CN107007329A - Medical surgical instrument scissors - Google Patents
Medical surgical instrument scissors Download PDFInfo
- Publication number
- CN107007329A CN107007329A CN201710123931.4A CN201710123931A CN107007329A CN 107007329 A CN107007329 A CN 107007329A CN 201710123931 A CN201710123931 A CN 201710123931A CN 107007329 A CN107007329 A CN 107007329A
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- Prior art keywords
- scissors
- blade
- connecting rod
- operation device
- medical operation
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- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- 238000010008 shearing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 210000002683 foot Anatomy 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 claims description 6
- 229910000734 martensite Inorganic materials 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 5
- 230000008034 disappearance Effects 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910001026 inconel Inorganic materials 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0467—Instruments for cutting sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
Landscapes
- 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)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Scissors And Nippers (AREA)
Abstract
The scissors are one of the most commonly used instruments in surgical operations, the current medical surgical instrument scissors are of a stainless steel multi-piece structure and are connected and combined by hinges, and a doctor operates a handle to drive a front-end scissor piece through a traction steel wire and the hinges so as to cut tissues or sutures. The scissors have a complex structure, not only has a complex manufacturing process and improves the production cost, but also is difficult to clean and disinfect after being used, thereby affecting the safety and sanitation of the operation. In addition, the small hinge structure is limited in stress and easy to damage after being used for a certain number of times, so that the production cost is improved, and the service life is shortened. In order to solve the problems of high production cost, high processing difficulty, difficult disinfection, easy damage and short service life of the conventional hinge type scissors, the invention provides a pair of medical surgical instrument scissors, which adopts the relative motion of a push tube and a connecting rod to drive the blades of the scissors to open and close and comprises two scissors blades and a connecting rod which are oppositely arranged up and down.
Description
Technical field
The present invention relates to endoscope-assistant surgery instrument field, a kind of medical operation device scissors is related specifically to.
Background technology
Scissors is one of the most frequently used apparatus in surgical operation, and current medical operation scissors is stainless steel multi-sheet structure,
Hinge connection combination is relied on, doctor's control crank drives front end shear blade by traction steel wire and hinge, completes tissue or suture
Shearing.The scissor construction is complicated, and not only manufacture craft is more complicated, improves production cost, and is difficult to clean after, sterilizes
Difficulty, influence operation safety health.In addition, tiny hinge arrangement stress is limited, using being easily damaged after certain number of times, life is improved
Produce cost, reduction of service life；Therefore, hinge type scissors has that production cost is high, difficulty of processing is big, sterilization in the prior art
It is difficult, fragile, the problems such as service life is short.
The content of the invention
In order to solve, existing hinge type scissors production cost is high, difficulty of processing is big, sterilize difficult, fragile, service life
Short the problem of, the invention provides a kind of medical operation device scissors.
A kind of medical operation device scissors, it is characterised in that described including the upper and lower scissors blade being oppositely arranged of two panels
Scissors blade can adjust shearing force with the difference for being sheared thing size, so as to ensure that scissors vane stress is uniform.
Further, prepare scissors blade using elastic material to realize that the scissors blade can be with being sheared
The difference of thing size and adjust shearing force, the elastic deformation amount of the elastic material is 0.5% ~ 10%.
Further, the two panels or wherein a piece of scissors blade are prepared for niti-shaped memorial alloy, and NiTi shape
Memorial alloy martensite is less than 37 DEG C to the transformation end temp of parent phase.
Further, of the scissors blade of connecting rod front end is arranged on using the relative movement drives of ejector sleeve and connecting rod
Open and close are closed, including connecting rod and the upper and lower scissors blade being oppositely arranged of two panels, and the scissors blade is connected to by elastic component
The front end of connecting rod, the scissors blade includes blade and cutter hub；The elastic component refers to two prepared using elastomeric material
Flexible feet, one end of leg connects scissors blade respectively, and the other end is connected with the front end of connecting rod after merging, disappeared in external force
Scissors blade reverts to open configuration in the presence of elastic component after mistake.
Further, the connecting rod is Split type structure, including connecting rod leading portion and connecting rod back segment, connecting rod leading portion
Front end is connected with scissors blade, and the rear end of connecting rod leading portion is provided with the groove and boss that are fitting to connection with connecting rod back segment, or
Bolt or screw that person is threadedly coupled with connecting rod back segment, or the bayonet lock or neck being connected with connecting rod back segment rotary buckle.
Further, the scissors blade and the connecting rod or connecting rod leading portion are overall structure, or are welded or viscous
Overall structure is connected in succession.
Further, the blade and cutter hub of the scissors blade are structure as a whole；Or be split-type structural, the split
The blade of formula structure is fixed on cutter hub by neck, is either bonded on cutter hub or is spliced on cutter hub, or is welded on
On cutter hub.
Further, the cutting edge of the scissors blade blade is linearly or curve-like or zigzag.
Further, left side or right side of the scissors blade along closing direction are in arc shaped, and the radian of its camber line is 0 °
~180 °；Or, upside or downside of the scissors blade along closing direction are in arc shaped, and the radian of its camber line is less than 90 °.
Further, the lateral surface axially spaced-apart of the flexible feet of the elastic component is provided with some positioning convex.
Further, it is coated with outside surface of the exposed surface of the scissors blade, elastic component and connecting rod in addition to blade
There is the insulating barrier that surface is smooth.
Further, the split knife of the scissors blade has hard alloy layer or ceramic layer.
Further, the cutter hub of the scissors blade is medical stainless steel, titanium alloy, nickel-base alloy, inconel, modeling
Material, ceramics, high polymer material and other composites and above-mentioned material two or more combination.
A kind of beneficial effect of medical operation device scissors of the present invention is cut relative to existing hinge type scissors band dynamic elasticity
Blade opens or closed action, and this medical operation device scissors includes the upper and lower scissors blade being oppositely arranged of two panels and connection
Bar, overall structure is simple, using the opening and closing of ejector sleeve and the relative movement drives scissors blade of connecting rod, completes shearing dynamic
Make, easy to operate, scissors blade is connected to the front end of connecting rod, including blade and cutter hub by elastic component, and elastic component uses bullet
Property two flexible feets preparing of material, one end of leg connects scissors blade respectively, the other end merge after with before connecting rod
End is connected, and scissors blade reverts to open configuration in the presence of elastic component after external force disappearance, and this configuration reduces add
Work difficulty and production cost, easy cleaning sterilization, extend scissors service life, with good practicality.
Brief description of the drawings
Accompanying drawing 1 is the schematic front view that a kind of medical operation device scissors of the invention carries connecting rod.
Accompanying drawing 2 is that schematic diagram is opened in a kind of medical operation device scissors side view of the invention.
Accompanying drawing 3 is a kind of medical operation device scissors side view closure schematic diagram of the invention.
Accompanying drawing 4 is that a kind of left side of the medical operation device scissors blade of the invention along closing direction shows in 0 °~180 ° closures
It is intended to.
Accompanying drawing 5 is that a kind of upside of the medical operation device scissors blade of the invention along closing direction shows in 0 °~90 ° closures
It is intended to.
The groove that accompanying drawing 6 is fitting to connection for a kind of medical operation device scissors connecting rod leading portion and connecting rod back segment of the invention
And the structural representation of boss.
Accompanying drawing 7 is a kind of bolt of medical operation device scissors connecting rod leading portion and connecting rod back segment threaded connection of the invention
Or the structural representation of screw.
Accompanying drawing 8 is a kind of medical operation device scissors connecting rod leading portion and connecting rod back segment rotary buckle connection of the invention
The structural representation of bayonet lock or neck.
In figure：（1）Scissors blade,（101）Blade,（102）Cutter hub,（103）Scissors blades,（104）Positioning convex,
（105）Elastic component,（3）Connecting rod,（301）Connecting rod leading portion,（302）Connecting rod back segment.
Embodiment
A kind of medical operation device scissors of the invention is further described with specific embodiment below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the schematic front view that a kind of medical operation device scissors of the invention carries connecting rod, and accompanying drawing 2 is the present invention
Schematic diagram is opened in a kind of medical operation device scissors side view, and accompanying drawing 3 is a kind of medical operation device scissors side view closure of the invention
Schematic diagram, accompanying drawing 4 is that a kind of left side of the medical operation device scissors blade of the invention along closing direction shows in 0 °~180 ° closures
It is intended to, accompanying drawing 5 is a kind of upside of the medical operation device scissors blade of the invention along closing direction in 0 °~90 ° closure signals
Figure, accompanying drawing 6 is the groove that a kind of medical operation device scissors connecting rod leading portion and connecting rod back segment of the invention are fitting to connection and convex
The structural representation of platform, accompanying drawing 7 connects for a kind of medical operation device scissors connecting rod leading portion and connecting rod back segment screw thread of the invention
The bolt or the structural representation of screw connect, accompanying drawing 8 is a kind of medical operation device scissors connecting rod leading portion of the invention and connection
The bayonet lock of bar back segment rotary buckle connection or the structural representation of neck.
As seen from the figure, a kind of medical operation device scissors of the invention, including the upper and lower scissors blade being oppositely arranged of two panels
（1）, the scissors blade can be sheared thing size difference and adjust shearing force so that ensure scissors blade by
Power is uniform.Scissors blade is prepared using elastic material（1）So as to realize that the scissors blade can be with being sheared thing size
The difference of size and adjust shearing force, the elastic deformation amount of the elastic material is 0.5% ~ 10%.
The opening and closing of the scissors blade of connecting rod front end are arranged on by the relative movement drives of ejector sleeve and connecting rod,
Including the upper and lower scissors blade being oppositely arranged of connecting rod and two panels（1）, the scissors blade passes through elastic component（105）It is connected to
Connecting rod（3）Front end, the scissors blade include blade（103）And cutter hub（102）；The elastic component（105）Refer to use
Two flexible feets prepared by elastomeric material, one end of leg connects scissors blade respectively（1）, with connecting rod after other end merging
（3）Front end be connected, external force disappearance after scissors blade open configuration is reverted in the presence of elastic component.
The present invention in actual use, in open configuration, the scissors blade being oppositely arranged up and down（1）Side-glance shape be in
Splayed configuration structure, using ejector sleeve and the relative movement drives scissors blade of functor connecting rod（1）Opening and closing, complete to cut
Action is cut, easy to operate, scissors blade passes through elastic component（105）It is connected to connecting rod（3）Front end, including blade（103）With
Cutter hub（102）, two flexible feets that elastic component is prepared using elastomeric material, one end of leg connects scissors blade respectively（1）,
With connecting rod after other end merging（3）Front end be connected, external force disappearance after scissors blade（1）It is extensive in the presence of elastic component
Open configuration is answered into, this configuration reduces difficulty of processing and production cost, easy cleaning sterilization extends scissors service life,
With good practicality.
In the present embodiment, two panels scissors blade is prepared for niti-shaped memorial alloy, and niti-shaped memorial alloy horse
Family name's body is less than 37 DEG C to the transformation end temp of parent phase.The niti-shaped memorial alloy is organized as having preferably during martensitic phase
Plastic deformation characteristic, be organized as that there is preferable elastic deformation characteristic during parent phase, when the temperature increases, the martensitic phase by
Gradually change to parent phase, and the end temp that martensitic phase changes to parent phase is 37 DEG C；When being operated, due to environment
Temperature is higher than 37 DEG C, and the material structure of the scissor blade is parent phase, with preferable elastic deformation characteristic, shearing when
Wait, it is ensured that upper and lower scissors blades are preferably coincide and uniform force, it is ensured that otch state.Plasticity is produced when using a period of time
After deformation, using modes such as cold water soaks it can be made to be returned to original shape.A kind of this medical operation device scissors is abundant
Elastic deformation characteristic and shape when make use of niti-shaped memorial alloy more than the end temp that martensitic phase changes to parent phase
Shape memory characteristic, not only makes it have preferable performance, also extends service life.
Further, for the ease of the processing of connecting rod, the connecting rod（3）For Split type structure, including connecting rod leading portion
（301）With connecting rod back segment（302）, connecting rod leading portion（301）Front end and scissors blade（1）Connection, connecting rod leading portion（301）
Rear end be provided with and connecting rod back segment（302）The groove and boss of fitting connection, or be threadedly coupled with connecting rod back segment
Bolt or screw, or the bayonet lock or neck being connected with connecting rod back segment rotary buckle；Chimeric company is set in the present embodiment
The groove and boss connect；In another embodiment, the bolt or screw of threaded connection are set to；In another embodiment, set
The bayonet lock or neck connected for rotary buckle.
Further, in order to increase the intensity of whole scissors blade, the scissors blade and the connecting rod or connecting rod
Leading portion is overall structure, or welding or bonding connection are overall structure；In the present embodiment, scissors blade is whole with connecting rod
Body structure, in another embodiment, scissors blade and connecting rod are using being welded to connect, in another embodiment, scissors blade and
Connecting rod uses overall structure.
Further, for the ease of the processing of scissors, production cost is reduced, the blade and cutter hub of the scissors blade are one
Body structure；Or be split-type structural, the blade of the split-type structural is fixed on cutter hub by neck, or is bonded in knife
On body, either mounting is on cutter hub or is welded on cutter hub.In the present embodiment, blade and cutter hub are split-type structural, are adopted
Blade is bonded on cutter hub with inorganic adhesive, in another embodiment, blade cutter hub is connected to by the way of mounting
On.
Further, in order to adapt to a variety of surgical applications, the scissors blade blade（103）Cutting edge it is linear
Blade is used in shape or curve-like or zigzag, the present embodiment（103）Cutting edge it is linearly；In another embodiment, it is described
Blade（103）Cutting edge it is curvilinear；In another embodiment, the blade（103）Cutting edge be serrated.
Further, in order to adapt to different surgical environments, the scissors blade is in along the left side or right side of closing direction
Arc shaped, the radian of its camber line is 0 °~180 °（See Fig. 4）；Or, upside or downside of the scissors blade along closing direction
In arc shaped, the radian of its camber line is less than 90 °（See Fig. 5）；In the present embodiment, left side of the scissors blade along closing direction or
The camber line radian on right side is 0 °, and the radian of the camber line of upside or downside of the scissors blade along closing direction is 0 °, is scissors straight, main
It is used to take out stitches in performing the operation；In another embodiment, camber line radian of the scissors blade along the left side of closing direction is 90 °, scissors
The radian of the camber line of upside or downside of the blade along closing direction is 0 °, is arc scissors, for thin vessels shearing；In another reality
Apply in example, camber line radian of the scissors blade along the left side of closing direction is 180 °, upside of the scissors blade along closing direction or under
The radian of the camber line of side is 0 °, is arc scissors, for thin vessels shearing or nasal scissors；In another embodiment, scissors blade edge
The left side of closing direction or the camber line radian on right side are 0 °, and the radian of camber line of the scissors blade along the upside of closing direction is 45 °,
For arc scissors, sheared for thin vessels；In another embodiment, the camber line in left side or right side of the scissors blade along closing direction
Radian is 0 °, and the radian of camber line of the scissors blade along the upside of closing direction is 89 °, is arc scissors, for thin vessels shearing.
Further, the radian opened for the ease of scissors in control operation, the outside of the flexible feet of the elastic component
The contact site axially spaced-apart of face and ejector sleeve is provided with some positioning convex（104）, it is provided with and positioning convex in the port of ejector sleeve
The positioning concave tooth matched.
Further, the radian opened for the ease of scissors in control operation, the outside of the flexible feet of the elastic component
Face axially spaced-apart is provided with some positioning convex（104）, the positioning matched with positioning convex is provided with the port of ejector sleeve recessed
Tooth.
Further, in order to prevent scissors from leaking electricity in use, the scissors blade, elastic component and connecting rod it is naked
Reveal surface and be coated with the smooth insulating barrier in surface outside the surface in addition to blade.
Further, in order to improve life-span of scissors, the split knife of the scissors blade have hard alloy layer or
Ceramic layer.In the present embodiment, the material of the split knife uses ceramic material.
Further, in order to reduce the cost of scissors, the cutter hub of the scissors blade is medical stainless steel, titanium alloy, nickel
Based alloy, inconel, plastics, ceramics, high polymer material and other composites and two kinds or two kinds of above-mentioned material with
On combination, in the present embodiment, the material of the scissors cutter hub uses medical 304 stainless steel.
A kind of beneficial effect of medical operation device scissors of the present invention is cut relative to existing hinge type scissors band dynamic elasticity
Blade opens or closed action, and overall structure is simple, and easy to operate and reduction difficulty of processing and production cost, easy cleaning disappear
Poison, extends scissors service life, with good practicality.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in protection scope of the present invention.
Claims (13)
1. a kind of medical operation device scissors, it is characterised in that described to cut including the upper and lower scissors blade being oppositely arranged of two panels
Knife blade can adjust shearing force with the difference for being sheared thing size, so as to ensure that scissors vane stress is uniform.
2. a kind of medical operation device scissors according to claim 1, it is characterised in that prepared and cut using elastic material
Knife blade is so as to realize that the scissors blade can adjust shearing force with the difference for being sheared thing size, the superlastic
Property material elastic deformation amount be 0.5% ~ 10%.
3. a kind of medical operation device scissors according to claim 1, it is characterised in that the two panels wherein a piece of is cut
Knife blade is prepared for niti-shaped memorial alloy, and niti-shaped memorial alloy martensite is less than to the transformation end temp of parent phase
37℃。
4. a kind of medical operation device scissors according to claim 1, it is characterised in that use ejector sleeve and the phase of connecting rod
It is arranged on the opening and closing of the scissors blade of connecting rod front end to motion driving, including connecting rod and two panels is upper and lower relative sets
The scissors blade put, the scissors blade is connected to the front end of connecting rod by elastic component, the scissors blade include blade and
Cutter hub；The elastic component refers to two flexible feets prepared using elastomeric material, and one end of leg connects scissors blade respectively,
The other end is connected after merging with the front end of connecting rod, and scissors blade is reverted in the presence of elastic component after external force disappearance opens
Open state.
5. a kind of medical operation device scissors according to claim 4, it is characterised in that the connecting rod is split knot
Structure, including connecting rod leading portion and connecting rod back segment, the front end of connecting rod leading portion are connected with scissors blade, the rear end of connecting rod leading portion
The groove and boss being fitting to connection with connecting rod back segment, or the bolt or screw being threadedly coupled with connecting rod back segment are provided with,
Or the bayonet lock or neck being connected with connecting rod back segment rotary buckle.
6. a kind of medical operation device scissors according to claim 4, it is characterised in that the scissors blade and the company
Extension bar or connecting rod leading portion are overall structure, or welding or bonding connection are overall structure.
7. a kind of medical operation device scissors according to claim 4, it is characterised in that the blade of the scissors blade and
Cutter hub is structure as a whole；Or be split-type structural, the blade of the split-type structural is fixed on cutter hub by neck, or
It is bonded on cutter hub, either mounting is on cutter hub or is welded on cutter hub.
8. a kind of medical operation device scissors according to claim 4, it is characterised in that the sword of the scissors blade blade
Mouthful linearly or curve-like or zigzag.
9. a kind of medical operation device scissors according to claim 4, it is characterised in that scissors blade edge closure side
To left side or right side be in arc shaped, the radian of its camber line is 0 °~180 °；Or, the scissors blade is along the upper of closing direction
Side or downside are in arc shaped, and the radian of its camber line is less than 90 °.
10. a kind of medical operation device scissors according to claim 4, it is characterised in that the elasticity branch of the elastic component
The lateral surface axially spaced-apart of pin is provided with some positioning convex.
11. a kind of medical operation device scissors according to claim 4, it is characterised in that the scissors blade, elastic component
With the exposed surface of connecting rod the smooth insulating barrier in surface is coated with outside the surface in addition to blade.
12. a kind of medical operation device scissors according to claim 7, it is characterised in that the split of the scissors blade
Knife has hard alloy layer or ceramic layer.
13. a kind of medical operation device scissors according to claim 1, it is characterised in that the cutter hub of the scissors blade
For medical stainless steel, titanium alloy, nickel-base alloy, inconel, plastics, ceramics, high polymer material and other composites with
And above-mentioned material two or more combination.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123931.4A CN107007329A (en) | 2017-03-03 | 2017-03-03 | Medical surgical instrument scissors |
| PCT/CN2018/077947 WO2018157869A1 (en) | 2017-03-03 | 2018-03-03 | Functional member for medical surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123931.4A CN107007329A (en) | 2017-03-03 | 2017-03-03 | Medical surgical instrument scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107007329A true CN107007329A (en) | 2017-08-04 |
Family
ID=59440565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710123931.4A Pending CN107007329A (en) | 2017-03-03 | 2017-03-03 | Medical surgical instrument scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107007329A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018157869A1 (en) * | 2017-03-03 | 2018-09-07 | 重庆长麟梅捷医疗科技有限公司 | Functional member for medical surgical instrument |
| CN109171891A (en) * | 2018-07-06 | 2019-01-11 | 芜湖匠心金属材料科技有限公司 | A kind of hard metal inserts medical operation is cut and its manufacturing method |
| WO2020119647A1 (en) * | 2018-12-13 | 2020-06-18 | 北京迈迪顶峰医疗科技有限公司 | Knot tying device |
| RU2772893C1 (en) * | 2018-12-13 | 2022-05-26 | Бейджин Мед-Зенит Медикал Сайентифик Корпорейшн Лимитед | Knotting unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190399B1 (en) * | 1995-05-12 | 2001-02-20 | Scimed Life Systems, Inc. | Super-elastic flexible jaw assembly |
| CN104027154A (en) * | 2013-03-04 | 2014-09-10 | 张天振 | Pediatric tonsil grasper |
| CN105431094A (en) * | 2013-07-10 | 2016-03-23 | 波士顿科学国际有限公司 | Tissue grasping and wound closing clipping device |
| CN205107800U (en) * | 2015-11-11 | 2016-03-30 | 上海理工大学 | Pincers are blocked to detachable blood vessel under peritoneoscope |
| WO2016051898A1 (en) * | 2014-09-30 | 2016-04-07 | 株式会社iMott | Scissors |
-
2017
- 2017-03-03 CN CN201710123931.4A patent/CN107007329A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190399B1 (en) * | 1995-05-12 | 2001-02-20 | Scimed Life Systems, Inc. | Super-elastic flexible jaw assembly |
| CN104027154A (en) * | 2013-03-04 | 2014-09-10 | 张天振 | Pediatric tonsil grasper |
| CN105431094A (en) * | 2013-07-10 | 2016-03-23 | 波士顿科学国际有限公司 | Tissue grasping and wound closing clipping device |
| WO2016051898A1 (en) * | 2014-09-30 | 2016-04-07 | 株式会社iMott | Scissors |
| CN205107800U (en) * | 2015-11-11 | 2016-03-30 | 上海理工大学 | Pincers are blocked to detachable blood vessel under peritoneoscope |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018157869A1 (en) * | 2017-03-03 | 2018-09-07 | 重庆长麟梅捷医疗科技有限公司 | Functional member for medical surgical instrument |
| CN109171891A (en) * | 2018-07-06 | 2019-01-11 | 芜湖匠心金属材料科技有限公司 | A kind of hard metal inserts medical operation is cut and its manufacturing method |
| WO2020119647A1 (en) * | 2018-12-13 | 2020-06-18 | 北京迈迪顶峰医疗科技有限公司 | Knot tying device |
| RU2772893C1 (en) * | 2018-12-13 | 2022-05-26 | Бейджин Мед-Зенит Медикал Сайентифик Корпорейшн Лимитед | Knotting unit |
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