CN215129290U

CN215129290U - Traction exposure device for laparoscope

Info

Publication number: CN215129290U
Application number: CN202121031495.6U
Authority: CN
Inventors: 陈小辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-14
Anticipated expiration: 2031-05-14

Abstract

The utility model belongs to the technical field of laparoscopic surgery instruments, in particular to a traction exposer for a laparoscope, which is used for penetrating into the traction peritoneum in the abdominal cavity and comprises a trocar and a traction mechanism arranged in the trocar; the trocar comprises an outer trocar and an inner trocar, the inner part of the outer trocar is a cylindrical cavity, the front end of the outer trocar is provided with a tip end surface, the inner trocar comprises a handle and a push rod connected with the handle, and the push rod is inserted into the cylindrical cavity of the outer trocar in a matching manner; the traction mechanism comprises a traction hook and a traction wire, the traction hook is fixedly connected with the traction wire, the traction hook is placed at a position, close to a tip end face, of the front end in the cylindrical cavity of the outer thimble needle, and the traction wire is led out from the rear end of the cylindrical cavity. The utility model is convenient and fast to operate, reduces the wound of the patient and shortens the operation time.

Description

Traction exposure device for laparoscope

Technical Field

The utility model belongs to the technical field of laparoscopic surgery apparatus, concretely relates to tractive exposes ware for peritoneoscope.

Background

Laparoscopic surgery has become a surgery mode that doctors and patients are willing to accept, three to four small incisions are opened on the stomachs of the patients, a trocar pipeline-shaped working channel is inserted into each incision, various operations are performed through the working pipelines, doctors use operating forceps to draw tissues to expose operative fields so as to be beneficial to smooth operation, however, because the trocars are limited in number and expensive in price in one surgery, the trocars are independently occupied to draw the tissues, a large amount of waste is undoubtedly caused, and scars of the postoperative abdominal walls of the patients are increased due to the openings on the stomachs.

Alternatively, if the trocar is not sufficient in number, the surgeon stitches the peritoneum and penetrates the belly, the operation of suturing and knotting under the laparoscope is very demanding for the surgeon, the whole operation takes at least ten minutes, the anesthesia time of the patient is prolonged, adverse reactions of the patient are easily caused, and the collapse of the peritoneum, unclear exposure and increased surgical injuries may be caused.

Disclosure of Invention

In order to solve the problems existing in the prior art, the utility model provides a traction exposure device for laparoscope, which is convenient and rapid to operate, reduces the wound of a patient and shortens the operation time.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model relates to a traction exposer for laparoscope, which is used for penetrating into the peritoneal cavity to pull the peritoneum, and comprises a trocar and a traction mechanism arranged in the trocar; the trocar comprises an outer trocar and an inner trocar, the inner part of the outer trocar is a cylindrical cavity, the front end of the outer trocar is provided with a tip end surface, the inner trocar comprises a handle and a push rod connected with the handle, and the push rod is inserted into the cylindrical cavity of the outer trocar in a matching manner; the traction mechanism comprises a traction hook and a traction wire, the traction hook is fixedly connected with the traction wire, the traction hook is placed at a position, close to a tip end face, of the front end in the cylindrical cavity of the outer thimble needle, and the traction wire is led out from the rear end of the cylindrical cavity.

Furthermore, the rear end of the push rod is provided with an elastic positioning pin, and a positioning hole matched with the elastic positioning pin is arranged at a corresponding position of the rear end of the outer trocar.

Furthermore, the traction hook is a straight-shaped pipe.

Furthermore, the traction hook is made of plastic or human body absorbable material.

Furthermore, the traction wire is made of plastic soft wires.

Furthermore, the number of the traction wires is two, and the traction wires are bonded to the traction hook through an adhesive.

Further, the length of the outer trocar ranges from 20 cm to 30 cm.

Further, the push rods of the outer trocar and the inner trocar are made of stainless steel, and the handle of the inner trocar is made of plastic.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a peritoneoscope is with tractive exposes ware, the method of operation pincers tractive peritoneum has been replaced, trocar's use amount has not only been reduced, save the operation consumptive material, and outer thimble needle is on the peritoneum of abdominal cavity is punctured to the belly, interior thimble needle releases a style of calligraphy pipe, then interior thimble needle and outer thimble needle extract, carry and draw the outer pull wire of belly, a style of calligraphy pipe blocks on the peritoneum just, reach the purpose of tractive peritoneum, patient's wound has been alleviateed to this kind of mode, only leave a needle eye on the belly, it is little very much than incision (10 mm, 5 mm) of placing trocar. The tissue that the doctor also can expose as required selects the puncture position in a flexible way, reaches the best tractive and exposes the art wild, the utility model discloses convenient operation is swift, shortens the operation time.

Drawings

Fig. 1 is a schematic structural view of a traction exposer for laparoscope according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the operation of a pulling mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating the drawing wire being pulled by the steel wire to penetrate into the cylindrical cavity of the outer thimble according to the embodiment of the present invention.

The reference numbers in the figures denote:

1. the medical device comprises an outer trocar, 2 a cylindrical cavity, 3 a tip end face, 4 an inner trocar, 5 a handle, 6 a push rod, 7 a linear pipe, 8 a traction wire, 9 a steel wire, 10 peritoneum, 11 an elastic positioning pin and 12 a positioning hole.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.

As shown in fig. 1, the traction exposer for laparoscope of the present embodiment is used for penetrating into an abdominal cavity to pull a peritoneum 10, and includes a trocar and a traction mechanism disposed in the trocar, wherein the trocar is used for sending the traction mechanism into the abdominal cavity, the trocar includes an outer trocar 1 and an inner trocar 4, the outer trocar 1 is used for puncturing, the inner trocar 4 is used for pushing out the traction mechanism from the inner side of the outer trocar 1, the inner side of the outer trocar 1 is a cylindrical cavity 2, the front end of the outer trocar 1 is provided with a tip surface 3 for facilitating puncturing, the inner trocar 4 includes a handle 5 and a push rod 6 connected with the handle 5, the push rod 6 is inserted into the cylindrical cavity 2 of the outer trocar 1 in a matching manner, and the outer trocar 1 drives the push rod 6 to complete puncturing together. The traction mechanism comprises a traction hook and traction wires 8, the traction hook is fixedly connected with the traction wires 8, preferably, the traction wires 8 are two in number and are bonded to the traction hook through adhesive, the traction hook is placed at a position, close to the tip end face 3, of the front end in the cylindrical cavity 2 of the outer trocar 1, preferably, the traction hook is a straight-shaped pipe 7, and the two traction wires 8 are led out from the rear end of the cylindrical cavity 2.

An elastic positioning pin 11 is arranged at the rear end of the push rod 6, a positioning hole 12 matched with the elastic positioning pin 11 is arranged at the corresponding position at the rear end of the outer trocar 1, and when the elastic positioning pin 11 is clamped into the positioning hole 12, the front end of the push rod 6 pushes the linear pipe 7 out of the cylindrical cavity 2.

Preferably, the linear tube 7 can be made of common plastics or human absorbable materials, and even if the linear tube is left in the body, the linear tube is gradually decomposed into small molecules in the body, and degradation products are discharged out of the body after being metabolized.

Preferably, the traction wire 8 is made of a plastic soft wire which has the characteristics of light weight, smoothness, fineness, large tension, good toughness and the like.

The length of the outer trocar 1 is 20-30 cm, the length capable of penetrating the belly is preferably selected, and the length can be selected according to the obesity degree of a patient.

The push rods 6 of the outer trocar 1 and the inner trocar 4 are both made of stainless steel, and the handle 5 of the inner trocar 4 is made of plastic.

The working principle is as follows:

as shown in fig. 2, the outer thimble needle 1 is punctured on the peritoneum 10 of the abdominal cavity through the belly, the handle 5 is pushed forward, the elastic locating pin 11 is just clamped in the locating hole 12, the front end of the push rod 6 pushes out the linear tube 7, then the inner thimble needle 4 and the outer thimble needle 1 are pulled out, the pull wire 8 outside the belly is pulled, and the linear tube 7 is just clamped on the peritoneum 10, so that the purpose of pulling the peritoneum 10 to fully expose the target tissue for smooth operation is achieved; after the operation is finished, the traction wire 8 is cut off, the linear pipe 7 in the abdominal cavity is clamped out through a laparoscopic channel by using an operation clamp, or the linear pipe 7 is made of a material which can be absorbed by a human body and is retained in the abdominal cavity for self-degradation. The utility model discloses a trocar repeatedly usable in same patient is same platform operation, before using next time, because 8 soft difficult longer outer thimble needles 1 that penetrate of pull wire, the event is at first with the department of bending of pull wire 8 system on a steel wire 9, in steel wire 9 is drawing soft pull wire 8 and penetrating outer thimble needle 1, unties pull wire 8 from steel wire 9 again, fills in at last 4 completion installations of interior trocar.

The traction exposure device for the laparoscope of the utility model has the advantages of convenient and rapid operation, reduction of the wound of the patient, great reduction of the operation time and reduction of the workload of the medical staff.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Finally, it is to be noted that: the above description is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.

Claims

1. A traction exposer for laparoscope is used for penetrating into an abdominal cavity to pull peritoneum, and is characterized by comprising a trocar and a traction mechanism arranged in the trocar; the trocar comprises an outer trocar and an inner trocar, the inner part of the outer trocar is a cylindrical cavity, the front end of the outer trocar is provided with a tip end surface, the inner trocar comprises a handle and a push rod connected with the handle, and the push rod is inserted into the cylindrical cavity of the outer trocar in a matching manner; the traction mechanism comprises a traction hook and a traction wire, the traction hook is fixedly connected with the traction wire, the traction hook is placed at a position, close to a tip end face, of the front end in the cylindrical cavity of the outer thimble needle, and the traction wire is led out from the rear end of the cylindrical cavity.

2. The laparoscopic pulling exposer according to claim 1, wherein the rear end of the push rod is provided with an elastic positioning pin, and a positioning hole matched with the elastic positioning pin is arranged at the corresponding position of the rear end of the outer trocar.

3. The laparoscopic distraction exposer of claim 1, wherein the distraction hook is an in-line tube.

4. The laparoscopic pulling exposer according to claim 1 or 3, wherein the pulling hook is made of plastic or a human absorbable material.

5. The laparoscopic distraction exposer of claim 1, wherein said pull wire is a soft plastic wire.

6. The laparoscopic pulling exposer according to claim 1 or 5, wherein the number of the pulling wires is two, and the pulling wires are adhered to the pulling hook by an adhesive.

7. The laparoscopic pull exposer according to claim 1, wherein the length of said external trocar is 20-30 cm.

8. The laparoscopic pull exposer according to claim 1, wherein the push rods of the outer trocar and the inner trocar are made of stainless steel, and the handle of the inner trocar is made of plastic.