KR100786728B1 - Trocar - Google Patents

Abstract

A trocar is provided to insert a surgical instrument smoothly by forming a transparent head unit to check the surgical instrument inserted through a sleeve pipe. A trocar includes a head unit(10), a bushing(17), a sleeve pipe(20), an inserting unit(30), a button unit(40), and a needle(50). The head unit has an installing hole(11a) at the upper part, and consists of an upper case(11) with a protrusion(11b) at the installing hole and a lower case(12) with a bushing fixing protrusion(13) and an injection hole fixing protrusion(14) at the bottom and one side. The bushing is installed at the bottom of the lower case. The sleeve pipe is installed inside the head unit. The inserting unit is installed at the upper part of the sleeve pipe. The button unit is installed at one side of the head unit. The needle is inserted into the bushing through the sleeve pipe and the inserting unit, and perforates into the abdomen.

Description

Laparoscopic trocar {Trocar}

1 is an exploded perspective view showing a laparoscopic trocar according to the present invention.

Figure 2 is a perspective view showing a coupled state of FIG.

Figure 3 is a cross-sectional view showing the configuration of a laparoscopic trocar according to the present invention.

Figure 4 is a cross-sectional view showing a state where the needle is installed in the trocar according to the present invention.

Figures 5a, 5b is an operating state diagram showing the operating state of FIG.

Figure 6 is a cross-sectional view showing a state where another needle is installed in the laparoscopic trocar according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: head portion 11: upper case

11a: mounting hole 11b: locking jaw

12: lower case 13: bushing fixing protrusion

14: injection hole fixing protrusion 15: coupling member

16: fixing groove 16a: first coupling hole

17: bushing 17a: anti-skid projection

18: carbon dioxide gas injection pipe 20: sleeve pipe

20a: second magnet fixing protrusion 21: jamming protrusion

22: first coupling protrusion 22a: first coupling hole

23: opening and closing member 24: hinge portion 24b

24a: first coupling protrusion 24b: second coupling hole

24c: pin 24d: first magnet fixing protrusion

25: 2nd silicon packing 25a: 2nd through

30: inserting portion 31: coupling ring

32: top plate 32a: first through

33: hinge 34: first silicon packing

35: guide 35a: guide

40: button portion 41: button body

41a: fastening groove 41b: second coupling hole

42: button 43: O-ring

44: operation piece 45: push protrusion

50: osmosis 51: support tube

52: handle 53: needle coupling member

53a: penetration hole 54: slide rod

55: first spring 56: slide piece

56a: bullet protrusion 56b: pressing piece

57: second spring 58: needle fixing member

59: saliva

The present invention relates to a laparoscopic trocar, and to a laparoscopic trocar capable of performing laparoscopic surgery by opening a small hole without opening the stomach of the patient, and more particularly, inserted into the trocar sleeve A slide rod is installed in the support tube of the trocar needle to perforate to protect the organs during abdominal puncture, and at the same time, the sleeve tube and the insert portion are formed in the head portion of the trocar head to double the diameter of the trocar needle. When a small surgical radix is inserted, the laparoscopic trocar allows the outside air and carbon dioxide gas to be drawn in and out through the sleeve tube, and the gauze and organ extracts generated during the operation can be easily taken out. It is about.

Existing trocar is fixed to install the permeable insertion sleeve installed in the head portion to match the bushing coupled to the bottom and then to maintain the airtight so that a separate flow piece corresponding to the end of the sleeve tube can be supported by the spring bullet As a result, when the needle is pushed into the sleeve tube inlet, the needle bar is inserted into the bushing while pushing the flow piece corresponding to the sleeve tube end to protrude the needle tip.

As described above, trocars may damage the internal organs by the force of perforation of the patient's abdomen. Therefore, the abdominal perforation should be carefully performed at the same time. .

In addition, in order to perform laparoscopic surgery, a plurality of trocar needles are inserted into the abdomen of the patient. At this time, a single needle is used to insert a plurality of trocars into the abdomen, and to secure a surgical field of view in an abdominal surgery using an endoscope. In order to maintain the ups and downs by injecting carbon dioxide gas through the valve on one side, the flow piece corresponding to the end of the sleeve tube is in close contact by the spring bullet interposed on one side of the shaft.

Therefore, there is a disadvantage in that carbon dioxide gas leaks when the flow force is not uniformly generated on the contact surface.

In addition, since the carbon dioxide gas is not discharged through the head portion of the postoperative trocar, the carbon dioxide gas discharge time is delayed because a separate means is discharged.

In particular, since the conventional trocar is an expensive product imported from all over the world, there is an unsanitary problem by disinfecting and reusing it after cleaning rather than using and discarding it once.

The present invention for solving the above problems is to prevent the inflow of external air into the abdomen when pulling in and out the surgical instruments in the trocar during surgery so that laparoscopic surgery can be performed without long-term surgery in the abdomen The purpose is to provide a laparoscopic trocar.

In addition, an object of the present invention is to provide a laparoscopic trocar for allowing an instant needle to be introduced into the abdomen automatically when the abdomen is punctured for laparoscopic surgery.

In addition, an object of the present invention is to provide a laparoscopic trocar for preventing the trocar from falling out of the abdomen during laparoscopic surgery.

In addition, it is an object of the present invention to provide a laparoscopic trocar for allowing a convenient laparoscopy operation by allowing the insertion portion to be rotated 360 °.

In addition, it is an object of the present invention to provide a laparoscopic trocar for keeping any airtight to prevent air from entering the abdomen or carbon dioxide gas is discharged by using any of the surgical instruments required for laparoscopic surgery.

In addition, it is an object of the button unit to open and close the opening and closing panel arbitrarily to provide a laparoscopic trocar to remove the gauze during laparoscopic surgery or to easily remove the organ extract.

The present invention for achieving the above object is a laparoscopic trocar for puncturing the abdomen of the patient to perform laparoscopic surgery through a surgical instrument, the head portion consisting of an upper and a lower case; A button unit installed at one side of the head; A bushing installed at the bottom of the lower case; A sleeve tube installed inside the head portion; An insertion unit installed at an upper portion of the sleeve tube; It provides a laparoscopic trocar, characterized in that consisting of a penetrating penetrating the abdomen through the insertion portion or sleeve tube.

In addition, the button unit and the upper body, the button body is installed on one side of the lower case; A button coupled to one side of the button body; It provides a laparoscopic trocar, characterized in that it comprises a working piece having a push protrusion and coupled to the button.

In addition, the trocar provides a laparoscopic trocar, characterized in that the projection is formed on the outer periphery.

In addition, the insert provides a laparoscopic trocar, characterized in that installed rotatably 360 ° from the top of the sleeve tube.

In addition, the penetrating needle is composed of a support tube, the handle is installed on the upper portion of the support tube, the lower end of the support tube is installed with a coupling member, the slide rod of the support tube is fixed by the pressing piece installed on one side of the handle It is easy to puncture and provides a laparoscopic trocar, characterized in that the needle is automatically positioned by the needle coupling member when the penetrating state of the fixed state is introduced into the inside of the abdomen.

Hereinafter, the configuration of the laparoscopic trocar according to the present invention will be described in detail through the accompanying drawings.

1 is an exploded perspective view showing a laparoscopic trocar according to the present invention, Figure 2 is a perspective view showing a combined state of Figure 1, Figure 3 is a cross-sectional view showing the configuration of the laparoscopic surgical apparatus according to the present invention, Figure 4 5 is a cross-sectional view showing a state where the needle is installed in the trocar according to the present invention, Figures 5a and 5b is an operating state diagram showing the operating state of Figure 1, Figure 6 is a cross-sectional view showing a state in which the other piercing is installed in the laparoscopic trocar according to the present invention. to be.

As shown in FIGS. 1 to 6, the present invention includes a head portion 10, a bushing 17, a sleeve tube 20, an inserting portion 30, a button portion 40, and a needle 50.

The head portion 10 has a space of a predetermined size therein, the upper case 11 is made of a transparent material, and consists of a lower case 12 coupled to the bottom of the upper case.

An installation hole 11a is formed at an upper portion of the upper case 11, and a locking step 11b is formed at a portion where the installation hole 11a is formed.

The lower case 12 has a bushing fixing protrusion 13 formed to allow the bushing 17 to be installed in a downward direction, and an injection hole fixing protrusion 14 is formed at one side thereof and is coupled to the bottom of the upper case 11. .

The coupling member 15 is installed on one side to fix the upper case 11 and the lower case 12 coupled, and the button part 40 is installed on the other side where the coupling member 15 is installed. The fixing groove 16 is formed, and the first coupling hole 16a is formed in the fixing groove 16.

The bushing 17 is installed in the bushing fixing protrusion 13 formed at the bottom of the lower case 12. In order to prevent the trocar 17 from escaping during laparoscopic surgery, a non-slip protrusion 17a is formed on the outer circumference of the trocar 17.

In addition, the material of the bushing 17 is formed of any one of synthetic resin, ceramic, synthetic resin containing silver nano or synthetic resin, and the material is not limited to the above, and the bacteria do not grow for the hygiene of the patient to the human body Any material that is not harmful can be used.

The injection hole fixing protrusion 14 formed at one side of the lower case 12 is provided with a carbon dioxide gas injection tube 18 for injecting carbon dioxide into the abdomen, and the carbon dioxide gas injection tube 18 has an organ and an abdominal wall surface. It is used as an inlet for injecting carbon dioxide to separate the adhered and to secure the surgical space.

Sleeve tube 20 is formed in a cylindrical shape is installed inside the head portion 10 so that the penetrating needle 50 is coupled, the locking projection 21 is to be coupled to the locking jaw of the upper case on the outer periphery of the upper end Is formed.

An opening and closing member 23 is installed at the bottom of the sleeve tube 20 so as to be openable and close, and a hinge portion 24 is installed at one lower end of the sleeve tube 20 and one side of the opening and closing member 23, and the opening and closing member 23 is provided. The hinge portion 23 is configured to be opened and closed by the shaft.

The hinge portion 24 has a first coupling hole 22a at one side of the lower end of the sleeve tube 20, and a first coupling protrusion 22 is formed, and a second coupling hole 24b is formed at one side of the opening and closing member 23. A second coupling protrusion 24a having a shape is formed, and a pin is coupled to the first coupling protrusion 22 and the second coupling protrusion 24a.

A second magnetic fixing protrusion 20a is formed at one side of the sleeve tube 20, and a first magnetic fixing protrusion 24d is formed at the bottom of the opening / closing member 23. A magnet 26 is provided in each of the first magnet fixing protrusion 20a and the second magnet fixing protrusion 24d. A second silicon ring 25 having a second through hole 25a is installed in the upper portion of the sleeve tube 20.

Insertion portion 30 is a coupling ring 31 is installed on the sleeve tube 20, the coupling ring 31 has a first through hole (32a) and the upper plate 32 is installed to be opened and closed, the coupling ring ( The hinge 33 is configured so that the top plate 32 can be opened and closed at 31.

In order to prevent outside air from flowing into the abdomen and at the same time to prevent the carbonic acid gas introduced into the abdomen from being discharged, a penetrating 50 and a first silcon ring 34 for increasing sealing force are installed on one side of the upper plate 32. .

In the state where the first silicon packing 34 is installed, one side of the upper plate 32 has a guide hole 35a for guiding the penetrating needle 50 and a guide tube 35 is installed.

In the state in which the upper case 11 and the lower case 12 are coupled, the button groove 40 is installed in the fixing groove 16.

And the insertion portion 30 is rotated 360 ° in the upper portion of the sleeve tube 20 so that the direction of the surgical instrument can be freely converted.

The button portion 40 has a button body 41 coupled to the fixing groove 16, the fastening groove 41a is installed in the button body 41, the second coupling hole 41b in the fastening groove 41a. ) Is formed, the button 42 is installed in the fastening groove (41a).

The second coupling hole 41b is formed to be positioned at the same position as the first coupling hole 16a formed in the fixing groove 16 of the upper case 11. The O-ring 43 is installed between the first coupling hole 16a and the second coupling hole 41b.

The penetrating needle 50 is composed of a support tube 51 having a cylindrical shape, a handle 51 is installed at an upper portion of the support tube 51, and a needle coupling member 53 is coupled to a lower end of the support tube 51. , The intrusion exit hole (53a) is formed at the lower end of the needle coupling member.

The slide bar 54 is installed inside the support tube 51 to be movable downward, and the first spring 55 is installed above the slide bar 54.

A slide piece 56 is installed at an upper portion of the slide bar 54, a bullet protrusion 56a is installed at one side of the slide piece 56, and a second spring 56b is installed at the bullet protrusion 56a. The pressing piece 56b is formed at the other side of the slide piece 56 on which the ball projecting protrusion 56a is formed.

The lower end of the slide rod 54 is provided with a needle fixing member 58 so as to be movable, and the needle fixing member 58 is provided with a needle 59, and is input and exited through the intrusion exit hole 53a.

In the present invention configured as described above, in order to puncture the abdomen of the patient, first, the penetrating needle 50 is inserted into the inserting portion 30, wherein the size of the needle coupling member 53 of the penetrating needle 50 is determined. do.

When the size of the penetrating needle 50 is introduced through the guide hole 35a formed in the guide tube 35 of the insertion part 30, but when the size of the penetrating needle 50 is large, the upper plate 32 is rotated to rotate the sleeve tube. (20) Through the second silicon packing 25 is installed in the upper portion.

When the penetrating needle 50 is introduced through the guide tube 35 or the sleeve tube 20, the penetrating needle 50 is pushed in while pushing the opening / closing member 23 installed inside the sleeve tube 20.

The opening and closing member 23 is opened while the state in which the magnet 26 is closed by the magnetism 26 is released by the penetrating needle 50.

As described above, the process of puncturing the abdomen is carried out by drawing the penetrating needle 50 through the guide tube 35 or the sleeve tube 20 by determining how much the diameter is.

When the needle 59 is introduced into the sleeve tube 20, the head portion 10, and the bushing 17 and closely adhered to the abdomen, the needle coupling member 53 moves toward the support tube 51, so that the needle coupling member 53 is moved. Protrudes outward.

When the pressing piece 56b provided on one side of the handle 52 is pressed in the state where the needle 59 protrudes, the slide piece 56 integrally formed with the pressing piece 56b moves and the second spring 57 is moved. Squeeze.

At this time, since the slide rod 54 installed inside the support tube 51 is fixed to the needle fixing member 58, the needle 59 coupled to the needle fixing member 58 is a needle coupling member ( The state protruded by the intrusion outlet 53a of 53 is fixed.

When the doctor grasps the handle 52 and pushes the patient's abdomen with force while the needle 59 is protruding from the needle coupling member 53, the abdomen is perforated by the needle 59.

At this time, the needle coupling member 53 is perforated to the abdomen in the state pushed toward the support tube 51 as much as possible, and after the perforated skin of the abdomen, the needle 59 is released as the needle is released from the needle coupling member ( 53) to prevent it from injuring the organ.

After the drilling, the needle 59 may flow into the inside of the needle coupling member. The slide piece 56 installed inside the handle 52 with the needle coupling member 53 completely pushed toward the support tube 51 is provided. The jammed state is released.

At this time, the needle coupling member 53 continues to drill in a state in close contact with the surface of the abdomen, and when the close state is released, the initial state, that is, the needle (by the first spring installed inside the support tube 51) 59 is brought into the inside of the needle coupling member 53 to prevent the organs from being damaged even if the needle 59 is continuously drawn into the abdomen.

In addition, when the abdomen is punctured by the needle 59, the puncture is performed in a state of being coupled to the bushing 17 so that the sleeve tube 20 or the inserting portion 30 provided on the upper portion of the bushing 17 may be applied even when a momentary force is applied. It does not enter the unintentional depth because it is caught.

In the state of puncturing the abdomen using the needle 50, the needle 50 is removed, and carbon dioxide gas is injected into the abdomen of the patient through the carbon dioxide injection tube 18 installed at one side of the lower case 12. The internal organs and the abdomen to fall off to secure space for easy laparoscopic surgery.

Surgery is performed by introducing another surgical instrument into the abdomen with a space secured between the abdominal surface and the organs by the carbon dioxide gas.

The surgical instrument is introduced into the abdomen by the guide tube 35a of the guide tube 35, or when the diameter of the surgical instrument is larger than that of the guide tube, the sleeve tube (when the upper plate 32 is folded) Through 20).

The surgical instrument introduced through the guide tube 35 or the sleeve tube 20 installed on one side of the upper plate 32 may be the first silicon packing 34 or the second silicon packing installed on the upper plate 32 or the sleeve tube 20. Since it is in close contact with (25), the outside air is prevented from entering the abdomen of the patient and at the same time to prevent the carbon dioxide gas injected into the abdomen of the patient to secure the surgical space.

As the head portion 10 rotates in various angles by the needle 50 during the operation, the bushing 17 is conventionally pulled out of the abdomen and causes great trouble in the operation, but the operation of the head portion 10 during the operation Since the anti-slip protrusion 17a is formed at the outer periphery of the bushing 17 which is coupled to the bottom part, while the head part 10 is rotated in various angles, the bushing 17 is prevented from falling out of the abdomen. Surgery can be safely performed.

In addition, the button portion 40 provided on one side of the head portion 10 is not used only when the surgical instrument is removed, and gauze or organ extracts used to wipe off the affected part or absorb other suspended matters during surgery are used. The button unit 40 is operated when the bag is taken out.

In the process of operating the button unit 4 to take out gauze or organ extracts, when the button 42 provided on one side of the head unit 10 is pressed, the button 42 engages the button body 41. Pushed into the groove.

As the button 42 is pushed in to operate the operating piece 44 connected to one side thereof, the operating piece 44 is pushed in the same direction as the direction in which the button 41 is moved by the push protrusion 45. The second coupling protrusion 24a of the opening and closing member 23 installed at the lower portion of the sleeve tube 20 is pushed to open the pin 24c by rotating the pin 24c.

Since the opening and closing member 23 completely opens the lower portion of the sleeve tube 20, it can be conveniently taken out when taking out the gauze or the organ extract.

As described above, it is convenient to take out the gauze or organ extract while looking at the upper case 11 formed in a transparent state in a completely opened state of the lower portion of the sleeve tube 20.

In addition, since the upper case 11 is formed transparent, the gauze or the organ extract can be taken out without being caught by other members of the lower portion of the sleeve tube 20.

As described above, the present invention has an effect of smoothly inserting the head because the head is formed to be transparent, so that the surgical instrument is inserted through the sleeve.

In addition, since projections are formed on the outer periphery of the bushing, the bushing is prevented from being detached from the abdomen during the operation, so that the surgery can be stably performed.

In addition, when removing the surgical instrument or gauze during the operation through the sleeve tube, by pressing the button on one side of the head portion to secure the space there is an effect that can be prevented by the opening and closing member installed in the lower sleeve tube.

In addition, there is an effect of preventing the outside air flow into the abdomen when the surgical instrument is pulled in and out of the trocar during surgery so that laparoscopic surgery can be performed without long-term surgery in the abdomen.

In addition, when the perforation is introduced into the abdomen when puncturing the abdomen for laparoscopic surgery, the needle is automatically introduced into the support tube, thereby preventing damage to the organs.

In addition, there is an effect that the laparoscopy is conveniently performed by allowing the insert portion into which the bushing is inserted to rotate 360 °.

In addition, even if any of the surgical instruments required for laparoscopic surgery is used to maintain the airtight has the effect of preventing the inflow of air or carbon dioxide gas to the abdomen.

In addition, the button portion to open and close the opening and closing panel arbitrarily has the effect of taking out the gauze during laparoscopic surgery or easily remove the organ extract.

In addition, the material of the bushing is formed of any one of synthetic resins, ceramics, synthetic resins containing silver nano or synthetic resins, and is not limited to the above materials, considering the hygiene of the patient and using materials that are not harmful to the human body. It is effective in preventing secondary infection.

Claims (5)

In a laparoscopic trocar for puncturing the abdomen of the patient to perform laparoscopic surgery through a surgical instrument, An installation hole 11a is formed at an upper portion, an upper case 11 having a locking jaw 11b formed at a portion of the installation hole 11a, and a bushing fixing protrusion 13 and an injection hole fixing protrusion 14 at the bottom and one side thereof. Head portion 10 consisting of a lower case 12 having a; Bushing 17 is installed on the bottom of the lower case 12; A sleeve tube 20 installed inside the head portion 10; An insertion part 30 installed on the sleeve tube 20; A button unit 40 installed at one side of the head unit 10; Laparoscopic trocar, characterized in that consisting of a penetrating 50 is inserted into the bushing (17) through the sleeve tube 20 or the insertion portion 30 to puncture the abdomen. The method of claim 1, The button unit 40 and the button body 41 is installed on one side of the upper case 11, the lower case 12; A button 42 coupled to one side of the button body 41; Laparoscopic trocar, characterized in that consisting of the operating piece 44 having a push projection (45) and coupled to the button (42). The method of claim 1, Trocar 17 is a laparoscopic trocar, characterized in that the non-slip projection (17a) formed on the outer circumference. The method of claim 1, Pitch 50 is composed of a support tube 51, the handle 52 is installed on the upper portion of the support tube 51, the lower end of the support tube 51 is provided with a needle coupling member 53, The slide rod 54 of the support tube 51 fixes the needle 59 by the pressing piece 56b installed at one side of the handle 52 so that the drilling is easy, and the penetrating needle 50 in the fixed state is abdominal. Laparoscopic trocar, characterized in that the needle 59 is automatically positioned by the needle coupling member (53) is located on the inside. The method of claim 3, The material of the bushing 17 is a laparoscopic trocar, characterized in that formed of any one of synthetic resin, ceramic, silver-containing synthetic resin or synthetic resin.

Images