CN204106080U - Rotary type general surgery dilator - Google Patents
Rotary type general surgery dilator Download PDFInfo
- Publication number
- CN204106080U CN204106080U CN201420615649.XU CN201420615649U CN204106080U CN 204106080 U CN204106080 U CN 204106080U CN 201420615649 U CN201420615649 U CN 201420615649U CN 204106080 U CN204106080 U CN 204106080U
- Authority
- CN
- China
- Prior art keywords
- support plate
- rotary support
- dilator
- bull stick
- boss
- 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
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- Surgical Instruments (AREA)
Abstract
This utility model relates to a kind of rotary type general surgery dilator, comprises rotary support plate, and with boss on rotary support plate, running through tumbler in described boss has bull stick, and the lower end of described bull stick is connected gear; The relatively described gear centre symmetrical mounting of lower surface in described rotary support plate has distraction plate, described distraction plate comprises the outer fagging and inner rack with described gears meshing that stagger and arrange, the end of described outer fagging with strut on setting up and down end and under strut end; The upper surface of described inner rack is with slip flange, and the lower surface both sides of described rotary support plate are provided with the chute be slidably matched with described slip flange.This utility model compares the dilator of pull type, and it adopts rotating manner, is convenient to the adjustment to strutting width, to the damage of operative incision when avoiding strutting excessive; Locking sleeve structure is set, the convenient locking operation to distraction plate; What adopt Dual-layer struts end, avoids dilator to fall, and improves the reliability used.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to the dilator in general surgery.
Background technology
At present, multiple drag hook in general surgery, is adopted to be pulled open at operative incision position, to broaden one's vision conveniently
Medical operating, needs multiple medical personnel to cooperate.Drag hook type is adopted to strut the shortcoming of operation obviously, doctor
The personnel that protect are long-time easily tired, make troubles to operation.For solving the problem, have employing two
End pulls the dilator of locking positioning, and this dilator can strut width according to the size adjustment of operative incision,
Hand-held for a long time without the need to medical personnel, but its exist deficiency be: when two ends are pulled laterally, easily by
Strut excessive in operation inconvenience, damage is caused to operative incision; When the crotch at two ends props up notching edge
Support force deficiency cause dilator to fall, strut mouth reduce, affect operation technique.
Utility model content
The above-mentioned shortcoming that the applicant exists for prior art, carries out studying and designing, and provides a kind of and rotates
Formula general surgery dilator, it has, and easy to operate, structure is simple, service-strong feature.
The technical scheme that this utility model adopts is as follows:
A kind of rotary type general surgery dilator, comprises rotary support plate, with boss on rotary support plate,
Run through tumbler in described boss and have bull stick, the lower end of described bull stick is connected gear; In described rotary support
The relatively described gear centre symmetrical mounting of lower surface of plate has distraction plate, described distraction plate comprise stagger arrange
Outer fagging and the inner rack with described gears meshing, the end of described outer fagging struts on setting up and down
End and under strut end; The upper surface of described inner rack with slip flange, the lower surface of described rotary support plate
Both sides are provided with the chute be slidably matched with described slip flange.
Further improvement as technique scheme:
The upper end of described bull stick is taken turns with hand-held; On described bull stick, screw has and is positioned at above described boss
Lock sleeve.
The beneficial effects of the utility model are as follows:
This utility model compares the dilator of pull type, and it adopts rotating manner, is convenient to the tune to strutting width
Joint, to the damage of operative incision when avoiding strutting excessive; Locking sleeve structure is set, the convenient lock to distraction plate
Tight operation; What adopt Dual-layer struts end, avoids dilator to fall, and improves the reliability used.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure diagram of the present utility model.
Fig. 2 is another three-dimensional structure diagram of the present utility model.
Fig. 3 is the three-dimensional structure diagram of distraction plate of the present utility model.
Fig. 4 is the three-dimensional structure diagram of rotary support plate of the present utility model.
In figure: 1, rotary support plate; 11, boss; 12, chute; 2, distraction plate; 21, outer fagging;
22, inner rack; 23, end is strutted under; 24, end is strutted on; 25, slip flange; 3, bull stick;
4, hand-heldly to take turns; 5, gear; 6, lock sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
As shown in Figure 1, Figure 2 and shown in Fig. 3, the rotary type general surgery dilator of the present embodiment, comprises and revolving
Turn gripper shoe 1, with boss 11 on rotary support plate 1, running through tumbler in boss 11 has bull stick 3,
The lower end of bull stick 3 is connected gear 5; In the lower surface opposed gear 5 centrosymmetry device of rotary support plate 1
Have distraction plate 2, distraction plate 2 comprises the stagger outer fagging 21 arranged and the inner rack 22 engaged with gear 5,
The end of outer fagging 21 with strut on setting up and down end 24 and under strut end 23, strut up and down between end and press from both sides
Hold the edge of operative incision, prevent dilator from falling to causing to support openings get smaller.
As shown in Fig. 3 and Fig. 4, the upper surface of inner rack 22 with slip flange 25, rotary support plate 1
Lower surface both sides be provided with the chute 12 be slidably matched with the flange 25 that slides.
For ease of the rotating operation to bull stick 3, the upper end of bull stick 3 takes turns 4 with hand-held, hand-held take turns 4 with turn
Bar 3 can be made into integrative-structure, also can form spiral with bull stick 3 and be connected, with for convenience detach; Bull stick 3
Upper screw has the lock sleeve 6 being positioned at boss 11 side, and lock sleeve 6 prevents it from reversing for locking bull stick 3.
When this utility model uses, rotate and hand-heldly take turns 4, gear 5 rotates and drives the inner rack 22 of both sides to two
End is mobile, and namely outer fagging 21 moves to two ends and strutted by operative incision, and makes to strut end clamping operation up and down
The edge of otch, when reaching required width, stopping operating and hand-heldly taking turns 4, and rotation lock cover 6, locking
After cover 6 and boss 11 push against, bull stick 3 is locked, prevent it from reversing.
This utility model compares the dilator of pull type, and it adopts rotating manner, is convenient to the tune to strutting width
Joint, to the damage of operative incision when avoiding strutting excessive; Locking sleeve structure is set, the convenient lock to distraction plate
Tight operation; What adopt Dual-layer struts end, avoids dilator to fall, and improves the reliability used.
More than describing is to explanation of the present utility model, is not the restriction to utility model, this utility model institute
Limit scope see claim, when without prejudice to spirit of the present utility model, this utility model
Any type of amendment can be done.
Claims (3)
1. a rotary type general surgery dilator, it is characterized in that: comprise rotary support plate (1), with boss (11) on rotary support plate (1), running through tumbler in described boss (11) has bull stick (3), and the lower end of described bull stick (3) is connected gear (5); Lower surface relatively described gear (5) centrosymmetry device in described rotary support plate (1) has distraction plate (2), described distraction plate (2) comprises the outer fagging (21) and the inner rack (22) that engages with described gear (5) that stagger and arrange, the end of described outer fagging (21) with strut on setting up and down end (24) and under strut end (23); The upper surface of described inner rack (22) is with slip flange (25), and the lower surface both sides of described rotary support plate (1) are provided with the chute (12) be slidably matched with described slip flange (25).
2. rotary type general surgery dilator as described in claim 1, is characterized in that: the upper end of described bull stick (3) is taken turns (4) with hand-held.
3. rotary type general surgery dilator as described in claim 1, is characterized in that: the upper screw of described bull stick (3) has the lock sleeve (6) being positioned at described boss (11) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615649.XU CN204106080U (en) | 2014-10-23 | 2014-10-23 | Rotary type general surgery dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615649.XU CN204106080U (en) | 2014-10-23 | 2014-10-23 | Rotary type general surgery dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204106080U true CN204106080U (en) | 2015-01-21 |
Family
ID=52323450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420615649.XU Expired - Fee Related CN204106080U (en) | 2014-10-23 | 2014-10-23 | Rotary type general surgery dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204106080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498078A (en) * | 2018-11-20 | 2019-03-22 | 王成云 | General surgery muscle pull device |
-
2014
- 2014-10-23 CN CN201420615649.XU patent/CN204106080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498078A (en) * | 2018-11-20 | 2019-03-22 | 王成云 | General surgery muscle pull device |
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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: 20150121 Termination date: 20151023 |
|
| EXPY | Termination of patent right or utility model |