KR20210057382A - Trocar system for laparoscopic surgery - Google Patents

Abstract

The present invention relates to a trocar system for a laparoscopic surgery, wherein when suturing the peritoneal cavity of the peritoneum after laparoscopic surgery is completed, it is possible to prevent a suture from being improperly sutured because the focus of a suture needle is shaken. More specifically, the trocar system comprises: a trocar in which a connector is detachably coupled and is inserted into the abdominal cavity of a human body together with the trocar detachably coupled to the connector to form a peritoneal hole while penetrating the peritoneum and, after the peritoneal hole is formed, an endoscope and surgical tools are guided into an abdominal cavity with the trocar removed, and first and second suture needle guide holes are formed on both sides of the outer surface, respectively; a first suture needle guide member which is detachably coupled to the trocar with the connector separated therefrom after laparoscopic surgery using an endoscope and surgical tools, and has third and fourth suture needle guide holes facing the first and second suture needle guide holes and formed on both sides of the outer surface, respectively; and a suturing needle which is guided to the first and third suture needle guide holes and the second and fourth suture needle guide holes to close the peritoneal hole with a suture. The first suture needle guide member comprises: a body having a through-space formed on the outer surface thereof and detachably coupled to the trocar; and a guide part formed to protrude long in the longitudinal direction from both sides of the inner surface of the through-space, wherein the third and fourth suture needle guide holes are formed to be obliquely long in the longitudinal direction on the outer surface thereof.

Description

Trocar system for laparoscopic surgery

The present invention relates to a trocar system for laparoscopic surgery, and particularly, to a trocar system for laparoscopic surgery that prevents the suture from being properly sutured by shaking the focus of the suture needle when the peritoneal hole of the peritoneum is sutured after the laparoscopic surgery is completed. will be.

In general, laparoscopic surgery, unlike conventional laparoscopic surgery, is a trocar of 0.5 to 1.2 cm in diameter and 15 to 16 cm in length after drilling 4 to 6 holes in the abdomen area of 0.5 to 1.2 cm. Afterwards, a light source and a camera are inserted through this hole, and various surgical instruments are inserted through the other hole, and the organ is cut, sewn, and plasticized while looking at the monitor outside.

And, in order to perform laparoscopic surgery, a trocar is first inserted into the patient's abdomen, and then a gas such as carbon dioxide is injected into the abdominal cavity through the trocar to create a relief in the abdominal cavity to secure a surgical space. It is known to treat the affected area while observing the surgical site using an endoscope and surgical instruments through the trocars of.

And, after the operation is over, a suture device to suture the surgical site is used, which is a method of stitching the surgical site by holding the needle with fixing forceps inserted into the abdominal cavity through a trocar. After stitching the thread, both sides of the thread are pulled out of the body through a trocar to prevent the thread from loosening. After making a knot outside the body, the knot is pushed with a knot press to form a knot in the abdominal cavity.

In this regard, Patent Document 1 is a trocar for laparoscopic surgery that is mounted through the peritoneum during laparoscopic surgery, wherein the trocar for laparoscopic surgery has a hollow shape in which a space for guiding a camera or surgical instrument into the abdominal cavity is formed, and a trocar housing penetrating the peritoneum; A first opening formed on both sides of an upper end of the bushing housing and having a hole shape into which a suture needle connected with a suture is inserted; A slot-shaped second opening formed on both sides of the lower end of the bushing housing and passing the suture needle in a longitudinal direction of the bushing housing; And a sealing member made of an elastic material that blocks the first opening to prevent the outflow of carbon dioxide inside the trocar housing in a state in which the suture needle is inserted, and the lower end of the trocar housing is a trocar for laparoscopic surgery having a structure cut in a diagonal direction. Was provided.

However, in the case of Patent Document 1, since the suture needle was not guided and caught in a large area in the hole-shaped first opening, there is a concern that the focus of the suture needle may be shaken.

In addition, due to the long second opening in the longitudinal direction of the slot shape, there is a concern that the focus of the suture needle may be shaken.

That is, there is a concern that the suture needle penetrates too close to the peritoneal hole of the peritoneum, and the peritoneal hole may be torn.

Patent Document 1: Domestic Utility Model Registration No. 20-0473904 (registered on July 31, 2014)

Accordingly, an object of the present invention is to provide a trocar system for laparoscopic surgery that prevents the suture from being properly sutured by shaking the focus of the suture needle when the peritoneal hole of the peritoneum is sutured after the laparoscopic surgery is completed.

In order to achieve the above object, in the present invention, the connector is detachably coupled and inserted into the abdominal cavity of the human body together with the trocar detachably coupled to the connector to penetrate the peritoneum to form a peritoneal hole, and to form a peritoneal hole. After the trocar is separated, the endoscope and surgical instruments are guided into the abdominal cavity along with the connector, and the first and second suture needle guide holes are formed on both sides of the outer surface respectively; and the connector after completion of laparoscopic surgery through the endoscope and surgical tools A first stitching needle guide member that is detachably coupled to the separated trocar and has third and fourth stitching needle guide holes respectively facing the first and second stitching needle guide holes, respectively formed on both sides of the outer surface;, the first and the third In the trocar system for laparoscopic surgery including a suture needle guided to the suture needle guide hole and the second and fourth needle guide holes to suture the peritoneal hole with a suture, the first suture needle guide member has a through space formed on the outer surface. And a body detachably coupled to the trocar; and a guide portion formed to protrude long in a longitudinal direction from both inner surfaces of the through space, and a guide portion formed on the outer surface to be inclined long in the longitudinal direction with third and fourth stitching needle guide holes. It provides a trocar system for laparoscopic surgery, characterized in that.

In the present invention, since the third and fourth stitching needle guide holes are formed to be inclined long in the length direction of the guide portion, there is an effect that the stitching needle is guided while being caught in a larger area than the conventional one.

That is, irrespective of the first and second stitching needle guide holes of the trocar, there is an effect of stably fixing the stitching needle from the first stitching needle guide member installed on the top of the trocar.

In other words, there is an effect of preventing the suture needle's focus from shaking than before, and at the same time preventing the peritoneal hole from being torn by penetrating the suture needle too close to the peritoneal hole of the peritoneum.

According to the present invention, since the fifth and sixth stitching needle guide holes are formed to be inclined long in the length direction of the guide portion, the stitching needle is guided while being caught in a wider area than the conventional one.

That is, there is an effect of more stably fixing the suture needle from the first and second suture needle guide members installed on the top of the trocar.

In the present invention, since the guide portion of the first sewing needle guide member is fitted into the guide groove of the second sewing needle guide member, there is an effect of preventing the second sewing needle guide member from shaking in the first sewing needle guide member.

In addition, there is an effect that the first and second stitching needle guide members can be easily coupled and disengaged.

In the present invention, since the suture needle can be inserted into the open hole, there is an effect that the suture needle can be easily inserted into the guide holes of the fifth and sixth suture needles.

That is, there is an effect that the suture needle can be easily inserted in the lateral direction rather than the upper direction of the 5th and 6th suture needle guide holes.

In the present invention, since the fitting protrusion of the second sewing needle guide member is inserted into the fitting hole of the first sewing needle guide member, there is an effect of further preventing the second sewing needle guide member from shaking in the first sewing needle guide member.

In addition, there is an effect that the fitting protrusion and the fitting hole can be easily coupled and disengaged by the elasticity of the elastic portion.

The present invention has the effect of preventing the body of the second sewing needle guide member from being inserted too deeply into the through space of the first sewing needle guide member through the locking jaw.

That is, there is an effect of preventing a phenomenon in which the second sewing needle guide member is not separated from the first sewing needle guide member.

1 and 2 are configuration diagrams of a trocar system for laparoscopic surgery according to an embodiment of the present invention,
3 to 6 are detailed views of the first and second suture needle guide members of the trocar system for laparoscopic surgery according to an embodiment of the present invention,
7 to 17 is a state diagram of the use of a trocar system for laparoscopic surgery according to an embodiment of the present invention.

Accordingly, an embodiment of the present invention as described above will be described in detail with reference to the accompanying drawings as follows.

1 to 17, in the trocar system 100 for laparoscopic surgery according to an embodiment of the present invention, a connector 10 is detachably coupled, and detachably coupled to the connector 10 The trocar 20 is inserted into the abdominal cavity of the human body and penetrates the peritoneum (1) to form a peritoneal hole (1a), and after the peritoneal hole (1a) is formed, the trocar 20 is separated from the connector 10 Along with the endoscope and the surgical tool (2) guide to the inside of the abdominal cavity, the first and second suture needle guide holes 31 and 32 are included, respectively formed trocars 30 on both sides of the outer surface.

Here, the connector 10 has a through space 11 through which the trocar 20 passes through the center of the outer surface, and the trocar 20 and the endoscope and the surgical tool 2 pass through the gas inside the abdominal cavity to the outside. A check valve 12 is installed in the through space 11 to prevent leakage into the through space 11, and the hook 21 and the uneven portion 22 of the trocar 20 are respectively hooked and unevenly coupled to the upper outer surface. (13) At least one (14) is formed, and at least one fastening portion (15) is formed protruding from the lower outer surface.

In addition, the trocar 30 has a through space 33 in which the lower portion of the connector 10 is inserted while penetrating through the trocar 20 at the center of the outer surface, and is connected to the through space 33 on both sides of the lower outer surface. The first and second suture needle guide holes 31 and 32 are formed, penetrate through the trocar 20 and the endoscope and surgical instruments 2, and a check valve that prevents the gas inside the abdominal cavity from leaking to the outside ( 34) is installed in the through space 33, and at least one fastening part 35 that is fastened with the fastening part 15 of the connector 10 above the check valve 34 is formed to protrude into the abdominal cavity. A gas supply/discharge unit 36 equipped with a valve for injecting and discharging medical gas is formed on the outer surface to be connected to the through space 33.

Here, the fastening part 35 is formed longer in the circumferential direction than the fastening part 15 of the connector 10, and a guide surface 35a is formed on one of the outer surfaces that first contact when the fastening part 15 is fastened, and the outer surface On the opposite side, a fitting groove 35b to which the fastening portion 15 guided to the guide surface 35a is fitted and fixed is formed.

In addition, the trocar 30 has a through space 33 and first and second suture needle guide holes 31 and 32 formed therein, and a through part 30a penetrating through the peritoneum 1;, the through It is formed on one side of the part 30a, the through space 33 is formed in the center, the gas supply/discharge part 36 is formed on the outer surface to be connected to the through space 33, It includes a handle portion (30b) formed on the outer surface of the protrusion and hole around.

In addition, the trocar 30 has a through space 33 formed in the center, and a protrusion of the handle part 30b and a hole and a protrusion fitted with the hole are formed on the outer surface around the through space 33 , A handle cover 30c having a fastening portion 35 formed in the through space 33 is included.

In addition, the check valve 34 is installed in the through space 33 between the handle portion 30b and the handle cover 30c.

In addition, the trocar system 100 for laparoscopic surgery is detachably coupled to the trocar 30 from which the connector 10 is separated after the laparoscopic operation through the endoscope and the surgical tool 2 is completed, and the first and second sutures Third and fourth stitching needle guide holes 42a and 43a facing the needle guide holes 31 and 32 are respectively formed on both sides of the outer surface, respectively, and a first stitching needle guide member 40 is included.

In addition, the first sewing needle guide member 40 has a through space 41a formed in the center of the outer surface, and a body 41 detachably coupled to the trocar 30;, the through space 41a The guide portions 42 and 43 are formed to protrude from both sides of the inner surface to be obliquely long in the longitudinal direction, and guide holes 42a and 43a of the third and fourth stitching needles are formed to be inclined long in the longitudinal direction on the outer surface.

Here, at least one fitting hole 41b connected to the through space 41a is formed on the outer surface of the body 41.

That is, the fitting holes 41b are formed on both sides of the through space 41a.

In addition, a locking projection 44 is formed on the inner surface of the through space 41a.

In addition, on the lower outer surface of the body 41 inserted into the through space 33, there is at least a fastening part 45 that is guided to the guide surface 35a of the fastening part 35 and inserted into the fitting groove 35b to be fastened. One or more protrusions are formed.

In addition, the guide portions 42 and 43 are formed symmetrically on both sides of the inner surface of the through space 41a, respectively.

The trocar system 100 for laparoscopic surgery is inserted into the through space 41a, and a through space 51a connected to the through space 41a is formed in the center of the outer surface;, the body Guide grooves 52 and 53 which are formed to be inclined long in the longitudinal direction on both outer surfaces of the 51, that is, the side surfaces, and are guided to the guide parts 42 and 43 and into which the guide parts 42 and 43 are fitted. And;, one side of the body 51 around the guide grooves 52 and 53, that is, the upper outer surface is formed to protrude long in the longitudinal direction, respectively, and the third and fourth stitching needle guide holes 42a on the outer surface A second stitching needle guide member 50 including guide portions 54 and 55 in which the fifth and sixth stitching needle guide holes 54a and 55a facing (43a) are formed to be inclined long in the longitudinal direction are included.

Here, open holes 54b and 55b are formed on the outer surfaces of the guide portions 54 and 55 by opening one of the fifth and sixth stitching needle guide holes 54a and 55a, that is, the side surfaces.

In addition, the guide portions 54 and 55 are formed symmetrically on both sides of the upper outer surface of the body 51, respectively.

In addition, one side of the body 51 located on the opposite side of the guide portions 54 and 55, that is, the outer surface of one portion, is opened to the periphery of the through space 51a to open one side of the body 51 to guide groove 52 A space 56 is formed between the) 53.

In addition, at least one elastic portion 57 is formed on the outer surface of the body 51 by cutting a portion of the open inlet of the space 56.

Here, the elastic portions 57 are formed on both sides of the through space 51a.

In addition, a fitting protrusion 58 that is fitted into the fitting hole 41b is protruded on the outer surface of the elastic portion 57.

Here, the elastic part 57 has elasticity as part of the open inlet of the space 56 is cut to both sides of the fitting protrusion 58.

In addition, the body 51 is inserted into the through space (41a) is caught by the locking projection (44).

In addition, the trocar system 100 for laparoscopic surgery is guided to the first and third stitched needle guide holes 31 and 42a and the second and fourth stitching needle guide holes 32 and 43a to be guided through the peritoneal hole 1a. It includes a suture needle (60) that sutures with a suture (61).

Here, the suture needle 60 is inserted into the fifth suture needle guiding hole 54a through the opening hole 54b, and the first and third suture needle guiding holes 54a through the fifth suture needle guiding hole 54a. 31) It is inserted in (42a).

In addition, the suture needle 60 is inserted into the sixth suture needle guiding hole 55a through the opening hole 55b, and the second and fourth suture needle guiding holes 55a through the sixth suture needle guiding hole 55a. 32) It is inserted in (43a).

In addition, one end of the suture needle 60 is formed with a traction unit that pulls and releases the suture 61.

In addition, the suture needle 60 passes through the check valve 34.

The operation of the present invention configured as described above will be described as follows.

1 to 17, the trocar system 100 for laparoscopic surgery according to an embodiment of the present invention is, after coupling the connector 10 to the trocar 30, the trocar to the connector 10 Combine 20.

Here, the trocar 20 is stably fixed to the trocar 30 through the connector 10, and penetrates the through spaces 11 and 33 of the connector 10 and the trocar 30.

Then, the trocar 30 and the trocar 20 are inserted into the abdominal cavity through an incision in which the skin of the human body is cut in advance to penetrate the peritoneum (1).

Here, the peritoneum 1 is formed with a peritoneal hole 1a.

In addition, after separating the trocar 20 from the connector 10, the endoscope and the surgical tool 2 are moved into the abdominal cavity through the through spaces 11 and 33 of the connector 10 and the trocar 30. Insert and begin laparoscopic surgery.

Here, the inside of the abdominal cavity is expanded due to the medical gas supplied through the gas supply/discharge unit 36 of the trocar 30 to form a surgical space.

Then, after the laparoscopic surgery is completed, the connector 10 is separated from the trocar 30 while the endoscope and the surgical tool 2 are removed from the abdominal cavity.

Here, the trocar 30 fitted into the peritoneal hole 1a maintains the shape of the peritoneal hole 1a.

In addition, the first and second stitching needle guide members 40 and 50 are coupled to each other.

In more detail, the guide portions 42 and 43 of the first stitching needle guide member 40 are inserted obliquely while being guided to the guide grooves 52 and 53 of the second stitching needle guide member 50. Lose.

Here, the elastic portion 57 of the second sewing needle guide member 50 is bent into the space 56 while being elastically deformed while the fitting projection 58 is caught on the inner surface of the through space 41a, and then the first sewing needle guide member When it reaches the fitting hole 41b of 40, it is restored to its original shape by elasticity, and the fitting protrusion 58 is fitted into the fitting hole 41b.

In addition, the body 51 is inserted into the through space 41a while being caught by the locking projection 44 of the body 41.

Then, the third and fifth stitching needle guide holes 42a and 54a are centered in the diagonal direction, and the fourth and sixth stitching needle guide holes 43a and 55a are centered in the diagonal direction opposite to the diagonal direction. Is matched.

Then, the fastening parts 45 of the first and second stitching needle guide members 40 and 50 coupled to each other are fastened to the fastening parts 35 of the trocar 30.

Then, the first, third, fifth stitching needle guide holes 31, 42a, and 54a are aligned in the diagonal direction, and the second, fourth, and sixth stitching needle guide holes 32, 43a, 55a The center is aligned in a diagonal direction opposite to the diagonal direction.

Then, after moving the first and second suture needle guide holes 31 and 32 of the trocar 30 to a position for suturing the peritoneal hole 1a, a suture needle with sutures 61 ( While inserting 60) into the open hole 54b, it is inserted into the fifth sewing needle guide hole 54a.

Then, the suture needle 60 is inserted into the through space 33 and the first and third suture needle guide holes 31 and 42a to penetrate the peritoneal hole 1a.

Here, since the third and fifth stitching needle guide holes 42a and 54a are formed to be long inclined in the longitudinal direction of the guide portions 42 and 54, the stitching needle 60 guides the third and fifth stitching needles. It is guided while being caught in the holes 42a and 54a over a large area.

And, after releasing the traction by grabbing the suture 61 from the traction part of the suture needle 60 located inside the abdominal cavity with forceps of another auxiliary trocar system, the position opposite from the position where the suture 61 was To move the suture 61.

Then, after removing the suture needle 60 from which the suture thread 61 is separated from the first, third, and fifth suture needle guide holes 31, 42a, 54a, and inserting it into the open hole 55b, the sixth Insert it into the suture needle guide hole (55a).

Here, the sutures 61 are inserted into the first, third, and fifth suture needle guide holes 31, 42a, and 54a.

Then, the suture needle 60 is inserted into the through space 33 and the second and fourth suture needle guide holes 32 and 43a to penetrate the peritoneal hole 1a.

Here, since the fourth and sixth stitching needle guide holes 43a and 55a are formed to be long inclined in the longitudinal direction of the guide portions 43 and 55, the stitching needle 60 guides the fourth and sixth stitching needles. It is guided while being caught in a large area in the holes 43a and 55a.

In addition, the traction portion of the suture needle 60 is pulled while fixing the suture thread 61, and is discharged to the outside through the second, fourth, and sixth suture needle guide holes 32, 43a, 55a.

Here, the suture 61 is inserted into the first, 2, 3, 4, 5, 6 suture needle guide holes 31, 32, 42a, 43a, 54a, 55a.

Then, while removing the trocar 30 from the peritoneal hole 1a, the suture 61 is removed from the first, 2, 3, 4, 5, 6 suture needle guide holes 31, 32, 42a, 43a. ) After pulling out from (54a) (55a), the peritoneal hole (1a) of the peritoneum (1) is sutured with a knot of the suture (61).

Here, the medical gas in the abdominal cavity is discharged through the gas supply/discharge unit 36 of the trocar 30.

On the other hand, after releasing the coupling between the fitting hole 41b and the fitting protrusion 58 by elastically deforming the elastic portion 57 by an external force, the guide portions 42 and 43 are removed from the guide grooves 52 and 53. It is also possible to release the coupling of the first and second stitching needle guide members 40 and 50 by pulling out.

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments, and common knowledge in the technical field to which the present invention pertains within the scope not departing from the spirit of the present invention. Various changes and modifications will be possible by the possessor.

10: connector 20: trocar
30: trocar 31: first suture needle guide hole
32: second stitching needle guide hole 40: first stitching needle guide member
41: body 41a: through space
41b: fitting hole 42: guide part
42a: 3rd suture needle guide hole 43: guide part
43a: fourth suture needle guide hole 44: locking jaw
50: second suture needle guide member 51: body
51a: through space 52: guide groove
53: guide groove 54: guide part
54a: 5th suture needle guide hole 54b: open hole
55: guide part 55a: guide hole of the sixth suture needle
55b: open hole 56: space
57: elastic portion 58: fitting protrusion
60: suture needle 61: suture
100: Trocar system for laparoscopic surgery

Claims (5)

The connector 10 is detachably coupled, and inserted into the abdominal cavity of the human body together with the trocar 20 detachably coupled to the connector 10 to form the peritoneal hole 1a while penetrating the peritoneum (1). , After the peritoneal hole (1a) is formed, the trocar 20 is separated, and the endoscope and the surgical tool 2 are guided into the abdominal cavity together with the connector 10, and the first and second suture needle guide holes 31) ( 32) trocars 30 formed on both sides of the outer surface, respectively;,
After completing the laparoscopic surgery through the endoscope and the surgical tool (2), the connector 10 is detachably coupled to the separated trocar 30, facing the first and second suture needle guide holes 31 and 32, respectively. A first sewing needle guide member 40 having third and fourth sewing needle guide holes 42a and 43a formed on both sides of the outer surface, respectively;,
A suture needle 60 that is guided through the first and third stitching needle guide holes 31 and 42a and the second and fourth stitching needle guide holes 32 and 43a to suture the peritoneal hole 1a with a suture 61 In the trocar system for laparoscopic surgery comprising a),
The first suture needle guide member 40 has a through space 41a formed on an outer surface thereof, and a body 41 detachably coupled to the trocar 30;, on both inner surfaces of the through space 41a Laparoscopic surgery, characterized in that it includes a guide portion (42) (43) formed to protrude long in the longitudinal direction, and the third and fourth suture needle guide holes (42a) (43a) are formed to be inclined long in the length direction on the outer surface. Dragon trocar system.
The method of claim 1,
A body 51 inserted into the through space 41a and having a through space 51a connected to the through space 41a formed on an outer surface thereof; Is formed, guide grooves 52 and 53 into which the guide portions 42 and 43 are fitted while being guided to the guide portions 42 and 43;, the body around the guide grooves 52 and 53 The 5th and 6th stitching needle guide holes 54a and 55a facing the 3rd and 4th stitching needle guide holes 42a and 43a on the outer surface, respectively, protruding long and obliquely in the longitudinal direction from both sides of the 51 A trocar system for laparoscopic surgery, characterized in that it comprises a second suture needle guide member (50) including a guide portion (54) (55) formed to be inclined long in the longitudinal direction. The method of claim 2,
Laparoscopic surgery troposcopy, characterized in that one of the 5th and 6th suture needle guide holes 54a and 55a is opened on the outer surface of the guide part 54 and 55 to form open holes 54b and 55b. Car system. The method of claim 2,
At least one fitting hole (41b) connected to the through space (41a) is formed on the outer surface of the body (41),
One side of the body 51 located on the opposite side of the guide portion 54 and 55 is opened to the periphery of the through space 51a to open one side of the body 51 to pass through the guide grooves 52 and 53. To form a space 56,
At least one elastic part 57 is formed on the outer surface of the body 51 by cutting a part of the open inlet of the space 56,
A trocar system for laparoscopic surgery, characterized in that protruding a fitting protrusion 58 fitted into the fitting hole 41b is formed on the outer surface of the elastic portion 57. The method of claim 2,
A trocar system for laparoscopic surgery, characterized in that the inner surface of the through space (41a) is formed with a locking jaw (44) through which the body (51) is inserted into the through space (41a).

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