CN201135466Y - Surgery bookbinding apparatus bookbinding head - Google Patents

Abstract

The utility model relates to a binding head for a surgery binding instrument, which belongs to the medical apparatus technical field. The binding head comprises a nail anvil and a nail bin, wherein, the nail anvil is connected with a nail anvil axle, and a nail molding groove is arranged on the nail anvil, a nail bin hole is arranged on the nail bin, a suturing nail is installed in the nail bin hole, a nail pushing piece is arranged at the rear side of the nail bin, a cutting knife is arranged at the inner side of the nail pushing piece, and the position of the nail pushing piece is corresponding to the position of the nail bin hole. The nail bin, the nail pushing piece and the cutting knife are all curving shaped. The binding head is characterized in that the nail anvil is fixedly connected with at least two nail anvil axles, to ensure the force stressed on the nail anvil is balanced, therefore, the forming effect of the suturing nail is good, and the effect of the surgery binding operation is improved.

Description

Surgery bookbinding apparatus bookbinding head

Technical field

This utility model relates to a kind of crimp head, relates in particular to a kind of surgery bookbinding apparatus bookbinding head, belongs to technical field of medical instruments.

Background technology

People were to the history in surplus the understanding of hemorrhoid existing 4000 year, and the theory of relevant hemorrhoid emerges in an endless stream for a long time.Since 18th century, hemorrhoid are considered to the abundant venous plexus that rectum lower end or anal canal position exist, if at a place or expansion takes place at the number place or varicose promptly becomes hemorrhoid, that is hemorrhoid are the vein groups of giving prominence to, and are the vascular lesions that a variety of causes causes.Since the seventies in 20th century, the research of hemorrhoid has been obtained breakthrough, anatomy, histology and physiological discovery have been given modern notion to hemorrhoid.Thomson proposed first in 1975, " hemorrhoid are normal anatomical structures that everybody all has, and are lip shape wart or anus pad (anal cushions) in the rectum lower end, and the pathology hypertrophy of anus pad is the hemorrhoid disease ".This new notion is subjected to Alexander-Williams (1982), Bernstein (1983) and Melzier famous scholars' such as (1984) support.The external anorectal disease of publishing is recently learned the new ideas that extensively adopted hemorrhoid in the monograph, in the past few years also gains recognition gradually in China anorectal surgical educational circles nearly 10.

The traditional method of internal hemorrhoid treatment comprises that injection of sclerosing agent, rubber snare are pricked and various forms of excision arts etc., all is to treat at hemorrhoid itself, is intended to make blood stasis to dwindle or disappears.In the surgical operation of hemorrhoid excision, a kind of PPH of being called operation method is arranged, i.e. mucosa ring cutting art on the hemorrhoid of carrying out under the help of tubular bookbinding device.Its principle is: organize under the situation at reservation anus pad, with mucosa, the about 3～4cm of submucosa tissue circular resection on internal hemorrhoid and the hemorrhoid, two ends simultaneously coincide, in blocking-up hemorrhoid supply vascular flow, reach slippage organized and upwards suspend fixed purpose in midair, make the anorectal region of pathological state return to normal anatomic status.

Utilization PPH operative treatment severe hemorrhoids, advantages such as having the postoperative pain of alleviating, reduce postoperative hemorrhage, shorten the hospital stays, accelerate recovery period, do not influence daily life, relapse rate is low, the whole surgery process only needs 8～15 minutes, and operation back patient does not almost have the sensation of pain.Because operation has solved the pathogenetic root of hemorrhoid, so it is more satisfactory to reach long-term effect in the recent period.Treat very thorny hemorrhoid for some with traditional remedies, as mixed hemorrhoid, ring-type hemorrhoid, serious prolapse of hemorrhoid, proctoptosis etc., the PPH operation has unique curative effect equally.

Yet, find that by clinical practice some patient is not that pathological changes takes place 3 hemorrhoid simultaneously, but wherein 1 or 2 hemorrhoid morbidities, at this moment, use present tubular type binding apparatus excision one circle, no matter whether all morbidity all can be by disposable complete resection for 3 hemorrhoid.Obviously, this operation will cause unnecessary damage to the patient, and post-operative recovery is not had good effect yet.And the pin anvil shaft of existing apparatus all is single design, can make the overall discontinuity equalization of nail anvil when bookbinding, and then makes suturing nail be shaped to occur uneven, has influenced the bookbinding of tissue, has brought hidden danger to operation, is unfavorable for the popularization of PPH modus operandi.

Summary of the invention

The purpose of this utility model is to overcome the above problem that prior art exists, and a kind of surgery bookbinding apparatus bookbinding head is provided.

Technical solution of the present utility model is: surgery bookbinding apparatus bookbinding head, comprise nail anvil and nail bin, nail anvil is connected with pin anvil shaft, nail anvil is provided with the nail forming tank, nail bin is provided with the nail bin hole, nail bin is equipped with suturing nail in the hole, the nail bin rear side is provided with pushing slice of nail, the pushing slice of nail inboard is provided with cutter, pushing slice of nail is corresponding with the position in nail bin hole, and described nail bin, pushing slice of nail, cutter are curved shape, it is characterized in that: described nail anvil is fixedlyed connected with two pin anvil shafts at least, and when being two pin anvil shafts, they are connected to the both sides of nail anvil.And, on the pin anvil shaft guiding groove can be set, correspondingly, projection also is set in the nail bin both sides, projection embeds in the guiding groove of pin anvil shaft.

Advantage of the present utility model is: use this surgery binding instrument and undergo surgery, can make the overall stress equalization of nail anvil, displacement and the location of nail anvil in operation process is more firm, it is more even to make suturing nail be shaped thus, it is more fastening with combining of tissue to guarantee to sew up the back nail, has further guaranteed surgical effect.

The purpose of this utility model, advantage and characteristics will illustrate by the non-limitative illustration of following preferential embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.

Description of drawings

Fig. 1 is the unitary construction sketch map of this utility model after in conjunction with apparatus;

Fig. 2 is the partial enlarged drawing of Fig. 1.

The implication of each Reference numeral is as follows among the figure:

1 nail anvil, 2 nail bins

3a pin anvil shaft 3b pin anvil shaft

4 knobs, 5 firing handle

6 guiding grooves, 7 projections

The specific embodiment

As shown in Figure 1 and Figure 2, surgery bookbinding apparatus bookbinding head, comprise nail anvil 1 and nail bin 2, nail anvil 1 is connected with pin anvil shaft, and nail anvil 1 is provided with the nail forming tank, nail bin 2 is provided with the nail bin hole, nail bin is equipped with suturing nail in the hole, and the rear side of nail bin 2 is provided with pushing slice of nail, and the pushing slice of nail inboard is provided with cutter, pushing slice of nail is corresponding with the position in nail bin hole, and described nail bin 2, pushing slice of nail, cutter are curved shape.Its special feature is: described nail anvil 1 is fixedlyed connected with two pin anvil shaft 3a, 3b, and promptly pin anvil shaft 3a, 3b are connected the both sides of nail anvil 1, and its rear end links to each other with the governor motion at apparatus fuselage position.This governor motion is knob 4 normally, rotates this knob 4, and nail anvil 1 is moved to nail bin 2 directions.

Further combined with Fig. 2, pin anvil shaft 3a, above the 3b guiding groove 6 can be set, correspondingly, the both sides of nail bin 2 are provided with projection 7, and projection 7 embeds in the guiding grooves 6, makes nail anvil 1 cooperate with projection 7 at guiding groove 6 and moves under guiding.For the ease of the cutting and the stitching of tissue, the outside of described cutter is distributed with row's pushing slice of nail at least.Consider and use percussion facility of the present utility model, described firing lock is generally firing handle 5, and it links to each other with pushing slice of nail via the ejector pin bar, thereby plays the percussion effect in the use of this utility model cooperation apparatus.

This utility model is roughly as follows in conjunction with the assembling process of apparatus: at first pushing slice of nail is installed to by the ejector pin bar in the percussion lock of apparatus, then cutter is installed to the pushing slice of nail base, nail bin 2 covers are installed on the pushing slice of nail.During this period, make the nail bin hole corresponding, nail anvil 1 is installed on two pin anvil shaft 3a, the 3b, and then pin anvil shaft 3a, 3b are linked to each other by the adjustment structure of existing linkage commonly used with apparatus fuselage position with pushing slice of nail.At last, in nail bin 2, place the suturing nail of operation usefulness, can finish the assembling of apparatus.

In operation process, implement the medical worker of operation, earlier hemorrhoidal tissue is placed between nail anvil 1 and the nail bin 2.After hemorrhoidal tissue is put into apparatus fully, adjust adjustment structure---be knob 4, nail anvil 1 is drawn close to nail bin 2.Afterwards, the spacing between nail anvil 1 and the nail bin 2 is adjusted to suitable yardstick, pushes firing handle 5.Order about down at a handle 5, pushing slice of nail is released suturing nail from nail bin 2, and suturing nail is ordered into tissue, and the nail grooving on nail anvil 1 is finished shaping.Simultaneously, cutter reach and with unnecessary cutting tissue.At last, open nail anvil 1 and nail bin 2 and withdraw from apparatus, thereby finish whole cutting and binding operation by adjustment structure.Further, because this utility model has adopted two corresponding mutually pin anvil shaft 3a, 3b in position to support nail anvil 1, when nail anvil 1 was subjected to the impact of pushing slice of nail and cutter, the stressed unanimity of nail anvil 1 the right and left had been guaranteed the forming effect that operation is followed closely.

By above-mentioned text description also in conjunction with the accompanying drawings as can be seen, adopt after the crimp head, can realize the stress equalization that nail anvil is overall, make it more firm.Thus, it is more even to make suturing nail be shaped, and it is more fastening with the combination of tissue to guarantee to sew up the back, has guaranteed surgical effect.Therefore, this utility model has good application future in technical field of medical instruments, be worthy to be popularized.

Certainly, more than only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, this utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within this utility model scope required for protection.

Claims (2)

1, surgery bookbinding apparatus bookbinding head, comprise nail anvil and nail bin, nail anvil is connected with pin anvil shaft, nail anvil is provided with the nail forming tank, nail bin is provided with the nail bin hole, nail bin is equipped with suturing nail in the hole, the nail bin rear side is provided with pushing slice of nail, the pushing slice of nail inboard is provided with cutter, pushing slice of nail is corresponding with the position in nail bin hole, and described nail bin, pushing slice of nail, cutter are curved shape, it is characterized in that: described nail anvil is fixedlyed connected with two pin anvil shafts at least, and when being two pin anvil shafts, they are connected to the both sides of nail anvil.

2, surgery bookbinding apparatus bookbinding head according to claim 1 is characterized in that: described nail anvil is fixedlyed connected with two pin anvil shafts, and pin anvil shaft is provided with guiding groove, correspondingly, is provided with projection in the nail bin both sides, and projection embeds in the guiding groove of pin anvil shaft.

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