CN102824201A - Circular purse-string forceps capable of automatically sewing in purse way - Google Patents

Abstract

Translated fromChinese

本发明是有关于一种可自动打荷包的圆形荷包钳，包括固定钳体、活动钳体和缝针组件，其中：固定钳体包括固定手柄和固定头部，固定头部一侧设有弧形齿状边缘；活动钳体包括把手部、叉形部和弧形头部，弧形头部设有可与固定头部闭合的齿状结构，叉形部后端与把手部固定连接，叉形部的两个前端分别与弧形头部的两端固定连接；固定钳体的固定手柄穿过活动钳体的叉形部，并通过固定销可转动连接，固定钳体的固定头部和活动钳体的弧形头部闭合形成的荷包钳头部内设有环形缝针滑槽；缝针组件安装在所述的环形缝针滑槽内。本发明能够保证荷包处组织适量，可自动、方便、可靠的打荷包。

The invention relates to a circular purse pliers capable of automatically making a purse, which includes a fixed pliers body, a movable pliers body and a sewing needle assembly, wherein: the fixed pliers body includes a fixed handle and a fixed head, and one side of the fixed head is provided with Arc-shaped toothed edge; the movable pliers body includes a handle part, a fork-shaped part and an arc-shaped head. The arc-shaped head is provided with a tooth-shaped structure that can be closed with the fixed head. The two front ends of the fork are respectively fixedly connected with the two ends of the arc-shaped head; the fixed handle of the fixed pliers passes through the fork of the movable pliers, and is rotatably connected by a fixed pin, and the fixed head of the fixed pliers The purse pliers head formed by closing the arc-shaped head of the movable pliers body is provided with an annular needle chute; the needle assembly is installed in the annular needle chute. The invention can ensure proper amount of tissue in the purse, and can automatically, conveniently and reliably pack the purse.

Description

A kind of circular pocket pincers that can play pocket automatically

Technical field

The present invention relates to medical instruments field, particularly relate to a kind of circular pocket pincers that can play pocket automatically.

Background technology

In the orthopaedic surgical operations operation, since inventing the first seam nail series products sixties in 20th century, medical anastomat has become requisite a kind of medical apparatus and instruments in the auxiliary edge of a knife sewing process.

Along with the development of medical science and the research and development of medical device product, increasing seam nail series products is applied to clinical.The scope of application of this series products has related to fields such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, department of obstetrics and gynecology, becomes one of doctor's necessary tool.The application of this kind tool has the advantage that intraoperative hemorrhage is less, operating time is short for the patient, and replaces can reducing error, the infection that causes owing to manual by hand with apparatus, thereby makes patient's post-operative recovery faster.

The doctor often uses tube type anastomat to operate when doing the digestive tract end to end anastomosis.Before coincideing, must at one end carry out the nail supporting base that purse string suture is implanted tube type anastomat, so that firmly ligation after inserting center-pole could implement to organize anastomosis operation then to tissue.At present a lot of doctors are manual suture pockets, can't guarantee so whether the amount of pocket place tissue is suitable, if residual tissue too much can cause anastomat percussion failure; If very few, have the risk of fistula after then coincideing.Therefore, in use, the use pocket that the doctor is more and more many clamps sews up pocket, and the quality of this apparatus performance directly influences the operation process, plays important effect for surgical effect.

The actual at present pocket pincers that use mainly contain two types, and a kind of is the manual pocket pincers of linear type all-metal, and another kind is the automatic pocket pincers of straight line groove part nail formula.

For the manual pocket pincers of linear type, need pass the jaw that accompanies tissue with the suture needle that an afterbody has suture and carry out manual purse string suture.Clamp tissue with jaw earlier during operation, lock notch then, clamped and some tissue of tissue meeting nature is clamp-oned in the notch space; Penetrate top circular hole that pocket clamp in the suture needle of an afterbody band wire from an end of pocket pincers this moment; Extract from opposite side, pin turns around then, in the bottom circular hole of pocket pincers, passes again; At last in two the termination knottings of a side with purse wire; This pocket pincers length that need be equivalent to twice at least could be accomplished the operation (working place that the pin needs are very big) of operation, yet for the operative site that positions such as rectum resection or esophagus excision are limited to, uses this kind pocket to clamp to beat pocket and can't accomplish operation or have great operation risk; Owing to there is not good surgical field of view; Be again manual suture needle, be easy to hurt other adjacent histoorgans, have huge operation risk.

Another kind is the automatic pocket pincers of straight line groove part nail formula, clamps tissue with jaw earlier during operation, locks notch then, and clamped and some tissue of tissue meeting nature is clamp-oned in the notch space.The seam nail is pressed in tissue with purse wire simultaneously, and unclamp notch this moment, lifts apparatus, and purse wire can propose a segment length (the long stitching thread of 600mm can be stored in the built-in line storehouse of apparatus) with apparatus along the track that the seam nail is followed closely out and play pocket then.The operative site that this apparatus is limited to for positions such as rectum resection or esophagus excisions; Have very big shortcoming: at first purse wire can only lift along the organ-tissue cross section, and so just requiring to have suitable working place, otherwise be easy to oblique loading seam nail and tissue is broken away from; Cause beating the pocket failure; And concerning the position of limited location, suitable working place exactly can not be arranged, so the risk of performing an operation at this kind position is very big; Secondly, excessive because of the power of lifting, possibly cause the seam nail to fall in the human body, because of position limitation and seam nail are very little, be not easy to find the seam nail that drops finally possibly cause the seam nail to be stayed in the human body body, possibly bring the life threat to patient.

This shows that existing pocket pincers exist obvious defects and deficiency, how to found a kind of real one of the current important research and development problem that belongs to of purse-string suture device that can automatically, conveniently, reliably play pocket in the operation narrow positions.

Summary of the invention

The technical problem that the present invention will solve provides a kind of circular pocket pincers that can play pocket automatically; Make it limited to the position when undergoing surgery for positions such as rectum resection or esophagus excisions; Can play pocket automatically, conveniently, reliably, thereby overcome the deficiency of prior art.

For solving the problems of the technologies described above, a kind of circular pocket pincers that can play pocket automatically of the present invention comprise fixed caliper, moving caliper and suture needle assembly, and wherein: fixed caliper comprises fixed handle and fixing head, and fixing head one side is provided with the arc toothed edge; Moving caliper comprises handle portion, fork and arc-shaped head, arc-shaped head be provided with can with the closed dentalation of fixing head, the fork rear end is fixedly connected with handle portion, two front ends of fork are fixedly connected with the two ends of arc-shaped head respectively; The fixed handle of fixed caliper passes the fork of moving caliper, and is rotatably connected through steady pin, is provided with annular suture needle chute in the closed pocket clamp head part that forms of the fixing head of fixed caliper and the arc-shaped head of moving caliper; The suture needle assembly is installed in the described annular suture needle chute.

As further improvement of the present invention, described suture needle assembly comprises slide block and the inside and outside arc suture needle that is fixedly connected with slide block, and described annular suture needle chute is inside and outside suture needle chute in corresponding section with dentalation, is the slide block chute in other section.

In the fixing head of described fixed caliper, be provided with wire casing and thimble baffle plate at an end place of dentalation, be equipped with absorbable suture in the wire casing, the suture termination is connected with needle guard through the through hole in the fixing head.

Described wire casing notch place is provided with slot, and the wire casing baffle plate of sealing wire casing is installed in the slot.

Be provided with the kinking duct in the described wire casing.

Each forms the fixing head of described fixed caliper and the arc-shaped head of moving caliper by forward and backward two, and annular suture needle chute promptly is arranged between forward and backward two.

The front surface of described fixed caliper anter also is fixedly connected with lamina tecti, and sheet is extended with bent frame to rear side behind the described fixed caliper, and the trailing edge of bent frame is fixedly connected with head base plate, and the bent frame two ends are fixedly connected with baffle head.

All be connected between sheet and the head base plate and between forward and backward of moving caliper arc-shaped head behind described fixing head anter and the fixing head between the sheet, behind the fixing head, and be provided with corresponding arc convex and groove through bolt.

The handle portion outside of described moving caliper also is with sleeve; The longitudinal separation of fork is 8-20mm; The angle that arc-shaped head is corresponding is not more than 180 °, and the arc-shaped head closure of the fixing head of fixed caliper and moving caliper is full circle shape, and this circular diameter is between 30-80mm.

The handgrip portion correspondence of the fixed handle of described fixed caliper and moving caliper is provided with jaw locking hook.

After adopting above-mentioned design; The present invention compared with prior art has following beneficial effect: the automatic pocket pincers of this circle are applicable to the narrow operative site that positions such as rectum resection or esophagus excision are limited to; Can guarantee that pocket place tissue is an amount of, automatically, conveniently, reliably play pocket.

Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.

Description of drawings

Above-mentioned only is the general introduction of technical scheme of the present invention, understands the present invention in order can more to know, below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.

Fig. 1 is the structural representation that the present invention can make the circular pocket pincers of pocket automatically.

Fig. 2 is the decomposition texture sketch map that the present invention can make the circular pocket pincers of pocket automatically.

Fig. 3 is the decomposition texture sketch map of fixed caliper part of the present invention.

Fig. 4 is the decomposition texture sketch map of moving caliper part of the present invention.

Fig. 5 be jaw closed suture needle of the present invention insert needle guard structural representation.

Fig. 6 is the structural representation of suture needle assembly of the present invention.

The specific embodiment

See also Fig. 1, shown in Figure 2, a kind of circular pocket pincers that can play pocket automatically of the present invention comprise fixedcaliper 1, movingcaliper 2 and suture needle assembly 3.Below for clear product structure of the present invention described, be front side, head with right side among Fig. 1, be that rear side, afterbody describe with the left side.

Wherein, please cooperate and consult shown in Figure 3ly, fixedcaliper 1 comprisesfixed handle 11 and fixing head, and fixing head one side is provided with the arc toothed edge.

Specifically, fixing head is mainly assembled through bolt bysheet 13 behind fixedcaliper anter 12, the fixed caliper,lamina tecti 14,head base plate 15 and baffle head 16.Wherein, a side ofsheet 13 and fixedcaliper anter 12 is the arc toothed edge behind the fixed caliper, and the angle that dentalation is corresponding is not more than 180 °, forms annular suture needle chute behind the fixed caliper betweensheet 13 and the fixed caliper anter 12.Laminatecti 14 is fan-shaped, is installed infixed caliper anter 12 front surfaces, and is corresponding with the part ofnon-dentalation.Sheet 13 extends bent frame to rear side behind the fixed caliper, andhead base plate 15 is a semicircle or circular mostly, is installed in the bent frame trailing edge ofsheet 13 behind the fixed caliper, and is corresponding with the part of non-dentalation.Bafflehead 16 is installed in the bent frame two ends ofsheet 13 behind the fixed caliper, cooperates the rear space ofsheet 13 non-tooth-like parts of anything behind the sealing fixed caliper withhead base plate 15.

In addition, in the fixing head of fixed caliper 1 (for example behind the fixed caliper on the sheet 13), be provided withwire casing 17 andthimble baffle plate 18 at an end place of dentalation.Be equipped with absorbable suture in thewire casing 17, the notch place ofwire casing 17 is provided with slot, and the wirecasing baffle plate 19 ofsealing wire casing 17 is installed in the slot.

Please cooperate consult shown in Figure 4; Movingcaliper 2 comprises handle portion 21,fork 22 and arc-shaped head 23; Wherein, arc-shaped head 23 is corresponding with the toothed edge of the fixing head offixed caliper 1, and be provided with can with the closed dentalation of fixing head; The rear end offork 22 is fixedly connected with handle portion 21, and two front ends offork 22 are fixedly connected with the two ends of arc-shaped head 23 respectively.

Specifically, handle portion 21 outsides interference fit capable of using is with sleeve 24.The arc-shaped head 23 of movingcaliper 2 also can assemble through bolt by forward and backward, is provided with arc suture needle chute between forward and backward.The fork hollow structure has enough spaces, so as when operation shears cut off tissue.

Preferable; Be equipped with corresponding arc convex and groove betweensheet 13 and thehead base plate 15 and between forward and backward of movingcaliper 2 arc-shaped heads 23 behindfixed caliper anter 12 and the fixed caliper between thesheet 13, behind the fixed caliper; To guarantee the precision of link position, improve packaging efficiency.

Thefixed handle 11 offixed caliper 1 passes thefork 22 of movingcaliper 2, and is rotatably connected throughsteady pin 25, also can be provided withjaw locking hook 26 at thefixed handle 11 offixed caliper 1 and handgrip portion 21 correspondences of moving caliper 2.Jaw locking hook 26 can be L type barb as shown in Figure 4, and when pressing down the handle portion 21 of movingcaliper 2, two L type barbs are hooked in together each other, and the arc-shaped head of the fixing head offixed caliper 1 and movingcaliper 2 is closed and locked.If unclamp moving caliper, must guarantee that suture needle gets back to initial position, on the handle portion 21 of movingcaliper 2, apply certain side force then, L type barb is thrown off each other, and jaw is able to open.

Please cooperate consult shown in Figure 5; The arc-shaped head closure of the fixing head offixed caliper 1 and movingcaliper 2 is full circle shape; This circular diameter has complete annular suture needle chute in the head of the pocket pincers after the closure between 30-80mm,suture needle assembly 3 promptly is installed in the annular suture needle chute.

Please cooperate consult shown in Figure 6; Sutureneedle assembly 3 comprises theinterior suture needle 32 andouter suture needle 33 that a needlestand slide block 31 and an end insert needlestand slide block 31 and lock through screw; Needlestand slide block 31 is a circular arc piece; The needle body of inside and outside suture needle is arc, and the needle body cross section is the circle of 0.6-3mm, and head is taper and is provided with barb.

Corresponding, please cooperate and consult Fig. 5, shown in Figure 6, annular suture needle chute is two thin and be parallel to each other inside and outside suture needle chutes in corresponding section with dentalation, then is the slide block chute of a broad in the corresponding section of non-dentalation.And also should ccontaining two sutures in thewire casing 17, the suture termination is connected withinterior needle guard 34,outer needle guard 35 respectively through the through hole in the fixing head.Inside and outside needle guard inner hollow, suitable with the diameter of section of inside and outside needle body, there is chamfering at the edge, is inverted cone, and slotted head is so that syringe needle inserts smoothly.Also can be provided with changeover portion between connection syringe needle and the needle body, syringe needle forms tangible boss so that tangle the needle guard slotted head at the changeover portion place, after the syringe needle rotation puts in place, can clamp-on in the needle guard, hooks needle guard, and needle guard can be taken back.

The initial position of suture needle is positioned at an end of pocket clamp head part dentalation, and needle guard is positioned at the other end, and the needle guard afterbody is connected with suture and leans against on thethimble baffle plate 18, and the duct ofsheet 13 is wrapped in thewire casing 17 suture behind the fixed caliper through being arranged on.Suture needle is passed the tissue that is clipped betweenfixed caliper 1 and the movingcaliper 2 along annular suture needle chute, moves to the needle guard place, and syringe needle inserts needle guard, backward rotation suture needle afterwards, and the barb of suture needle is taken back needle guard, makes suture pass tissue.

During use, earlierjaw locking hook 26 is opened, needs are beaten the intestinal position of pocket and put into the jaw place, the handle portion 21 of closed movingcaliper 2 blocksjaw locking hook 26, keeps the pocket icarceration to close locking state, makes intestinal tissue keep compressive state.

Thesuture needle 32,33 that promotes on the needlestand slide block 31 is moved in annular suture needle chute; The tissue in the jaw gap is pierced through in suture needle; When needle point rotates to the needle guard place of the other end of chute; Syringe needle inserts needle guard and blocks through barb, and the while syringe needle can promote needle guard and lean against on thethimble baffle plate 18, to guarantee that syringe needle put in place with being connected of needle guard.

Afterwards, oppositely move needlestand slide block 31, needle guard is taken back in suture needle, through the closed part of jaw, makes the suture of needle guard afterbody pass tissue.Moved to by suture needle in the process of jaw another side at needle guard, needle guard and back-connected suture thereof pass the tissue of being stepped up, and two purse wires pass from the both sides of tissue respectively, because the profile of tooth effect of jaw makes purse wire pass tissue for one section one section.Behind about 1/2nd circumference of revolution, the seismaesthesia that hand has hook to block, at this momentsuture needle assembly 3 is got back to initial position.

At last, openjaw locking hook 26, pull the pocket pincers, seam money is released; When enough times spent of the line of emitting, cut off the both sides suture, take out the pocket pincers; Both sides stretching suture, the adjustment position places the head of anastomat in the tissue; Tension both sides suture ties up to suture on the center-pole of circular anastomosis device head and manually fastens, and plays the pocket completion.

This circle pocket pincers automatically is applicable to the narrow operative site that positions such as rectum resection or esophagus excision are limited to, and also can be used for the operation at other spacious position of working place.

The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.

Claims (10)

1. the circular pocket pincers that can play pocket automatically is characterized in that comprising fixed caliper, moving caliper and suture needle assembly, wherein:

Fixed caliper comprises fixed handle and fixing head, and fixing head one side is provided with the arc toothed edge;

Moving caliper comprises handle portion, fork and arc-shaped head, arc-shaped head be provided with can with the closed dentalation of fixing head, the fork rear end is fixedly connected with handle portion, two front ends of fork are fixedly connected with the two ends of arc-shaped head respectively;

The fixed handle of fixed caliper passes the fork of moving caliper, and is rotatably connected through steady pin, is provided with annular suture needle chute in the closed pocket clamp head part that forms of the fixing head of fixed caliper and the arc-shaped head of moving caliper;

The suture needle assembly is installed in the described annular suture needle chute.

2. the circular pocket pincers that can play pocket automatically according to claim 1; It is characterized in that described suture needle assembly comprises slide block and the inside and outside arc suture needle that is fixedly connected with slide block; Described annular suture needle chute is inside and outside suture needle chute in corresponding section with dentalation, is the slide block chute in other section.

3. the circular pocket pincers that can play pocket automatically according to claim 1; It is characterized in that in the fixing head of described fixed caliper; End place at dentalation is provided with wire casing and thimble baffle plate; Be equipped with absorbable suture in the wire casing, the suture termination is connected with needle guard through the through hole in the fixing head.

4. the circular pocket pincers that can play pocket automatically according to claim 3 is characterized in that described wire casing notch place is provided with slot, and the wire casing baffle plate of sealing wire casing is installed in the slot.

5. the circular pocket pincers that can play pocket automatically according to claim 3 is characterized in that being provided with in the described wire casing kinking duct.

6. the circular pocket pincers that can play pocket automatically according to claim 1 is characterized in that the fixing head of described fixed caliper and the arc-shaped head of moving caliper respectively form by forward and backward two, and annular suture needle chute promptly is arranged between forward and backward two.

7. the circular pocket pincers that can play pocket automatically according to claim 6; The front surface that it is characterized in that described fixed caliper anter also is fixedly connected with lamina tecti; Sheet is extended with bent frame to rear side behind the described fixed caliper; The trailing edge of bent frame is fixedly connected with head base plate, and the bent frame two ends are fixedly connected with baffle head.

8. the circular pocket pincers that can play pocket automatically according to claim 7; It is characterized in that behind described fixing head anter and the fixing head between the sheet, all be connected between sheet and the head base plate and between forward and backward of moving caliper arc-shaped head behind the fixing head, and be provided with corresponding arc convex and groove through bolt.

9. the circular pocket pincers that can play pocket automatically according to claim 1; The handle portion outside that it is characterized in that described moving caliper also is with sleeve; The longitudinal separation of fork is 8-20mm; The angle that arc-shaped head is corresponding is not more than 180 °, and the arc-shaped head closure of the fixing head of fixed caliper and moving caliper is full circle shape, and this circular diameter is between 30-80mm.

10. according to each the described circular pocket pincers that can play pocket automatically among the claim 1-9, it is characterized in that the fixed handle of described fixed caliper and the handgrip portion correspondence of moving caliper are provided with jaw locking hook.

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