CN102727289B - Scaphoid fracture fixer - Google Patents
Scaphoid fracture fixer Download PDFInfo
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- CN102727289B CN102727289B CN201210243944.2A CN201210243944A CN102727289B CN 102727289 B CN102727289 B CN 102727289B CN 201210243944 A CN201210243944 A CN 201210243944A CN 102727289 B CN102727289 B CN 102727289B
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- scaphoid
- scaphoid fracture
- fracture
- fixer
- fracture fixer
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Abstract
The invention discloses a scaphoid fracture fixer. The scaphoid fracture fixer comprises a bow back and pins, wherein the bow back and the pins form an integrated structure and are connected through a fixing arc. The scaphoid fracture fixer is made from nickel titanium memory alloy. The special structural form of the scaphoid fracture fixer is designed by the structural requirements in the fracture fixation engineering science according to the characteristic that the nickel titanium memory alloy can cause memory deformation in a temperature range of 0-40 DEG C. The scaphoid fracture fixer is in ice salt water being 0-5 DEG C. The two pins of the scaphoid fracture fixer are unfolded and directly embedded into the two broken ends of the scaphoid fracture part, hot salt water at 40 DEG C is wetly compressed on the scaphoid fracture fixer, a dynamic pressure is generated by the Magus effect of a nickel titanium memory alloy plate, the pressure is naturally and softly applied, and the scaphoid fracture fixer is fused with bones and is stable and reliable. Due to the design of the fixing arc and the special angle of the fixing arc is beneficial to bone grafting, compressed reduction and fixation, and a fusion device is directly embedded in the subcutaneous part without being externally fixed, so that the scaphoid fracture fixer is simple and convenient to operate, avoids infection and is beneficial to postoperative early mobilization and wrist joint function recovery of a patient.
Description
Technical field
The invention belongs to technical field of medical instruments, further belong to orthopedic instrument technical field, be specifically related to a kind ofly for fracturing, merge fixingly, be particularly suitable for the holder that fracture of scaphoid bone of wrist resets.
Background technology
Fracture is the human body frequent situation that sustains an injury, and the reduction of the fracture is fixedly the most frequently used medical means.Wrist is mankind's functional parts the most flexibly, and carpal bone is that the bone piece by polylith different structure is combined into, and is complex structure.Once come to harm, its reset fixing than the reduction of the fracture difficulty at other positions will many.The reset of prior art generally adopts fixedly fracture of the carpal bone position of the resets such as Kirschner wire, fixation steel plate, because these apparatuses are fixing, intercarpal joints position is not had to pressurization, postoperative the outer fixing of long period that need, exerts a certain influence to patient's functional rehabilitation, can recover slow.And steel plate screw is fixing need to punch on less carpal bone, complicated operation, increases operation wound, affects function of joint., postoperatively may there is the complication such as pain and infection in fixing for wrist nut bone particularly, totally unfavorable to carpal recovery.Therefore, developing and be a kind ofly conducive to wrist nut bone to merge stationary device very necessary, is the best way that overcomes prior art defect.
Summary of the invention
The object of the present invention is to provide a kind of simple to operately, fixed, can effectively avoid infection, flexible, be conducive to fixedly fusion device of fracture of scaphoid bone of wrist that patient's wrist joint function recovers.
The object of the present invention is achieved like this, and described fracture of scaphoid bone of wrist fixedly fusion device comprises hunchbacked and nail foot, and the described back of a bow is integral type structure with nail foot, and fixedly arc connected nail foot is passed through respectively at hunchbacked two ends.
The present invention adopts Ultimum Ti material to make, according to material, in 0 ℃ to 40 ℃ temperature range, produce the characteristic of memory deformation, by fracture fixation engineering structural requirement, design special construction form of the present invention, holder is in the brine ice of 0 to 5 degree Celsius, two nail feet of holder are launched, directly insert after fracture of scaphoid bone of wrist two broken ends of fractured bone, with the hot salt brine soak of 40 degrees Celsius on holder, utilize Ultimum Ti sheet material Ma Shi effect to produce dynamic pressurized power, pressurization nature, soft, device, bone are held and be integrated, solid and reliable.Fixedly the design of arc and special angle thereof is more conducive to bone grafting in the present invention, pressurization resets with fixing, and fusion device is directly placed in subcutaneous, without outer fixing, both easy and simple to handle, has avoided again infection, is conducive to the recovery of early ambulant and wrist joint function after operation in patients.
Accompanying drawing explanation
Fig. 1 is that overall structure master of the present invention looks schematic diagram;
Fig. 2 is that the AA of Fig. 1 is to view;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is another embodiment of the present invention structural representation.
In figure: the 1-back of a bow, 2-follows closely foot, 3-nail tip, 4-is arc fixedly.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but never in any form the present invention is limited, and any conversion of doing based on training centre of the present invention, all falls into protection domain of the present invention.
As Figure 1-3, the present invention includes the back of a bow 1 and nail foot 2, the described back of a bow 1 be integral type structure with nail foot 2, and fixedly arc 4 connected nail feet 2 are passed through respectively at hunchbacked 1 two ends.
The described back of a bow 1 is integral type structure with nail foot 2, and fixedly arc 4 excessively connects the back of a bow 1 and nail foot 2.Useful Ultimum Ti material is made, and other memory alloy materials can be realized object of the present invention equally.
Described nail foot 2 lower ends arrange nail tip 3.
Described nail tip 3 tilts to hunchbacked 1 inner side, and is axially 15 ~ 35 ° of angles with nail foot 2.Fig. 4 shows another embodiment except the present invention, and at least one side direction back of a bow of described nail tip 31 outside tilts, and is axially 15 ~ 25 ° of angles with nail foot 2.Abduction formula nail tip can produce different gathering fixed effects from the nail tip of interior receipts formula, can be according to different situations choice for use, to reach the reset fixed effect adding most.
The radius of described fixedly arc 4 is 8 ~ 25cm.
Between the described back of a bow 1 and nail foot 2, be 60 ~ 80 ° of angles, be optimized for 70 ° of angles.
The length of described nail foot 2 is 5 ~ 15 mm, is optimized for 6 mm, 8 mm, 10 mm.
The cross-sectional width of the described back of a bow 1 is 1 ~ 3 mm, and thickness is 0.8 ~ 2.0mm.
Described nail tip 3 front ends are provided with the blunt point of circular arc, and radius is 1 ~ 3mm.
Operation principle of the present invention and work process:
Special construction of the present invention, produces the good reduction of the fracture, fixed effect.Can adopt the shape restorer such as Ultimum Ti to make, use easylier, without the setting tool of exerting pressure of special use, naturally recover realization in form process and fix, be difficult for causing secondary damage.
Ultimum Ti material produces the characteristic of memory deformation in 0 ℃ to 40 ℃ temperature range, utilizes the dynamic pressurized power producing in the change procedure fixedly carpal bone that resets, and avoids patient's traumatic infection, is beneficial to the carpal functional rehabilitation of patient.The present invention fixedly design of arc and special angle thereof is more conducive to bone grafting and resets with fixing, is conducive to early ambulant after operation in patients.
Use when of the present invention, first the brine ice of putting into 0 to 5 ℃ makes holder of the present invention softening, by the nail foot abduction of holder, to facilitate, insert in the fixing hole of accomplishing fluently on bone piece, after holder implantable bone piece, use 40 degrees Celsius of hot salt brine hot compress holders, the restoring force producing in holder form recovery process nature aggregates into one by bone piece again.Without being locked by external force or external parts as prior art holder, avoid osseous part to cause secondary damage and cause infection, affect patient's rehabilitation.
Feature of the present invention:
1, simple in structure, cost of manufacture is cheap.
2, easy and simple to handle, utilize the shape restoring force of material itself to carry out the reduction of the fracture and fixing, the application of force is natural, soft.
3, the scope of application is wide, and the reset that is particularly suitable for the fritter bone fracture such as wrist nut bone is fixed.Also can a plurality of combined crosswise use, reach polygonal fixing object.
Claims (6)
1. a fracture of scaphoid bone of wrist holder, comprises the back of a bow (1) and nail foot (2), it is characterized in that the described back of a bow (1) and nail foot (2) are integral type structure, and the back of a bow (1) is connected with following closely between foot (2) by fixing arc (4); Described nail foot (2) lower end arranges nail tip (3), rolls tiltedly, and be axially 15 ~ 35 ° of angles with nail foot (2) in or beyond at least one side direction back of a bow of nail tip (3) (1); Between the described back of a bow (1) and nail foot (2), be 70 ° of angles.
2. fracture of scaphoid bone of wrist holder according to claim 1, is characterized in that the radius of described fixedly arc (4) is 8 ~ 25cm.
3. fracture of scaphoid bone of wrist holder according to claim 1, is characterized in that the length of described nail foot (2) is 5 ~ 15 mm.
4. fracture of scaphoid bone of wrist holder according to claim 1, is characterized in that the cross-sectional width of the described back of a bow (1) is 1 ~ 3 mm, and thickness is 0.8 ~ 2.0mm.
5. fracture of scaphoid bone of wrist holder according to claim 1, is characterized in that described nail tip (3) front end is provided with the blunt point of circular arc, and radius is 1 ~ 3mm.
6. fracture of scaphoid bone of wrist holder according to claim 1, is characterized in that the length of described nail foot (2) is 6 ~ 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243944.2A CN102727289B (en) | 2012-07-16 | 2012-07-16 | Scaphoid fracture fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243944.2A CN102727289B (en) | 2012-07-16 | 2012-07-16 | Scaphoid fracture fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102727289A CN102727289A (en) | 2012-10-17 |
| CN102727289B true CN102727289B (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210243944.2A Active CN102727289B (en) | 2012-07-16 | 2012-07-16 | Scaphoid fracture fixer |
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| CN (1) | CN102727289B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211370U (en) * | 1987-11-10 | 1988-08-17 | 上海市长海医院 | Kneecap memory repairing apparatus |
| CN2140216Y (en) * | 1992-05-15 | 1993-08-18 | 上海钢铁研究所 | Two-way automatic pressure nail |
| US5246443A (en) * | 1990-10-30 | 1993-09-21 | Christian Mai | Clip and osteosynthesis plate with dynamic compression and self-retention |
| CN2164261Y (en) * | 1993-07-09 | 1994-05-11 | 中国人民解放军第二二四医院 | Bone fracture joint device |
| US5788698A (en) * | 1993-04-19 | 1998-08-04 | Savornin; Claude | Osteosynthesis clip and ancillary material for its emplacement |
| DE19821680C1 (en) * | 1998-05-14 | 1999-08-19 | Aesculap Ag & Co Kg | Bone plate mounting to hold fractured bones together for healing |
| DE202006016492U1 (en) * | 2006-02-11 | 2007-01-11 | Shano, Majid, Dr. | Clamping implant used in osteosynthesis, has C-shaped cross-section that has retaining bar sections joined together by connecting rod section forming predetermined angles, in which retaining bar sections have free ends pointing inwardly |
| CN201064481Y (en) * | 2007-06-07 | 2008-05-28 | 刘芳琴 | Breastbone fixing clip |
| CN202198654U (en) * | 2011-03-24 | 2012-04-25 | 牛云飞 | Novel driven-type bow-tooth-like shape memory connector |
| CN202761414U (en) * | 2012-07-16 | 2013-03-06 | 徐永清 | Carpal scaphoid fracture fixation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2013539C (en) * | 1989-03-31 | 1999-07-06 | Thomas W. Sander | Absorbable surgical fastener with bone penetrating elements |
| IL138320A (en) * | 2000-09-07 | 2005-11-20 | Niti Alloys Tech Ltd | Staples for bone fixation |
-
2012
- 2012-07-16 CN CN201210243944.2A patent/CN102727289B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211370U (en) * | 1987-11-10 | 1988-08-17 | 上海市长海医院 | Kneecap memory repairing apparatus |
| US5246443A (en) * | 1990-10-30 | 1993-09-21 | Christian Mai | Clip and osteosynthesis plate with dynamic compression and self-retention |
| CN2140216Y (en) * | 1992-05-15 | 1993-08-18 | 上海钢铁研究所 | Two-way automatic pressure nail |
| US5788698A (en) * | 1993-04-19 | 1998-08-04 | Savornin; Claude | Osteosynthesis clip and ancillary material for its emplacement |
| CN2164261Y (en) * | 1993-07-09 | 1994-05-11 | 中国人民解放军第二二四医院 | Bone fracture joint device |
| DE19821680C1 (en) * | 1998-05-14 | 1999-08-19 | Aesculap Ag & Co Kg | Bone plate mounting to hold fractured bones together for healing |
| DE202006016492U1 (en) * | 2006-02-11 | 2007-01-11 | Shano, Majid, Dr. | Clamping implant used in osteosynthesis, has C-shaped cross-section that has retaining bar sections joined together by connecting rod section forming predetermined angles, in which retaining bar sections have free ends pointing inwardly |
| CN201064481Y (en) * | 2007-06-07 | 2008-05-28 | 刘芳琴 | Breastbone fixing clip |
| CN202198654U (en) * | 2011-03-24 | 2012-04-25 | 牛云飞 | Novel driven-type bow-tooth-like shape memory connector |
| CN202761414U (en) * | 2012-07-16 | 2013-03-06 | 徐永清 | Carpal scaphoid fracture fixation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102727289A (en) | 2012-10-17 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20121017 Assignee: Xiamei Marmem Co., Ltd., Lanzhou Assignor: Xu Yongqing|Li Chuan Contract record no.: 2018620000001 Denomination of invention: Scaphoid fracture fixer Granted publication date: 20141203 License type: Common License Record date: 20180129 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190312 Address after: 650032 No. 212 Daguan Road, Xishan District, Kunming City, Yunnan Province Patentee after: 92nd Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army Address before: 650032 Orthopaedic Hospital Affiliated to Kunming Hospital, Chengdu Military Region, Daguan Road, Xishan District, Kunming City, Yunnan Province Co-patentee before: Li Chuan Patentee before: Xu Yongqing |
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| TR01 | Transfer of patent right |