CN109925037A - A kind of fixed bracket in fracture outside - Google Patents
A kind of fixed bracket in fracture outside Download PDFInfo
- Publication number
- CN109925037A CN109925037A CN201910332886.2A CN201910332886A CN109925037A CN 109925037 A CN109925037 A CN 109925037A CN 201910332886 A CN201910332886 A CN 201910332886A CN 109925037 A CN109925037 A CN 109925037A
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- Prior art keywords
- limit
- slide bar
- outside
- spicule
- nail
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Abstract
The invention discloses brackets fixed on the outside of a kind of fracture, more particularly to the field of medical instrument technology, including stent substrate, the stent substrate both ends are equipped with Extension support, the Extension support is fixedly connected with connecting rod far from one end of stent substrate, fixed cutting ferrule is fixedly connected on the outside of the connecting rod, the fixed cutting ferrule inner rotation is connected with needle guard, nail spicule is equipped with inside the needle guard.The present invention is matched with rack-plate, the first limit sliding chutes and the second limit sliding chutes respectively by card slot, the first limit slide bar and the second limit slide bar, Extension support is set to be slidably connected with stent substrate, and limit the motion profile of two Extension supports, handle is turned round in torsion makes gear engagement in rotation rack-plate, adjusting bracket substrate development length, adjust the angle of needle guard and fixed cutting ferrule, so as to adjust nail spicule angle, it being capable of flexible adjustment length and angle, fix bone is facilitated to use, the stability of bracket is improved, patient's pain is mitigated.
Description
Technical field
The present invention relates to the field of medical instrument technology, it is more particularly related to fixed bracket on the outside of a kind of fracture.
Background technique
Currently, the fixation of fracture includes interior fixation and External technique, interior fixation is mainly the interior solid of steel plate screw at present
Fixed, periosteum stripping is more, and reseting procedure is complicated, if main problem is that fracture pairing imprecision will be unable to adjust after screw is squeezed into
It is whole and larger to fracture end blood supply damage.The high orthopaedics of prestige and field of spinal surgery are widely present the nail stick fixed system of backbone,
The structure of various nail stick fixed systems is similar, and fixing intensity is big, is mainly used in thoracic and lumbar vertebral posterior fixed.And it can not apply
Also nobody is applied to fixed in the percutaneous reduction of limbs fracture.
Fixed on the outside of existing fracture in bracket bracket, some brackets are not adjustable, so as to cause in using extremely not
Just, for adjustable fixation bracket because structural instability is usually easy twisting, this can cause secondary wound to patient affected part
Evil aggravates patient's pain.
Therefore, it is necessary to invent a kind of fixed bracket in fracture outside.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of fixed bracket in fracture outside, leads to
Card slot, the first limit slide bar and the second limit slide bar is crossed to match with rack-plate, the first limit sliding chutes and the second limit sliding chutes respectively,
So that Extension support is slidably connected with stent substrate, and limit the motion profile of two Extension supports, handle is turned round in torsion nibbles gear rotation
Rack-plate is closed, adjusting bracket substrate development length adjusts the angle of needle guard and fixed cutting ferrule, so as to adjust nail spicule angle, energy
Enough flexible adjustment lengths and angle, facilitate fix bone to use, and improve the stability of bracket, mitigate patient's pain.
To achieve the above object, the invention provides the following technical scheme: fixing bracket, including bracket base on the outside of a kind of fracture
Plate, the stent substrate both ends are equipped with Extension support, and the Extension support is fixedly connected with connecting rod far from one end of stent substrate,
It is fixedly connected with fixed cutting ferrule on the outside of the connecting rod, the fixed cutting ferrule inner rotation is connected with needle guard, inside the needle guard
Equipped with nail spicule;
Two sides are equipped with card slot at the top of the stent substrate, are rotatably connected to gear, the gear shaft in the middle part of two card slots
It is equipped at the heart and turns round handle, the stent substrate upper surface is equipped with the first limit sliding chutes, and the stent substrate both ends are equipped with the second limit
Position sliding slot;
The Extension support includes connection plate body, rack-plate, the first limit slide bar and the second limit slide bar, the rack-plate, first
Limit slide bar and the second limit slide bar with connect plate body integrated setting, the rack-plate, the first limit slide bar and second limit
Position slide bar is slidably connected with card slot, the first limit sliding chutes and the second limit sliding chutes respectively, and the rack-plate engages connection with gear;
It is equipped with the first position-limit mechanism between the stent substrate and Extension support, the second limit is equipped between nail spicule and the needle guard
Mechanism is equipped with third position-limit mechanism between the needle guard and fixed cutting ferrule.
In a preferred embodiment, the nail spicule top side is equipped with external screw thread, spiral shell on the outside of the nail spicule
Line is connected with the first limit sleeve, and the first limit sleeve basal sliding is connected with the second limit sleeve, second limit sleeve and nail
The 4th position-limit mechanism is equipped between spicule, second limit sleeve bottom is equipped with constraint bandage.
In a preferred embodiment, first limit sleeve matches with needle guard, and the is equipped at the top of the card slot
One scale strip, the nail spicule surface are equipped with the second scale strip, are equipped with angle index circle on the outside of the fixed cutting ferrule.
In a preferred embodiment, the first limit slide bar and second limits one of slide bar far from connection plate body
End is equipped with protrusion sliding block, first limit sliding chutes and the second limit sliding chutes and is equipped with block close to one end of connection plate body,
First limit sliding chutes and the second limit sliding chutes match with two protrusion sliding blocks respectively, the second limit slide bar outer sheath
Equipped with buffer spring.
In a preferred embodiment, two Extension supports are centrosymmetric distribution about gear, described in two
Rack-plate parallelly distribute on, and two rack-plates are engaged with gear, the rack-plate, the first limit slide bar and the second limit slide bar
Parallelly distribute on.
In a preferred embodiment, the stent substrate and Extension support are by high-strength engineering plastic material system
At the constraint bandage is made of nylon fiber material.
In a preferred embodiment, first position-limit mechanism, the second position-limit mechanism, third position-limit mechanism and
Four position-limit mechanisms are disposed as fixed screw.
Technical effect and advantage of the invention:
1, it is limited respectively with rack-plate, the first limit sliding chutes and second by card slot, the first limit slide bar and the second limit slide bar
Sliding slot matching, makes Extension support be slidably connected with stent substrate, and limits the motion profile of two Extension supports, and handle is turned round in torsion makes tooth
Wheel rotation pinion rack plate, adjusting bracket substrate development length adjust the angle of needle guard and fixed cutting ferrule, so as to adjust nail spicule
Angle, can flexible adjustment length and angle, facilitate fix bone to use, improve the stability of bracket, mitigate patient's pain;
2, nailing depth is controlled by the first limit sleeve and needle guard cooperation, prevent from being inserted into it is too deep damaged to patient, bracket base
Plate and Extension support are made of high-strength engineering plastic material, guarantee while realizing high-intensitive slightly, make after nail spicule insertion
It is fixed with the second position-limit mechanism, and using constraint bandage fixing human affected part, avoids nail spicule from shaking and bring secondary wound to human body
Evil;
3, being cooperated by protrusion sliding block and block, prevent Extension support from skidding off, buffer spring improves the stability of Extension support movement,
First scale strip pulls out length convenient for control Extension support, and the second scale strip is convenient for observation nail spicule insertion depth, angle index circle
Accurately angle can be inserted by regulating nail spicule, convenient for being accurately positioned.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the top view of stent substrate of the present invention and Extension support.
Fig. 3 is the Unclosing structure schematic diagram of stent substrate of the present invention and Extension support.
Fig. 4 is the partial sectional view of stent substrate of the present invention and Extension support.
Fig. 5 is the fixed cutting ferrule of the present invention and needle guard partial sectional view.
Fig. 6 is present invention nail spicule attachment structure schematic diagram.
Fig. 7 is the portion the A schematic enlarged-scale view of Fig. 1 of the present invention.
Appended drawing reference are as follows: handle, 104 first limit sliding chutes, 105 second are turned round in 1 stent substrate, 101 card slots, 102 gears, 103
Limit sliding chutes, 2 Extension supports, 201 connection plate bodys, 202 rack-plates, 203 first limit slide bars, 204 second limit slide bars, 3 connections
Bar, 4 fixed cutting ferrules, 5 needle guards, 6 nail spicules, 7 first position-limit mechanisms, 8 second position-limit mechanisms, 9 third position-limit mechanisms, 10 first limits
Position set, 11 second limit sleeves, 12 the 4th position-limit mechanisms, 13 constraint bandages, 14 first scale strips, 15 second scale strips, 16 bufferings
Spring, 17 angle index circles, 18 protrusion sliding blocks, 19 blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of fixed bracket in fracture outside according to shown in Fig. 1-7, including stent substrate 1,1 both ends of stent substrate are equal
Equipped with Extension support 2, the Extension support 2 is fixedly connected with connecting rod 3 far from one end of stent substrate 1, consolidates on the outside of the connecting rod 3
Surely it is connected with fixed cutting ferrule 4, fixed 4 inner rotation of cutting ferrule is connected with needle guard 5, nail spicule 6 is equipped with inside the needle guard 5;
The 1 top two sides of stent substrate are equipped with card slot 101, are rotatably connected to gear 102 in the middle part of two card slots 101,
It is equipped at 102 axle center of gear and turns round handle 103,1 upper surface of stent substrate is equipped with the first limit sliding chutes 104, the bracket
1 both ends of substrate are equipped with the second limit sliding chutes 105;
The Extension support 2 includes connection plate body 201, the limit slide bar 203 of rack-plate 202, first and the second limit slide bar 204, institute
State rack-plate 202, first limit slide bar 203 and second limit slide bar 204 with connect 201 integrated setting of plate body, the tooth
Batten 202, first limits slide bar 203 and the second limit slide bar 204 and limits respectively with card slot 101, the first limit sliding chutes 104 and second
Position sliding slot 105 is slidably connected, and the rack-plate 202 engages connection with gear 102;
The first position-limit mechanism 7 is equipped between the stent substrate 1 and Extension support 2, equipped with the between the nail spicule 6 and needle guard 5
Two position-limit mechanisms 8 are equipped with third position-limit mechanism 9 between the needle guard 5 and fixed cutting ferrule 4;
Two Extension supports 2 are centrosymmetric distribution about gear 102, two 202 parallelly distribute ons of rack-plate, and two
Rack-plate 202 is engaged with gear 102, and the rack-plate 202, first limits slide bar 203 and parallel point of the second limit slide bar 204
Cloth;
Embodiment specifically: Extension support 2 is slidably connected by card slot 101 with rack-plate 202 respectively, the first limit slide bar 203
It is slidably connected with the first limit sliding chutes 104, the second limit slide bar 204 and the second limit sliding chutes 105 make Extension support 2 and bracket base
Plate 1 is slidably connected, and limits the motion profile of two Extension supports 2, and handle 103 is turned round in torsion makes 102 engagement in rotation rack-plate of gear
202, move it in card slot 101,1 development length of adjusting bracket substrate, and using the fixed position of the first position-limit mechanism 7, it will
Nail spicule 6 is connect using the second position-limit mechanism 8 with needle guard 5, and the angle of needle guard 5 and fixed cutting ferrule 4 is adjusted, so as to adjust nail spicule
6 angles, and fixed using third position-limit mechanism 9, can flexible adjustment length and angle, facilitate fix bone to use, improve
The stability of bracket mitigates patient's pain.
A kind of fixed bracket in fracture outside, 6 top side of nail spicule according to shown in Fig. 1-7 are equipped with external screw thread, institute
It states nail 6 outside screw of spicule and is connected with the first limit sleeve 10,10 basal sliding of the first limit sleeve is connected with the second limit sleeve
11, the 4th position-limit mechanism 12 is equipped between second limit sleeve 11 and nail spicule 6,11 bottom of the second limit sleeve is equipped with beam
Tie up bandage 13;
First limit sleeve 10 matches with needle guard 5, and the first scale strip 14, the nail spicule 6 are equipped at the top of the card slot 101
Surface is equipped with the second scale strip 15, is equipped with angle index circle 17 on the outside of the fixed cutting ferrule 4;
One end of the first limit slide bar 203 and the second separate connection plate body 201 of limit slide bar 204 is equipped with protrusion sliding block
18, first limit sliding chutes 104 and the close one end for connecting plate body 201 of the second limit sliding chutes 105 are equipped with block 19, described
First limit sliding chutes 104 and the second limit sliding chutes 105 match with two protrusion sliding blocks 18 respectively, the second limit slide bar
204 outer sheaths are equipped with buffer spring 16;
The stent substrate 1 and Extension support 2 are made of high-strength engineering plastic material, and the constraint bandage 13 is by nylon fiber
Material is made;
First position-limit mechanism 7, the second position-limit mechanism 8, third position-limit mechanism 9 and the 4th position-limit mechanism 12 are disposed as fixing
Screw;
Embodiment specifically: the first limit sleeve 10 is threaded in 6 top of nail spicule, is followed closely first during 6 downlink of spicule
Limit sleeve 10 encounters needle guard 5 and stops decline, convenient for control nailing depth, prevent from being inserted into it is too deep damaged to patient, bracket base
Plate 1 and Extension support 2 are made of high-strength engineering plastic material, guarantee while realizing high-intensitive slightly, after nail spicule 6 is inserted into
It is fixed using the second position-limit mechanism 8, and using constraint 13 fixing human affected part of bandage, avoid the nail shaking of spicule 6 from bringing to human body
Secondary injury prevents Extension support 2 from skidding off in addition, protrusion sliding block 18 and block 19 cooperate, buffer spring 16, improves Extension support 2 and transports
Dynamic stability, the first scale strip 14 pull out length convenient for control Extension support 2, and the second scale strip 15 is inserted convenient for observation nail spicule 6
Enter depth, angle index circle 17 accurately can be inserted into angle by regulating nail spicule 6, convenient for being accurately positioned.
Working principle of the present invention:
Referring to Figure of description 1-7, card slot 101, first limit slide bar 203 and the second limit slide bar 204 respectively with rack-plate
202, the first limit sliding chutes 104 and the matching of the second limit sliding chutes 105, make Extension support 2 be slidably connected with stent substrate 1, and limit
The motion profile of fixed two Extension supports 2, handle 103 is turned round in torsion makes 102 engagement in rotation rack-plate 202 of gear, and adjusting bracket substrate 1 prolongs
Elongation adjusts the angle of needle guard 5 and fixed cutting ferrule 4, being capable of flexible adjustment length and angle so as to adjust nail 6 angle of spicule
Degree, facilitates fix bone to use, and improves the stability of bracket, mitigates patient's pain;
Referring to Figure of description 5-6, the first limit sleeve 10 and the cooperation control nailing depth of needle guard 5 prevent from being inserted into too deep to patient
It damages, stent substrate 1 and Extension support 2 are made of high-strength engineering plastic material, guarantee while realizing high-intensitive light
Degree, nail spicule 6 is fixed using the second position-limit mechanism 8 after being inserted into, and using constraint 13 fixing human affected part of bandage, avoids nail spicule
6 shakings bring secondary injury to human body;
Referring to Figure of description 1-4, protrusion sliding block 18 and block 19 cooperate, and prevent Extension support 2 from skidding off, and buffer spring 16 improves
The stability that Extension support 2 moves, the first scale strip 14 pull out length convenient for control Extension support 2, and the second scale strip 15 is convenient for observation
6 insertion depth of spicule is followed closely, angle index circle 17 accurately can be inserted into angle by regulating nail spicule 6, convenient for being accurately positioned.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change;
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, and other structures can
With reference to being commonly designed, under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other;
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. fixed bracket on the outside of a kind of fracture, including stent substrate (1), it is characterised in that: stent substrate (1) both ends are all provided with
Have Extension support (2), the Extension support (2) is fixedly connected with connecting rod (3), the connecting rod far from the one end of stent substrate (1)
(3) outside is fixedly connected with fixed cutting ferrule (4), and fixed cutting ferrule (4) inner rotation is connected with needle guard (5), the needle guard (5)
Inside is equipped with nail spicule (6);
Two sides are equipped with card slot (101) at the top of the stent substrate (1), and rotation connection is with teeth in the middle part of two card slots (101)
It takes turns (102), is equipped at gear (102) axle center and turns round handle (103), stent substrate (1) upper surface is equipped with the first limit and slides
Slot (104), stent substrate (1) both ends are equipped with the second limit sliding chutes (105);
The Extension support (2) includes that connection plate body (201), rack-plate (202), the first limit slide bar (203) and the second limit are slided
Bar (204), the rack-plate (202), first limit slide bar (203) and second limit slide bar (204) with connect plate body (201)
Integrated setting, the rack-plate (202), first limit slide bar (203) and second limit slide bar (204) respectively with card slot
(101), the first limit sliding chutes (104) and the second limit sliding chutes (105) are slidably connected, the rack-plate (202) and gear (102)
Engagement connection;
The first position-limit mechanism (7) are equipped between the stent substrate (1) and Extension support (2), the nail spicule (6) and needle guard (5)
Between be equipped with the second position-limit mechanism (8), equipped with third position-limit mechanism (9) between the needle guard (5) and fixed cutting ferrule (4).
2. fixed bracket on the outside of a kind of fracture according to claim 1, it is characterised in that: one at the top of the nail spicule (6)
Side is equipped with external screw thread, and nail spicule (6) outside screw is connected with the first limit sleeve (10), the first limit sleeve (10) bottom
It slidably connects the second limit sleeve (11), the 4th position-limit mechanism is equipped between second limit sleeve (11) and nail spicule (6)
(12), the second limit sleeve (11) bottom is equipped with constraint bandage (13).
3. fixed bracket on the outside of a kind of fracture according to claim 1, it is characterised in that: first limit sleeve (10) with
Needle guard (5) matches, and is equipped with the first scale strip (14) at the top of the card slot (101), and the nail spicule (6) surface was equipped with for the second quarter
It spends item (15), is equipped with angle index circle (17) on the outside of the fixed cutting ferrule (4).
4. fixed bracket on the outside of a kind of fracture according to claim 1, it is characterised in that: the first limit slide bar
(203) it is equipped with far from one end of connection plate body (201) with the second limit slide bar (204) and protrudes sliding block (18), first limit
Position sliding slot (104) and the second limit sliding chutes (105) are equipped with block (19) close to one end of connection plate body (201), and described first
Limit sliding chutes (104) and the second limit sliding chutes (105) match with two protrusion sliding blocks (18) respectively, the second limit slide bar
(204) outer sheath is equipped with buffer spring (16).
5. fixed bracket on the outside of a kind of fracture according to claim 1, it is characterised in that: two Extension supports (2) are closed
Distribution, two rack-plate (202) parallelly distribute ons, and two rack-plates (202) are centrosymmetric and tooth in gear (102)
Take turns (102) engagement, the rack-plate (202), the first limit slide bar (203) and second limit slide bar (204) parallelly distribute on.
6. fixed bracket on the outside of a kind of fracture according to claim 2, it is characterised in that: the stent substrate (1) and prolong
It stretches frame (2) to be made of high-strength engineering plastic material, the constraint bandage (13) is made of nylon fiber material.
7. fixed bracket on the outside of a kind of fracture according to claim 2, it is characterised in that: first position-limit mechanism (7),
Second position-limit mechanism (8), third position-limit mechanism (9) and the 4th position-limit mechanism (12) are disposed as fixed screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910332886.2A CN109925037A (en) | 2019-04-24 | 2019-04-24 | A kind of fixed bracket in fracture outside |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910332886.2A CN109925037A (en) | 2019-04-24 | 2019-04-24 | A kind of fixed bracket in fracture outside |
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Publication Number | Publication Date |
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CN109925037A true CN109925037A (en) | 2019-06-25 |
Family
ID=66990880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910332886.2A Pending CN109925037A (en) | 2019-04-24 | 2019-04-24 | A kind of fixed bracket in fracture outside |
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CN (1) | CN109925037A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108175586A (en) * | 2018-02-12 | 2018-06-19 | 中国人民解放军第四军医大学 | The multi-functional transhipment chair of emergency department |
CN114848121A (en) * | 2022-05-12 | 2022-08-05 | 中国人民解放军总医院第四医学中心 | Hip fracture fixing device with triangular mechanical stable form and adjustable supporting structure |
-
2019
- 2019-04-24 CN CN201910332886.2A patent/CN109925037A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108175586A (en) * | 2018-02-12 | 2018-06-19 | 中国人民解放军第四军医大学 | The multi-functional transhipment chair of emergency department |
CN114848121A (en) * | 2022-05-12 | 2022-08-05 | 中国人民解放军总医院第四医学中心 | Hip fracture fixing device with triangular mechanical stable form and adjustable supporting structure |
CN114848121B (en) * | 2022-05-12 | 2023-03-24 | 中国人民解放军总医院第四医学中心 | Hip fracture fixing device with triangular mechanical stable form and adjustable supporting structure |
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