CN88203166U - Pulling support for external fixing of first metacarpal bone fracture - Google Patents
Pulling support for external fixing of first metacarpal bone fracture Download PDFInfo
- Publication number
- CN88203166U CN88203166U CN 88203166 CN88203166U CN88203166U CN 88203166 U CN88203166 U CN 88203166U CN 88203166 CN88203166 CN 88203166 CN 88203166 U CN88203166 U CN 88203166U CN 88203166 U CN88203166 U CN 88203166U
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- draw bar
- bone
- fracture
- drawing head
- adjustable draw
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model relates to a pulling support for external fixing of first metacarpal bone fracture, comprising a fixing sheath fixed on the wrist part, a pulling head fixed on a first metacarpal bone and an adjusting and pulling rod connected with the fixing sheath and the pulling head. The utility model has the advantages of simple structure, easy use and operation, can keep the stability of fracture anatomical reduction and is used for treat the unstable fracture at the basilar part of the first metacarpal bone, the healing rate of anatomical reduction is beyond 80%, and any functional sequelae can not be left after fracture concrescence.
Description
This utility model relates to a kind of metacarpal fracture, particularly fracture of first metacarpal external fixation towing bracket.
Treatment first metacarpal bone basilar part fracture has Therapeutic Method such as simple plaster fixation, abduction blocks felt pan are fixed, the traction of manual reduction Cast phalanges, open reduction internal fixation at present.The external plaster fixation method can obtain the comparatively satisfied effect except that treating the substrate transverse fracture that does not have displacement merely, and epiphysiolysis and unstable fracture such as Bin Naite (Bennett) fracture for treating, the effect of rowland many (Rolando) fracture is all undesirable.Abduction blocks felt pan fixation treatment unstable fracture keeps the fracture anatomical reduction except that not stablizing, and the adhesion of the cutaneous necrosis complication and first palm wrist joint also takes place felt pan compression fractures place skin easily.Though manual reduction Cast phalanges traction ruling by law is treated unstable fracture with the phalanges traction, can not keep the stability of fracture anatomical reduction, thereby effect can not be satisfactory.The reduction of the fracture of open reduction inner fixed law is good, but need undergo surgery.Especially the metal inner matter is taken out and also will carry out the operation second time, increased misery to patient.Slapped after while, very easily the generation infection causing fracture more and refer to take place functional disorder.
The purpose of this utility model provides a kind of easy to use, simple to operate, need not to perform the operation and to keep the stability of fracture anatomical reduction, the fracture more back palm refers to not have that any sequela takes place, and is particularly suitable for treating the external fixation towing bracket that first metacarpal bone basilar part unstable fracture such as Bin Naite fracture, Rolando fracture use.
This utility model is realized in the following manner.
The external fixation towing bracket is made of fixed cover, adjustable draw bar, drawing head three parts.Fixed cover is fixed on wrist top, and drawing head is fixed on the first metacarpal bone, and fixed cover, drawing head connect by adjustable draw bar.The angle of regulating after the reduction of the fracture between fixed cover and adjustable draw bar makes first metacarpal bone keep the abduction of certain angle, regulates adjustable draw bar and makes first metacarpal bone be subjected to the tractive of suitable pull strength.In the abduction angle and the pull strength that acts on the first metacarpal bone that can adjust first metacarpal bone during the tractive according to the fracture recovery situation of closing at any time, for the anatomical reduction that impels fracture is good, but the palm refers to fine motion, heals thereby fracture is in ideal conditions all the time.
Fixed cover is made of wrist shape hard elastic plate, the soft lining that is fixed on hard elastic plate inboard, the buckle of fixedlying connected with the lining two ends.The hard elastic plate outside is connected with bracing frame, and adjustable draw bar is connected on the bracing frame.The adjustable included angle joint of fixed cover and adjustable draw bar.General available rustless steel of wrist shape hard elastic plate or rigid plastics manufacturing.
Adjustable draw bar is made of preceding armed lever and the back armed lever that has a governor motion.Two armed levers, one end stretches in the governor motion, before the turn governor motion armed lever can before and after displacement to change the length of draw bar.
Take the lead and form by bone needle, bone needle support arm, detent mechanism.Bone needle is preferably two pieces, thrusts the first metacarpal bone both sides by the support arm support drawing head is fixed on the first metacarpal bone.
The support arm of two pieces of bone needles is whole the connection, and bone needle is connected by helicitic texture with support arm.During turn bone needle, two bone needles can sting to the marrow or by withdrawing from the bone, make drawing head be fixed on the first metacarpal bone or by unloading on the first metacarpal bone.Drawing head and adjustable draw bar are for detachably to connect.
For the ease of using, simplifying the operation, drawing head is preferably made the ice tongs type.Two pieces of bone needles and support arm integral body with drawing head of ice tongs structure are connected to form two tong arms, and two tong arms are hinged on the top end of armed lever before the adjustable draw bar, have certain mechanism that the needle-like jaw is clamped between two tong arms or open.
Each part detachable of external fixation towing bracket is deposited, and is convenient to the sterilization and the sterilization of support.Simple in structure, use and easy and simple to handle, be used for the treatment of first metacarpal bone basilar part unstable fracture need not the to perform the operation stability of the anatomical reduction that can keep fracture, so fracture anatomical reduction healing rate height, according to inventor's clinical test results, Bin Naite fracture anatomical reduction healing rate is more than 80%, and Rolando fracture anatomical reduction healing rate is 100%.The palm refers to not have any functional disorder generation after the union of fracture.
Accompanying drawing is an embodiment of the present utility model, goes on foot explanation this utility model below in conjunction with accompanying drawing.
Fig. 1 is that drawing head is the external fixation towing bracket structure chart of ice tongs type structure
Fig. 2 is the johning knot composition of armed lever and governor motion behind the adjustable draw bar
Fig. 3 is an ice tongs type drawing head structure chart
As shown in Figure 1, the external fixation towing bracket is made of fixed cover, adjustable draw bar, ice tongs type drawing head three parts.The wrist shape elastic plate (3) of fixed cover is made with rustless steel, and soft lining (2) rivet clasp is in wrist shape elastic plate inboard, and soft lining two ends are sewed with velcro (1).Adjustable draw bar bracing frame (4) is hinged on the wrist shape elastic plate outside.The back armed lever (16) of adjustable draw bar is connected on the hollow bolt (7) by lock screw (8).Hollow bolt is fixed on the gripper shoe (4) by nut (6).As shown in Figure 2, there is annular groove adjusting rod (9) the one end inside that have female thread, back armed lever connects an end with adjusting rod have annular groove, and back armed lever inserts interior two annular grooves of adjusting rod and aligns, and snap ring (15) is crouched into making adjusting rod form rotatable the connection with the back bar.The external fixation towing bracket utilize when using velcro with the fixed cover chucking, be fixed on wrist top, after the reduction of the fracture ice tongs jaw is clamped the first metacarpal bone both sides, to the tong arm application of force make needle-like jaw thorn to the marrow in.Positioning screw (12) one ends are hinged on tong arm (13) end, operating side, screw rod is put down in the Baltimore groove of the tong arm that crouches (14) end, operating side, turn external spiral device (11) and internal coiling device (15) clamp tong arm (14), thereby jaw is located.Preceding armed lever (10) screws in the adjusting rod by the turn adjusting rod, back armed lever utilizes lock screw to be fixedly connected on the bracing frame, according to the treatment requirement, the angle of regulating draw bar and fixed cover makes first metacarpal bone keep the abduction of certain angle, and angle mixes up back turn pilot pin (5) with fixed angle.Armed lever reach before the turn adjusting rod makes makes tractive that first metacarpal bone is subjected to suitable pull strength during tractive, wholely leads finger can to carry out slight heavy curtain moving, impels the reduction of the fracture good and to close internode smooth.The abduction angle of support and pull strength can be adjusted at any time according to the treatment needs.After the union of fracture support is put into disinfectant behind the unmount or deposited after sterilization, sterilization processing by refer to going up, in order to using next time.
Claims (5)
1, a kind of metacarpal fracture, particularly external fixation towing bracket of first metacarpal bone basilar part fracture of being used for, it is characterized in that constituting by fixed cover, adjustable draw bar, drawing head three parts, fixed cover is fixed on wrist top, drawing head is fixed on the first metacarpal bone, and fixed cover, drawing head connect by adjustable draw bar.
2, by the described external fixation towing bracket of claim 1, it is characterized in that said fixed cover by shape hard elastic plate, be fixed on the soft lining of elastic plate inboard, the buckle of fixedlying connected with the lining two ends constitutes, the wrist shape hard elastic plate outside is connected with bracing frame, adjustable draw bar is connected on the bracing frame, scalable between the folder between fixed cover and adjustable draw bar, said adjustable draw bar is made of preceding armed lever, the back armed lever that has a governor motion, before armed lever one end stretch in the governor motion, before the turn governor motion armed lever can before and after displacement to change the length of draw bar.
3, by claim 1 or 2 described external fixation towing brackets, it is characterized in that said drawing head is made up of bone needle, bone needle support arm, detent mechanism, said bone needle is preferably two pieces.
4, by the described external fixation towing bracket of claim 3, it is characterized in that the support arm of two pieces of bone needles connects for whole, bone needle connects by helicitic texture with support arm, and drawing head and adjustable draw bar are for removably connecting.
5, by the described external fixation towing bracket of claim 3, it is characterized in that said drawing head is the ice tongs type, two pieces of bone needles and support arm integral body are connected to form the top end that two tong arms are hinged on armed lever before the adjustable draw bar, between two tong arms detent mechanism are arranged, and the needle-like jaw is clamped or open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88203166 CN88203166U (en) | 1988-02-05 | 1988-02-05 | Pulling support for external fixing of first metacarpal bone fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88203166 CN88203166U (en) | 1988-02-05 | 1988-02-05 | Pulling support for external fixing of first metacarpal bone fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN88203166U true CN88203166U (en) | 1988-11-30 |
Family
ID=4838036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88203166 Withdrawn CN88203166U (en) | 1988-02-05 | 1988-02-05 | Pulling support for external fixing of first metacarpal bone fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN88203166U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997556A (en) * | 2015-08-05 | 2015-10-28 | 董晖 | Support reductor for treating tibial plateau fracture |
| CN105769347A (en) * | 2016-04-07 | 2016-07-20 | 苏州瑞华医院有限公司 | Orthopedic arm fixing apparatus |
| CN106214312A (en) * | 2016-09-30 | 2016-12-14 | 陈静珂 | Arm fixing device |
| CN106236222A (en) * | 2014-10-24 | 2016-12-21 | 烟台小米机械技术有限公司 | The hand bone anchor that a kind of wound degree is low and comfort level is high |
| CN109199556A (en) * | 2018-10-13 | 2019-01-15 | 范士洁 | A kind of bias single armed bone distraction apparatus |
-
1988
- 1988-02-05 CN CN 88203166 patent/CN88203166U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236222A (en) * | 2014-10-24 | 2016-12-21 | 烟台小米机械技术有限公司 | The hand bone anchor that a kind of wound degree is low and comfort level is high |
| CN104997556A (en) * | 2015-08-05 | 2015-10-28 | 董晖 | Support reductor for treating tibial plateau fracture |
| CN105769347A (en) * | 2016-04-07 | 2016-07-20 | 苏州瑞华医院有限公司 | Orthopedic arm fixing apparatus |
| CN106214312A (en) * | 2016-09-30 | 2016-12-14 | 陈静珂 | Arm fixing device |
| CN109199556A (en) * | 2018-10-13 | 2019-01-15 | 范士洁 | A kind of bias single armed bone distraction apparatus |
| CN109199556B (en) * | 2018-10-13 | 2023-09-29 | 范士洁 | Eccentric single-arm bone traction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |