CN209360770U - A kind of orthopaedics operation on vertebra drag hook - Google Patents
A kind of orthopaedics operation on vertebra drag hook Download PDFInfo
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- CN209360770U CN209360770U CN201821810296.3U CN201821810296U CN209360770U CN 209360770 U CN209360770 U CN 209360770U CN 201821810296 U CN201821810296 U CN 201821810296U CN 209360770 U CN209360770 U CN 209360770U
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- China
- Prior art keywords
- drag hook
- hook piece
- threaded rod
- notch
- fixedly connected
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Abstract
The utility model discloses a kind of orthopaedics operation on vertebra drag hooks, including drag hook piece, connecting rod, threaded rod and range marker bar, the drag hook piece is arc-shaped flaky, lower end forms the retractor head of arc to the convex rollover folding of drag hook piece, shorter one end of the L-shaped connecting rod is fixedly connected with the convex side upper end of drag hook piece, the drag hook piece quantity is two, concave surface is staggered relatively, the connecting rod quantity is two, wherein a radicle is fixedly connected with stationary cylinder, stationary cylinder is the closed hollow structure of the other end open at one end, the drag hook piece that the utility model is equipped with is arc, and it is pulled open from the two sides of notch, shape arc in two sides when pulling open notch, facilitate the operation of operation, pass through rotating threaded rod, drag hook piece can be made steadily to pull open notch to two sides, avoid the further damage to wound, it does not need artificially to haul Hook reduces human cost, while notch can be made to keep stablizing, and avoids artificial pulling notch and shakes to influence surgical procedure.
Description
Technical field
The utility model relates to the field of medical instrument technology, particularly belong to a kind of orthopaedics operation on vertebra drag hook.
Background technique
Spinal vertebral fracture is the common disease of spinal surgery, seriously affects normal work, the living and studying of patient, is such as located
Manage it is improper often leave serious complication, cause no small pain to patient.Currently, the surgical operation therapy of spine disorders with
The nail-stick system of Via Posterior Spinal Approach is fixed as clinical more use, in operation needs that pedicle screw is accurately screwed into centrum
It is interior.Because soft tissue is abundant on rear side of centrum, and the pursuit with people to minimal invasive techniques, it is desirable that notch is smaller and smaller, thus is twisting
It needs to retract soft tissue during entering pedicle screw, to expose tissue.Otherwise it can lead to pedicle of vertebral arch because exposure is unclear
The location misalignment of screw causes serious strand to frustrate damage notch soft tissue, generates the postoperative failure syndrome of backbone.It is clinical at present
There are no dedicated surgical instruments, and the surgical instrument of substitution needs biggish strength that could retract soft tissue, not only right
Soft tissue protectiveness is poor, easily causes iatrogenic damage, and cumbersome, increases operation difficulty, and needs artificial from cutting
Notch is pulled open using drag hook in mouth both sides, causes a large amount of manpower and pays, increase the cost of manpower, artificial drag hook draws notch
Open it is unstable, be easy operation is impacted, reduce working efficiency.
Utility model content
To solve the above-mentioned problems, the utility model devises a kind of orthopaedics operation on vertebra drag hook, and the utility model can be certainly
It is dynamic to pull open operative incision, do not need it is artificial haul drag hook, saved human cost.
In order to reach above-mentioned technical purpose, above-mentioned technical effect is realized, the utility model is real by the following technical programs
Existing:
A kind of orthopaedics operation on vertebra drag hook, including drag hook piece, connecting rod, threaded rod and range marker bar, it is characterised in that:
The connecting rod is L shape, and one end is fixedly connected with drag hook piece, and the other end is flexibly connected with threaded rod；
The drag hook piece is arc-shaped flaky, and lower end forms the retractor head of arc, the L-shaped company to the convex rollover folding of drag hook piece
Shorter one end of extension bar is fixedly connected with the convex side upper end of drag hook piece, and the drag hook piece quantity is two, and concave surface is staggered relatively, described
Connecting rod quantity is two, wherein a radicle is fixedly connected with stationary cylinder, stationary cylinder is the other end open at one end
Closed hollow structure, in addition a connection boom end is fixedly connected with the hollow cylinder of both ends perforation, in hollow cylinder body
Equipped with internal screw thread, the threaded rod passes through hollow cylinder and is fixed in stationary cylinder, the stationary cylinder opening and spiral shell
Rasp bar end is equipped with annular projection, and threaded rod is stuck in stationary cylinder, spring is equipped in the stationary cylinder, described
Range marker bar be telescopic rod, be fixedly connected between the connecting rod close to threaded rod one end, the interior bar table of range marker bar
Face is equipped with distance scale.
Further, the threaded rod can be rotated relative to fixed cylindrical body.
Further, the threaded rod other end is equipped with Anti-slip handle.
The beneficial effects of the utility model are: the drag hook piece that is equipped with of the utility model is arc, and from the two sides of notch
It pulls open, shape arc in two sides when pulling open notch, facilitates the operation of operation, and the retractor head below drag hook piece can prevent from drawing
Hook tabs occurs to skid and deviate from, and by rotating threaded rod, drag hook piece can be made steadily to pull open notch to two sides, avoided to wound
Further damage, when pulling open one fixed width, stop shaft thread bar drag hook can be fixed, do not need artificially to haul drawing
Hook reduces human cost, while notch can be made to keep stablizing, and avoids artificial pulling notch and shakes to influence to perform the operation
Operation；And range marker bar can show the distance that notch pulls open, and can be very good to grasp later operation and space out.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 be shown in a kind of structural schematic diagram of orthopaedics operation on vertebra drag hook.
Fig. 2 is the schematic diagram of internal structure of the stationary cylinder.
In attached drawing, list of designations representated by each label is as follows:
1- drag hook piece, 11- retractor head, 2- connecting rod, 3- threaded rod, 31- Anti-slip handle, 32- annular projection, 4- distance mark
Know bar, 41- graduation mark, 5- stationary cylinder, 51- spring, 6- hollow cylinder.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Refering to fig. 1 shown in -2, a kind of orthopaedics operation on vertebra drag hook, including drag hook piece 1, connecting rod 2, threaded rod 3 and distance
Mark rod 4, it is characterised in that:
The connecting rod 2 is L shape, and one end is fixedly connected with drag hook piece 1, and the other end is flexibly connected with threaded rod 3；
The drag hook piece 1 is arc-shaped flaky, and lower end forms the retractor head 11 of arc, the L shape to the convex rollover folding of drag hook piece 1
Shorter one end of connecting rod 2 be fixedly connected with the convex side upper end of drag hook piece 1,1 quantity of drag hook piece is two, and concave surface is opposite to put
It sets, 2 quantity of connecting rod is two, wherein a radicle is fixedly connected with stationary cylinder 5, stationary cylinder 5 is one end
Be open the closed hollow structure of the other end, and in addition 2 end of connecting rod is fixedly connected with the hollow cylinder 6 of both ends perforation,
Internal screw thread is equipped in hollow cylinder 6, the threaded rod 3 passes through hollow cylinder 6 and is fixed in stationary cylinder 5, described solid
Determine the opening of cylindrical body 5 and be equipped with annular projection 32 with 3 end of threaded rod, threaded rod 3 is stuck in stationary cylinder 5, the fixation
Spring 51 is installed, the range marker bar 4 is telescopic rod, is fixedly connected on the company close to 3 one end of threaded rod in cylindrical body 5
Between extension bar 2, the interior bar surface of range marker bar 4 is equipped with distance scale line 41.
Further, the threaded rod 3 can be rotated relative to fixed cylindrical body 5.
Further, 3 other end of threaded rod is equipped with Anti-slip handle 31.
The following are one of specific embodiments of the utility model, in use, patient prone position, the drawing of the utility model
Hook tabs 1 is restored to closed configuration, after sterile drape, makees back median incision by preoperative positioning segment, long 3.0cm, dash forward in art gemmule,
Vertebral plate makees subperiosteum removing, is put into drag hook piece 1, and the soft tissues such as muscle, fat in notch are placed in outside drag hook piece 1, will be between vertebral plate
Gap, upper vertebral plate lower half and the next vertebral plate upper half are revealed in 1 range of arc-shaped draw hook piece, and notch range of exposure is oval, interior
Side string bow portion is interspinal interstice and upper spinous process lower half and the next spinous process upper half, and curved portion is 1 arcwall of drag hook piece, i.e. operation is cut
The soft tissue of mouth surrounding is obstructed by arc-shaped draw hook.Arc-shaped draw hook piece 1 has been set, it, can by rotating threaded rod 3 if operating field is smaller
By two drag hook pieces 1 to two sides mobile support notch, relatively satisfactory operating field is obtained, the retractor head 11 of 1 lower end of drag hook piece can make
The soft tissues such as muscle, the fat of notch two sides are located at the outside of drag hook piece 1 pulling open convenient for notch, and prevent sliding and cause
Abjection holds 31 rotating threaded rod 3 of Anti-slip handle, and 3 end of threaded rod rotates in stationary cylinder 5, and hollow cylinder 6 is opposite
It is mobile in threaded rod 3, to keep two drag hook pieces 1 mobile to two sides, notch is pulled open, the spring 51 in stationary cylinder 5 can rise
It to the effect of buffering, avoids notch from pulling open larger, notch is caused further to damage；When notch is pulled open to the hand for obtaining satisfaction
The threaded rod 3 that stops operating when visual area can fix notch, which does not need artificially to haul drag hook, reduce human cost, together
When notch can be made to keep stablizing, avoid and artificial notch pulled to shake to influence surgical procedure；The device design away from
Extended from mark rod 4 with the movement of drag hook piece 1, the graduation mark 41 which is provided with can display distance mark rod 4 stretch length
Degree, also illustrates that the distance that drag hook piece 1 pulls open, it will be appreciated that the distance that notch pulls open mentions in order to carry out reference when operation next time
The efficiency of height operation, and the utility model structure is simple, easy to use, manufacturing cost is low.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.
Claims (3)
1. a kind of orthopaedics operation on vertebra drag hook, including drag hook piece, connecting rod, threaded rod and range marker bar, it is characterised in that:
The connecting rod is L shape, and one end is fixedly connected with drag hook piece, and the other end is flexibly connected with threaded rod；
The drag hook piece is arc-shaped flaky, and lower end forms the retractor head of arc, the L-shaped connecting rod to the convex rollover folding of drag hook piece
Shorter one end be fixedly connected with the convex side upper end of drag hook piece, the drag hook piece quantity be two, concave surface is staggered relatively, the connection
Bar quantity is two, wherein a radicle is fixedly connected with stationary cylinder, stationary cylinder is the other end open at one end closing
Hollow structure, in addition a connection boom end is fixedly connected with the hollow cylinder of both ends perforation, is equipped in hollow cylinder body
Internal screw thread, the threaded rod pass through hollow cylinder and are fixed in stationary cylinder, the stationary cylinder opening and threaded rod
End is equipped with annular projection, and threaded rod is stuck in stationary cylinder, is equipped with spring in the stationary cylinder, it is described away from
It is telescopic rod from mark rod, is fixedly connected between the connecting rod of threaded rod one end, the interior bar surface of range marker bar is set
There is distance scale.
2. a kind of orthopaedics operation on vertebra drag hook according to claim 1, it is characterised in that: the threaded rod can be relatively fixed
Cylindrical body rotation.
3. a kind of orthopaedics operation on vertebra drag hook according to claim 1, it is characterised in that: the threaded rod other end is equipped with
Anti-slip handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810296.3U CN209360770U (en) | 2018-11-05 | 2018-11-05 | A kind of orthopaedics operation on vertebra drag hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810296.3U CN209360770U (en) | 2018-11-05 | 2018-11-05 | A kind of orthopaedics operation on vertebra drag hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209360770U true CN209360770U (en) | 2019-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821810296.3U Expired - Fee Related CN209360770U (en) | 2018-11-05 | 2018-11-05 | A kind of orthopaedics operation on vertebra drag hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209360770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811896A (en) * | 2019-12-19 | 2020-02-21 | 滨州医学院 | Oral cavity strutting arrangement is used in excision of wicresoft's apex |
| CN112826546A (en) * | 2020-12-31 | 2021-05-25 | 西安交通大学医学院第二附属医院 | Surgical field exposing device for general surgery department |
-
2018
- 2018-11-05 CN CN201821810296.3U patent/CN209360770U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811896A (en) * | 2019-12-19 | 2020-02-21 | 滨州医学院 | Oral cavity strutting arrangement is used in excision of wicresoft's apex |
| CN112826546A (en) * | 2020-12-31 | 2021-05-25 | 西安交通大学医学院第二附属医院 | Surgical field exposing device for general surgery department |
| CN112826546B (en) * | 2020-12-31 | 2022-04-26 | 西安交通大学医学院第二附属医院 | Surgical field exposing device for general surgery department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20211105 |