WO2018155778A1

WO2018155778A1 - Trocar open wound suturing device

Info

Publication number: WO2018155778A1
Application number: PCT/KR2017/009996
Authority: WO
Inventors: 박성수
Original assignee: 고려대학교 산학협력단
Priority date: 2017-02-27
Filing date: 2017-09-12
Publication date: 2018-08-30
Also published as: KR20180098739A; KR102007308B1

Abstract

The present invention provides a device for suturing an open wound generated in the abdomen by a trocar and, more particularly, to a trocar open wound suturing device comprising: a body (110) inserted through the trocar; a first rotating rod (120a) coupled to the body to be able to rotate bidirectionally around a first rotational axis; a second rotating rod (120b) coupled to the body to be able to rotate bidirectionally around a second rotational axis; a first suturing needle (130a) moved by a rotation of the first rotating rod; a second suturing needle (130b) moved by a rotation of the second rotating rod; a suture thread (140) connecting the first suturing needle and the second suturing needle; and a driving motor (170) for providing the first rotating rod and the second rotating rod with rotational power, wherein the first rotational axis and the second rotational axis extend perpendicularly to the trocar insertion direction, the first suturing needle has a circular arc shape and is arranged around the first rotational axis, and the second suturing needle has a circular arc shape and is arranged around the second rotational axis.

Description

Trocar opening window closure device

The present invention relates to a laparoscopy technique, and more particularly, to a device for suturing an open window generated by a trocar during a laparoscopy procedure.

Laparoscopic surgery, unlike the conventional open surgery, incision to the abdomen 0.5cm to 1cm through a plurality of holes and laparoscopic insertion to observe the inside of the abdominal cavity. Trocar is installed through the skin and peritoneum during laparoscopic surgery to guide the laparoscopic and surgical instruments into the laparoscopic. During laparoscopic surgery, open windows caused by trocars occur on the skin and peritoneum. The open window by the trocar is sutured by suture, which is difficult for the obese patient with a thick fat layer between the peritoneum and the skin layer. Accordingly, there is a need for a technique for easily closing the trocar opening window.

(Patent Document 1) Republic of Korea Utility Model Registration No. 20-0473904 "Laparoscopy Surgery Trocar" (2014.08.08.)

It is an object of the present invention to provide a suture device which can easily suture an open window generated in the abdomen by a trocar during laparoscopic surgery.

In order to achieve the above object of the present invention, according to an aspect of the present invention,

An apparatus for closing an open window generated in the abdomen by trocar,

A body 110 inserted through the trocar; A first rotating rod (120a) coupled to the body to enable bidirectional rotation about a first rotating shaft; A second rotation rod (120b) coupled to the body to enable bidirectional rotation about a second rotation axis; A first sewing needle (130a) moving by the rotation of the first rotating rod; A second sewing needle (130b) moving by the rotation of the second rotating rod; And a suture 140 for connecting the first suture needle and the second suture needle, and a driving motor 170 providing a rotational force to the first rotation rod and the second rotation rod, wherein the first rotation shaft And the second axis of rotation extend at right angles to the trocar insertion direction, wherein the first suture needle is arc-shaped and is disposed about the first axis of rotation, and the second suture needle is arc-shaped. Provided is a trocar opening window closure device disposed about.

The first rotating rod is formed with a first needle catching hole 125a for catching the head end of the first sewing needle, and the second rotating rod catches the head end of the second sewing needle. The needle catching hole 125b may be formed.

A first locking jaw 132a is formed at the head end of the first suture needle, and a second locking jaw 132b is formed at the head end of the second suture needle, and the first needle A first step 126a may be formed in the locking hole, and the second step 126b may be formed in the second needle locking hole.

The first rotating rod is formed with a first needle insertion hole 122a into which the root end of the first suture needle can be inserted, and the root end of the second suture needle is formed in the second rotation rod. A second needle insertion hole 122b that can be inserted can be formed.

The center angle of the two suture needles is preferably 180 degrees or more.

According to the present invention, all the objects of the present invention described above can be achieved. Specifically, two arc-shaped suture needles are pushed by two bidirectional rotatable rods, passed through the peritoneum, pulled, and moved back to their original positions, so that the opening window generated in the abdomen by the trocar can be easily closed. do.

1 is a side view of the trocar opening window closure device according to an embodiment of the present invention, showing the trocar installed in the abdomen together.

FIG. 2 is an enlarged view of portion 'A' of the trocar opening window closure device shown in FIG. 1.

3 to 8 are views illustrating a suture process using the trocar open window closure device shown in FIG.

Hereinafter, with reference to the drawings will be described in detail the configuration and operation of the embodiment of the present invention.

1 is a side view of the trocar opening window closure device according to an embodiment of the present invention, showing the trocar installed in the abdomen together. Referring to Figure 1, the trocar (T) is installed in the abdomen in the state penetrating the skin layer (B), the fat layer (C) and the peritoneum (D) in turn, the laparoscopic or surgical instruments pass through the trocar (T) A trocar opening window closure device 100 according to an embodiment of the present invention may be inserted as shown by a broken arrow through a connecting passage h formed to be possible. Since the trocar T may have a conventional structure, a detailed description of the trocar T is omitted. The open window formed in the abdomen by the trocar T by the trocar opening window closure device 100 can be easily closed. 2 is an enlarged 'A' portion of the trocar opening window closure device 100 shown in FIG. 1 and 2, the detailed configuration of the trocar open window closure device 100 according to an embodiment of the present invention will be described in detail.

1 and 2, the trocar opening window closure device 100 according to an embodiment of the present invention is a long rod-shaped body 110, the first, first rotatably coupled to the body 110 Connecting the two rotating

rods

120a and 120b, the first and

second sewing needles

130a and 130b respectively moved by the two rotating

rods

120a and 120b, and the two

sewing needles

130a and 130b. Suture 140, the operation unit 150 coupled to the body 110, the drive motor 170 for providing rotational force to the two rotating rods (120a, 120b), and a battery for supplying power to the drive motor 170 And 180.

Body 110 is an elongated rod shape that can pass through the connection passage (h) formed in the trocar (T), the drive motor 170 and the battery 180 is accommodated inside the body (110). One end of the body 110 is exposed to the outside when inserted into the trocar (T), the operation unit 150 is located, the other end located in the abdomen are two rotating rods (120a, 120b), two sewing needles (130a) 130b) and suture 140 are located.

The first and

second rotation rods

120a and 120b respectively each of the first and

second rotation shafts

121a and 121b extending perpendicular to the longitudinal direction of the body 110 (that is, the insertion direction through the trocar T). It is coupled to the body 110a to rotate about the center. The first rotating rod 120a has a rod shape extending along the radial direction from the first rotating shaft 121a, and the second rotating rod 120b has a rod shape extending along the radial direction from the second rotating shaft 121b. The two rotating

rods

120a and 120b may be bidirectionally rotated about the

respective rotation shafts

121a and 121b by the rotational force provided from the driving motor 170. The first rotating rod 120a moves the first suture needle 130a, and the second rotating rod 120b rotates the second suture needle 130b. The first needle insertion hole 122a and the first needle engaging hole 125a are provided at both circumferential sides of the first rotating rod 120a, respectively. The root side end of the first suture needle 130a may be inserted into the first needle insertion hole 122a, and the first needle insertion hole 122a may have the root side end of the inserted first suture needle 130a. It has a size that can be easily pulled out. The first needle engaging hole 125a is provided with a first stepped portion 126a facing inward. The head end of the first suture needle 130a is inserted into and caught in the first needle catching hole 125a. The second rotating rod 120b is also provided with a second needle insertion hole 122b and a second needle engaging hole 125b, which are the first needle insertion hole 122a and the first needle of the first rotating rod 120a. It is formed in the same structure as the locking hole 125a, and interacts with the 2nd suture needle 130b.

Each of the first suture needle 130a and the second suture needle 130b has a circular arc shape, and the center angle is preferably 180 degrees or more for smooth sealing. The first sewing needle 130a is disposed around the first rotation shaft 121a. The root end of the first sewing needle 130a is inserted into the first needle insertion hole 122a of the first rotating rod 120a before sealing. At the head end of the first sewing needle 130a, a first locking step 132a facing the root side is provided. The first catching jaw 132a may be caught by the first stepped jaw 126a formed in the first needle catching hole 125a of the first rotating rod 120a. The second sewing needle 130b is disposed around the second rotation shaft 121b. The root end of the second sewing needle 130b is inserted into the second needle insertion hole 122b of the second rotating rod 120b before sealing. At the head end of the second suture needle 130b, a second locking jaw 132b facing the root side is provided. The second catching jaw 132b may be caught by the second stepped jaw 126b formed in the second needle catching hole 125b of the second rotating rod 120b.

The suture 140 connects the first suture needle 130a and the second suture needle 130b. Both ends of the suture 140 are coupled to each root side of the two suture needles (130a, 130b).

The operation unit 150 is located at an end exposed to the outside when the trocar T is inserted in the body 110. In the present embodiment, the operation unit 150 is described as a push button type, but the present invention is not limited thereto. The operator operates the driving motor 170 by using the manipulation unit 150 to perform the sealing operation.

The drive motor 170 is installed in the body 110 to provide rotational force for rotating the two rotating

rods

120a and 120b in both directions. Although not shown, a power transmission means for connecting the driving motor 170 and the rotating

shafts

121a and 121b of each of the two rotating

rods

120a and 120b is provided. Omit. The driving motor 170 operates by manipulating the operation unit 150 using power supplied from the battery 180.

The battery 180 is installed in the body 110 to supply power for the operation of the drive motor 170. In addition, the battery 180 also supplies power required for the operation of a controller (not shown) for controlling the driving motor 170.

Now, the sealing process using the sealing device 100 according to the embodiment with reference to the drawings will be described in detail.

First, as shown in FIGS. 1 and 2, before inserting the suture device 100 into the abdomen through the trocar T, the two

suture needles

130a and 130b are respectively rooted upstream (in the insertion direction upstream). ), The head side is positioned at the lower side (downstream in the insertion direction), the head side is disposed to face outward, and the root end is inserted into the

needle insertion holes

122a and 122b of the corresponding

rotating rods

120a and 120b. do. The two

rotating rods

120a and 120b are arranged to face upwards from the

respective rotation shafts

121a and 121b. In this state, the suture device 100 enters the abdomen through the connecting passage h of the trocar T with the portion where the two

suture needles

130a and 130b are positioned at the head, as shown in FIG. 3. Let's do it. In the state of FIG. 3, when the trocar T is removed from the abdomen, the state is as shown in FIG. 4. Referring to FIG. 4, the peritoneum D is positioned between the head and the root of each of the two

suture needles

130a and 130b. When the operation unit 150 is pressed in the state of FIG. 4, the driving motor (170 of FIG. 1) is operated so that the two

rotation bars

120a and 120b rotate 180 degrees in the direction of the arrow, so that the two sutures are shown as shown in FIG. 5. Dragon needles (130a, 130b) are rotated 180 degrees by the two rotating rods (120a, 120b) to pass through the peritoneum (D). Thereafter, the two

rotating rods

120a and 120b rotate in the opposite directions as shown by the arrow, and as shown in FIG. 6, the ends of the two

sewing needles

130a and 130b are connected to the corresponding

rotating rods

120a and 120b. Is fixed. The case of the first sewing needle 130a and the first rotating rod 120a will be described in detail. The head end of the first sewing needle 130a is the first needle engaging hole of the first rotating rod 120a. In the state inserted into the 125a, the first locking jaw 132a of the first sewing needle 130a is caught by the first step 126a of the first rotating rod 120a. In this state, the two

rotating rods

120a and 120b rotate in the direction of the arrow to pull the two

sewing needles

130a and 130b, and as shown in FIG. 7, the two

sewing needles

130a and 130b are Located in the region of the body 110, the suture 140 is in a state passing through the peritoneum (D). When the body 110 is pulled out of the abdomen in the state of FIG. 7, the suture 140 is pulled out of the abdomen and exposed as shown in FIG. 8, thereby suturing. The sealing process of the sealing device 100 as described above is performed by the control of a controller (not shown).

Although the present invention has been described through the above embodiments, the present invention is not limited thereto. The above embodiments may be modified or changed without departing from the spirit and scope of the present invention, and those skilled in the art will recognize that such modifications and changes also belong to the present invention.

Claims

An apparatus for closing an open window generated in the abdomen by trocar,

A body 110 inserted through the trocar;

A first rotating rod (120a) coupled to the body to enable bidirectional rotation about a first rotating shaft;

A second rotation rod (120b) coupled to the body to enable bidirectional rotation about a second rotation axis;

A first sewing needle (130a) moving by the rotation of the first rotating rod;

A second sewing needle (130b) moving by the rotation of the second rotating rod;

A suture 140 connecting the first suture needle and the second suture needle;

It includes a drive motor 170 for providing a rotational force to the first rotating rod and the second rotating rod,

The first rotating shaft and the second rotating shaft extend at right angles to the trocar insertion direction,

The first suture needle is disposed around the first rotation axis as an arc shape,

The second suture needle is a circular arc-shaped needle opening window closure device disposed around the second axis of rotation.
The method according to claim 1,

The first rotating rod is formed with a first needle engaging hole (125a) for catching the head end of the first suture needle,

Trocar opening window closure device, characterized in that the second rotating rod is formed with a second needle catching hole (125b) for catching the head end of the second sewing needle.
The method according to claim 2,

A first locking jaw 132a is formed at the head end of the first suture needle, and a second locking jaw 132b is formed at the head end of the second suture needle.

The first needle engaging hole is formed with a first stepped jaw 126a on which the first engaging jaw is formed, and the second needle engaging hole is formed with a second stepped jaw 126b on which the second engaging jaw is formed. Trocar opening window closure device.
The method according to claim 1,

The first rotating rod is formed with a first needle insertion hole 122a into which the root end of the first suture needle can be inserted.

The second rotary rod is a trocar opening window closure device, characterized in that the second needle insertion hole (122b) that can be inserted into the root end of the needle for the second suture is formed.
The method according to claim 1,

The center angle of the two suture needle is a trocar opening window closure device, characterized in that more than 180 degrees.