is characterized in that: comprise expansion type extruding nail body, eccentric band tooth spiral bull stick, expansion link, coil tension spring and lock-screw;
Be provided with a screw thread stepped hole in expansion type extruding nail body one side, expansion type extruding nail body opposite side is provided with eccentric band tooth spiral bull stick notch is installed, and eccentric band tooth spiral bull stick is installed notch two ends and is provided with locating hole;
Eccentric band tooth spiral bull stick is simultaneously shiny surface, eccentric band tooth spiral bull stick another side is the band flank of tooth, eccentric band tooth spiral bull stick middle part is provided with locking slot, be provided with rotating shaft at bias band tooth spiral bull stick upper and lower end, be provided with interior hex slot in the lower end rotating shaft of bias band tooth spiral bull stick, eccentric band tooth spiral bull stick plugs in bias band tooth spiral bull stick is installed notch, and bias plugs in the locating hole of expansion type extruding nail two ends with the rotating shaft of tooth spiral bull stick upper and lower end setting;
Coil tension spring is enclosed within on expansion link, and expansion link plugs in the middle part of extruding nail body and in the screw thread stepped hole, adopts lock-screw to compress expansion link.
2. expansion type extruding according to claim 1 is followed closely, it is characterized in that: described expansion link utilizes lock-screw by coil tension spring, the expansion link arc surface to be pushed up and is pressed in eccentric band tooth spiral bull stick intermediate channel, utilize outer hexagonal spanner rotating eccentricity band tooth spiral bull stick in operation process, expansion link is pressed in the locking slot of bias with the tooth spiral bull stick.
3. expansion type extruding according to claim 1 is followed closely, and it is characterized in that: described expansion type extruding nail body, eccentric band tooth spiral bull stick, expansion link, coil tension spring and lock-screw all adopt titanium alloy material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056296.4A CN103099668B (en) | 2013-02-22 | 2013-02-22 | Expanding type extrusion nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056296.4A CN103099668B (en) | 2013-02-22 | 2013-02-22 | Expanding type extrusion nail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103099668A true CN103099668A (en) | 2013-05-15 |
| CN103099668B CN103099668B (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310056296.4A Active CN103099668B (en) | 2013-02-22 | 2013-02-22 | Expanding type extrusion nail |
Country Status (1)
| Country | Link |
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| CN (1) | CN103099668B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905859A (en) * | 2015-07-01 | 2015-09-16 | 上海凯利泰医疗科技股份有限公司 | Fixing device, fixing method and application method for reconstruction of cruciate ligaments |
| CN106798599A (en) * | 2017-01-06 | 2017-06-06 | 南京市六合区人民医院 | The fixation kit that cruciate ligaments of knee joint is rebuild |
| CN108245718A (en) * | 2018-01-25 | 2018-07-06 | 杨长喜 | A kind of simple and easy to do cyst of jaw drainage system |
| EP3578123A1 (en) * | 2018-06-08 | 2019-12-11 | Universität Basel | Osteosynthesis mounting set and use of an eccentric connector |
| CN111281513A (en) * | 2020-02-27 | 2020-06-16 | 天津市威曼生物材料有限公司 | Anatomical femoral trochanteric fracture extramedullary fixing special-shaped block and fixing system |
Citations (9)
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|---|---|---|---|---|
| US5916216A (en) * | 1995-06-07 | 1999-06-29 | Wright Medical Technology, Inc. | Graft fixation devices |
| US20050055027A1 (en) * | 2002-02-25 | 2005-03-10 | Yeung Jeffrey Eric | Expandable fastener with compressive grips |
| US20060142769A1 (en) * | 2002-11-21 | 2006-06-29 | Michel Collette | Anchoring screw for a relay strip or suture |
| CN2889193Y (en) * | 2006-01-14 | 2007-04-18 | 张平 | Niche type interference bolt |
| WO2009154781A1 (en) * | 2008-06-20 | 2009-12-23 | Yale University | Porous expansion bolt |
| CN201798790U (en) * | 2010-06-24 | 2011-04-20 | 黄华扬 | Medical expansion interface bolt |
| CN202136403U (en) * | 2011-03-11 | 2012-02-08 | 刘玉杰 | Allogenous cortical bone squeezing nail |
| CN202505463U (en) * | 2012-03-27 | 2012-10-31 | 张强 | Absorbable extrusion screw sheath for ligament reconstruction |
| CN203183020U (en) * | 2013-02-22 | 2013-09-11 | 常州市斯博特医疗器械有限公司 | Expansion type extruding nail |
-
2013
- 2013-02-22 CN CN201310056296.4A patent/CN103099668B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916216A (en) * | 1995-06-07 | 1999-06-29 | Wright Medical Technology, Inc. | Graft fixation devices |
| US20050055027A1 (en) * | 2002-02-25 | 2005-03-10 | Yeung Jeffrey Eric | Expandable fastener with compressive grips |
| US20060142769A1 (en) * | 2002-11-21 | 2006-06-29 | Michel Collette | Anchoring screw for a relay strip or suture |
| CN2889193Y (en) * | 2006-01-14 | 2007-04-18 | 张平 | Niche type interference bolt |
| WO2009154781A1 (en) * | 2008-06-20 | 2009-12-23 | Yale University | Porous expansion bolt |
| CN201798790U (en) * | 2010-06-24 | 2011-04-20 | 黄华扬 | Medical expansion interface bolt |
| CN202136403U (en) * | 2011-03-11 | 2012-02-08 | 刘玉杰 | Allogenous cortical bone squeezing nail |
| CN202505463U (en) * | 2012-03-27 | 2012-10-31 | 张强 | Absorbable extrusion screw sheath for ligament reconstruction |
| CN203183020U (en) * | 2013-02-22 | 2013-09-11 | 常州市斯博特医疗器械有限公司 | Expansion type extruding nail |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905859A (en) * | 2015-07-01 | 2015-09-16 | 上海凯利泰医疗科技股份有限公司 | Fixing device, fixing method and application method for reconstruction of cruciate ligaments |
| CN106798599A (en) * | 2017-01-06 | 2017-06-06 | 南京市六合区人民医院 | The fixation kit that cruciate ligaments of knee joint is rebuild |
| CN108245718A (en) * | 2018-01-25 | 2018-07-06 | 杨长喜 | A kind of simple and easy to do cyst of jaw drainage system |
| CN108245718B (en) * | 2018-01-25 | 2020-10-30 | 杨长喜 | Simple and easy jaw cyst drainage device |
| EP3578123A1 (en) * | 2018-06-08 | 2019-12-11 | Universität Basel | Osteosynthesis mounting set and use of an eccentric connector |
| WO2019233995A1 (en) * | 2018-06-08 | 2019-12-12 | Universität Basel | Osteosynthesis assembly kit and use of an eccentric connector |
| CN111281513A (en) * | 2020-02-27 | 2020-06-16 | 天津市威曼生物材料有限公司 | Anatomical femoral trochanteric fracture extramedullary fixing special-shaped block and fixing system |
| CN111281513B (en) * | 2020-02-27 | 2022-07-08 | 天津市威曼生物材料有限公司 | Anatomical femoral trochanteric fracture extramedullary fixing special-shaped block and fixing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103099668B (en) | 2014-10-29 |
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Effective date of registration: 20151027 Address after: 200062 Shanghai city Qingpu District Xujing town Hua Xu Road No. 569 building 4 room 1008 10 Patentee after: Shanghai Liang Xu medical equipment trading firm Address before: 213022 B3001, 26 middle Huashan Road, Xinbei District, Jiangsu, Changzhou Patentee before: CHANGZHOU SPORT MEDICAL INSTRUMENT CO.,LTD. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160113 Address after: 213022 B3001, 26 middle Huashan Road, Xinbei District, Jiangsu, Changzhou Patentee after: CHANGZHOU SPORT MEDICAL INSTRUMENT CO.,LTD. Address before: 200062 Shanghai city Qingpu District Xujing town Hua Xu Road No. 569 building 4 room 1008 10 Patentee before: Shanghai Liang Xu medical equipment trading firm |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221107 Address after: 213000 No. 26, Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU EUPHORY MEDICAL Co.,Ltd. Address before: B3001, No.26 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province, 213022 Patentee before: CHANGZHOU SPORT MEDICAL INSTRUMENT CO.,LTD. |