CN102727289A - Scaphoid fracture fixer - Google Patents
Scaphoid fracture fixer Download PDFInfo
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- CN102727289A CN102727289A CN2012102439442A CN201210243944A CN102727289A CN 102727289 A CN102727289 A CN 102727289A CN 2012102439442 A CN2012102439442 A CN 2012102439442A CN 201210243944 A CN201210243944 A CN 201210243944A CN 102727289 A CN102727289 A CN 102727289A
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- scaphoid
- fracture
- scaphoid fracture
- fixer
- bow
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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 the orthopedic instrument technical field, be specifically related to a kind of converged fixed of fracturing that is used to, 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 fixedly is the most frequently used medical means.Wrist is mankind's functional parts the most flexibly, and carpal bone is that the bone bonded by the polylith different structure forms, and is complex structure.In case come to harm, it resets fixing desirable more than the reduction of the fracture difficulty at other positions.The general fixedly fracture of the carpal bone positions that reset such as Kirschner wire, fixation steel plate of adopting that reset of prior art; Because these apparatuses are fixing the intercarpal joints position there is not pressurization; Postoperative needs the external fixation of long period, exerts a certain influence for patient's functional rehabilitation, promptly can recover slow.And steel plate screw is fixing need on less carpal bone, punch, and complicated operation increases operation wound, influences function of joint.Fixing for the wrist nut bone particularly, complication such as pain and infection possibly appear in postoperative, and are totally unfavorable to carpal recovery.Therefore, it is very necessary to develop a kind of device that helps wrist nut bone converged fixed, is the best way that overcomes the prior art defective.
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, help the fracture of scaphoid bone of wrist fixing and fusing device that patient's wrist joint function recovers.
The objective of the invention is to realize like this, described fracture of scaphoid bone of wrist fixing and fusing device comprises hunchbacked and the nail foot, and the described back of a bow is an integral structure with the nail foot, and fixedly arc connected nail foot is passed through at hunchbacked two ends respectively.
The present invention adopts the Ultimum Ti material, in 0 ℃ to 40 ℃ temperature range, produces the characteristic of memory deformation according to material, designs special construction form of the present invention by fracture fixation engineering structural requirement; Holder is in 0 to 5 degree centigrade brine ice; Two of holder nail feet are launched, directly insert fracture of scaphoid bone of wrist two broken ends of fractured bone after, with 40 degrees centigrade hot salt brine soaks on holder; Utilize Ultimum Ti sheet material Ma Shi effect to produce dynamic plus-pressure; Pressurization nature, soft holds device, bone and is one, secure.Fixedly the design of arc and special angle thereof more helps bone grafting in the present invention, pressurization resets with fixing, and fusion device directly places subcutaneous, need not external fixation, and is both easy and simple to handle, avoided infection again, helps the recovery of patient's postoperative early ambulant and wrist joint function.
Description of drawings
Fig. 1 looks sketch map for overall structure master of the present invention;
Fig. 2 is that the AA of Fig. 1 is to view;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the another embodiment of the present invention structural representation.
Among the figure: the 1-back of a bow, 2-follows closely foot, and 3-follows closely point, and 4-is arc fixedly.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further, but never in any form the present invention is limited, any conversion based on training centre of the present invention is done all falls into protection domain of the present invention.
Shown in Fig. 1-3, the present invention includes the back of a bow 1 and nail foot 2, described hunchbacked 1 with nail foot 2 be integral structure, fixedly arc 4 connected nail feet 2 are passed through at hunchbacked 1 two ends respectively.
Described hunchbacked 1 with nail foot 2 be integral structure, fixedly arc 4 excessively connects the back of a bow 1 and follows closely feet 2.Available Ultimum Ti material, other memory alloy materials can be realized the object of the invention equally.
Described nail foot 2 lower ends are provided with nail point 3.
Described nail point 3 tilt in the back of a bow 1, and with follow closely foot 2 and axially be 15 ~ 35 ° of angles.Fig. 4 shows another embodiment except the present invention, the described nail point 3 at least one side direction back of a bow 1 outer tilt, and with follow closely foot 2 and axially be 15 ~ 25 ° of angles.Abduction formula nail point can produce different gathering fixed effects with the nail point of interior receipts formula, can select to use according to different situations, to reach the fixed effect that resets that adds most.
The radius of described fixedly arc 4 is 8 ~ 25cm.
Described hunchbacked 1 and nail be 60 ~ 80 ° of angles between the foot 2, 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.
Described hunchbacked 1 cross-sectional width is 1 ~ 3 mm, and thickness is 0.8 ~ 2.0mm.
Sharp 3 front ends of described nail 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 shape such as Ultimum Ti to recover material, use easylier, need not the special-purpose setting tool of exerting pressure, recover in the form process realization naturally and fix, be difficult for causing secondary damage.
The Ultimum Ti material produces the characteristic of memory deformation in 0 ℃ to 40 ℃ temperature range, utilize the dynamic plus-pressure that produces 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 more helps bone grafting and resets with fixing, helps patient's postoperative early ambulant.
Use when of the present invention; The brine ice of at first putting into 0 to 5 ℃ makes holder of the present invention softening; With the nail foot abduction of holder, insert in the fixing hole of accomplishing fluently on the bone piece, behind the holder implantable bone piece with convenient; 40 degrees centigrade of hot salt brine hot compresses of reuse holder, the restoring force that is produced in holder form recovery process nature aggregates into one with the bone piece.Need not as the prior art holder, need be locked, avoid osseous part caused secondary damage and cause infection influencing rehabilitation of patients by external force or external parts.
Characteristics of the present invention:
1, simple in structure, low preparation cost.
2, easy and simple to handle, utilize the shape restoring force of material itself to carry out the reduction of the fracture with fixing, the application of force is natural, soft.
3, the scope of application is wide, and it is fixing to be particularly suitable for resetting of fritter bone such as wrist nut bone fracture.Also can a plurality of combined crosswise use, reach polygonal fixed purpose.
Claims (10)
1. 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 structure, and the back of a bow (1) is connected with following closely between the foot (2) through fixing arc (4).
2. described fracture of scaphoid bone of wrist holder of claim 1 is characterized in that the described back of a bow (1) and nail foot (2) are integral structure, and the back of a bow (1) is connected with following closely between the foot (2) through fixing arc (4), and makes with memory alloy material.
3. claim 1 or 2 described fracture of scaphoid bone of wrist holders is characterized in that described nail foot (2) lower end is provided with nail point (3).
4. claim 1 or 2 described fracture of scaphoid bone of wrist holders is characterized in that at least one side direction back of a bow of described nail point (3) (1) and/or outer tilt, and with follow closely foot (2) and axially be 15 ~ 35 ° of angles.
5. claim 1 or 2 described fracture of scaphoid bone of wrist holders, the radius that it is characterized in that described fixedly arc (4) is 8 ~ 25cm.
6. claim 1 or 2 described fracture of scaphoid bone of wrist holders is characterized in that being 60 ~ 80 ° of angles between the described back of a bow (1) and the nail foot (2).
7. claim 1 or 2 described fracture of scaphoid bone of wrist holders, the length that it is characterized in that described nail foot (2) is 5 ~ 15 mm.
8. claim 1 or 2 described fracture of scaphoid bone of wrist holders, the cross-sectional width that it is characterized in that the described back of a bow (1) is 1 ~ 3 mm, thickness is 0.8 ~ 2.0mm.
9. claim 1 or 2 described fracture of scaphoid bone of wrist holders is characterized in that described nail point (3) front end is provided with the blunt point of circular arc, and radius is 1 ~ 3mm.
10. the described fracture of scaphoid bone of wrist holder of claim 1 is characterized in that being 70 ° of angles between the described back of a bow (1) and the nail foot (2), and 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 true CN102727289A (en) | 2012-10-17 |
| CN102727289B 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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Citations (12)
| 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 |
| EP0390613A1 (en) * | 1989-03-31 | 1990-10-03 | United States Surgical Corporation | Absorbable surgical fastener with bone penetrating elements |
| 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 |
| US20020029044A1 (en) * | 2000-09-07 | 2002-03-07 | Leonid Monassevitch | Staples for bone fixation |
| 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 |
-
2012
- 2012-07-16 CN CN201210243944.2A patent/CN102727289B/en active Active
Patent Citations (12)
| 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 |
| EP0390613A1 (en) * | 1989-03-31 | 1990-10-03 | United States Surgical Corporation | Absorbable surgical fastener with bone penetrating elements |
| 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 |
| US20020029044A1 (en) * | 2000-09-07 | 2002-03-07 | Leonid Monassevitch | Staples for bone fixation |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102727289B (en) | 2014-12-03 |
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| SE01 | Entry into force of request for substantive examination | ||
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| 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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| TR01 | Transfer of patent right | ||
| 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 |