CN2527235Y - Bone-setting device - Google Patents
Bone-setting device Download PDFInfo
- Publication number
- CN2527235Y CN2527235Y CN 02232401 CN02232401U CN2527235Y CN 2527235 Y CN2527235 Y CN 2527235Y CN 02232401 CN02232401 CN 02232401 CN 02232401 U CN02232401 U CN 02232401U CN 2527235 Y CN2527235 Y CN 2527235Y
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- assembly
- spicule
- adjustment
- gear
- ring assembly
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Abstract
A bone connector pertains to the medical instruments, which is mainly used for bone connection and positioning after the bone fracture, the instrument is composed of a spiral connecting rod, a tension ring assembly which is arranged on the spiral connecting rod, a mobile bone needle holder assembly, a fixed bone needle holder assembly, a rotating ring assembly and an adjusting handle, a bone needle adjusting stand assembly is arranged on the tension ring assembly, a lower bone needle adjusting stand assembly and an all-round adjusting assembly are respectively arranged on the two end surfaces of the rotating ring assembly, the main parts are made from the non-metal materials, the instrument can realize the three-dimensional multi-degree of freedom adjustment when in use of the utility model for bone connection, which can not only play the adjusting role of the bone connection, but can also be used for fixation with the synchronous completion, the utility model is characterized by reasonable design, light weight, full function, good treatment effect, no ray shielding during the usage and low pin tract infection rate.
Description
Technical field
This utility model belongs to medical apparatus and instruments, is mainly used in fracture synthetism adjustment, location and fixing.
Background technology
At present, treatment of fractures is still mostly to be after adopting the X-ray film making, to adjust, reset, locate synthetism with hands with Jie's experience and technology by the orthopedist, fixes with plaster splint or holder then.Because of the plaster fixation mode is very backward, now less employing, holder uses comparatively general.But because fracture fixing apparatus is to be manufactured by metal material, weight is big, uses inconvenience, and this device only can be used in fixing use the after the manual synthetism, can not do the synthetism adjustment and use.In recent years, raising along with medical technique level, a kind of synthetism adjustment, fix the interoperable bone fracture devices development of two kinds of merits and finish, yet because structure is dumb, the adjustment capability that only has two degree of freedom can not realize comprehensive adjustment, again because of all manufacturing with metal material, ray occurs and block, do not reach the effect of clinical practice.
Summary of the invention
The purpose of this utility model is exactly that design provides a kind of novel bone fracture device, reaching this device can finish the synthetism adjustment, can bear fixing after the synthetism again and carry out synchronously, realize that three-dimensional multiple degrees of freedom adjustment, no ray block, reduce pin site infection, good, the lightweight purpose of therapeutic effect.
Basic design of the present utility model is, stretch ring assembly, mobile spicule frame assembly, bone fixation punch block assembly and rotating ring assembly are installed on stirrup successively, on stretch ring assembly lateral surface, be provided with spicule adjustment rack assembly, on the outer and inner side of rotating ring assembly, be equipped with spicule adjustment rack assembly and comprehensive adjustment assembly respectively, adjusting handle and can use with each assembly is equipped.The stretch ring assembly is by the stretch ring housing that has spicule adjustment rack installing hole and gear installing hole, and equipped its interior worm gear, gear ring, gear and the assembling of longitudinal spiral pull bar constitute.The gear ring that is provided with down spicule adjustment rack assembly installing hole and comprehensive levelling assembly installing hole constitutes the rotating ring assembly with the rotating ring housing assembling that has stirrup through hole and worm gear.Comprehensive adjustment assembly by worm screw, worm gear, adjust threaded rod, worm and gear housing, link, comprehensive adjustment spicule frame up and down and form.Fixed connecting base, spicule support, securing member, spicule, adjustment screw rod, adjustment nut and fixed connecting base, securing bracket, spicule, adjustment screw rod assembly upper and lower spicule adjustment rack assembly respectively.Mobile spicule frame assembly comprises mobile spicule frame, spicule, securing member and the adjustable fixation clamp that is threaded hole, stirrup through hole.This device principal assembly parts adopt the nonmetallic materials manufacturing.
The characteristics that the utlity model has reasonable in design, function are complete, therapeutic effect good, weight is light, no ray blocks, the pin site infection rate is low in using.
Description of drawings
Fig. 1 is the overall assembly structure sketch map of bone fracture device;
Fig. 2 is a stretch ring assembly structure sketch map;
Fig. 3 is the side direction view of Fig. 2;
Fig. 4 is a rotating ring assembly structure sketch map;
Fig. 5 is comprehensive adjustment assembly structure sketch map;
Fig. 6 goes up spicule adjustment rack assembly structure sketch map;
Fig. 7 is following spicule adjustment rack assembly structure sketch map;
Fig. 8 is mobile spicule frame assembly structure sketch map.
The specific embodiment
Below in conjunction with accompanying drawing this utility model optimum implementation is described in detail.Bone fracture device, equipped respectively stretch ring assembly 3 and rotating ring assembly 6 on the two-end part of stirrup 1, its stretch ring assembly 3 can move axially along stirrup 1, and rotating ring assembly 6 can be fastened on the stirrup 1 by securing member; Last spicule adjustment rack assembly 2 and following spicule adjustment rack assembly 7 are installed in respectively on stretch ring assembly 3 and rotating ring assembly 6 outside end faces; Adorning mobile spicule frame assembly 4 near establishing on the stirrup 1 of stretch ring assembly 3 one sides between stretch ring assembly 3 and the rotating ring assembly 6, installing bone fixation punch block assembly 5 near on the stirrup 1 of rotating ring assembly 6 one sides; Comprehensive adjustment assembly 8 is inserted on the rotating ring assembly 6, and integral body is positioned at rotating ring assembly 6 inboards; Adjusting handle 9 can cooperate with the adjustment hole plug-in mounting of last spicule adjustment rack assembly 2, stretch ring assembly 3, rotating ring assembly 6, following spicule adjustment rack assembly 7 and comprehensive adjustment assembly 8 respectively.Stretch ring assembly 3 structures are: be provided with spicule adjustment rack installing hole 15 and gear installing hole 16 on the stretch ring housing 13; The gear 14 that has the female thread endoporus that cooperates with stirrup 1 external screw thread is fitted in the gear installing hole 16, and meshes with the gear ring 12 that is arranged in the stretch ring housing 13; Have and adjust handle 9 and cooperates the worm gear 11 of endoporus to be fitted in stretch ring housing 13 tops, mesh with gear ring 12; Longitudinal spiral pull bar 10 is fixed on stretch ring housing 13 medial surface and is positioned on gear installing hole 16 sidepieces.Rotating ring assembly 6 structures are: have on external peripheral surface gear ring 20 is installed in the rotating ring housing 19 of stirrup through hole 21, gear ring 20 cooperates the worm gear 18 of endoporus to mesh with having and adjust handle 9, worm gear 18 is configured in rotating ring housing 19 tops, is provided with spicule adjustment rack assembly installing hole 17 and comprehensive adjustment assembly installing hole 22 down on the inner hole wall of gear ring 20.Comprehensive adjustment assembly 8 structures are: intermeshing worm screw 23 and worm gear 25 are installed in worm and gear housing 24, worm gear 25 with adjust threaded rod 26 sockets up and down, worm and gear housing 24 usefulness securing members are packed on the link 27; Adjusting the comprehensive adjustment spicule frame 28 that is slidingly installed on threaded rod 26 lower ends up and down, install spicule 32 by adjustable fastener on the arcuate groove of its arcual comprehensive adjustment spicule frame 28, this spicule 32 is tiltable or horizontal adjustment on comprehensive adjustment spicule frame 28; Link 27 is inserted in the comprehensive adjustment assembly installing hole 22 of rotating ring assembly 6.Last spicule adjustment rack assembly 2 structures are: install in fixed connecting base 29 and have the adjustment screw rod 33 that cooperates endoporus with adjustment handle 9, can be along adjusting screw rod 33 axially movable spicule supports 30 for suit on rotating adjustment screw rod 33, securing member 31 is packed in spicule 32 on the spicule support 30, be provided with on spicule support 30 and adjust nut 42, this assembly 2 utilizes fixed connecting base 29 to be packed on stretch ring assembly 3 outside end faces.Following spicule adjustment rack assembly 7 structures are: rotating adjustment screw rod 36 is installed in fixed connecting base 34, is provided with on the axle head women's head-ornaments of screw rod 36 and adjusts the endoporus that handle 9 matches adjusting; Securing bracket 35 lower ends are sleeved on to be adjusted on the screw rod 36, and can move along its axis; Spicule 32 two ends are connected on the securing bracket 35; This assembly 7 utilizes fixed connecting base 34 to be packed on the following spicule adjustment rack assembly installing hole 17 of tooth Figure 20 of rotating ring assembly 6.Mobile spicule frame assembly 4 structures are: adjustable fixation clamp 39 all is installed on the lower and upper end of mobile spicule frame 40, be provided with screwed hole 37 and stirrup through hole 38 on adjustable fixation clamp 39, this screwed hole 37 and stirrup through hole 38 cooperate with the longitudinal spiral pull bar 10 and the stirrup 1 of stretch ring assembly 3 respectively; Securing member 41 is with on the adjustable arcuate groove that is installed in mobile spicule frame 40 of spicule 32.This device all adopts nonmetallic materials to manufacture except that spicule 32.
During use, bone fracture device is sleeved on the fracture site, spicule 32 was stung locking on last spicule adjustment rack assembly 2, mobile spicule frame assembly 4, comprehensive adjustment assembly 8 and following spicule adjustment rack assembly 7 respectively behind the skeleton, and handle 9 rotates worm gears 11 and gear ring 12, gear 14 make stretch ring assembly 3 and mobile spicule frame assembly 4 drive skeletons move axially, adjust, locate with adjusting; Rotate worm gear 18 and gear 20 with adjusting handle 8, following spicule adjusting bracket assembly 7 and comprehensive adjustment assembly 8 on the rotating ring assembly 6 are circumferentially rotated, adjustment, para-position; Various angle fine settings can be adopted each spicule 32 position, angle to change and realize.After the synthetism, available bone fixation punch block assembly 5 is fixing jointly with other spicules 32.
Claims (8)
1, a kind of bone fracture device, it is characterized in that equipped respectively stretch ring assembly (3) and rotating ring assembly (6) on the two-end part of stirrup (1), its stretch ring assembly (3) can move axially along stirrup (1), and rotating ring assembly (6) can be fastened on the stirrup (1) by securing member; Last spicule adjustment rack assembly (2) and following spicule adjustment rack assembly (7) are installed in respectively on stretch ring assembly (3) and rotating ring assembly (6) outside end face; Adorning mobile spicule frame assembly (4) near establishing on the stirrup (1) of stretch ring assembly (3) one sides between stretch ring assembly (3) and the rotating ring assembly (6), installing bone fixation punch block assembly (5) near on the stirrup (1) of rotating ring assembly (6) one sides; Comprehensive adjustment assembly (8) is inserted on the rotating ring assembly (6), and integral body is positioned at rotating ring assembly (6) inboard; Adjusting handle (9) can cooperate with the adjustment hole plug-in mounting of last spicule adjustment rack assembly (2), stretch ring assembly (3), rotating ring assembly (6), following spicule adjustment rack assembly (7) and comprehensive adjustment assembly (8) respectively.
2, bone fracture device according to claim 1 is characterized in that stretch ring assembly (3) structure is: be provided with spicule adjustment rack installing hole (15) and gear installing hole (16) on stretch ring housing (13); The gear (14) that has the female thread endoporus that cooperates with stirrup (1) external screw thread is fitted in the gear installing hole (16), and meshes with the gear ring (12) that is arranged in the stretch ring housing (13); Have and adjust handle (9) and cooperate the worm gear (11) of endoporus to be fitted in stretch ring housing (13) top, mesh with gear ring (12); Longitudinal spiral pull bar (10) is fixed on stretch ring housing (13) medial surface and is positioned on gear installing hole (16) sidepiece.
3, bone fracture device according to claim 1, it is characterized in that rotating ring assembly (6) structure is: on external peripheral surface, have gear ring (20) is installed in the rotating ring housing (19) of stirrup through hole (21), gear ring (20) cooperates the worm gear (18) of endoporus to mesh with having and adjust handle (9), worm gear (18) is configured in rotating ring housing (19) top, is provided with spicule adjustment rack assembly installing hole (17) and comprehensive adjustment assembly installing hole (22) down on the inner hole wall of gear ring (20).
4, bone fracture device according to claim 1, it is characterized in that comprehensive adjustment assembly (8) structure is: intermeshing worm screw (23) and worm gear (25) are installed in worm and gear housing (24), worm gear (25) with adjust threaded rod (26) socket up and down, worm and gear housing (24) is packed on the link (27) with securing member; Adjusting the comprehensive adjustment spicule frame (28) that is slidingly installed on threaded rod (26) lower end up and down, install spicule (32) by adjustable fastener on the arcuate groove of its arcual comprehensive adjustment spicule frame (28), this spicule (32) is gone up tiltable or horizontal adjustment at comprehensive adjustment spicule frame (28); Link (27) is inserted in the comprehensive adjustment assembly installing hole (22) of rotating ring assembly (6).
5, bone fracture device according to claim 1, it is characterized in that spicule adjustment rack assembly (2) structure is: in fixed connecting base (29), install and have the adjustment screw rod (33) that cooperates endoporus with adjustment handle (9), at the last suit of rotating adjustment screw rod (33) can be along adjusting screw rod (33) axially movable spicule supports (30), securing member (31) is packed in spicule (32) on the spicule support (30), be provided with on spicule support (30) and adjust nut (42), this assembly (2) utilizes fixed connecting base (29) to be packed on the end face of stretch ring assembly (3) outside.
6, bone fracture device according to claim 1, it is characterized in that down spicule adjustment rack assembly (7) structure is: rotating adjustment screw rod (36) is installed, on the axle head women's head-ornaments of adjusting screw rod (36), is provided with and adjusts the endoporus that handle (9) matches in fixed connecting base (34); Securing bracket (35) lower end is sleeved on to be adjusted on the screw rod (36), and can move along its axis; Spicule (32) two ends are connected on the securing bracket (35); This assembly (7) utilizes fixed connecting base (34) to be packed on the following spicule adjustment rack assembly installing hole (17) of gear ring (20) of rotating ring assembly (6).
7, bone fracture device according to claim 1, it is characterized in that mobile spicule frame assembly (4) structure is: adjustable fixation clamp (39) all is installed on the lower and upper end of mobile spicule frame (40), be provided with screwed hole (37) and stirrup through hole (38) on adjustable fixation clamp (39), this screwed hole (37) and stirrup through hole (38) cooperate with the longitudinal spiral pull bar (10) and the stirrup (1) of stretch ring assembly (3) respectively; Securing member (41) is with on the adjustable arcuate groove that is installed in mobile spicule frame (40) of spicule (32).
8, bone fracture device according to claim 1 is characterized in that this device except that spicule (32), all adopts nonmetallic materials to manufacture.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232401 CN2527235Y (en) | 2002-04-12 | 2002-04-12 | Bone-setting device |
| PCT/CN2003/000204 WO2003086211A1 (en) | 2002-04-12 | 2003-03-19 | External restitution and fixation device for osteoplasty |
| AU2003221223A AU2003221223A1 (en) | 2002-04-12 | 2003-03-19 | External restitution and fixation device for osteoplasty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232401 CN2527235Y (en) | 2002-04-12 | 2002-04-12 | Bone-setting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2527235Y true CN2527235Y (en) | 2002-12-25 |
Family
ID=33707801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02232401 Expired - Fee Related CN2527235Y (en) | 2002-04-12 | 2002-04-12 | Bone-setting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2527235Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009040307A1 (en) * | 2009-09-05 | 2011-03-10 | Arne Jansen | Device for fixing bone segments |
| CN105726108A (en) * | 2016-01-29 | 2016-07-06 | 湖北工程学院 | Bone holder for minimally invasive orthopedic surgery |
| CN106388919A (en) * | 2014-10-24 | 2017-02-15 | 吴昊 | Coiled spring shaped external bone fixator capable of achieving minimally invasive surgery purpose and working method of coiled spring shaped external bone fixator |
| GB2573000A (en) * | 2018-04-19 | 2019-10-23 | Metlase Ltd | External Fixator |
-
2002
- 2002-04-12 CN CN 02232401 patent/CN2527235Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009040307A1 (en) * | 2009-09-05 | 2011-03-10 | Arne Jansen | Device for fixing bone segments |
| WO2011026475A1 (en) | 2009-09-05 | 2011-03-10 | Surgitaix Ag | Device for fixating bone segments |
| CN106388919A (en) * | 2014-10-24 | 2017-02-15 | 吴昊 | Coiled spring shaped external bone fixator capable of achieving minimally invasive surgery purpose and working method of coiled spring shaped external bone fixator |
| CN105726108A (en) * | 2016-01-29 | 2016-07-06 | 湖北工程学院 | Bone holder for minimally invasive orthopedic surgery |
| GB2573000A (en) * | 2018-04-19 | 2019-10-23 | Metlase Ltd | External Fixator |
| GB2573000B (en) * | 2018-04-19 | 2020-04-15 | Metlase Ltd | External Fixator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021225 Termination date: 20100412 |