CN2331320Y

CN2331320Y - Elbow surgical operation anastomat

Info

Publication number: CN2331320Y
Application number: CN 98227541
Authority: CN
Inventors: 冯佩泉; 马剑文; 尤怀德; 彭伯文; 左文华
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-08-05
Filing date: 1998-08-05
Publication date: 1999-08-04
Anticipated expiration: 2008-08-05

Abstract

The utility model relates to a tube-shaped anastomosing device for surgical operations, particularly a bent tube anastomosing device for surgical operations. The utility model is characterized in that a core shaft placing and installing tube is a forking type spring tube; the front end of the core shaft placing and installing tube is provided with fork petals, and the rear end is provided with a fork rod; the rear parts of the fork petals are mutually connected together through the fork rod; a convex table is arranged on the inner wall of each of the fork petals; the convex tables are corresponding to annular concave grooves which are arranged on a core shaft; the rear part of the fork rod is connected with a multi-segment connecting shaft. The core shaft placing and installing tube of the anastomosing device for surgical operations has the advantages of convenient cleaning, simple processing, low cost, and convenient assembly. When the front end of the core shaft placing and installing tube is provide with 3 or more than 3 fork petals, swinging is eliminated for the utility model which is in use, fastness is increased, and hand feeling is good.

Description

Bend pipe surgical operation anastomat

This utility model belongs to technical field of medical instruments, is specifically related to be used in the operation such as surgery (general outer, breast outer, anorectal is outer) behind the tubular cutting tissues such as esophagus, intestinal, rectum of human body the broken ends of fractured bone is kissed the anastomat that connects.

At present, tubular anastomat of 97236491.9 bend pipes and 98226148.9 bend pipe surgical operation anastomat Chinese patents by the applicant's application, because it is to rely on the mandrel of jump ring to put tubulature to carry out work, therefore following deficiency is arranged in force: 1, U-shaped stainless iron jump ring is that embedding is pressed in mandrel and puts in the symmetrical rectangular through holes on the tube wall of tubulature, gap between jump ring side and the rectangular through holes hole wall is less, difficult the cleaning, improper if any cleaning, also have the macula lutea corrosion phenomena and form, unfavorable to the human organism.2, U-shaped stainless iron jump ring processing technique complexity, qualification rate is low, the cost height, the circulation time is long, is unfavorable for ordinary production.3, pincers worker assembling is loaded down with trivial details, because the sheet material thickness differs on the market, during assembling U-shaped stainless iron jump ring outside the flash removed, also need advance mandrel by a repair puts in the rectangular through holes on the tube wall of tubulature, tension can influence elasticity, and pine can be caused and be skidded off phenomenon excessively, thereby batch on the long processing time difficulty.4, U-shaped stainless iron jump ring easily produces lateral wobble by 2 contacts during use, and fastness and feel are undesirable, and when apparatus cleaned, idol skidded off the rectangular through holes phenomenon simultaneously, brought the trouble of assembling inconvenience to user.

The purpose of this utility model provide a kind of to mandrel put tubulature clean convenient, processing is simple, cost is low and the tubular surgical operation anastomat, particularly bend pipe surgical operation anastomat being convenient to assemble.

The technical scheme that realizes above-mentioned purpose is, a kind of tubular surgical operation anastomat, bend pipe surgical operation anastomat particularly, comprise handle, the trocar sheath of band push pedal seat, the nail supporting base of belt carcass axle, with by nail pushing plate, positioning pipe and back-moving spring thereof, jam nut, the hollow pipe, stage clip, spring base, band shift fork and safety block and gag lever post and with the nail pushing plate mechanism of the hinged compositions such as flexible handle of handle, and put tubulature by mandrel, end ringfeder pipe and back-moving spring thereof, more piece flexibly connects the nail supporting base mounting or dismounting governor motion that axle and adjusting nut thereof etc. are formed, it is characterized in that, it is that front end has fork lobe rear end and has the rear portion of fork arm and fork lobe by the interconnection dichotomous bourdon tube together of fork arm that mandrel is put tubulature, the fork lobe inwall on have with mandrel on the corresponding boss of annular groove, the rear portion of fork arm and the load of more piece connection shaft.

Mandrel is put the dichotomous bourdon tube that tubulature can be real core bar shape for the rear portion fork arm, but also can be for the rear portion fork arm is the piped dichotomous bourdon tube of hollow, so that the stainless steel material of conserve expensive.

Further purpose of the present utility model provides a kind of can in use the elimination and rocks, and increases fastness, the tubular surgical operation anastomat of good hand touch.

The technical scheme that realizes above-mentioned further purpose is that mandrel is put tubulature and is anterior dichotomous bourdon tube with fork lobe more than 3 or 3.

After this utility model adopted technique scheme, mandrel was put tubulature and become dichotomous bourdon tube, and has abandoned U type stainless iron jump ring, and benefit is: it is convenient 1, to clean, and washes the back non-corroding, and the user can relievedly use.2, the independent part that mills behind the first car of dichotomous spring piping after the improvement, cancelled the process that to carry out line cutting, pincers processing, heat treatment and surperficial coated when adopting U type stainless iron jump ring in the past, processing is simple, cost low and be convenient to the assembling, not only help producing in batches, and help improving the quality.3, put after tubulature becomes the dichotomous bourdon tubes of 3 forks more than the lobe when mandrel, mandrel contacts with dichotomous bourdon tube multiple spot, does not understand the centre during use and does not rock, and fastness and feel are all better, have brought convenience to user, and are beneficial to the identical quality of operation more.

The embodiment that provides below in conjunction with accompanying drawing to the tubular surgical operation anastomat of this utility model particularly the structure of bend pipe outer operation anastomat be further described specifically.

Fig. 1 is the overall structure profile of a kind of bend pipe surgical operation anastomat of the present utility model.

Fig. 2 is that anterior nail supporting base of the present utility model, mandrel are put tubulature, ended the structural representation at ringfeder pipe and positioning pipe position.

Fig. 3 puts tubulature for mandrel--the action principle figure of dichotomous bourdon tube.

Fig. 4 puts tubulature for mandrel shown in Figure 3--the vertical view of Four-fork bourdon tube.

Fig. 5 puts tubulature for mandrel shown in Figure 3--the left view of Four-fork bourdon tube.

Fig. 6 is a kind of left view of triadius type bourdon tube.

As 1, shown in 2, the tubular surgical operation anastomat of this utility model, bend pipe surgical operation anastomat particularly, comprise handle (20), the trocar sheath (13) of band push pedal seat pipe (4), the nail supporting base (1) of belt carcass axle (9), with by nail pushing plate (3), positioning pipe (5) and back-moving spring (7) thereof, jam nut (11), hollow pipe (14), stage clip (19), spring base (21), band shift fork (23-1) and safety block (24) and gag lever post (26) and with the nail pushing plate driving and reversing mechanism of the hinged compositions such as flexible handle (20) of handle (20), and put tubulature (16) by mandrel, end ringfeder pipe (6) and retainer spring (7) thereof, the nail supporting base mounting or dismounting governor motion that more piece activity connection shaft (15) and adjusting nut (29) etc. thereof are formed.The front end of handle (20) is threaded with adapter (18), and the rear end of trocar sheath (13) is threaded with adapter (18) and by nut (17) tightening, and the rear end of push pedal seat pipe (4) is threaded with the front end of trocar sheath (13) and by nut (12) tightening.The Connection Block (4-1) of push pedal seat pipe (4) front end is used for linking nail cabin assembly (2).Nail pushing plate (3) is threaded with the front end of positioning pipe (5).Jam nut (11) is equipped with in the rear end of positioning pipe (5), and jam nut (11) cooperates with the preceding end in contact of hollow pipe (14), and the rear end of hollow pipe (14) is threaded with spring base (21).Flexible handle (23) is hinged by hinging supporting shaft (22) and handle (20), and the shift fork (23-1) of flexible handle (23) lower end passes the fenestra on the handle (20) and rides the cylindrical step place that is embedded in spring base (21).On the hollow pipe (14) of spring base (21) front side, be set with stage clip (19), and the front end of stage clip (19) is pressed in adapter (18) and goes up or be pressed on the rear end face of trocar sheath (13), and the rear end is pressed on the end face of spring base (21).On the hollow pipe (14) of spring base (21) rear side, be set with a spring base centring ring (30), this spring base centring ring (30) is packed in the place, the fenestra rear portion that is connected with flexible handle (23) of handle (20) inwall, can be to be screwed, also can be to fix with rivet, purpose is when guaranteeing the production product, the concordance of sticking up height of flexible handle (23).Be hinged with safety block (24) on the flexible handle (23), and riveted joint there is gag lever post (26).In order to prevent that safety block (24) from freely swinging, the place, end that also can be positioned at safety block (24) on flexible handle (23) is provided with reed (25).

As shown in Figure 1, 2, 3, mandrel is put to be set with in the tubulature (16) and is ended ringfeder pipe (6) and retainer spring (10) thereof, should end ringfeder pipe (6) and retainer spring (10) thereof and be contained in again in the stepped hole of positioning pipe (5), and the front end of retainer spring (10) only is pressed in that ringfeder pipe (6) is gone up and the rear end is pressed on the jam nut (11) of positioning pipe (5) rear end; Simultaneously, be set with back-moving spring (7) on the positioning pipe (5), the endoporus step (4-2) that the front end of this back-moving spring (7) is pressed in push pedal seat pipe (4) is gone up and the rear end is pressed in the step (5-1) of positioning pipe (5) rear end and goes up or do not establish step (5-1) and directly be pressed on the jam nut (11).

Shown in Fig. 3,4,5, mandrel is put tubulature (16) and is had the dichotomous bourdon tube that connects together mutually by fork arm (16-2) of rear portion that fork lobe (16-1) rear end has fork arm (16-2) and fork lobe (16-1) for front end.Have on the inwall of fork lobe (16-1) with mandrel (9) on the corresponding boss of annular groove (9-1) (16-1 '), the rear portion of fork arm (16-2) and more piece connection shaft (15) load can be articulated manner as shown in Figure 1, 2, also can be to be threaded.Mandrel is put tubulature (16) is the hollow tubular body for rear portion fork arm (16-2) dichotomous bourdon tube, the front portion that mandrel is put tubulature (16) has 4 fork lobes (16-1), all have on the inwall of each fork lobe (16-1) with mandrel (9) on the corresponding boss of annular groove (9-1) (16-1 ').

As shown in Figure 6, mandrel is put tubulature (16) and also be can be made into the dichotomous bourdon tube that the front portion has 3 fork lobes (16-1).What of the visual required fork lobe of tubulature (16) (16-1) mandrel of the present utility model put, and makes two V shapes, triadius type, Four-fork, five V shapes, six fork spring pipes.Two fork spring pipes can be used for operation anastomat, but consider rocking property, can only use the auxiliary work-piece when operating, and have the above bourdon tube of triadius type of pitching lobe (16-1) more than 3 or 3 and then can be used for operation anastomat regularly.

As shown in Figure 1, 2, mandrel is put tubulature (16) and is hinged with more piece flexible connection axle (15), and the rear end of more piece activity connection shaft (15) is provided with screw mandrel (27), and screw mandrel (27) is threaded with adjusting nut (29).Adjusting nut (29) is inlaid in the rear end endoporus of handle (20), has 2 screws (28) to be screwed into handle (20) and enters in the circular step of adjusting nut (29), cause adjusting nut (29) to rotate and can not slide-bar to moving.On the excircle of adjusting nut (29) and handle (20) touching position, establish the lines rag separately, and indicate numeral, with the gap width of the working clearance between indication nail supporting base (1) and the nail cabin assembly (2).

When using this utility model to carry out the surgical stapling operation, unscrew adjusting nut (29) earlier, promote movable connection shaft (15) of 3 joints and mandrel and put tubulature (16) from hollow pipe (14) and only move forward the ringfeder pipe (6), the fork lobe (16-1) that makes mandrel put tubulature (16) ends ringfeder pipe (6) to moving forward to throw off, at this moment, the radially restriction of pipe (6) because fork lobe (16-1) is not subjected to only to rise and can to allow radially to take place strain be spreading or gathering, therefore, spur the mandrel (9) of nail supporting base (1) this moment, just can make mandrel put the radially outside spreading of fork lobe (16-1) that tubulature (16) also is dichotomous bourdon tube, make boss (16-1 ') on the inwall of fork lobe (16-1) break away from annular groove (9-1) on the mandrel (9), the mandrel (9) of nail supporting base (1) can be put taking-up tubulature (16) from mandrel.Then, to follow closely cabin assembly (2) dress is buckled on the joint seat (4-1) of push pedal seat pipe (4) front end, again an end of luminal viscus is played the pocket ligation on the end face of nail cabin assembly (2), simultaneously the other end of luminal viscus is played the pocket ligation on the planar end surface of nail supporting base (1).Again ligation there is mandrel (9) the insertion mandrel of the nail supporting base (1) of luminal viscus to put in the tubulature (16), and making mandrel put boss on the inwall of preceding end yoke lobe (16-1) of tubulature (16) (16-1 ') snaps in the annular groove (9-1) of mandrel (9), tighten adjusting nut (29) then, by screw mandrel (27) and the movable connection shaft (15) of 3 joints, making mandrel put tubulature (16) moves inward along ending ringfeder pipe (6), in the fork lobe (16-1) that mandrel is put the front end of tubulature (16) only is included into ringfeder pipe (6), the inwall boss (16-1 ') of fork lobe (16-1) can only be stuck in the annular groove (9-1) of mandrel (9) and can not spreading, thereby the mandrel (9) of nail supporting base (1) is lockable, nail supporting base (1) can not be transferred to.Continue to turn adjusting nut (29), between having the nail cabin assembly (2) of the luminal viscus other end of the nail supporting base (1) of luminal viscus one end and ligation, ligation keeps regulation during the working clearance (can show) from the adjusting scale that is located on adjusting nut (29) and the handle (20), dial and remove safety block (24), press flexible handle (23), shift fork (23-1) promptly promotes spring base (21) and overcomes the pressure of stage clip (19), make hollow pipe (14) pushing pin jack panel (11), positioning pipe (5) and nail pushing plate (3) are pushed ahead, and then the seam nail that will follow closely in the cabin assembly (2) is pushed nail supporting base (1) to, with the broken ends of fractured bone tissue apposition that will coincide, remnant tissue after endless knife in the promotion nail cabin assembly (2) will be sewed up simultaneously excises smoothly, thereby finishes the surgical stapling action.After this a relinquishment flexible handle (23), then under the effect of stage clip (19), hollow pipe (14) resets rapidly, meanwhile, positioning pipe (5) also resets under the effect of back-moving spring (7), and then from the longitudinal cut of luminal viscus, shift out nail supporting base (1) and be fitted with the push pedal seat pipe (4) of following closely cabin assembly (2), so far tubular anastomosis operation promptly comes to an end.The effect of gag lever post (26) is, along with flexible handle (23) when pressing, gag lever post (26) can arrive on the handle (20), puts in place to represent to coincide, and the anastomosis staple molding is normal, prevents to coincide not in place and influences quality.

Trocar sheath of the present utility model (13) and hollow pipe (14) can be to be illustrated in figure 1 as bend pipe, also can be straight tubes, mainly are that more piece connection shaft (15) can both be suitable for bend pipe and straight tube.

This utility model is when making straight tube surgical operation anastomat, and more piece connection shaft (15) also can be made into the single-unit connection shaft.And this single-unit connection shaft (15) can be that to put tubulature (16) hinged or be threaded with mandrel, also can be to put tubulature (16) with mandrel to make one, and other structure is identical with the anastomat of bend pipe surgical operation shown in above-mentioned Fig. 1,2,3.

Claims

1, a kind of tubular surgical operation anastomat, bend pipe surgical operation anastomat particularly, comprise handle (20), the trocar sheath (13) of band push pedal seat pipe (4), the nail supporting base (1) of belt carcass axle (9), with by nail pushing plate (3), positioning pipe (5) and back-moving spring (7) thereof, jam nut (11), hollow pipe (14), stage clip (19), spring base (21), band shift fork (23-1) and safety block (24) and gag lever post (26) and wait the nail pushing plate driving and reversing mechanism of composition with the hinged flexible handle (23) of handle (20), and put tubulature (16) by mandrel, end ringfeder pipe (6) and retainer spring (10) thereof, the nail supporting base mounting or dismounting governor motion that more piece activity connection shaft (15) and adjusting nut (29) etc. thereof are formed, it is characterized in that: mandrel is put tubulature (16) and is had the dichotomous bourdon tube that fork arm (16-2) and the fork arm (16-2) of fork lobe (16-1) by the rear portion connect together mutually for front end has fork lobe (16-1) rear end, have on the inwall of fork lobe (16-1) with mandrel (9) on the corresponding boss of annular groove (9-1) (16-1 '), the rear portion of fork arm (16-2) and more piece connection shaft (15) load.

2, tubular surgical operation anastomat according to claim 1 is characterized in that: mandrel is put tubulature (16) is the hollow tubular body for rear portion fork arm (16-2) dichotomous bourdon tube.

3, tubular surgical operation anastomat according to claim 1 and 2 is characterized in that: mandrel is put tubulature (16) and is had the dichotomous bourdon tube of pitching lobe (16-1) more than 3 or 3 for the front portion.