CN201085703Y - Expanding device for abdominal operation - Google Patents
Expanding device for abdominal operation Download PDFInfo
- Publication number
- CN201085703Y CN201085703Y CNU200720041300XU CN200720041300U CN201085703Y CN 201085703 Y CN201085703 Y CN 201085703Y CN U200720041300X U CNU200720041300X U CN U200720041300XU CN 200720041300 U CN200720041300 U CN 200720041300U CN 201085703 Y CN201085703 Y CN 201085703Y
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- CN
- China
- Prior art keywords
- coupling sleeve
- bar
- adjusting lever
- straight
- position adjusting
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- Expired - Fee Related
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Abstract
The utility model discloses a dilator used for the abdominal operation, which comprises an adjustable dilating device, a lifting device and a fixing device; the lifting device is composed of a coupling sleeve and a metal straight rod sleeved in the coupling sleeve; the fixing device is composed of two fixing clamp plates; the adjustable dilating device is composed of two parallel straight main rods and two dilating rods; two parallel straight main rods are fixed on the coupling sleeve of the lifting device; the coupling sleeve is movably sleeved on the two parallel straight main rods; two dilating plates used for inserting into the incision are respectively arranged on the two dilating rods; a position-adjusting rod of the dilating rod is arranged between the two straight main rods; a segment of external thread is arranged on the position-adjusting rod of the dilating rod; the inner thread corresponding to the external thread is arranged on the coupling sleeve arranged between the two parallel straight main rods; the front end of the position-adjusting rod of the dilating rod is in rotational connection with the coupling sleeve; a locking device is arranged on the position-adjusting rod of the dilating rod. The movement of the utility model is completely controllable; the size of the expanded incision can be adjusted accurately and conveniently according to the requirements.
Description
Technical field
This utility model relates to a kind of assistive device of animal abdominal operation, is specifically related to a kind of abdominal operation dilator.
Background technology
When the operation of other positions of the various abdominal paries that carry out various animals such as rat or human body or health, exposure operating field that can be suitable is significant to the success of performing the operation, it is excessive that yet wound exposes, and brings excessive wound also can for human body or animal, is unfavorable for the rehabilitation of organism.Still reach the purpose that exposes operating field by the homemade various easy devices of each laboratory at present.These devices are difficult to realize accurately controlled to the wound size usually, and operation is also inconvenient.
Summary of the invention
This utility model provide a kind of strut controllable size, convenience, reliably, abdominal operation dilator efficiently, strut the dilator of skin, subcutaneous tissue and muscle when can be used for the abdominal operation of biologies such as rat, can be according to different abdominal operation modes, expose operating field rightly, the carrying out that had both helped every operation technique reduces unnecessary wound and maloperation again.
This utility model adopts following technical scheme:
A kind of abdominal operation dilator, it is to constitute by regulating device for spreading, lowering or hoisting gear and fixture, lowering or hoisting gear comprises coupling sleeve 1 and is inserted in the metal straight-bar 2 of this coupling sleeve 1; Fixture comprises that 31,32, straps of two straps are fixed in metal straight-bar 2 bottoms, and metal straight-bar 2 is inserted in another piece strap activity, and is locked by hold-down nut; The adjusting device for spreading struts bar by two 41,42 and two of parallel straight shape mobile jibs and forms 51,52, two straight parallel shape mobile jibs 41,42 are fixed on the coupling sleeve 1 of lowering or hoisting gear, one struts bar 51 is fixed in straight parallel shape mobile jib by coupling sleeve 511 end, another root struts bar 52 and is fixed on the coupling sleeve 521, and this coupling sleeve is movably set on two straight parallel shape mobile jibs 41,42; Two strut the distraction plate 512,522 that the insertion otch is set respectively on the bar 51,52, it is characterized in that between two straight shape mobile jibs, being provided with and strut bar position adjusting lever 6, this struts bar position adjusting lever 6 and is provided with one section external screw thread 61, be provided with the female thread that matches with external screw thread 61 on the coupling sleeve 511 between the two straight parallel shape mobile jibs, strut on the front end of bar position adjusting lever 6 and the coupling sleeve 521 and be rotationally connected, be provided with locking device strutting on the bar position adjusting lever 6.
In the technical program,, on above-mentioned two parallel straight shape mobile jibs 41,42, be provided with scale for accurately adjusting the position that struts bar.Start and can be fixed for making wound be strutted back brace, above-mentioned locking device is for being provided with the fastening bolt that cooperates with it at the thread segment that struts bar position adjusting lever.Strut by making that bar is more convenient to be promoted by screw rod, the front end that struts the structure that is rotationally connected on the front end of bar position adjusting lever 6 and the coupling sleeve 521 and be adjusting lever 6 is by entad ball thrust bearing and coupling sleeve 521 are rotationally connected.For regulating more easily, be provided with manual adjustments dish with its axis normal at the end that struts bar position adjusting lever 6, this manual adjustments dish is provided with the manual adjustments handle, by the operation regulating handle, make the manual adjustments dish rotate, thus the advancing and retreat of control screw rod.
This utility model obtains following technique effect:
1. this utility model struts bar by adopting screw drive, makes the motion that struts bar controlled fully, the size of the wound that is strutted is easy to accurate adjustment as required, has overcome the defective that prior art is difficult to accurately adjust the wound size.
2. this utility model is simple in structure, and is easy to use, can carry out the traction of different depth and direction as required, can expose blood vessel and internal organs behind deep operative space such as the abundant exposure peritoneum to greatest extent, helps the carrying out of animal surgery.
3. this utility model relates to a kind of rat abdomen when operation of being used for, and can draw the multifunctional abdomen operation dilator of drag hook automatically.Carrying out abdominal operation, especially hepatobiliary surgery must continuous traction during drag hook, use multifunctional abdominal operation exposing utensil, do not need the manpower tractive, can satisfy the lasting tractive of different directions, the different depth, different angles, operating field is appeared fully, be convenient to operation, shorten operating time, alleviate patient's physical demands.Multifunctional abdominal operation exposing utensil just can be produced with material such as rustless steel, general machining factory.
4. on two parallel straight shape mobile jibs, scale is set, the size that can harmonize wound more easily.
5. after wound is opened, use locking device to be fixed so that strut the position of bar, be difficult for being disturbed, thereby can guarantee that the working place of performing the operation does not change by the tension force of abdominal part and other external force, so help performing the operation smoothly, reliably carry out.
6. this utility model entad adopts ball thrust bearing to connect and struts bar position adjusting lever 6 and coupling sleeve 521, can can adjust necessary rotation so that strut bar position adjusting lever 6, and do not take place and coupling sleeve 521 between change in location, thereby the convenient slip that drives coupling sleeve 521 along straight parallel shape mobile jib helps strutting the accurate control of bar position.
7. this utility model adopts the manual adjustments handle to control the rotation of screw rod at the end of screw rod, makes that the rotation of screw rod is rapider.
8. this utility model adopts buncher control at the end of screw rod, can make that the speed of rotation of screw rod can soon can be slow, thereby can control the speed that struts bar, and is convenient when operation.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Embodiment 1
A kind of abdominal operation dilator, it is to constitute by regulating device for spreading, lowering or hoisting gear and fixture, lowering or hoisting gear comprises coupling sleeve 1 and is inserted in the metal straight-bar 2 of this coupling sleeve 1, be provided with fixing hole 11 on coupling sleeve; Fixture comprises that 31,32, straps of two straps are fixed in metal straight-bar 2 bottoms, and metal straight-bar 2 is inserted in another piece strap activity, and is locked by hold-down nut; The conciliation device for spreading struts bar by two 41,42 and two of parallel straight shape mobile jibs and forms 51,52, two straight parallel shape mobile jibs 41,42 are fixed on the coupling sleeve 1 of lowering or hoisting gear, one struts bar 51 is fixed in straight parallel shape mobile jib by coupling sleeve 511 end, another root struts bar 52 and is fixed on the coupling sleeve 521, and this coupling sleeve is movably set on two straight parallel shape mobile jibs 41,42; Two strut the distraction plate 512,522 that the insertion otch is set respectively on the bar 51,52, between two straight shape mobile jibs, be provided with and strut bar position adjusting lever 6, this struts bar position adjusting lever 6 and is provided with one section external screw thread 61, be provided with the female thread that matches with external screw thread 61 on the coupling sleeve 511 between the two straight parallel shape mobile jibs, strut on the front end of bar position adjusting lever 6 and the coupling sleeve 521 and be rotationally connected, be provided with locking device strutting on the bar position adjusting lever 6.
In the technical program,, be provided with screw thread in the fixing hole 11, coupling sleeve 1 can slide up and down along metal straight-bar 2, slide into needed position after, fix by fixing hole with bolt or screw.When work, above-mentioned two straps 31,32 are used to this dilator is fixed on the operating-table.Insert the distraction plate 512,522 of otch and can form by at least 1 distraction plate respectively, for example can be 1 or 2 or 3 or 4 or 5 blocks of plates.Strutting on the bar position adjusting lever 6 screw thread that is provided with matches with external screw thread 61 on the coupling sleeve 511, when strutting 6 rotations of bar position adjusting lever, its head drives coupling sleeve 512 and do in check slip on slide bar, after sliding into the position that needs, adopt the fixed-site of locking device with screw rod, for example can adopt at least one nut (can adopt two) both to be locked strutting the position that is screwed to coupling sleeve 512 on the bar position adjusting lever 6, also can directly adopt bayonet lock to fix strutting after bar 51 (perhaps coupling sleeve 511) moves to the relevant position.
In the technical program, for accurately adjusting the position that struts bar, be provided with scale on above-mentioned two parallel straight shape mobile jibs 41,42, graduated size is adjusted according to experimental subject.Start and can be fixed for making wound be strutted back brace, above-mentioned locking device is for being provided with the fastening bolt that cooperates with it at the thread segment that struts bar position adjusting lever.Strut by making that bar is more convenient to be promoted by screw rod, the front end that struts the structure that is rotationally connected on the front end of bar position adjusting lever 6 and the coupling sleeve 521 and be adjusting lever 6 is by entad ball thrust bearing and coupling sleeve 521 are rotationally connected.For regulating more easily, be provided with manual adjustments dish with its axis normal at the end that struts bar position adjusting lever 6, this manual adjustments dish is provided with the manual adjustments handle, by the operation regulating handle, make the manual adjustments dish rotate, thus the advancing and retreat of control screw rod.Buncher control is adopted in the rotation that struts bar position adjusting lever 6, at the end of screw rod conventional deceleration device is set, and can realize strutting the rotation of bar position adjusting lever 6.
Claims (5)
1. abdominal operation dilator, it is to constitute by regulating device for spreading, lowering or hoisting gear and fixture, lowering or hoisting gear comprises coupling sleeve (1) and is inserted in the metal straight-bar (2) of this coupling sleeve (1), be provided with fixing hole (11) on coupling sleeve; Fixture comprises two straps (31,32), and a strap is fixed in metal straight-bar (2) bottom, and metal straight-bar (2) is inserted in another piece strap activity, and is locked by hold-down nut (33); Reconciling device for spreading struts bar by two parallel straight shape mobile jibs (41,42) and two and forms (51,52), two straight parallel shape mobile jibs (41,42) are fixed on the coupling sleeve (1) of lowering or hoisting gear, one struts bar (51) is fixed in straight parallel shape mobile jib by coupling sleeve (511) end, another root struts bar (52) and is fixed on the coupling sleeve (521), and this coupling sleeve is movably set on two straight parallel shape mobile jibs (41,42); Two strut bar (51, the distraction plate (512 that inserts otch is set respectively 52), 522), it is characterized in that between two straight shape mobile jibs, being provided with and strut bar position adjusting lever (6), this struts bar position adjusting lever (6) and is provided with one section external screw thread (61), on coupling sleeve (511) between the two straight parallel shape mobile jibs, be provided with the female thread (62) that matches with external screw thread (61), the front end and the coupling sleeve (521) that strut bar position adjusting lever (6) are rotationally connected, and fixedly connected on straight parallel shape mobile jib direction with coupling sleeve (521), be provided with locking device strutting on the bar position adjusting lever (6).
2. abdominal operation dilator according to claim 1 is characterized in that being provided with scale on above-mentioned two parallel straight shape mobile jibs (41,42).
3. abdominal operation dilator according to claim 1 and 2 is characterized in that above-mentioned locking device is for being provided with fastening bolt or the bayonet lock that cooperates with it at the thread segment that struts bar position adjusting lever.
4. abdominal operation dilator according to claim 1 and 2, the front end that it is characterized in that strutting the structure that is rotationally connected on the front end of bar position adjusting lever (6) and the coupling sleeve (521) and be adjusting lever (6) is by entad ball thrust bearing and coupling sleeve (521) are rotationally connected.
5. abdominal operation dilator according to claim 1 is characterized in that being provided with manual adjustments dish (63) with its axis normal at the end that struts bar position adjusting lever (6), and this manual adjustments dish is provided with manual adjustments handle (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720041300XU CN201085703Y (en) | 2007-08-02 | 2007-08-02 | Expanding device for abdominal operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720041300XU CN201085703Y (en) | 2007-08-02 | 2007-08-02 | Expanding device for abdominal operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201085703Y true CN201085703Y (en) | 2008-07-16 |
Family
ID=39633293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720041300XU Expired - Fee Related CN201085703Y (en) | 2007-08-02 | 2007-08-02 | Expanding device for abdominal operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201085703Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102178567A (en) * | 2011-04-21 | 2011-09-14 | 四川大学华西医院 | Rat spine distraction device |
| CN107569296A (en) * | 2017-09-19 | 2018-01-12 | 广州医科大学附属第医院 | A kind of zoopery dilator |
| CN107648723A (en) * | 2017-10-23 | 2018-02-02 | 陕西省核工业二五医院 | Cranium struts drainage system after a kind of Multifunctional nerve surgery |
-
2007
- 2007-08-02 CN CNU200720041300XU patent/CN201085703Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102178567A (en) * | 2011-04-21 | 2011-09-14 | 四川大学华西医院 | Rat spine distraction device |
| CN102178567B (en) * | 2011-04-21 | 2013-06-19 | 四川大学华西医院 | Rat spine distraction device |
| CN107569296A (en) * | 2017-09-19 | 2018-01-12 | 广州医科大学附属第医院 | A kind of zoopery dilator |
| CN107569296B (en) * | 2017-09-19 | 2023-09-19 | 广州医科大学附属第一医院 | Animal experiment spreader |
| CN107648723A (en) * | 2017-10-23 | 2018-02-02 | 陕西省核工业二五医院 | Cranium struts drainage system after a kind of Multifunctional nerve surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 |