CN207707954U - Retractor - Google Patents
Retractor Download PDFInfo
- Publication number
- CN207707954U CN207707954U CN201720673480.7U CN201720673480U CN207707954U CN 207707954 U CN207707954 U CN 207707954U CN 201720673480 U CN201720673480 U CN 201720673480U CN 207707954 U CN207707954 U CN 207707954U
- Authority
- CN
- China
- Prior art keywords
- fixing pipe
- extension rod
- control device
- arm
- retractor
- 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 discloses a kind of retractors, including multiple traction pawls；It is each to retract pawl including fixing pipe, extension rod and length control device；Length control device is installed on inside fixing pipe, and the power end lateral wall of extension rod fits in fixing pipe madial wall, is connect with length control device, and the external part of extension rod stretches out fixing pipe.Retractor in the utility model retracts pawl and is set as extensible structure, the extension elongation for retracting pawl can be adjusted according to use demand, to meet the use of different patients, different parts.
Description
Technical field
The utility model is related to perform the operation to retract equipment technical field more particularly to a kind of retractor.
Background technology
Good exposed surgery location is the key that ensure that operation is smoothed out.The prior art is mostly to rely on retractor by group
Traction is knitted, to facilitate operation.During neurosurgery, it is often used retractor, but in use, each
The case where patient, is all variant, in order to adapt to the concrete condition of different patient incisions so that linked groups are fully pulled, and are ensured
The exposure of operating field clinically needs the retractor using different size, to ensure fully to retract.But replace retractor not
It is only cumbersome and increase operation cost.
Utility model content
To solve in the prior art, technical problem poor for applicability, the technical solution of the utility model existing for retractor
It is as follows：
Retractor in the utility model, including multiple traction pawls；Each traction pawl includes fixing pipe, extension rod
And length control device；The length control device is installed on inside the fixing pipe, the power end lateral wall of the extension rod
The fixing pipe madial wall is fitted in, is connect with the length control device, the external part of the extension rod stretches out the fixation
Pipe.
In a preferred embodiment, the length control device includes compressed spring, draught line and retracting device；
One end of the compressed spring is connect with the power end of the extension rod, in the other end of the compressed spring and the fixing pipe
Wall is bonded；Described draught line one end is connect with the power end of the extension rod, and the other end of the draught line passes through the fixation
Pipe is connect with the retracting end of the retracting device.
In a preferred embodiment, the retracting device includes winder and rocking bar；The rocking bar and the volume
The power axis connection of line device, the draught line are wound on the winder.
In a preferred embodiment, including pedestal；The base outer wall installs the retracting device.
In a preferred embodiment, it including tong arm and cranks arm；The traction pawl, institute is arranged in the front end of the tong arm
The end for stating tong arm is flexibly connected with described one end of cranking arm, and the other end cranked arm is connect with the pedestal.
In a preferred embodiment, the tong arm is connect with described crank arm by joint structure.
In a preferred embodiment, the ratio at crank arm thickness and the tong arm thickness bottom is 2:1.
Retractor in the utility model, compared with prior art, advantage is：
Retractor in the utility model retracts pawl and is set as extensible structure, can be adjusted according to use demand and retract pawl
Extension elongation, to meet the use of different patients, different parts.Meanwhile the thickness of the thickness cranked arm and tong arm being arranged
It is 1.5~2:1, the thickness cranked arm is increased, the stability of retractor is increased.
Description of the drawings
Fig. 1 is the schematic diagram of retractor in the utility model.
Specific implementation mode
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model is clearly and completely described.
Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, the retractor of the utility model, including multiple traction pawls 1；It is each to retract pawl 1 including fixing pipe
1-1, extension rod 1-2 and length control device；Length control device is installed on inside fixing pipe 1-1, the power end of extension rod 1-2
Lateral wall fits in fixing pipe 1-1 madial walls, and the power end setting ring of extension rod 1-2 fills protrusion, and fixing pipe 1-1 is inserted into extension
The cyclic annular baffle extended to tube hub, cyclic annular baffle and projection contacts are arranged in one end port of bar 1-2, prevent extension rod 1-2 de-
From fixing pipe 1-1, the power end that extension rod 1-2 is located inside fixing pipe 1-1 is connect with length control device, extension rod 1-2's
External part stretches out fixing pipe.Realize that the external part extension elongation of extension rod 1-2 is controllable using length control device, to according to trouble
The case where person, determines the traction pawl using which kind of length, without the retractor for needing to change different model, reduces and is chosen in surgical procedure
Properly retractor is cumbersome, and saves the time.Meanwhile the retractor of the utility model, extension apparatus is simple, cost of manufacture
It is low.
Wherein length control device includes compressed spring 1-3, draught line 1-4 and retracting device；One end of compressed spring 1-3
It is connect with the power end of extension rod 1-2, the other end of compressed spring 1-3 is bonded with fixing pipe 1-1 inner walls；The one end draught line 1-4
It is connect with the power end of extension rod 1-2, the other end of draught line 1-4 passes through the retracting end of fixing pipe 1-1 and retracting device to connect.
Retracting device includes winder 1-5 and rocking bar 1-6；The power axis connection of rocking bar 1-6 and winder 1-5, draught line 1-4 are wound in
On winder 1-5.When needing to adjust the external part extension elongation of extension rod 1-2, hand rocking bar 1-6, rocking bar 1-6 drives spiral
Device 1-5 rotations, make the draught line 1-4 being wound on winder 1-5 drive extension rod 1-2 to fixing pipe 1-1 internal motions, thus
Shorten extension rod 1-2 external part length, reaches suitable position, locking winder 1-5.Facilitate and is used according to medical staff
It needs to adjust.
The retractor of the utility model further includes pedestal 2；2 outer wall of pedestal installs retracting device.Because retracting device is located at
2 outer wall of pedestal, therefore, even in use, the length of extension rod 1-2 can also be adjusted by retracting device.No
It can influence to use.
The retractor of the utility model further includes tong arm 4 and cranks arm 5；The front end setting of tong arm 4 retracts pawl 1, the end of tong arm 4
5 one end of holding and crank arm are connected by joint structure, and 5 other end of cranking arm is connect with pedestal 2.Folding is also set up on pedestal 2 to adjust
Device 3 adjusts the two folding angles cranked arm between 5 using folding regulating device 3.It wherein cranks arm the ratio of 4 thickness of 5 thickness and tong arm
Example is 1.5:1, preferably 2:1.Increase by 5 purpose of thickness of cranking arm to be, increases the stability of the utility model retractor.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (7)
1. retractor, including multiple traction pawls；It is characterized in that, each traction pawl includes fixing pipe, extension rod and length
Spend control device；The length control device is installed on inside the fixing pipe, the power end lateral wall fitting of the extension rod
It in the fixing pipe madial wall, is connect with the length control device, the external part of the extension rod stretches out the fixing pipe.
2. retractor according to claim 1, which is characterized in that the length control device includes compressed spring, traction
Line and retracting device；One end of the compressed spring is connect with the power end of the extension rod, the other end of the compressed spring
It is bonded with the fixed inside pipe wall；Described draught line one end is connect with the power end of the extension rod, the draught line it is another
End is connect across the fixing pipe with the retracting end of the retracting device.
3. retractor according to claim 2, which is characterized in that the retracting device includes winder and rocking bar；It is described
The power axis connection of rocking bar and the winder, the draught line are wound on the winder.
4. retractor according to claim 2 or 3, which is characterized in that including pedestal；The base outer wall installs the volume
Receiving apparatus.
5. retractor according to claim 4, which is characterized in that including tong arm and crank arm；The front end of the tong arm is arranged
The traction pawl, the end of the tong arm are flexibly connected with described one end of cranking arm, and the other end cranked arm connects with the pedestal
It connects.
6. retractor according to claim 5, which is characterized in that the tong arm is connected with described crank arm by joint structure
It connects.
7. retractor according to claim 5, which is characterized in that the ratio of crank arm thickness and the tong arm thickness is
1.5~2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673480.7U CN207707954U (en) | 2017-06-12 | 2017-06-12 | Retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673480.7U CN207707954U (en) | 2017-06-12 | 2017-06-12 | Retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207707954U true CN207707954U (en) | 2018-08-10 |
Family
ID=63063353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720673480.7U Expired - Fee Related CN207707954U (en) | 2017-06-12 | 2017-06-12 | Retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207707954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407337A (en) * | 2020-04-08 | 2020-07-14 | 冯星雨 | Medical robot retractor |
-
2017
- 2017-06-12 CN CN201720673480.7U patent/CN207707954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407337A (en) * | 2020-04-08 | 2020-07-14 | 冯星雨 | Medical robot retractor |
| CN111407337B (en) * | 2020-04-08 | 2021-05-18 | 李桂珍 | Medical robot retractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181116 Address after: 712000 No. 38 Wenlin Road, Weicheng District, Xianyang City, Shaanxi Province Patentee after: XIANYANG HOSPITAL OF YAN'AN UNIVERSITY Address before: 712000 Collective Households of the 20th Bureau Hospital of Style Railway and Railway in Weicheng District, Xianyang City, Shaanxi Province Co-patentee before: Chang Tao Patentee before: Liu Wengang |
|
| 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: 20180810 Termination date: 20210612 |