CN109938802A - Minimally Invasive Surgery instrument - Google Patents

Minimally Invasive Surgery instrument Download PDF

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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
Authority
CN
China
Prior art keywords
gear
binding clip
minimally invasive
invasive surgery
rack gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910356192.2A
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Chinese (zh)
Inventor
查民中
蒋大为
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Medical Instruments (Group) Co Ltd Surgical Instruments Plant
Original Assignee
Shanghai Medical Instruments (Group) Co Ltd Surgical Instruments Plant
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Medical Instruments (Group) Co Ltd Surgical Instruments Plant filed Critical Shanghai Medical Instruments (Group) Co Ltd Surgical Instruments Plant
Priority to CN201910356192.2A priority Critical patent/CN109938802A/en
Publication of CN109938802A publication Critical patent/CN109938802A/en
Withdrawn legal-status Critical Current

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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

Minimally Invasive Surgery instrument
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.
CN201910356192.2A 2019-04-29 2019-04-29 Minimally Invasive Surgery instrument Withdrawn CN109938802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN109938802A true CN109938802A (en) 2019-06-28

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CN201910356192.2A Withdrawn CN109938802A (en) 2019-04-29 2019-04-29 Minimally Invasive Surgery instrument

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Country Link
CN (1) CN109938802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203107237U (en) * 2013-02-28 2013-08-07 马翠霞 Allis clamp
CN103565494A (en) * 2013-11-19 2014-02-12 中国人民解放军第三军医大学第二附属医院 Bone rongeur for operation
CN103908320A (en) * 2014-04-25 2014-07-09 王舒怡 Laparoscopic surgery grabbing forceps
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
CN204121113U (en) * 2014-10-22 2015-01-28 高晓丽 A kind of vocal cord polyps forceps
CN205215161U (en) * 2015-12-04 2016-05-11 徐州工业职业技术学院 Cup utensil cleaner
CN206508058U (en) * 2016-08-03 2017-09-22 湖北医药学院附属人民医院 A kind of bite-block
CN107536630A (en) * 2017-08-30 2018-01-05 梁永康 A kind of appliance for holding needle at right angle
CN108113731A (en) * 2017-12-29 2018-06-05 丁春林 A kind of orthopaedics nail combined countersink drill
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

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN203107237U (en) * 2013-02-28 2013-08-07 马翠霞 Allis clamp
CN103565494A (en) * 2013-11-19 2014-02-12 中国人民解放军第三军医大学第二附属医院 Bone rongeur for operation
CN103908320A (en) * 2014-04-25 2014-07-09 王舒怡 Laparoscopic surgery grabbing forceps
CN204121113U (en) * 2014-10-22 2015-01-28 高晓丽 A kind of vocal cord polyps forceps
CN205215161U (en) * 2015-12-04 2016-05-11 徐州工业职业技术学院 Cup utensil cleaner
CN206508058U (en) * 2016-08-03 2017-09-22 湖北医药学院附属人民医院 A kind of bite-block
CN107536630A (en) * 2017-08-30 2018-01-05 梁永康 A kind of appliance for holding needle at right angle
CN207836201U (en) * 2017-11-27 2018-09-11 华北电力大学 A kind of folding type fruit picker
CN108113731A (en) * 2017-12-29 2018-06-05 丁春林 A kind of orthopaedics nail combined countersink drill
CN207802811U (en) * 2017-12-31 2018-09-04 福建农林大学 A kind of cherry picking device
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

Cited By (2)

* Cited by examiner, † Cited by third party
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
CN114159128B (en) * 2021-11-12 2023-07-07 浙江大学 Compact robot-assisted minimally invasive surgery clamp

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Inventor after: Jiang Dawei

Inventor after: Zha Minzhong

Inventor before: Zha Minzhong

Inventor before: Jiang Dawei

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Application publication date: 20190628

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