CN109009335B - Universal microscopic scissors - Google Patents
Universal microscopic scissors Download PDFInfo
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- CN109009335B CN109009335B CN201810800887.0A CN201810800887A CN109009335B CN 109009335 B CN109009335 B CN 109009335B CN 201810800887 A CN201810800887 A CN 201810800887A CN 109009335 B CN109009335 B CN 109009335B
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000005452 bending Methods 0.000 abstract description 15
- 238000002406 microsurgery Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000037237 body shape Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010051290 Central nervous system lesion Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000944 nerve tissue Anatomy 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3201—Scissors
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Scissors And Nippers (AREA)
Abstract
The invention relates to universal microscopic scissors, which comprise universal sleeves, a linkage mechanism, a cutter head and an operating handle, wherein the universal sleeves are arranged on the outer side of the cutter head; the two ends of the universal sleeve are respectively an operation end and an operation end; the middle part of the linkage mechanism is rotatably sleeved in the universal sleeve, and the universal sleeve is provided with a locking part for locking and limiting the linkage mechanism; the tool bit is arranged at the operation end of the universal sleeve and is connected with the linkage mechanism; the operating handle is arranged at the operating end of the universal sleeve and is connected with the linkage mechanism in an adjustable way. The universal sleeve arranged on the universal microsurgery scissors solves the problem that the microsurgery scissors in the prior art cannot adjust the bending degree of the knife handle according to the condition in operation and the operation requirement; the locking part of the universal sleeve can directly lock the linkage mechanism to the universal sleeve; the hardness of the universal sleeve is adjustable; the operating handle is connected with the linkage mechanism in an adjustable way, so that the rotating angle of the operating handle can be adjusted conveniently under the condition that the cutter head is not influenced, and the operator can conveniently hold the operating handle during operation.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to universal microscopic scissors.
Background
Microsurgery scissors are a tool commonly used in microsurgery, are used for finely building blood vessels and nerve tissues and cutting pathological tissues and separating tissue gaps during microsurgery, and are commonly used instruments in microsurgery. With the development of microsurgery technology, minimally invasive and keyhole technology is widely applied to clinic, and the minimally invasive and keyhole technology at the front edge is more dependent on advanced and fine limiting surgical instruments and has higher requirements on the microsurgery instruments.
The conventional microsurgery scissors generally comprise two cutter bodies which are pivoted at one point, and the two cutter bodies respectively extend out of a handle towards the same side. The angle of the tool bit of the conventional microsurgery scissors cannot be adjusted, the bending degree of the conventional microsurgery scissors cannot be adjusted, the angle of the handle cannot be adjusted when the operation is inconvenient to hold, the convenience of operation of a doctor during the operation can be directly influenced, the operation effect is further influenced, and particularly, the operation of deep brain lesions with narrow gaps and complicated structures in the microsurgery operation is more and more influenced by the conventional instrument.
Therefore, there is an increasing need for a universal micro-scissors with adjustable cutter head angle, bending degree and operating handle.
Disclosure of Invention
Based on the above, the invention aims to provide the universal microscopic scissors with the characteristics of simple structure, adjustable cutter head angle, adjustable bending degree, adjustable operating handle and the like.
A universal microscopic scissors comprises a universal sleeve, a linkage mechanism, a cutter head and an operating handle;
The two ends of the universal sleeve are respectively an operation end and an operation end;
The middle part of the linkage mechanism is rotatably sleeved in the universal sleeve, and a locking part for locking and limiting the linkage mechanism is arranged on the universal sleeve;
the tool bit is arranged at the operation end of the universal sleeve and is connected with the linkage mechanism;
the operating handle is arranged at the operating end of the universal sleeve, and the operating handle is connected with the linkage mechanism in an adjustable mode.
The universal sleeve arranged on the universal microslip can directly adjust the bending degree of the universal sleeve so as to adjust the angle of the cutter head, thereby solving the problem that the microslip in the prior art can not adjust the bending degree of the cutter handle according to the condition in operation and the operation requirement; the locking part of the universal sleeve can directly lock the linkage mechanism to the universal sleeve, so that the angle of the cutter head is fixed and the cutter head is prevented from moving; the operating handle is connected with the linkage mechanism in an adjustable way, so that the rotating angle of the operating handle can be conveniently adjusted under the condition that the cutter head is not influenced, the operator can conveniently hold the operating handle, and the problem that the angle of the handle cannot be adjusted when the surgical scissors in the prior art are operated is solved.
Further preferably, the universal sleeve comprises a plurality of sections of collars connected end to end in sequence, and the collars positioned at the operation end are provided with nuts for adjusting the hardness of the universal sleeve.
Further preferably, the operation end of the universal sleeve is provided with the locking part;
the universal microscopic scissors further comprise locking pieces;
the locking piece is arranged on the locking part to lock and limit the linkage mechanism.
Further preferably, the locking portion is provided with an external thread; the locking piece is a limit screw.
Further preferably, the linkage mechanism comprises a pull rod and a linkage member; the pull rod is provided with a connecting end and a linkage end; the linkage has a first end and a second end;
the pull rod is rotatably sleeved in the universal sleeve, the connecting end of the pull rod is connected with the operating handle in an adjustable mode, and the linkage end of the pull rod is hinged with the first end of the linkage piece;
The second end of the linkage member is hinged with the cutter head.
Further preferably, the cutter head has two blades pivotally connected together; the number of the linkage pieces is two;
The first ends of the two linkage members are respectively hinged with the other ends of the pull rods, and the second ends of the two linkage members are respectively hinged with the two blades.
Further preferably, the operation handle comprises a center rod, a pull sleeve, two operation rods and two linkage rods;
the pull sleeve is sleeved on the central rod in a sliding manner, and the pull sleeve is connected with the connecting end of the pull rod in an adjustable manner;
The two operating rods are arranged on two sides of the central rod in a mirror image mode, one ends of the two operating rods are arranged at the rear part of the central rod, and gaps are formed between the other ends of the two operating rods and the central rod;
One end of each of the two linkage rods is hinged to the corresponding operation rod, and the other end of each of the two linkage rods is hinged to the corresponding pull sleeve.
Still preferably, the connecting end of the pull rod is provided with a plurality of circumferentially uniformly distributed buckling bulges, the front end of the pull sleeve is provided with a central hole, a plurality of circumferentially uniformly distributed clamping grooves are formed in the central hole, and the front end of the pull sleeve is connected with the connecting end of the pull rod in an adjustable manner through the matching of the buckling bulges and the clamping grooves.
Further preferably, the connecting end of the pull rod is provided with external threads, and the front end of the pull sleeve is provided with circumferential limit ribs;
the operating handle also comprises an adjusting nut; the pull sleeve is rotatably sleeved in the adjusting nut, and the adjusting nut is limited by the limiting rib;
The adjusting nut is connected with the connecting end of the pull rod through threads.
Further preferably, both sides of the central rod are respectively provided with a sliding groove extending along the axial direction of the central rod, and the pull sleeve is arranged on the sliding grooves in a sliding way;
The rear part of the central rod is provided with a bulge which is convenient to hold;
One ends of the two operating levers are arranged on the protrusions.
Compared with the prior art, the universal sleeve arranged on the universal microslip can directly adjust the bending degree of the universal sleeve so as to adjust the angle of the cutter head, and the problem that the microslip in the prior art cannot adjust the bending degree of the cutter handle according to the condition in operation and the operation requirement is solved; the locking part of the universal sleeve can directly lock the linkage mechanism to the universal sleeve, so that the angle of the cutter head is fixed and the cutter head is prevented from moving; the hardness of the universal sleeve is adjustable, so that the micro scissors are ensured to be adjusted to a proper shape and not easy to change during operation, and the operation in the operation is facilitated; the operating handle is connected with the linkage mechanism in an adjustable way, so that the rotating angle of the operating handle can be conveniently adjusted under the condition that the cutter head is not influenced, the operator can conveniently hold the operating handle, and the problem that the angle of the handle cannot be adjusted when the surgical scissors in the prior art are operated is solved. The universal microscopic scissors have the characteristics of simple structure, adjustable cutter head angle, adjustable bending degree, adjustable operating handle and the like.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a schematic structural view of a pair of universal microslip scissors according to the first embodiment.
Fig. 2 is a schematic structural view of the collar.
Fig. 3 is a schematic structural view of a linkage mechanism and a cutter head according to the first embodiment.
Fig. 4 is a schematic structural view of the operation lever of the first embodiment.
Fig. 5 is a schematic structural view of a linkage mechanism and an operation lever of the second embodiment.
Detailed Description
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible in this description are defined with respect to the configurations shown in the drawings, which are relative concepts. Therefore, the position and the use state of the device may be changed accordingly. These and other directional terms should not be construed as limiting terms.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of a pair of universal micro-scissors according to a first embodiment. The universal micro-scissors of the embodiment comprise a universal sleeve 1, a linkage mechanism 2, a cutter head 3 and an operating handle 4.
The two ends of the universal sleeve 1 are respectively an operation end 11 and an operation end 12.
The middle part of the linkage mechanism 2 is rotatably sleeved in the universal sleeve 1, and a locking part for locking and limiting the linkage mechanism 2 is arranged on the universal sleeve 1.
The tool bit 3 is arranged at the operation end 12 of the universal sleeve 1, and the tool bit 3 is connected with the linkage mechanism 2.
The operation handle 4 is disposed at the operation end 11 of the universal sleeve 1, and the operation handle 4 is adjustably connected with the linkage mechanism 2.
Specifically, the universal sleeve 1 of the present embodiment includes a plurality of sections of collars 10 connected end to end in sequence, and the collars 10 located at the operation end 11 are provided with nuts 13 for adjusting the hardness of the universal sleeve. When the universal sleeve is used, the hardness of the plurality of sections of the lantern rings 10 of the universal sleeve 1 can be adjusted by rotating the nuts 13, and after the rotation angle of the universal sleeve 1 is adjusted, the universal sleeve 1 can be locked by the nuts 13, so that the universal sleeve 1 is shaped. The hardness of the universal sleeve 1 is adjustable by rotating the nut 13 on the universal sleeve 1, so that the proper cutter body shape of the micro scissors is ensured to be adjusted and not to be changed easily during operation, and the operation in operation is facilitated.
Referring to fig. 2, fig. 2 is a schematic structural view of the collar. Preferably, the collar 10 of the present embodiment includes a hemispherical connection part 101 and a body part 102, the hemispherical connection part 101 of one collar 10 is embedded in the body part 102 of an adjacent collar 10, and the hardness of the universal joint 1 can be adjusted by adjusting the pressure between the hemispherical connection part 101 and the body part 102 by rotating the nut 13. The collar 10 may be made of titanium alloy or stainless steel.
The operating end 11 of the universal joint 1 is provided with the locking portion 111. The universal microslip further comprises a locking piece 5. The locking member 5 is disposed on the locking portion 111 to lock and limit the linkage mechanism 2.
Preferably, the locking part 111 of the present embodiment is provided with external threads; the locking piece 5 is a limiting screw. The limiting screw can be locked and fixed on the locking part 111, so that the linkage mechanism 2 is locked and limited, the linkage mechanism 2 is prevented from rotating, sliding and the like, and the movement of the cutter head 3 during operation is avoided.
With continued reference to fig. 3, fig. 3 is a schematic structural diagram of a linkage mechanism and a cutter head according to the first embodiment. The linkage 2 of the present embodiment includes a tie rod 21 and a linkage 22.
The pull rod 21 has a connecting end 211 and a linkage end 212. The linkage 22 has a first end and a second end.
The pull rod 21 is rotatably sleeved in the universal sleeve 1, the connecting end 211 of the pull rod 21 is adjustably connected with the operating handle 4, and the linkage end 212 of the pull rod 21 is hinged with the first end of the linkage piece 22. The second end of the linkage member 22 is hinged to the cutter head 3.
Preferably, the head 3 has two blades 31 pivoted together. The number of the linkage members 22 is two.
The first ends of the two links 22 are respectively hinged to the other ends of the tie rods 21, and the second ends of the two links 22 are respectively hinged to the two blades 31.
By pulling the pull rod 21, the two linkage members 22 can be driven to move, and the two blades 31 can be driven to rotate, so as to cut a surgical line during surgery, etc.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an operation handle according to the first embodiment. The operating handle 4 of the present embodiment includes a center rod 41, two operating rods 42, two link rods 43, and a pull sleeve 44.
The pull sleeve 44 is slidably sleeved on the central rod 41, and the pull sleeve 44 is adjustably connected with the connecting end of the pull rod 21.
The two operation levers 42 are arranged on two sides of the central lever 41 in a mirror image manner, one ends of the two operation levers 42 are arranged at the rear part of the central lever 41, and a gap is arranged between the other ends of the two operation levers 42 and the central lever 41.
One ends of the two linkage rods 43 are respectively hinged to the two operation rods 42, and the other ends of the two linkage rods 43 are respectively hinged to the pull sleeve 44.
Preferably, both sides of the central rod 41 are respectively provided with a sliding groove 40 extending along the axial direction thereof, and the pull sleeve 44 is slidably arranged on the sliding groove 40.
Further preferably, the connecting end of the pull rod 21 is provided with a plurality of circumferentially and uniformly distributed snap protrusions 210, the front end of the pull sleeve 44 is provided with a central hole, a plurality of circumferentially and uniformly distributed clamping grooves 440 are formed in the central hole, and the front end of the pull sleeve 44 is adjustably connected with the connecting end of the pull rod 21 through the cooperation of the snap protrusions 210 and the clamping grooves 440.
When in use, the locking protrusion 210 is rotated out of the locking groove 440, the pull sleeve 44 and the pull rod 21 can be separated, the angle of the pull sleeve can be adjusted by rotating the operating handle 4, and the pull sleeve 44 can be locked on the locking groove 440 through the locking protrusion 210 after the operating handle 4 is adjusted to the angle convenient for operation.
Before the angle of the operating handle 4 is adjusted, the pull rod 21 can be locked to the universal sleeve 1 through the locking piece 5, so that the action of adjusting the operating handle 4 does not affect the pull rod 21 and the cutter head 3.
For convenience of holding, the rear portion of the center rod 41 of the present embodiment is provided with a protrusion 410, and one ends of both the operation rods 42 are disposed on the protrusion 410. In operation, the protrusions 410 may be pressed against the palm of the hand to increase the grip effect on the handle 4.
The linkage mechanism 2, the tool bit 3 and the operating handle 4 of the embodiment can be preferably made of titanium alloy or stainless steel materials.
The using method of the universal micro shears of the embodiment comprises the following steps:
1. Basic shearing operation:
By pressing the two operation levers 42 of the operation handle 4, the pull sleeve 44 is pushed to slide on the chute 40, so as to drive the pull rod 21 to move backwards, and further drive the linkage 22 to drive the two blades 31 to rotate, so that the shearing operation is realized.
2. The angle of the cutter head 3 is adjusted according to the operation requirement:
The locking member 5 is unscrewed from the locking portion 111 of the universal sleeve 1, so that the linkage mechanism 2 is in an adjustable state (at this time, the locking protrusion 210 of the pull rod 21 is locked in the locking groove 440 of the pull sleeve 44), and the angle of the cutter head 3 is adjusted by rotating the operating handle 4.
3. The bending degree and the hardness of the universal sleeve 1 are adjusted according to the operation requirement:
The bending degree and the like of the universal sleeve 1 can be adjusted by directly bending the universal sleeve 1, so that the angle of the cutter head can be adjusted, and the operation is convenient. The hardness of the universal sleeve 1 is adjustable by rotating the nut 13 on the universal sleeve 1, so that the proper cutter body shape of the micro scissors is ensured to be adjusted and not to be changed easily during operation, and the operation in operation is facilitated.
4. The angle of the operating handle 4 is adjusted according to the operation requirement:
In the operation process, if the operation handle 4 is not convenient to hold, and the tool bit 3 and the universal sleeve 1 are not convenient to adjust again, the fastening protrusion 210 of the pull rod 21 can be screwed out of the fastening groove 440 of the pull sleeve 44, and after the angle of the operation handle 4 is adjusted, the fastening protrusion 210 of the pull rod 21 is fastened in the fastening groove 440 of the pull sleeve 44.
Example two
With continued reference to fig. 5, fig. 5 is a schematic structural diagram of the linkage mechanism and the operating handle according to the second embodiment.
The structure of the universal micro-scissors of this embodiment is substantially the same as that of the first embodiment, except that the connecting end of the pull rod 21 of this embodiment is provided with an external thread, and the front end of the pull sleeve 44 is provided with a circumferential limit rib 441.
The lever also includes an adjustment nut 45. The pull sleeve 44 is rotatably sleeved in the adjusting nut 45, and the adjusting nut 45 is limited by the limiting rib 441. The adjusting nut 45 is connected with the connecting end of the pull rod 21 through threads.
In use, the adjusting nut 44 may be screwed out from the connecting end 211 of the pull rod 21, so that the pull sleeve 44 is separated from the connecting end 211 of the pull rod 21, and the adjusting nut 44 is screwed into the connecting end 211 of the pull rod 21 after adjusting the angle of the operating handle 4 according to the operation requirement.
Compared with the prior art, the universal sleeve arranged on the universal microslip can directly adjust the bending degree of the universal sleeve so as to adjust the angle of the cutter head, and the problem that the microslip in the prior art cannot adjust the bending degree of the cutter handle according to the condition in operation and the operation requirement is solved; the locking part of the universal sleeve can directly lock the linkage mechanism to the universal sleeve, so that the angle of the cutter head is fixed and the cutter head is prevented from moving; the hardness of the universal sleeve is adjustable, so that the micro scissors are ensured to be adjusted to a proper shape and not easy to change during operation, and the operation in the operation is facilitated; the operating handle is connected with the linkage mechanism in an adjustable way, so that the rotating angle of the operating handle can be conveniently adjusted under the condition that the cutter head is not influenced, the operator can conveniently hold the operating handle, and the problem that the angle of the handle cannot be adjusted when the surgical scissors in the prior art are operated is solved. The universal microscopic scissors have the characteristics of simple structure, adjustable cutter head angle, adjustable bending degree, adjustable operating handle and the like.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (9)
1. The utility model provides a universal micro-scissors which characterized in that: comprises a universal sleeve, a linkage mechanism, a cutter head and an operating handle;
the two ends of the universal sleeve are respectively an operation end and an operation end, and the universal sleeve can be bent;
The middle part of the linkage mechanism is rotatably sleeved in the universal sleeve, a locking part used for locking and limiting the linkage mechanism is arranged on the universal sleeve, the universal micro-shear further comprises a locking piece, the locking piece is in threaded connection with the locking part so as to lock and limit the linkage mechanism, and the locking piece can be screwed out of the locking part, so that the linkage mechanism is in an adjustable state so as to adjust the angle of the tool bit;
the tool bit is arranged at the operation end of the universal sleeve and is connected with the linkage mechanism;
The operating handle is arranged at the operating end of the universal sleeve and is in adjustable connection with the linkage mechanism, so that the angle of the operating handle can be adjusted;
The linkage mechanism comprises a pull rod, and the pull rod is provided with a connecting end;
the pull rod is rotatably sleeved in the universal sleeve, and the connecting end of the pull rod is in adjustable connection with the operating handle;
The operating handle comprises a central rod and a pull sleeve;
the pull sleeve is sleeved on the central rod in a sliding manner, and the pull sleeve is connected with the connecting end of the pull rod in an adjustable manner;
The connecting end of the pull rod is provided with a plurality of buckling bulges, the front end of the pull sleeve is provided with a central hole, a plurality of clamping grooves are formed in the central hole, the front end of the pull sleeve and the connecting end of the pull rod are in adjustable connection through the matching of the buckling bulges and the clamping grooves, the buckling bulges are rotated out of the clamping grooves, the pull sleeve and the pull rod can be separated, and the angle of the pull sleeve can be adjusted by rotating the operating handle;
or, the connecting end of the pull rod is provided with external threads, and the front end of the pull sleeve is provided with circumferential limit ribs;
the operating handle also comprises an adjusting nut; the pull sleeve is rotatably sleeved in the adjusting nut, and the adjusting nut is limited by the limiting rib;
the adjusting nut is connected with the connecting end of the pull rod through threads, and the adjusting nut is screwed out of the connecting end of the pull rod, so that the pull sleeve is separated from the connecting end of the pull rod.
2. The universal microscissing as claimed in claim 1, wherein: the universal sleeve comprises a plurality of sections of sleeve rings which are connected end to end in sequence, and nuts used for adjusting the hardness of the universal sleeve are arranged on the sleeve rings at the operation ends.
3. The universal microscissing as claimed in claim 2, wherein: the operation end of the universal sleeve is provided with the locking part.
4. The universal microscissing as claimed in claim 3, wherein: the locking part is provided with external threads; the locking piece is a limit screw.
5. The universal microscissing as claimed in claim 1, wherein: the linkage mechanism comprises a linkage piece; the pull rod is provided with a linkage end; the linkage has a first end and a second end;
the linkage end of the pull rod is hinged with the first end of the linkage piece;
The second end of the linkage member is hinged with the cutter head.
6. The universal microslip of claim 5, wherein: the cutter head is provided with two blades pivoted together; the number of the linkage pieces is two;
The first ends of the two linkage pieces are hinged with the linkage ends of the pull rod respectively, and the second ends of the two linkage pieces are hinged with the two blades respectively.
7. The universal microscissing as claimed in claim 6, wherein: the operating handle comprises two operating rods and two linkage rods;
The two operating rods are arranged on two sides of the central rod in a mirror image mode, one ends of the two operating rods are arranged at the rear part of the central rod, and gaps are formed between the other ends of the two operating rods and the central rod;
One end of each of the two linkage rods is hinged to the corresponding operation rod, and the other end of each of the two linkage rods is hinged to the corresponding pull sleeve.
8. The universal microscissing as claimed in claim 7, wherein: the plurality of buckle bulges are circumferentially and uniformly distributed, and the plurality of clamping grooves are circumferentially and uniformly distributed.
9. The universal microscissing as claimed in claim 8, wherein: the two sides of the central rod are respectively provided with a sliding groove extending along the axial direction of the central rod, and the pull sleeve is arranged on the sliding grooves in a sliding manner;
The rear part of the central rod is provided with a bulge which is convenient to hold;
One ends of the two operating levers are arranged on the protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800887.0A CN109009335B (en) | 2018-07-20 | 2018-07-20 | Universal microscopic scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800887.0A CN109009335B (en) | 2018-07-20 | 2018-07-20 | Universal microscopic scissors |
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| Publication Number | Publication Date |
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| CN109009335A CN109009335A (en) | 2018-12-18 |
| CN109009335B true CN109009335B (en) | 2024-04-26 |
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| CN201810800887.0A Active CN109009335B (en) | 2018-07-20 | 2018-07-20 | Universal microscopic scissors |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403676B (en) * | 2019-08-29 | 2024-06-18 | 苏州碧利医疗科技有限公司 | Detachable micro-shear |
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| CN204446034U (en) * | 2015-02-02 | 2015-07-08 | 中国人民解放军第四军医大学 | One is universal can illumination scalpel |
| CN204636512U (en) * | 2015-04-30 | 2015-09-16 | 重庆西山科技有限公司 | The syndeton of cutter and handle and handle thereof |
| CN204971557U (en) * | 2015-09-28 | 2016-01-20 | 浙江科惠医疗器械股份有限公司 | Medical screwdriver of specific angle |
| CN105055004A (en) * | 2015-09-30 | 2015-11-18 | 江苏百易得医疗科技有限公司 | 360-degree rotary type vertebral plate bone rongeur |
| CN205268243U (en) * | 2015-11-18 | 2016-06-01 | 广东省心血管病研究所 | Minimal access surgery scissors |
| CN206836935U (en) * | 2016-12-13 | 2018-01-05 | 武汉金柏威光电技术有限公司 | A kind of neural microscissors |
| CN207152655U (en) * | 2017-02-24 | 2018-03-30 | 龚明 | A kind of universal handle for clamping neurosurgery microinstrument |
| CN108237497A (en) * | 2017-09-05 | 2018-07-03 | 慈溪市诚佳五金工具有限公司 | A kind of screwdriver |
| CN209437329U (en) * | 2018-07-20 | 2019-09-27 | 任建伟 | A kind of universal micro- scissors |
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| CN109009335A (en) | 2018-12-18 |
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