CN105342658A - Disposable anorectal cutting anastomat - Google Patents
Disposable anorectal cutting anastomat Download PDFInfo
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- CN105342658A CN105342658A CN201510789482.8A CN201510789482A CN105342658A CN 105342658 A CN105342658 A CN 105342658A CN 201510789482 A CN201510789482 A CN 201510789482A CN 105342658 A CN105342658 A CN 105342658A
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- nail
- hole
- spring
- pin
- handle
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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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
- A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention relates to a disposable anorectal cutting anastomat, pertaining to a medical instrument especially adapted to cutting and anastomosis of anorectal hemorrhoids.The disposable anorectal cutting anastomat comprises a nail-abutting seat assembly, a needle bin assembly, a snap ring assembly, a locking ring, a straight push rod, a straight push rod spring, a safety device, a movable handle assembly, a fixed handle assembly, an adjusting screw rod and an adjusting nut assembly. The nail-abutting seat assembly comprises a nail-abutting seat, a backup cutter ring and a connecting shaft. The needle bin assembly comprises a needle bin protection cover, a needle bin, a sewing nail, a cutter, a nail-pushing piece and a nail bin sleeve. The snap ring assembly comprises a snap ring pipe and two snap spring pieces. The adjusting screw rod adopts a variable-pitch screw rod having two ends which are fine-pitch screw rods. The front end portion of the adjusting screw rod is provided with a screw rod connecting hole. An indication assembly comprises an indication window, an indication pointer, an indication pointer driving rod and an indication pointer torsion spring. The safety device comprises a safety block, a safety block spring, a safety driving rod and a safety driving rod tension spring. The adjusting nut assembly comprises an adjusting nut, a screw rod micro-adjusting nut, a sealing cap, a nut pin and a nut pin retainer ring.
Description
Technical field
What the present invention relates to is a kind of disposable anorectal Endo-GIA, belong to medical apparatus and instruments be specially adapted to anorectal hemorrhoid cutting coincide.
Background technology
Anal and bowel pile is commonly called as hemorrhoid, is the distinctive commonly encountered diseases of the mankind, frequently-occurring disease.Show according to relevant reconnaissance information, the sickness rate of anorectal disease is 59.1%, and hemorrhoid account in all anal and intestinal diseases 87.25%, and wherein common with internal hemorrhoid, account for 52.19% of all anal and intestinal diseases.Men and women all can fall ill, and the sickness rate of women is 67%, and the sickness rate of male is 53.9%, and any age all can fall ill, and increases the weight of gradually along with the increase at age, therefore has saying of " ten people nine hemorrhoid ".General operative treatment comprises the traditional operations such as ligation method, Barron ligation, hemorrhoid excision.Troublesome poeration, requires high to the clinical experience of doctor in operation process, operates careless slightlyly will cause Massive Bleeding, and increase patient painful, extend operating time, success rate of operation is low, and incision out-of-flatness is smooth, and wound suture unsightly.Original disposable anus perianal abscess anastomat front end of using in operation is integrated, inseparable, and front end is again without the pocket hole of adjustable resection organization amount, cutting limitation is large, the space constraining user to operate when practical operation, complex operation step, increases operating time.
The nail supporting base of current disposable anorectal Endo-GIA is directly fixedly connected with adjusting bolt, use inconvenience, current disposable anorectal Endo-GIA adopts and directly holds examination fixed handle, it is very inconvenient to use, in operative doctor operative process, easy hand clamping impact operation is normally carried out, have influence on surgical quality, bring unnecessary misery to patient.
Summary of the invention
The present invention seeks to provide a kind of disposable anorectal Endo-GIA for above-mentioned weak point, because nail supporting base (to needle stand) assembly and adjusting screw(rod) adopt split-type structural, alleviate nail supporting base weight, be convenient to operative doctor operation, anastomosis staple is driven by straight push rod, push jack owing to adopting flexible handle, anastomosis staple uniform force is made in anastomosis procedures, molding is fixed whole, guarantee surgical quality, can know that display operating theater instruments firing position guarantees success rate of operation owing to increasing indication component, reduce patient painful.Owing to adopting safety, when less than firing position, cannot pull the trigger, avoid mistakenly hit to send out and ensure that operation is normally carried out.Owing to adopting movable monolever, directly hold operation, easy to operate.Regulate adjusting screw(rod) to adopt Variable pitch screw, the spacing regulating nail supporting base assembly and pin pack assembly can be accelerated, can operating time be shortened, be convenient to operation technique.
Disposable anorectal Endo-GIA realizes by the following technical solutions:
Disposable anorectal Endo-GIA comprises nail supporting base assembly, nail bin groupware, clamp spring component, clamp ring, straight push rod, straight push rod spring, indication component, safety, flexible handle assembly, fixed handle assembly, regulates screw mandrel and adjusting nut assembly.
Nail supporting base assembly comprises nail supporting base, knife washer and connecting axle, nail supporting base front portion has nail supporting base body, nail supporting base body rear portion is provided with nail supporting base knife washer mounting groove, nail supporting base body rear portion is provided with nail supporting base positioning and guiding axle, nail supporting base positioning and guiding axle periphery is provided with gathering sill, positioning and guiding axle bottom is provided with connecting axle installing hole, and knife washer is arranged in nail supporting base knife washer mounting groove.Nail supporting base rear end face is provided with staple forming tank.
Connecting axle rear portion is arranged in the connecting axle installing hole of positioning and guiding axle, and connecting axle rear portion is provided with connecting axle limited step, and connecting axle front portion is provided with connecting axle draw-in groove, and connecting axle leading section is provided with connecting axle guide head.
Nail bin groupware comprises nail bin over cap, nail bin, staple, cutter, pushing slice of nail and nail storehouse sleeve.Pushing slice of nail is arranged in nail storehouse sleeve, and cutter injection moulding is arranged on pushing slice of nail leading section, and pushing slice of nail has pushing slice of nail body, and pushing slice of nail body leading section is provided with push jack, coincide when coincideing for promoting staple.Pushing slice of nail rear body is provided with positioning and guiding pipe, is provided with positioning and guiding projection in positioning and guiding pipe, and positioning and guiding projection has coordinated positioning and guiding effect with the gathering sill that the positioning and guiding axle of nail supporting base is arranged.Positioning and guiding pipe rearward end is provided with coupling hook, for connecting straight push rod.
Nail storehouse sleeve front portion is provided with nail bin locating hole, and nail storehouse sleeve rearward end is provided with fixing buckle, for being fixed in the nail storehouse sleeve installing hole of fixed handle plastic front portion at nail storehouse sleeve rear portion.
Nail bin is provided with staple groove, staple is arranged in staple groove, and nail bin periphery is provided with nail bin positioning boss, and the nail bin that staple is housed is arranged on nail storehouse sleeve leading section, nail bin positioning boss is installed in the nail bin locating hole of nail storehouse sleeve, is installed by nail bin and is positioned at nail storehouse sleeve leading section.
Nail bin over cap is provided with handle, and nail bin over cap is sleeved on the nail storehouse sleeve leading section that nail bin is housed, and for the protection of nail bin, prevents nail bin from coming off built with staple.
Clamp spring component comprises jump ring pipe and two panels Clip Reed.Be provided with through hole in the middle part of jump ring pipe, jump ring pipe front part sides is provided with long waist shaped groove, and long waist shaped groove is communicated with through hole, and jump ring pipe rear portion is provided with connecting hole and link slot.Two panels Clip Reed is arranged in the anterior through hole of jump ring pipe.Clip Reed front portion is provided with Clip Reed buckle, Clip Reed rear portion is provided with hook.
Screw mandrel is regulated to adopt displacement screw mandrel, middle part is coarse pitch screw mandrel, and both ends are fine pitch screw mandrel, and adjustment screw mandrel leading section is provided with screw mandrel connecting hole, regulate screw mandrel leading section to plug in jump ring pipe link slot during assembling, be fixedly mounted on jump ring pipe rear portion by connecting pin, connecting hole.
Be provided with in the middle part of straight push rod and regulate screw mandrel installing hole, adjustment screw mandrel installing hole both sides are provided with Clip Reed sliding tray, be provided with in direct bar front portion and connect hook draw-in groove, in the middle part of direct bar, outer setting has spring positioning boss, and straight putting back-end portion is provided with firing handle draw-in groove.It is outside that straight push rod spring is sleeved on straight push rod, located by spring positioning boss.
Clamp ring is arranged on nail storehouse sleeve rearward end by jump ring pipe, and the positioning and guiding pipe rearward end of pushing slice of nail plugs in straight push rod leading section, by connecting hook and being connected hook draw-in groove and matching stationary positioned.
Fixed handle assembly is formed by left and right two fixed handle Combination Welding, and fixed handle inside front ends is provided with nail bin installing hole, and fixed handle inside upper part is provided with straight push rod sliding tray, and fixed handle inside upper part rear end is provided with adjusting nut mounting groove.Fixed handle middle inside is provided with flexible handle installing hole, pointer installing hole, button spring erection column, and fixed handle lower inside is provided with safety block installing hole, breaking pin hole.Fixed handle top is provided with indicating window installing hole.
Indication component comprises indicating window, pointer, pointer drive link, pointer button spring.Indicating window is arranged on indicating window installing hole top, fixed handle top, and pointer bottom is provided with pointer fixed bar, drive link erection column, is provided with button spring draw-in groove in the middle part of pointer.Pointer fixed bar is arranged in pointer installing hole, and pointer torsion spring is arranged on torsion spring erection column.Pointer drive link one end is provided with mounting hole, and pointer drive link is sleeved on drive link erection column by mounting hole, and pointer one end leans on fixed handle reinforcement, and the other end leans in button spring draw-in groove.
Flexible handle assembly comprises flexible handle, flexible handle cover, handle pin, flexible handle spring.Flexible handle spring housing is contained on handle pin, flexible handle is arranged on handle pin by flexible handle pin-and-hole, the flexible handle enclosure is contained in flexible handle outside and is flexibly connected with handle pin by handle pin-and-hole, flexible handle spring one end leans on flexible handle, and the other end leans on fixed handle.
Safety comprise safety block, safety block pin, safety block spring, insurance drive link, the extension spring of insurance drive link.Safety block one end is provided with safety block boss, the safety block other end is provided with safety block spring card slot, breaking pin hole, safety block is sleeved on safety block pin by breaking pin hole, safety block end, and to be flexibly connected with fixed handle by safety block pin, breaking pin hole together with safety block spring fitting in the safety block installing hole of fixed handle lower inside.
Insurance drive link upper end is by insurance drive link connecting hole, be sleeved on the drive link erection column of pointer assembly, insurance drive link lower end leans on the Safety buckle of safety block top, insurance drive link extension spring one end is connected in the extension spring hole of insurance drive link, and the insurance drive link extension spring other end is connected on fixed handle.
Adjusting nut assembly comprises adjusting nut, screw mandrel fine-tuning nut, capping, nut pin and nut pin collar.Adjusting nut is provided with nut pin-and-hole, nut pin is arranged in nut pin-and-hole, outer cover is equipped with nut pin collar, prevent nut pin from getting loose, fine pitch screw thread is provided with in adjusting nut rear through hole, be provided with screw mandrel fine setting female thread in adjusting nut rearward end hole, screw mandrel fine-tuning nut is arranged on adjusting nut rearward end, and capping is equipped with in adjusting nut rear end.Regulate screw mandrel rear portion to screw in adjusting nut, nut pin is inserted and is regulated in wire rod thread groove, and rotating adjusting nut drives and regulates screw mandrel to move forward and backward, and is convenient to the spacing regulating nail supporting base and nail storehouse sleeve.
In the middle part of adjusting nut, periphery is provided with fixed handle draw-in groove, and adjusting nut is arranged in fixed handle rearward end adjusting nut mounting groove by fixed handle draw-in groove.Be rotated counterclockwise adjusting nut by regulating screw mandrel; nail storehouse sleeve is released in jump ring pipe front end, jump ring pipe is inserted in the connecting axle front end of nail supporting base assembly, jump ring pipe clamp is lived by the Clip Reed in jump ring pipe; again with the adjusting nut that turns clockwise, nail supporting base is made to push down nail bin over cap.
Operation principle
When disposable anorectal Endo-GIA uses, turn adjusting nut passes through to regulate screw mandrel first counterclockwise, nail supporting base assembly is released nail bin about 5cm by jump ring pipe, extract nail supporting base assembly, pocket is played to patient with operation, the band hemorrhoid anorectal tissue that need cut is banded on nail supporting base, take off nail bin over cap, pocket nail supporting base assembly will be accomplished fluently again and insert jump ring pipe, the dextrorotation Clip Reed rotated on jump ring pipe promotes the pointer drive link of indication component, pointer, firing position is indicated by indicating window, drive insurance drive link by drive link erection column simultaneously, open safety, safety block is thrown off from the safety block draw-in groove of flexible handle cover, manual mode can be adopted to be easy to open safety block if do not thrown off, now doctor can press flexible handle, flexible handle promotes straight push rod, straight push rod promotes pushing slice of nail and the cutter of nail bin groupware, promote staple by tissue apposition simultaneously, after tissue apposition, tissue cuts off by cutter, unclamp flexible handle, straight push rod is driven by flexible handle spring and straight push rod spring, cutter reset, complete anorectal hemorrhoid cutting anastomosis operation.
Disposable anorectal Endo-GIA is reasonable in design, rational in infrastructure, because nail supporting base assembly and adjusting screw(rod) adopt split-type structural, alleviate nail supporting base weight, be convenient to operative doctor operation, anastomosis staple is driven by straight push rod, push jack owing to adopting flexible handle, in anastomosis procedures, make anastomosis staple uniform force, molding is fixed whole, guarantees surgical quality, can know that display operating theater instruments firing position guarantees success rate of operation owing to increasing indication component, reduce patient painful.Owing to adopting safety, when less than firing position, cannot pull the trigger, avoid mistakenly hit to send out and ensure that operation is normally carried out.Owing to adopting movable monolever, directly hold operation, easy to operate.Regulate adjusting screw(rod) to adopt Variable pitch screw, the spacing regulating glans penis shade assembly and pin pack assembly can be accelerated, can operating time be shortened, be convenient to operation technique.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is disposable anorectal Endo-GIA structural representation.
Fig. 2 is disposable anorectal Endo-GIA STRUCTURE DECOMPOSITION figure.
Fig. 3 is the nail supporting base modular construction schematic diagram of disposable anorectal Endo-GIA.
Fig. 4 is the nail bin groupware structural representation of disposable anorectal Endo-GIA.
Fig. 5 is the nail bin groupware sectional view of disposable anorectal Endo-GIA.
Fig. 6 is the clamp spring component structural representation of disposable anorectal Endo-GIA.
Fig. 7 is the adjustment screw structure schematic diagram of disposable anorectal Endo-GIA.
Fig. 8 is the straight pusher structure schematic diagram of disposable anorectal Endo-GIA.
Fig. 9 is the fixed handle structural representation of disposable anorectal Endo-GIA.
Figure 10 is the indication component structural representation of disposable anorectal Endo-GIA.
Figure 11 is the flexible handle modular construction schematic diagram of disposable anorectal Endo-GIA.
Figure 12 is the safety structural representation of disposable anorectal Endo-GIA.
Figure 13 is the adjusting nut modular construction schematic diagram of disposable anorectal Endo-GIA.
Figure 14 is the adjusting nut assemble cross-section of disposable anorectal Endo-GIA.
Detailed description of the invention
With reference to accompanying drawing 1-14, disposable anorectal Endo-GIA comprises nail supporting base assembly 1, nail bin groupware 2, clamp spring component 3, clamp ring 4, straight push rod 5, straight push rod spring 6, indication component 7, safety 8, flexible handle assembly 9, fixed handle assembly 10, regulates screw mandrel 12 and adjusting nut assembly 11.
Nail supporting base assembly 1 comprises nail supporting base 1-1, knife washer 1-2 and connecting axle 1-3, nail supporting base 1-1 front portion has nail supporting base body 1-1-1, nail supporting base body 1-1-1 rear portion is provided with nail supporting base knife washer mounting groove 1-1-2, nail supporting base body 1-1-1 rear portion is provided with nail supporting base positioning and guiding axle 1-1-3, nail supporting base positioning and guiding axle 1-1-3 periphery is provided with gathering sill 1-1-4, positioning and guiding axle 1-1-3 bottom is provided with connecting axle installing hole 1-1-5, and knife washer 1-2 is arranged in nail supporting base knife washer mounting groove 1-1-2.Nail supporting base rear end face is provided with staple forming tank 1-1-6.
Connecting axle 1-3 rear portion is arranged in the connecting axle installing hole 1-1-5 of positioning and guiding axle 1-1-3, connecting axle 1-3 rear portion is provided with connecting axle limited step 1-3-3, connecting axle 1-3 front portion is provided with connecting axle draw-in groove 1-3-1, and connecting axle 1-3 leading section is provided with connecting axle guide head 1-3-2.
Nail bin groupware 2 comprises nail bin over cap 2-1, nail bin 2-2, staple 2-3, cutter 2-4, pushing slice of nail 2-5 and nail storehouse sleeve 2-6.Pushing slice of nail 2-5 is arranged in nail storehouse sleeve, and cutter 2-4 injection moulding is arranged on pushing slice of nail 2-5 leading section, and pushing slice of nail 2-5 has pushing slice of nail body 2-5-1, and pushing slice of nail body 2-5-1 leading section is provided with push jack 2-5-2, coincide when coincideing for promoting staple.Pushing slice of nail body 2-5-1 rear portion is provided with positioning and guiding pipe 2-5-4, in positioning and guiding pipe 2-5-4, be provided with the protruding 2-5-3 of positioning and guiding, the protruding 2-5-3 of positioning and guiding has coordinated positioning and guiding effect with the gathering sill 1-1-4 that the positioning and guiding axle 1-1-3 of nail supporting base 1-1 is arranged.Positioning and guiding pipe 2-5-4 rearward end is provided with coupling hook 2-5-5, for connecting straight push rod 5.
Nail storehouse sleeve 2-6 front portion is provided with nail bin locating hole 2-6-1, and nail storehouse sleeve 2-6 rearward end is provided with fixing buckle 2-6-2, for being fixed in the nail storehouse sleeve installing hole 10-1 of fixed handle 10 plastic front portion at nail storehouse sleeve 2-6 rear portion.
Nail bin 2-2 is provided with staple groove 2-2-3, staple is arranged in staple groove, nail bin periphery is provided with nail bin positioning boss 2-2-2, the nail bin that staple is housed is arranged on nail storehouse sleeve leading section, nail bin positioning boss 2-2-2 is installed in the nail bin locating hole 2-6-1 of nail storehouse sleeve, is installed by nail bin and is positioned at nail storehouse sleeve leading section.
Nail bin over cap is provided with handle 2-1-1, and nail bin over cap is sleeved on the nail storehouse sleeve leading section that nail bin is housed, and for the protection of nail bin, prevents nail bin from coming off built with staple.
Clamp spring component 3 comprises jump ring pipe 3-1 and two panels Clip Reed 3-2.Be provided with through hole 3-1-1 in the middle part of jump ring pipe 3-1, jump ring pipe 3-1 front part sides is provided with long waist shaped groove 3-1-2, and long waist shaped groove 3-1-2 is communicated with through hole 3-1-1, and jump ring pipe 3-1 rear portion is provided with connecting hole 3-1-3 and link slot 3-1-4.Two panels Clip Reed 3-2 is arranged in the anterior through hole 3-1-1 of jump ring pipe 3-1.Clip Reed 3-2 front portion is provided with Clip Reed buckle 3-2-1, Clip Reed 3-2 rear portion is provided with hook 3-2-2.
Screw mandrel 12 is regulated to adopt displacement screw mandrel, middle part is coarse pitch screw mandrel 12-2, both ends are fine pitch screw mandrel 12-1, adjustment screw mandrel 12 leading section is provided with screw mandrel connecting hole 12-3, regulate screw mandrel 12 leading section to plug in jump ring pipe link slot 3-1-4 during assembling, be fixedly mounted on jump ring pipe 3-1 rear portion by connecting pin, connecting hole 3-1-3.
Be provided with in the middle part of straight push rod 5 and regulate screw mandrel installing hole 5-3, adjustment screw mandrel installing hole 5-3 both sides are provided with Clip Reed sliding tray 5-2, be provided with in direct bar 5 front portion and connect hook draw-in groove 5-4, in the middle part of direct bar 5, outer setting has spring positioning boss 5-1, and straight push rod 5 rearward end is provided with firing handle draw-in groove 5-5.It is outside that straight push rod spring cover 6 is contained in straight push rod 5, located by spring positioning boss 5-1.
Clamp ring 4 is arranged on nail storehouse sleeve 2-6 rearward end by jump ring pipe 3-1, and the positioning and guiding pipe 2-5-4 rearward end of pushing slice of nail 2-5 plugs in straight push rod 5 leading section, to match stationary positioned by connecting hook 2-5-4 with the connection hook draw-in groove 5-2 of straight push rod 5 front portion.
Fixed handle assembly 10 is formed by left and right two fixed handle Combination Welding, fixed handle inside front ends is provided with nail storehouse sleeve installing hole 10-1, fixed handle inside upper part is provided with straight push rod sliding tray 10-2, and fixed handle inside upper part rear end is provided with adjusting nut mounting groove 10-8.Fixed handle middle inside is provided with flexible handle installing hole 10-3, pointer installing hole 10-4, button spring erection column 10-10, and fixed handle lower inside is provided with safety block installing hole 10-5, breaking pin hole 10-7.Fixed handle top is provided with indicating window installing hole 10-6.
Indication component 7 comprises indicating window 7-1, pointer 7-2, pointer drive link 7-3, pointer button spring 7-4.Indicating window 7-1 is arranged on indicating window installing hole 10-6 top, fixed handle top, and pointer 7-1 bottom is provided with pointer fixed bar 7-2-2, drive link erection column 7-2-1, is provided with button spring draw-in groove 7-2-3 in the middle part of pointer 7-2.Pointer fixed bar 7-2-2 is arranged in pointer installing hole 10-4, and pointer torsion spring 7-4 is arranged on torsion spring erection column 10-10.Pointer drive link 7-3 one end is provided with mounting hole 7-3-1, pointer drive link 7-3 is sleeved on drive link erection column 7-2-1 by mounting hole 7-3-1, pointer torsion spring 7-4 one end leans on fixed handle reinforcement 10-9, and the other end leans in button spring draw-in groove 7-2-3.
Flexible handle assembly 9 comprises flexible handle 9-1, flexible handle cover 9-4, handle pin 9-2, handle spring 9-3.Flexible handle spring 9-3 is sleeved on handle pin 9-2, flexible handle 9-1 is arranged on handle pin 9-2 by flexible handle pin-and-hole 9-1-1, flexible handle cover 9-4 is sleeved on flexible handle 9-1 outside and is flexibly connected with handle pin 9-2 by handle pin-and-hole 9-4-1, flexible handle spring 9-3 one end leans on flexible handle 9-1, and the other end leans on fixed handle 10.
Safety 8 comprise safety block 8-1, safety block pin 8-2, safety block spring 8-3, insurance drive link 8-4, insurance drive link extension spring 8-5.Safety block 8-1 one end is provided with safety block boss 8-1-1, the safety block 8-1 other end is provided with safety block spring card slot 8-1-4, breaking pin hole 8-1-2, safety block 8-1 is sleeved on safety block pin 8-2 by breaking pin hole 8-1-2, safety block 8-1 end is arranged in the safety block installing hole 10-5 of fixed handle lower inside together with safety block spring 8-3, and is flexibly connected with fixed handle 10 by safety block pin 8-2, breaking pin hole 10-7.
Insurance drive link 8-4 upper end is by insurance drive link connecting hole 8-4-2, be sleeved on the drive link erection column 7-2-1 of pointer assembly 7, insurance drive link 8-4 lower end leans on the Safety buckle 8-1-3 of safety block top, insurance drive link extension spring 8-5 one end is connected in the extension spring hole 8-4-1 of insurance drive link, and the insurance drive link extension spring 8-5 other end is connected on fixed handle 10.
Adjusting nut assembly 11 comprises adjusting nut 11-1, screw mandrel fine-tuning nut 11-2, capping 11-3, nut pin 11-4 and nut pin collar 11-5.Adjusting nut 11-1 is provided with nut pin-and-hole 11-1-4, nut pin 11-4 is arranged in nut pin-and-hole 11-1-4, outer cover is equipped with nut pin collar 11-5, prevent nut pin from getting loose, fine pitch screw thread 11-1-2 is provided with in adjusting nut 11-1 rear through hole, be provided with screw mandrel fine setting female thread 11-1-1 in adjusting nut 11-1 rearward end hole, screw mandrel fine-tuning nut 11-2 is arranged on adjusting nut 11-1 rearward end, and capping 11-3 is equipped with in adjusting nut 11 rear end.Regulate screw mandrel 12 rear portion to screw in adjusting nut 11-1, nut pin 11-4 inserts and regulates in wire rod thread groove, and rotating adjusting nut 11-1 drives and regulates screw mandrel 12 to move forward and backward, and is convenient to the spacing regulating nail supporting base 1-1 and nail storehouse sleeve 2-6.
In the middle part of adjusting nut 11-1, periphery is provided with fixed handle 11-1-3 draw-in groove, and adjusting nut 11-1 is arranged in fixed handle 10 rearward end adjusting nut mounting groove 10-8 by fixed handle draw-in groove 11-1-3.Be rotated counterclockwise adjusting nut 11-1 by regulating screw mandrel 12; nail storehouse sleeve 2-6 is released in jump ring pipe 3-1 front end; the connecting axle 1-4 front end of nail supporting base assembly 1 is inserted jump ring pipe 3-1; jump ring pipe 3-1 blocks by the Clip Reed 3-2 in jump ring pipe; again with the adjusting nut 11-1 that turns clockwise, nail supporting base 1-1 is made to push down nail bin over cap 2-1.
Operation principle
When disposable anorectal Endo-GIA uses, turn adjusting nut 11-1 passes through to regulate screw mandrel 12 first counterclockwise, nail supporting base assembly is released nail bin about 5cm by jump ring pipe 3-1, extract nail supporting base assembly 1, pocket is played to patient with operation, the anorectal that need cut is banded on nail supporting base 1-1, take off nail bin over cap 2-1, pocket nail supporting base 1-1 will be accomplished fluently again and insert jump ring pipe 3-1, turn clockwise adjusting nut 11-1, the Clip Reed 3-2 on jump ring pipe 3-1 is driven to promote the pointer drive link 7-3 of indication component 7, pointer 7-2, firing position is indicated by indicating window 7-1, drive insurance drive link 8-4 by drive link erection column 7-2-1 simultaneously, open safety 8, safety block 8-1 throws off from the safety block draw-in groove of flexible handle cover 9-4, manual mode can be adopted to be easy to open safety block 8-1 if do not thrown off, now doctor can press flexible handle 9-1, flexible handle 9-1 promotes straight push rod 5, straight push rod 5 promotes pushing slice of nail 2-5 and the cutter 2-4 of nail bin groupware 2, promote staple 2-3 by tissue apposition simultaneously, after tissue apposition, tissue cuts off by cutter 2-4, unclamp flexible handle 9-1, straight push rod 5 is driven by flexible handle spring 9-3 and straight push rod spring 6, cutter 2-4 resets, complete anorectal hemorrhoid cutting anastomosis operation.
Claims (4)
1. a disposable anorectal Endo-GIA, its characteristic is: comprise nail supporting base assembly, needle chamber assembly, clamp spring component, clamp ring, straight push rod, straight push rod spring, indication component, safety, flexible handle assembly, fixed handle assembly, regulate screw mandrel and adjusting nut assembly;
Nail supporting base assembly comprises nail supporting base, knife washer and connecting axle, nail supporting base front portion has nail supporting base body, nail supporting base body rear portion is provided with nail supporting base knife washer mounting groove, nail supporting base body rear portion is provided with nail supporting base positioning and guiding axle, nail supporting base positioning and guiding axle periphery is provided with gathering sill, positioning and guiding axle bottom is provided with connecting axle installing hole, knife washer is arranged in nail supporting base knife washer mounting groove, and nail supporting base rear end face is provided with staple forming tank;
Connecting axle rear portion is arranged in the connecting axle installing hole of positioning and guiding axle, and connecting axle rear portion is provided with connecting axle limited step, and connecting axle front portion is provided with connecting axle draw-in groove, and connecting axle leading section is provided with connecting axle guide head;
Nail bin groupware comprises nail bin over cap, nail bin, staple, cutter, pushing slice of nail and nail storehouse sleeve; Pushing slice of nail is arranged in nail storehouse sleeve, and cutter injection moulding is arranged on pushing slice of nail leading section, and pushing slice of nail has pushing slice of nail body, and pushing slice of nail body leading section is provided with push jack, coincide when coincideing for promoting staple; Pushing slice of nail rear body is provided with positioning and guiding pipe, is provided with positioning and guiding projection in positioning and guiding pipe, and positioning and guiding projection has coordinated positioning and guiding effect with the gathering sill that the positioning and guiding axle of nail supporting base is arranged; Positioning and guiding pipe rearward end is provided with coupling hook, for connecting straight push rod;
Nail storehouse sleeve front portion is provided with nail bin locating hole, and nail storehouse sleeve rearward end is provided with fixing buckle, for being fixed at nail storehouse sleeve rear portion in the nail storehouse sleeve installing hole of fixed handle plastic front portion;
Nail bin is provided with staple groove, staple is arranged in staple groove, and nail bin periphery is provided with nail bin positioning boss, and the nail bin that staple is housed is arranged on nail storehouse sleeve leading section, nail bin positioning boss is installed in the nail bin locating hole of nail storehouse sleeve, is installed by nail bin and is positioned at nail storehouse sleeve leading section;
Clamp spring component comprises jump ring pipe and two panels Clip Reed; Be provided with through hole in the middle part of jump ring pipe, jump ring pipe front part sides is provided with long waist shaped groove, and long waist shaped groove is communicated with through hole, and jump ring pipe rear portion is provided with connecting hole and link slot; Two panels Clip Reed is arranged in the anterior through hole of jump ring pipe;
Screw mandrel is regulated to adopt displacement screw mandrel, middle part is coarse pitch screw mandrel, and both ends are fine pitch screw mandrel, and adjustment screw mandrel leading section is provided with screw mandrel connecting hole, regulate screw mandrel leading section to plug in jump ring pipe link slot during assembling, be fixedly mounted on jump ring pipe rear portion by connecting pin, connecting hole;
Be provided with in the middle part of straight push rod and regulate screw mandrel installing hole, adjustment screw mandrel installing hole both sides are provided with Clip Reed sliding tray, be provided with in direct bar front portion and connect hook draw-in groove, in the middle part of direct bar, outer setting has spring positioning boss, and straight putting back-end portion is provided with firing handle draw-in groove; It is outside that straight push rod spring is sleeved on straight push rod, located by spring positioning boss;
Clamp ring is arranged on nail storehouse sleeve rearward end by jump ring pipe, and the positioning and guiding pipe rearward end of pushing slice of nail plugs in straight push rod leading section, by connecting hook and being connected hook draw-in groove and matching stationary positioned;
Fixed handle assembly is formed by left and right two fixed handle Combination Welding, and fixed handle inside front ends is provided with nail bin installing hole, and fixed handle inside upper part is provided with straight push rod sliding tray, and fixed handle inside upper part rear end is provided with adjusting nut mounting groove; Fixed handle middle inside is provided with flexible handle installing hole, pointer installing hole, button spring erection column, and fixed handle lower inside is provided with safety block installing hole, breaking pin hole; Fixed handle top is provided with indicating window installing hole;
Indication component comprises indicating window, pointer, pointer drive link and pointer button spring; Indicating window is arranged on indicating window installing hole top, fixed handle top, and pointer bottom is provided with pointer fixed bar, drive link erection column, is provided with button spring draw-in groove in the middle part of pointer; Pointer fixed bar is arranged in pointer installing hole, and pointer torsion spring is arranged on torsion spring erection column; Pointer drive link one end is provided with mounting hole, and pointer drive link is sleeved on drive link erection column by mounting hole, and pointer one end leans on fixed handle reinforcement, and the other end leans in button spring draw-in groove;
Flexible handle assembly comprises flexible handle, flexible handle cover, handle pin, flexible handle spring; Flexible handle spring housing is contained on handle pin, flexible handle is arranged on handle pin by flexible handle pin-and-hole, the flexible handle enclosure is contained in flexible handle outside and is flexibly connected with handle pin by handle pin-and-hole, flexible handle spring one end leans on flexible handle, and the other end leans on fixed handle;
Safety comprise safety block, safety block pin, safety block spring, insurance drive link and the extension spring of insurance drive link; Safety block one end is provided with safety block boss, the safety block other end is provided with safety block spring card slot, breaking pin hole, safety block is sleeved on safety block pin by breaking pin hole, safety block end, and to be flexibly connected with fixed handle by safety block pin, breaking pin hole together with safety block spring fitting in the safety block installing hole of fixed handle lower inside;
Insurance drive link upper end is by insurance drive link connecting hole, be sleeved on the drive link erection column of pointer assembly, insurance drive link lower end leans on the Safety buckle of safety block top, insurance drive link extension spring one end is connected in the extension spring of insurance drive link, and the insurance drive link extension spring other end is connected on fixed handle;
Adjusting nut assembly comprises adjusting nut, screw mandrel fine-tuning nut, capping, nut pin and nut pin collar; Adjusting nut is provided with nut pin-and-hole, nut pin is arranged in nut pin-and-hole, outer cover is equipped with nut pin collar, prevent nut pin from getting loose, fine pitch screw thread is provided with in adjusting nut rear through hole, be provided with screw mandrel fine setting female thread in adjusting nut rearward end hole, screw mandrel fine-tuning nut is arranged on adjusting nut rearward end, and capping is equipped with in adjusting nut rear end; Regulate screw mandrel rear portion to screw in adjusting nut, nut pin is inserted and is regulated in wire rod thread groove, and rotating adjusting nut drives and regulates screw mandrel to move forward and backward, and is convenient to the spacing regulating nail supporting base and nail storehouse sleeve;
In the middle part of adjusting nut, periphery is provided with fixed handle draw-in groove, and adjusting nut is arranged in fixed handle rearward end adjusting nut mounting groove by fixed handle draw-in groove.
2. disposable anorectal Endo-GIA according to claim 1, its characteristic is: Clip Reed front portion is provided with Clip Reed buckle, Clip Reed rear portion is provided with hook.
3. disposable anorectal Endo-GIA according to claim 1, its characteristic is: nail bin over cap is provided with handle, and nail bin over cap is sleeved on the nail storehouse sleeve leading section that nail bin is housed, and for the protection of nail bin, prevents nail bin from coming off built with staple.
4. disposable anorectal Endo-GIA according to claim 1; its characteristic is: be rotated counterclockwise adjusting nut by regulating screw mandrel; nail storehouse sleeve is released in jump ring pipe front end; jump ring pipe is inserted in the connecting axle front end of nail supporting base assembly; jump ring pipe clamp is lived by the Clip Reed in jump ring pipe; again with the adjusting nut that turns clockwise, nail supporting base is made to push down nail bin over cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510789482.8A CN105342658B (en) | 2015-11-17 | 2015-11-17 | Disposable anorectal Endo-GIA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510789482.8A CN105342658B (en) | 2015-11-17 | 2015-11-17 | Disposable anorectal Endo-GIA |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105342658A true CN105342658A (en) | 2016-02-24 |
| CN105342658B CN105342658B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510789482.8A Active CN105342658B (en) | 2015-11-17 | 2015-11-17 | Disposable anorectal Endo-GIA |
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| CN107019538A (en) * | 2017-05-05 | 2017-08-08 | 江苏孜航精密五金有限公司 | Disposable anorectal selects the percussion drive device of Endo-GIA |
| CN107049429A (en) * | 2017-05-17 | 2017-08-18 | 广州德脉医疗器械有限公司 | A kind of indicator device for foreskin Endo-GIA |
| CN107080566A (en) * | 2017-05-05 | 2017-08-22 | 江苏孜航精密五金有限公司 | Disposable anorectal selects the selective resist-nailed seat component of Endo-GIA |
| CN107080567A (en) * | 2017-05-05 | 2017-08-22 | 江苏孜航精密五金有限公司 | Disposable anorectal selects the instruction safeties of Endo-GIA |
| CN107088078A (en) * | 2016-12-05 | 2017-08-25 | 温州冠美医疗科技有限公司 | A kind of prepuce cutting stitching instrument |
| CN108013909A (en) * | 2017-12-26 | 2018-05-11 | 常州市智业医疗仪器研究所有限公司 | A kind of linear stitching unstrument |
| CN108245215A (en) * | 2016-12-29 | 2018-07-06 | 常州安康医疗器械有限公司 | The circular staplers that a kind of novel solid coincide |
| CN108338815A (en) * | 2018-03-15 | 2018-07-31 | 无锡市神康医疗器械设备有限公司 | The anastomosis staple pusher of blood vessel anastomat |
| CN108992118A (en) * | 2018-08-26 | 2018-12-14 | 江苏孜航精密五金有限公司 | The resist-nailed seat regulating device of disposable rotation cast Endo-GIA |
| CN108992119A (en) * | 2018-08-26 | 2018-12-14 | 江苏孜航精密五金有限公司 | Disposable rotation cast Endo-GIA |
| CN109009286A (en) * | 2018-08-26 | 2018-12-18 | 江苏孜航精密五金有限公司 | Disposable arc line shaped Endo-GIA |
| CN109077766A (en) * | 2018-09-25 | 2018-12-25 | 常州市康迪医用吻合器有限公司 | Disposable linear anastomat |
| CN109091184A (en) * | 2018-09-11 | 2018-12-28 | 源胜泰（江苏）投资发展有限公司 | A kind of limit-type stapler |
| CN112353435A (en) * | 2020-11-03 | 2021-02-12 | 宝玛医疗科技(无锡)有限公司 | Endoscopic surgery cutting anastomat capable of avoiding damaging non-cutting tissues |
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| CN107088078A (en) * | 2016-12-05 | 2017-08-25 | 温州冠美医疗科技有限公司 | A kind of prepuce cutting stitching instrument |
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| CN107080566B (en) * | 2017-05-05 | 2023-09-08 | 江苏孜航精密五金有限公司 | Selective nail-abutting seat assembly of disposable anorectal selective cutting anastomat |
| CN107080566A (en) * | 2017-05-05 | 2017-08-22 | 江苏孜航精密五金有限公司 | Disposable anorectal selects the selective resist-nailed seat component of Endo-GIA |
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| CN108013909A (en) * | 2017-12-26 | 2018-05-11 | 常州市智业医疗仪器研究所有限公司 | A kind of linear stitching unstrument |
| CN108013909B (en) * | 2017-12-26 | 2024-03-08 | 常州市智业医疗仪器研究所有限公司 | Linear stitching instrument |
| CN108338815A (en) * | 2018-03-15 | 2018-07-31 | 无锡市神康医疗器械设备有限公司 | The anastomosis staple pusher of blood vessel anastomat |
| CN108338815B (en) * | 2018-03-15 | 2023-10-27 | 无锡市神康医疗器械设备有限公司 | Anastomotic nail pushing device of vascular anastomat |
| CN108992119A (en) * | 2018-08-26 | 2018-12-14 | 江苏孜航精密五金有限公司 | Disposable rotation cast Endo-GIA |
| CN108992119B (en) * | 2018-08-26 | 2023-08-01 | 江苏孜航精密五金有限公司 | Disposable rotary tubular cutting anastomat |
| CN109009286B (en) * | 2018-08-26 | 2023-08-18 | 江苏孜航精密五金有限公司 | Disposable arc-shaped cutting anastomat |
| CN108992118B (en) * | 2018-08-26 | 2023-10-27 | 江苏孜航精密五金有限公司 | Nail supporting seat adjusting device of disposable rotary tubular cutting anastomat |
| CN109009286A (en) * | 2018-08-26 | 2018-12-18 | 江苏孜航精密五金有限公司 | Disposable arc line shaped Endo-GIA |
| CN108992118A (en) * | 2018-08-26 | 2018-12-14 | 江苏孜航精密五金有限公司 | The resist-nailed seat regulating device of disposable rotation cast Endo-GIA |
| CN109091184A (en) * | 2018-09-11 | 2018-12-28 | 源胜泰（江苏）投资发展有限公司 | A kind of limit-type stapler |
| CN109077766A (en) * | 2018-09-25 | 2018-12-25 | 常州市康迪医用吻合器有限公司 | Disposable linear anastomat |
| CN112353435A (en) * | 2020-11-03 | 2021-02-12 | 宝玛医疗科技(无锡)有限公司 | Endoscopic surgery cutting anastomat capable of avoiding damaging non-cutting tissues |
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