CN103300956A - Non-invasive wrist trans-articular external fixator - Google Patents
Non-invasive wrist trans-articular external fixator Download PDFInfo
- Publication number
- CN103300956A CN103300956A CN2013102291505A CN201310229150A CN103300956A CN 103300956 A CN103300956 A CN 103300956A CN 2013102291505 A CN2013102291505 A CN 2013102291505A CN 201310229150 A CN201310229150 A CN 201310229150A CN 103300956 A CN103300956 A CN 103300956A
- Authority
- CN
- China
- Prior art keywords
- fixing head
- metacarpus
- external fixator
- striden
- governor motion
- 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.)
- Granted
Links
Images
Abstract
The invention provides a non-invasive wrist trans-articular external fixator which comprises an arm fixing plate, a palm fixing plate and a regulating mechanism, wherein the palm fixing plate is attached to a palm and enables fingers to be exposed out; the regulating mechanism is connected with the arm fixing plate and the palm fixing plate; the regulating mechanism comprises a first regulating mechanism and a second regulating mechanism; the first regulating mechanism is connected with the palm fixing plate and the arm fixing plate on one side of the palm back and the length and the angle of the first regulating mechanism can be regulated; and the second regulating mechanism is connected with the palm fixing plate and the arm fixing plate on the other sides and the length of the second regulating mechanism can be regulated.
Description
Technical field
The present invention relates to technical field of medical instruments, a kind of noinvasive is striden the carpal joint external fixator specifically.
Background technology
Radius far-end fracture refers to be positioned at the cancellous bone fracture apart from radiocarpal joint face 2.5～3cm.The Radial cortical bone is divided a word with a hyphen at the end of a line section with distal part to spongy bone, for dissecting weakness, in case the external force of suffering, easily fracture.Radius far-end fracture is common, accounts for 1/6 of whole body fracture sum.Carpal joint is the most complicated joint of structure in the human body, also is the highest important joint of whole body motion frequency.Radius far-end fracture damage mechanism is complicated, and classification of fracture is various, and Therapeutic Method is flexible.If malpractice easily causes carpal joint chronic pain and stiff, have a strong impact on the function of hand, bring inconvenience to the patient.After the unstability radius far-end fracture is often referred to the closed reduction fracture, can't keep the good para-position of distal radius and to the fracture of line with Gypsum Fibrosum or clamping plate, its index comprise the distal radius dorsal part pulverize, a plurality of through ossa articularia folded block, the cripetura of radius length surpass 2mm, distal aspect of the radius to the dorsal part angulation surpass 20, to merge ulnar fracture and distal radioulnar ioint unstable etc.The serious osteoporosis of the normal merging of old people is even low-yield damage also can cause the distal radius unstable fracture; High energy trauma causes comminuted fracture of distal radius usually, and surrounding soft tissue is impaired serious.Reset with plaster slab or fixing often can not the keeping of clamping plate behind this type fracture manual reduction, and radial shortening and fracture redisplacement occur, finally cause malunion of fracture, the wrist joint function obstacle.Many doctors adopt interior fixing method in recent years.Wrist is dissected complicated, and how unstable fracture is pulverized, and morbidity mostly is the old people, osteoporosis, and general steel plate is many can not be effectively fixing, and locking steel plate is expensive, and technical operation is complicated, and is all very high to the requirement of doctor's technology and equipment.Have the scholar to think, utilize ligament reduction principle reseting fracture after, keep the prefered method that countertraction fixedly is treatment unstability radius far-end fracture with the bone external fixator.But also for the wound operation is arranged, equipment and technology also there is higher requirement, External fixation screw is inserted process and radial nerve,superficial damage or embedding folder and External fixation screw might occur run through tendon or muscle, and the complication such as pin track infection, the iatrogenic fracture of second metacarpal bone can appear in postoperative.
Because the particularity of Wrist fracture on Pathophysiology and biomechanics makes its treatment become a difficult problem of orthopaedics and tranmstology always, the malunion of Wrist fracture, chronic pain, ankylosis are still ubiquitous complication.Seek a kind of noinvasive, holder effective, easy and simple to handle.
Summary of the invention
Technical assignment of the present invention is to solve the deficiencies in the prior art, provides a kind of noinvasive to stride the carpal joint external fixator.
Technical scheme of the present invention realizes in the following manner, this a kind of noinvasive is striden the carpal joint external fixator, comprise the arm fixing head, be attached on the palm and expose the governor motion of metacarpus fixing head, arm portions fixing head and the metacarpus fixing head of finger, described governor motion comprises the metacarpus fixing head and the first governor motion of arm fixing head and adjustable length and angle, the metacarpus fixing head that is connected other side and arm fixing head and length-adjustable the second governor motion that connects the palm back of the body one side.
In technique scheme, be designed with the arm fixing head that is placed on the arm, the fixing metacarpus fixing head on the palm, the two connects by governor motion regulates, and then finish carpal fixing, wherein the governor motion length at the back of the hand place is adjustable, guarantees the needs of wrist fixed position; Other governor motion is then collaborative to carpal traction or pressurization, and then effectively fixing carpal joint.
As preferably, described the first governor motion comprises length-adjustable adjusting rod, connecting rod, one end of this adjusting rod is provided with connecting rod by lateral surface, the other end of universal joint arm portions fixing head by the swivel socket, and described connecting rod is installed on the lateral surface of metacarpus fixing head.In this technical scheme, universal joint has guaranteed that the angle of adjusting rod is adjustable, and arranging of swivel guaranteed that connecting rod regulates in certain angle, guarantees regulating effect, and connecting rod can be made length adjustment along swivel simultaneously, and then finishes better traction and fix.
Further, in described the first governor motion, connecting rod can cooperate adjusting rod to form 90～180 degree angles along swivel.This angle refers to the angle towards the back of the hand that forms between connecting rod and the adjusting rod, adopts this angle to be because the human body wrist is when fracture occurring, and its best traction angle is above-mentioned angle.
As preferably, described the second governor motion comprises length-adjustable adjusting rod, and the two ends of this adjusting rod are respectively by the lateral surface of universal joint arm portions fixing head and the lateral surface of metacarpus fixing head.This second governor motion is mainly used in the wrist traction of pressurizeing.
As preferably, described adjusting rod refers to length-adjustable expansion link or the positive backward leading screw by the regulating sleeve socket, and when adjusting rod was positive backward leading screw with regulating sleeve, the regulating sleeve thread bush was connected on the relative inner end of positive backward leading screw.In the general design, select positive backward leading screw in the majority, this is because positive backward leading screw is being connected with regulating sleeve by screw thread, fixes comparatively firmly, is not prone to looseningly, and consolidation effect and regulating effect are all relatively good.
As preferably, fixing head is the anatomical form thermoplastic plate, by binding strip elasticity constraint pressurization, evenly offers air-vent on fixing head between the fixing head, and the fixing head here refers to above-mentioned arm fixing head and metacarpus fixing head.Adopting this technical scheme is to consider that different patient's arm thicknesses differs, and this arm fixing head just goes for various arms, practical, the air-vent that arm is offered is for the fixing situation of long-time wrist, and the position of avoiding being fixed is because of the long-time airtight situations such as erythema, skin discomfort that occur.
As preferably, be provided with breathable viscosity liner on the medial surface of described arm fixing head.Adopt this viscosity liner can be so that the arm fixing head sticks on the arm is more prone to.
As preferably, be provided with breathable viscosity liner on the medial surface of described metacarpus fixing head.Adopt this viscosity liner can be so that the metacarpus fixing head sticks on the palm is more prone to.
The beneficial effect that the present invention compared with prior art produces is:
A kind of noinvasive of the present invention is striden the carpal joint external fixator and is had simple in structure, easy to use, the characteristics such as be skillfully constructed, and by the thermoplastic plate of design anatomical form, can make the contact of forearm and hand large tracts of land, uniform stressed; Add the viscosity liner, more increased the power of being adhered fixed, effectively disperse the fixedly shearing that produces of displacement fracture of distraction force that traction produces and antagonism; Fixing head is fixed with binding strip, can adjust at any time elasticity, but the equal hand operation of universal joint and adjusting rod, convenient pull strength and the fixed angle adjusted, simultaneously can fixedly change power into by static(al) and fix, in the situation that keep fracture stabilization, be convenient to as early as possible exercise of joint function; Air-vent is arranged on the fixing head, can reduce the fixedly sense of discomfort of skin of long time, the scope of application is extensive, is easy to promote.
Description of drawings
Accompanying drawing 1 is the Facad structure schematic diagram of the present invention when using.
Accompanying drawing 2 is the present invention's structure schematic diagrams when using.
Accompanying drawing 3 is arm fixing head generalized sections of the present invention.
Accompanying drawing 4 is metacarpus fixing head generalized sections of the present invention.
Labelling in the accompanying drawing represents respectively:
1, air-vent, 2, the arm fixing head, 3, universal joint, 4, regulating sleeve, 5, positive backward leading screw, 6, connecting rod, 7, the metacarpus fixing head, 8, swivel, 9, binding strip, 10, the viscosity liner.
The specific embodiment
Below in conjunction with accompanying drawing a kind of noinvasive of the present invention being striden the carpal joint external fixator is described in detail below.
Such as accompanying drawing 1, shown in Figure 2, now provide a kind of noinvasive to stride the carpal joint external fixator, comprise arm fixing head 2, be attached on the palm and expose the metacarpus fixing head 7, arm portions fixing head 2 of finger and the governor motion of metacarpus fixing head 7, described governor motion comprise the metacarpus fixing head 7 that connects the palm back of the body one side and arm fixing head 2 and adjustable length and angle the first governor motion, be connected metacarpus fixing head 7 and arm fixing head 2 and length-adjustable second governor motion of other side.
Described the first governor motion comprises length-adjustable adjusting rod, connecting rod 6, one end of this adjusting rod is provided with connecting rod 6 by lateral surface, the other end of universal joint 3 arm portions fixing heads 2 by swivel 8 sockets, and described connecting rod 6 is installed on the lateral surface of metacarpus fixing head 7.
In described the first governor motion, connecting rod 6 can cooperate adjusting rod to form 90～180 degree angles along swivel 8.
Described the second governor motion comprises length-adjustable adjusting rod, and the two ends of this adjusting rod are respectively by the lateral surface of universal joint 3 arm portions fixing heads 2 and the lateral surface of metacarpus fixing head 7.
Described adjusting rod refers to length-adjustable expansion link or the positive backward leading screw 5 by regulating sleeve 1 socket, and when adjusting rod was positive backward leading screw 5 with regulating sleeve 1, regulating sleeve 1 thread bush was connected on the relative inner end of positive backward leading screw 5.
Fixing head is the anatomical form thermoplastic plate, by binding strip 9 elasticity constraint pressurization, evenly offers air-vent 1 on fixing head between the fixing head, and the fixing head here refers to above-mentioned arm fixing head 2 and metacarpus fixing head 7.
As shown in Figure 3, be provided with breathable viscosity liner 10 on the medial surface of described arm fixing head 2.
As shown in Figure 4, be provided with breathable viscosity liner 10 on the medial surface of described metacarpus fixing head 7.
The concrete step of using: the lignocaine Local hematoma extraction anesthesia with 2%, select arm fixing head 2 and the metacarpus fixing head 7 of size to fit forearm and metacarpus, throw off viscosity plastic lining pad pasting, carefully be attached to forearm and metacarpus relevant position, attach and to use the hair dryer thermoplastic when not good, it dissect to be attached, tie up fixingly with binding strip 9, degree of tightness will suit.Countertraction reduction fracture, traction lower universal-joint 3, telescopic adjusting rod and adjustable connecting rod 6, fluoroscopic examination reduction of the fracture situation is if malreduction can be regulated by connecting rod 6.If occur local compression sense of discomfort or loosening in the therapeutic process, can by adjust traction strength, local heat is moulding and the method for degree of tightness binding strip 9 is corrected.Initial fixing general fixedly carpal joint is in the inclined to one side palmar flexion of chi position, and three Zhou Houke change functional position into, and to continue traction fixing, or is replaced with the power type extensible link and fixes, more morning movable carpal joint.
Also should illustrate at this, the present invention and above-described embodiment are only explained main improvement part of the present invention, obviously, enforcement of the present invention also relates to forcing screw hole that metacarpus fixing head, metacarpus fixing head offer and fixing screw hole etc., here the technology of using belongs to prior art, just gives unnecessary details no longer one by one at this.
In the above-described embodiments, preferred forms of the present invention is described, obviously; under inventive concept of the present invention, still can make a lot of variations, at this; should illustrate, any change of making under inventive concept of the present invention all will fall within the scope of protection of the present invention.
Claims (8)
1. a noinvasive is striden the carpal joint external fixator, it is characterized in that: comprise the arm fixing head, be attached on the palm and expose the governor motion of metacarpus fixing head, arm portions fixing head and the metacarpus fixing head of finger, described governor motion comprises the metacarpus fixing head and the first governor motion of arm fixing head and adjustable length and angle, the metacarpus fixing head that is connected other side and arm fixing head and length-adjustable the second governor motion that connects the palm back of the body one side.
2. a kind of noinvasive according to claim 1 is striden the carpal joint external fixator, it is characterized in that: described the first governor motion comprises length-adjustable adjusting rod, connecting rod, one end of this adjusting rod is provided with connecting rod by lateral surface, the other end of universal joint arm portions fixing head by the swivel socket, and described connecting rod is installed on the lateral surface of metacarpus fixing head.
3. a kind of noinvasive according to claim 2 is striden the carpal joint external fixator, it is characterized in that: in described the first governor motion, connecting rod can cooperate adjusting rod to form 90～180 degree angles along swivel.
4. arbitrary described a kind of noinvasive is striden the carpal joint external fixator according to claim 1～3, it is characterized in that: described the second governor motion comprises length-adjustable adjusting rod, and the two ends of this adjusting rod are respectively by the lateral surface of universal joint arm portions fixing head and the lateral surface of metacarpus fixing head.
5. a kind of noinvasive according to claim 4 is striden the carpal joint external fixator, it is characterized in that: described adjusting rod refers to length-adjustable expansion link or the positive backward leading screw that is socketed by regulating sleeve, when adjusting rod was positive backward leading screw with regulating sleeve, the regulating sleeve thread bush was connected on the relative inner end of positive backward leading screw.
6. a kind of noinvasive according to claim 1 is striden the carpal joint external fixator, it is characterized in that: fixing head is the anatomical form thermoplastic plate, pressurize by the constraint of binding strip elasticity between the fixing head, evenly offer air-vent on fixing head, the fixing head here refers to above-mentioned arm fixing head and metacarpus fixing head.
7. a kind of noinvasive according to claim 1 is striden the carpal joint external fixator, it is characterized in that: be provided with breathable viscosity liner on the medial surface of described arm fixing head.
8. a kind of noinvasive according to claim 1 is striden the carpal joint external fixator, it is characterized in that: be provided with breathable viscosity liner on the medial surface of described metacarpus fixing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310229150.5A CN103300956B (en) | 2013-06-09 | 2013-06-09 | Non-invasive wrist trans-articular external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310229150.5A CN103300956B (en) | 2013-06-09 | 2013-06-09 | Non-invasive wrist trans-articular external fixator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103300956A true CN103300956A (en) | 2013-09-18 |
| CN103300956B CN103300956B (en) | 2015-04-15 |
Family
ID=49126973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310229150.5A Expired - Fee Related CN103300956B (en) | 2013-06-09 | 2013-06-09 | Non-invasive wrist trans-articular external fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103300956B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103565569A (en) * | 2013-10-14 | 2014-02-12 | 天津科技大学 | Boxing fracture reduction-fixator |
| CN104510553A (en) * | 2013-09-28 | 2015-04-15 | 沈阳新松机器人自动化股份有限公司 | Hand clamping mechanism and traction device |
| CN104510552A (en) * | 2013-09-28 | 2015-04-15 | 沈阳新松机器人自动化股份有限公司 | Fracture traction device |
| CN105167897A (en) * | 2015-08-19 | 2015-12-23 | 王鼎兴 | Wrist fixing device with spring |
| CN105748259A (en) * | 2016-04-25 | 2016-07-13 | 四川乐彤科技有限公司 | Multi-freedom-degree joint intelligent traction robot |
| CN106821577A (en) * | 2017-02-17 | 2017-06-13 | 何诗跃 | A kind of arm fracture cradle |
| CN106943224A (en) * | 2017-04-11 | 2017-07-14 | 盐城卫生职业技术学院 | A kind of finger fixed support |
| CN108543222A (en) * | 2018-05-14 | 2018-09-18 | 潍坊学院 | A kind of adjustable fixing device for wrist fracture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179799B1 (en) * | 1999-02-01 | 2001-01-30 | Robert E. Doran | Orthosis for supination and pronation of the wrist |
| CN2766805Y (en) * | 2005-03-01 | 2006-03-29 | 中国振华集团华联无线电器材厂 | Functional plastic splint for joint |
| CN101716104A (en) * | 2009-12-10 | 2010-06-02 | 杨兆新 | Portable combined type fixing device for first aid of limb fracture |
| WO2010094971A2 (en) * | 2009-02-20 | 2010-08-26 | Cambfix Limited | Fixator |
| CN203315143U (en) * | 2013-06-09 | 2013-12-04 | 刘涛 | Noninvasive external fixator across wrist joint |
-
2013
- 2013-06-09 CN CN201310229150.5A patent/CN103300956B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179799B1 (en) * | 1999-02-01 | 2001-01-30 | Robert E. Doran | Orthosis for supination and pronation of the wrist |
| CN2766805Y (en) * | 2005-03-01 | 2006-03-29 | 中国振华集团华联无线电器材厂 | Functional plastic splint for joint |
| WO2010094971A2 (en) * | 2009-02-20 | 2010-08-26 | Cambfix Limited | Fixator |
| CN101716104A (en) * | 2009-12-10 | 2010-06-02 | 杨兆新 | Portable combined type fixing device for first aid of limb fracture |
| CN203315143U (en) * | 2013-06-09 | 2013-12-04 | 刘涛 | Noninvasive external fixator across wrist joint |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104510553A (en) * | 2013-09-28 | 2015-04-15 | 沈阳新松机器人自动化股份有限公司 | Hand clamping mechanism and traction device |
| CN104510552A (en) * | 2013-09-28 | 2015-04-15 | 沈阳新松机器人自动化股份有限公司 | Fracture traction device |
| CN104510552B (en) * | 2013-09-28 | 2017-01-18 | 沈阳新松机器人自动化股份有限公司 | Fracture traction device |
| CN103565569A (en) * | 2013-10-14 | 2014-02-12 | 天津科技大学 | Boxing fracture reduction-fixator |
| CN103565569B (en) * | 2013-10-14 | 2016-02-24 | 天津科技大学 | Boxer fracture reset-holder |
| CN105167897A (en) * | 2015-08-19 | 2015-12-23 | 王鼎兴 | Wrist fixing device with spring |
| CN105748259A (en) * | 2016-04-25 | 2016-07-13 | 四川乐彤科技有限公司 | Multi-freedom-degree joint intelligent traction robot |
| CN106821577A (en) * | 2017-02-17 | 2017-06-13 | 何诗跃 | A kind of arm fracture cradle |
| CN106943224A (en) * | 2017-04-11 | 2017-07-14 | 盐城卫生职业技术学院 | A kind of finger fixed support |
| CN106943224B (en) * | 2017-04-11 | 2023-07-11 | 盐城卫生职业技术学院 | Finger fixing support |
| CN108543222A (en) * | 2018-05-14 | 2018-09-18 | 潍坊学院 | A kind of adjustable fixing device for wrist fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103300956B (en) | 2015-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103300956B (en) | Non-invasive wrist trans-articular external fixator | |
| AU2008275070B2 (en) | Extra-articular implantable mechanical energy absorbing systems and implantation method | |
| US20090125068A1 (en) | Apparatus for Dynamic External Fixation of Distal Radius and Wrist Fractures | |
| CN102772242B (en) | Distal fibular anatomic bone plate | |
| CN103989546B (en) | Radius far-end fracture noinvasive adjustable type plywood support support | |
| CN201042458Y (en) | Rear and internal side tibia far-end dissection type titanium plate | |
| CN107072802A (en) | The equipment that pain to the thumb saddle joint disease as caused by degenerative, inflammatory and rheumatic symptom is relaxed | |
| Ekenstam et al. | The distal radio ulnar joint: the influence of geometry and ligament on simulated Colles' fracture. An experimental study | |
| CN204351984U (en) | A kind of adjustable lower limb fixes orthosis | |
| CN103445841A (en) | Regulation-control orthosis for coronal plane deformity of ankle | |
| CN203425012U (en) | Ankle joint coronal plane composite malformation regulating orthopedic device | |
| CN203315143U (en) | Noninvasive external fixator across wrist joint | |
| CN200998302Y (en) | Limited dynamic pressurization hip screw device | |
| CN103445835B (en) | Hip joint correction and thighbone extender | |
| CN205094563U (en) | Bionical motion hip joint external fixation ware | |
| CN203425014U (en) | Ankle joint coronal plane malformation regulating orthopedic device | |
| CN102895022A (en) | Multidirectional adjustable external radioulna fixing frame | |
| AU2010333067A8 (en) | Dorsal forearm plate | |
| CN205107861U (en) | Thighbone rear internal fixation coaptation board | |
| Vioreanu et al. | Posterior intrafocal pinning for reduction of oblique, extension supracondylar humeral fractures in children: a technical note | |
| CN202859269U (en) | Multi-direction adjustable foot radius external fixation frame | |
| CN113648042A (en) | Clavicle fracture percutaneous reduction distraction pressurization fixing device | |
| CN203425016U (en) | Hip joint orthopedics and thigh bone extender | |
| CN205322461U (en) | Novel medical elbow joint coaptation fixed bolster | |
| CN106170271A (en) | The supporting splint that can couple |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20160609 |