CN1306911C - Memory alloy self-locking type holding ring - Google Patents
Memory alloy self-locking type holding ring Download PDFInfo
- Publication number
- CN1306911C CN1306911C CNB200410077783XA CN200410077783A CN1306911C CN 1306911 C CN1306911 C CN 1306911C CN B200410077783X A CNB200410077783X A CN B200410077783XA CN 200410077783 A CN200410077783 A CN 200410077783A CN 1306911 C CN1306911 C CN 1306911C
- Authority
- CN
- China
- Prior art keywords
- memory alloy
- locking type
- holding ring
- type holding
- band
- Prior art date
- 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
Links
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a self-locking type hoop made from memory alloy. The self-locking type hoop made from memory alloy is a strip with an eyelet structure, which is made from a memory alloy material. The strip is made from sheet materials and/or shaped wire materials. The present invention has the advantages of high elastic deformation ability, high stress uniformity and high reliability, and is suitable for curing long oblique fractures, long spiral fractures or long sphenoid bone blocks on limb tubular backbones.
Description
[technical field]
The present invention relates to orthopedic instrument, more particularly, the present invention relates to a kind of orthopedic instrument of tubulose shaft fracture locating therapy.
[background technology]
The limbs tubular bone fracture generally includes following several different situations: transverse fracture, short oblique fracture, comminuted fracture, long oblique fracture, long spiral fracture, long sphenoid piece etc.At present, because anti-rotation of interior pinning method and corresponding apparatus and anti-separating power are stronger, for tubular bone walk crosswise, short diagonal or comminuted bone be comparatively suitable, clinical practice now is more extensive, but interior pinning method and apparatus is for long oblique fracture, long spiral fracture, long sphenoid piece, be difficult in art, form tight, the pressurization of embedding between fracture end, can not effectively keep stability, be prone to loosening or displacement between fracture end, and even lose its internal fixation effect, even it is curved nail, broken nail phenomenon occur, and inapplicable.Also can select following Therapeutic Method to comprise for long spiral fracture of the long oblique fracture on the limbs tubulose backbone or long sphenoid piece :-pressurization corrosion resistant plate: this method energy is disposable, pressurize to bone stump passively, can overcome bone stump and not have pressurization, easy concurrent bone does not connect connects shortcomings such as disease, thereby produce stress-shielding effect, so that the periosteum of damage bone growth promoting, cause osteanabrosis but the pressurization corrosion resistant plate is easy to generate stress concentration after fixing.-rustless steel intramedullary needle class: it is better that this method is used for upper limb tubulose non-bearing bone effect, be used for the lower limb load-bearing bone, because pulp cavity width differs, needle body is difficult to form at effective 3 or 4 to be fixed, shearing resistance, anti-revolve, anti-component deficiency, may develop into that bone does not connect connects, bone becomes angle disease, postoperative often needs to influence patient's life quality with fixing fracture such as external spread frame; Entry point is near joint portion in addition, and backshank influences the functional recovery training in joint.
In order to solve the operation shortcoming of the long oblique fracture on the limbs tubulose backbone, long spiral fracture or long sphenoid piece one class fracture, there are Chinese patent/application documents 02260022.1 to disclose the dried fracture of a kind of extremity tubulose memorial alloy hoop driver and comprise blade plate, it is characterized in that: blade plate is a long frame shape, its laterally short edge is circular arc, the both sides long frame edge has the arc wing of introversion to encircle plate, the wing of both sides is encircled plate top wing, the wing on both sides is encircled the staggered phase embedding of wing on the plate, and both sides wing is encircled plate top and had three wings at least.It is said that its advantage is simple to operate, disturb little to the outer blood fortune of fracture end marrow, the complementary stability of keeping fracture end, improve the shearing resistance of marrow internal fixation, anti-ly revolve, the warping resistance ability, can directly use for palm or phalanx, phalanx oblique fracture, and without Gypsum Fibrosum class external fixation, help early functional training and recovery and hinder the limb function after the operation.But this device is shaped as parallel band, and the elastic deformability is not strong, and the stress uniformity is not strong; And can not form closed endless belt, and the internal energy lock ring stress that provides of phase transformation of self material of hoop driver is provided fully, reliability is not strong.
Similar said apparatus, there are Chinese patent/application documents 02260024.8 to disclose a kind of extremity tubulose shaft fracture memorial alloy hoop driver, it comprises blade plate, it is characterized in that: blade plate is a long frame shape, its laterally short edge is circular arc, on the one short edge pintle that protrudes is arranged, it highly encircles the 100%-120% of plate height for the arc wing of introversion, the both sides long frame edge has the arc wing of introversion to encircle plate, the wing of both sides is encircled plate top wing, the wing of both sides is encircled the staggered phase embedding of wing on the plate, and the protrusion pintle on the short edge is perpendicular to the blade plate horizontal plane, and the wing of both sides is encircled plate top at least three wings.It is said that its advantage is simple to operate, disturb little to the outer blood fortune of fracture end marrow, the complementary stability of keeping fracture end, improve the shearing resistance of marrow internal fixation, anti-ly revolve, the warping resistance ability, can directly use for palm or phalanx, phalanx oblique fracture, and without Gypsum Fibrosum class external fixation, help early functional training and recovery and hinder the limb function after the operation.This device also has above-mentioned similar shortcoming and problem.
Also have Chinese patent/application documents 89217923.6 to disclose a kind of backbone correcting marmem rod in addition, it becomes with the Ti-Ni marmem of recovery temperature at 30-45 ℃, and the orthopedic rod of design is made of anti-rotation device and the cylinder that the anti-orthopedic rod of band rotates.It is said that clinical trial proves, use the orthopedic rod of this class, easy to operate, can effectively correct patient's lateral bending degree, postoperative does not need plaster fixation, and complication such as impassivity damage, fracture are after surgery with no obvious loss angle in examining.This method and device are unsuitable for long oblique fracture or the treatment of long sphenoid piece on the limbs tubulose backbone.
[summary of the invention]
At the above-mentioned shortcoming of prior art, the technical purpose that the present invention will reach is to provide that a kind of elastic deformability is strong, the stress uniformity better, reliability is stronger, be more suitable for the memory alloy self-locking type holding ring that the long oblique fracture on the limbs tubulose backbone, long spiral fracture or long sphenoid piece are treated.
For this reason, technical scheme of the present invention is a kind of memory alloy self-locking type holding ring, and the band with cell structure that this memory alloy self-locking type holding ring is made for the memorial alloy material, described band are to be made by lamellar section bar and/or setting wire rod.Memory alloy self-locking type holding ring of the present invention adopts the band of cell structure, obviously the band of cell structure formation is because eyelet itself has bigger strain leeway than simple linear material, can obtain bigger accumulation strain leeway behind the series and parallel, therefore, easier overcome stress concentration stress shielding and periosteum damage and osteanabrosis disadvantage extremely, and be difficult for producing loosening or displacement, there are not curved nail, broken nail phenomenon.And cell structure provides architecture basics for forming closed endless belt, reliability improves greatly, be highly suitable for the long oblique fracture on the limbs tubulose backbone, long spiral fracture or the treatment of long sphenoid piece, and because its stress is even, banding is reliable, also can be used as the auxiliary treatment of comminuted fracture.Band of the present invention can be made with the punching press of lamellar shape material, also can be fixed into lamellar by the wire rod parallel arranged of bending forming and make.
For sealing self-locking type holding ring, further increase reliability, described garter spring of the present invention comprises that also the eyelet of the described band of hook makes it form the hooking device of closed-loop.
For further strengthening above-mentioned principal advantages of the present invention, the present invention takes following concrete corrective measure:
Described cell structure have just as or similar geometry, the eyelet shape of described cell structure is selected from rhombus, polygon, circle, the oval wherein combination of one or more shapes, described polygonal limit number is not less than 5.
Described cell structure extension connected to each other and form the chain type band.
Described cell structure series connection link more than 5 or 5 forms string.Described band is to be made of 1 row cell structure; Perhaps, described band is to be formed by the link in parallel of 2～3 row cell structure.
For ease of making, eyelet of the present invention is shaped as symmetrical polygon.In preferred embodiment, described symmetrical polygon eyelet is shaped as symmetrical hexagon.
Described hooking device is a bolt, and perhaps, described hooking device is a hook integrally formed on the cell structure of band one end.Described hook is 1 or a plurality of; A plurality of hook parallel connections or series connection or connection in series-parallel are fixed on an end of band in combination.Described memorial alloy is the alloy of NiTi class material.
In a word, architecture advances of the present invention have be easy to implement, advantage effective, with low cost.
Below, with accompanying drawing technical solution of the present invention is described further in conjunction with specific embodiments.
[description of drawings]
Fig. 1 is structure master's sketch map of the embodiment of the invention.
Fig. 2 is the perspective view of the embodiment of the invention.
Fig. 3 is the working state structure sketch map of the embodiment of the invention.
[specific embodiment]
As shown in Figure 1, 2, 3: a kind of memory alloy self-locking type holding ring, the band 1 that is configured to have cell structure 2 of this memory alloy self-locking type holding ring, band 1 are to be made by lamellar section bar and/or setting wire rod.This memorial alloy is a NiTi class material.
Garter spring comprises that also the eyelet of hook band 1 makes it form the hooking device 3 of closed-loop.Hooking device is an integrally formed hook on the cell structure 2 of band 1 one ends.2 hooks 3 in series are fixed on an end of band 1.
Cell structure 2 have just as geometry, the eyelet of described cell structure 2 is shaped as symmetrical hexagon, cell structure 2 extensions connected to each other and form chain type band 1.Band 1 is to form string formula structure by the 2 series connection links of 10 cell structure of 1 row.Band 1 also can be to be formed by 2 links in parallel of 2～3 row cell structure.
In the operation, with making its lengthening deformation in the NiTi class material memory alloy self-locking type holding ring 1 immersion low temperature environment of the present invention, wrap the limbs tubulose backbone of fracture at low temperatures, and its hook fastening is formed closed-loop earlier.Garter spring to be sealed returns to the human body temperature unanimity in human body after, self-locking type holding ring of the present invention helps key location of limbs tubulose and recovery promptly tightly and the stressed limbs of banding equably tubulose backbone's long oblique fracture, long spiral fracture or long sphenoid piece place effectively.
Claims (9)
1, a kind of memory alloy self-locking type holding ring is characterized in that: the band with cell structure (2) (1) that this memory alloy self-locking type holding ring is made for the memorial alloy material, described band (1) are to be made by lamellar section bar and/or setting wire rod; Described cell structure (2) have just as or similar geometry, the eyelet shape of described cell structure (2) is selected from rhombus, polygon, circle, the oval wherein combination of one or more shapes, described polygonal limit number is not less than 5.
2, memory alloy self-locking type holding ring as claimed in claim 1 is characterized in that: described garter spring comprises that also the eyelet of the described band of hook (1) makes it form the hooking device (3) of closed-loop.
3, memory alloy self-locking type holding ring as claimed in claim 1 or 2 is characterized in that: described cell structure (2) extension connected to each other and form chain type band (1).
4, memory alloy self-locking type holding ring as claimed in claim 1 or 2 is characterized in that: described cell structure (2) the series connection link more than 5 or 5 forms string.
5, memory alloy self-locking type holding ring as claimed in claim 4 is characterized in that: described band (1) is to be made of 1 row cell structure (2); Perhaps, described band (1) is to be formed by the link in parallel of 2～3 row cell structure (2).
6, memory alloy self-locking type holding ring as claimed in claim 1 or 2 is characterized in that: described eyelet is shaped as symmetrical polygon.
7, memory alloy self-locking type holding ring as claimed in claim 6 is characterized in that: described symmetrical polygon eyelet is shaped as symmetrical hexagon.
8, memory alloy self-locking type holding ring as claimed in claim 2 is characterized in that: described hooking device (3) is a bolt, and perhaps, described hooking device (3) is a hook integrally formed on the cell structure of band one end; Described hook is 1 or a plurality of, and a plurality of hook parallel connections or series connection or connection in series-parallel are fixed on an end of band in combination.
9, memory alloy self-locking type holding ring as claimed in claim 1 or 2 is characterized in that: described memorial alloy is the alloy of NiTi class material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410077783XA CN1306911C (en) | 2004-12-30 | 2004-12-30 | Memory alloy self-locking type holding ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410077783XA CN1306911C (en) | 2004-12-30 | 2004-12-30 | Memory alloy self-locking type holding ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631325A CN1631325A (en) | 2005-06-29 |
| CN1306911C true CN1306911C (en) | 2007-03-28 |
Family
ID=34847078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410077783XA Expired - Fee Related CN1306911C (en) | 2004-12-30 | 2004-12-30 | Memory alloy self-locking type holding ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1306911C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI630900B (en) * | 2012-08-23 | 2018-08-01 | 星瑟斯有限公司 | Intramedullary fixation system |
| US9452005B2 (en) | 2012-08-23 | 2016-09-27 | DePuy Synthes Products, Inc. | Bone fixation system |
| US10004603B2 (en) | 2012-08-23 | 2018-06-26 | DePuy Synthes Products, Inc. | Bone implant |
| MX2017009645A (en) | 2015-01-26 | 2018-03-09 | Panther Orthopedics Inc | Active tension bone and joint stabilization devices. |
| CN110891504A (en) | 2017-08-09 | 2020-03-17 | 潘瑟骨科治疗公司 | Effective bone and joint stabilization device features |
| WO2020219538A1 (en) | 2019-04-23 | 2020-10-29 | Panther Orthopedics, Inc. | Strength and fatigue life improvements for active bone and joint stabilization devices |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122602U (en) * | 1992-05-19 | 1992-11-25 | 沈杨 | Palisade bone case |
| CN2441450Y (en) * | 2000-09-27 | 2001-08-08 | 上海思爱高科技开发有限公司 | Marmen easy dismantling girdle type pressure bone connector |
| WO2001060269A1 (en) * | 2000-02-16 | 2001-08-23 | Shinhan Metals Co., Ltd. | Device for the fixation of broken bones |
| CN2478559Y (en) * | 2001-04-17 | 2002-02-27 | 周志坚 | Ring-type composite internal fixator |
| CN2564121Y (en) * | 2002-09-17 | 2003-08-06 | 张德胜 | Marmen hoop driver for limbs tubular diaphysial fracture |
-
2004
- 2004-12-30 CN CNB200410077783XA patent/CN1306911C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122602U (en) * | 1992-05-19 | 1992-11-25 | 沈杨 | Palisade bone case |
| WO2001060269A1 (en) * | 2000-02-16 | 2001-08-23 | Shinhan Metals Co., Ltd. | Device for the fixation of broken bones |
| CN2441450Y (en) * | 2000-09-27 | 2001-08-08 | 上海思爱高科技开发有限公司 | Marmen easy dismantling girdle type pressure bone connector |
| CN2478559Y (en) * | 2001-04-17 | 2002-02-27 | 周志坚 | Ring-type composite internal fixator |
| CN2564121Y (en) * | 2002-09-17 | 2003-08-06 | 张德胜 | Marmen hoop driver for limbs tubular diaphysial fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1631325A (en) | 2005-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1743586A1 (en) | Clavicular bone plate | |
| EP0295041B1 (en) | Apparatus for internal fixation of bone fractures | |
| CN1306911C (en) | Memory alloy self-locking type holding ring | |
| EP1104259B1 (en) | Bone fixation apparatus | |
| CN210056195U (en) | Binding and fixing device based on proximal femoral intramedullary nail system | |
| CN202342170U (en) | Combined type steel plate used for fracture of distal clavicle | |
| CN101406408B (en) | Tension side-fixing bone plate for olecranon process of ulna | |
| CN201595921U (en) | Multiple sternum fracture memory alloy internal fixation system | |
| CN103006304A (en) | Static and dynamic exchange-type thighbone interlocking intramedullary nail | |
| CN2202503Y (en) | Inner fixing device | |
| CN201308532Y (en) | Olecroanon tension laterally fixing bone fracture plate | |
| CN2564121Y (en) | Marmen hoop driver for limbs tubular diaphysial fracture | |
| CN201353191Y (en) | Inner-arc diaphysis-type dynamic-stress bone-fracture fixation steel plate | |
| CN213787713U (en) | Kirschner wire with wire for treating hammer finger deformity by reconstruction of extensor tendon insertion point | |
| CN202036302U (en) | Degradable metal embracing fixator | |
| CN2564122Y (en) | Marmen hoop driver for limbs tubular diaphysial fracture | |
| CN201356644Y (en) | Static-dynamic alternated intramedullary pin | |
| CN201404281Y (en) | Double-locking arch-shaped tooth-type broken bone armor plate | |
| CN2564123Y (en) | Marmen hoop driver for limbs tubular diaphysial fracture | |
| CN219538469U (en) | Patella fixing plate with hook claw | |
| CN205924138U (en) | Improved generation tibiofibula commissural arch clasping spine | |
| CN220344471U (en) | Fixing plate for fixing simple fracture of metacarpal base | |
| CN218870441U (en) | Novel patella internal fixation device | |
| CN212118266U (en) | Patella tension band fixer | |
| CN201295281Y (en) | Epiphyseal arc dynamic stress steel plate for fixation of fracture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGSHAN UNIVERSITY ATTACHED NO.6 HOSPITAL Free format text: FORMER OWNER: PAN TAO Effective date: 20080523 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080523 Address after: The village of two cross road Guangdong city Guangzhou province 26 Patentee after: The Sixth Affiliated Hospital of Sun Yat-sen University Address before: Room 803, building B, blue sea bay, Linjiang Road, Zhujiang New Town, Guangdong, Guangzhou Patentee before: Pan Tao |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |