CN101507646B

CN101507646B - Vascular clamp die

Info

Publication number: CN101507646B
Application number: CN2009100971743A
Authority: CN
Inventors: 钟鸣; 申屠银光
Original assignee: Hangzhou Kangji Medical Instrument Co Ltd
Current assignee: Hangzhou Kangji Medical Instrument Co Ltd
Priority date: 2009-03-26
Filing date: 2009-03-26
Publication date: 2012-08-22
Anticipated expiration: 2029-03-26
Also published as: CN101507646A

Abstract

The invention relates to a vascular clamp mould including an upper mould and a lower mould, characterized in that the vascular clamp mould is composed of a vascular clamp mould groove, a mould gate and a runner. The vascular clamp mould groove includes clamping bar grooves respectively corresponding to a clamping bar, a clamping hook, a clamping seat, a clamping rod seat of the vascular clamp, a clamping hook groove, a clamping seat groove, and a clamping bar seat groove. The mould gate, the runner and the vascular clamp mould groove are mutually communicated. The vascular clamp mould grooves are symmetrically arranged on the upper mould and the lower mould. The runner adopts a tunnel type runner. The corresponding surfaces of the two clamping bars of the vascular clamp of the invention are provided with correspondingly matched clamping teeth. The vascular clamp mould groove is provided with a clamping tooth groove corresponding to the clamp teeth. Compared with the prior art, the invention has the following advantages and effects: the vascular clamp mould has reasonable and brief structure and design, convenient use and low cost.

Description

A kind of vascular clamp mould

Technical field

The present invention relates to a kind of vascular clamp mould, it is exclusively used in the vascular clamp of making ad hoc structure.

Background technology

In human body Wicresoft laparoscopic procedures,, need excision in case in the human body body, find focus; In inadvertent closure, blood vessel needs the permanent folder that block to close with the capillary organ in the body, and prior art one is folder in the body to be closed the position carry out suturing with thread management and press from both sides and close; Its defective is that operating time is long, and operating difficulty is big, requires operative doctor must possess the stitching knotting level of high-tech; Tightly can not cause loose ends or off-line phenomenon just in case toe-in is pricked, cause patient's internal hemorrhage, and wound healing be slow; The 2nd, other closed clamps are also arranged, such as titanium folder commonly used, its defective is: the one, the titanium folder is a metal material, patient has the nuclear-magnetism influence at CT and ultrasound diagnosis; The 3rd, it is long that Titanium is clipped in the interior time of human body body, might dissociate to other positions of human body, causes other cause of diseases of human body; The 4th, the Titanium folder after patient need treat wound healing, carries out second operation and takes out the Titanium folder.Thereby satisfied not ideal surgical effect.

Open day is 19 days Chinese patent open file CN101088737A of December in 2007; This open file discloses a kind of injection mould; This injection mould comprises second die that one first die and is provided with die cavity and matches with this first die, and this second die offers a runner in this die cavity, and this injection mould also comprises all top elements; A through hole is offered in the below, position of this second die Workpiece shaping in this die cavity; This is cut top element and is placed in this through hole, and this is cut, and top element is retreated and the square on it cavity that stays is communicated with this runner formation cast gate, and injection raw material pours into from the hole of first die top; Flow in the die cavity through parallel runner again, make this cut top element during the end of mould injection and advance gate cutting.Owing to need cut top element and supporting through hole, make and use by complex structure inconvenient; Because injection raw material pours into from the hole of first die top, flow in the die cavity through parallel runner again, that is to say needs L shaped runner, makes that the raw material ratio that is trapped in the runner is more, and complex structure, waste is many, cost is high; Because this die cavity is located in second die, make second die, first die asymmetric, the taking-up after the making of inconvenient model and production are good with respect to groove or core that product forms.

Summary of the invention:

Technical problem to be solved by this invention is to overcome the above-mentioned deficiency that exists in the prior art, and a kind of vascular clamp mould is provided, and this mould structure is succinct, and is easy to use, and making and use cost are all low; Through the vascular clamp reasonable in design that this vascular clamp Mold Making goes out, folder closes effective.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: this vascular clamp mould; Comprise upper die and lower die; It is characterized in that said vascular clamp mould is made up of vascular clamp mold slots, mould gate and runner, the external form of vascular clamp is a V-type, and vascular clamp is provided with clamping bar, folder hook, holder, clamping bar seat; Two clamping bars in both sides are bending and connect; The head of a clamping bar is provided with folder hook and clamping bar seat, and the holder that the head of another clamping bar is provided with the clamping bar seat and cooperates with the folder hook, said vascular clamp adopt elastomeric material to process; Said vascular clamp mold slots comprises respectively with the clamping bar of vascular clamp, folder hook, holder, clamping bar groove that the clamping bar seat is corresponding, presss from both sides hook groove, holder groove, clamping bar seat groove; Mould gate, runner, the mutual UNICOM of vascular clamp mold slots, the vascular clamp mold slots is symmetricly set on the upper die and lower die, and said runner adopts the tunnel-shaped runner.

Two clamping bar corresponding surfaces of vascular clamp according to the invention are provided with the folder tooth of corresponding matching, and said vascular clamp mold slots is provided with the folder teeth groove corresponding with pressing from both sides tooth.

The present invention compared with prior art has the following advantages and effect: through the vascular clamp reasonable in design that this vascular clamp Mold Making goes out, folder closes effective, the safety easy to use of performing the operation, and reliability is high.This mould structure is succinct, and is easy to use, and making and use cost are all low.

Description of drawings:

Fig. 1 is the structural representation of embodiment of the invention vascular clamp.

Fig. 1 a looks enlarged drawing for the left side, A place of Fig. 1.

Fig. 1 b looks enlarged drawing for the right side, B place of Fig. 1.

Structural representation when Fig. 2 is embodiment of the invention vascular clamp closure.

Fig. 3 is the left view of Fig. 2.

Fig. 4 is the structural representation of embodiment of the invention vascular clamp mould.

Structural representation when Fig. 5 is embodiment of the invention practical application.

Structural representation when vascular clamp was closed when Fig. 6 was embodiment of the invention practical application.

Fig. 7 is the sketch map of embodiment of the invention manufacture method.

The specific embodiment:

Referring to accompanying drawing; The external form of embodiment of the invention vascular clamp is V-shaped; Vascular clamp is provided with clamping bar 1, folder tooth 2, folder hook 3, holder 4, folder elbow 5, clamping bar seat 6, clamping bar 1, folder tooth 2, folder hook 3, holder 4, folder elbow 5 and clamping bar seat 6 injection moulding stripping formings (Fig. 1, Fig. 1 a, Fig. 1 b), and two clamping bars 1 in both sides are bending; The head of a clamping bar 1 is provided with folder hook 3 and clamping bar seat 6; The head of another clamping bar 1 is provided with clamping bar seat 6 and is provided with the folder tooth 2 of corresponding matching with 4, two clamping bar 1 corresponding surfaces of holder of cooperating of folder hook 3, makes vascular clamp when clamping, under the effect of pressing from both sides tooth 2, can arbitrarily not be shifted; Guarantee that vascular clamp is firm at the human body internal fixation, can not dissociate to other positions of human body; Both can be used for the permanent closure of blood in human body in pipe; Also can be used for the permanent folder that blocks of the interior capillary organ of human body closes; Two clamping bars 1 pass through folder elbow 5 connections of bottom; Said vascular clamp adopts elastomeric material to process so that vascular clamp has certain elasticity, when clamping bar 1 can guarantee to press from both sides when stressed crooked (flexibility is bigger) again hook 3 snaps in holder 4 and under clamping bar 1, folder elbow 5 elastic reactions folder hook 3 and holder 4 mutually chucking throw off never.

Embodiment of the invention occluding forceps 7 cooperates with vascular clamp, and occluding forceps 7 is provided with the occluding forceps cover hook 71 that is connected as a single entity, and occluding forceps cover hook 71 cooperates with clamping bar seat 6.

Embodiment of the invention vascular clamp mould is provided with vascular clamp mold slots 8, and said vascular clamp mold slots 8 comprises respectively with clamping bar, folder hook, holder, clamping bar groove that the clamping bar seat is corresponding, presss from both sides hook groove, holder groove, clamping bar seat groove.

Embodiment of the invention vascular clamp mold slots 8 also can be provided with respectively with clamping bar, folder tooth, folder hook, holder, clamping bar groove, folder teeth groove that the clamping bar seat is corresponding, press from both sides hook groove, holder groove, clamping bar seat groove.

Vascular clamp mold slots 8 is symmetricly set on patrix 9 and the counterdie 10, and patrix 9 is provided with mould gate 11 and tunnel-shaped runner 12, mould gate 11, tunnel-shaped runner 12, vascular clamp mold slots 8 mutual UNICOMs.

During practical application, vascular clamp is inserted in 7, two clamping bar seats 6 of occluding forceps is inserted in two occluding forceps cover hooks 71 (Fig. 5) just; Vascular clamp is aimed at the blood vessel that will seal; The occluding forceps 7 of holding with a firm grip, occluding forceps 7 clamps, and the folder hook 3 of closed clamp and holder 4 chucking mutually forever can not thrown off (Fig. 6); Unclamp occluding forceps 7, vascular clamp is a clamp blood vessels.Vascular clamp is curved (Fig. 2) after clamping, and when folder hook 3 snapped in holder 4, folder hook 3 was stuck in (Fig. 3) between the clamping bar seat 6 just.

The manufacturing process of embodiment of the invention vascular clamp:

Vascular clamp manufacture method of the present invention at first is the early-stage preparations step, and the groundwork that this step is accomplished is: in manufacture process, the workshop must possess bacterium control and temperature control; The employee gets into the workshop must dress special-purpose working clothing and medicated cap; And carry out disinfection by ultraviolet light, necessary often ultraviolet and pharmacy disinfection prevent the intrusion of antibacterial in the workshop; In 100,000 grades of cleaning shops, manufacture, guarantee the normal operation of producing.Early-stage preparations are prior art.

Early-stage preparations of the present invention are carried out following steps after accomplishing: the plant corn carries out normal pressure catalysis reacting by heating, extracts its solution, in solution, adds a spot of comonomer dioxolanes (molecular formula C ₃H ₆O ₂) carry out polymerisation in solution and generate the synthetic plastic resin; The synthetic plastic resin is dried dry processing through 120 ℃ of (time control 3～4 hours) wind; Application vascular clamp mould carries out injection moulding and goes into mould and form vascular clamp; The vascular clamp sterilization packs, and the process conditions when wherein injection moulding is gone into mould and formed vascular clamp are:

1. synthetic plastic resin fusion temperature is 190～230 ℃;

2. for reducing the molding post-shrinkage ratio, mold temperature is controlled at 80～105 ℃;

3. injection pressure: 700～1200bar.

The material of vascular clamp of the present invention is to use the synthetic plastic resin, and according to the function of synthetic plastic resin, the vascular clamp smooth surface, quality is hard, density is high; Water absorption is little, dimensionally stable, and stretch intensity big (70MPa); Wearability and self lubricity are superior, have heat resistanceheat resistant intensity and bending strength, and fatigue resistance is strong, have good oil resistant, resistance to oxidation thing and chemical resistance; Temperature is controlled at scope big (40～100 ℃) and stable, nonpoisonous and tasteless, can life-time service.

Its main feature is:

1. closed clamp head button with lock can not come off, and has improved the safety of operation, reduces operation risk; 2. can take off easily, make things convenient for doctor's operation technique;

3. it is simple, fast to go up folder, can stop blooding rapidly, shortens operating time, reduces less patient suffering.

Vascular clamp material of the present invention adopts the synthetic plastic resin, and plastic resin is a kind of yellowish or white macromolecular material that is, and is the most tough and tensile in thermoplastic resin, and its function is:

1. smooth surface, quality is hard, density is high, is the most tough and tensile in thermoplastic resin;

2. water absorption is little, and dimensionally stable is stretched intensity and reached 70MPa;

3. wearability and self lubricity are superior, have heat resistanceheat resistant intensity and bending strength, and fatigue resistance is strong, and good oil resistant, resistance to oxidation thing and chemical resistance are arranged;

4. plastic resin is the most stable in-40-100 ℃ temperature range, and is nonpoisonous and tasteless, can life-time service.

Body temperature is about 37 ℃; The synthetic plastic resin is applied to Wicresoft's laparoscopic surgery; Blood vessel and capillary organ folder closes the permanent closed clamp that blocks in the human body body; Its structure Design has reasonably been used the function of plastic resin, and folder closes effective, operation and uses convenient and safe in the human body body.

Claims

1. a vascular clamp mould comprises upper die and lower die, it is characterized in that: said vascular clamp mould is made up of vascular clamp mold slots, mould gate and runner; The external form of vascular clamp is a V-type; Vascular clamp is provided with clamping bar, folder hook, holder, clamping bar seat, and two clamping bars in both sides are bending and connect, and the head of a clamping bar is provided with folder hook and clamping bar seat; The holder that the head of another clamping bar is provided with the clamping bar seat and cooperates with the folder hook; Said vascular clamp adopts elastomeric material to process, and said vascular clamp mold slots comprises respectively with the clamping bar of vascular clamp, folder hook, holder, clamping bar groove that the clamping bar seat is corresponding, presss from both sides hook groove, holder groove, clamping bar seat groove, mould gate, runner, the mutual UNICOM of vascular clamp mold slots; The vascular clamp mold slots is symmetricly set on the upper die and lower die, and said runner adopts the tunnel-shaped runner.

2. vascular clamp mould according to claim 1 is characterized in that: two clamping bar corresponding surfaces of said vascular clamp are provided with the folder tooth of corresponding matching, and said vascular clamp mold slots is provided with the folder teeth groove corresponding with pressing from both sides tooth.