KR102554908B1 - Staple apparatus for surgical - Google Patents

Abstract

One embodiment of the present invention provides a surgical stapling device having a simple configuration. Here, the surgical staple device includes a loading unit having a cutter for excising body tissues and staples for suturing the ablated area, and a handle unit for controlling the operation of the loading unit from which the loading unit is detachable. As such, the handle unit includes a handle case portion, a driving shaft portion, an operating handle portion, a first stopper portion, and a second stopper portion. The drive shaft unit is provided to be reciprocally movable in the forward and backward directions inside the handle case unit. The operating handle portion is provided to be hingedly rotated to the handle case portion. The first stopper portion is provided on one side of the drive shaft portion and selectively restricts the forward movement of the drive shaft portion while moving in the vertical direction by the operation of the operating handle portion. The second stopper part is provided to be able to move up and down below the front end of the drive shaft part, and when it is raised, it is in close contact with the lower surface of the drive shaft part.

Description

Surgical staple device {STAPLE APPARATUS FOR SURGICAL}

The present invention relates to a surgical stapling device, and more particularly, to a surgical stapling device having a simple configuration.

Surgical stapling devices are used to clamp or cut tissue and to staple clamped or cut tissue. As such, the surgical staple device has mechanisms for clamping or cutting tissue and mechanisms for driving staples through tissue.

And, the surgical stapling device has a configuration of a plurality of triggers and handles along with complex mechanisms to provide clamping or proper stapling of cut tissue.

However, such a complicated mechanism may be a potential cause of a failure of the device or a user feeling confused. In addition, such a complex mechanism increases the number of parts, resulting in a complicated structure and a complicated manufacturing process. Accordingly, there is a need for a surgical staple device having a simple configuration and not having a complicated mechanism.

Republic of Korea Patent Publication No. 2020-0126409 (2020.11.06. Publication)

In order to solve the above problems, a technical problem to be achieved by the present invention is to provide a surgical staple device having a simple configuration.

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

In order to achieve the above technical problem, an embodiment of the present invention is a loading unit having a cutter for cutting tissue of the body and staples for sealing the cut portion, and the loading unit is detachable and controls the operation of the loading unit. A surgical stapling device comprising a handle unit for use, the handle unit comprising: a handle case; a drive shaft portion provided to be reciprocally movable in the forward and backward directions inside the handle case portion; an operating handle portion provided to rotate the hinge on the handle case portion; a first stopper part provided on one side of the drive shaft part and selectively restraining the forward movement of the drive shaft part while moving in the vertical direction by the operation of the operating handle part; And a second stopper part provided to be liftable at the lower side of the front end of the drive shaft part and in close contact with the lower surface of the drive shaft part when lifted, the drive shaft part is formed on the lower surface so that the force applied in the front is input. A ratchet and a second ratchet formed on a side surface in an opposite direction to the first ratchet, and in an initial state, the operating handle unit pushes up the first stopper unit so that the first stopper unit is coupled to the second ratchet. And, when the operation handle is rotated in the pulling direction, the first stopper is lowered and the engagement with the second ratchet is released.

delete

In an embodiment of the present invention, the first stopper unit is provided to move up and down with the first sliding body, the upper end is in close contact with the handle case, and the lower end is in close contact with the first sliding body, so that the first sliding body is lowered. It may have a first elastic member for elastic support as much as possible.

In an embodiment of the present invention, the first sliding body has a long groove extending in the vertical direction, the first elastic member is provided in the long groove, the upper end is in close contact with the handle case, and the lower end is of the long groove. It is in close contact with the lower end and can elastically support the first sliding body downward.

In an embodiment of the present invention, the handle case portion has a fixing protrusion extending to an inner upper portion of the janghom, and an upper end of the first elastic member may be in close contact with a lower end of the fixing protrusion.

In an embodiment of the present invention, the first stopper portion protrudes upward from the front end of the first sliding body to correspond to the second ratchet, and is coupled to the second ratchet when the first sliding body rises. It may have a first stop protrusion.

In an embodiment of the present invention, the handle case portion may have a first guide protrusion that is in close contact with the front and rear surfaces of the first sliding body to guide the elevation of the first sliding body.

In an embodiment of the present invention, the first stopper portion may have an inclined protrusion protruding downward from the front end of the first sliding body and having a front surface formed as a first inclined surface.

In an embodiment of the present invention, the operating handle portion is formed protruding from the upper end of the operating handle portion so that the first sliding body is moved upward by pressing the first inclined surface when the operating handle portion is rotated from the pulled state to the initial state. It may have a pressing protrusion.

In an embodiment of the present invention, it is provided to rotate the hinge at the upper end of the operating handle portion, when the operating handle portion is rotated in a pulling direction, the first ratchet caught on the drive shaft may include a latch portion that pushes forward there is.

In an embodiment of the present invention, the second stopper unit is provided to move up and down the second sliding body, the lower end is in close contact with the handle case, and the upper end is in close contact with the lower end of the second sliding body, so that the second sliding body It may include a second elastic member for supporting the elastic upward.

In an embodiment of the present invention, the drive shaft portion has a second inclined surface formed on a lower surface of the front end portion and an inclined groove formed behind the second inclined surface on the lower surface of the front end portion of the drive shaft portion, and the second stopper unit It protrudes from the upper part of the second sliding body and has a second stop protrusion having a third inclined surface, and when the drive shaft unit moves forward in a state in which the third inclined surface is in close contact with the second inclined surface, the second stopper While the part descends and then rises again, it is coupled to the inclined groove to restrain the rearward movement of the drive shaft part.

In an embodiment of the present invention, the handle case portion may have a second guide protrusion that is in close contact with the front and rear surfaces of the second sliding body to guide the lifting of the second sliding body.

According to an embodiment of the present invention, the driving shaft unit has a second ratchet, and the first stopper unit coupled to the second ratchet is provided so that the driving shaft unit can be prevented from moving forward unintentionally. Also, when the operation handle is pulled and the drive shaft is moved forward, the first stopper and the second ratchet may be naturally disengaged.

Further, according to an embodiment of the present invention, when the driving shaft unit moves forward, the second stopper unit is configured to naturally descend by the driving shaft unit. Accordingly, a separate link structure connecting the operating handle unit and the second stopper unit can be omitted and the configuration can be simplified.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a perspective view showing a surgical stapling device according to an embodiment of the present invention.
FIG. 2 is a perspective view showing the inside of a handle unit in a surgical stapling device according to an embodiment of the present invention.
FIG. 3 is a perspective view of FIG. 2 with the handle case removed.
4 is a perspective view showing a drive shaft of a surgical stapling device according to an embodiment of the present invention.
5 is a perspective view showing a first stopper part of a surgical stapling device according to an embodiment of the present invention.
6 is a perspective view showing a part of the handle case of the surgical stapling device according to an embodiment of the present invention.
FIG. 7 is a perspective view illustrating part “A” of FIG. 6 .
8 is an exemplary view showing a coupled state of a first stopper part and a handle case part of a surgical stapling device according to an embodiment of the present invention.
9 is an exemplary diagram for explaining an operation of a first stopper unit in a surgical stapling device according to an embodiment of the present invention.
10 is a perspective view showing a second stopper part of a surgical stapling device according to an embodiment of the present invention.
11 is a perspective view showing part "B" of FIG. 6;
12 is an exemplary diagram for explaining the operation of the second stopper unit in the surgical stapling device according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and, therefore, is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this is not only "directly connected", but also "indirectly connected" with another member in between. "Including cases where In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a surgical stapling device according to an embodiment of the present invention.

As shown in FIG. 1, the surgical staple device includes a loading unit 10 having a cutter (not shown) for cutting body tissues and a staple (not shown) for suturing the cut portion, and the loading unit 10. It is detachable and may include a handle unit 20 for controlling the operation of the loading unit 10 . The loading unit 10 is not particularly limited as long as it has cutters and staples that implement the functions described above. Hereinafter, the handle unit 20 will be described in detail.

FIG. 2 is a perspective view showing the inside of the handle unit in the surgical stapling device according to an embodiment of the present invention, specifically, with the first case portion 110 (see FIG. 1) removed. FIG. 3 is a perspective view of FIG. 2 with the handle case removed, and FIG. 4 is a perspective view of the driving shaft of the surgical stapling device according to an embodiment of the present invention.

As shown in FIGS. 1 to 4 , the handle unit 20 may include a handle case part 100 , a drive shaft part 200 , an operation handle part 300 and a first stopper part 400 .

The handle case unit 100 may form an outer case of the handle unit 20 . The handle case unit 100 may have a first case unit 110 and a second case unit 130, and the first case unit 110 and the second case unit 130 are entirely except for a part. They may be formed symmetrically with each other.

Hereinafter, for convenience of description, the direction from the handle unit 20 to the loading unit 10 is the forward direction (FW), and the direction from the loading unit 10 to the handle unit 20 is the rear direction (BW). Based on this, the front end / front end / front / front side / front side, rear end / rear end / rear / rear side will be described.

The drive shaft unit 200 may be provided to reciprocate in the forward and backward directions inside the handle case unit 100 . The drive shaft unit 200 may have a shaft body 210 , a first ratchet 220 and a second ratchet 230 .

The shaft body 210 may form the body of the drive shaft unit 200 and may be formed in a form extending in the forward and backward directions.

The first ratchet 220 may be formed on the lower surface 211 of the shaft body 210, and may be formed in plurality along the longitudinal direction of the shaft body 210. The first ratchet 220 may be formed to input only forwardly applied force. That is, when force applied forward is applied to the first ratchet 220, the shaft body 210 may be moved forward. On the other hand, force applied to the rear may not be input to the first ratchet 220, and the shaft body 210 may not move backward.

Meanwhile, the second ratchet 230 may be formed on the side surface 212 of the shaft body 210 and may be formed in the opposite direction to the first ratchet 220 . When the second ratchet 230 is coupled to the fixed structure, the shaft body 210 may be constrained from moving forward.

A connecting rod 11 connected to the cutter of the loading unit 10 may be coupled to the front end of the driving shaft unit 200 . When the drive shaft unit 200 moves forward, the connecting rod 11 also moves forward, and accordingly, the cutter can be pushed forward. The cutter, which is pushed forward, can cut the body's tissue, and the staple can be fired so that the tissue can be sutured.

In addition, the drive shaft unit 200 may have a second inclined surface 240 , an inclined groove 250 and a locking jaw 225 .

The second inclined surface 240 may be formed on the lower surface 211 of the front end of the shaft body 210 . The inclined groove 250 may be formed behind the second inclined surface 240 on the lower surface 211 of the front end of the shaft body 210 . In addition, the locking jaw 225 may be formed at the rear of the inclined groove 250 on the lower surface 211 of the front end of the shaft body 210 .

An upper portion of the operating handle portion 300 may be provided inside the handle case portion 100, and the remaining portion may extend to the outside of the handle case portion 100. A first hinge hole 301 may be formed through an upper portion of the operation handle unit 300 . Also, the handle case unit 100 may have a first hinge shaft 111 (see FIG. 6 ), and the first hinge shaft 111 may be coupled to the first hinge hole 301 . Through this, the operation handle unit 300 can be hingedly rotated about the first hinge shaft 111 .

A handle spring 340 may be provided inside the handle case unit 100 . A rear end of the handle spring 340 may be fixed to the handle case 100 , and a front end of the handle spring 340 may be connected to an upper end of the operating handle 300 . The handle spring 340 may generate a contraction restoring force. Accordingly, the handle spring 340 pulls the upper end of the operating handle 300 backward, and when the upper end of the rotating operating handle 300 comes into close contact with the first stopper 400, the rotation can be stopped. Hereinafter, as shown in FIG. 3 , a state in which rotation is stopped while the upper end of the operating handle 300 is in close contact with the first stopper 400 is referred to as an “initial state”.

The first stopper part 400 may be provided below the driving shaft part 200 at the rear of the upper end of the operation handle part 300 . Specifically, when the drive shaft unit 200 is in a state located at the rearmost side of the handle case unit 100 (hereinafter referred to as a "basic state"), the first stopper unit 400 is the driving shaft unit 200. It may be provided on the lower side of the second ratchet 230 .

5 is a perspective view showing a first stopper part of a surgical stapling device according to an embodiment of the present invention, and FIG. 6 is a perspective view showing a part of the handle case part of the surgical stapling device according to an embodiment of the present invention. 7 is a perspective view showing part “A” of FIG. 6, and FIG. 8 is an exemplary view showing a coupled state of the first stopper part and the handle case part of the surgical staple device according to an embodiment of the present invention.

As shown in FIGS. 5 to 8 , the first stopper part 400 may have a first sliding body 410 , a first stop protrusion 420 and an inclined protrusion 430 .

The first sliding body 410 may form the body of the first stopper part 400 . The first sliding body 410 may have a long groove 411 extending in the vertical direction.

The handle case unit 100 may have first guide protrusions 113a and 113b formed as a pair, and the first sliding body 410 may have a first installation space between the first guide protrusions 113a and 113b. 114) may be provided. The first guide protrusions 113a and 113b may extend upward and downward, and the first sliding body 410 may move up and down in the first installation space 114 . When the first sliding body 410 is provided in the first installation space 114, the front surface of the first sliding body 410 can be in close contact with the first guide protrusion 113a on the front side, and the first sliding body 410 ) may be in close contact with the rear first guide protrusion 113b. Therefore, when the first sliding body 410 moves up and down, the first guide protrusions 113a and 113b can guide the first sliding body 410 to move up and down stably.

And, the handle case portion 100 may have a fixing protrusion 112 . The fixing protrusion 112 may protrude and extend from the upper side of the first installation space 114 . When the first sliding body 410 is positioned in the first installation space 114, the fixing protrusion 112 may be inserted into the long groove 411. The fixing protrusion 112 may be located on the upper side of the janghom 411 inside.

The first stop protrusion 420 may protrude upward from the front end of the first sliding body 410 and may be formed to correspond to the second ratchet 230 . The upper surface 421 of the first stop protrusion 420 may be formed to be inclined.

The inclined protrusion 430 may protrude downward from the front end of the first sliding body 410, and the front surface may be formed as the first inclined surface 431.

The first stopper part 400 may have a first elastic member 450 . The upper end of the first elastic member 450 is in close contact with the handle case part 100 and the lower end is in close contact with the first sliding body 410 so that the first elastic member 450 can be elastically supported so that the first sliding body 410 is lowered. Specifically, the first elastic member 450 may be provided in the long groove 411 . The upper end of the first elastic member 450 inserted into the long groove 411 may be in close contact with the lower end of the fixing protrusion 112, and the lower end may be in close contact with the lower end of the long groove 411. The first elastic member 450 may generate an elongation restoring force. Therefore, based on the fixing protrusion 112, the first elastic member 450 pushes the lower end of the long groove 411 downward, and as a result, the first elastic member 450 has a first sliding body ( 410) can be elastically supported downward.

Again, referring to FIGS. 2 and 3 , the operation handle part 300 may have a pressing protrusion 310 . The push protrusion 310 may protrude from the upper end of the operation handle part 300, and when the operation handle part 300 is pulled and rotated by the handle spring 340, the push protrusion 310 moves along the first inclined surface 431. can pressurize.

9 is an exemplary diagram for explaining an operation of a first stopper unit in a surgical stapling device according to an embodiment of the present invention.

As shown in (a) of FIG. 9 , when the drive shaft part 200 is in a basic state and the operation handle part 300 is in an initial state, the pressing protrusion 310 of the operation handle part 300 is the first inclined surface ( 431) is pressurized. Then, the first sliding body 410 is moved upward, and the first elastic member 450 can be compressed. Also, the first stop protrusion 420 is coupled to the second ratchet 230, and thus, the driving shaft unit 200 may be restrained from moving forward. This may provide an effect of preventing the drive shaft portion from being moved forward unintentionally.

Meanwhile, the surgical staple device may include a clasp 600 . The clasp part 600 is coupled to the upper end of the operating handle part 300 by the second hinge shaft 610 and can be hingedly rotated about the second hinge shaft 610 . A torsion spring (not shown) may be provided on the second hinge shaft 610 to provide elastic force for allowing the front end of the clasp 600 to rotate upward. A pusher 620 may be formed at the front end of the clasp 600 .

As shown in (a) of FIG. 9 , when the operating handle 300 is in an initial state, the rear end of the clasp 600 may be pressed by the first guide protrusion 113a (see FIG. 7 ), and thus the clasp 600 may be pressed. Rotation of the unit 600 is restricted so that the pusher 620 may be spaced apart from the lower surface of the driving shaft unit 200 .

Then, as shown in (b) of FIG. 9, when the operation handle part 300 is pulled by the user (A1), that is, the upper part of the operation handle part 300 is moved forward around the first hinge axis 111. When rotated, the pressing protrusion 310 prevents the inclined protrusion 430 from being pressed. Then, the first stopper part 400 is moved downward by the elastic restoring force of the first elastic member 450, the first stop protrusion 420 is separated from the second ratchet 230, and the coupling can be released. .

At the same time, since the rear end of the clasp 600 also separates from the first guide protrusion 113a, restraint by the first guide protrusion 113a can be released. Then, the front end of the clasp 600 can be rotated upward by the elastic restoring force of the torsion spring, and the pusher 620 can come into close contact with the lower surface 211 of the driving shaft 200 . And, when the rotation (A1) of the operation handle part 300 continues, the pusher 620 is caught by the locking jaw 225 of the drive shaft part 200 while moving forward, and the drive shaft part 200 moves forward. can be pushed out

Thereafter, when the user's pulling force on the operation handle part 300 is removed, the operation handle part 300 may be rotated back to the initial state by the elastic restoring force of the handle spring 340 (see FIG. 3 ). At this time, since the drive shaft part 200 is already moved forward by a certain distance, even if the first stopper part 400 is raised, the first stopper part 400 is not coupled with the second ratchet 230. do. And, when the operation handle part 300 is pulled again by the user, the pusher 620 may be coupled to the first ratchet 220, and the pusher 620 pushes the first ratchet 220 forward. Accordingly, the drive shaft unit 200 may be moved forward.

Meanwhile, the surgical stapling device may include a second stopper unit 500 . The second stopper part 500 may be provided on the lower side of the front end of the driving shaft part 200 so as to be able to move up and down.

10 is a perspective view showing a second stopper of a surgical stapling device according to an embodiment of the present invention, FIG. 11 is a perspective view showing part “B” of FIG. 6, and FIG. It is an exemplary view for explaining the operation of the second stopper unit in the surgical stapling device.

As shown in FIGS. 10 to 12 together with FIG. 3 , the second stopper part 500 may have a second sliding body 510, a second stop protrusion 520 and a second elastic member 550. .

The second sliding body 510 may form the body of the second stopper part 500 . The handle case unit 100 may have second guide protrusions 115a and 115b formed as a pair, and the second sliding body 510 may have a second installation space between the second guide protrusions 115a and 115b. 116) may be provided. The second guide protrusions 115a and 115b may extend upward and downward, and the second sliding body 510 may move up and down in the second installation space 116 . When the second sliding body 510 is provided in the second installation space 116, the front surface 511 of the second sliding body 510 can come into close contact with the front second guide protrusion 115a, and the second sliding body 510 The rear surface 512 of the body 510 may come into close contact with the rear second guide protrusion 115b. Therefore, when the second sliding body 510 moves up and down, the second guide protrusions 115a and 115b can guide the second sliding body 510 to move up and down stably.

The second stop protrusion 520 may protrude from the top of the second sliding body 510 . A third inclined surface 521 may be formed on the upper surface of the second stop protrusion 520 . When the second sliding body 510 is moved upward, the second stop protrusion 520 may come into close contact with the lower surface of the drive shaft unit 200 . Specifically, the third inclined surface 521 of the second stop protrusion 520 may come into close contact with the second inclined surface 240 of the driving shaft unit 200 .

Also, the second elastic member 550 may be provided in the second installation space 116 . The upper end of the second elastic member 550 may be in close contact with the lower end of the second sliding body 510, and the lower end may be in close contact with the handle case part 100. A groove 117 may be formed in the handle case portion 100 so that the lower end of the second elastic member 550 is stably fixed. The second elastic member 550 may elastically support the second stopper part 500 upward.

When the driving shaft part 200 is in a basic state, the third inclined surface 521 of the second stop protrusion 520 may be in close contact with the second inclined surface 240 of the driving shaft part 200 (FIG. 12). see (a) of). In this state, when the operation handle part 300 is pulled and the pusher 620 is caught on the locking jaw 225 and pushes the drive shaft part 200 forward, the third inclined surface 521 is the second inclined surface ( While sliding at 240, the second stopper part 500 can naturally descend (see FIG. 12(b)). Then, when the forward movement of the drive shaft unit 200 continues, the second elastic member 550 is elastically restored and the second stopper unit 500 rises again, and the second stop protrusion 520 is driven by the drive shaft unit. It may be coupled to the inclined groove 250 of 200 (see (c) in FIG. 12). When the drive shaft unit 200 is moved forward and the second stop protrusion 520 is coupled to the inclined groove 250, as described above, the second ratchet 230 is also moved forward and the first stopper unit It cannot be located on the upper side of (400). Therefore, even if the operation handle part 300 returns to the initial state again, the first stopper part 400 cannot be coupled to the second ratchet 230, but the second stopper part 500 prevents the drive shaft part ( 200) may be constrained from moving backwards. This can provide an effect of preventing the drive shaft portion from being unintentionally moved rearward.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

10: loading unit 20: handle unit
100: handle case part 112: fixing protrusion
114: first installation space 116: second installation space
200: drive shaft part 220: first ratchet
230: second ratchet 300: operating handle
310: pressing protrusion 400: first stopper part
410: first sliding body 411: long groove
420: first stop protrusion 430: inclined protrusion
450: first elastic member 500: second stopper part
510: second sliding body 520: second stop protrusion
550: second elastic member 600: clasp
620: pusher

Claims (13)

A surgical staple device including a loading unit having a cutter for excising body tissue and staples for suturing the ablated area, and a handle unit for controlling an operation of the loading unit from which the loading unit is detachable, comprising:
The handle unit
handle case;
a drive shaft portion provided to be reciprocally movable in the forward and backward directions inside the handle case portion;
an operating handle portion provided to rotate the hinge on the handle case portion;
a first stopper part provided on one side of the drive shaft part and selectively restraining the forward movement of the drive shaft part while moving in the vertical direction by the operation of the operating handle part; and
A second stopper portion provided to be liftable at the lower side of the front end of the drive shaft portion and in close contact with the lower surface of the drive shaft portion when lifted;
The drive shaft unit has a first ratchet formed on a lower surface to input force applied forward and a second ratchet formed on a side surface in a direction opposite to the first ratchet,
In the initial state, the operation handle part pushes up the first stopper part so that the first stopper part is coupled to the second ratchet, and when the operation handle part is rotated in the pulling direction, the first stopper part is lowered to the second ratchet. A surgical staple device, characterized in that the engagement with the second ratchet is released. delete According to claim 1,
The first stopper part
A first sliding body provided to be moved up and down;
The surgical staple device, characterized in that the upper end has a first elastic member that is in close contact with the handle case and the lower end is in close contact with the first sliding body and elastically supports the first sliding body to descend. According to claim 3,
The first sliding body has a long groove extending in the vertical direction,
The first elastic member is provided in the jang groove, the upper end is in close contact with the handle case, and the lower end is in close contact with the lower end of the jang groove to elastically support the first sliding body downward. According to claim 4,
The surgical staple device of claim 1 , wherein the handle case portion has a fixing protrusion extending upwardly inside the long groove, and an upper end of the first elastic member is in close contact with a lower end of the fixing protrusion. According to claim 3,
The first stopper portion is formed protruding upward from the front end of the first sliding body to correspond to the second ratchet and has a first stop protrusion coupled to the second ratchet when the first sliding body rises. Surgical staple device. According to claim 3,
The handle case portion is in close contact with the front and rear surfaces of the first sliding body and has a first guide protrusion for guiding the elevation of the first sliding body. According to claim 3,
The first stopper part
The surgical staple device, characterized in that it has an inclined protrusion protruding downward from the front end of the first sliding body and having a front surface formed as a first inclined surface. According to claim 8,
the operating handle
and a pressing protrusion protruding from an upper end of the operating handle portion so that the first sliding body is moved upward by pressing the first inclined surface when the operating handle portion is rotated from a pulled state to an initial state. According to claim 1,
and a clasp portion provided to rotate at an upper end of the operating handle portion and, when the operating handle portion is rotated in a pulling direction, engages with the first ratchet and pushes the drive shaft portion forward. According to claim 1,
The second stopper part
A second sliding body provided to be moved up and down;
The surgical staple device comprising a second elastic member for elastically supporting the second sliding body upward by being in close contact with the lower end of the second sliding body, the lower end being in close contact with the handle case, and the upper end being in close contact with the lower end of the second sliding body. According to claim 11,
The drive shaft portion has a second inclined surface formed on a lower surface of the front end portion and an inclined groove formed behind the second inclined surface on the lower surface of the front end portion of the drive shaft portion,
The second stopper part protrudes from the upper part of the second sliding body and has a second stop protrusion having a third inclined surface,
When the drive shaft part is moved forward while the third inclined surface is in close contact with the second inclined surface, the second stopper part descends and rises again while being coupled to the inclined groove to restrict the backward movement of the drive shaft part. Characterized by a surgical staple device. According to claim 11,
The handle case portion is in close contact with the front and rear surfaces of the second sliding body and has a second guide protrusion for guiding the ascending and descending of the second sliding body.

Images