KR101711305B1 - Suturing device - Google Patents

Abstract

The present invention relates to a surgical suturing instrument that is used for biological tissue suturing and formed to be easily operated. The surgical suturing instrument according to the present invention for fulfilling the purpose described above includes: a handling unit including a handle; an operation unit connected to the handling unit; and a head portion formed to extend and connected to the operation unit. The head portion includes: a pusher unit allowed to reciprocate by the operation unit; a needle unit moving in contact with a part of the pusher unit; and a terminal end portion accommodating at least a part of the needle unit. The pusher unit is provided with a supporting unit pusher and a needle pusher, which press different parts on one side of the needle unit. The other side of the needle unit is accommodated in the terminal end portion as a result of an operation of the supporting unit pusher, and then the needle unit is separated from the terminal end portion as a result of an operation of the needle pusher. According to the present invention, effective tissue suturing can be performed with a small force during a suturing procedure. In addition, the present invention has a high level of durability and can be conveniently used.

Description

[0001] SUTURING DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a suture instrument used in laparoscopic surgery, and more particularly, to a surgical suture instrument used for suturing a living tissue and easily operated.

Conventional suturing instruments generally include a needle and needle pusher portion to allow tissue to be sealed with a suture, and a handle that can be easily operated by a user. When the user actuates the handle, the tissue may be perforated and the suture may be knotted through the tissue. Conventionally, there are cases where it is difficult to operate with one hand while holding the handle at the time of surgery.

Especially when knotting is necessary, a separate ancillary equipment is needed, and when the suture is twisted several times like fisherman's knots, there are many levers to operate, which causes inconvenience.

At this time, the suture devices that are simple to operate without auxiliary devices are mostly instruments equipped with straight sutures. Korean Patent No. 1153306 relates to a suture device that does not require an auxiliary device, and more particularly, to a suture device having a sticking guide for simultaneously gripping two tissues.

However, Korean Patent No. 1153306 has a structure composed of a plurality of links, and the connecting bar and the link portions are basically formed into a rod shape, so that they can be easily bent or deformed according to use. Accordingly, there is a disadvantage in that if the one member is bent slightly, the accuracy of the mechanism may be deteriorated.

At present, there is a need for a suture mechanism which is excellent in durability without requiring an auxiliary mechanism and can facilitate precise surgery.

KR 10-1153306 B1

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a suture instrument that is durable and can be effectively sutured even by using a small force.

According to an aspect of the present invention, there is provided a surgical suture apparatus including: an operating unit including a handle; An operating portion connected to the operating portion; And a head portion connected to the actuating portion, the head portion including: a pusher portion reciprocating by the actuating portion; A needle portion that moves in contact with a portion of the pusher portion; And a distal end receiving at least a portion of the needle portion, wherein the pusher portion is provided with a support pusher and a needle pusher, each pushing a different portion of one side of the needle portion, And the needle portion is separated from the distal end portion according to the operation of the needle pusher after the other side of the needle portion is received by the distal end portion according to the operation of the support portion pusher by a spring.

The operating portion includes a latch portion, a crank, and a plurality of gears that are positioned on the operating portion and cooperate with each other according to the operation of the handle. When the latch portion is moved according to the operation of the handle, At least one of the plurality of gears is rotated so that the crank connected to any one of the plurality of gears is rotated, and the pusher portion connected to at least a part of the crank is reciprocated.

The details of other embodiments are included in the detailed description and the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and / or features of the present invention and the manner of achieving them will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. And is provided to fully explain the scope of the present invention to those skilled in the art.

As described above, according to the present invention, it is possible to provide a suture instrument that can effectively seal a tissue even when using a small force when performing a suture operation, and has improved durability and is easy to use.

1 is a side view according to an embodiment of a surgical suture apparatus according to the present invention.
2 is an enlarged cross-sectional view of a part of a head of a surgical suture apparatus according to the present invention.
3A and 3B are perspective views for explaining the operation principle of the needle pusher of the surgical suture apparatus according to the present invention.
4A and 4B are perspective views illustrating the operation principle of the latching portion of the surgical suture apparatus according to the present invention.
5 is an enlarged view for explaining the operation principle of the first gear and the second gear of the surgical suture apparatus according to the present invention.
6 is an enlarged view showing a gear portion of the surgical suture apparatus according to the present invention.
7A to 7C are enlarged views for explaining the operation principle of the pusher control part, the third gear and the crank of the surgical suture instrument according to the present invention.
8A to 8D are side views for explaining the operation principle of the surgical suturing apparatus according to the present invention.

Hereinafter, a surgical suture apparatus of the present invention will be described with reference to the accompanying drawings.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor can properly define the concept of the term to describe its invention in the best way Should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise. Also, the terms " part, ""unit,""module," and "device ", etc. described in the specification mean units for processing at least one function or operation.

First, a configuration according to an embodiment of the surgical suture apparatus according to the present invention will be described with reference to FIG.

1 is a side view according to an embodiment of a surgical suture apparatus according to the present invention. One embodiment of a surgical suture apparatus according to the present invention includes a head portion 100, an operation portion 200, and an operation portion 300. The head unit 100 is connected to and extended from the operation unit 200, and the operation unit 200 is positioned on the operation unit 300.

1, the operation unit 300 includes a first arm 310, a second arm 320 rotatably connected to the first arm 310, and a handle 330 extending from the second arm 320 The first arm 310 and the second arm 320 move as the pair of the grips 330 approach and move away from each other. The first arm 310, the second arm 320 and the handle 330 are each formed of a pair and the first arm 310 and the second arm 320 can rotate about the same axis have.

The actuating part 200 includes a first gear 211 and a second gear 212 and a part of the first gear 211 and the second gear 212 and the center of the second gear 212 And a cover part 220 fixed to the shaft.

Referring to FIG. 2, the head 100 according to an embodiment of the surgical suture apparatus according to the present invention will be described in more detail.

The head portion 100 includes a needle portion 110, a pusher portion 120, and a distal end portion 130 that form an end portion. The needle portion 110 includes a channel portion 111 having a sharp end portion, a support portion 112 connected to the opposite side of the channel portion 111 and a groove 113 capable of accommodating a sealable object, for example, a tissue portion do.

The pusher portion 120 includes a support portion pusher 121 for pressing a part of the support portion 112, a pusher control portion 122 for moving and interacting with the members constituting the operation portion 200, And a spring 124 for easy positional restoration of the needle pusher 123 and the members of the pusher portion 120 to press the portion. The spring 124 may be composed of springs 124a and 124b so as to be positioned on both sides of the support portion 112. [

The distal end portion 130 can accommodate a part of the channel portion 111 and the magnet portion 131 can be provided on the inner side to more easily accommodate the channel portion 111 of the metal in the distal end portion 130.

The operation principle of the needle pusher of the surgical suturing apparatus according to the present invention will be described with reference to FIGS. 3A and 3B.

3A shows a case in which the knobs 330 in pairs are moved in a direction in which they are spaced apart from each other in a direction indicated by an arrow. This may mean that the grips 330 are spaced apart, that is, spread apart, by the springs 124 when the grips 330 that have been squeezed are loosened. At this time, the needle pusher 123 is moved backward, and the passage portion 111 and the support portion 112 are also moved backward.

FIG. 3B shows a case in which the knob 330 is pushed in a direction in which the pair of knobs 330 converge with each other, as shown by the arrows. At this time, the needle pusher 123 advances and presses the support part 112, so that the cylinder 111 advances together.

The needle pusher 123 and the needle portion 110 are linearly moved by the operation of the knob 330. [ At this time, it is preferable that the knob 330 is formed so that one knot can be formed by pressing the knob 330 twice. Further, it is preferable that the second gear 212 is rotated by 20 degrees every time the knob 330 is pressed once, and accordingly, the first gear 211b is rotated by 90 degrees.

The principle that a single knot can be obtained by squeezing the knob 330 twice will be described with reference to Figs. 4A to 8D.

4A to 5, the operation principle of the latching portion 201 of the surgical suture apparatus according to the present invention and the first gear 211 and the second gear 212 will be described. The engaging portion 201 is engaged with the teeth B of the second gear 212 to rotate the second gear 212 in one direction to prevent reverse rotation. The second gear 212 is rotated by engaging the engagement portion 201 provided on the second arm 320 connected to the handle 330 with the tooth B as the handle 330 is moved.

At this time, it is preferable that the second gear 212 and the first gear 211 are formed of two gears having different gear ratios. Of the two gears constituting the second gear 212, the teeth A of the gear having a smaller gear ratio are the gears 211a and 211b having the smaller gear ratio among the two gears constituting the first gear 212 Can be engaged and rotated together.

As shown in Fig. 5, the gear 211b having the larger gear ratio among the first gears 211 is divided into a tooth portion C and a toothless portion D, respectively. 6, the third gear 213 is formed to engage with the toothed portion C of the first gear 211b. When the third gear 213 is engaged with the toothed portion C, the third gear 213 is rotated by the first gear 211b. The third gear 213 is not rotated at the time when the first gear 211b rotates and the third gear 213 corresponds to the toothless portion D. [

The first gear 211b is rotated by about 90 degrees every time the knob 330 is pressed so that the third gear 213 rotates while the tooth C is engaged with the third gear 213, The crank 202 fixed to a part of the pusher control part 213 rotates and the pusher control part 122 linearly moves. The pusher manipulating unit 122 does not move forward when the portion D where the teeth are not formed corresponds to the third gear 213.

FIG. 7A shows that the crank 202 is moved by the rotation of the third gear 213, and the pusher control portion 122 is moved backward. FIG. 7B shows that the crank 202 and the pusher manipulating portion 122 are stopped by the third gear 213 not rotating. 7C shows that the crank 202 is moved by the rotation of the third gear 213 again so that the pusher control portion 122 advances. The pusher control unit 122 can be linearly reciprocated according to the operation of the first gear 211, the second gear 212 and the third gear 213.

An embodiment of the surgical suture apparatus according to the present invention will be described with reference to Figs. 8A to 8D. Figs. 8A and 8B show the first pressing process of the handle 330. Fig. The needle pusher 123 moves forward to press the support portion 112 when the handle 330 is pressed while the suture thread 400 is connected to the passage 111. [ At the same time, the first gear 211b is rotated, and the tooth C is engaged with the third gear 213. [ The third gear 213 rotates one turn and the cylinder 111 advances. The cylinder lid 111 is pushed by the support portion pusher 121 and dragged to the magnet portion 131 and accommodated in the distal end portion 130. At this time, when the object to be sealed is placed in the groove 113, the object to be sealed is passed through the through-hole 111 and the object to be sealed is caught in the suture 400.

Figs. 8C and 8D show a second pressing process. Fig. When the knob 330 having been squeezed is released, the knob 330 is again spaced apart by the spring 124. A portion of the passage 111 connected to the suture 400 is fixed to the magnet portion 131 and the toothless portion D of the first gear 211b corresponds to the third gear 213, The third gear 213 does not rotate. When the second press is performed, the needle pusher 123 advances but the support portion pusher 121 does not advance because the third gear 213 does not rotate. At this time, when the object to be sealed is placed in the groove 113, the object to be sealed is pierced by the passage 111, but the suture 400 does not pass through.

The support portion pusher 121 is brought into contact with a part of the support portion 112 and is positioned inside the needle pusher 123. [ Finally, when the handle 330 is released once more, the state of FIG. 8A is restored. At this time, the suture 400 attached to the object to be sutured by the first squeeze passes through the object to be sutured by releasing the second squeeze. That is, the needle portion 110 reciprocates through the two squeezing operations, so that the suture 400 passes through the object to be sewn, and the suture can be effectively formed.

In the suture mechanism including the operating part 300 including the handle 330, the operating part 200 connected to the operating part 300, and the head part 100 extended from the operating part 200, In particular, the actuating part 200 configured to be capable of the reciprocating motion of the pusher part 120 according to an embodiment of the present invention is preferably, but not limited to, the structure as described hereinabove.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be understood by those skilled in the art that various changes, modifications, substitutions, and equivalents may be made therein without departing from the spirit and scope of the invention.

100: head portion
110: Needle portion
111: Through the study
112: Support
113: Home
120: pusher portion
121: Support pusher
122: pusher control unit
123: Needle pusher
124, 124a, 124b: spring
130:
131:
200:
201:
202: Crank
210: gear portion
211, 211a, and 211b:
212: second gear
213: Third gear
220: Cover part
300:
310: first cancer
320: second arm
330: Handle

Claims (2)

An operating portion including a handle;
An operating portion connected to the operating portion; And
And a head portion extending and connected to the operation portion,
Wherein:
A pusher portion that linearly moves by the operation portion;
A needle portion that moves in contact with a portion of the pusher portion; And
And a distal end receiving at least a portion of the needle portion,
The support portion pusher and the needle pusher are provided in the pusher portion to press different portions of the needle portion at one side and the other side of the needle portion is received in the distal portion according to the operation of the support portion pusher, Characterized in that the needle portion is separated from the distal end by a spring positioned between the needle pusher and the needle pusher,
Surgical suture.
The method according to claim 1,
The operating portion includes a first gear, a second gear, and a third gear of different sizes, which are located on the operating portion and mutually act upon each other according to the operation of the handle, a crank,
The first gear is rotated while the second gear is rotated, and when the handle is engaged with the first gear, the third gear is rotated , The crank connected to the third gear is rotated, and the pusher portion connected to at least a part of the crank is reciprocated.
Surgical suture.

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