CN107049451A - A kind of locking external fixer for treatment of distal radius fracture - Google Patents
A kind of locking external fixer for treatment of distal radius fracture Download PDFInfo
- Publication number
- CN107049451A CN107049451A CN201710166754.8A CN201710166754A CN107049451A CN 107049451 A CN107049451 A CN 107049451A CN 201710166754 A CN201710166754 A CN 201710166754A CN 107049451 A CN107049451 A CN 107049451A
- Authority
- CN
- China
- Prior art keywords
- shaped fixture
- screw
- distal radius
- fracture
- external fixer
- 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.)
- Pending
Links
- 206010037802 Radius fracture Diseases 0.000 title claims abstract description 14
- 208000010392 Bone Fractures Diseases 0.000 claims abstract description 16
- 206010017076 Fracture Diseases 0.000 claims abstract description 16
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 231100000241 scar Toxicity 0.000 abstract description 3
- 230000000740 bleeding effect Effects 0.000 abstract description 2
- 206010058046 Post procedural complication Diseases 0.000 abstract 1
- 208000035965 Postoperative Complications Diseases 0.000 abstract 1
- 208000037873 arthrodesis Diseases 0.000 abstract 1
- 210000002435 tendon Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 2
- 208000005422 Foreign-Body reaction Diseases 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229960001138 acetylsalicylic acid Drugs 0.000 description 2
- 230000010100 anticoagulation Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 230000007383 nerve stimulation Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 210000000623 ulna Anatomy 0.000 description 2
- 210000003857 wrist joint Anatomy 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 206010016970 Foot fracture Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- -1 nerve stimulation Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of outer fixedly locked fixing device for treatment of distal radius fracture, belong to technical field of medical instruments.This locking external fixer includes support body and screw, support body includes T-shaped fixture and bar shaped fixture, screwed hole is evenly equipped with respectively on T-shaped fixture and bar shaped fixture, the screw thread of screwed hole and screw afterbody matches, T-shaped fixture is set to be fixed in the dorsal part bone piece of distal radius, bar shaped fixture is fixed on the radius side of distal radius, realizes the fracture of distal radius and resets locking.Few using the small bleeding of this locking external fixer wound, otch reduces at double, and scar is small attractive in appearance；Postoperative complication is substantially reduced.Do not need second operation to take out, be that patient saves medical expense.And it is lightweight, patient's pain is small, is conducive to the rehabilitation of patient.This locking external fixer, screw way damage is small, and screw way complication is less, improves the security of operation；Due to being, not across arthrodesis, to reduce operation to carpal interference.
Description
Technical field
The present invention relates to a kind of outer fixedly locked fixing device for treatment of distal radius fracture, belong to medicine equipment skill
Art field.
Background technology
Fracture of distal radius is common fracture, and operative treatment is one of main treatment means, and therapeutic purposes are to fracture
Position carries out replacement and fixation, and fixing means has interior fixation and outer fixes two kinds.It is as the interior fixation of material with plate screw
Clinically main treatment means at present, the shortcoming of interior fixation is that operation wound is big, long incision, scar substantially, after union,
Internal fixation steel plate, due to reasons such as foreign body reaction, nerve stimulation, psychology, some patientss need second operation to take out, for old age
People, which is particularly, eats anticoagulation such as aspirin etc., and internal fixation operation of cutting and resetting has clear and definite operation risk, greatly limit interior
Fixed application；External fixing rack is the safety selection for the treatment of, and the structure of traditional external fixing rack is as shown in figure 1, mainly include one
Elongated support body 1, multiple clamp screws 2, fixing screws 3 and turning joint 4；This spline structure is adaptation different crowd skeletal size,
Support body adjustable in length, fracture fixing screw 3 is fixed and adjustment length by clamp screws 2；Turning joint adjustable-angle.But
Because the support body volume large and bulky, complex operation, fixed effect of traditional external fixing rack are poor, easily loosen, in addition across pass
Section is fixed so that wrist joint function is frequently subjected to influence, therefore traditional external fixing rack is applied in the treatment of fracture of distal radius
There is also clearly disadvantageous.
The content of the invention
The purpose of the present invention is to propose to a kind of locking external fixer for treatment of distal radius fracture, change useful
In the structure of the external fixing rack for the treatment of of distal radius fracture, to overcome the structural disadvantages of traditional external fixing rack, simplify distal radius
The therapeutic process of fracture, and effectively reduce the complication for the treatment of of distal radius fracture.
Locking external fixer proposed by the present invention for treatment of distal radius fracture, including support body and screw；Institute
The support body stated includes being evenly equipped with screwed hole, spiral shell respectively on T-shaped fixture and bar shaped fixture, T-shaped fixture and bar shaped fixture
The screw thread of pit and screw afterbody matches, and T-shaped fixture is fixed in the dorsal part bone piece of distal radius, and bar shaped fixture is consolidated
The radius side of distal radius is scheduled on, the fracture of distal radius is realized and resets locking.
In above-mentioned locking external fixer, described T-shaped fixture and bar shaped fixture stainless steel, aluminium alloy, titanium are closed
It is prepared by any one of gold, carbon steel or carbon fiber material.
Locking external fixer proposed by the present invention for treatment of distal radius fracture, its advantage is：
1st, locking external fixer of the invention is used in vitro, belong to outer fixed category, therefore the small bleeding of wound is few, does not have
Otch or otch are reduced at double, positioned at fracture area, and incision complication is substantially reduced, and scar is small, attractive in appearance.Due to not cutting
Mouth or small otch, the patient for eating anticoagulation such as aspirin are particularly for the elderly, operation safety is greatly improved.
2nd, it is used in vitro, overcome the foreign body reaction caused by implants, nerve stimulation, glue using locking external fixer
The complication such as company are significantly reduced；Operating difficulty is reduced, and operating time shortens, and risk reduction, young doctor is easily mastered, and study is bent
Line shortens.
3rd, locking external fixer of the invention is due to being outer fixation, therefore it is remote not need secondary hospitalisation for surgery to take out radius
It is fixed in end, it is to avoid the risk of second operation, and for patient save medical expense.
4th, locking external fixer of the invention can be using light sectional materials such as stainless steel, titanium alloy, carbon fiber or aluminium alloys
Material, lightweight than traditional external fixing rack small volume, patient's pain is small, is conducive to Rehabilitation.
5th, locking external fixer of the invention, can use Kirschner Wire Drilling, compared with the punching of traditional electric drill, damage
Small, screw way complication is less, improves the security of operation.
6th, locking external fixer of the invention, dorsal part screw designs for polished rod, it is possible to reduce screw is to tendon
Interference is stimulated, the complication such as rupture of tendon are effectively prevented.
7th, locking external fixer of the invention, is combined using screw thread latch-up structure, instead of the tradition such as nail clip outer fixed
The connected mode of frame, makes its overall structure more firmly be difficult to loosen failure；
8th, the smaller weight of locking external fixer volume of the invention is lighter, can wear clothes, patient is more comfortable.
Brief description of the drawings
Fig. 1 is to consolidate apparatus structure schematic diagram outside traditional hand foot fracture.
Fig. 2 is the structural representation of the locking external fixer proposed by the present invention for treatment of distal radius fracture, its
In, Fig. 2 (a) is the structural representation of T-shaped fixture, and Fig. 2 (b) is the structural representation of bar shaped fixture, and Fig. 2 (c) is fixed
The side diagram of part.
Fig. 3 is the structural representation of screw.
Fig. 4 is the use state figure of T-shaped fixture.
Fig. 5 is the use state figure of bar shaped fixture.
In Fig. 1-Fig. 5,1 is elongated support body, and 2 be clamp screws, and 3 be fixing screws, and 4 be turning joint, and 5 be that T-shaped is fixed
Part, 6 be screwed hole, and 7 be bar shaped fixture, and 8 be ulna, and 9 be radius, and 10 be screw.
Embodiment
Locking external fixer proposed by the present invention for treatment of distal radius fracture, its structure as shown in Fig. 2 its
In, Fig. 2 (a) is the structural representation of T-shaped fixture.Fig. 2 (b) is the structural representation of bar shaped fixture.Fig. 2 (c) is fixed
The side diagram of part.Locking external fixer includes support body and screw 3.Support body includes T-shaped fixture 5 and bar shaped fixture 7, T-shaped
Screwed hole 6 is evenly equipped with fixture 5 and bar shaped fixture 7 respectively, the screw thread of screwed hole 6 and the afterbody of screw 10 matches, such as Fig. 3
It is shown, T-shaped fixture is fixed in the dorsal part bone piece of distal radius, bar shaped fixture 7 is fixed on the radius 9 of distal radius
Sideways, realize the fracture of the distal end of radius 9 and reset locking.
In above-mentioned locking external fixer, T-shaped fixture 7 and bar shaped fixture 7 can be closed with stainless steel, aluminium alloy, titanium
It is prepared by any one of gold, carbon steel or carbon fiber material.
Locking external fixer proposed by the present invention for treatment of distal radius fracture, T-shaped fixture 5 is used for fixed radial
The oar lateral column of bone distal end, is cylindrical body (or cuboid), the screwed hole for being screwed into screw 10 is uniformly provided with thereon；Bar shaped is consolidated
Determining part 7 is used to fix radius distal dorsal bone piece, wrist joint is prevented to dorsal displacement, on T-shaped fixture 5 and bar shaped fixture 7
Face is provided with the screwed hole for being screwed into screw.
The operative process of locking external fixer proposed by the present invention introduced below is as follows：
Make the injured far-end fracture reset of radius 9 misplaced by cutting or closing prying and pulling mode first, it is interim with Kirschner wire
Fixed fracture, the lower position for confirming the reduction of the fracture of perspective is correct, with Kirschner Wire Drilling, then by T-shaped fixture 5 and bar shaped fixture
7 are placed in fracture site, are screwed into screw 10 and fix fracture, as shown in Figure 4 and Figure 5, in Fig. 4 and Fig. 5,8 be ulna.
In order to ensure fixed strength reliability, it is proposed that screwed hole is uniformly distributed, screw 10 is screwed into the screwed hole of interval,
Effect is more preferable.
For comminuted fracture, traction is stretched after can taking first and recovers distal radius length, small sclerite is crushed, reaches
Functional reduction, then place the present invention locking external fixer, now screw try one's best beat, to ensure fixed effect.
The locking external fixer for treatment of distal radius fracture of the present invention, material is not due to contacting skin positioned at body
Outside, it can be the lightweight materials such as stainless steel, titanium alloy, carbon fiber or aluminium alloy.Uniformly divide on T-shaped fixture and bar shaped fixture
Screwed hole is furnished with, density is larger, is easy to the fixed position of doctor's unrestricted choice screw as needed, while mitigating support body weight
Amount.Screwed hole on T-shaped fixture and bar shaped fixture, matches with the screw thread of screw tail end.Distal radius dorsal part screw can
Think that polished rod lock screw is followed closely, be divided into screw-tipped and screw tail end, sophisticated threaded holding bone, stage casing it is smooth with skin and
Soft tissue is contacted, and tail end has screw thread, by combination lock, can effectively prevent screw to tendon with locking external fixer
Interference, reduces the complication of rupture of tendon.
Claims (2)
1. a kind of locking external fixer for treatment of distal radius fracture, it is characterised in that including support body and screw；It is described
Support body include T-shaped fixture and bar shaped fixture, screwed hole, screw thread are evenly equipped with respectively on T-shaped fixture and bar shaped fixture
Hole and the screw thread of screw afterbody match, and T-shaped fixture is fixed in the dorsal part bone piece of distal radius, and bar shaped fixture is fixed
In the radius side of distal radius, realize the fracture of distal radius and reset locking.
2. external fixer is locked as claimed in claim 1, it is characterised in that described T-shaped fixture and bar shaped fixture are used
It is prepared by any one of stainless steel, aluminium alloy, titanium alloy, carbon steel or carbon fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166754.8A CN107049451A (en) | 2017-03-20 | 2017-03-20 | A kind of locking external fixer for treatment of distal radius fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166754.8A CN107049451A (en) | 2017-03-20 | 2017-03-20 | A kind of locking external fixer for treatment of distal radius fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107049451A true CN107049451A (en) | 2017-08-18 |
Family
ID=59620239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710166754.8A Pending CN107049451A (en) | 2017-03-20 | 2017-03-20 | A kind of locking external fixer for treatment of distal radius fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107049451A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803195A (en) * | 2020-08-10 | 2020-10-23 | 武汉苓桂医疗科技有限公司 | Non-straddle type external fixator for treating distal radius fracture |
| WO2023143149A1 (en) * | 2022-01-25 | 2023-08-03 | 陈聚伍 | Intramedullary fixing system for fracture end |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6508819B1 (en) * | 2001-08-28 | 2003-01-21 | Hand Innovations, Inc. | Method of dorsal wrist fracture fixation |
| CN201759658U (en) * | 2010-01-15 | 2011-03-16 | 北京理贝尔生物工程研究所有限公司 | Distal-radius palmar-locking bone fracture plate |
| CN102429714A (en) * | 2011-08-15 | 2012-05-02 | 谢友军 | Distal end radius fracture plate |
| CN202497227U (en) * | 2011-11-30 | 2012-10-24 | 赵小明 | Radius shaft steel plate |
| CN203388933U (en) * | 2013-06-28 | 2014-01-15 | 天津市康尔医疗器械有限公司 | Distal radius palmar locking plate |
| CN204049818U (en) * | 2014-09-12 | 2014-12-31 | 常州华森医疗器械有限公司 | The miniature locking bone fracture plate of head of radius |
| CN105380706A (en) * | 2015-12-21 | 2016-03-09 | 上海麦启国际贸易有限公司 | Skin-outside fixation locker for fracture |
| CN105935310A (en) * | 2016-04-01 | 2016-09-14 | 北京良之介医疗科技有限公司 | Locking and external fixation device used for treatment of tibial fractures |
-
2017
- 2017-03-20 CN CN201710166754.8A patent/CN107049451A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6508819B1 (en) * | 2001-08-28 | 2003-01-21 | Hand Innovations, Inc. | Method of dorsal wrist fracture fixation |
| CN201759658U (en) * | 2010-01-15 | 2011-03-16 | 北京理贝尔生物工程研究所有限公司 | Distal-radius palmar-locking bone fracture plate |
| CN102429714A (en) * | 2011-08-15 | 2012-05-02 | 谢友军 | Distal end radius fracture plate |
| CN202497227U (en) * | 2011-11-30 | 2012-10-24 | 赵小明 | Radius shaft steel plate |
| CN203388933U (en) * | 2013-06-28 | 2014-01-15 | 天津市康尔医疗器械有限公司 | Distal radius palmar locking plate |
| CN204049818U (en) * | 2014-09-12 | 2014-12-31 | 常州华森医疗器械有限公司 | The miniature locking bone fracture plate of head of radius |
| CN105380706A (en) * | 2015-12-21 | 2016-03-09 | 上海麦启国际贸易有限公司 | Skin-outside fixation locker for fracture |
| CN105935310A (en) * | 2016-04-01 | 2016-09-14 | 北京良之介医疗科技有限公司 | Locking and external fixation device used for treatment of tibial fractures |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803195A (en) * | 2020-08-10 | 2020-10-23 | 武汉苓桂医疗科技有限公司 | Non-straddle type external fixator for treating distal radius fracture |
| WO2023143149A1 (en) * | 2022-01-25 | 2023-08-03 | 陈聚伍 | Intramedullary fixing system for fracture end |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210825 Address after: No. 808, building 6, Xinjiekou East Street, Xicheng District, Beijing 100035 Applicant after: Zhang Shouhui Address before: 101399 No. 4-1, No. 20, south of Longtang Road, Beiwu Town, Shunyi District, Beijing (scientific and technological innovation functional zone) Applicant before: JIEZHILIANG (BEIJING) MEDICAL TECHNOLOGY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |