WO2016104991A1

WO2016104991A1 - Suturing device for surgery

Info

Publication number: WO2016104991A1
Application number: PCT/KR2015/013343
Authority: WO
Inventors: 박상재; 김광기; 조성연
Original assignee: 국립암센터
Priority date: 2014-12-26
Filing date: 2015-12-08
Publication date: 2016-06-30
Also published as: KR20160079399A; KR101648014B1

Abstract

A suturing device for surgery according to the present invention comprises: a body unit; a pair of suturing operation units which are supported by the tip of the body unit and are operated in a suturing mode in which, when the pair of suturing operation units are tooth-engaged with each other while interposing a suture area therebetween, a suturing needle supported by one of the pair of suturing operation units penetrates the suture area so as to be transferred to the other suturing operation unit; a suturing head assembly having a push part operated in a transfer mode in which the push part pushes a suturing needle such that the suturing needle is supported by the other suturing needle; and a driving assembly including a holding part, a first driving unit for operating the suturing head assembly in the suturing mode by a movement of the holding part, and a second driving unit for operating the suturing head assembly in the transfer mode according to successive movements of the holding part in the moving direction of the holding part.

Description

Surgical Suture

The present invention relates to a surgical suture device, and more particularly, to a surgical suture device for closing a suture site such as a surgical site or a wound.

In general, a suture needle (needle) and a suture are used to suture a living tissue of an incision patient during open and laparoscopic surgery. The suture needle for suturing the biological tissue of the patient has the shape of a curved needle for the efficiency of suture.

Here, the suture needle may be used in the suture operation by being held in the hands of the operator, it may be mounted and used in the suture device. The direct suture of such an operator may increase the fatigue of the operator as well as the skill of the operator.

On the other hand, laparoscopic surgery inserts a plurality of trocars into the abdomen of the patient and injects a gas such as carbon dioxide into the abdominal cavity through any one of the trocars to make ups and downs in the abdominal cavity to secure a surgical space, and then The cardiac procedure is performed by inserting an endoscope and various surgical devices.

However, in the case of suturing a narrow lesion such as laparoscopic surgery, a suture device for suturing the suture by attaching a suture needle has emerged because it is difficult for the surgeon to directly suture and cause damage to the patient's biological tissue. .

Disclosure of Invention An object of the present invention is to provide a surgical suture device having an improved structure to continuously suture a suture site during minimally invasive surgery such as laparoscopic surgery.

Means for solving the above problems, according to the present invention is operated in a suture mode that is supported by the body portion and the front end of the body portion and the suture needle which is supported on any one of the suture portion when the engagement portion is transferred to the other to be transferred to the other The suture head assembly having a pair of suture operating portions and a push portion operated in a transfer mode for supporting the suture needle to the other by pushing the suture needle, and the suture head assembly by the holding of the grip portion and the grip portion. And a drive assembly having a first driving unit for driving in the mode and a second driving unit for driving the suture head assembly in the transfer mode according to the sequential movement of the holding unit with respect to the movement direction of the holding unit. It is made by a sealing device.

The driving assembly may provide driving force to the sealing head assembly such that the sealing mode and the transfer mode of the sealing head assembly are released when the holding force provided to the holding unit is released.

Preferably, the gripping portion may be moved from the stand-by position to the suture position for operating the suture head assembly in the suture mode, and may be moved from the suture position to the transfer position for operating the suture head assembly in the transfer mode.

The gripping portion has a gripping body which is rotated to the suture position and the transfer position by the pressing force of the operator, and has a spur gear shape that is provided on the gripping body and meshes with the first driving portion, thereby forming the gripping body. A rotating shaft that provides a driving force to the first driving portion when moved from the standby position to the suture position, and disposed opposite to the rotating shaft and when the gripping body is moved from the sewing position to the transfer position; It may include a pressing unit for providing a driving force.

The first driving part is engaged with the rotation shaft and rotates in conjunction with the rotational motion of the rotational shaft, and the first rack engages with the first pinion and linearly engages with the rotational motion of the first pinion. And a first rod interconnecting at least one of the pair of suture actuators and the first rack and engaging and disengaging the pair of suture actuators according to the linear motion of the first rack. .

The first driving part may further include a first elastic member elastically biased to move the holding part to the standby position when the pressing force provided to the holding part is released.

On the other hand, the second driving portion is rotated in conjunction with the movement of the contact portion which is in contact with the pressing portion and the contact portion is pressed by the pressing portion when the gripping portion is moved from the sewing position to the transfer position A second pinion to be moved, a second rack engaged with the second pinion and linearly engaged with the rotational motion of the second pinion, and interconnecting the push unit and the second rack to the linear motion of the second rack. The second rod may rotate along the push unit.

The second driving part may further include a second elastic member elastically biased to move the holding part to the standby position when the pressing force provided to the holding part is released.

Next, the pair of suture actuators are supported on the front end of the body part and interlocked with and engaged with the first suture actuator portion for receiving a suture needle transferred through the suture portion in the suture mode. It may include a second suture operation unit released to support the suture needle or the first suture operation unit.

Here, the first suture operation unit may include a receiving unit for receiving a suture needle transferred from the second suture operation unit, and the second suture operation unit may include a holding unit for holding the suture needle.

The suture mode includes a first suture mode in which the first suture operator and the second suture operator engage with each other to receive a suture needle held in the holding part, and the first suture mode interposed therebetween. The sealing operation unit and the second sealing operation unit may be in contact with each other may include a second sealing mode for transferring the suture needle received in the receiving portion to the holding unit.

The suture head assembly may further include a locking part disposed on the first suture operation unit to lock the suture needle accommodated in the accommodation portion in the first suture mode and to unlock the suture needle received in the second suture mode. can do.

A locking groove is formed in the suture needle, and the locking portion reciprocates in a horizontal direction in the insertion direction of the suture needle to lock and release the locking groove of the suture needle, and the first locking portion. The second locking unit may include a second locking unit disposed at one side to move up and down according to a rotational movement of the second sealing operation unit to reciprocate between the locking position and the locking release position of the first locking unit.

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

The effect of the surgical suture device according to the present invention is as follows.

First, by providing a pair of suture operation for holding and supporting the suture needle and repeating the process of transferring any one suture needle to another, a continuous suture procedure for the suture site is made, thereby improving the efficiency of the suture procedure It can increase.

Secondly, the suture procedure is simplified by the suture procedure according to the repetition of the process of transferring the suture needle of one pair of suture actuators to another, thereby reducing the fatigue of the operator.

1 is a perspective view of a surgical suture according to an embodiment of the present invention,

Figure 2 is an exploded perspective view of the body portion region of the surgical suture device according to an embodiment of the present invention,

3 is a perspective view of a suture head assembly according to an embodiment of the present invention;

Figure 4 is a first operation cross-sectional view of the surgical suture device according to an embodiment of the present invention,

5 is a cross-sectional view of a second operation of the surgical suture according to an embodiment of the present invention,

6 is a third operation cross-sectional view of the surgical suture device according to an embodiment of the present invention,

7 is a fourth operation cross-sectional view of the surgical suture device according to an embodiment of the present invention,

8 is a cross-sectional view illustrating a first operation of the locking part in the embodiment of FIG. 7;

9 is a fifth operation cross-sectional view of the surgical suture device according to an embodiment of the present invention,

10 and 11 are second cross-sectional views of the locking unit in the embodiment of FIG. 9.

Hereinafter, with reference to the accompanying drawings for the surgical suture device according to an embodiment of the present invention will be described in detail.

Prior to the description, the suture needle used in the surgical suture apparatus according to the embodiment of the present invention is shown in the drawings, it is apparent that the suture connected to the suture needle is not shown in advance.

1 is a perspective view of a surgical suture according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the body portion region of the surgical suture according to an embodiment of the present invention, Figure 3 is a suture according to an embodiment of the present invention A perspective view of the head assembly, and Figure 4 is a cross-sectional view of the first operation of the surgical suture device according to an embodiment of the present invention.

As shown in Figure 1 to 4, the surgical suture device 100 according to an embodiment of the present invention includes a body portion 1000, the suture head assembly 3000 and the drive assembly (5000). Surgical suture device 100 according to an embodiment of the present invention can be mainly used to seal the suture site (S) of a narrow area, such as the suture site (S) of laparoscopic surgery. Here, the suture needle (N) used in the surgical suture device 100 according to an embodiment of the present invention is a locking groove (L) for locking and unlocking the locking portion 3600; see FIGS. 8, 10, and 11 ) Is formed, the locking groove (L) is not limited to the shape shown in the drawings of the present invention can be changed design.

The body part 1000 includes a first body part 1200 in which the driving assembly 5000 is disposed, and a second body part 1400 connecting the first body part 1200 and the suture head assembly 3000. . The shape of the body portion 1000 can be changed in accordance with the design change of the surgical suture device 100 according to an embodiment of the present invention.

Next, Figure 5 is a second operation cross-sectional view of the surgical suture device according to an embodiment of the present invention, Figure 6 is a third operation cross-sectional view of the surgical suture device according to an embodiment of the present invention, Figure 7 is an embodiment of the present invention 4 is a cross-sectional view of the surgical suture according to the fourth operation, Figure 8 is a first operation cross-sectional view of the locking portion in the embodiment of Figure 7, Figure 9 is a fifth operation cross-sectional view of the surgical suture according to an embodiment of the present invention, and 10 and 11 are second cross-sectional views of the locking part in the embodiment of FIG. 9.

5 to 11, the sealing head assembly 3000 includes a sealing operation part 3200, a push part 3400, and a locking part 3600.

The sealing operation part 3200 is disposed at the front end of the body part 1000, that is, the front end of the second body part 1400. The suture operation part 3200 operates in a suture mode in which the suture needle (N) supported by any one of the suture sites (S) is interposed therebetween and passes through the suture site (S) to the other. Here, in the suture mode, the first suture mode and the suture portion are interleaved with each other with the suture portion S interposed therebetween so that the suture needle N supported on one of the suture needles penetrates the suture portion S and is accommodated in the other. Excluding (S) includes a second suture mode that is interdigitated to transfer the suture needle (N) accommodated in the other again to any one. That is, in the second suture mode, as shown in FIG. 4, the surgical suture device 100 before suturing the suture portion S is in a standby state. The sealing operation unit 3200 is an embodiment of the present invention and includes a first sealing operation unit 3220 and a second sealing operation unit 3240.

The first sealing operation part 3220 includes a first sealing body 3222 and a receiving part 3224. The first suture operation part 3220 accommodates a suture needle (N) transferred through the suture portion (S) in the suture mode, in particular in the first suture mode. Although the first sealing operation part 3220 of the present invention is configured to be fixed to the front end of the second body part 1400, the first sealing operation part 3220 is provided with respect to the first sealing operation part 3220. Relative rotation can be made. The accommodation part 3224 receives the suture needle N transferred from the second sealing operation part 3240. A locking portion 3600, which will be described later, may be disposed in the accommodation portion 3224 so that the suture needle N may be caught or released from the accommodation portion 3224.

The second sealing operation part 3240 includes a second sealing body 3322 and a holding part 3244. The first sealing operation part 3220 is mutually engaged and released, and the suture needle N supported in the first sealing mode of the suture mode is transferred to the first suture operation part 3220 as shown in FIG. 5. . As shown in FIG. 7, the second sealing operation unit 3240 engages with the first sealing operation unit 3220 to seal the suture needle N accommodated in the first sealing operation unit 3220. Re-transfer to the holding portion (3244) of (3240). That is, as the second suture operation part 3240 rotates in the first suture mode and the second suture mode, continuous suture of the suture portion S may be achieved.

The holding part 3244 is disposed on the second suture operation part 3240 to hold the suture needle (N). The holding part 3244 is made of a material that can be elastically deformed, and holds the suture needle N to proceed with the suture procedure as shown in FIGS. 4, 5, and 7.

The push part 3400 presses the suture needle N in the transfer mode, so that the suture needle N held by the holding part 3244 of the second suture operation part 3240 passes through the suture part S. To be received and supported by the suture operation part 3220. The pusher 3400 is formed with a through hole (not shown) through which the suture connected to the suture needle N is formed, and serves as a guide of the suture when the suture needle N penetrates through the suture portion S. FIG.

The locking unit 3600 is disposed in the first suture operation unit 3220 to lock the suture needle N accommodated in the accommodation portion 3224 in the first suture mode, and the suture needle N received in the second suture mode. Unlock. The locking part 3600 includes a first locking part 3620, a second locking part 3640, a movement limiting part 3660, and a locking elastic member 3680.

The first locking part 3620 is disposed below the first sealing operation part 3220 and reciprocated in the horizontal direction in the insertion direction of the suture needle N to be caught in the locking groove L of the suture needle N and The jam is released. The first locking part 3620 includes a first locking body 3622 and a locking part 3624. The first locking body 3622 is reciprocated between the locking position of FIG. 8 and the locking release position of FIG. 10 by the second locking portion 3640 and the movement limiting portion 3660. The locking part 3624 prevents the movement of the suture needle N by engaging the locking groove L at the locking position.

The second locking part 3640 is disposed at one side of the first locking part 3620 and moved up and down in accordance with the rotational movement of the second sealing operation part 3240. The second locking portion 3640 reciprocates between the locking position and the locking release position with respect to the suture needle (N). In detail, the second locking unit 3640 is moved up and down in accordance with the contact and release of the contact with the second sealing operation unit 3240 to provide driving force to the first locking unit 3620. The second locking portion 3640 of the present invention includes a second locking body 3542 and a button 3644. The second locking body 3642 is in contact with one side of the first locking body 3622.

One side of the first locking part 3620 and the second locking part 3640 are in contact with each other having a shape of a taper and a round, and according to the lifting movement of the second locking part 3640. The first locking part 3620 is reciprocated in the horizontal direction of the lifting movement of the second locking part 3640. In detail, as an embodiment of the present invention, since the contact area between the second locking body 3642 and the first locking body 3622 has a tapered shape, the lifting and lowering force of the second locking body 3642 is determined by the first locking body ( 3622 is converted into a reciprocating movement force in the transverse direction of the movement direction of the second locking body (3642). The button 3644 is exposed to the outside of the first sealing operation part 3220. The button 3644 is in contact with the second sealing operation part 3240 when the first sealing operation part 3220 and the second sealing operation part 3240 are engaged with each other.

The movement limiter 3660 is disposed adjacent to the other side of the first locking part 3620 that is in contact with the second locking part 3640. The movement limiter 3660 is disposed adjacent to the locking part 3624 of the first locking part 3620 to restrict the movement of the first locking part 3620. In addition, the movement limiting unit 3660 is provided as a leaf spring to provide an elastic force so that the locking portion (3624) and the locking groove (L) of the suture needle (N) is engaged with each other.

The locking elastic member 3680 is disposed under the second locking portion 3640 to elastically bias the second locking portion 3640. In detail, the locking elastic member 3680 provides an elastic force to restore the position of the second locking portion 3640 when a pressing force is provided to the second locking portion 3640 by the first sealing operation part 3220.

Next, the driving assembly 5000 is sequentially moved along the direction in which the operator is pressed to provide the driving force to the sealing head assembly 3000 in the sealing mode and the transfer mode. According to an embodiment of the present invention, the drive assembly 5000 includes a grip part 5200, a first driver 5400, and a second driver 5600. The gripper 5200 is gripped by the operator to receive the pressing force, and the first driver 5400 drives the suture head assembly 3000 in the suture mode by the movement of the gripper 5200, and the second driver 5600. ) Moves sequentially with respect to the movement direction of the gripper 5200 to drive the sealing head assembly 3000 in the transfer mode.

The gripper 5200 includes a grip body 5220, a rotation shaft 5240, a pressing part 5260, and a grip elastic member 5280. The gripper 5200 is moved to a suture position for operating the suture head assembly 3000 in a suture mode in a standby position before suture, and moves to a conveying position for operating the suture head assembly 3000 in a suture mode at the suture position. . The gripping body 5220 is sequentially moved from the standby position to the suture position and the transfer position by the pressing force of the operator. The gripping body 5220 is substantially rotated by the rotation shaft 5240.

The rotating shaft 5240 is provided on the holding body 5220 and has a spur gear shape that is engaged with the first driving unit 5400 to form a rotating shaft. The rotating shaft 5240 provides a driving force to the first driving unit 5400 when the gripping body 5220 is moved from the standby position to the suture position.

The pressing unit 5260 is disposed to face the rotation shaft 5240, and provides driving force to the second driving unit 5600 when the gripping body 5220 is moved from the sewing position to the conveying position. The gripping elastic member 5280 is connected to the gripping body 5220 to elastically bias the gripping portion 5200 to be transferred from the transfer position to the standby position when a pressing force is provided by the operator.

The first driving unit 5400 includes a first pinion 5410, a first rack 5430, a first rod 5450, and a first elastic member 5470. The first pinion 5410 is meshed with the rotating shaft 5240 and rotated in conjunction with the rotating movement of the rotating shaft 5240. The first rack 5430 is engaged with the first pinion 5410 and linearly engaged with the rotational movement of the first pinion 5410. The first rod 5450 interconnects the second sealing operation unit 3240 and the first rack 5430 and rotates the second sealing operation unit 3240 according to the linear motion of the first rack 5430. When the pressing force is released to the gripper 5200 in the transfer mode, the first elastic member 5470 elastically biases the gripper 5200 to be transferred from the transfer position to the standby position. In addition, the second elastic member 5690 elastically biases the gripper 5200 to be transferred from the sewing position to the standby position when the pressing force is released from the holding portion 5200 in the second sealing mode of the sealing mode.

In detail, as illustrated in FIG. 5, the operation of the first driving unit 5400 may be performed by rotating the shaft 5240 in a counterclockwise direction when the gripping body 5220 is rotated from the standby position to the suture position. The first pinion 5410 rotates in the opposite direction, and in conjunction with this, the first rack 5430 is linearly moved from the left side to the right side of the drawing. Then, the first rod 5450 of the first driving unit 5400 is linearly engaged with the linear movement of the first rack 5430 while the second sealing operation unit 3240 and the first sealing operation unit 3220 are engaged. Rotating the second sealing operation unit 3240 so as to.

Finally, the second driving unit 5600 includes a contact portion 5610, a second pinion 5630, a second rack 5650, a second rod 5670, and a second elastic member 5590.

The contact portion 5610 is in contact with the pressing portion 5260 when the grip portion 5200 is rotated from the closed position to the transfer position. The contact portion 5610 is connected to the second pinion 5630 to provide rotational force to the second pinion 5630 according to the pressing force from the pressing portion 5260. The second pinion 5630 is connected to the contact portion 5610 and rotates in association with the movement of the contact portion 5610 that is pressed by the pressing portion 5260. The second rack 5650 is engaged with the second pinion 5630 and linearly engaged with the rotational movement of the second pinion 5630. The second rod 5670 interconnects the push unit 3400 and the second rack 5650 and rotates the push unit 3400 according to the linear motion of the second rack 5650. When the pressing force is released to the gripper 5200 in the transfer mode, the second elastic member 5590 elastically biases the gripper 5200 to be transferred from the transfer position to the standby position.

In detail, as shown in FIG. 6, the operation of the second driving unit 5600 may be performed by contacting the contact unit 5610 with the pressing unit 5260 when the gripping body 5220 is rotated from the closed position to the transport position. As the movement of the second pinion 5630 rotates, in conjunction with this, the second rack 5650 is linearly moved from the left side to the right side of the drawing. Then, the second rod 5670 of the second driving unit 5600 rotates the push unit 3400 so that the push unit 3400 is operated in the transfer mode in association with the linear motion of the second rack 5650.

On the other hand, the drive assembly 5000, as shown in Figure 7 and 8, when the pressing force provided to the grip portion 5200 by the operator is released, the second sealing operation unit 3240 and the push unit 3400 Provides driving force to rotate. At this time, the suture needle N passing through the suture portion S is accommodated in the accommodation portion 3224 of the second suture operation portion 3240 and is supported by the locking portion 3600.

On the other hand, the drive assembly 5000, as shown in Figures 9 to 11, provides a driving force to the suture head assembly 3000 so that the surgical suture device 100 is set before the suture procedure. In detail, when the gripper 5200 is moved from the stand-by position to the suture position, the first driving unit 5400 may include a second so that the first sealing operation unit 3220 and the second sealing operation unit 3240 are engaged with each other. It provides a rotational movement force to the suture operation unit 3240. As such, when the first sealing operation unit 3220 and the second sealing operation unit 3240 are brought into contact with each other by the first driving unit 5400, the suture needle N accommodated in the first sealing operation unit 3220 may be the second. The holding part 3244 of the sealing operation part 3240 is held. At this time, the locking portion 3600 is in the state of being engaged with the locking groove (L) of the suture needle (N) in the first suture operation portion 3220, the suture needle (N) is transferred to the second suture operation portion (3240). The locking groove (L) and the latch is released.

Accordingly, by providing a pair of suture operation for holding and supporting the suture needle and repeating the process of transferring any one suture needle to another, a continuous suture procedure for the suture site is made, thereby improving the efficiency of the suture procedure It can increase.

In addition, it is possible to reduce the fatigue of the operator because the suture is simplified by the suture procedure according to the repetition of the process of transferring the suture needle of any one pair of suture operation unit to the other.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. It will be understood that. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

Claims

A body portion;

The needle is supported by the front end of the body, and pushed a pair of suture operation unit and the suture needle operated in a suture mode through the suture site so that the suture needle supported on any one is transferred to the other when engaged with the suture site. A sealing head assembly having a push portion operated in a transfer mode for supporting the other to the other;

The gripping portion, the first driving portion for driving the sealing head assembly in the sewing mode by the movement of the gripping portion, and the conveying head assembly in accordance with the sequential movement of the gripping portion relative to the movement direction of the gripping portion Surgical suture device comprising a drive assembly having a second drive for driving in mode.
The method of claim 1,

And the drive assembly provides a driving force to the suture head assembly such that the suture mode and the transfer mode of the suture head assembly are released when the gripping force provided to the gripping portion is released.
The method according to claim 1 or 2,

The gripping portion is moved to the suture position for operating the suture head assembly in the suture mode in the standby position, the surgical suture is moved to the transfer position for operating the suture head assembly in the transfer mode at the suture position Device.
The method of claim 3, wherein

The gripping portion,

A gripping body which is rotated to the suture position and the transfer position by a pressing force of the operator;

A rotating shaft provided on the gripping body and having a spur gear shape engaged with the first driving part to form a rotation axis to provide driving force to the first driving part when the gripping body is moved from the standby position to the suture position; ;

Surgical suture device disposed on the rotation axis, characterized in that it comprises a pressing unit for providing a driving force to the second driving unit when the holding body is moved from the suture position to the transfer position.
The method of claim 4, wherein

The first driving unit,

A first pinion meshed with the rotary shaft and rotated in association with the rotary motion of the rotary shaft;

A first rack engaged with the first pinion and linearly engaged with the rotational motion of the first pinion;

And a first rod interconnecting at least one of the pair of suture actuators and the first rack, and engaging and releasing the pair of suture actuators according to the linear motion of the first rack. Surgical suture device.
The method of claim 5,

And the first driving part further comprises a first elastic member elastically biased to move the holding part to the standby position when the pressing force provided to the holding part is released.
The method of claim 4, wherein

The second driving unit,

A contact portion in contact with the pressing portion when the gripping portion is moved from the sealing position to the conveying position;

A second pinion which is connected to the contact part and rotates in association with the movement of the contact part pressed by the pressing part;

A second rack meshed with the second pinion and linearly engaged with the rotational motion of the second pinion;

And a second rod interconnecting the push unit and the second rack and rotating the push unit according to the linear motion of the second rack.
The method of claim 7, wherein

And the second driving part further comprises a second elastic member which elastically biases the holding part to be moved to the standby position when the pressing force provided to the holding part is released.
The method of claim 3, wherein

A pair of the sealing operation unit,

A first suturing operation part which is supported at the front end of the body part and accommodates a suture needle transferred through the suture part in the suture mode;

Surgical suture device characterized in that it comprises a second suture operation portion which is mutually engaged and disengaged with the first suture operation portion to support the suture needle or transfer to the first suture operation portion.
The method of claim 9,

The first sealing operation unit includes a receiving unit for receiving the suture needle transferred from the second sealing operation unit,

The second suture operation unit is a surgical suture device comprising a holding unit for holding the suture needle.
The method of claim 10,

The suture mode,

A first sealing mode in which the first sealing operation unit and the second sealing operation unit are engaged with each other with a sealing unit interposed therebetween to accommodate the suture needle held in the holding unit;

And a second suture mode in which the first suture operator and the second suture operator engage with each other to transfer the suture needle accommodated in the accommodation part to the holding part.
The method of claim 11,

The closure head assembly,

And a locking unit disposed on the first suture operation unit to lock the suture needle accommodated in the accommodation unit in the first suture mode and unlock the suture needle in the second suture mode. Suture device.
The method of claim 12,

The suture needle is formed with a locking groove,

The locking unit,

A first locking part which is reciprocated in the horizontal direction in the insertion direction of the suture needle to be engaged and released by the locking groove of the suture needle;

A second locking part disposed on one side of the first locking part and moving up and down according to a rotational movement of the second sealing operation part to reciprocally move the first locking part between a locking position and a locking release position with respect to the suture needle; Surgical suture device characterized in that.