CN106491186A - Have the Minimally Invasive Surgery shears of flexible and anti-rotation concurrently - Google Patents
Have the Minimally Invasive Surgery shears of flexible and anti-rotation concurrently Download PDFInfo
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- CN106491186A CN106491186A CN201610899272.9A CN201610899272A CN106491186A CN 106491186 A CN106491186 A CN 106491186A CN 201610899272 A CN201610899272 A CN 201610899272A CN 106491186 A CN106491186 A CN 106491186A
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- flexible
- pivot pin
- transmission rope
- minimally invasive
- scissor body
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of Minimally Invasive Surgery shears for having flexible and anti-rotation concurrently, including the operating portion, flexible extension and the control unit that are sequentially connected, wherein, flexible extension includes that the flexible hose for being arranged at center, stacking are placed at least two layer line stocks coiling layer and the transmission rope being arranged in flexible hose of flexible hose outer wall, wherein, it is coiled to form from one end of flexible hose to the other end from least five strands per layer line stock coiling layer, the coil direction of any two layers of adjacent strands coiling layer is contrary；Operating portion includes intersecting first scissor body and the second scissor body of pivot joint and for the first scissor body of control and the operation device of the second scissor body action by connecting pivot pin, wherein, the front end of transmission rope is connected with operation device, the rear end of transmission rope is connected with control unit, so that operation device is in the presence of transmission rope, the first scissor body and the second scissor body is driven relative to each other to carry out open and close movement.
Description
Technical field
A kind of a kind of the present invention relates to medical apparatus and instruments, more particularly to surgical scissors.
Background technology
Minimally Invasive Surgery to be referred to and make some perforation in body surface, by endoscope and operation apparatus by above-mentioned aperture entrance body
Intracavity, such as abdominal cavity, thoracic cavity, articular cavity etc., by patient under the monitoring of endoscope, by handss in the external operator tool of patient, make
The working end that apparatus is stretched in patient's body cavity is cut off to the focus of intracavity, or the operation such as carries out repairing, sutures to organ, art
Finish and endoscope and apparatus are taken out, the aperture for suturing body surface can complete whole operation.
Traditional Minimally Invasive Surgery shears are to control opening for scissors bit by operating the flexible handle of scissor handle
And closure, when Minimally Invasive Surgery is carried out, in order to accurately control the opening and closing of shears in operation, handle can not be oversize, otherwise cannot
Control the operation of scissors bit exactly, further, since the organ distribution in human intracavity is complex, use when Minimally Invasive Surgery is needed
When the handle of shears carries out deep camber bending some vitals of avoidance, current Minimally Invasive Surgery shears are then difficult to complete, and
Even and if when making scissors handle using flexible material, flexible material is not only difficult to support scissors bit, it is also difficult to transmit patient couple
The control of scissors bit dynamics, it is impossible to complete the operation of Minimally Invasive Surgery.
A kind of endoscopic minimally-invasive shears as disclosed in Chinese patent 201110259086.6, which includes movable blade, fixation
Knife, movable knife bar, fixation knife bar, operation handle and operating control device, operating control device include making movable blade rotate and consolidate
Stationary knife is tightly stung or the mobile device that opens and the rot for making movable blade and fixing cutter rotation change shear direction completely；Mobile dress
Putting and pipe, push rod, back-moving spring and spring supporting ring being interlocked including movable blade, movable blade gearing pipe one end is connected with movable blade and can
To rotate, the other end is fixed with push rod；Push rod is mounted in operation handle rear end, has spring supporting ring, back-moving spring in operation handle
It is mounted between spring supporting ring and push rod；Movable blade with movable knife bar pin connection and can be rotated.However, the patent application institute
The endoscopic minimally-invasive shears of design cannot realize the bending effect of deep camber, it is difficult to adapt to complicated inner chamber environment.
A kind of and for example cardiac minimally-invasive surgery shears disclosed in Chinese patent 201310391193.3, the surgical scissorses bag
Include：Slender casing, sleeve pipe have relative first end and the second end；Cutter head, cutter head are fixed to the first end of sleeve pipe；Handle of a knife, knife
The near-end of handle is connected to the second end of sleeve pipe, and a part for the close sleeve pipe of handle of a knife is formed with through hole；Handle, handle by from
Two arms that the distal end of handle of a knife proximally extends are constituted；And pull bar, pull bar movably coordinates in through hole and sleeve pipe.Cutter head
One end that pull bar is connected to by the first link gear, the end of two arms are connected to the another of pull bar by the second link gear
One end, and two arms are formed with grip part in the part near sleeve pipe respectively.However, the heart designed by the patent application
The sleeve pipe of dirty Minimally Invasive Surgery shears still cannot realize the bending effect of deep camber, while needing after object wiped out by shears suitable
When hour hands or rotate counterclockwise, its sleeve pipe is also difficult to for the moment of torsion from handle to be successfully transferred to handle of a knife.
Therefore it provides a kind of Minimally Invasive Surgery shears for having flexible and anti-rotation concurrently becomes be badly in need of in the industry asking for solution
Topic.
Content of the invention
It is an object of the invention to provide a kind of Minimally Invasive Surgery shears for having flexible and anti-rotation concurrently, Minimally Invasive Surgery use
Shears not only can adapt to the bending that the labyrinth of human intracavity realizes deep camber, but also can be in bending in shears
Scissor body is successfully transferred a torque to during state.
To achieve these goals, the invention provides a kind of have the flexible Minimally Invasive Surgery shears with anti-rotation concurrently,
Including the operating portion, flexible extension and the control unit that are sequentially connected, wherein, flexible extension includes being arranged at the flexible soft of center
Pipe, stacking are placed at least two layer line stocks coiling layer and the transmission rope being arranged in flexible hose of flexible hose outer wall, its
In, it is coiled to form from one end of flexible hose to the other end from least five strands per layer line stock coiling layer, any two layers are adjacent
The coil direction of strands coiling layer is contrary；Operating portion includes the first scissor body and the second shears for intersecting pivot joint by connecting pivot pin
Body and the operation device for controlling the first scissor body and the second scissor body action, wherein, the front end of transmission rope is filled with operation
Put connected, the rear end of transmission rope is connected with control unit so that operation device in the presence of transmission rope, drive the first scissor body and
Second scissor body relative to each other carries out open and close movement.
Selectively, at least two layer line stocks coiling layer can be three layers or more than three layers.
Selectively, the transmission rope in flexible hose can be made up of steel wire or nylon wire.
Preferably, the first scissor body includes the first cut part anterior positioned at connection pivot pin and positioned at connection pivot pin rear portion
First Actuator Division, the second scissor body include the second cut part anterior positioned at connection pivot pin and positioned at connection pivot pin rear portion second
Actuator Division.
Preferably, operation device includes that the front end center of upper surface is fixed with the pedestal of connection pivot pin, front end and passes through first
Pivot is articulated in the first connecting rod of the second Actuator Division rear end, front end after the second pivot is articulated in the first Actuator Division
The second connecting rod at end, the rear end of the rear end of first connecting rod and second connecting rod is intersected pivot joint and rear end and transmission by being oriented to pivot pin
The guide way that the front end of rope is fixedly connected, wherein, connection pivot pin is respectively positioned on the longitudinal centre line of pedestal with pivot pin is oriented to, and is connected
Pivot pin, guiding pivot pin, the first pivot and the second pivot are respectively positioned on same level.
Preferably, extend to along the guiding position of pedestal and between base rear wall end, be provided with boss, boss front bulkhead center is to base
Seat rear wall end center offers guide channel, and guide way is placed in guide channel and guide channel is extended in front end, the axis of guide
Pin is formed at the front end of guide way.
Preferably, base rear wall end is extended to along the longitudinal centre line self- steering position of pedestal on base-plates surface and be formed with lead
To groove, guide way is placed in gathering sill and can move back and forth along gathering sill, the upper surface of guide way and the upper surface of pedestal
Same level is in, and is oriented to the upper surface that pivot pin is fixed on guide way.
Preferably, control unit includes controlling seat, be opened in control seat front bulkhead center and terminating at the first cunning of control seat
The through hole for wearing transmission rope of dynamic position, the longitudinal centre line along control seat extend to the second of control seat from the first slip position
Slip position is simultaneously formed at the control chute of seat upper surface, front end and is connected with the rear end of transmission rope and is placed in chute with along sliding
Dynamic clamping head and quiet clamping head between one end wall of the reciprocating slide block of groove and the end wall and chute that are located in slide block.
Selectively, dynamic clamping head and quiet clamping head is the stretching rubber parts that extension spring or center are provided with through hole, extension spring or
It is fixed on the front end that slide block is fixed in the rear end of the front bulkhead of chute, extension spring or stretching rubber parts in the front end of stretching rubber parts
Wall, the front end of transmission rope are fixed on the rear end of guide way through the through hole of the central through hole or stretching rubber parts of extension spring
Wall.
Selectively, dynamic clamping head and quiet clamping head is the front end of compression spring or compressing rubber part, compression spring or compressing rubber part
It is fixed on the aft bulkhead of chute in the rear end for being fixed on the aft bulkhead of slide block, compression spring or compressing rubber part.
Selectively, the aft bulkhead of control seat is provided with pushing and pressing part, and slide block is respectively provided on two sides with lantern finger ring.
Preferably, the aft bulkhead of pedestal is provided with the first packing ring, and the center of the first packing ring offers the first centre bore, control
The front bulkhead of seat is provided with second packing ring, and the center of second packing ring offers the second centre bore, and wherein, the front end of transmission rope passes through
First centre bore is fixed on the aft bulkhead of guide way, and the rear end of transmission rope is fixed on through the through hole of the second centre bore and control seat
The front end of the front bulkhead of slide block, at least two layer line stocks coiling layer is individually fixed in the aft bulkhead of the first packing ring, at least two layer line stocks
The rear end of coiling layer is individually fixed in the front bulkhead of second packing ring.
Preferably, same strands coiling is adopted per layer line stock coiling layer, and outer strands coil the strand count of layer
More than the strand count that inner strands coil layer.
Selectively, containment vessel is set outside operating portion and arranges flexible sleeve to avoid device outside flexible extension
Tool itself is damaged to patient.
The invention has the beneficial effects as follows：(1) as there is whole extension flexibility, Minimally Invasive Surgery can achieve Daqu (massive raw stater for alcholic liquor) with shears
The bending effect of rate, is more suitable for the complex environment of inner chamber；(2), as extension is (clockwise using multilamellar difference coil direction
Or counterclockwise) strands coiling layer construction, thus when needing clockwise or counterclockwise after scissor body wipes out object, disk
To tighten for the moment of torsion from control unit to be smoothly transferred to operating portion with direction of rotation identical strands coiling layer around direction；
(3), actuating device just can be utilized to control the opening and closing movement of scissor body by pulling the slide block of control unit, significantly reduces behaviour
The complexity of work.
Description of the drawings
Fig. 1 is the organigram of the Minimally Invasive Surgery shears for having flexible and anti-rotation concurrently of the present invention.
Section A-A schematic diagrams of the Fig. 2 for Fig. 1.
Fig. 3 is the organigram of another embodiment of the operating portion of the present invention.
Fig. 4 is the organigram of another embodiment of the control unit of the present invention.
Section B-B schematic diagrams of the Fig. 5 for Fig. 4.
Specific embodiment
Fig. 1 is refer to, according to a kind of non-limiting embodiment of the present invention, the present invention has flexible and anti-rotation concurrently
Minimally Invasive Surgery the shears operating portion 100, flexible extension 200 and the control unit 300 that include being sequentially connected.
Wherein, in order to realize whole extension concurrently flexible and anti-rotation is had, flexible extension 200 includes being arranged at center
Flexible hose 201, the transmission rope 203 being arranged in flexible hose 201 and stacking be placed on 201 outer wall of flexible hose
Two layer line stocks coil layer 2021 and 2022.Wherein, as shown in Fig. 2 soft from flexibility by least five strands per layer line stock coiling layer
One end of pipe 201 is coiled to form to the other end, and the coil direction of adjacent strands coiling layer 2021 and 2022 is propped up with strengthening on the contrary
Support rigidity.It is flexible that the setting of flexible hose and at least two layer line stocks coiling layer not only can ensure that flexible extension 200 has
Property, simultaneously as any two layers adjacent strands coiling layer have different coil directions (clockwise or counterclockwise), thus work as
When scissor body is needed clockwise or counterclockwise after wiping out object, coil direction coils layer with direction of rotation identical strands
To tighten for the moment of torsion from control unit 300 to be smoothly transferred to operating portion 100.
As shown in figure 1, operating portion 100 includes the first scissor body 110, the second scissor body 120 and can control first cutting
The operation device 130 of 120 action of cutter hub 110 and the second scissor body.First scissor body 110 and the second scissor body 120 are by connection
Pivot pin CS intersects pivot joint, and 110 points by the first scissor body of connection pivot pin CS is the first cut part anterior positioned at connection pivot pin CS
1101 and the first Actuator Division 1102 positioned at connection pivot pin CS rear portions, with this symmetrically, connection pivot pin CS is by the second scissor body 120
It is divided into the second cut part 1201 anterior positioned at connection pivot pin CS and the second Actuator Division 1202 positioned at connection pivot pin CS rear portions.For
Realize to the first scissor body 110 and the folding control of the second scissor body 120, operation device 130 include first connecting rod 1301, the
Two connecting rods 1302, pedestal 1303 and guide way 1304.
As shown in figure 1, connection pivot pin CS is fixed on the front end center of the upper surface of pedestal 1303, before first connecting rod 1301
End is articulated in 1202 rear end of the second Actuator Division by the first pivot PS1, and the front end of second connecting rod 1302 is pivoted by second
Pivot pin PS2 is articulated in 1102 rear end of the first Actuator Division, and in the non-limiting embodiment, the guiding position GP along pedestal 1303 prolongs
Extend and between 1303 rear wall end of pedestal, be provided with boss (not shown), boss front bulkhead center offers to base rear wall end center and leads
To passage 13035, guide way 1304 is placed in guide channel and guide channel is extended in its front end and rear end and transmission rope 203
Front end be fixedly connected, while the rear end of the rear end of first connecting rod 1301 and second connecting rod 1302 is by being formed at guide way 1304
Front end guiding pivot pin GS intersect pivot joint.
In order to realize the smooth folding of the first scissor body 110 and the second scissor body 120, connection pivot pin CS and guiding pivot pin GS
It is respectively positioned on the longitudinal centre line of pedestal 1303, meanwhile, connection pivot pin CS, it is oriented to pivot pin GS, the first pivot PS1 and the
Two pivots PS2 are located substantially at same level.Thus, operation device 130 is in the presence of transmission rope 203, drives the
One scissor body 110 and the second scissor body 120 relative to each other carry out open and close movement.
As a kind of alternative embodiments, as shown in figure 3, on 1303 surface of pedestal along pedestal 1303 longitudinal center
Line self- steering position GP extends to base rear wall end and is formed with gathering sill 13036, and guide way 1304 is placed in gathering sill and can
Move back and forth along gathering sill, the upper surface of guide way 1304 is in same level, and the axis of guide with the upper surface of pedestal 1303
Pin GS is fixed on the upper surface of guide way 1304.
In the non-limiting embodiment, as shown in figure 1, control unit 300 includes controlling seat 301, chute 302, slide block
303 and compression spring 304.As shown in figure 5, control seat 301 front bulkhead center offer one terminate at control seat 301 the
The through hole H of one slip position P1, transmission rope 203 can be penetrated in through hole H.Longitudinal centre line along control seat 301 is from the first slip position
P1 extends to the second slip position P2 of control seat 301 and in the upper surface for controlling seat 301 and forms chute 302, with transmission rope 203
The slide block 303 that rear end is connected is placed in chute 302 and can move back and forth along chute 302.In the non-limiting embodiment
In, the aft bulkhead of slide block 303, compression spring 304 or pressure are fixed in the front end of compression spring 304 or compressing rubber part (not shown)
It is fixed on the aft bulkhead of chute 302 in the rear end of contracting rubber parts.Additionally, 303 both sides of slide block are additionally provided with grip part 3035.
As a kind of alternative embodiments, as shown in figure 4, compression spring 304 can be replaced extension spring 305 or center
It is fixed on the front bulkhead of chute 302, extension spring 305 or stretching rubber in the front end for being provided with the stretching rubber parts (not shown) of through hole
The front bulkhead of slide block 303 is fixed in the rear end of glue part, and the front end of transmission rope 203 passes through central through hole or the drawing of extension spring 304
Stretch the through hole of rubber parts and be fixed on the aft bulkhead of guide way 1304.
As another alternative embodiments connected between flexible extension 200 and control unit 300, as shown in figure 1,
The aft bulkhead of pedestal 1303 is provided with the first packing ring W1, and the center of the first packing ring W1 offers the first centre bore (not shown), control
The front bulkhead of seat processed 301 is provided with second packing ring W2, and the center of second packing ring W2 offers the second centre bore (not shown), transmission
The aft bulkhead of guide way 1304 is fixed in the front end of rope 203 through the first centre bore, and the rear end of transmission rope 203 passes through the second center
The through hole H of hole and control seat 301 and be fixed on the front bulkhead of slide block 303, the front end of each strands coiling layer 2021 and 2022 is then
The first packing ring W1 being fixed on the aft bulkhead of pedestal 1303, the second pad that rear end is then fixed on the front bulkhead of control seat 301
Circle W2.
As another kind of alternative embodiments, compression spring 304 is not provided with, but is arranged in guide channel 13035
Back-moving spring (is such as located in the compression spring between 13035 end of 1304 end of guide way and guide channel), works as operator
After unclamping the grip part 3035 of slide block 303 both sides, guide way 1304 can in the presence of back-moving spring forward end (pivot pin GS
Direction) further the first cut part 1101 of drive and the second cut part 1201 are progressively recovered to open mode for motion.
Thus, when slide block 303 is pulled back, transmission rope 203 drives guide way 1304 to move backward, with guide way 1304
1302 move toward one another of first connecting rod 1301 and second connecting rod of pivot joint connection, and then it is utilized respectively the first Actuator Division 1102 and second
Actuator Division 1202 drives the first cut part 1101 and the second cut part 1201 to be progressively close to until completing shear action, when completing to cut
After cutting action, using compression spring 304 or extension spring 305 resilience force of itself, push or pull on guide way 1304 and transport forward
Dynamic, the first connecting rod 1301 and second connecting rod 1302 being connected with 1304 pivot joint of guide way carries out adverse movement, is utilized respectively then
First Actuator Division 1102 and the second Actuator Division 1202 drive the first cut part 1101 and the second cut part 1201 progressively to separate again.
Although here describes the preferred embodiment of the present invention in detail, it is to be understood that the invention is not limited in this
In the concrete structure that describes in detail and illustrate, without departing from the spirit and scope of the present invention can be by the technology of this area
Personnel realize other modifications and variant.
Claims (10)
1. a kind of Minimally Invasive Surgery shears for having flexible and anti-rotation concurrently, including be sequentially connected operating portion, flexible extension
And control unit, it is characterised in that：
The flexible extension includes that the flexible hose for being arranged at center, stacking are placed at least the two of the flexible hose outer wall
Layer line stock coiling layer and the transmission rope being arranged in the flexible hose, wherein, per layer line stock coiling layer by least five lines
Stock is coiled to form from one end of the flexible hose to the other end, and the coil direction of any two layers of adjacent strands coiling layer is contrary；
The operating portion includes the first scissor body and the second scissor body by connecting pivot pin intersection pivot joint and is used for controlling institute
The operation device of the first scissor body and the second scissor body action is stated, wherein, the front end of the transmission rope and the operation are filled
Put connected, the rear end of the transmission rope is connected with the control unit so that the operation device in the presence of the transmission rope,
First scissor body and second scissor body is driven relative to each other to carry out open and close movement.
2. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 1, it is characterised in that described first
Scissor body includes the first cut part anterior positioned at the connection pivot pin and the first Actuator Division positioned at the connection pivot pin rear portion,
Second scissor body includes the second cut part anterior positioned at the connection pivot pin and positioned at the connection pivot pin rear portion the
Two Actuator Divisions.
3. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 2, it is characterised in that the operation
Device includes that the front end center of upper surface is fixed with the pedestal of the connection pivot pin, front end and is articulated in institute by the first pivot
Stating the first connecting rod of the second Actuator Division rear end, front end, the second of first Actuator Division rear end is articulated in by the second pivot
Connecting rod, by be oriented to pivot pin by the rear end of the rear end of the first connecting rod and the second connecting rod intersect pivot joint and rear end with described
The guide way that the front end of transmission rope is fixedly connected, wherein, the connection pivot pin is respectively positioned on the pedestal with the guiding pivot pin
On longitudinal centre line, the connection pivot pin, the guiding pivot pin, first pivot and second pivot are equal
It is located at same level.
4. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 3, it is characterised in that along the base
The guiding position of seat to extend to and be provided with boss between the base rear wall end, and the boss front bulkhead center is to the base rear wall end
Center offers guide channel, and the guide way is placed in the guide channel and the guide channel is extended in front end, institute
State the front end that axis of guide pin is formed at the guide way.
5. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 3, it is characterised in that in the base
Longitudinal centre line on seating face along the pedestal extends to the base rear wall end from the guiding position and is formed with gathering sill, institute
State guide way to be placed in the gathering sill and can move back and forth along the gathering sill, the upper surface of the guide way with described
The upper surface of pedestal is in same level, and the guiding pivot pin is fixed on the upper surface of the guide way.
6. Minimally Invasive Surgery shears for having flexible and anti-rotation concurrently as described in claim 4 or 5, it is characterised in that described
Control unit includes controlling seat, be opened in the control seat front bulkhead center and terminating at the use of the first slip position for controlling seat
In wear the transmission rope through hole, along described control seat longitudinal centre line extend to the control from the first slip position
Second slip position of seat is simultaneously formed at the control chute of seat upper surface, front end and is connected with the rear end of the transmission rope and is held
It is placed in the chute along the reciprocating slide block of the chute and to be located in an end wall and the chute of the slide block
An end wall between dynamic clamping head and quiet clamping head.
7. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 6, it is characterised in that the elasticity
Return unit is the stretching rubber parts that extension spring or center are provided with through hole, before the extension spring or the stretching rubber parts
Before holding the rear end of the front bulkhead for being fixed on the chute, the extension spring or the stretching rubber parts to be fixed on the slide block
End wall, the front end of the transmission rope through the central through hole or the stretching rubber parts of the extension spring through hole and fixation
Aft bulkhead in the guide way.
8. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 6, it is characterised in that the elasticity
Return unit is fixed on the slide block for the front end of compression spring or compressing rubber part, the compression spring or the compressing rubber part
Aft bulkhead, the aft bulkhead of the chute is fixed in the rear end of the compression spring or the compressing rubber part.
9. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 6, it is characterised in that the pedestal
Aft bulkhead be provided with the first packing ring, the center of first packing ring offers the first centre bore, the front bulkhead of the control seat
Second packing ring is provided with, the center of the second packing ring offers the second centre bore, wherein, the front end of the transmission rope passes through institute
State the aft bulkhead that the first centre bore is fixed on the guide way, the rear end of the transmission rope is through second centre bore and described
The through hole of control seat is fixed on the front bulkhead of the slide block, and the front end of at least two layer line stocks coiling layer is individually fixed in
The aft bulkhead of first packing ring, the rear end of at least two layer line stocks coiling layer are individually fixed in the front end of the second packing ring
Wall.
10. the Minimally Invasive Surgery shears of flexible and anti-rotation are had concurrently as claimed in claim 6, it is characterised in that per layer line
Stock coiling layer adopts same strands coiling, and the strand count of outer strands coiling layer is more than inner strands coiling layer
Strand count.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899272.9A CN106491186A (en) | 2016-10-14 | 2016-10-14 | Have the Minimally Invasive Surgery shears of flexible and anti-rotation concurrently |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899272.9A CN106491186A (en) | 2016-10-14 | 2016-10-14 | Have the Minimally Invasive Surgery shears of flexible and anti-rotation concurrently |
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Cited By (7)
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| CN107260310A (en) * | 2017-07-31 | 2017-10-20 | 成都中科博恩思医学机器人有限公司 | The operating theater instruments and operating robot of operating robot |
| CN107890356A (en) * | 2017-08-29 | 2018-04-10 | 孙艳平 | It is a kind of can continuous sampling biopsy forceps |
| CN109009456A (en) * | 2018-07-13 | 2018-12-18 | 深圳市精锋医疗科技有限公司 | The motion arm of replaceable end instrument |
| CN109009455A (en) * | 2018-07-13 | 2018-12-18 | 深圳市精锋医疗科技有限公司 | Replaceable end instrument from operation equipment |
| CN109009454A (en) * | 2018-07-13 | 2018-12-18 | 深圳市精锋医疗科技有限公司 | Detachable end instrument from operation equipment |
| CN109498149A (en) * | 2018-12-27 | 2019-03-22 | 北京术锐技术有限公司 | Operation tool |
| CN109938805A (en) * | 2019-04-17 | 2019-06-28 | 李宽正 | The hydraulic micro- scissors of software |
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| CN109009455A (en) * | 2018-07-13 | 2018-12-18 | 深圳市精锋医疗科技有限公司 | Replaceable end instrument from operation equipment |
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| CN109938805B (en) * | 2019-04-17 | 2021-10-26 | 李宽正 | Soft hydraulic micro scissors |
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