CN201361063Y - Purse string stitching instrument with knife - Google Patents

Abstract

The utility model provides a purse string stitching instrument with a knife, which comprises an upper shell, a lower shell and nail casket components, wherein the upper shell and the lower shell are arranged relatively and the nail casket components are arranged in the shell. Each nail casket component includes a nail casket and a nail pushing piece, a purse string and nails arranged in the nail casket. A nail casket groove is arranged on the lower nail casket in the lower shell. A cutting knife is arranged on the lower shell. The cutting knife penetrates through the nail casket groove and the edge of the cutting knife faces to the upper shell. When the purse string stitching instrument is triggered, the cutting knife is used to cut off the tissue. The utility model mainly has the advantages that the tissue at special surgical operation position can be cut conveniently, and the purse string stitching and tissue cutting are integrated into one step.

Description

The purse-string suture device of band cutter

Technical field

This utility model relates to a kind of purse-string suture device, and especially a kind of purse-string suture device with cutter belongs to medical instruments field.

Background technology

Purse-string device for surgical department is a kind of medical apparatus and instruments that often uses when physiological tissues such as intestinal are carried out surgical operation, and the quality of this instrument performance directly influences the operation process, plays important effect for surgical effect.In the prior art, all to do purse string suture when using Binding Instrument to carry out suture operation, so that firmly ligation after inserting center-pole could be implemented the bookbinding operation then at the organ stump.The method of implementing the purse string suture operation has two kinds: a kind of is manual suture, and not only operation is very wasted time and energy, and inserting needle has and have shallowly deeply, and needle gage is also inconsistent; Another kind is to use the purse string suture pincers, passes the jaw that accompanies tissue together with the pin band wire and carries out purse string suture, and shortcoming is to pass an aperture of jaw, inconvenient operation with pin.

Chinese patent ZL 200510123051.4 has put down in writing a kind of automatic purse-string suture device, and it is made up of handle holder and nail bin groupware, and two handle holders intersect forms shears shape structure, and nail, pushing slice of nail and purse wire are arranged in the nail bin groupware.After clamping upper and lower handle holder, the nail in the nail bin is just come out by percussion, purse wire is fixed on organizes outer wall, just can tighten up purse wire then and prick pocket.Can see that the process of making pocket is very simple, save time.Because generally all being used for some tubular tissue stumps, pouching device carries out pocket seam bundle, need be from disconnected tissue, but when some special operative sites carry out pocket seam bundle, such as an esophagus high position, rectum low level, often take to beat earlier pocket, produce stump from disconnected tissue again, need this moment to cut and organize with leader's art cutter in addition, according to becoming the loaded down with trivial details of operating procedure, and because the space of two above-mentioned its operations of example operation is less, common scalpel difficulty stretches into, and shines into accident surgery easily.

The content that this utility model is put down in writing this patent is quoted as prior art.

The utility model content

The purpose of this utility model is to solve above-mentioned technical problem, provides a kind of structure ingenious, the convenient purse-string suture device of organizing cutting in the particular procedure position.

The purpose of this utility model is achieved through the following technical solutions:

A kind of purse-string suture device with cutter, comprise: the last lower casing that is oppositely arranged, and be arranged on the nail bin groupware of enclosure, described nail bin groupware comprises nail bin and places nail bin interior pushing slice of nail, purse wire and nail, have a nail bin groove on the described following nail bin that is arranged in the lower casing, described lower casing is provided with a cutting knife, and described cutting knife passes this nail bin groove and blade faces toward last shell, when purse-string suture device this cutting knife when pulling the trigger is used for tissue is cut off.

Further, described cutting knife is fixedly installed on the inside of lower casing.

Perhaps, described cutting knife is slidably disposed on the inside of lower casing.

Again further, described cutting knife is provided with a pushing block, and the surface of lower casing is provided with a chute, and described pushing block passes chute and protrudes in the outer surface of lower casing, and this pushing block can slide in chute.Described going up on the shell is fixed with a push broach bar, and the top of this push broach bar is a wedge-shaped part; Described pushing block is provided with a corresponding wedge-shaped part.

Further, same described cutting knife also can be arranged on the shell, and corresponding, lower casing is as the cutter anvil of cutting knife.

The beneficial effects of the utility model are mainly reflected in: conveniently organize cutting in the particular procedure position, purse string suture and tissue cutting are become a soluble problem of step.

Description of drawings

Below in conjunction with accompanying drawing technical solutions of the utility model are described further:

Fig. 1: the structural representation of this utility model first embodiment when original state.

Fig. 2: the cutaway view of nail bin part among Fig. 1.

Fig. 3: the structural representation of this utility model first embodiment when the percussion state.

Fig. 4: the cutaway view of nail bin part among Fig. 3.

Fig. 5: the structural representation of this utility model second embodiment when original state.

Fig. 6: the structural representation of the cutting knife of this utility model second embodiment.

Fig. 7: the structural representation of the last shell of this utility model second embodiment.

Fig. 8: the structural representation of this utility model second embodiment when the percussion state.

Wherein:

Nail bin on shell 2 lower casings 3 on 1

4 times nail bin 5 nail bin grooves 6 cutting knifes

7 push broach bars, 8 pushing blocks, 9 sliding shoes

10 wedge-shaped parts, 11 chute A cutting knife glide directions

The specific embodiment

This utility model has disclosed a kind of automatic purse-string suture device, as depicted in figs. 1 and 2, the same with prior art, comprise: two shells 1,2 up and down, and be arranged on the nail bin groupware up and down of two enclosure, described nail bin groupware comprises nail bin 3,4, and places pushing slice of nail, purse wire and nail in the nail bin 3,4, and the binding surface of nail bin outwardly and be oppositely arranged.The syndeton of two shells 1,2 up and down of the present utility model is same as the prior art, and nail bin groupware is also roughly the same with prior art.Different is, be arranged on the following nail bin 4 in the lower casing 2 and have a nail bin groove 5, described lower casing 2 is provided with a cutting knife 6, and described cutting knife 6 passes this nail bin groove 5 and blade faces toward last shell 1, when purse-string suture device this cutting knife 6 when pulling the trigger is used for tissue is cut off.In first embodiment, described cutting knife 6 is fixedly installed on the inside of lower casing 2.

In conjunction with Fig. 3 and shown in Figure 4, tissue is placed between the upper and lower nail bin 3,4 of upper and lower shell 1,2, firmly push the handle of the upper and lower shell 1,2 of pouching device then, fall back on backward in the shell after nail bin 3,4 is stressed, nail is promptly pulled the trigger out and purse wire is clamped between tissue and the nail.This moment, the blade of cutting knife 6 touched tissue, will organize cut-out.

In the present embodiment, when original state, cutting knife 6 is arranged on down in the nail bin groove 5 of nail bin 4, and blade is hidden in the binding surface of nail bin, can protect cutting edge like this, can not hurt other tissue in operation again; And during state, the nail bin face of going up nail bin 3 can be used as the cutter anvil when cutting knife cuts and organizes in percussion at purse-string suture device.

As shown in Figure 5, second embodiment of the present utility model is with the difference of first embodiment, and described cutting knife 6 is for being slidably disposed on the inside of lower casing 2.In conjunction with shown in Figure 6, described cutting knife 6 is provided with a pushing block 8, and the surface of lower casing 2 is provided with a chute 11, and described pushing block 8 passes chute 11 and protrudes in the outer surface of lower casing 2, and this pushing block 8 can slide in chute 11.In conjunction with shown in Figure 7, described going up on the shell 1 is fixed with a push broach bar 7, and the top of this push broach bar 7 is wedge-shaped parts 10; Described pushing block 8 is provided with a corresponding wedge-shaped part 10.Push broach bar 7 in the present embodiment also plays the effect of gag lever post of the prior art.

The mode of operation of present embodiment: will follow closely, purse wire is contained in the nail bin 3,4, pushing block 8 is fixed on the cutting knife 6, also can in processing, directly be injection-moulded in cutting knife 6, cutting knife 6 is installed in the lower casing 2, and make pushing block 8 pass the chute 11 of lower casing 2, the nail bin that installs nail, purse wire is contained in the lower casing, finishes apparatus and install.During operation, tissue is placed between the upper and lower nail bin 3,4 of upper and lower shell 1,2, firmly push the handle of the upper and lower shell 1,2 of pouching device then, fall back on backward in the shell after nail bin 3,4 is stressed, nail is promptly pulled the trigger out and purse wire is clamped between tissue and the nail.This moment, the blade of cutting knife 6 touched tissue, will organize cut-out.

At this moment, as shown in Figure 8, the wedge-shaped part 10 of push broach bar 7 touches the wedge-shaped part 10 of pushing block 8, will make the motion of A direction among the cutting knife 6 meeting generation figure like this, makes and organizes easier being cut off.

This utility model still has multiple concrete embodiment.Because last lower casing the 1, the 2nd, two similar shells also can be replaced and are arranged on the shell 1 so be installed in cutting knife 6 on the lower casing 2 in this utility model, and lower casing is as the cutter anvil of cutting knife 6 accordingly.The position of only changing cutting knife belongs to the equivalent of technical solutions of the utility model, and all employings are equal to replacement or equivalent transformation and all technical schemes of forming, all drop within the claimed scope of this utility model.

Claims (5)

1. purse-string suture device with cutter, comprise: the last lower casing (1 that is oppositely arranged, 2), and be arranged on the nail bin groupware of enclosure, described nail bin groupware comprises nail bin (3,4), and place nail bin (3,4) Nei pushing slice of nail, purse wire and nail, it is characterized in that: have a nail bin groove (5) on the described following nail bin (4) that is arranged in the lower casing (2), described lower casing (2) is provided with a cutting knife (6), described cutting knife (6) passes this nail bin groove (5) and blade faces toward last shell (1), when purse-string suture device this cutting knife (6) when pulling the trigger is used for tissue is cut off.

2. the purse-string suture device of band cutter according to claim 1 is characterized in that: described cutting knife (6) is fixedly installed on the inside of lower casing (2).

3. the purse-string suture device of band cutter according to claim 1 is characterized in that: described cutting knife (6) is slidably disposed on the inside of lower casing (2).

4. the purse-string suture device of band cutter according to claim 3, it is characterized in that: described cutting knife (6) is provided with a pushing block (8), the surface of lower casing (2) is provided with a chute (11), described pushing block (8) passes chute (11) and protrudes in the outer surface of lower casing (2), and this pushing block (8) can slide in chute (11).

5. the purse-string suture device of band cutter according to claim 4 is characterized in that: described going up on the shell (1) is fixed with a push broach bar (7), and the top of this push broach bar (7) is a wedge-shaped part (10); Described pushing block (8) is provided with a corresponding wedge-shaped part (10).

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