JP3184175U - Trocar cleaning tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple cleaning tool for cleaning the inside of a trocar used for endoscopic surgery.
SOLUTION: A cleaning tool 1 for cleaning the inside of a trocar 11 is a rod-like elongated body, and is wiped by inserting one end portion into a handle portion 6 to be operated and the other end side portion being inserted into the trocar. Part 7. At least the outer peripheral layer of the wiping unit 7 has an absorptivity that absorbs body fluids such as blood and fat droplets adhering to the inside of the trocar 11. The wiping portion 7 is longer than the trocar 11, has the same or substantially the same cross-sectional shape as the through hole of the trocar 11, and has the same or substantially the same thickness as the through hole of the trocar 11. In the cleaning tool 1, the insertion end of the wiping portion 7 has a strength higher than that required for expanding and passing the leakage valve 14 for inflating the body cavity gas in the trocar 11.
[Selection] Figure 4

Description

  The present invention relates to a cleaning tool for cleaning the inside of a trocar in an endoscopic operation.

  In endoscopic surgery, a trocar is inserted into the body cavity from outside the body cavity of the patient through the cavity wall. In the trocar, the inner end side of the tip protrudes into the body cavity and the outer end side protrudes out of the body cavity. This trocar is a tube having a circular cross section as a basic structure, and the hollow portion of the tube and the gas for inflating the body cavity, the distal end of the endoscope, or the distal end of the forceps pass through the through hole. In the middle of the through-hole, there is a leakage valve for the body cavity inflation gas. The patient's body cavity is typically the abdominal cavity or chest cavity.

  A trocar attached to the patient's endoscope placement position passes through the leakage valve on the way from the opening at the outer end to the opening at the inner end, and passes the tip of the endoscope. In the endoscope, a distal end side portion is fitted into a trocar, and the distal end protrudes into a body cavity. The tip of the endoscope emits illumination light and receives reflected light from the subject. The surgeon performs the operation while watching the image projected by the endoscope. The basic form of the endoscope is a round bar or a round string.

  In the endoscope, the distal end located in the body cavity is contaminated with body fluid such as blood or fat droplets generated by excision of living tissue in the body cavity. Then, the light emitting part and the light receiving part at the tip are covered with body fluid and dirt, and a clear image cannot be obtained. The operation is interrupted when the image becomes unclear. The endoscope removes the tip side portion from the trocar. Put the dirty tip of the endoscope out of the body cavity. The tip that goes out of the body cavity is cleaned by wiping with an absorbent material such as gauze.

  When the dirty tip of the endoscope is pulled out through the trocar, the trocar passes through the leak-proof valve from the opening at the inner end, passes the dirty tip of the endoscope to the opening at the outer end, and the inner surface and the leak-proof valve. Is dirty. When the cleaned tip of the endoscope is inserted into a trocar having a dirty interior, the cleaned tip of the endoscope comes into contact with the dirty inner surface of the trocar and the leak-proof valve and becomes dirty.

  Therefore, a forceps having gauze wrapped around the tip or a forceps holding the gauze at the tip is inserted into the trocar with the tip dirty and the inside dirty. The forceps move back and forth within the trocar. Or it rotates. The dirty interior of the trocar is cleaned by wiping with gauze on the forceps. Insert the cleaned endoscope into the cleaned trocar. Again, a clear image can be obtained. Resume surgery.

  When the forceps are inserted into a trocar attached to the patient's forceps insertion position and the forceps gripping the filth at the tip are extracted through the trocar, the inside of the trocar is also soiled. The trocar is cleaned as well.

Japanese Utility Model Publication No. 4-3704

[Task]
When cleaning the dirty interior of the trocar in endoscopic surgery, as described above, if forceps and gauze are used, it is necessary to prepare the forceps and gauze for cleaning in advance. In addition, it takes time and labor to wind the gauze around the forceps and to grasp the gauze with the forceps. In addition, it takes time and effort to clean and sterilize the forceps after use.
Cleaning the inside of the trocar requires expensive forceps and takes a lot of work.

[Idea]
I decided to devise a simple cleaning tool to clean the inside of the trocar.
The cleaning tool is a rod-shaped elongated body. The rod-shaped elongated body is gripped by one hand and inserted into the trocar at the other end, and moves back and forth within the trocar. Or it rotates. That is, the rod-like elongated body is a handle portion that is operated by grasping one end portion with a hand. The other end portion is a wiping portion to be inserted into the trocar.

  The material of the cleaning tool, at least the material of the wiping section, is made absorbent to absorb dirt, blood and fat droplets that adhere to the inside of the trocar. At least the outer peripheral layer of the wiping portion is made absorbent.

  The length of the wiping portion is longer than that of the trocar. The length of the trocar is suitable for cleaning the entire length. Preferably, the length of the trocar is increased. The length of the handle portion is set to a length suitable for being grasped by a hand and operated.

  The cross-sectional shape of the cleaning tool, at least the cross-sectional shape of the wiping portion, is the same as or substantially the same as the through hole of the trocar. For example, it is circular or polygonal.

  The thickness of the cleaning tool, at least the thickness of the extraction part, is the same as or substantially the same as the through hole of the trocar. Preferably, the thickness is such that the extraction portion fills the through hole of the trocar. That is, the same thickness as the through hole of the trocar, or the diameter of the through hole of the trocar and the inner diameter of the trocar are increased.

  The strength of the cleaning tool is set to be higher than the strength necessary for the distal end and the insertion end of the wiping portion to expand and pass the body cavity inflation gas leakage prevention valve in the trocar.

The trocar cleaning tool grabs the handle part by hand, inserts the wiping part into the trocar, and moves back and forth. Or it rotates. Wipe off body fluids and dirt such as blood and fat droplets adhering to the inside of the trocar. It doesn't take much time to clean the inside of the trocar.
The rod-like elongated body of the cleaning tool has a simple structure and can be manufactured at low cost. Suitable for single use.

[embodiment]
A specific example of a cleaning tool is an absorbent nonwoven material. Examples of the raw material for the nonwoven fabric include recycled fibers such as cupra and rayon, plant fibers such as cotton, and absorbent fibers such as pulp. In addition, mixing of non-absorbing and low-absorbing raw materials such as synthetic fibers such as polyester is allowed. In short, an absorbent non-woven fabric that absorbs body fluids such as blood and fat droplets adhering to the inside of the trocar is used.

  The absorbent non-woven fabric is rolled into a rod shape and the end of winding is fastened. That is, a non-woven rod-shaped wound body or a rod-shaped elongated body is used. The non-woven rod-shaped wound body is a solid rod without a center hole, or a hollow rod with a center hole or a tube.

The non-woven rod-shaped wound body has one end portion as a handle portion and the other end portion as a wiping portion. The wiping portion is longer than the trocar and has the same or almost the same diameter as the through hole of the trocar. The handle portion has a length suitable for being grasped by a hand and operated. In the non-woven rod-shaped wound body, the distal end and the insertion end of the wiping portion have a strength higher than that necessary to push the body cavity inflating gas leakage valve in the trocar and pass it.
The nonwoven fabric rod-shaped wound body of the cleaning tool is cheap because the nonwoven fabric of the material is inexpensive. Suitable for single use.

1. A cleaning tool for cleaning the inside of a trocar used for endoscopic surgery,
The cleaning tool is made into a rod-like elongated body, the handle part to be operated by grasping one end part by hand, the wiping part to insert the other end part into the trocar,
At least the outer peripheral layer of the wiping part should be absorbent to absorb body fluids such as blood and fat droplets that adhere to the inside of the trocar,
The wiping part is longer than the trocar, has the same or substantially the same cross-sectional shape as the through hole of the trocar, has the same or almost the same thickness as the through hole of the trocar,
The cleaning tool is a cleaning tool for a trocar, characterized in that the insertion end of the wiping portion has a strength higher than that necessary for pushing and expanding a leakage valve for a body cavity inflation gas in the trocar.
2. In the trocar cleaning tool of 1 above,
The wiping portion is characterized by having a length that is a strong trocar.
3. In the cleaning tool of the above 1 or 2 trocar,
The wiping portion has a thickness that fills the through hole of the trocar.
4). In the trocar cleaning tool of 1, 2 or 3 above,
The rod-shaped elongated body is a non-woven rod-shaped wound body,
A non-woven rod-shaped wound body is characterized in that a non-woven fabric is wound into a rod shape, the end of winding is fastened, and a solid rod shape without a center hole or a hollow rod shape with a center hole is formed.
5. In the above 4 trocar cleaning tool,
The non-woven fabric is characterized in that it absorbs body fluids such as blood and fat droplets adhering to the inside of the trocar.
6). In the trocar cleaning tool of any one of 1 to 5 above,
The rod-like elongated body is characterized by being formed into a round bar shape having a uniform diameter or a substantially uniform diameter over the entire length.

  Trocar cleaning tools do not require much effort to clean the inside of the trocar. It can be manufactured at low cost. Suitable for single use.

The middle omission front view of the cleaning tool of the trocar in the 1st example of the embodiment of the present invention. The middle abbreviated right side view of the cleaning tool. The enlarged plan view of the cleaning tool. Front view of the cleaning tool and trocar. The front view at the time of use of the cleaning tool. The middle omission front view of the cleaning tool of the trocar in the 2nd example of an embodiment. The middle abbreviated right side view of the cleaning tool. The enlarged plan view of the cleaning tool.

[First example (see FIGS. 1 to 5)]
The trocar cleaning tool 1 of this example has a rod-like elongated body as shown in FIGS. The rod-shaped elongated body is a non-woven rod-shaped wound body.

  The rod-shaped wound body of the nonwoven fabric is formed into a round bar shape by winding the rectangular nonwoven fabric 2 many times in a spiral shape with the short side end of one end as the central axis. The short side end of the other end of the nonwoven fabric 2 and the end of winding 3 are fastened to the outer surface of the nonwoven fabric 2 with an adhesive. That is, it is a solid round bar shape without a center hole. The round bar has a uniform diameter or a substantially uniform diameter over the entire length.

  The nonwoven fabric 2 is made mainly of recycled fibers such as cupra and rayon, plant fibers such as cotton, and absorbent fibers such as pulp. Absorbent non-woven fabric that absorbs body fluids such as blood and fat droplets adhering to the inside of the trocar. The adhesive that holds the winding end 3 of the nonwoven fabric 2 is glue or hot melt.

  As shown in FIG. 4, the cleaning tool 1 has a handle portion 6 that is operated by grasping one end portion of a non-woven stick-shaped wound body with a hand h. The other end portion is a wiping portion 7 that is inserted into the main pipe 12 of the trocar 11. The handle portion 6 and the wiping portion 7 are configured in two parts.

  The wiping unit 7 is configured to absorb the entire body including the outer peripheral layer so as to absorb body fluid such as blood and fat droplets adhering to the inside of the main pipe 12. The handle portion 6 has the same absorbency.

  The length of the wiping portion 7 is longer than the main pipe 12 of the trocar 11. The length of the main pipe 12 is made strong. The handle portion 6 has a length suitable for being grasped and operated by the hand h.

  The handle portion 6 and the wiping portion 7 have the same circular cross section as the through hole of the main pipe 12 of the trocar 11 and have the same diameter or substantially the same diameter as the through hole of the main pipe 12. The wiping portion 7 has a thickness that fills the through hole of the main pipe 12. That is, the outer diameter of the wiping portion 7 is set to the same diameter as the through hole of the main pipe 12 and the inner diameter of the main pipe 12, or the diameter of the through hole of the main pipe 12 is increased.

  The strength of the cleaning tool 1 is set to be higher than the strength necessary for the distal end and the insertion end of the wiping portion 7 to expand and pass the leakage valve 14 of the body cavity inflation gas in the main pipe 12 of the trocar 11. .

  As shown in FIG. 4, the trocar 11 is connected to a branch pipe 13 for injecting a body cavity inflation gas into a main pipe 12 having a circular cross section through which an endoscope and forceps are passed. The main pipe 12 is provided with a leak-proof valve 14 at the outer end side position of the branch pipe connecting portion. The leakage prevention valve 14 is a check valve that prevents the body cavity inflation gas from flowing out from the outer end opening of the main pipe 12. The branch pipe 13 is provided with an on-off valve 15 in the middle.

  Examples of the trocar 11 include a 3 mm trocar, a 5 mm trocar, a 10 mm trocar, a 12 mm trocar, and a 16 mm trocar. The cleaning tool 1 has a size suitable for the trocar 11 to be cleaned.

  In the embodiment, the trocar 11 is a 10 mm trocar into which an endoscope having an outer diameter of 10 mm is inserted. The 10 mm trocar has a length of about 150 mm. The cleaning tool 1 has a total length of about 250 mm. The wiping unit 7 has a length of just over 150 mm and an outer diameter of over 10 mm.

  When using the cleaning tool 1, as shown in FIG. 5, the person who performs the cleaning grasps the handle portion 6 with the hand h. The wiping unit 7 is inserted into the main pipe 12 of the trocar 11 that penetrates the cavity wall b of the patient. The insertion end of the wiping portion 7 protrudes from the opening at the inner end through the leak-proof valve 14 from the opening at the outer end of the main pipe 12. The wiping unit 7 moves back and forth within the main pipe 12 by operating the hand h. Or it rotates and rotates. As a result, dirt that adheres to the inside of the main pipe 12 and body fluids such as blood and fat droplets are sucked by the wiping unit 7 and wiped off. Thereafter, the wiping unit 7 is extracted from the main pipe 12. The inside of the main pipe 12 is cleaned. If the cleaning tool 1 becomes dirty after use, it is discarded. Make it disposable.

[Second Example (see FIGS. 6 to 8)]
As shown in FIGS. 6 to 8, the trocar cleaning tool 21 of this example has a rod-like elongated body or a non-woven rod-like wound body in a hollow rod shape with a center hole 24. Tubular.

  The rod-shaped wound body of the nonwoven fabric is a round or tubular shape in which a rectangular or square nonwoven fabric 22 is formed with a central hole 24 and wound many times in a spiral shape. The end of winding 23 of the nonwoven fabric 22 is fastened to the outer surface of the nonwoven fabric 22 with an adhesive. That is, it has a hollow round bar shape with a central hole 24 and a round tube shape. In the round tube shape, the outer diameter and the inner diameter are equal or almost equal over the entire length.

The nonwoven fabric 22 is made of the same raw material as in the first example. The adhesive that holds the end of winding 23 of the nonwoven fabric 22 is the same as in the first example.
The hollow rod-shaped wound body of the nonwoven fabric has a handle portion 6 that is operated by grasping one end portion with a hand h. The other end portion is a wiping portion 7 that is inserted into the main pipe 12 of the trocar 11.
The other points are the same as in the first example.

[Modification]
The present invention is not limited to the above embodiment. The following modifications are exemplified.
1. In the above-described embodiment, the cleaning tools 1 and 21 have a two-part configuration of the handle part 6 and the wiping part 7, but a large-diameter insertion stopper is provided between the parts 6 and 7. Make the configuration.
2. In the above embodiment, the cleaning tools 1 and 21 have a circular cross section, but a polygonal shape.
3. In the above embodiment, the handle portion 6 has the same thickness as the wiping portion 7, but is thicker or thinner than the wiping portion 7. Make the thickness easy to grasp.
4). In the above embodiment, the trocar 11 of the example is a trocar for inserting and removing the endoscope, but is a trocar for inserting and removing forceps.

DESCRIPTION OF SYMBOLS 1 Trocar cleaning tool 2 Non-woven fabric 3 End of winding 6 Handle part 7 Wiping part 11 Trocar 12 Main pipe 13 Branch pipe 14 Leak valve 15 On-off valve h Cleaning person's hand b Patient cavity wall 21 Trocar cleaning tool 22 Nonwoven fabric 23 End of winding 24 Center hole

Claims (6)

A cleaning tool for cleaning the inside of a trocar used for endoscopic surgery,
The cleaning tool is made into a rod-like elongated body, the handle part to be operated by grasping one end part by hand, the wiping part to insert the other end part into the trocar,
At least the outer peripheral layer of the wiping part should be absorbent to absorb body fluids such as blood and fat droplets that adhere to the inside of the trocar,
The wiping part is longer than the trocar, has the same or substantially the same cross-sectional shape as the through hole of the trocar, has the same or almost the same thickness as the through hole of the trocar,
The cleaning tool is a cleaning tool for a trocar, characterized in that the insertion end of the wiping portion has a strength higher than that necessary for pushing and expanding a leakage valve for a body cavity inflation gas in the trocar.   The trocar cleaning tool according to claim 1, wherein the wiping portion has a length that is a strong trocar length.   The trocar cleaning tool according to claim 1, wherein the wiping portion has a thickness that fills a through hole of the trocar. The rod-shaped elongated body is a non-woven rod-shaped wound body,
The non-woven fabric rod-shaped wound body is formed by winding a non-woven fabric into a rod shape, fastening the end of winding, and forming a solid rod shape without a center hole, or a hollow rod shape with a center hole. Or the cleaning tool of the trocar of 3.   The trocar cleaning tool according to claim 4, wherein the nonwoven fabric has an absorbability for absorbing body fluids such as blood and fat droplets adhering to the inside of the trocar.   The trocar cleaning tool according to any one of claims 1 to 5, wherein the rod-like elongated body is formed into a round bar shape having an equal diameter or substantially an equal diameter over the entire length.

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