JP2022079009A - Laparoscopic surgery cleaning device - Google Patents

Abstract

To not only wash soil on an endoscope lens but also wash soil on a surgical site and remove a tissue or the like stuck to an electric knife.SOLUTION: A nozzle pipe is provided extending through the inside of a linear shaft 1 with a circular cross section, and the shaft 1 is fitted to an operation part 3 with a grip. The operation part 3 is provided with a water supply tube connection part 6 and a gas supply tube connection part 7, the water supply tube connection part 6 being connected to a nozzle tube 2 via a press button type manual valve for water 4 and the gas supply tube connection part 7 being connected to the nozzle tube 2 via a press button type manual valve for gas 5. Pressing the press button type manual valve for water 4 and the press button type manual valve for gas 5 causes water and gas to be ejected from an ejection nozzle 9. Provided at the distal end of the shaft 1 are forceps made of a stationary forceps piece 8 and a movable forceps piece 10. The ejection nozzle 9 is provided at the distal end of the stationary forceps piece 8 to operate the movable forceps piece 10 with an operation lever 11.SELECTED DRAWING: Figure 1

Description

The present invention relates to a cleaning device for laparoscopic surgery for cleaning dirt on an objective lens of an endoscope used for laparoscopic surgery.

Laparoscopic surgery is performed by making a plurality of holes in the abdomen, inserting a treatment tool such as an endoscope or surgical forceps into the abdominal cavity, and operating the treatment tool while viewing the image of the endoscope. At that time, if dirt such as blood adheres to the objective lens of the endoscope, the surgical site becomes difficult to see and the surgery cannot be continued. Therefore, if the lens becomes dirty, it is necessary to remove it, but if the dirty endoscope is pulled out of the body and removed, it will take time and effort just to pull it out and insert it into the body again, and insert it into the body. At that time, the focus is out of focus and it is necessary to adjust the focus again, which is very troublesome.

Therefore, conventionally, for example, as shown in Patent Documents 1 and 2, a tube for sending a cleaning liquid is attached to the endoscope, and a structure is provided so that the tip thereof can be ejected toward the lens, if necessary. A cleaning device has been proposed in which a cleaning liquid can be sprayed on the objective lens of an endoscope. By doing so, it becomes possible to remove the dirt on the lens without pulling the endoscope out of the body one by one.

Japanese Unexamined Patent Publication No. 5-38321 Japanese Unexamined Patent Publication No. 5-293074

However, in laparoscopic surgery, in addition to the dirt on the lens of the endoscope, the surgical site becomes difficult to see due to bleeding, etc. It may be difficult to remove. In such a case, the conventional cleaning device for laparoscopic surgery sprays the cleaning liquid only toward the lens of the endoscope, so that it cannot deal with the dirt on the surgical site and the dirt on the electric knife. There was a problem.

In view of such problems, it is an object of the present invention to be able to deal with not only stains on the endoscopic lens but also stains on the surgical site and sticking of the electric knife.

In order to solve the above-mentioned problems, in the invention according to claim 1 of the present application, a shaft having a circular cross section and extending linearly with a nozzle tube penetrating the inside and a base of the shaft are attached to open and close a valve. An operation unit having a water pressure feeding means for pumping water to the nozzle tube, a gas pumping means for pumping gas to the nozzle tube by opening and closing a valve, and a gas pumping means provided at the tip of the shaft to feed the gas through the nozzle tube. It is characterized by having an outlet for injecting the water or gas that has been collected at an angle with respect to the axis of the shaft.

Further, in the invention according to claim 2 of the present application, in the invention according to claim 1, a forceps composed of a fixed forceps piece and a movable forceps piece is provided at the tip of the shaft, and the injection is provided at the tip of the fixed forceps piece. It is characterized in that an outlet is provided so that the movable forceps piece can be operated by an operation lever provided in the operation unit.

Further, in the invention according to claim 3 of the present application, in the invention according to claim 1 or 2, a water tank and a gas cylinder are housed in the operation unit, and water can be pumped from the water tank to the nozzle tube. It is characterized in that gas can be pumped from the gas cylinder to the nozzle tube.

The present invention has the following effects.
That is, in the invention according to claim 1, a base portion of a shaft having a circular cross section and extending linearly, which is provided with a nozzle tube penetrating the inside, is attached to the operation portion, and the operation portion is attached to the operation portion by opening and closing a valve. A water pressure feeding means for pressure-feeding water to the nozzle pipe and a gas pressure feeding means for pressure-feeding gas to the nozzle pipe by opening and closing a valve are provided, and the gas is sent from the ejection port provided at the tip of the shaft through the nozzle pipe. The water or gas was sprayed at an angle to the shaft shaft. As a result, not only the dirt on the endoscopic lens but also the dirt on the surgical site can be cleaned.

Further, in the invention according to claim 2, in the laparoscopic surgical cleaning device according to claim 1, a forceps composed of a fixed forceps piece and a movable forceps piece is provided at the tip of the shaft, and the tip of the fixed forceps piece is provided. Since the spout is provided in the part and the movable forceps piece can be operated by the operation lever provided in the operation part, in addition to cleaning the dirt of the endoscope lens and the dirt of the surgical site, the electric knife sticks. Will be able to deal with.

Further, in the invention according to claim 3, in the cleaning apparatus for laparoscopic surgery according to claim 1 or 2, a water tank and a gas bomb are housed in the operation unit, and water is pumped from the water tank to the nozzle tube. Since the gas can be pumped from the gas cylinder to the nozzle pipe, it is not necessary to connect a water or gas supply pipe, and the handling becomes easy.

It is a figure which shows the washing apparatus for laparoscopic surgery which concerns on one Example of this invention. FIG. 3 is an enlarged view showing a tip portion of the cleaning device for laparoscopic surgery in FIG. 1. It is a figure for demonstrating the mechanism which opens and closes the forceps of the cleaning apparatus for laparoscopic surgery of FIG. It is a figure which shows the washing apparatus for laparoscopic surgery which concerns on 2nd Embodiment of this invention. It is a figure which shows the washing apparatus for laparoscopic surgery which concerns on 3rd Example of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a diagram showing a laparoscopic surgery cleaning device according to an embodiment of the present invention, and FIG. 2 is an enlarged view showing a tip portion of the laparoscopic surgery cleaning device of FIG. 3 is a diagram for explaining a mechanism for opening and closing the forceps of the laparoscopic surgical cleaning device of FIG. 1. In FIGS. 1, 2, and 3, reference numeral 1 is a shaft, 2 is a nozzle pipe, 3 is an operation unit, 4 is a push button type manual valve for water, 5 is a push button type manual valve for gas, and 6 is a water supply pipe. Connection part, 7 is gas supply pipe connection part, 8 is fixed forceps piece, 9 is spout, 10 is movable forceps piece, 11 is operation lever, 12 and 13 are rotary shafts, 14 is push rod, and 15 is spring. ..

The shaft 1 has a circular cross section and extends linearly, and has a nozzle tube 2 penetrated therein, and a fixed forceps piece 8 and a movable forceps piece 10 are provided at the tip thereof. The fixed forceps piece 8 is fixed to the shaft 1 and does not open / close, the movable forceps piece 10 opens / closes by operating the operation lever 11, and when the operation lever 11 is pulled, it rotates in the direction of the fixed forceps piece 8. However, it is possible to pinch and grasp an object together with the fixed forceps piece 8.

A base of the shaft 1 is attached to the operation unit 3, and a water supply pipe connection portion 6 and a gas supply pipe connection portion 7 are provided at the other end of the operation portion 3. A water supply pipe is connected to the water supply pipe connection portion 6, and pure water or physiological saline is supplied at a predetermined pressure. Further, a carbon dioxide supply pipe is connected to the gas supply pipe connection portion 7, and carbon dioxide gas is supplied at a predetermined pressure. The water supply pipe connecting portion 6 is connected to the nozzle pipe 2 via the water push button type manual valve 4, and the gas supply pipe connecting portion 7 is connected to the nozzle pipe via the gas push button type manual valve 5. It is connected to 2. As the push button type manual valve for water 4 and the push button type manual valve 5 for gas, a well-known push button type manual valve can be used.

As shown in FIG. 2, the tip portion of the nozzle tube 2 is arranged in the fixed forceps piece 8, and the spout 9 is provided so that the tip thereof is bent at a substantially right angle. Then, when the push button type manual valve 4 for water is pushed, the valve opens, the water supply pipe connecting portion 6 and the nozzle pipe 2 communicate with each other, and water is pressure-fed into the nozzle pipe 2 with respect to the shaft of the shaft 1. It spouts from the spout 9 at an angle. Further, when the push button type manual valve 5 for gas is pushed, the valve opens, the gas supply pipe connection portion 7 and the nozzle pipe 2 communicate with each other, and carbon dioxide gas is pumped into the nozzle pipe 2 to push the shaft. It is ejected from the spout 9 at an angle with respect to the axis of 1.

As shown in FIG. 3, the push rod 14 is attached to the operating lever 11 for opening and closing the movable forceps piece 10, and the tip of the push rod 14 is in contact with the upper working piece 10a of the movable forceps piece 10. .. Further, the movable forceps piece 10 is designed so that the lower actuating piece 10b is pushed by the spring 15 and is always opened upward. When the operating lever 11 is pulled in the direction of arrow A in that state, the push rod 14 moves in the direction of arrow B and pushes in the operating piece of the movable forceps piece 10. As a result, the movable forceps piece 10 rotates in the direction of the arrow C against the pressing force of the spring 15 and closes toward the fixed forceps piece 8.

In the cleaning device configured in this way, if the objective lens of the endoscope becomes dirty during laparoscopic surgery, the shaft 1 is inserted into the abdominal cavity through a hole made in the abdomen, and the spout 9 is used as the lens of the endoscope. Push the water push button type manual valve 4 toward it. As a result, water can be ejected from the ejection port 9 to clean the lens. The sprayed water is sucked by a suction device prepared separately and discharged to the outside of the body. After that, in order to remove the water droplets remaining on the lens, the gas push button type manual valve 5 is pushed, and carbon dioxide gas is ejected from the ejection port 9 to blow off the water droplets remaining on the lens. As a result, the image projected by the endoscope becomes clear.

Also, when using an electric scalpel, if tissue or fat is seized and sticks to the electric scalpel and it becomes difficult to perform excision work, insert the shaft 1 into the abdomen through a hole made in the abdomen and use fixed forceps. If the forceps portion composed of the piece 8 and the movable forceps piece 10 is applied to the portion where the tissue or fat is burnt and the operation lever 11 is operated, the sticking tissue or fat can be removed by sandwiching the sticking tissue or fat with the forceps.

By using such a cleaning device, not only the dirt on the endoscopic lens but also the dirt on the surgical site can be cleaned, and it becomes possible to deal with the sticking of tissues and fat to the electric knife.

FIG. 4 is a diagram showing a cleaning device for laparoscopic surgery according to a second embodiment of the present invention. Reference numerals 1 to 11 correspond to those in FIG. 1, 16 is a water tank, 17 is a gas cylinder, and 18 is a connecting pipe. In the first embodiment, the water supply pipe is connected to the water supply pipe connection portion 6 and the carbon dioxide supply pipe is connected to the gas supply pipe connection portion 7 so that water and carbon dioxide gas can be injected. However, in this embodiment, the water tank 16 and the carbon dioxide gas cylinder 17 are housed in the operation unit 3. In this way, it is not necessary to connect the water or gas supply pipe, and the handling becomes easy.

The water tank 16 and the gas cylinder 17 are connected by a connecting pipe 18 so that the pressure of the gas cylinder 17 is applied to the water tank 16, and the pressure is used to inject the water in the water tank 16 into the nozzle tube 2 or 2. I try to send it to the exit 9. The method of injecting water and gas and the method of operating the forceps portion are the same as those in the first embodiment.

By using such a cleaning device, it is not necessary to connect a water or gas supply pipe, and handling becomes easy.

FIG. 5 is a diagram showing a cleaning device for laparoscopic surgery according to a third embodiment of the present invention. Reference numerals 1 to 18 correspond to those in FIG. In this embodiment, the fixed forceps piece 8, the movable forceps piece 10, and the operating lever 11 are omitted from the cleaning device of FIG. 4, the ejection port 9 is bent from the tip of the shaft 1, and water or gas is discharged from the shaft of the shaft 1. It is designed to eject in the direction of an angle of about 90 ° with respect to the relative. In this way, the function of removing the tissue and fat stuck to the electric knife is lost, but the structure can be simplified.

1 Shaft 2 Nozzle pipe 3 Operation part 4 Water push button type manual valve 5 Gas push button type manual valve 6 Water supply pipe connection part 7 Gas supply pipe connection part 8 Fixed forceps piece 9 Spout 10 Movable forceps piece 11 Operation lever 12, 13 Rotating shaft 14 Push rod 15 Spring 16 Water tank 17 Gas bomb 18 Connecting pipe

Claims (3)

A shaft with a circular cross section and a straight line with a nozzle tube that penetrates the inside,
An operation unit to which a base of the shaft is attached and having a water pressure feeding means for pumping water to the nozzle pipe by opening and closing a valve and a gas pressure feeding means for pumping gas to the nozzle pipe by opening and closing the valve.
For laparoscopic surgery, which is provided at the tip of the shaft and is provided with an outlet for injecting water or gas sent through the nozzle tube at an angle with respect to the axis of the shaft. Cleaning equipment. A forceps composed of a fixed forceps piece and a movable forceps piece is provided at the tip of the shaft, the ejection port is provided at the tip of the fixed forceps piece, and the movable forceps piece can be operated by an operation lever provided in the operation part. The cleaning device for laparoscopic surgery according to claim 1. Claim 1 or 2 is characterized in that a water tank and a gas cylinder are housed in the operation unit, water can be pumped from the water tank to the nozzle pipe, and gas can be pumped from the gas cylinder to the nozzle pipe. The cleaning device for laparoscopic surgery according to.

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