CN109381232A - A kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy - Google Patents
A kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy Download PDFInfo
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- CN109381232A CN109381232A CN201710650190.5A CN201710650190A CN109381232A CN 109381232 A CN109381232 A CN 109381232A CN 201710650190 A CN201710650190 A CN 201710650190A CN 109381232 A CN109381232 A CN 109381232A
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- slip ring
- main body
- binding clip
- minimally invasive
- invasive surgery
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- 238000001839 endoscopy Methods 0.000 title claims abstract description 27
- 230000001079 digestive effect Effects 0.000 title claims abstract description 24
- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000009958 sewing Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 4
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 210000003811 finger Anatomy 0.000 description 6
- 210000002784 stomach Anatomy 0.000 description 6
- 210000003813 thumb Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002271 resection Methods 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000002674 endoscopic surgery Methods 0.000 description 3
- 210000001035 gastrointestinal tract Anatomy 0.000 description 3
- 230000002439 hemostatic effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 208000037062 Polyps Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000001198 duodenum Anatomy 0.000 description 2
- 238000012277 endoscopic treatment Methods 0.000 description 2
- 230000007159 enucleation Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 206010058109 Hangnail Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 206010051077 Post procedural haemorrhage Diseases 0.000 description 1
- 208000037486 Postoperative Hemorrhage Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 238000002052 colonoscopy Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000030399 gastrointestinal polyp Diseases 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229920001778 nylon Polymers 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/062—Needle manipulators
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
-
- 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
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00269—Type of minimally invasive operation endoscopic mucosal resection EMR
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy, including binding clip, vice body and control handle, the rear end of binding clip is connected with one end of vice body, and the other end of vice body is connected with the front end of control handle, and control handle controls binding clip clamping, release sewing needle, suture by vice body；The binding clip includes a pair of of tong arm, transmission mechanism, binding clip main body and fixed rotating mechanism；The vice body includes inner core, the bourdon tube being sheathed on inner core and the insulating layer being sheathed on bourdon tube；The control handle includes handle main body, slip ring assembly and locking assembly.The present invention is exclusively used in using under Minimally Invasive Surgery under digestive endoscopy, and the front end of needle forceps can rotate freely, be opened and closed freely, can clamp and lock sewing needle.
Description
Technical field
The present invention relates to medical surgical instrument, held more specifically to a kind of for Minimally Invasive Surgery under digestive endoscopy
Needle pliering.
Background technique
Malignant tumor of digestive tract is gastral common disease, frequently-occurring disease, has seriously threatened the life and health of the mankind, and with
Society gradually step into ageing stage, malignant tumor of digestive tract discovery rate also increases therewith, swollen for some alimentary canals early stage
Tumor can be treated by endoscopic minimally-invasive and carry out tumor resection, it will be able to reach radical result.
With the continuous development of Clinics under digestive endoscopy and scope, endoscopy increasingly becomes disease of digestive tract
Routine inspection means, so that the discovery of alimentary canal infantile tumour is also more and more, Endoscopic Treatment also increases therewith, causes and controls
It treats relevant complication accordingly also to increase, endanger among these maximum no more than Alimentary Tract Perforation.In Alimentary Tract Perforation can be divided into
Mirror diagnosis and treatment perforation complication and active digestive system tube wall stoma, as perforated when endoscopy, gastrointestinal polyps excision,
The perforation of the generations such as EMR, ESD and stomach wall full-thickness resection (EFTR) and through natural cavity endoscopic surgery (NOTES) notch
It is surgical operation repairing Deng, the primary treatment regimen of former Alimentary Tract Perforation, with the progress of endoscopic instruments and technology, a part
Alimentary Tract Perforation can be sutured under scope.
Currently used Alimentary Tract Perforation closure techniques mainly have conventional hemostatic clamp closure, big hemostatic clamp closure, nylon ring
Device hemostatic clamp purse string suture method, OTSC (over-the-scope-clipsystem), metal closure by clip are covered, in addition, eating
The perforation at the relatively narrow position such as pipe, duodenum also can be used provisional precoated metal stent in the treatment, but above-mentioned treatment there is
The disadvantages of technical difficulty is high, cumbersome, the time is long, reliability is not high, some also only exist in animal experiment stage.
In all Alimentary Tract Perforation suturing skills, surgical stapling technology is most basic, most reliable and other
After the completion of technology is difficult to, the suture means of final choice.Surgical stapling technology can accomplish alimentary canal tube wall holostrome apposition suture,
An important factor for this is organization healing and prevents gastrovascular cavity postoperative leakage, above-mentioned suturing skill is difficult to reach.In by digestion
When mirror carries out suture operation, since the pincers road space of digestive endoscopy is very limited, the diameter that gastroscope clamps road is about 2.8mm, colonoscopy
The diameter for clamping road is about 3.2mm, and clamps length in itself in 1.2~1.4mm or so, can in space long and narrow in this way
The surgical instrument of placement is very limited, and conventional suture operation instrument has been unable to meet these requirements at present, need to produce one kind
Dedicated for the instrument of Minimally Invasive Surgery under digestive endoscopy.
Summary of the invention
In view of the above defects of the prior art, the object of the present invention is to provide one kind for minimally invasive under digestive endoscopy
The needle forceps of operation is exclusively used in the lower use of digestive endoscopy operation, and the front end of needle forceps can rotate freely, be opened and closed freely, can
It clamps and locks sewing needle.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy, including binding clip, vice body and control handle, the rear end of binding clip
It is connected with one end of vice body, the other end of vice body is connected with the front end of control handle, and control handle controls pliers head clip by vice body
It holds, discharge sewing needle, suture；
The binding clip includes that a pair of of tong arm, transmission mechanism, binding clip main body and fixed rotating mechanism, a pair of of tong arm pass through transmission
Mechanism is fixedly connected on the front end of binding clip main body, and transmission mechanism is connected with vice body again, the rear end of binding clip main body and fixed whirler
Structure is connected, and the front end of the pair of tong arm and lateral surface are respectively provided with arc-shaped in passivity, and surface is shiny surface, the inside of tong arm
Face is clamping face, and the surface setting of clamping face is in Box junction dentation, and clamping face is to clamp, discharge sewing needle, tong arm folder
The rear for holding face is additionally provided with card slot；
The vice body includes inner core, the bourdon tube being sheathed on inner core and the insulating layer being sheathed on bourdon tube, inner core
One end be fed through fixed rotating mechanism after, be connected with the transmission mechanism, one end of bourdon tube and the fixed rotating mechanism
It is connected；
The control handle includes handle main body, slip ring assembly and locking assembly, axially offers movement in handle main body
The front end of sliding slot, handle main body is equipped with through-hole, and through-hole is connected with mobile chute, and slip ring assembly is set in mobile chute, and is led to
Crossing locking assembly makes slip ring assembly locking positioning in mobile chute, and the other end of the inner core is fed through handle main body front end
After through-hole, it is connected with the slip ring assembly in mobile chute, the other end of the bourdon tube is connected with handle main body front end, when described
When slip ring assembly is mobile to handle main body rear end in mobile chute, the inner core is driven to tense transmission mechanism, so that driver
Structure drives a pair of of tong arm to clamp sewing needle, when the slip ring assembly is mobile to handle main body front end in mobile chute, band
It moves the inner core and pushes transmission mechanism, so that transmission mechanism drives a pair of of tong arm to discharge sewing needle.
The front end of the binding clip main body offers mounting groove, and the rear end of binding clip main body is equipped with through-hole, through-hole and mounting groove
It is connected.
The transmission mechanism is set in mounting groove, and transmission mechanism includes transmission arm and connecting rod, and transmission arm is scissor-type
Structure, transmission arm front end is connected with a pair of of tong arm, and the front end of binding clip main body is movably connected on by key axis, one end of connecting rod
It is connected with transmission arm rear end, the other end of connecting rod is connected with one end of inner core.
The fixation rotating mechanism includes bearing inner sleeve, and the bearing outside, the gasket, that are sheathed on bearing inner sleeve
One fixed ring and the second fixed ring, there are also connecting sleeve, one end of bearing inner sleeve is connected with binding clip body rear, the first fixed ring
It is connected on one end of bearing inner sleeve, and with binding clip body rear, the second fixed ring is set on the other end of bearing inner sleeve, pad
Piece be set to the first fixed ring side, bearing outside be set between gasket and the second fixed ring, connecting sleeve be sheathed on bearing outside,
On the outside of gasket and the second fixed ring, one end of connecting sleeve is connected with one end of bourdon tube, the other end and bearing of connecting sleeve
Housing is connected.
The slip ring assembly includes slip ring ontology and spring fixing pipe, and slip ring ontology is set in mobile chute, slip ring sheet
The front end face of body is equipped with clamp and fixation hole, and spring fixing pipe is inserted in slip ring ontology, and the other end of inner core, which is worn, to be received and distributed
After the through-hole of handle body front end, then it is fed through spring fixing pipe and is connected with slip ring ontology.
The locking assembly includes sawtooth and torsional spring, and torsion spring set is set in spring fixing pipe, and one end of torsional spring is inserted in
In fixation hole, sawtooth is set in mobile chute, and when the other end of torsional spring is stuck on clamp, slip ring assembly is in the unlocked state,
When the other end of torsional spring is stuck on sawtooth, slip ring assembly is in locking state.
The slip ring ontology includes a pair of of slip ring block, and a pair of of slip ring block is respectively arranged on the two sides of mobile chute, makes slip ring
Ontology moves in handle main body along mobile chute, wherein offering inner core fixation hole on a slip ring block.
The binding clip, bourdon tube are that stainless steel material is made.
The inner core is made of NiTi super elastic marmen material.
The insulating layer is made of rubber material.
In the above technical solution, a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy provided by the present invention,
Also have the following the utility model has the advantages that
1. the present invention uses under digestive endoscopy, binding clip can be rotated freely, and opening and closing freely, and manipulates conveniently；
2. the present invention can clamp and lock sewing needle, suture can be also clamped, and knot to suture, carried out
Whole process suture alimentary canal tube wall defect；
3. the present invention is for perforation all kinds of in alimentary canal (endoscopy perforation, treatment complicated perforation, stomach wall full-thickness resection
(EFTR) and through natural cavity endoscopic surgery (NOTES) notch) in alimentary canal mucous membrane decollement (ESD), mucous membrane seam can be carried out
It closes, whole suture can also be carried out；
4. the present invention (in polyp enucleation, EMR, ESD art or postoperative hemorrhage, uses electricity for alimentary canal intractable bleeding
Solidifying, metal clip is difficult to successfully stop blooding), it is able to carry out " eight words " suture and stops blooding；
5. the present invention can also be used when foreign body forceps.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of binding clip of the present invention；
Fig. 3 is the structural schematic diagram of vice body of the present invention；
Fig. 4 is the structural schematic diagram of control handle of the present invention；
Fig. 5 is the schematic diagram in the direction a in Fig. 2；
Fig. 6 is the enlarged diagram of the position b in Fig. 4；
Fig. 7 is the schematic diagram of binding clip occlusive state of the present invention；
Fig. 8 is the schematic diagram of binding clip clamping face of the present invention；
Fig. 9 is the front view of slip ring assembly of the present invention.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 to Fig. 9, a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy provided by the present invention,
Including binding clip 1, vice body 2 and control handle 3, the rear end of binding clip 1 is connected with one end of vice body 2, the other end and manipulation hand of vice body 2
The front end of handle 3 is connected, and control handle 3 controls the clamping of binding clip 1 by vice body 2, discharges sewing needle, suture, in the present embodiment, manipulation
3 overall length 165mm of handle, 2 overall length 1600mm of vice body, 1 overall length of binding clip is about 13mm, and setting in this way is inserted convenient for needle forceps of the invention
Enter endoscopic forceps channel to be operated.
Preferably, the binding clip 1 includes a pair of of tong arm 101, transmission mechanism, binding clip main body 102 and fixed rotating mechanism, pass
Motivation structure includes transmission arm 103 and connecting rod 104, and transmission arm 103 is scissor structure, and fixed rotating mechanism includes bearing inner sleeve
105, and the bearing outside 106, gasket 107, the first fixed ring 108 and the second fixed ring that are sheathed on bearing inner sleeve 105
109, there are also connecting sleeve 112, the front end of binding clip main body 102 offers mounting groove 110, and the rear end of binding clip main body 102 is equipped with logical
Hole, through-hole are connected with mounting groove 110, and a pair of of tong arm 101 is fixed on the mounting groove of 102 front end of binding clip main body by key pivot hinge
In 110, the tail portion of tong arm 101 is fixed on the front end of transmission arm 103 also by key pivot hinge, and the rear end of transmission arm 103 passes through again
Key axis is connected with one end of connecting rod 104, and after being fixedly connected by above-mentioned key axis, tong arm 101, transmission arm 103 can be around
Make part rotary moveable centered on key axis, tong arm 101 is enabled to be engaged, open, one end of bearing inner sleeve 105 and binding clip main body
After 102 rear ends are fixedly linked, then cover on bearing inner sleeve 105 upper bearing outside 106, gasket 107, the first fixed ring 108 and the
Two fixed rings 109, the first 108 sets of fixed ring are connected on one end of bearing inner sleeve 105, and with 102 rear end of binding clip main body, and second
109 sets of fixed ring on the other end of bearing inner sleeve 105,107 sets of gasket is in 108 side of the first fixed ring, 106 sets of bearing outside
Between gasket 107 and the second fixed ring 109, make bearing outside 106 can flexible rotating, will not slip, then by connecting sleeve
112 are set in the outside of bearing outside 106, gasket 107 and the second fixed ring 109, then by one end of connecting sleeve 112 and spring
One end of pipe 202 is connected, and the other end of connecting sleeve 112 is fixed with 106 phase of bearing outside, at this point, pinching fixation with finger
Connecting sleeve 112, rotary inner core 201, then binding clip 1 can be rotated freely by bearing outside 106.In addition, fixed rotating mechanism
For stainless steel material, keep its homogeneous, and inside and outside tube wall is smooth, it is as follows that parameter (outer diameter * internal diameter * thickness * length) is mainly set:
Bearing inner sleeve 105:1.7*1.3*0.2*8mm,
Bearing outside 106:2.1*1.8*0.15*3.5mm,
Gasket 107:2.1*1.8*0.15*1mm,
First fixed ring 108, the second fixed ring 109:2.1*1.8*0.15*1mm,
Connecting sleeve 112:2.4*2.2*0.1*12mm.
Preferably, the pair of tong arm 101 is stainless steel material, front end and lateral surface be respectively provided with it is arc-shaped in passivity,
And surface is shiny surface, in this way when passing in and out endoscopic forceps channel, easy damaged does not clamp road inner wall, in addition, being also not easy injury tissue, clamps
The medial surface of arm 101 is clamping face, and the surface setting of clamping face is in Box junction dentation, and clamping face is to clamp, discharge seam
Needle is closed, it is highly 1.2mm that the length of tissue, suture etc., tong arm 101, which is 3.2~6mm, width 2.2mm, the length of tong arm 101
Degree can be adjusted according to different requirements, correspondingly, the length of transmission arm 103 is 2.3mm, width 1.2 is highly
0.3mm。
Because vice body 2 is elongated shape, when manipulation clamps sewing needle using tong arm 101, grasping force is limited, so that sewing needle
Stability is poor, easily slides back and forth, rolls, it is difficult to operate.Therefore, the rear of 101 clamping face of tong arm is additionally provided with card slot 111,
After tong arm 101 is engaged, 111 internal diameter of card slot is about 0.5~0.6mm, and 111 inner wall of card slot is arranged to coarse irregular face, will stitch
It closes needle to be clipped in card slot 111, when tong arm 101, which is engaged, to be tightened, sewing needle card pressure, sewing needle can be difficult to happen rotation or cunning
Dynamic, sewing needle stability substantially improves, hence it is evident that enhancing operability.
Preferably, the vice body 2 includes that the bourdon tube 202 that inner core 201, jacket are located at outside inner core 201 and jacket are set
Insulating layer 203 on bourdon tube 202, so that vice body 2 is mainly made of interior, domestic and abroad three-decker, one end of inner core 201 is worn
After crossing the through-hole of 102 rear end of binding clip main body, it is connected with the other end of connecting rod 104, one end of bourdon tube 202 and connecting sleeve
112 one end is fixedly linked, and inner core 201 is NiTi super elastic marmen, diameter 0.8mm, length about 1680mm, bourdon tube
202 be stainless steel material, and parameter (outer diameter * internal diameter * length) mainly is arranged: 2*1*1630mm, and insulating layer 203 is rubber material,
Main setting parameter (outer diameter * internal diameter * length): 2.5*2*1630mm.
Preferably, the control handle 3 includes handle main body 301, slip ring assembly 302 and locking assembly 303, in handle master
A mobile chute 304 is axially opened up on body 301, the front end of handle main body 301 opens up the through-hole of an axial direction, the through-hole and shifting
Dynamic sliding slot 304 is connected, and slip ring assembly 302 is mounted in mobile chute 304, when slip ring assembly 302 is adjusted in mobile chute 304
It is whole to appropriate location when, by locking assembly 303 by slip ring assembly 302 locking positioning in mobile chute 304.By inner core 201
The other end pass through 301 front end of handle main body through-hole after, be connected with the slip ring assembly 302 in mobile chute 304, bourdon tube
It is also cased with miniature bearing 204 and fixed sleeving 205 on 202 other end, bourdon tube 202 is inserted in and is fixed on miniature bearing
204 inner ring, and fixed sleeving 205 is fixed on bourdon tube 202, then by the other end of bourdon tube 202 together with fixed sleeving 205
It is inserted into the through-hole of 301 front end of handle main body together, then by the end of the outer ring of miniature bearing 204 and 301 front end of handle main body
Portion is fixed, in this way, rotation control handle 3, bourdon tube 202 not can rotate then, and inner core 201 can be same together with control handle 3
To rotation, to drive control binding clip 1 rotating Vortex together.
Preferably, the slip ring assembly 302 includes slip ring ontology 305 and spring fixing pipe 306, slip ring ontology 305 is pacified
In mobile chute 304, the front end face of slip ring ontology 305 is equipped with clamp 307 and several fixation holes 308, and spring is fixed
The insertion of pipe 306 is mounted in the center location of slip ring ontology 305, and the other end of inner core 201 passes through the logical of 301 front end of handle main body
Kong Hou, then penetrate spring fixing pipe 306 and be connected with the inside of slip ring ontology 305.
Preferably, the slip ring ontology 305 includes a pair of of slip ring block 311, a pair of of slip ring block 311 is respectively from mobile chute
304 two sides are assembled, and slip ring ontology 305 is enable to be moved along mobile chute 304, wherein a slip ring block 311
Inside offer inner core fixation hole.
Preferably, the locking assembly 303 includes sawtooth 309 and torsional spring 310, sawtooth 309 is fixed on shifting with AB glue
In the sawtooth fixing groove opened up in dynamic sliding slot 304, torsional spring 310 is mounted on bullet towards the tail end of control handle 3 by 309 direction of sawtooth
In spring fixing pipe 306, and partial points weldering is carried out, convenient for fixed torsional spring 310, prevents from slipping, one end of torsional spring 310 is inserted one
In a fixation hole 308, mutual cooperation between the other end and clamp 307, sawtooth 309 of torsional spring 310 realizes that release, locking are slided
Ring assemblies 302.
201 other end of inner core is penetrated in the official jargon of spring fixing pipe 306, after adjusting appropriate length, its end is converted into
90 ° of angles are inserted into inner core fixation hole, and add suitable AB glue and fixed.
After assembling, sewing needle is clamped with the card slot 111 of binding clip 1, by slip ring assembly 302 to the tail of control handle 3
End is mobile to be tensed, and binding clip 1 clamps sewing needle, and the other end of torsional spring 310 is discharged from clamp 307, using the elasticity of its own, is made
The other end of torsional spring 310 is to be embedded in the pawl of sawtooth 309, locks slip ring assembly 302, prevents it sliding in mobile chute 304
It is dynamic, and then active force conducts binding clip 1 by inner core 201, locks sewing needle, convenient for suture operation, can prevent when suturing operation,
Patient's hand slightly loosens, and sewing needle will be displaced, and then the direction for needing that the time is spent to readjust sewing needle, influences
Subsequent operation.The end setting of 310 other end of torsional spring is in the spherical shape of shiny surface, is convenient for thumb manipulation.
3 overall length of control handle is set as 165mm, and the tail portion of handle main body 301 is also connected with a vesica piscis 312, oval
312 internal diameter of shape ring is 23*25mm, and outer diameter 32.5*30mm, vesica piscis is to be flexibly connected with 301 tail portion of handle main body, can be made
It rotates freely.The main material of control handle 3 is plastics, slip ring assembly 302 is moved back and forth in handle main body 301, driving force
1 position of binding clip can be transmitted to by inner core 201, control tong arm 101 opens or occlusion, fixed vesica piscis 312, rotating handle master
Body 301, the rotating Vortex therewith of inner core 201, because there is bearing at 202 both ends of bourdon tube, bourdon tube 202 is not rotated with it then, and clamps
First 1 also follows inner core 201 to make rotating Vortex movement.
Road is clamped by stomach mirror and is inserted into needle forceps of the invention, and patient's left hand holds stomach mirror operation handle, and the right hand can be singlehanded
Operation control needle forceps: right hand index finger, thumb pinch slip ring assembly, and control handle is held in the hand, eats by middle finger, the third finger
Finger, thumb can slide back and forth slip ring assembly, and control binding clip opens and occlusion, and then it is made to unclamp and clamp sewing needle.
Sewing needle clamping: assistant is inserted into vessel forceps by another pincers road, and sewing needle is passed to needle forceps, clamps sewing needle by auxiliary
Tail end.Lock sewing needle: needle forceps clamps sewing needle, and after adjusting proper angle, at this time can tense backward slip ring assembly,
Right hand thumb is gently transferred to the torsional spring other end by clamp, using the elasticity of torsional spring, makes its this one end insertion sawtooth pawl lock
It is fixed, it can prevent slip ring assembly from moving forward, lock sewing needle whereby.Suture: after locking sewing needle, right hand thumb and index finger are twisted
Dynamic slip ring assembly, controllable binding clip rotate clockwise or counterclockwise, and assistant assists clamping tissue, patient's tune by vessel forceps again
Whole good inserting needle direction, generally work suture more convenient clockwise, turn slip ring assembly by right hand thumb and index finger, can
Control binding clip rotates clockwise sewing needle, and sewing needle syringe needle passes through tissue, and exposes syringe needle, and assistant is clamped with vessel forceps
Syringe needle, also, produce clockwise, suture then is clamped with needle forceps, is gradually tightened, suture has hangnail, tightening
Afterwards, it will not bounce back, suture tail end reserves knot before suture, prevents from slipping, is carried out continuously suture, until the surface of a wound completely stitches
It closes, cuts off extra suture with scissors, take out sewing needle, complete operation.
Indication of the invention can be used for the suture of following perforation:
1. alimentary canal (oesophagus, Stomach duodenum, Colon and rectum) checks perforation；
2. perforating after Endoscopic Treatment: polyp enucleation, mucosectomy (EMR), mucous membrane decollement (ESD)；
3. stomach wall full-thickness resection (EFTR) and through natural cavity endoscopic surgery (NOTES) notch.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (10)
1. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy, which is characterized in that including binding clip, vice body and control handle,
The rear end of binding clip is connected with one end of vice body, and the other end of vice body is connected with the front end of control handle, and control handle passes through vice body
Control binding clip clamping, release sewing needle, suture；
The binding clip includes that a pair of of tong arm, transmission mechanism, binding clip main body and fixed rotating mechanism, a pair of of tong arm pass through transmission mechanism
It is fixedly connected on the front end of binding clip main body, transmission mechanism is connected with vice body again, the rear end of binding clip main body and fixed rotating mechanism phase
Even, the front end of the pair of tong arm and lateral surface are respectively provided with arc-shaped in passivity, and surface is shiny surface, and the medial surface of tong arm is equal
Surface setting for clamping face, clamping face is in Box junction dentation, and clamping face is to clamp, discharge sewing needle, tong arm clamping face
Rear be additionally provided with card slot；
The vice body includes inner core, the bourdon tube being sheathed on inner core and the insulating layer being sheathed on bourdon tube, and the one of inner core
After end is fed through fixed rotating mechanism, it is connected with the transmission mechanism, one end of bourdon tube is connected with the fixed rotating mechanism；
The control handle includes handle main body, slip ring assembly and locking assembly, axially offers mobile chute in handle main body,
The front end of handle main body is equipped with through-hole, and through-hole is connected with mobile chute, and slip ring assembly is set in mobile chute, and passes through locking
Component makes slip ring assembly locking positioning in mobile chute, and the other end of the inner core is fed through the through-hole of handle main body front end
Afterwards, it is connected with the slip ring assembly in mobile chute, the other end of the bourdon tube is connected with handle main body front end, when the slip ring
When component is mobile to handle main body rear end in mobile chute, the inner core is driven to tense transmission mechanism, so that transmission mechanism band
Dynamic a pair of tong arm clamps sewing needle, when the slip ring assembly is mobile to handle main body front end in mobile chute, drives institute
It states inner core and pushes transmission mechanism, so that transmission mechanism drives a pair of of tong arm to discharge sewing needle.
2. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as described in claim 1, which is characterized in that the pincers
The front end of head main body offers mounting groove, and the rear end of binding clip main body is equipped with through-hole, and through-hole is connected with mounting groove.
3. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as claimed in claim 2, which is characterized in that the biography
Motivation structure is set in mounting groove, and transmission mechanism includes transmission arm and connecting rod, and transmission arm is scissor structure, transmission arm front end with
A pair of of tong arm is connected, and the front end of binding clip main body is movably connected on by key axis, and one end of connecting rod is connected with transmission arm rear end,
The other end of connecting rod is connected with one end of inner core.
4. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as described in claim 1, which is characterized in that described consolidates
Determining rotating mechanism includes bearing inner sleeve, and the bearing outside, the gasket, the first fixed ring and second solid that are sheathed on bearing inner sleeve
Determine ring, there are also connecting sleeve, one end of bearing inner sleeve is connected with binding clip body rear, and the first fixed ring is set to the one of bearing inner sleeve
On end, and it is connected with binding clip body rear, the second fixed ring is set on the other end of bearing inner sleeve, and gasket is set to the first fixed ring
Side, bearing outside are set between gasket and the second fixed ring, and connecting sleeve is sheathed on bearing outside, gasket and the second fixed ring
Outside, one end of connecting sleeve are connected with one end of bourdon tube, and the other end of connecting sleeve is connected with bearing outside.
5. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as described in claim 1, which is characterized in that the cunning
Ring assemblies include slip ring ontology and spring fixing pipe, and slip ring ontology is set in mobile chute, and the front end face of slip ring ontology is equipped with
Clamp and fixation hole, spring fixing pipe are inserted in slip ring ontology, and the other end of inner core is fed through the through-hole of handle main body front end
Afterwards, it then is fed through spring fixing pipe and is connected with slip ring ontology.
6. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as claimed in claim 5, which is characterized in that the lock
Tight component includes sawtooth and torsional spring, and torsion spring set is set in spring fixing pipe, and one end of torsional spring is inserted in fixation hole, and sawtooth is set to
In mobile chute, when the other end of torsional spring is stuck on clamp, slip ring assembly is in the unlocked state, when the other end of torsional spring is stuck in
When on sawtooth, slip ring assembly is in locking state.
7. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as claimed in claim 5, which is characterized in that the cunning
Ring body includes a pair of of slip ring block, and a pair of of slip ring block is respectively arranged on the two sides of mobile chute, slip ring ontology is made to exist along mobile chute
It is moved in handle main body, wherein offering inner core fixation hole on a slip ring block.
8. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as described in claim 1, which is characterized in that the pincers
Head, bourdon tube are that stainless steel material is made.
9. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as described in claim 1, which is characterized in that described is interior
Core is made of NiTi super elastic marmen material.
10. a kind of needle forceps for Minimally Invasive Surgery under digestive endoscopy as described in claim 1, which is characterized in that described
Insulating layer is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650190.5A CN109381232B (en) | 2017-08-02 | 2017-08-02 | Needle holding forceps for minimally invasive operation under digestive endoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650190.5A CN109381232B (en) | 2017-08-02 | 2017-08-02 | Needle holding forceps for minimally invasive operation under digestive endoscope |
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| CN109381232A true CN109381232A (en) | 2019-02-26 |
| CN109381232B CN109381232B (en) | 2024-02-13 |
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| CN201710650190.5A Active CN109381232B (en) | 2017-08-02 | 2017-08-02 | Needle holding forceps for minimally invasive operation under digestive endoscope |
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| Publication number | Publication date |
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| CN109381232B (en) | 2024-02-13 |
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