CN109938802A - Minimally Invasive Surgery instrument - Google Patents
Minimally Invasive Surgery instrument Download PDFInfo
- Publication number
- CN109938802A CN109938802A CN201910356192.2A CN201910356192A CN109938802A CN 109938802 A CN109938802 A CN 109938802A CN 201910356192 A CN201910356192 A CN 201910356192A CN 109938802 A CN109938802 A CN 109938802A
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- Prior art keywords
- gear
- binding clip
- minimally invasive
- invasive surgery
- rack gear
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- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 230000013011 mating Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims 1
- 230000003902 lesion Effects 0.000 abstract description 10
- 238000001356 surgical procedure Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 6
- 208000002193 Pain Diseases 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000001258 synovial membrane Anatomy 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of Minimally Invasive Surgery instruments, comprising: Handleset, including fixed handle and relative to the rotatable flexible handle of fixed handle;Binding clip component, including fixed pliers head and relative to the rotatable movable binding clip of fixed pliers head;Flexible handle is connected by gear-driven assembly with the first end of drive rod, the second end of interlocking lever is connected with movable binding clip, so that gear-driven assembly drives drive rod rotation when rotary moveable handle, to which movable binding clip is along the axial-rotation of connecting rod, movement is cut sting.Using the Minimally Invasive Surgery instrument in the present invention, it is ingenious in design, it is simple for structure, being applied to making every effort to promote on flexible handle rotates flexible handle, and flange and recess through matching, the teeth portion matched and gear, the axis by movable binding clip along connecting rod rotate, can directly to operation channel side face lesion sting cutting, suitable for mini-invasive incision surgical procedure, using easy, easy to operate, it is suitable for large-scale promotion application.
Description
Technical field
The present invention relates to field of surgical, in particular to a kind of Minimally Invasive Surgery instruments.
Background technique
Minimally invasive surgery technology is referred to and is implemented in human body using the endoscopes such as laparoscope, thoracoscope and other supporting tools
The surgery operating technology of operation.Minimally Invasive Surgery has many advantages, such as that wound is small, bleeding is few, pain is light, recovery is fast.With surgical operation
The development of technology, Minimally Invasive Surgery has been deep into the various fields of surgical operation, such as abdominal cavity, thoracic cavity, spinal surgery, orthopaedics, joint
Surgery etc..Lesions position is reached by several skin passages or miniature incision, using under the direct-view of optical fiber imaging technique
It is operated, because operation path is narrow, notch only 0.5cm to 1cm is proposed design, the manufacture of surgical instrument higher
Requirement.
Wherein there is a kind of surgical instrument to clamp basket, also referred to as impact type biopsy forceps, the instrument mainly act on orthopaedics joint hand
It is stung in art and cuts or cut off the tissue such as synovial membrane, meniscus, kneecap cartilage, be one of most common hand instrument in arthrocsopic surgery,
Head, gauge diameter only have 3~5mm, motion mode and the torque transmitting of the product are as follows: application acts on flexible handle
Power delivers torque to push rod by the connection of handle and push rod, due to the motion structure of push rod and movable punch head connect so that
Movable punch head axially rotates along push rod, cuts movement to be formed to sting.Power in the utilization of clinical operation, just due to basket pincers
Square transfer mode so that doctor can under smaller wound enter articular cavity carry out stinging for pathological tissues cut, correct, reach
The effect of Minimally Invasive Surgery.
As shown in Fig. 1~2, surgical clamp in the prior art generally comprises fixed handle 1 ', flexible handle 2 ', rivet S, consolidates
Determine binding clip 3 ' and movable binding clip 4 ', binding clip leans on double rivet arrangements to be connected, it is rotated by push rod promotion activity binding clip around rivet S,
Achieve the purpose that sting after engaging with fixed pliers head to cut tissue, which can not sting the lesion for cutting side.
However, the apparatus work structure and torque pass since the mode of action of the instrument is deep into inside articular cavity
The mode of passing cause to be only capable of stinging cut, the lesions position of revisional operation channel axial direction, operation channel side face position lesion can not be carried out
It stings and cuts and correct.There is high requirement to the accuracy for establishing operation path using the surgical instrument of the type, increases operation
Difficulty and risk.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned prior art, providing one kind be can be realized to operation channel side
Face lesion, which sting, cuts and Minimally Invasive Surgery instrument ingenious in design, simple for structure.
To achieve the goals above, the Minimally Invasive Surgery technique with the apparatus scheme that the present invention uses is as follows: including:
Handleset, the Handleset include fixed handle and relative to the rotatable activity of fixed handle
Handle;
Binding clip component, the binding clip component include fixed pliers head and relative to the rotatable activity of fixed pliers head
Binding clip;
Wherein, the flexible handle is connected by gear-driven assembly with the first end of drive rod, the gearing
The second end of bar is connected with the movable binding clip, so that passing when the rotation flexible handle via the gear
Dynamic component drives the drive rod rotation, thus axial-rotation of the movable binding clip along the connecting rod, with into
Row, which is stung, cuts movement.
Preferably, the gear-driven assembly includes gear and at least one rack gear for matching with the gear,
The gear is arranged to be connected with the first end of the connecting rod and be arranged to, Mei Gesuo coaxial with the connecting rod
The rack gear stated is arranged to the first area with the teeth portion matched with the gear and is connected with the flexible handle
Second area so that driving the movement of the rack gear when the rotation flexible handle, passing through nibbling for rack and pinion
It closes, thus the rotation of rotation and drive rod with moving gear.
Preferably, the gear-driven assembly include the first rack gear and the second rack gear, the first of first rack gear
The second area of region and the second rack gear is oppositely arranged so that the gear be located at first rack gear first area and
Between the second area of second rack gear and when the gear rotation, first rack gear and second rack gear
It moves in opposite direction respectively.
Preferably, the second area of the rack gear and the flexible handle are detachably connectable.
Preferably, the second area of the rack gear and the flexible handle match by flange and with the flange
The recess of conjunction is detachably connectable, the flange be set to the second area of the rack gear or in flexible handle one
A, the recess is set to the second area of the rack gear or another in flexible handle.
Preferably, the second end of the interlocking lever is provided at least one mating surface, axis is arranged in the movable binding clip
Hole, the axis hole have mounting surface corresponding with the mating surface, and the interlocking lever is set in the axis hole
And the mating surface is matched with the mounting surface, so that the movable binding clip is rotated with the rotation of interlocking lever.
Preferably, the fixed pliers head includes hollow body, the hollow body has accommodating chamber and mounting hole, institute
The second end for the interlocking lever stated is arranged in the axis hole and mounting hole, so that the movable binding clip is installed on the receiving
In chamber.
Preferably, the movable binding clip has upper surface, to form occlusion portion with the accommodating chamber of the fixed pliers head,
The occlusion portion is arranged to extend along the axis direction perpendicular to the interlocking lever.
Preferably, the fixed pliers head and movable binding clip are oval binding clip.
Preferably, the interlocking lever is socketed in fixed link and rotatable in the fixed link.
It is ingenious in design using the Minimally Invasive Surgery instrument in the present invention, it is simple for structure, using gear drive, it is applied to work
Making every effort to promote on fixed handle rotates flexible handle, flange and recess through matching, the teeth portion matched and gear, by adjustable clamp
Head is rotated along the axis of connecting rod, and to carry out stinging the purpose for cutting tissue, particularly, occlusion portion can be directly to operation channel side
The lesion in face sting cutting, and is suitable for mini-invasive incision surgical procedure, using easy, easy to operate, is suitable for large-scale promotion application.
Detailed description of the invention
Fig. 1 is the prior art of Minimally Invasive Surgery instrument.
Fig. 2 is the partial enlarged view of binding clip in Fig. 1.
Fig. 3 is the structural schematic diagram of the Minimally Invasive Surgery instrument in the present invention.
Fig. 4 is partial structure diagram in the Minimally Invasive Surgery instrument in the present invention.
Fig. 5 is the partial enlargement diagram of Fig. 4 middle gear transmission parts.
Fig. 6 is the side view of Fig. 4 middle gear transmission parts.
Fig. 7 be the present invention in Minimally Invasive Surgery instrument in binding clip component decomposition diagram.
Fig. 8 is the structural schematic diagram after binding clip component assembling in the Minimally Invasive Surgery instrument in the present invention.
Appended drawing reference
1 fixed handle
2 flexible handles
3 fixed pliers heads
4 movable binding clips
5 fixed links
6 interlocking levers
7 gears
8 rack gears
9 flanges
10 mating surfaces
11 axis holes
12 mounting holes
13 upper surfaces
14 accommodating chambers
Specific embodiment
In order to be more clearly understood that technology contents of the invention, spy lifts following embodiment and is described in detail.
It as shown in figs. 34, is the specific embodiment of Minimally Invasive Surgery instrument of the invention, comprising: Handleset, it is described
Handleset includes fixed handle 1 and relative to the rotatable flexible handle 2 of fixed handle;Binding clip component, it is described
Binding clip component includes fixed pliers head 3 and relative to the rotatable movable binding clip 4 of the described fixed pliers head;Link assembly, it is described
Link assembly includes fixed link 5 and interlocking lever 6, and fixed link 5 is hollow round bar, described 6 sets of interlocking lever in fixed link 5, and
Interlocking lever 6 can rotate in fixed link 5.
Wherein, the flexible handle is connected by gear-driven assembly with the first end of drive rod 6, the gearing
The second end of bar is connected with the movable binding clip 4, so that when the rotation flexible handle, the gear drive group
Part drives the drive rod rotation, thus axial-rotation of the movable binding clip along the connecting rod, to be stung
Cut movement.
Therefore, in surgical clamp of the invention, axial-rotation of the movable binding clip along the connecting rod, the center of occlusion portion
Plane where axis and the axis of connecting rod, Handleset is vertical, allow occlusion portion in binding clip component directly laterally
Occlusion.
As shown in Fig. 7~8, the fixed pliers head 3 is the hollow binding clip of ellipse with accommodating chamber 14, supreme following table
Face, movable binding clip 4 are the oval binding clip with upper surface 13, no lower surface.The two matches to form occlusion portion, the occlusion portion
It is formed by the upper surface 13 of movable binding clip 4 and the accommodating chamber 14 of fixed pliers head, occlusion portion, which can be used for stinging, cuts tissue, wherein stinging
Conjunction portion extends along the axis direction perpendicular to the interlocking lever.That is, the rotation axis of the movable binding clip 3 in the present invention
Rotation with the axis coaxle of the connecting rod, also, connecting rod 6 is able to drive the rotation of movable binding clip 4, lateral to realize
Sting the function of cutting.
As shown in fig. 7, the two sides of accommodating chamber respectively correspond mounting hole 12 there are two settings, movable binding clip 4 in fixed pliers head 3
One end be provided with perforative axis hole 11, axis hole 11 is connected with two mounting holes 12, and the hole trace interpolation being connected sets gearing
The second end of bar 6, enable the movable binding clip be installed in the accommodating chamber and movable binding clip along connecting rod axis
To rotation.
As shown in Fig. 7~8, the interlocking lever is set in axis hole 11 and mounting hole 12, wherein the interlocking lever 6 is
Cylindrical bar, second end are provided with a mating surface 10, and mounting hole 12 is round hole, and interlocking lever 6 can be in mounting hole 12
Rotation, axis hole 11 have mounting surface corresponding with the mating surface 10, interlocking lever 6 relative to axis hole 11 without spin so that
Interlocking lever is able to drive movable binding clip rotation, i.e. the movable binding clip is rotated with the rotation of interlocking lever.Wherein, mating surface 10
With the axially extending plane that mounting surface is along the connecting rod.
As shown in Fig. 5~6, the gear-driven assembly includes gear 7 and two teeth matched with the gear
Item 8, the gear are the long axis that surface has teeth portion, and in the long axis, each tooth in teeth portion prolongs along the axial direction of connecting rod 6
It stretches, gear is connected to the first end of the connecting rod, the axis coaxle of the axis of gear and the connecting rod 6, and rack gear 8 is
Moveable block, the movable block have a upper and lower part, and top is arranged the teeth portion that matches with the gear, lower part and
The flexible handle is connected.
As shown in fig. 6, the top staggered relative setting of two rack gears 8, the gear 7 are located in the upper of two rack gears 8
It between portion, when rotational handle 2, such as rotates clockwise or rotates counterclockwise, by the lower part of rack gear, two rack gears are along opposite
Direction is mobile, and by the engagement of rack and pinion to rotate gear, the rotation of gear is able to drive drive rod rotation.
As shown in figure 5, by flange 9 and the recess matched with the flange, the lower part of rack gear and the activity
The end of handle is detachably connectable, and the flange 9 is set in the flexible handle, and the recess is set to institute
In the lower part for the rack gear stated.Wherein, the recess is recessed semicircle, and the flange is convex semicircle.
When to flexible handle applied force, flexible handle is rotated by radius of the pin of its end, is transferred to through flange recessed
Mouthful, band carry-over bar is mobile, and using the displacement of rack gear with the rotation of moving gear, the rotation of gear drives the rotation of interlocking lever, activity
Binding clip is rotated with the rotation of interlocking lever, to carry out the operation of shearing human synovial inner tissue.Based on device design of the invention,
It can be achieved that the lesion for the side for being located at operation path sting cut, correct, it is logical in operation path position inaccurate or operation
When road is difficult to the lesions position directly reached, guarantees that operation is smoothly implemented, operating difficulty is effectively reduced.
It is ingenious in design using the Minimally Invasive Surgery instrument in the present invention, it is simple for structure, using gear drive, it is applied to work
Making every effort to promote on fixed handle rotates flexible handle, flange and recess through matching, the teeth portion matched and gear, by adjustable clamp
Head is rotated along the axis of connecting rod, and to carry out stinging the purpose for cutting tissue, particularly, occlusion portion can be directly to operation channel side
The lesion in face sting cutting, and is suitable for mini-invasive incision surgical procedure, using easy, easy to operate, is suitable for large-scale promotion application.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (10)
1. a kind of Minimally Invasive Surgery instrument characterized by comprising
Handleset, the Handleset include fixed handle and relative to the rotatable movable hand of fixed handle
Handle;
Binding clip component, the binding clip component include fixed pliers head and relative to the rotatable adjustable clamp of fixed pliers head
Head;
Wherein, the flexible handle is connected by gear-driven assembly with the first end of drive rod, the interlocking lever
Second end is connected with the movable binding clip, so that when the rotation flexible handle, via the gear drive group
Part drives the drive rod rotation, thus axial-rotation of the movable binding clip along the connecting rod, to be stung
Cut movement.
2. Minimally Invasive Surgery instrument according to claim 1, which is characterized in that the gear-driven assembly include gear and
At least one rack gear matched with the gear, the gear are arranged to be connected with the first end of the connecting rod
And it is arranged to rack gear coaxial with the connecting rod, each described and is arranged to the teeth portion matched with the gear
First area and the second area being connected with the flexible handle, so that driving institute when the rotation flexible handle
The movement for the rack gear stated, by the engagement of rack and pinion, thus the rotation of rotation and drive rod with moving gear.
3. Minimally Invasive Surgery instrument according to claim 2, which is characterized in that the gear-driven assembly includes the first tooth
Item and the second rack gear, the first area of first rack gear and the second area of the second rack gear are oppositely arranged, so that described
Gear is located between the first area of first rack gear and the second area of second rack gear and when the gear
Rotation, first rack gear and second rack gear move in opposite direction respectively.
4. Minimally Invasive Surgery instrument according to claim 2, which is characterized in that the second area of the rack gear and described
Flexible handle is detachably connectable.
5. Minimally Invasive Surgery instrument according to claim 2 or 4, which is characterized in that the second area of the rack gear and institute
The flexible handle stated is detachably connectable by flange and the recess matched with the flange, and the flange is set to
The second area of the rack gear or one in flexible handle, the recess be set to the rack gear second area or
Another in flexible handle.
6. Minimally Invasive Surgery instrument according to claim 1 or 2, which is characterized in that the second end of the interlocking lever is arranged
There is at least one mating surface, axis hole is arranged in the movable binding clip, and the axis hole has corresponding with the mating surface
Mounting surface, the interlocking lever is set in the axis hole and the mating surface is matched with the mounting surface, so that
The movable binding clip is rotated with the rotation of interlocking lever.
7. Minimally Invasive Surgery instrument according to claim 6, which is characterized in that the fixed pliers head includes hollow body,
The hollow body has accommodating chamber and mounting hole, and the second end of the interlocking lever is arranged in the axis hole and installation
Hole, so that the movable binding clip is installed in the accommodating chamber.
8. Minimally Invasive Surgery instrument according to claim 7, which is characterized in that the movable binding clip has upper surface, with
Occlusion portion is formed with the accommodating chamber of the fixed pliers head, the occlusion portion is arranged to along the axis perpendicular to the interlocking lever
Line direction extends.
9. Minimally Invasive Surgery instrument according to claim 1 or 2, which is characterized in that the fixed pliers head and movable binding clip
It is oval binding clip.
10. according to right to go to 1 or 2 described in Minimally Invasive Surgery instrument, which is characterized in that the interlocking lever is socketed in fixed link
It is interior and rotatable in the fixed link.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910356192.2A CN109938802A (en) | 2019-04-29 | 2019-04-29 | Minimally Invasive Surgery instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910356192.2A CN109938802A (en) | 2019-04-29 | 2019-04-29 | Minimally Invasive Surgery instrument |
Publications (1)
Publication Number | Publication Date |
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CN109938802A true CN109938802A (en) | 2019-06-28 |
Family
ID=67016710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910356192.2A Withdrawn CN109938802A (en) | 2019-04-29 | 2019-04-29 | Minimally Invasive Surgery instrument |
Country Status (1)
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CN (1) | CN109938802A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114159128A (en) * | 2021-11-12 | 2022-03-11 | 浙江大学 | Compact robot-assisted minimally invasive surgery clamp |
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CN207802811U (en) * | 2017-12-31 | 2018-09-04 | 福建农林大学 | A kind of cherry picking device |
CN207836201U (en) * | 2017-11-27 | 2018-09-11 | 华北电力大学 | A kind of folding type fruit picker |
CN210095851U (en) * | 2019-04-29 | 2020-02-21 | 上海医疗器械(集团)有限公司手术器械厂 | Minimally invasive surgical instrument |
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2019
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CN104024118A (en) * | 2011-11-09 | 2014-09-03 | 嘉士伯酿酒有限公司 | Beverage bottle with a re-sealable closure having a cam axle |
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CN103908320A (en) * | 2014-04-25 | 2014-07-09 | 王舒怡 | Laparoscopic surgery grabbing forceps |
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CN114159128A (en) * | 2021-11-12 | 2022-03-11 | 浙江大学 | Compact robot-assisted minimally invasive surgery clamp |
CN114159128B (en) * | 2021-11-12 | 2023-07-07 | 浙江大学 | Compact robot-assisted minimally invasive surgery clamp |
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CB03 | Change of inventor or designer information |
Inventor after: Jiang Dawei Inventor after: Zha Minzhong Inventor before: Zha Minzhong Inventor before: Jiang Dawei |
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CB03 | Change of inventor or designer information | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190628 |
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WW01 | Invention patent application withdrawn after publication |