CN201968807U - Tubular external fixing frame with adjustable final motion device - Google Patents
Tubular external fixing frame with adjustable final motion device Download PDFInfo
- Publication number
- CN201968807U CN201968807U CN2011200139904U CN201120013990U CN201968807U CN 201968807 U CN201968807 U CN 201968807U CN 2011200139904 U CN2011200139904 U CN 2011200139904U CN 201120013990 U CN201120013990 U CN 201120013990U CN 201968807 U CN201968807 U CN 201968807U
- Authority
- CN
- China
- Prior art keywords
- hole
- screw
- minor axis
- assembly
- hand member
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to a tubular external fixing frame with an adjustable final motion device and belongs to the field of medical instruments. The tubular external fixing frame can be used together with a spicule for treating limb fracture, correcting deformity, prolonging limbs, and the like, is fit for various hospitals, and is an excellent instrument for treating the patient with war wound and field bone fracture. The tubular external fixing frame with the adjustable final motion device comprises a back plate (1), a spring (2), a short shaft component (3), a locking bolt (4), a long shaft component (5), a gasket (6), a spindle (7) and a movable head component (8), wherein the center of the back plate (1) is provided with a through hole while the outer surface is provided with a netted pattern and a round hole; the left end of the locking bolt (4) is provided with an external thread and an inner hexagonal hole while the right end is provided with a step; and the left end of the spindle (7) is provided with a screw thread while the right end is provided with a thread hole and two symmetrical longitudinal slots; an operation position is firstly confirmed and then the inserted length and position of the spicule are confirmed, the hole is drilled, the spicule is inserted into the hole, the external fixing frame is installed, and lastly the external fixing frame is adjusted till meets the operation demand.
Description
Technical field
This utility model relates to a kind of cast external fixer with scalable and inching gear, belong to medical instruments field, cooperating diseases such as spicule treatment extremity fracture, correction deformity, prolongation limbs, not only be used in hospitals at different levels, also is war wound, open-air bone injury patient's good treatment equipment.
Background technology
Along with the development of sports, the transformation of mankind's activity amount, extremity fracture has been a big problem of medical research circle, the treatment extremity fracture has been a kind of universal phenomenon.During orthopaedics therapy, usually adopt Gypsum Fibrosum, clamping plate, method reduction, external fixator to fix, also there is employing to fix in the method reduction that the fracture diagonal penetrates Kirschner wire, the defective that these known method exist is that fixed fixing is poor, the limb early functional exercise is hindered in influence, easily influence the natural joint function, the external fixator kind is a lot, but in the middle of actual clinical, mostly need many screws to fix, make the people produce insecurity easily after fixing, and complicated operation, after fracture site was fixing, the distance between the spicule was not easy to adjust again.
Summary of the invention
This utility model under the prerequisite that keeps the prior art advantage, overcomes its drawback just, and a kind of have in fracture healing process simple in structure, easy to operate, usefulness, big, the safe and reliable cast external fixer of adjusting range more than one are provided.
The technical solution of the utility model is as follows:
Cast external fixer with scalable and inching gear is made up of the back of the body female (1), spring (2), minor axis assembly (3), lock-screw (4), long axis component (5), pad (6), mandrel (7), movable head assembly (8), it is characterized in that: female (1) center of back of the body tapped through hole, outer surface has reticulate pattern and circular hole; Minor axis assembly (3) is made up of plug (9), pin (10), minor axis (11), fixed cover (12), locating pin (13); Lock-screw (4) left side is spherical, and left end has external screw thread and interior hexagonal hole, and right-hand member has step; Long axis component (5) is made up of fixed cover (12), locating pin (13), major axis (14), screw rod (15), lock tube (16), screw plug (17), pin (10); Mandrel (7) is that step is shaft-like, and left end has external screw thread, step, and right-hand member has internal thread hole, and the right-hand member outer surface has two symmetrical longitudinal flutings; Movable head assembly (8) is made up of cutting ferrule (18), soket head cap screw (19), support (20), fixation clamp (21), ambulatory splint (22).
The back of the body female (1): center tapped through hole, be connected with mandrel (7) left end external screw thread, outer surface has circular hole, the trace of being convenient to external fixer is regulated, make external fixer have regulated quantity about 1～2mm, when bearing axial compressive force, in fracture healing process, can realize fine motion regulatory function, in order to increase physiological stress and to promote union of fracture to external fixer.
Minor axis assembly (3): be made up of plug (9), pin (10), minor axis (11), fixed cover (12), locating pin (13), plug (9) central through hole, outer surface have screw thread and two symmetrical holes; Minor axis (11) central through hole, right-hand member outer surface have screwed hole and circular hole and two holes at same axis, and left end has screwed hole, two symmetrical holes and arc chord angle; Fixed cover (12) central through hole, outer surface have screwed hole and circular hole and two holes at same axis, and outer surface has two flat horizontal surfaces and vertical with two axially bored lines; Locating pin (13) connects minor axis (11) and fixed cover (12), spring (2) penetrates mandrel (7) left end screw thread, insert in the hole of minor axis assembly (3), and being stuck in the step place of mandrel (7), minor axis assembly (3) can realize that the trace about the vertical 1～2mm of fracture end regulates uniting the back of the body female (1) under the effect of spring (2).Pass through long axis component (5) axial pressure effect at the operation initial stage, promote the fracture I phase to heal, but along with the fracture end prolongation of repair time, axial stress changes and makes reparation become difficult, especially enter the II phase when healing when union of fracture, need to improve original biotic stress environment, so need carry out trace to fixed mount regulates, can become flexible the lock-screw (4) that minor axis assembly (3) is located this moment earlier, minor axis assembly (3) fine motion certain distance, spicule on the movable head assembly (8) also moves same distance thereupon, in micro-range of accommodation, suitably regulate the relative displacement of two spicules, make fracture end vertically realize fine motion, increase physiological stress and promote the fracture II phase to heal.
Lock-screw (4): left end has interior hexagonal hole, is convenient to apparatus and holds and get, and lock-screw (4) right-hand member step place cooperates with the longitudinal fluting place of mandrel (7), the relative position variation of control minor axis assembly (3) and long axis component (5).
Long axis component (5): form by fixed cover (12), locating pin (13), major axis (14), screw rod (15), lock tube (16), screw plug (17), pin (10), locating pin (13) links together major axis (14) and fixed cover (12), major axis (14) central through hole, right-hand member has screwed hole, two symmetrical holes and arc chord angle, and left end has screwed hole and circular hole and two holes on same axis; Lock tube (16) center tapped through hole, outer surface has two symmetrical holes; Screw plug (17) central through hole, outer surface has screw thread and two symmetrical holes, there is fluting the right side along the center, pin (10) links together major axis (14) and screw plug (17), and screw rod (15) and lock tube (16) linked together, rotating screw bolt (15), realization is to the adjusting of the development length of external fixer, screw rod (15) revolution is moving can be regulated major axis (14) week and separate or draw close a flight pitch, plays to prolong and pressurization, selects suitable fracture fixation location gap by lock-screw (4), moving long shaft assembly (5) and minor axis assembly (3), so that accurate location, it is best to make the operation spicule go into the position, again by the screw rod (15) in the long axis component (5) to fracture end precharge, fracture is resetting, behind the location, adopt the fixing fracture of this firm pressurization, fracture end is combined closely, promote union of fracture.
Mandrel (7): the right-hand member outer surface has two symmetrical longitudinal flutings, and pad (6) is placed in the one side channel; Long axis component (5) and minor axis assembly (3) pass mandrel (7) and are connected on the mandrel (7) by the back of the body female (1), lock-screw (4), screw rod (15).
Movable head assembly (8): form by cutting ferrule (18), soket head cap screw (19), support (20), fixation clamp (21), ambulatory splint (22), there is fluting at cutting ferrule (18) center, the right-hand member outer surface is circular-arc, through hole is arranged, and it is connected with center grooved, and left end has step through-hole, and its hole is vertical with the right-hand member through-bore axis, there is circumferential teeth the lower end, engagement of its tooth and support (20) right-hand member circumferential teeth and the direction of rotation of regulating support (20); Support (20) left end has circumferential teeth, and internal thread hole and step are arranged, and the right-hand member upper surface has circumferential teeth, and internal thread hole and step are arranged; There is uniform circular groove fixation clamp (21) upper surface, and left end has tapped through hole, and right-hand member has step through-hole, and there is circumferential teeth the lower surface; Ambulatory splint (22) outer surface is an arc, step through-hole is arranged, there is uniform circular groove the lower surface, cooperate with the uniform circular groove of fixation clamp (21), soket head cap screw (19) links together cutting ferrule (18) and support (20), with ambulatory splint (22), fixation clamp (21) and support (20) link together, movable head assembly (8) connects spicule to be used, play the support spicule, realize the function of fixing fracture, movable head assembly (8) can be at three-dimensional space motion, can realize 360 degree rotations, can arbitrarily adjust angle, external fixer is by behind movable head assembly (8) fixed bone spicule, can also carry out axial adjustment to screw rod (15), realize the function of its limb lengthening and correction deformity on the basis of fixing fracture, movable head assembly (8) can move freely on major axis (14) and minor axis (11), helps spicule and penetrates, the randomness of threading a needle, the reduction of being convenient to fracture have been guaranteed.
This utility model is applicable to diseases such as extremity fracture, correction deformity, prolongation limbs, can realize multiple compound mode, select for use during for operation, and the operation technique specification requirement is relatively low, can guarantee trauma fracture reset and fixing, and the treatment later stage can according to circumstances make the fracture end motorization, accelerating bone healing, can't adopt under the internal fixation treatment situation, this utility model both can make fracture end obtain secure fixation, can be convenient to the reparation of treatment of wounds and later stage again.
By diagnose medical conditions such as CT or X-ray before the art, implement operation: determine institute's fixed-segment according to patient main suit and diagnostic result, determine the size and the quantity of spicule.At first determine surgery location, determine the degree of depth and orientation that spicule is implanted, implement boring, penetrate spicule, using the same method is screwed into other several pieces of spicules, and external fixer is installed, and adjusts external fixer to requirements of operation.
Cast external fixer with scalable and inching gear fixedly fracture, correction deformity and prolongation limbs etc. under the cooperation of spicule, has advantage simple in structure, easy to operate, cheap, safe and reliable, portable, advanced design, application in war wound, making originally needs the limbs of amputation to be kept, improved the treatment level of war wound fracture greatly, it is simple that it uses apparatus, the operation technique specification requirement is relatively low, can guarantee trauma fracture in flat wartime reset and fixing, be suitable for the orthopaedics clinical application.
Description of drawings
Fig. 1 is the cast external fixer structure chart with scalable and inching gear of the present utility model.
Fig. 2 is the cast external fixer vertical view with scalable and inching gear of the present utility model.
Fig. 3 is female (1) structure chart of the back of the body of the present utility model;
Fig. 4 is spring of the present utility model (a 2) structure chart;
Fig. 5 is minor axis assembly of the present utility model (a 3) structure chart;
Fig. 6 is plug (9) structure chart of minor axis assembly of the present utility model (3);
Fig. 7 is pin (10) structure chart of minor axis assembly of the present utility model (3);
Fig. 8 is minor axis (11) structure chart of minor axis assembly of the present utility model (3);
Fig. 9 is fixed cover (12) front view of minor axis assembly of the present utility model (3);
Fig. 9 a is fixed cover (12) left view of minor axis assembly of the present utility model (3);
Figure 10 is locating pin (13) structure chart of minor axis assembly of the present utility model (3);
Figure 11 is lock-screw of the present utility model (a 4) structure chart;
Figure 12 is long axis component of the present utility model (a 5) structure chart;
Figure 13 is major axis (14) structure chart of long axis component of the present utility model (5);
Figure 14 is screw rod (15) structure chart of long axis component of the present utility model (5);
Figure 15 is lock tube (16) structure chart of long axis component of the present utility model (5);
Figure 16 is screw plug (17) front view of long axis component of the present utility model (5);
Figure 16 a is screw plug (17) left view of long axis component of the present utility model (5);
Figure 17 is pad of the present utility model (a 6) structure chart;
Figure 18 is mandrel of the present utility model (a 7) structure chart;
Figure 19 is movable head assembly of the present utility model (a 8) front view.
Figure 19 a is movable head assembly of the present utility model (a 8) vertical view.
Figure 20 is cutting ferrule (18) structure chart of movable head assembly of the present utility model (8).
Figure 20 a is cutting ferrule (18) the Q place partial sectional view of movable head assembly of the present utility model (8).
Figure 21 is SOC.HD. cap screw (19) structure chart of movable head assembly of the present utility model (8).
Figure 22 is support (20) structure chart of movable head assembly of the present utility model (8).
Figure 22 a is support (20) the P place partial sectional view of movable head assembly of the present utility model (8).
Figure 23 is fixation clamp (21) structure chart of movable head assembly of the present utility model (8).
Figure 23 a is fixation clamp (21) the F place partial sectional view of movable head assembly of the present utility model (8).
Figure 24 is ambulatory splint (22) front view of movable head assembly of the present utility model (8).
Figure 24 a is ambulatory splint (22) left view of movable head assembly of the present utility model (8).
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Cast external fixer with scalable and inching gear is made up of the back of the body female (1), spring (2), minor axis assembly (3), lock-screw (4), long axis component (5), pad (6), mandrel (7), movable head assembly (8), it is characterized in that: female (1) center of back of the body tapped through hole, outer surface has reticulate pattern and uniform circular hole; Minor axis assembly (3) is made up of plug (9), pin (10), minor axis (11), fixed cover (12), locating pin (13); Lock-screw (4) is step-like, and the left end outer surface has screw thread, and left end has interior hexagonal hole, and the left side is spherical; Long axis component (5) is made up of fixed cover (12), locating pin (13), major axis (14), screw rod (15), lock tube (16), screw plug (17), pin (10); Mandrel (7) is that step is shaft-like, and the left end outer surface has screw thread, and right-hand member has internal thread hole, and the right-hand member outer surface has two symmetrical longitudinal flutings; Movable head assembly (8) is made up of cutting ferrule (18), soket head cap screw (19), support (20), fixation clamp (21), ambulatory splint (22).At first determine surgery location, determine the degree of depth and orientation that spicule is implanted, implement boring, penetrate spicule, using the same method is screwed into other several pieces of spicules, and external fixer is installed, and adjusts external fixer to requirements of operation.
Claims (4)
1. the cast external fixer that has scalable and inching gear is made up of the back of the body female (1), spring (2), minor axis assembly (3), lock-screw (4), long axis component (5), pad (6), mandrel (7), movable head assembly (8), it is characterized in that: female (1) center of back of the body tapped through hole, outer surface has reticulate pattern and circular hole; Minor axis assembly (3) is made up of plug (9), pin (10), minor axis (11), fixed cover (12), locating pin (13); Lock-screw (4) left side is spherical, and left end has external screw thread and interior hexagonal hole, and right-hand member has step; Long axis component (5) is made up of fixed cover (12), locating pin (13), major axis (14), screw rod (15), lock tube (16), screw plug (17), pin (10); Mandrel (7) is that step is shaft-like, and left end has external screw thread, step, and right-hand member has internal thread hole, and the right-hand member outer surface has two symmetrical longitudinal flutings; Movable head assembly (8) is made up of cutting ferrule (18), soket head cap screw (19), support (20), fixation clamp (21), ambulatory splint (22).
2. the cast external fixer with scalable and inching gear according to claim 1 is characterized in that, described minor axis assembly (3), and plug (9) central through hole, outer surface have screw thread and two symmetrical holes; Minor axis (11) central through hole, right-hand member outer surface have screwed hole and circular hole and two holes at same axis, and left end has screwed hole, two symmetrical holes and arc chord angle; Fixed cover (12) central through hole, outer surface have screwed hole and circular hole and two holes at same axis, and outer surface has two flat horizontal surfaces and vertical with two axially bored lines; Locating pin (13) connects minor axis (11) and fixed cover (12), spring (2) penetrates mandrel (7) left end screw thread, insert in the hole of minor axis assembly (3), and be stuck in the step place of mandrel (7), minor axis assembly (3) can realize that the trace about the vertical 1～2mm of fracture end regulates uniting the back of the body female (1) under the effect of spring (2), fixed mount is carried out trace to be regulated, the lock-screw (4) that earlier loosening minor axis assembly (3) is located, minor axis assembly (3) fine motion certain distance, spicule on the movable head assembly (8) also moves same distance thereupon, in micro-range of accommodation, suitably regulate the relative displacement of two spicules, make fracture end vertically realize fine motion.
3. the cast external fixer with scalable and inching gear according to claim 1, it is characterized in that, described long axis component (5), locating pin (13) links together major axis (14) and fixed cover (12), major axis (14) central through hole, right-hand member has screwed hole, two symmetrical holes and arc chord angle, and left end has screwed hole and circular hole and two holes on same axis; Lock tube (16) center tapped through hole, outer surface has two symmetrical holes; Screw plug (17) central through hole, outer surface has screw thread and two symmetrical holes, there is fluting the right side along the center, pin (10) links together major axis (14) and screw plug (17), and screw rod (15) and lock tube (16) linked together, rotating screw bolt (15), realization is to the adjusting of the development length of external fixer, screw rod (15) revolution is moving can be regulated major axis (14) week and separate or draw close a flight pitch, play and prolong and pressurization, select suitable fracture fixation location gap by lock-screw (4), moving long shaft assembly (5) and minor axis assembly (3), so that accurate location, it is best to make the operation spicule go into the position, again by the screw rod (15) in the long axis component (5) to fracture end precharge.
4. the cast external fixer with scalable and inching gear according to claim 1, it is characterized in that, described movable head assembly (8), there is fluting at cutting ferrule (18) center, and the right-hand member outer surface is circular-arc, through hole is arranged, and it is connected with center grooved, and left end has step through-hole, and its hole is vertical with the right-hand member through-bore axis, there is circumferential teeth the lower end, engagement of its tooth and support (20) right-hand member circumferential teeth and the direction of rotation of regulating support (20); Support (20) left end has circumferential teeth, and internal thread hole and step are arranged, and the right-hand member upper surface has circumferential teeth, and internal thread hole and step are arranged; There is uniform circular groove fixation clamp (21) upper surface, and left end has tapped through hole, and right-hand member has step through-hole, and there is circumferential teeth the lower surface; Ambulatory splint (22) outer surface is an arc, step through-hole is arranged, there is uniform circular groove the lower surface, cooperate with the uniform circular groove of fixation clamp (21), soket head cap screw (19) links together cutting ferrule (18) and support (20), with ambulatory splint (22), fixation clamp (21) and support (20) link together, movable head assembly (8) connects spicule to be used, play the support spicule, realize the function of fixing fracture, movable head assembly (8) can be realized 360 degree rotations at three-dimensional space motion, can arbitrarily adjust angle, external fixer is by behind movable head assembly (8) fixed bone spicule, also can carry out axial adjustment to screw rod (15), realize the function of its limb lengthening and correction deformity on the basis of fixing fracture, movable head assembly (8) can move freely on major axis (14) and minor axis (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200139904U CN201968807U (en) | 2011-01-18 | 2011-01-18 | Tubular external fixing frame with adjustable final motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200139904U CN201968807U (en) | 2011-01-18 | 2011-01-18 | Tubular external fixing frame with adjustable final motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201968807U true CN201968807U (en) | 2011-09-14 |
Family
ID=44573915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200139904U Expired - Lifetime CN201968807U (en) | 2011-01-18 | 2011-01-18 | Tubular external fixing frame with adjustable final motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201968807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110799101A (en) * | 2017-06-19 | 2020-02-14 | 云氏医疗有限公司 | Biopsy needle assembly for reducing start load when switching motor direction |
-
2011
- 2011-01-18 CN CN2011200139904U patent/CN201968807U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110799101A (en) * | 2017-06-19 | 2020-02-14 | 云氏医疗有限公司 | Biopsy needle assembly for reducing start load when switching motor direction |
| CN110799101B (en) * | 2017-06-19 | 2022-05-13 | 云氏医疗有限公司 | Biopsy needle assembly for reducing start load when switching motor direction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102755188B (en) | Cone odontoid screw sighting device | |
| CN110151475A (en) | A kind of neurosurgery auxiliary support tool | |
| CN103445839B (en) | Ankle multidimensional regulation-control orthosis | |
| CN105726108B (en) | A kind of bone-holder for orthopaedics Minimally Invasive Surgery | |
| CN201968807U (en) | Tubular external fixing frame with adjustable final motion device | |
| CN202751439U (en) | Odontoid process screw aiming device | |
| CN105963010B (en) | Dentoid process of axis's sighting device | |
| CN113081210B (en) | Adjustable accurate external fixation ware that connects in parallel of joint | |
| CN209404874U (en) | A kind of minimally invasive fan-shaped osteotomy device | |
| CN103070725A (en) | Minimally invasive extension jib pedicle screw | |
| CN211460462U (en) | Unilateral external fixation support | |
| CN201624764U (en) | Orthopedic external fixing device | |
| CN109965961B (en) | Skeletal orthopedic external fixation frame with detachable motor | |
| RU107039U1 (en) | DEVICE FOR CARRYING OUT GUIDELINES FOR VERTEBROPLASTIC AND TRANSPEDICULAR OSTEOSYNTHESIS | |
| CN210541773U (en) | Skeleton rehabilitation external fixing frame with stepless adjustable clamp | |
| CN203425018U (en) | Shoulder joint dynamic-static combined regulating external fixing device | |
| CN210301179U (en) | Triangle telescopic external fixing frame for bone recovery | |
| CN203749540U (en) | External fixing support for shank tibia for orthopedics | |
| CN217219096U (en) | Traction separation instrument for surgical operation | |
| CN209332230U (en) | A kind of spinal column internal fixation device | |
| RU72397U1 (en) | MONOREPOSITION ROD COMPRESSION-DISTRACTION DEVICE FOR OSTEOSYNTHESIS OF EXTREMITIES | |
| CN110141336A (en) | A kind of fixture infinitely variable bone rehabilitation external fixing rack | |
| CN204600661U (en) | Piston type dicyclo pivot cone Odontoid process sight | |
| CN114631962B (en) | Vertebral pedicle screw positioning system | |
| CN221060831U (en) | Aiming support for reduction and fixation of pelvis and acetabulum fracture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |
|
| CX01 | Expiry of patent term |