CN107714121A - Resist-nailed seat component of disposable hysteroscope internal cutting stapler and preparation method thereof - Google Patents
Resist-nailed seat component of disposable hysteroscope internal cutting stapler and preparation method thereof Download PDFInfo
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- CN107714121A CN107714121A CN201711114873.5A CN201711114873A CN107714121A CN 107714121 A CN107714121 A CN 107714121A CN 201711114873 A CN201711114873 A CN 201711114873A CN 107714121 A CN107714121 A CN 107714121A
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- resist
- nailed seat
- nailed
- head
- seat
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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
- A61B17/068—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
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The present invention relates to a kind of resist-nailed seat component of disposable hysteroscope internal cutting stapler and preparation method thereof, the resist-nailed seat component of disposable hysteroscope internal cutting stapler supports the use with disposable hysteroscope internal cutting stapler, especially suitable for applying the disposable intracavitary Endo-GIA of line row on intraluminal tissue.Including resist-nailed seat head, resist-nailed seat and resist-nailed seat lid；Resist-nailed seat mounting groove is provided with above resist-nailed seat head front bottom end, the front portion of resist-nailed seat head is provided with staple cartridge tray mating groove above, and resist-nailed seat head bottom is provided with cutter mounting groove；Resist-nailed seat back of head is provided with connecting tube slide head；Resist-nailed seat lid mounting groove is provided below in resist-nailed seat head front bottom end；Cutting cutter groove is provided with the middle part of resist-nailed seat, resist-nailed seat rear end is provided with resist-nailed seat construction section；Resist-nailed seat, which covers, is provided with resist-nailed seat installation side, welded and installed resist-nailed seat；Resist-nailed seat cover back-end is provided with resist-nailed seat lid construction section, in the resist-nailed seat lid mounting groove below resist-nailed seat head front bottom end, being welded and fixed.
Description
Technical field
The present invention relates to a kind of resist-nailed seat component of disposable hysteroscope internal cutting stapler and preparation method thereof, once
The resist-nailed seat component of property hysteroscope internal cutting stapler supports the use with disposable hysteroscope internal cutting stapler, especially suitable in chamber
Apply the disposable intracavitary Endo-GIA of line row in inner tissue.
Background technology
Traditional surgical operation includes cutting, separation, ligation, hemostasis, suture, be finally reached excision to organ lesion and
The reconstruction of organ.Mechanical staplers can replace traditional operation, and the excision of diseased organ is realized by following three basic operations
And reconstruction：1st, separate：Organ is sutured away from lesion certain distance using linear staplers, including parenchymatous organ and chamber
Road organ, blood vessel etc., then detachment excision diseased organ, or suture and detachment are disposably completed using linear incision stitching unstrument.
2nd, the tissue apposition sutured will be needed, with linear staplers stapling, such as the rip cutting transverse joint at pylorus, completes pylorus shaping
Art.3rd, with anastomosis ring applicator, cavity organ such as oesophagus, stomach, small intestine, colon can be subjected to end to end anastomosis, end with very convenient
Side-to-side anastomosis.Stomach and intestine side to side anastomosis can be carried out using stapler.Such as nodus hemorrhoidalis end-to-end intestinal anastomosis, gastric and esophageal end-to-side anastomosis
Art and stomach jejunum side-to-side anastomosis etc..
In abdominal cavity formula and/or it is interior peep in surgical procedure, surgical procedure by the small otch with patient or insertion wound it is narrow
Narrow sleeve pipe is carried out.During traditional or open, doctor directly contacts operative site.Because the patient of its reduction creates
Wound, shorten patient's convalescence and significantly reduce overall cost, formula operation opposing open operation in abdominal cavity has advantage.Within coordinating
The real needs of surfing style and abdominal cavity formula, spy robotic suturing device, which has been developed that, to be enabled the clinician to relatively easily contact operative site.
Typically, these suture instrumentses include being supported on the tool component being hinged for approaching robotic suturing device end.The tool component can
Enabled the surgeon to manipulate operation device in limited space by selectively manipulation.These instruments to it is interior peep operation provide it is aobvious
The medical benefit of work.Improved to some extent nevertheless, it is desirable to reduce and manufacture in complexity in cost.
The resist-nailed seat of disposable hysteroscope internal cutting stapler has two kinds of forms at present, and a kind of is split, but it is driven
Part is all working of plastics, and intensity is relatively weak, in the presence of certain risk during operation.Another is overall, although driving section
Point be metalwork, but because its processing mode is overall processing, processing is more complicated, take long, cost is high, be not suitable for
Industrialized mass production.
The content of the invention
The present invention seeks to provide a kind of resist-nailed seat group of disposable hysteroscope internal cutting stapler for above-mentioned weak point
Part and preparation method thereof, supported the use with disposable hysteroscope internal cutting stapler, installed in disposable hysteroscope internal cutting stapler
Clamping stapling apparatus in, by cutter and clamp ring double locking, when closing jaw, suction is bigger, can will tissue folder
It is tighter, reduce jaw it is not tight enough caused by operation risk.Disposable hysteroscope internal cutting stapler, can make hand with one-handed performance
Art is more coherent, and doctor can vacate hand and take other apparatuses, reduces operating time, reduces operation risk, and pain is reduced to patient
It is bitter.The resist-nailed seat component of disposable hysteroscope internal cutting stapler uses split type processing method, by resist-nailed seat head, resist-nailed seat,
Resist-nailed seat lid is welded, and resist-nailed seat head, is made using powder metallurgical technique, and resist-nailed seat and resist-nailed seat lid use mould punching shape
Into, it is finally integral using laser welding, difficulty of processing is reduced, reduces cost, it is possible to achieve mass production.
Resist-nailed seat component of disposable hysteroscope internal cutting stapler and preparation method thereof is realized using following technical scheme
's：
The resist-nailed seat component of disposable hysteroscope internal cutting stapler includes resist-nailed seat head, resist-nailed seat and resist-nailed seat lid.Resist-nailed seat head
Resist-nailed seat mounting groove is provided with above front bottom end, the front portion of resist-nailed seat head is provided with staple cartridge tray mating groove, resist-nailed seat head above
Bottom is provided with cutter mounting groove, for installing cutter.Resist-nailed seat back of head is provided with connecting tube slide head, and connecting tube is slided
Dynamic cylindrical, and for being set with connecting tube, connecting tube can be slided on connecting tube slide head；It is provided with connecting tube slide head
Resist-nailed seat lid mounting groove is provided below in staple cartridge tray mounting hole and resist-nailed seat pin mounting hole, resist-nailed seat head front bottom end.
Cutting cutter groove is provided with the middle part of resist-nailed seat, the slip for cutter；Resist-nailed seat rear end is provided with resist-nailed seat installation
Section, the both sides of resist-nailed seat construction section are provided with installation inclined-plane, for coordinating in the resist-nailed seat mounting groove of resist-nailed seat head, and
It is welded and fixed.Resist-nailed seat construction section contiguous block is provided with the middle part of resist-nailed seat construction section, for connecting resist-nailed seat both sides, in resist-nailed seat
During processing, ensure the flatness in resist-nailed seat face, after the completion of resist-nailed seat weld assembly, then cut off, ensure that cutter can smooth cunning
It is dynamic.Staple formation groove is provided with above resist-nailed seat, for staple formation.
Resist-nailed seat, which covers, is provided with resist-nailed seat installation side, for welded and installed resist-nailed seat.Resist-nailed seat cover back-end be provided with to
Nail seat lid construction section, in the resist-nailed seat lid mounting groove below resist-nailed seat head front bottom end, and it is welded and fixed.To nail
Flap is integrally curved, and head is tapered, and after being welded with resist-nailed seat, middle part is in cavity, is easy to cutter to slide.
Resist-nailed seat coordinates the resist-nailed seat mounting groove installed in resist-nailed seat head by the installation inclined-plane of resist-nailed seat construction section both sides
Interior, the resist-nailed seat lid construction section of resist-nailed seat cover back-end is arranged on the resist-nailed seat lid mounting groove below the front bottom end of resist-nailed seat head
It is interior, while the resist-nailed seat installation side that resist-nailed seat covers coordinates in resist-nailed seat bottom.After placing, using laser welding, nail will be supported
Seat, resist-nailed seat head, resist-nailed seat lid are welded and fixed integrally.
The preparation method step of the resist-nailed seat component of disposable hysteroscope internal cutting stapler is as follows：
1st, resist-nailed seat head makes, by Powder Metallurgy Injection Moulding machine, using mould, first by solid powder and organic binder bond
Uniformly it is kneaded, with solidified forming in injection machine injection die cavity, heating plasticizing temperature under heating plasticizing state after granulation
For 120 DEG C~150 DEG C, then the binding agent shaped in base is removed with the method for thermal decomposition, heat decomposition temperature is at 250 DEG C -300
DEG C, last sintered densification obtains product, and sintering temperature is at 1200 DEG C -1400 DEG C, after cooling, is handled through burring finishing
Afterwards, resist-nailed seat head final finished is obtained.
Described metal dust is 22 with organic binder bond weight：2-3.
Described metal dust using 1Crl3,2crl3,1Crl7Mo, 00Cr18Nil0,00Cr17Nil4M02 or
OCrl7N14Cu4Nb powder of stainless steel.Described organic binder bond is bonded from wax-based binder, ethylenic copolymer, oil base
Agent, polyacetals based binder, aqueous binders, gel aqueous based systems binding agent or acrylic glue.
2nd, resist-nailed seat makes, and by stamping machine, using blanking die, obtains resist-nailed seat blank, while cut cutter groove punching press
Shaping, then using mould, extrude staple formation groove.Blanking uses 60 tons of punch presses, and shaping uses 200 tons of press.It is described
Resist-nailed seat use 2Cr13 materials, heat treatment hardness is in 42-46HRC.
3rd, resist-nailed seat lid makes, and by stamping machine, using blanking die, obtains resist-nailed seat lid blank, then using shaping mould
Tool, resist-nailed seat lid radian is extruded, obtains finished product resist-nailed seat lid.Blanking uses 60 tons of punch presses, and shaping uses 200 tons of press.It is described
Resist-nailed seat lid use 2Cr13 materials, heat treatment hardness is in 42-46HRC.
4th, using welding tooling, first resist-nailed seat is placed in frock, then resist-nailed seat head is placed in frock, and will be supported
Nail seat is coordinated in the resist-nailed seat mounting groove of resist-nailed seat head, finally put by the installation inclined-plane of resist-nailed seat construction section both sides
Enter resist-nailed seat lid, and the resist-nailed seat lid construction section of resist-nailed seat cover back-end is arranged on below the front bottom end of resist-nailed seat head and supports nail
In flap mounting groove, while the resist-nailed seat installation side that resist-nailed seat covers coordinates in resist-nailed seat bottom.After placing, protected using argon gas
Laser welding is carried out in the case of shield, 1250 DEG C -1350 DEG C of bath instantaneous temperature, resist-nailed seat, resist-nailed seat head, resist-nailed seat lid are welded
Connect and be integrally fixed.
5th, after the completion of resist-nailed seat weld assembly, the resist-nailed seat construction section contiguous block set in the middle part of resist-nailed seat construction section is cut
Remove, ensure that cutter can smooth slip.
6th, above-mentioned resist-nailed seat component is cleaned by polishing, ultrasonic wave, 40 DEG C -60 DEG C of drying temperature, that is, be made disposable
The resist-nailed seat component finished product of hysteroscope internal cutting stapler.
Operation principle
The resist-nailed seat component of disposable hysteroscope internal cutting stapler supports the use with disposable hysteroscope internal cutting stapler, is arranged on
In the clamping stapling apparatus of disposable hysteroscope internal cutting stapler, flexible handle, connecting tube of the connecting tube in resist-nailed seat head are pressed
Slided on slide head, while cutter clamp jaw closure, start to perform the operation toward front slide.
During operation, it is that resist-nailed seat is inserted into tissue, staple cartridge tray and Qi Nei anastomosis staples etc., closes grip tissue, so,
Anastomosis staple in nail bin does not contact before stepping up to coincide with tissue, by group when will not make the anastomosis staple in nail bin be contacted with tissue
Ribbon goes out, and reduces operation risk, still further aspect, and resist-nailed seat thickness is less than the thickness of staple cartridge tray, and fixation is used as by the use of resist-nailed seat
Part, insertion tissue, it is necessary to space it is smaller, reduce the pain brought of operation, can more meet the requirement of Minimally Invasive Surgery.Running part
All metalworks, during clamping, intensity is stronger, reduces the risk that jaw is opened in operation.
The preparation method of the resist-nailed seat component of disposable hysteroscope internal cutting stapler is reasonable in design, is made using powder metallurgy
Resist-nailed seat head, PM technique can quickly manufacture high density, high accuracy, the constitutional detail of three-dimensional complex shapes, can be fast
Design philosophy is turned materially the product with certain structure, functional characteristic by speed exactly, and can directly mass-produce part, should
Technology not only have the advantages that process it is few, without cutting or few cutting, high financial profit, it is and raw particularly suitable for high-volume
Produce metal parts small-sized, complicated and with particular/special requirement.
The resist-nailed seat component of disposable hysteroscope internal cutting stapler makes resist-nailed seat and resist-nailed seat lid, punching press using stamping machine
The production efficiency of processing is high, and easy to operate, it is easy to accomplish mechanization and automation, because mould ensure that stamping parts during punching press
Size and shape precision, and the general surface quality for not destroying stamping parts, and the life-span of mould is general longer, so punching press
Steady quality, interchangeability is good, has the feature of " striking resemblances ".The generation of punching press typically no chip particle, the consumption of material compared with
Few, and be not required to other firing equipments, thus be a kind of material-saving, the processing method of energy-conservation, the cost of stamping parts is relatively low.
The resist-nailed seat component of disposable hysteroscope internal cutting stapler is the once new change of manufacturing technology industry.The technique skill
Art not only have the advantages that conventional powder metallurgical technique process it is few, without cutting or few cutting, high financial profit, and overcome biography
Unite powder metallurgical technique product, the shortcomings that material is uneven, mechanical performance is low, it is forming thin-walled to be not easy, labyrinth, be particularly suitable for
In produce in enormous quantities it is small-sized, complicated and with particular/special requirement metal parts.
The resist-nailed seat component of disposable hysteroscope internal cutting stapler uses split type processing method, by resist-nailed seat head, supports
Nail seat, resist-nailed seat lid are welded, and resist-nailed seat head, are made using powder metallurgical technique, and resist-nailed seat and resist-nailed seat lid use mould
It is stamped and formed out, it is finally integral using laser welding, difficulty of processing is reduced, reduces cost, it is possible to achieve mass production.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described：
Fig. 1 is the resist-nailed seat component structure diagram of disposable hysteroscope internal cutting stapler;
Fig. 2 is the resist-nailed seat header structure schematic diagram of the resist-nailed seat component of disposable hysteroscope internal cutting stapler;
Fig. 3 is the resist-nailed seat head upward view of the resist-nailed seat component of disposable hysteroscope internal cutting stapler;
Fig. 4 is the resist-nailed seat structural representation of the resist-nailed seat component of disposable hysteroscope internal cutting stapler;
Fig. 5 is the resist-nailed seat lid structural representation of the resist-nailed seat component of disposable hysteroscope internal cutting stapler.
Embodiment
Referring to the drawings 1-5, the resist-nailed seat component of disposable hysteroscope internal cutting stapler include resist-nailed seat first 2, resist-nailed seat 1,
Resist-nailed seat lid 3.Resist-nailed seat mounting groove 2-1 is provided with above first 2 front bottom end of resist-nailed seat, the front portion of resist-nailed seat first 2 is set above
There is staple cartridge tray mating groove 2-2, first 2 bottom of resist-nailed seat is provided with cutter mounting groove 2-3, for installing cutter.Resist-nailed seat first 2
Rear portion is provided with connecting tube slide head 2-4, and connecting tube slide head 2-4 is cylindrical, and for being set with connecting tube, connecting tube can be even
Slided on adapter slide head；Staple cartridge tray mounting hole 2-5 and resist-nailed seat pin mounting hole 2-6 are provided with connecting tube slide head 2-4, is supported
Resist-nailed seat lid mounting groove 2-7 is provided below in first 2 front bottom end of nail seat.
The middle part of resist-nailed seat 1 is provided with cutting cutter groove 1-1, the slip for cutter；The rear end of resist-nailed seat 1 is provided with resist-nailed seat
Construction section 1-2, resist-nailed seat construction section 1-2 both sides are provided with installation inclined-plane 1-3, and nail is supported installed in resist-nailed seat head for coordinating
In seat mounting groove 2-1, and it is welded and fixed.Resist-nailed seat construction section contiguous block 1-5 is provided with the middle part of resist-nailed seat construction section 1-2, is used for
Resist-nailed seat both sides are connected, when resist-nailed seat is processed, ensure the flatness in resist-nailed seat face, after the completion of resist-nailed seat weld assembly, then
Excision, ensure that cutter can be with smooth slip.Staple formation groove 1-4 is provided with above resist-nailed seat, for staple formation.
Resist-nailed seat installation side 3-1 is provided with resist-nailed seat lid 3, for welded and installed resist-nailed seat.The rear end of resist-nailed seat lid 3 is set
There is resist-nailed seat lid construction section 3-2, in the resist-nailed seat lid mounting groove 2-7 below first 2 front bottom end of resist-nailed seat, and weld
Connect fixation.Resist-nailed seat lid 3 is overall curved, and head is tapered, and after being welded with resist-nailed seat 1, middle part is in cavity, is easy to cutter to slide
It is dynamic.
Resist-nailed seat 1 coordinates by the installation inclined-plane 1-3 of resist-nailed seat construction section 1-2 both sides and supports nail installed in resist-nailed seat first 2
In seat mounting groove 2-1, the resist-nailed seat lid construction section 3-2 of the rear end of resist-nailed seat lid 3 is arranged on below the front bottom end of resist-nailed seat first 2
In resist-nailed seat lid mounting groove 2-7, while the resist-nailed seat installation side on resist-nailed seat lid 3 coordinates in resist-nailed seat bottom.After placing, adopt
With laser welding, by resist-nailed seat 1, resist-nailed seat first 2, resist-nailed seat lid 3 is welded and fixed integrally.
The preparation method step of the resist-nailed seat component of disposable hysteroscope internal cutting stapler is as follows：
1st, resist-nailed seat first 2 makes, by Powder Metallurgy Injection Moulding machine, using mould, first by solid powder and organic adhesive
Agent is uniformly kneaded, with solidified forming in injection machine injection die cavity, heating plasticizing temperature under heating plasticizing state after granulation
Spend for 120 DEG C~150 DEG C, then with thermal decomposition method will shape base in binding agent remove, heat decomposition temperature 250 DEG C-
300 DEG C, last sintered densification obtains product, and sintering temperature cooling, is handled at 1200 DEG C -1400 DEG C through burring finishing
Afterwards, resist-nailed seat head final finished is obtained.
Described metal dust is 22 with organic binder bond weight：2-3.
Described metal dust using 1Crl3,2crl3,1Crl7Mo, 00Cr18Nil0,00Cr17Nil4M02 or
OCrl7N14Cu4Nb powder of stainless steel.Described organic binder bond is bonded from wax-based binder, ethylenic copolymer, oil base
Agent, polyacetals based binder, aqueous binders, gel aqueous based systems binding agent or acrylic glue.
2nd, resist-nailed seat 1 makes, and by stamping machine, using blanking die, obtains resist-nailed seat blank, while cut cutter groove punching press
Shaping, then using mould, extrude staple formation groove.Blanking uses 60 tons of punch presses, and shaping uses 200 tons of press.It is described
Resist-nailed seat use 2Cr13 materials, heat treatment hardness is in 42-46HRC.
3rd, resist-nailed seat lid 3 makes, and by stamping machine, using blanking die, obtains resist-nailed seat lid blank, then using shaping mould
Tool, resist-nailed seat lid radian is extruded, obtains finished product resist-nailed seat lid.Blanking uses 60 tons of punch presses, and shaping uses 200 tons of press.It is described
Resist-nailed seat lid use 2Cr13 materials, heat treatment hardness is in 42-46HRC.
4th, using welding tooling, first resist-nailed seat 1 is placed in frock, then resist-nailed seat first 2 is placed in frock, and will
Resist-nailed seat 1 coordinates the resist-nailed seat mounting groove installed in resist-nailed seat first 2 by the installation inclined-plane 1-3 of resist-nailed seat construction section 1-2 both sides
In 2-1, resist-nailed seat lid 3 is finally putting into, and by the resist-nailed seat lid construction section 3-2 of resist-nailed seat cover back-end before resist-nailed seat head
Hold in the resist-nailed seat lid mounting groove 2-7 below bottom, while the resist-nailed seat installation side on resist-nailed seat lid 3 coordinates at the bottom of resist-nailed seat 1
Portion.After placing, laser welding is carried out in the case of being protected using argon gas, 1250 DEG C -1350 DEG C of bath instantaneous temperature, nail will be supported
Seat 1, resist-nailed seat are first 2, resist-nailed seat lid 3 is welded and fixed integrally.
5th, after the completion of resist-nailed seat weld assembly, the resist-nailed seat construction section set in the middle part of resist-nailed seat construction section 1-2 is connected
Block 1-5 is cut off, and ensures that cutter can smooth slip.
6th, above-mentioned resist-nailed seat component is cleaned by polishing, ultrasonic wave, drying, 40 DEG C -60 DEG C of drying temperature is made one
The resist-nailed seat component finished product of secondary property hysteroscope internal cutting stapler.
Claims (10)
- A kind of 1. resist-nailed seat component of disposable hysteroscope internal cutting stapler, it is characterised in that：Including resist-nailed seat head, resist-nailed seat and Resist-nailed seat lid；Resist-nailed seat mounting groove is provided with above resist-nailed seat head front bottom end, the front portion of resist-nailed seat head is provided with nail bin above Seat mating groove, resist-nailed seat head bottom is provided with cutter mounting groove, for installing cutter；Resist-nailed seat back of head is provided with connection Pipe slide head；Staple cartridge tray mounting hole and resist-nailed seat pin mounting hole are provided with connecting tube slide head, under resist-nailed seat head front bottom end Face is provided with resist-nailed seat lid mounting groove；Cutting cutter groove is provided with the middle part of resist-nailed seat, the slip for cutter；Resist-nailed seat rear end is provided with resist-nailed seat construction section, supports The both sides of nail seat construction section are provided with installation inclined-plane, for coordinating in the resist-nailed seat mounting groove of resist-nailed seat head, and weld It is fixed；Resist-nailed seat, which covers, is provided with resist-nailed seat installation side, for welded and installed resist-nailed seat；Resist-nailed seat cover back-end is provided with resist-nailed seat Lid construction section, in the resist-nailed seat lid mounting groove below resist-nailed seat head front bottom end, and it is welded and fixed；Resist-nailed seat is coordinated in the resist-nailed seat mounting groove of resist-nailed seat head by the installation inclined-planes of resist-nailed seat construction section both sides, The resist-nailed seat lid construction section of resist-nailed seat cover back-end is arranged in the resist-nailed seat lid mounting groove below the front bottom end of resist-nailed seat head, together When the resist-nailed seat installation side that covers of resist-nailed seat coordinate in resist-nailed seat bottom, after placing, using laser welding, resist-nailed seat supports Nail seat head, resist-nailed seat lid are welded and fixed integrally.
- 2. the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, it is characterised in that：Connecting tube Slide head is cylindrical, and for being set with connecting tube, connecting tube can be slided on connecting tube slide head.
- 3. the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, it is characterised in that：Resist-nailed seat Staple formation groove is provided with above, for staple formation.
- 4. the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, it is characterised in that：Resist-nailed seat Resist-nailed seat construction section contiguous block is provided with the middle part of construction section, for connecting resist-nailed seat both sides, when resist-nailed seat is processed, ensures to support nail The flatness of seat surface, after the completion of resist-nailed seat weld assembly, then cut off, ensure that cutter can smooth slip.
- 5. the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, it is characterised in that：Resist-nailed seat Lid is overall curved, and head is tapered, and after being welded with resist-nailed seat, middle part is in cavity, is easy to cutter to slide.
- 6. the preparation method of the resist-nailed seat component of the disposable hysteroscope internal cutting stapler described in claim 1, it is characterised in that： Step is as follows（1）Resist-nailed seat head makes, by Powder Metallurgy Injection Moulding machine, using mould, first by solid powder and organic adhesive Agent is uniformly kneaded, with solidified forming in injection machine injection die cavity, heating plasticizing temperature under heating plasticizing state after granulation Spend for 120 DEG C~150 DEG C, then with thermal decomposition method will shape base in binding agent remove, heat decomposition temperature 250 DEG C- 300 DEG C, last sintered densification obtains product, and sintering temperature cooling, is handled at 1200 DEG C -1400 DEG C through burring finishing Afterwards, resist-nailed seat head final finished is obtained；（2）Resist-nailed seat makes, and by stamping machine, using blanking die, obtains resist-nailed seat blank, while cut cutter groove and strike out Type, then using mould, extrude staple formation groove；（3）Resist-nailed seat lid makes, and by stamping machine, using blanking die, obtains resist-nailed seat lid blank, then using mould, Resist-nailed seat lid radian is extruded, obtains finished product resist-nailed seat lid；（4）Using welding tooling, first resist-nailed seat is placed in frock, then resist-nailed seat head is placed in frock, and nail will be supported Seat is coordinated in the resist-nailed seat mounting groove of resist-nailed seat head, is finally putting into by the installation inclined-plane of resist-nailed seat construction section both sides Resist-nailed seat lid, and the resist-nailed seat by the resist-nailed seat lid construction section of resist-nailed seat cover back-end below the front bottom end of resist-nailed seat head In lid mounting groove, while the resist-nailed seat installation side that resist-nailed seat covers coordinates in resist-nailed seat bottom, after placing, is protected using argon gas In the case of carry out laser welding, 1250 DEG C -1350 DEG C of bath instantaneous temperature, resist-nailed seat, resist-nailed seat head, resist-nailed seat lid are welded It is integrally fixed；（5）After the completion of resist-nailed seat weld assembly, the resist-nailed seat construction section contiguous block set in the middle part of resist-nailed seat construction section is cut off, Ensure that cutter can smooth slip；（6）By above-mentioned resist-nailed seat component by polishing, ultrasonic wave cleaning, drying, 40 DEG C -60 DEG C of drying temperature, that is, it is made once The resist-nailed seat component finished product of property hysteroscope internal cutting stapler.
- 7. the preparation method of the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, its feature It is：Described metal dust is 22 with organic binder bond weight：2-3.
- 8. the preparation method of the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, its feature It is：Described metal dust using 1Crl3,2crl3,1Crl7Mo, 00Cr18Nil0,00Cr17Nil4M02 or OCrl7N14Cu4Nb powder of stainless steel.
- 9. the preparation method of the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, its feature It is：Described organic binder bond is from wax-based binder, ethylenic copolymer, oil based binder, polyacetals based binder, water-based Binding agent, gel aqueous based systems binding agent or acrylic glue.
- 10. the preparation method of the resist-nailed seat component of disposable hysteroscope internal cutting stapler according to claim 1, its feature It is：Described resist-nailed seat uses 2Cr13 materials, and heat treatment hardness is in 42-46HRC；Described resist-nailed seat lid uses 2Cr13 materials Material, heat treatment hardness is in 42-46HRC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108742790A (en) * | 2018-07-10 | 2018-11-06 | 常州市康蒂娜医疗科技有限公司 | A kind of sheet metal structural circumcision stapler resist-nailed seat and preparation method thereof |
| CN111202554A (en) * | 2020-02-25 | 2020-05-29 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Nail pushing plate matched with suturing nail and manufacturing method |
| CN111374724A (en) * | 2018-12-29 | 2020-07-07 | 江苏风和医疗器材股份有限公司 | Preparation process of suturing nail forming part |
| CN112587189A (en) * | 2020-11-16 | 2021-04-02 | 美科特医疗科技(苏州)有限公司 | Stapler nail abutting seat assembly and manufacturing method thereof |
| CN113648007A (en) * | 2021-08-16 | 2021-11-16 | 昆山振金精密科技有限公司 | Stapler nail abutting seat assembly and processing and manufacturing method thereof |
| JP2021534865A (en) * | 2018-08-20 | 2021-12-16 | エシコン エルエルシーEthicon LLC | Manufacturing technology for anvils for surgical staplers |
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| CN111202554A (en) * | 2020-02-25 | 2020-05-29 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Nail pushing plate matched with suturing nail and manufacturing method |
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| CN113648007A (en) * | 2021-08-16 | 2021-11-16 | 昆山振金精密科技有限公司 | Stapler nail abutting seat assembly and processing and manufacturing method thereof |
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