CN205083541U - Backbone wound is with leading out device - Google Patents
Backbone wound is with leading out device Download PDFInfo
- Publication number
- CN205083541U CN205083541U CN201520900895.4U CN201520900895U CN205083541U CN 205083541 U CN205083541 U CN 205083541U CN 201520900895 U CN201520900895 U CN 201520900895U CN 205083541 U CN205083541 U CN 205083541U
- Authority
- CN
- China
- Prior art keywords
- lead screw
- arm
- stop nut
- connecting rod
- lead
- 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 - Fee Related
Links
Abstract
The utility model relates to a backbone wound is with leading out device, include connecting rod, last lead screw, lower lead screw, lead out arm, stop nut, connecting rod upper end with go up the perpendicular connection in lead screw middle part, the connecting rod lower extreme with the lead screw middle part is perpendicular down connects, go up lead screw, lower lead screw parallel arrangement, lead out be equipped with on the arm with last lead screw complex on waist type hole, with lead screw complex down under waist type hole, it still is equipped with the arc -shaped hook board to lead out the underarm end, it is equipped with two and be located the connecting rod both sides respectively, two arc -shaped hook boards back of the body settings mutually of leading out the arm to lead out the arm, stop nut is equipped with four at least, it is equipped with a stop nut respectively to go up the lead screw both ends, down the lead screw be located two lead out between the arm the part also symmetrical formula be equipped with a pair of stop nut, the utility model discloses adjust the linearity, adjust the precision height, the utility model discloses the angle of leading out the arm can be adjusted simultaneously in convenient operation, is convenient for insert patient's affected part.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to a kind of spinal trauma pull device.
Background technology
In spinal operation, usually can run into paravertebral muscles or the nervous problem being difficult to retract of soft tissue, need to increase assistant's drag hook more, thus appear surgical field of view fully.Assistant's drag hook traditionally, generally comprise two and strut bar, two strut bar and are hinged and form the rotary opening structure of X-shaped, two front ends strutting bar arrange drag hook, drag hook can be utilized to obtain field range by operation rotary opening structure thus, but the drag hook of prior art adopt the mode such as ratchet or bearing pin to be fixed.
Applying date 2014.01.17, application number 201420030708.7 patent discloses a kind of spinal lamina pull device, soft-tissue trauma scope can be reduced.A kind of spinal lamina pull device, comprises L bracket, movable stand, hook, comb pawl and locking bearing pin; L bracket vertical portion upper end is provided with hook, and L bracket horizontal component has chute and multiple locking hole; Movable stand upper end is provided with comb pawl, and movable stand lower end is provided with can along the roller of chute movement; Locking bearing pin can be connected with roller through locking hole, and this device regulates distraction angle by bearing pin, but due to the distribution of bearing pin be compartment, therefore not linearly, degree of regulation is poor in its adjustment.
Applying date 2015.04.23, application number 201520249982.8 patent discloses a kind of combination type spinal column paravertebral muscles pull device.It comprises two and struts bar, two middle parts strutting bar are hinged the rotary opening structure formed roughly in X-shaped, also comprise the laminectomy retractor that two blocks of serial connection plates with patchhole and two pieces have serial connection hole, two pieces of laminectomy retractors can be arranged on two blocks of serial connection plates by respective serial connection hole, two front ends strutting bar all have an insert head, two insert heads can be inserted in the patchhole of two serial connection plate rear ends, further, described two latter halfs strutting bar are provided with the ratchet that can mutually locate, this device regulates distraction angle by ratchet, but ratchet but also exists easy wear out failure and the inadequate problem of degree of regulation.
Its regulative mode of foregoing invention patent is linear not, and degree of regulation is not high; A pair drag hook always keeping parallelism attitude of foregoing invention patent, angle therebetween cannot be regulated, in actual use, need the near end spacing making a pair drag hook to be greater than body end spacing far away, just convenient insertion patient affected part, existing apparatus obviously cannot accomplish this point.
Utility model content
In order to solve the prior art Problems existing in above-mentioned background technology, provide a kind of spinal trauma pull device, linear adjustment, degree of regulation is high; And handled easily, can regulate the angle of drawing arm simultaneously, be convenient to insert patient's affected part.
This utility model solves the technical scheme that its technical problem adopts:
A kind of spinal trauma pull device, comprises connecting rod, upper screw rod, lower screw mandrel, drawing arm, stop nut;
Described connecting rod upper end is connected with vertical in the middle part of described upper screw rod, and described connecting rod lower end is connected with vertical in the middle part of described lower screw mandrel, and described upper screw rod, lower screw mandrel be arranged in parallel;
Described drawing arm is provided with the upper waist-shaped hole coordinated with upper screw rod, the lower waist-shaped hole coordinated with lower screw mandrel, described drawing arm lower end is also provided with arcuated hook plate, described drawing arm is provided with two and lays respectively at connecting rod both sides, the opposing setting of arcuated hook plate of two drawing arms;
Described stop nut is at least provided with four, and described upper screw rod two ends are respectively equipped with a stop nut, the part of described lower screw mandrel between two drawing arms also symmetrical expression be provided with a pair stop nut.
Further, described stop nut is shaped to hemispherical near the side of drawing arm.
Further, in the middle part of described upper screw rod, upper end is vertically provided with pull bar.
Further, described pull bar upper end is provided with hand block.
The beneficial effects of the utility model:
When this utility model uses, a pair stop nut be positioned on lower screw mandrel is rotated stepping to the direction near connecting rod, then the angle of two drawing arms is regulated to be fitted in its lower end, by in the muscle in the arcuated hook plate of described drawing arm insertion patient affected part or soft tissue, then the stop nut be positioned on lower screw mandrel is regulated to make it rotate stepping to the direction away from described connecting rod, the lower end driving described drawing arm mutually away from, meanwhile regulate the tightening nut be positioned on upper screw rod, carry out spacing to the upper end of drawing arm, stop when patient's affected part is strutted enough spaces by described arcuated hook plate.
This utility model adopts nut screw principle to regulate, linear adjustment and precision is high; This utility model can also regulate the angle between drawing arm, is convenient to insert patient's affected part.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated;
Fig. 1 is this utility model sectional view.
Fig. 2 is this utility model side view.
In figure: 1. connecting rod, 2. upper screw rod, 3. descend screw mandrel, 4. drawing arm, waist-shaped hole on 41., 42. times waist-shaped holes, 43. arcuated hook plates, 5. stop nut, 6. pull bar, 7. hand block.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with this utility model.
A kind of spinal trauma pull device, comprises connecting rod 1, upper screw rod 2, lower screw mandrel 3, drawing arm 4, stop nut 5;
Described connecting rod 1 upper end is connected with vertical in the middle part of described upper screw rod 2, and described connecting rod 1 lower end is connected with vertical in the middle part of described lower screw mandrel 3, and described upper screw rod 2, lower screw mandrel 3 be arranged in parallel;
Described drawing arm 4 is provided with the upper waist-shaped hole 41 coordinated with upper screw rod 1, the lower waist-shaped hole 42 coordinated with lower screw mandrel 3, described drawing arm 4 lower end is also provided with arcuated hook plate 43, described drawing arm 4 is provided with two and lays respectively at connecting rod 1 both sides, the opposing setting of arcuated hook plate 43 of two drawing arms 4;
Described stop nut 5 is at least provided with four, and described upper screw rod 1 two ends are respectively equipped with a stop nut 5, the part of described lower screw mandrel 3 between two drawing arms 4 also symmetrical expression be provided with a pair stop nut 5.
Further, described stop nut 5 is shaped to hemispherical near the side of drawing arm 4.
Further, in the middle part of described upper screw rod 2, upper end is vertically provided with pull bar 6.
Further, described pull bar 6 upper end is provided with hand block 7.
Concrete using method:
When this utility model uses, a pair stop nut 5 be positioned on lower screw mandrel 3 is rotated stepping to the direction near connecting rod 1, then the angle of two drawing arms 4 is regulated to be fitted in its lower end, in the muscle that the arcuated hook plate 43 of described drawing arm 4 is inserted patient affected part or soft tissue, then the stop nut 5 be positioned on lower screw mandrel 3 is regulated to make it rotate stepping to the direction away from described connecting rod 1, the lower end driving described drawing arm 4 mutually away from, meanwhile regulate the tightening nut 5 be positioned on upper screw rod 2, carry out spacing to the upper end of drawing arm 4, stop when patient's affected part is strutted enough spaces by described arcuated hook plate 43.
This utility model adopts nut screw principle to regulate, linear adjustment and precision is high; This utility model can also regulate the angle between drawing arm 4, is convenient to insert patient's affected part.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content in description, must determine its technical scope according to right.
Claims (4)
1. a spinal trauma pull device, is characterized in that: comprise connecting rod (1), upper screw rod (2), lower screw mandrel (3), drawing arm (4), stop nut (5);
Described connecting rod (1) upper end is connected with described upper screw rod (2) middle part is vertical, described connecting rod (1) lower end is connected with described lower screw mandrel (3) middle part is vertical, and described upper screw rod (2), lower screw mandrel (3) be arranged in parallel;
Described drawing arm (4) is provided with the upper waist-shaped hole (41) coordinated with upper screw rod (1), the lower waist-shaped hole (42) coordinated with lower screw mandrel (3), described drawing arm (4) lower end is also provided with arcuated hook plate (43), described drawing arm (4) is provided with two and lays respectively at connecting rod (1) both sides, arcuated hook plate (43) the opposing setting of two drawing arms (4);
Described stop nut (5) is at least provided with four, described upper screw rod (1) two ends are respectively equipped with a stop nut (5), described lower screw mandrel (3) be positioned at part between two drawing arms (4) also symmetrical expression be provided with a pair stop nut (5).
2. a kind of spinal trauma pull device according to claim 1, is characterized in that: described stop nut (5) is shaped to hemispherical near the side of drawing arm (4).
3. a kind of spinal trauma pull device according to claim 1, is characterized in that: upper end, described upper screw rod (2) middle part is vertically provided with pull bar (6).
4. a kind of spinal trauma pull device according to claim 3, is characterized in that: described pull bar (6) upper end is provided with hand block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900895.4U CN205083541U (en) | 2015-11-12 | 2015-11-12 | Backbone wound is with leading out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900895.4U CN205083541U (en) | 2015-11-12 | 2015-11-12 | Backbone wound is with leading out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205083541U true CN205083541U (en) | 2016-03-16 |
Family
ID=55474273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520900895.4U Expired - Fee Related CN205083541U (en) | 2015-11-12 | 2015-11-12 | Backbone wound is with leading out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205083541U (en) |
-
2015
- 2015-11-12 CN CN201520900895.4U patent/CN205083541U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20161112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |