CN108992114A - The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA - Google Patents
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA Download PDFInfo
- Publication number
- CN108992114A CN108992114A CN201810977186.4A CN201810977186A CN108992114A CN 108992114 A CN108992114 A CN 108992114A CN 201810977186 A CN201810977186 A CN 201810977186A CN 108992114 A CN108992114 A CN 108992114A
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- CN
- China
- Prior art keywords
- resist
- nailed seat
- nail bin
- bracket
- replaceable
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- 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.)
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00818—Treatment of the gastro-intestinal system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07257—Stapler heads characterised by its anvil
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Abstract
The present invention relates to a kind of replaceable resist-nailed seat components of disposable arc line shaped Endo-GIA, belong to medical instrument, match with disposable arc line shaped Endo-GIA, especially suitable for anal intestine hemorrhoid cutting operation, rectal polyp resection.Including resist-nailed seat bracket, knife washer, resist-nailed seat, nail bin bracket, nail bin rack plate and component fixing sleeve；Resist-nailed seat bracket is in circular arc type, and centre is provided with U-lag, and U-lag two sides are provided with resist-nailed seat mounting groove, and resist-nailed seat bracket arc surface two sides are provided with positioning pin mounting groove, are provided with knife washer mounting groove on the inside of resist-nailed seat bracket arc surface；Resist-nailed seat is in circular arc type, and centre is provided with U-lag, and resist-nailed seat arc surface two sides are provided with positioning pin sliding eye, staple formation slot is provided on resist-nailed seat arc surface；Nail bin frame upper circular arc type is provided with the sliding groove of upper and lower nail bin connecting plate, and U-lag is opened in lower circular pipe side, and for installing nail bin rack plate, round tube rear end is provided with square boss.
Description
Technical field
The present invention relates to a kind of replaceable resist-nailed seat components of disposable arc line shaped Endo-GIA, belong to doctor
Instrument is treated, is matched with disposable arc line shaped Endo-GIA, especially suitable for anal intestine hemorrhoid cutting operation, rectal polyp
Resection.
Background technique
Anal and bowel pile is commonly called as hemorrhoid, is the distinctive common disease of the mankind, frequently-occurring disease.Show anus according to related reconnaissance information
The disease incidence of recial disease is 59.1%, and hemorrhoid account for 87.25% in all anorectal diseases, and wherein most commonly seen with internal piles, account for
The 52.19% of all anorectal diseases.Men and women can fall ill, and the disease incidence of women is 67%, and the disease incidence of male is 53.9%, any
Age can all fall ill, and gradually aggravate with the increase at age, therefore it is said that nine out ten suffer from hemorrhoids.
Endo-GIA is the equipment of the substitution traditional-handwork cutting suture medically used.Arc-shaped cutting anastomat conduct
A kind of disposable Endo-GIA has a variety of designs using advantage, such as its front end arc convenient for going deep into anal intestine
The small space in deep, cutting and suture synchronously complete, and simplify surgical operation step.Arc-shaped cutting anastomat when in use,
So that it is convenient to which the adjusting to tissue positions by the way of segmented closure, and position and lock is carried out with pilot pin, then again
It is cut and is sutured.Conventional arched Endo-GIA controls pilot pin using pushing before and after navigation button, is controlling in this way
On there are unstable factors, be easy to cause tissue to be subjected to displacement, need constantly to relocate, increase operation duration, sternly
The position inaccuracy for also resulting in cutting suture of weight, generates more serious consequence.In addition, traditional arc-shaped cutting anastomat without
Method replaces component, and same operation may use more instrument, causes to perform the operation at high cost, brings bigger economy to bear to patient
Load.
Summary of the invention
It can be more object of the present invention is to provide a kind of disposable arc line shaped Endo-GIA in view of the above shortcomings
Resist-nailed seat component is changed, is matched with disposable arc line shaped Endo-GIA；Disposable arc line shaped Endo-GIA
Suitable for anal intestine polyp cutting operation, rectal polyp cutting operation, the operation of anal intestine haemorrhoids local excision, replaceable resist-nailed seat, nail
Storehouse, knife assembly can 360 degree rotation, can arbitrarily adjust surgery location during surgery, reduce operating difficulty.Setting three in nail bin
Nail, step nail is high, after completion cutting coincide, it is easier to make organized renewing blood supply, accelerate the wound healing of postoperative patients.
Due to being provided with replaceable resist-nailed seat, nail bin, knife assembly, operation cost is reduced, the financial burden of patient is alleviated.
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA adopts the following technical solutions realization:
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA include resist-nailed seat bracket, knife washer, resist-nailed seat,
Nail bin bracket, nail bin rack plate and component fixing sleeve.
Resist-nailed seat bracket is in circular arc type, and centre is provided with U-lag, and U-lag two sides are provided with resist-nailed seat mounting groove, resist-nailed seat
Bracket arc surface two sides are provided with positioning pin mounting groove, are provided with knife washer mounting groove on the inside of resist-nailed seat bracket arc surface.
Resist-nailed seat is in circular arc type, and centre is provided with U-lag, and resist-nailed seat arc surface two sides are provided with positioning pin sliding eye, support
Three row's staple formation slots are provided on nail seat arc surface.
Nail bin frame upper is arc-shaped, and lower part is cylindrical, and top circular arc type is provided with the cunning of upper and lower nail bin connecting plate
Dynamic slot, U-lag is opened in lower circular pipe side, for installing nail bin rack plate.There are two square boss for the setting of round tube rear end.
Knife washer and resist-nailed seat are sequentially arranged in resist-nailed seat bracket, and resist-nailed seat bracket is connected by pin and nail bin bracket
It connects, nail bin bracket cover is mounted in the U-lag of nail bin bracket lower part side, outside suit component fixing sleeve.
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA and replaceable nail bin groupware replaceable push away
When piece knife assembly assembles, push jack cutter are mounted in the push jack mounting groove of staple cartridge tray, and push jack connecting plate passes through staple cartridge tray
Push jack connecting plate sliding groove, the pushing slice of nail of arc-shaped distribution is on nail bin in the anastomosis staple mounting groove of arc-shaped distribution on push jack
Sliding pushes anastomosis staple to coincide, and cutter slide in the cutter sliding groove on nail bin, cuts tissue.Nail bin and staple cartridge tray
It is slided in the resist-nailed seat mounting groove of the U-lag two sides of resist-nailed seat bracket after being fixedly connected, positioning pin is mounted on resist-nailed seat bracket
Positioning pin mounting groove in, across the positioning pin sliding eye of resist-nailed seat, slided in the positioning pin movable span on nail bin；Staple cartridge tray
Lower part is fitted in nail bin pedestal upper end circular arc row slot.Push jack connecting plate is in upper and lower nail bin connecting plate middle slip, three
The arc-shaped structure that strip partially passes through nail bin pedestal upper end slides in the tubular structure of its underpart, and nail bin connects panel seat peace
In the tubular structure of nail bin bracket, push jack connection panel seat connect panel seat spring with push jack and is mounted on push jack connecting plate sliding groove
It is interior.
Working principle
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA, with disposable arc line shaped Endo-GIA
It matches；Disposable arc line type Endo-GIA when in use, first by assembled replaceable resist-nailed seat component, can
Nail bin groupware and replaceable push jack knife assembly are replaced, assembled fixed handle, resist-nailed seat revolving joint, work are packed into
Fixed handle, left support, right support, nail bin transmission mechanism, push jack cutter transmission mechanism, resetting-mechanism, in indicating mechanism, then into
Row operation, selects the hemorrhoidal tissue that need to be cut off or rectal polyp, presses flexible handle, and the right sliding block protrusion of flexible handle is sliding at this time
Move right sliding block flexible handle sliding gear card slot in, while flexible handle extension bar push boss push extension bar, extension bar set,
Left support plate, right support plate, rotation fixed block, closure push rod, nail bin connection panel seat, upper nail bin connecting plate, lower nail bin connecting plate,
Staple cartridge tray, nail bin, further the distance between nail bin and resist-nailed seat, checks whether cutting position is suitable by indicating mechanism, if not
Properly, reset button is pressed, the button lower end that makes to give up the throne is applied to the giving up the throne on button boss of right sliding block, in the effect of sliding block spring
Under, so that the right sliding block protrusion on the right side of flexible handle is detached from the flexible handle sliding gear card slot of right sliding block, in nail pushing plate tension spring
Under effect, reset nail bin.If cutting position is suitable, continue to press flexible handle, until extension bar, extension bar set are straight in one
Line reaches self-locking state, and flexible handle resets under the action of flexible handle spring, has at this time been that cutting suture tissue is carried out
Prepare, if checking malposition by indicating mechanism, equally presses reset button, the extension bar button for button lower end of giving up the throne is convex
It rises, acts on extension bar, under the action of nail pushing plate tension spring, retract nail bin, play the role of reset.Pass through the finger of indicating mechanism
If showing, needle instruction cutting position is suitable, presses flexible handle again, the left slider protrusion on the left of flexible handle is made to slide into left cunning
It is that percussion push plate acts against trigger shaft back seat upwards under the action of firing spring in the flexible handle sliding gear card slot of block
Percussion push plate push groove on, while pressing flexible handle, percussion push plate front end trigger shaft back seat push boss push away
Dynamic trigger shaft back seat, trigger shaft, push jack connect panel seat, push jack connecting plate, push jack, cutter, complete cutting and coincide, press reset
The extension bar button projection of button, the button lower end that makes to give up the throne acts on extension bar, and panel seat spring is connected with push jack in nail pushing plate tension spring
Under the action of, reset push jack cutter, nail bin resets, and under the action of flexible handle spring, resets flexible handle, completes
Operation.If operation is not finished, patient needs to cut many places haemorrhoids or rectal polyp, then after taking out instrument, presses unload component down
Button deviates from the protrusion for unloading component button out of fixed link, rotates assembled replaceable resist-nailed seat component, replaceable nail bin
Component and replaceable push jack knife assembly, it is removed, and is packed into new assembled replaceable resist-nailed seat component, replaceable nail
Storehouse component and replaceable push jack knife assembly, continue to perform the operation.
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA cuts with disposable arc line shaped and kisses
Clutch matches；Rationally, structurally reasonable, easy to use, rotating handle can for disposable arc line type Endo-GIA design
To realize the 360 degree rotation of component, any adjustment of surgery location is realized, reduce operating difficulty；Three nails, platform are set in nail bin
Rank nail is high, the design of step surface nail bin, using the high suture of different nails, so that tissue is restored blood supply faster, accelerates postoperative patient
The healing of wound can be more due to being provided with replaceable resist-nailed seat component, replaceable nail bin groupware, replaceable knife assembly
The design for changing component reduces operation cost, mitigates patient economy burden.Three gear closed designs, can during surgery preferably
Adjustment cutting anastomotic site, reduce excision normal tissue risk, in addition can with disposable anorectal selection cutting peeker and
Headlamp uses, and preferably completes the local excision of rectal polyp.
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA cuts with disposable arc line shaped and kisses
Clutch matches；Disposable arc line shaped Endo-GIA is suitable for anal intestine polyp cutting operation, and rectal polyp cuts hand
Art, anal intestine haemorrhoids local excision operation, replaceable resist-nailed seat, nail bin, knife assembly can 360 degree rotation, can appoint during surgery
Meaning adjustment surgery location, reduces operating difficulty.Three nails are set in nail bin, and step nail is high, after completion cutting coincide, it is easier to make
Organized renewing blood supply accelerates the wound healing of postoperative patients.Due to being provided with replaceable resist-nailed seat component, replaceable nail
Storehouse component, replaceable knife assembly need conveniently replaced replaceable resist-nailed seat component, replaceable nail according to resection operation
Storehouse component, replaceable knife assembly, further progress cut anal intestine hemorrhoid cutting operation, rectal polyp resection, reduce hand
Art cost alleviates the financial burden of patient.
Detailed description of the invention:
Below in conjunction with attached drawing, the invention will be further described:
Fig. 1 is disposable arc line type Endo-GIA installation diagram；
Fig. 2 is the replaceable resist-nailed seat component structure diagram of disposable arc line type Endo-GIA；
Fig. 3 is the resist-nailed seat supporting structure schematic diagram of the replaceable resist-nailed seat component of disposable arc line type Endo-GIA；
Fig. 4 is the resist-nailed seat structural schematic diagram of the replaceable resist-nailed seat component of disposable arc line type Endo-GIA；
Fig. 5 is the replaceable nail bin groupware structural schematic diagram of disposable arc line type Endo-GIA；
Fig. 6 is the nail bin structural schematic diagram of disposable arc line type Endo-GIA；
Fig. 7 is the nail bin structural schematic diagram of disposable arc line type Endo-GIA；
Fig. 8 is the staple cartridge tray structural schematic diagram of disposable arc line type Endo-GIA；
Fig. 9 is the nail bin connecting plate holder structure schematic diagram of disposable arc line type Endo-GIA；
Figure 10 is the replaceable push jack knife assembly structural schematic diagram of disposable arc line type Endo-GIA；
Figure 11 is the cutter structural schematic diagram of disposable arc line type Endo-GIA；
Figure 12 is the fixed handle structural schematic diagram of disposable arc line type Endo-GIA；
Figure 13 is the resist-nailed seat revolving joint structural schematic diagram of disposable arc line type Endo-GIA；
Figure 14 is the flexible handle structural schematic diagram of disposable arc line type Endo-GIA；
Figure 15 is the flexible handle structural schematic diagram of disposable arc line type Endo-GIA；
Figure 16 is the left support structural schematic diagram of disposable arc line type Endo-GIA；
Figure 17 is the right support structural schematic diagram of disposable arc line type Endo-GIA；
Figure 18 is the nail bin schematic diagram of transmission mechanism of disposable arc line type Endo-GIA；
Figure 19 is the push jack cutter schematic diagram of transmission mechanism of disposable arc line type Endo-GIA；
Figure 20 is the resetting-mechanism structural schematic diagram of disposable arc line type Endo-GIA；
Figure 21 is indicating mechanism's structural schematic diagram of disposable arc line type Endo-GIA.
Specific embodiment:
Referring to attached drawing 1-21, disposable arc line shaped Endo-GIA includes replaceable resist-nailed seat component 1, replaceable nail bin group
Part 2, replaceable push jack knife assembly 3, fixed handle 4, resist-nailed seat revolving joint 5, flexible handle 6, left support 7, the right side
Bracket 8, nail bin transmission mechanism 9, push jack cutter transmission mechanism 10, resetting-mechanism 11, indicating mechanism 12.
The replaceable resist-nailed seat component 1 of disposable arc line shaped Endo-GIA includes resist-nailed seat bracket 1-1, knife washer
1-2, resist-nailed seat 1-3, nail bin bracket 1-4, nail bin rack plate 1-5 and component fixing sleeve 1-6.
Resist-nailed seat bracket 1-1 is in circular arc type, and centre is provided with U-lag 1-1-1, and U-lag two sides are provided with resist-nailed seat installation
Slot 1-1-2, resist-nailed seat bracket arc surface two sides are provided with positioning pin mounting groove 1-1-3, setting on the inside of resist-nailed seat bracket arc surface
There is knife washer mounting groove 1-1-4.
Resist-nailed seat is in circular arc type 1-3, and centre is provided with U-lag 1-3-1, and it is sliding that resist-nailed seat arc surface two sides are provided with positioning pin
Hole 1-3-2 is moved, is provided with three row's staple formation slot 1-3-3 on resist-nailed seat arc surface.
The top nail bin bracket 1-4 is arc-shaped, and lower part is cylindrical, and top circular arc type is provided with upper and lower nail bin connecting plate
U-lag 1-4-2 is opened in sliding groove 1-4-1, lower circular pipe side, for installing nail bin rack plate.There are two the settings of round tube rear end
Square boss 1-4-3.
Knife washer 1-2 and resist-nailed seat 1-3 is sequentially arranged in resist-nailed seat bracket 1-1, resist-nailed seat bracket 1-1 by pin with
The 1-4 connection of nail bin bracket, nail bin bracket cover 1-5 are mounted in the U-lag 1-4-2 of the nail bin lower part bracket 1-4 side, outside suit
Component fixing sleeve 1-6.
Replaceable nail bin groupware 2 includes positioning pin 2-1, nail bin 2-2, staple cartridge tray 2-3, staple cartridge tray fixed pin 2-4, lower nail bin
Connecting plate 2-5, nail bin connecting plate pin 2-6, nail bin connect panel seat 2-7, upper nail bin connecting plate 2-8, nail bin fixed plate 2-9.
Positioning pin 2-1 is cylindrical, and upper end is provided with cylindrical boss 2-1-1.
Nail bin 2-2 is arc-shaped, and arc-shaped two sides are provided with positioning pin movable span 2-2-1, and circular arc shaped inside, which is provided with, cuts
Cutter sliding groove 2-2-2, arc-shaped outside is provided with the anastomosis staple mounting groove 2-2-3 of the arc-shaped distribution of three rows, and these coincide
Following closely mounting hole is in ladder height, and nail bin arcwall face both ends are provided with U-lag 2-2-4.It is convex that nail bin lower end is provided with cylindrical installation
Play 2-2-5 and arc convex 2-2-6.
Staple cartridge tray 2-3 is arc-shaped, and centre is provided with push jack mounting groove 2-3-1, and upper end is provided with cylindrical mounting groove 2-
3-2 and arc mounting groove 2-3-3, lower part are provided with the sliding groove 2-3-4 of push jack connecting plate, and it is convex that staple cartridge tray lower end is provided with arc
2-3-5 is played, is provided with nail bin fixed pin holes 2-3-6 on arc convex, staple cartridge tray two sides are provided with nail bin fixed plate mounting groove 2-
3-7。
Nail bin fixed plate 2-9 is in a strip shape, and both ends are provided with raised 2-9-1.
Upper nail bin connecting plate 2-8 is arc-shaped, and arc-shaped upper both ends are provided with nail bin fixed pin holes 2-8-1, and lower part is in a strip shape,
Lower end thereof is provided with nail bin connecting plate pin mounting hole 2-8-2.
Lower nail bin connecting plate 2-5 is arc-shaped, and arc-shaped upper both ends are provided with nail bin fixed pin holes 2-5-1, and lower part is in a strip shape,
Lower end thereof is provided with nail bin connecting plate pin mounting hole 2-5-2.
The nail bin connection front end panel seat 2-7, which is provided with, is vertically connected with plate mounting groove 2-7-1, and front center is provided with push jack connection
Plate sliding groove 2-7-2, nail bin connection panel seat middle part are provided with push jack connection panel seat sliding groove 2-7-3, nail bin connecting plate base rear end
It is provided with closure push rod and is flexibly connected card slot 2-7-4.
Positioning pin 2-1 is slided in the positioning pin movable span 2-2-1 of nail bin, the cylindrical installation protrusion of the lower end nail bin 2-2
2-2-5 and arc convex 2-2-6 is fitted in the cylindrical mounting groove 2-3-2 and arc mounting groove 2-3-3 of staple cartridge tray, and two
Side is fixed with nail bin fixed plate 2-9, and the lower end staple cartridge tray 2-3 is fixedly mounted on upper nail bin connecting plate by staple cartridge tray fixed pin 2-4
On 2-8, lower nail bin connecting plate 2-5, upper nail bin connecting plate 2-8 and lower nail bin connecting plate 2-5 are installed by nail bin connecting plate pin 2-6
On nail bin connection panel seat 2-7.
Replaceable push jack knife assembly 3 includes cutter 3-1, push jack 3-2, push jack connecting plate 3-3, push jack connection panel seat
3-4, push jack connect panel seat spring 3-5.
Cutter 3-1 is in arc-shaped, and lower end is provided with raised 3-1-1.
Push jack 3-2 is in arc-shaped, and top is in three row pushing slice of nail 3-2-1 of arc-shaped distribution, and lower end is provided with push jack company
Fishplate bar mounting groove 3-2-2 is provided with pinhole on push jack connecting plate mounting groove.
The upper end push jack connecting plate 3-3 is arc-shaped, and lower part is filled in item, and upper end is provided with pinhole, and lower end is also equipped with pin
Hole.
The push jack connection upper end panel seat 3-4 is provided with push jack connecting plate mounting groove 3-4-1 and pinhole.
Cutter 3-1 is plastic in the front end push jack 3-2 by being molded, and push jack 3-2 and push jack connecting plate 3-3 passes through pin and installs
Fixed, push jack connecting plate 3-3 connect panel seat 3-4 with push jack and installs fixation by pin.
When replaceable resist-nailed seat component 1, replaceable nail bin groupware 2 and replaceable push jack knife assembly 3 assemble, push jack 3-
2, cutter 3-1 is mounted in the push jack mounting groove 2-3-1 of staple cartridge tray 2-3, and push jack connecting plate 3-3 is pushed away across staple cartridge tray 2-3's
The kiss of pushing slice of nail 3-2-1 arc-shaped distribution on nail bin 2-2 of arc-shaped distribution on piece connecting plate sliding groove 2-3-4, push jack 3-2
Sliding in dowel mounting groove 2-2-3, pushes anastomosis staple to coincide, cutter sliding groove 2-2-2 of the cutter 3-1 on nail bin 2-2
Tissue is cut in interior sliding.Nail bin 2-2 be fixedly connected with staple cartridge tray 2-3 after in the two sides U-lag 1-1-1 of resist-nailed seat bracket 1-1
Sliding, positioning pin 2-1 are mounted in the positioning pin mounting groove 1-1-3 of resist-nailed seat bracket 1-1, wear in resist-nailed seat mounting groove 1-1-2
The positioning pin sliding eye 1-3-2 for crossing resist-nailed seat 1-3 is slided in the positioning pin movable span 2-2-1 on nail bin 2-2；Staple cartridge tray 2-3
Lower part is fitted in the circular arc row slot of the upper end nail bin bracket 1-4.Push jack connecting plate 3-3 is in upper and lower nail bin connecting plate 2-8/2-5
Middle slip, the arc-shaped structure that three's strip partially passes through the upper end nail bin bracket 1-4 are sliding in the tubular structure of its underpart
Dynamic, nail bin connection panel seat 2-7 is mounted in the tubular structure of nail bin bracket 1-4, and push jack connects panel seat 3-4 and connect panel seat with push jack
Spring 3-5 is mounted in push jack connecting plate sliding groove 2-7-3.
4 front end of fixed handle is provided with rotating handle mounting groove 4-1, and fixed handle rear portion is provided with button installing hole of giving up the throne
4-2,4 top of fixed handle are provided with instruction needle sliding groove 4-3, and the instruction rear portion needle sliding groove 4-3 is provided with form mounting groove 4-
4, middle part is provided with flexible handle mounting groove 4-5, and lower part is provided with fixed handle pin mounting hole 4-6.
Resist-nailed seat revolving joint 5 includes fixed link 5-1, rotating handle 5-2, unloads component button spring 5-3, unloads component
Button 5-4, fixing sleeve 5-5.
Fixed link 5-1 is cylindrical, and centre is provided with through-hole 5-1-1, and front end is provided with nail bin bracket rotation connection card slot
It is provided on the outside of 5-1-2, fixed link 5-1 and unloads component button and be slidably installed slot 5-1-3, and unload component button spring mounting groove 5-
1-4, rear portion are provided with rotating handle link slot 5-1-5 and rotating handle fixed card slot 5-1-6.
The front rotating handle 5-2 is provided with fixed link installation protrusion 5-2-1, and rear portion is provided with fixed handle installation protrusion 5-
2-2, surface are equipped with anti-skid chequer 5-2-3.Rotating handle is made of anticlockwise handle and right rotation handle two parts.
Component button 5-4 is unloaded to be provided with a protrusion 5-4-1 and unload component button spring mounting post 5-4-2.
In a tubular form, top is provided with U-lag 5-5-1 to fixing sleeve 5-5.
It unloads component button spring 5-3 and is mounted on and unload the unloading on component button spring mounting post 5-4-2 of component button 5-4, unload
The component button that unloads that component button 5-4 is mounted on fixed link 5-1 is slidably installed in slot 5-1-3, and fixing sleeve 5-5 is sleeved on fixed link
On the outside of 5-1, the raised 5-4-1 for unloading component button 5-4 is slided in the U-lag 5-5-1 of fixing sleeve 5-5.The rear end fixed link 5-1
Rotating handle link slot 5-1-5 and rotating handle fixed card slot 5-1-6, cooperation are fixedly mounted on the fixed link of rotating handle 5-2
It installs on protrusion 5-2-1, the fixed handle installation protrusion 5-2-2 of the rear end rotating handle 5-2 is fitted to the rotation of fixed handle 4
It changes hands in handle mounting groove 4-1, and can mutually rotate.
6 upper end of flexible handle be provided with left-and-right supporting plate push boss 6-1, top be provided with percussion push plate mounting groove 6-2 and
Pin mounting hole 6-3 is fired, percussion push plate mounting groove lower part is provided with left and right bracket installation base 6-5, and percussion spring installation
Boss 6-6 is provided with flexible handle tension spring installation base 6-7 on the right side of flexible handle 6, and extension bar promotion is provided on the right side of flexible handle
Boss 6-8, the extension bar of flexible handle push and are provided with left slider protrusion 6-4 and right sliding block protrusion 6-9 on the downside of boss 6-8.
7 front end of left support is provided with pin mounting hole 7-1, and upper rear end is provided with clamping plate rivet mounting hole 7-2, and centre is set
Long waist shaped groove 7-3 is set, long waist shaped groove front is provided with sliding block spring mounting hole 7-4, and sliding block spring mounting hole 7-4 underside of forward is set
It is equipped with flexible handle mounting hole 7-5, middle and back is provided with left slider installation groove 7-6 on the upside of left support, and lower part is provided with clamping plate
Rivet mounting hole 7-7.
8 front end of right support is provided with pin mounting hole 8-1, and upper rear end is provided with clamping plate rivet mounting hole 8-2, it is intermediate this
Only long waist shaped groove 8-3, long waist shaped groove front are provided with sliding block spring mounting hole 8-4, sliding block spring mounting hole 8-4 underside of forward
It is provided with flexible handle mounting hole 8-5, middle and back is provided with right sliding block installation groove 8-6 on the upside of right support, and lower part is provided with folder
Plate rivet mounting hole 8-7 is provided with nail pushing plate tension spring mounting hole 8-8 among upside.
Nail bin transmission mechanism 9 includes closure push rod 9-1, rotation fixed block 9-2, right support plate 9-3, extension bar set 9-4, extension bar
9-5, clamping plate rivet 9-6, jaw pin 9-7, left support plate 9-8, extension bar hollow pin 9-9.
It is cylindrical to be closed push rod 9-1, centre is provided with through-hole 9-1-1, and front end is provided with nail bin connection panel seat activity and connects
Buckle 9-2 is met, rear end is provided with rotation fixed block connection card slot 9-3.
Rotation fixed block 9-2 is cylindrical, and two sides are provided with slip plane 9-2-1, and centre is provided with through-hole 9-2-2, preceding
End is provided with closure push rod installation protrusion 9-2-3, and rear end sides are respectively arranged with the right branch of T shape left support plate card slot 9-2-4, T shape
Fagging card slot 9-2-5.
The front end left support plate 9-8 is provided with T shape installation buckle 9-8-1, and centre is provided with long waist shaped groove 9-8-2, long waist shaped
Slot rear portion is provided with trigger shaft back seat sliding recess 9-8-3, and rear end is provided with extension bar hollow pin mounting hole 9-8-4, and upper end is provided with
One square protruding 9-8-5.
The front end right support plate 9-3 is provided with T shape installation buckle 9-3-1, and centre is provided with long waist shaped groove 9-3-2, long waist shaped
Slot rear portion is provided with trigger shaft back seat sliding recess 9-3-3, and rear end is provided with extension bar hollow pin mounting hole 9-3-4.
The extension bar set front 9-4 is provided with flexible handle loose slot 9-4-1, and front end is provided with extension bar hollow pin mounting hole 9-4-2,
Rear end is provided with jaw pin mounting hole 9-4-3 and extension bar mounting groove 9-4-4.
The front end extension bar 9-5 is provided with extension bar set installation protrusion 9-5-1 and jaw pin mounting hole 9-5-2, rear end are provided with folder
Plate rivet mounting hole 9-5-3.
The rotation fixed block connection card slot 9-3 of the closure rear end push rod 9-1 is mounted on the closure push rod installation of rotation fixed block
On raised 9-2-3, the T row installation buckle 9-8-1 of left support plate, the T row installation buckle 9-3-1 of right support plate are separately mounted to revolve
Turn in T shape left support plate card slot 9-2-4, T shape right support plate card slot 9-2-5 of fixed block, left and right support plate rear end passes through extension bar
Hollow pin 9-9 is installed together with extension bar set 9-4, and the extension bar set rear end 9-4 is connect by jaw pin 9-7 with extension bar 9-5, passes through clamping plate
Rivet 9-6 is by the clamping plate rivet hole 9-5-3 of the rear end extension bar 9-5 and left support 7, the clamping plate rivet hole 7- of 8 upper rear end of right support
2,8-2 connection, pin passes through the long waist shaped hole 9-8-2 among the left support plate and long waist shaped hole 9-3-2 among right support plate will
Left support plate 9-8 and the front end right support plate 9-3 are fixed, and the folder of 8 lower part of left support 7 and right support is passed through by another clamping plate rivet
Plate rivet mounting hole 7-7,8-7 installation are fixed.
Push jack cutter transmission mechanism 10 includes percussion push rod 10-1, trigger shaft back seat 10-2, percussion push plate 10-3, percussion
Spring 10-4, nail pushing plate tension spring 10-5, fixed handle pin 10-6, flexible handle tension spring 10-7, percussion pin 10-8, left slider
10-9, right sliding block 10-10, sliding block spring 10-11.
Percussion push rod 10-1 is cylindrical, and rear end is provided with trigger shaft back seat installation groove 10-1-1.
Trigger shaft back seat 10-2 is rectangle sheet shape, and front end is provided with trigger shaft installation protrusion 10-2-1, and middle part is set
It is equipped with long waist shaped groove 10-2-3, is provided with left-and-right supporting plate slide protrusion 10-2-4, trigger shaft back seat rear upper side on rear side of middle part
It is provided with raised 10-2-5, protrusion is intermediate to be provided with circular hole 10-2-6, is provided with percussion push plate on the downside of base rear end after trigger shaft and pushes away
Dynamic groove 10-2-7.
The percussion front end push plate 10-3 is provided with trigger shaft back seat and pushes boss 10-3-1, and rear end is provided with percussion pin installation
Hole 10-3-2.
Left support installation protrusion 10-9-1 is provided on the left of the upper end left slider 10-9, middle part front end is provided with kidney slot 10-
9-2, inside are provided with flexible handle sliding gear card slot 10-9-3.
Right support installation protrusion 10-10-1 is provided on the left of the upper end right sliding block 10-10, middle part front end is provided with waist row hole
10-10-2, inside are provided with flexible handle sliding gear card slot 10-10-3.
The trigger shaft back seat installation groove 10-1-1 of the percussion rear end push rod 10-1 is fitted to trigger shaft back seat 10-2's
Trigger shaft is installed on protrusion 10-2-1, and long waist shaped groove 10-2-3 of the left and right bracket by pin across trigger shaft back seat 10-2 pacifies
Mounted in the two sides trigger shaft back seat 10-2, the one end nail pushing plate tension spring 10-5 is hooked in trigger shaft back seat 10-2 rear upper side protrusion 10-2-5
On circular hole 10-2-6 in, the other end is hooked in the nail pushing plate tension spring mounting hole 8-8 in the rectangular boss of the middle part of right support 8 upside,
Percussion spring 10-4 is mounted on the percussion spring installation base 6-6 of 6 two sides of flexible handle, and percussion push plate 10-3 is mounted on activity
In the percussion push plate mounting groove 6-2 on 6 top of handle, percussion pin 10-8 passes through the percussion pin mounting hole 6-3 on flexible handle 6
With the percussion pin mounting hole 10-3-2 of the percussion rear end push plate 10-3, percussion push plate 10-3 is mounted on flexible handle 6.Activity
The left and right bracket installation base 6-5 of 6 two sides of handle is separately mounted to the flexible handle mounting hole 7-5 and right support 8 of left support 7
In flexible handle mounting hole 8-5.The one end flexible handle spring 10-7 is mounted on the flexible handle tension spring installation base of flexible handle 6
On 6-7, the other side is mounted on the fixed handle pin 10-6 on the fixed handle pin mounting hole 4-6 of fixed handle 4.Left slider
Left support installation protrusion 10-9-1 on the left of the upper end 10-9 is mounted in the round left slider installation groove 7-6 of left support 7, sliding block
The one end spring 10-11 is hooked in the sliding block spring mounting hole 7-4 of left support 7, and the other end is hooked in front end in the middle part of left slider 10-9
In waist row hole 10-9-2, the right support installation protrusion 10-10-1 on the left of the upper end right sliding block 10-10 is mounted on the circle of right support 8
In right sliding block installation groove 8-6, the one end another sliding block spring 10-11 is hooked in the sliding block spring mounting hole 8-4 of right support 8, separately
One end is hooked in the middle part of right sliding block 10-10 in the kidney slot 10-10-2 of front end.
Resetting-mechanism 11 includes give up the throne button 11-1, reset button spring 11-2, reset button 11-3, reset button pin
11-4, insurance 11-5.
The front end button 11-1 of giving up the throne is provided with cylindrical fixed handle installation protrusion 11-1-1, and button middle part lower end of giving up the throne is set
It is equipped with extension bar button projection 11-1-2, rear side is provided with U row slot 11-1-3, is provided with reset button mounting post 11- on the outside of U-lag
1-4。
The front end reset button 11-3 is provided with the button installation grab 11-3-1 that gives up the throne, and slot is arranged in downside in the middle part of reset button
11-3-2 is provided with reset button pin mounting hole 11-3-3 on slot, and slot lower end is provided with clamping plate rivet mounting hole 11-3-4.
The insurance front end 11-5 is triangular in shape, and two sides are provided with boss 11-5-1, and rear end is provided with reset button pin mounting hole
11-5-2。
The fixed handle installation protrusion 11-1-1 of the front end button 11-1 of giving up the throne is mounted on the button of giving up the throne at fixed handle rear portion
In mounting hole 4-2, the button installation grab 11-3-1 that gives up the throne of the front end reset button 11-3 is mounted on button 11-1U shape slot of giving up the throne
On reset button mounting post 11-1-4 on the outside of 11-1-3, by reset button pin 11-4, by reset button spring 11-2 and guarantor
Dangerous 11-5 is mounted in the slot 11-3-2 resetted on the downside of insurance 11-3, the clamping plate rivet mounting hole 11- of the lower end reset button 11-3
3-4 is mounted on clamping plate rivet 9-6.
Indicating mechanism 12 includes indicator 12-1, form 12-2, instruction needle spring 12-3.
The front end indicator 12-1 is provided with instruction needle spring mounting post 12-1-1, and middle part is provided with square block 12-1-2, after
End is provided with arc pointer 12-1-3.Indicator instruction is provided on form 12-2 to prepare, clamp, cut identical, reset position
Line.
Instruction needle spring 12-3 is mounted on the instruction needle spring mounting post 12-1-1 in indicator, the side in the middle part of indicator
Shape block 12-1-2 is mounted in the instruction needle sliding groove 4-3 on 4 top of fixed handle, and can be slided, and form is mounted on fixed handle 4
Form mounting groove 4-4 in, pass through transparent window 12-2, it can be seen that the arc pointer 12-1-3 of the indicator 12-1 of lower section.
Fixed handle 4, resist-nailed seat revolving joint 5, flexible handle 6, left support 7, right support 8, nail bin transmission mechanism
9, when push jack cutter transmission mechanism 10, resetting-mechanism 11, indicating mechanism 12 assemble, closure push rod 9-1 is mounted on fixed link 5-1
In intermediate through-hole 5-1-1, and can be free to slide, percussion push rod 10-1 is mounted on the through-hole 9-1-1 among closure push rod 9-1
It is interior, and can be free to slide, left support plate 9-8 and right support plate 9-3 are mounted on the two sides trigger shaft back seat 10-2, and after trigger shaft
The left and right support plate slide protrusion 10-2-4 that rear side is arranged in the middle part of seat 10-2 can hitting in left support plate 9-8 and right support plate 9-3
It is slided in hair bar back seat sliding recess 9-8-3,9-3-3, the left-and-right supporting plate of 6 upper end of flexible handle pushes boss 6-1 that can connect
Sliding in the flexible handle loose slot 9-4-1 of the front end rod set 9-4, the extension bar on 6 right side of flexible handle push boss 6-8 to act against and connect
The front end bar 9-5 can push extension bar 9-5 movable when movable, extension bar 9-5 and extension bar set 9-4 are mounted on left slider 10-9 and right sliding block
Among 10-10.The button 11-1 that gives up the throne is mounted among left slider 10-9 and right sliding block 10-10, in the state of closure flexible handle 6
Under, the extension bar button projection 11-1-2 for the lower end button 11-1 of giving up the throne is acted against on extension bar 9-5, the slot on the downside of reset button 11-3
11-3-2 is mounted on the two sides extension bar 9-5, and by clamping plate rivet 9-6, extension bar 9-5 and reset button 11-3 are installed together, left
Square protruding 9-8-5 on support plate 9-8, acts against on the square block 12-1-2 of indicator 12-1, the left and right branch of flexible handle 6
Frame installation base 6-5 is mounted in the flexible handle mounting groove 4-5 of fixed handle.
The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA, belongs to medical instrument, and disposably makes
It is matched with arc line shaped Endo-GIA, disposable arc line type Endo-GIA when in use, first will be assembled
Replaceable resist-nailed seat component 1, replaceable nail bin groupware 2 and replaceable push jack knife assembly 3, are packed into assembled fixed handle
4, resist-nailed seat revolving joint 5, flexible handle 6, left support 7, right support 8, nail bin transmission mechanism 9, the transmission of push jack cutter
Mechanism 10, resetting-mechanism 11 in indicating mechanism 12, then are performed the operation, and are selected the hemorrhoidal tissue that need to be cut off or rectal polyp, are pressed
Flexible handle, the right sliding block protrusion 6-9 of flexible handle 6 slides into the flexible handle sliding gear card slot of right sliding block 10-10 at this time
In 10-10-3, while the extension bar of flexible handle 6 pushes boss 6-8 that extension bar 9-5, extension bar is pushed to cover 9-4, left support plate 9-8, the right side
Support plate 9-3, rotation fixed block 9-2, closure push rod 9-1, nail bin connection panel seat 2-7, upper nail bin connecting plate 2-8, lower nail bin connect
Fishplate bar 2-5, staple cartridge tray 2-3, nail bin 2-2, further the distance between nail bin 2-2 and resist-nailed seat 1-3, is checked and is cut by indicating mechanism
It whether suitable cuts position, if improper, presses reset button 11-3, the lower end button 11-1 that makes to give up the throne is applied to right sliding block 10-10
Give up the throne on button boss 10-10-4, under the action of sliding block spring 10-11, make the right sliding block protrusion 6-9 on the right side of flexible handle
The flexible handle sliding gear card slot 10-10-3 for being detached from right sliding block 10-10 resets nail bin under the action of nail pushing plate tension spring.
If checking that cutting position is suitable by indicating mechanism, continue to press flexible handle 6, until extension bar 9-5, extension bar set 9-4 are in one
Straight line, reaches self-locking state, and flexible handle 6 resets under the action of flexible handle spring 10-7, has at this time been cutting seam
It is combined to knit and be ready, if malposition, equally press reset button 11-3, the extension bar button for the lower end button 11-1 of giving up the throne is convex
11-1-2 is played, is acted on extension bar, under the action of nail pushing plate tension spring, is retracted nail bin, play the role of reset.By indicating machine
If the indicator instruction cutting position of structure is suitable, flexible handle 6 is pressed again, makes the left slider protrusion 6-4 on the left of flexible handle
It slides into the flexible handle sliding gear card slot 10-9-3 of left slider 10-9, is percussion push plate under the action of firing spring
The percussion push plate for acting against trigger shaft back seat 10-2 upwards pushes on groove 10-2-7, while pressing flexible handle 6, percussion
The trigger shaft back seat of the front end push plate 10-3 pushes boss 10-3-1 to push trigger shaft back seat 10-2, trigger shaft 10-1, push jack connection
Panel seat 3-4, push jack connecting plate 3-3, push jack 3-2, cutter 3-1 complete cutting and coincide, press reset button 11-3, make to give up the throne
The extension bar button projection 11-1-2 of the lower end button 11-1 is acted on extension bar 9-5, in nail pushing plate tension spring 10-5 and push jack connecting plate
Under the action of seat spring 3-5, reset push jack 3-2 cutter 3-1, nail bin 2-2 resets, in the effect of flexible handle spring 10-7
Under, flexible handle 6 is resetted, operation is completed.If operation is not finished, patient needs to cut many places haemorrhoids or rectal polyp, then takes
It out after instrument, presses unload component button 5-4 down, deviate from the raised 5-4-1 for unloading component button out of fixed link 5-1, rotate
Assembled replaceable resist-nailed seat component 1, replaceable nail bin groupware 2 and replaceable push jack knife assembly 3, it is removed, dress
Enter new assembled replaceable resist-nailed seat component 1, replaceable nail bin groupware 2 and replaceable push jack knife assembly 3, continues hand
Art.
Claims (4)
1. the replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA, which is characterized in that including resist-nailed seat bracket,
Knife washer, resist-nailed seat, nail bin bracket, nail bin rack plate and component fixing sleeve；
Resist-nailed seat bracket is in circular arc type, and centre is provided with U-lag, and U-lag two sides are provided with resist-nailed seat mounting groove, resist-nailed seat bracket
Arc surface two sides are provided with positioning pin mounting groove, are provided with knife washer mounting groove on the inside of resist-nailed seat bracket arc surface；
Resist-nailed seat is in circular arc type, and centre is provided with U-lag, and resist-nailed seat arc surface two sides are provided with positioning pin sliding eye, resist-nailed seat
Staple formation slot is provided on arc surface；
Nail bin frame upper is arc-shaped, and lower part is cylindrical, and top circular arc type is provided with the sliding groove of upper and lower nail bin connecting plate,
U-lag is opened in lower circular pipe side, and for installing nail bin rack plate, round tube rear end is provided with square boss；
Knife washer and resist-nailed seat are sequentially arranged in resist-nailed seat bracket, and resist-nailed seat bracket is connect by pin with nail bin bracket, are followed closely
Bin bracket lid is mounted in the U-lag of nail bin bracket lower part side, outside suit component fixing sleeve.
2. the replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA according to claim 1, feature
It is,
When replaceable resist-nailed seat component and replaceable nail bin groupware, replaceable push jack knife assembly assemble, push jack cutter peace
In the push jack mounting groove of staple cartridge tray, push jack connecting plate passes through the push jack connecting plate sliding groove of staple cartridge tray, arc-shaped on push jack
The pushing slice of nail of distribution slides in the anastomosis staple mounting groove of arc-shaped distribution on nail bin, pushes anastomosis staple to coincide, cutter are being followed closely
Sliding in cutter sliding groove on storehouse, cuts tissue；Nail bin be fixedly connected with staple cartridge tray after resist-nailed seat bracket U-lag two
Sliding in the resist-nailed seat mounting groove of side, positioning pin is mounted in the positioning pin mounting groove of resist-nailed seat bracket, across determining for resist-nailed seat
Sliding eye is sold in position, slides in the positioning pin movable span on nail bin；Staple cartridge tray lower part is fitted to nail bin pedestal upper end circular arc
In row slot, push jack connecting plate partially passes through the circle of nail bin pedestal upper end in upper and lower nail bin connecting plate middle slip, three's strip
Arcuate structure slides in the tubular structure of its underpart, and nail bin connection panel seat is mounted in the tubular structure of nail bin bracket, push jack
Connection panel seat connect panel seat spring with push jack and is mounted in push jack connecting plate sliding groove.
3. the replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA according to claim 1, feature
It is, three row's staple formation slots is provided on the resist-nailed seat arc surface of replaceable resist-nailed seat component.
4. the replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA according to claim 1, feature
It is, the nail bin bracket lower part of replaceable resist-nailed seat component is in round tube, and there are two square boss for the setting of round tube rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977186.4A CN108992114B (en) | 2018-08-26 | 2018-08-26 | Replaceable nail supporting seat assembly of disposable arc-shaped cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977186.4A CN108992114B (en) | 2018-08-26 | 2018-08-26 | Replaceable nail supporting seat assembly of disposable arc-shaped cutting anastomat |
Publications (2)
| Publication Number | Publication Date |
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| CN108992114A true CN108992114A (en) | 2018-12-14 |
| CN108992114B CN108992114B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810977186.4A Active CN108992114B (en) | 2018-08-26 | 2018-08-26 | Replaceable nail supporting seat assembly of disposable arc-shaped cutting anastomat |
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| CN208973971U (en) * | 2018-08-26 | 2019-06-14 | 江苏孜航精密五金有限公司 | The replaceable resist-nailed seat component of disposable arc line shaped Endo-GIA |
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| US20080093415A1 (en) * | 2004-09-30 | 2008-04-24 | Federico Bilotti | Surgical Stapling Instrument |
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| CN108992114B (en) | 2023-09-26 |
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