JP7175482B2 - medical instruments - Google Patents

Description

The present invention relates to medical instruments used in endoscopic surgery.

BACKGROUND ART In recent years, in surgical operations, endoscopic surgery has been widely used from the viewpoint of QOL (Quality Of Life), such as reducing patient pain, shortening hospital stays, and reducing scars. In endoscopic surgery, the operator inserts forceps from a thin tube (trocarl) and performs surgery while observing the image of the endoscope. Since this endoscopic surgery requires a smaller incision than an open surgery, it places less of a burden on the patient.

Conventionally, when measuring the size and length of internal organs in the body cavity, sutures used in surgery or gauze for wiping body fluids are applied to the site to be measured, the length is recorded, and the length is measured outside the abdominal cavity. The lengths brought out and recorded are measured with a sterile tape measure for extraperitoneal use. Also, as another measuring method, the length is measured using the tip opening length of the forceps used in surgery.

Conventionally, there are no prior art documents related to instruments used for measuring the size and length of the surgical site in the body cavity.

As described above, when measuring the size and length of an organ in a body cavity, the measurement is performed indirectly outside the abdominal cavity, and it is necessary to measure the size and length outside the abdominal cavity each time.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a medical instrument capable of directly measuring the size and length of an internal organ in a body cavity. and

A medical instrument according to the present disclosure is a medical instrument for use in endoscopic surgery, and includes a main body and a scale for length measurement provided on the surface of the main body.

In another aspect of the medical device, the main body is made of a material that adsorbs bodily fluids, the main body has a trapezoidal shape having an upper base and a lower base in a plan view, and the main body includes the upper base and the lower base. The scale is provided along the direction in which the bottom base extends.

In another form of the medical instrument, threads are sewn on the main body as the graduations.

According to this disclosure, it is possible to provide a medical instrument capable of directly measuring the size and length of an organ in a body cavity.

1 is a front view of the medical instrument according to Embodiment 1; FIG. 1 is a plan view of the medical instrument according to Embodiment 1; FIG. 1 is a side view of the medical device of Embodiment 1. FIG. FIG. 10 is a front view of the medical instrument according to Embodiment 2; FIG. 10 is a plan view of the medical instrument according to Embodiment 2; FIG. 10 is a side view of the medical instrument according to Embodiment 2; FIG. 11 is a front view of a medical device according to Embodiment 3; FIG. 11 is a plan view of a medical device according to Embodiment 3; FIG. 11 is a side view of the medical instrument of Embodiment 3; FIG. 11 is a front view of a medical instrument according to Embodiment 4; FIG. 11 is a partially enlarged view of the area surrounded by XI in FIG. 10; FIG. 11 is a front view of a medical instrument according to Embodiment 5; FIG. 13 is a partially enlarged view of the area surrounded by XIII in FIG. 12;

A medical device according to each embodiment based on the present invention will be described below with reference to the drawings. In the embodiments described below, when referring to the number, amount, etc., the scope of the present invention is not necessarily limited to the number, amount, etc., unless otherwise specified. The same reference numbers are given to the same parts and equivalent parts, and redundant description may not be repeated. It is planned from the beginning to use the configurations in the embodiments in combination as appropriate.

In addition, in the explanation using the drawings, for convenience of explanation, the visible side is expressed as the front side, and the hidden side is expressed as the back side, but the front side is one side, and the back side means the other side. is not to be construed as being limited to

(Embodiment 1)
A medical instrument 1A according to the present embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is a front view of a medical instrument 1A of Embodiment 1, FIG. 2 is a plan view, and FIG. 3 is a side view.

1 to 3, a medical instrument 1A according to the present embodiment includes a horizontally long trapezoidal main body 10 having an upper base and a lower base in a plan view. For the main body 10, for example, gauze is used as a member that absorbs bodily fluids during surgery. Adsorbents other than gauze will be described later, but the material used for the main body 10 is preferably a material that has a function of adsorbing bodily fluids and is deformable to allow the trocar to pass through.

The main body 10 has a length (W1) on the bottom (long side) side of about 20 cm and a length (W2) on the top side (short side) of about 17 cm. The height (H1) is approximately 2 cm. The size of this medical instrument 1A is an example, and various dimensions are used depending on the application. For the gauze of the main body 10, a coarsely woven cloth product using 100% cotton yarn is used.

An X-ray contrast thread 14 is woven in the central position of the body 10 in the height direction along the direction in which the upper and lower bases extend (hereinafter referred to as the longitudinal direction). Components of the X-ray contrast thread 14 include, for example, 50% barium sulfate (contrast medium), styrene elastomer (fixing material), and TET 5MA636 GRN (colorant: green). Polypropylene may be used in place of the styrene elastomer. Blue may also be used instead of green. The thickness of the X-ray contrast thread 14 is preferably about 1 mm to 6 mm, which is suitable for the application. As for the type of yarn, single yarn, double yarn, ribbon-like yarn, twisted yarn, etc. can be used.

Further, in the medical device 1A of the present embodiment, a black thread forming scales 12 for length measurement is sewn on the main body 10 along the longitudinal direction of the main body 10 . The length of scale 12 is 15 cm. Long scales and short scales are alternately provided at intervals of 5 mm, and the lower ends of the scales are connected by a single straight line. One connecting line provided at the lower end of the scale is positioned on the lower bottom (long side) side of the main body 10 . Since the black thread forming the scale 12 is sewn on the main body 10, it is equally visible from both the front side and the back side of the main body 10. - 特許庁

Since the main body 10 is white, a black thread is used for the scales 12 in order to facilitate visual recognition. may be A medical silk thread is used for the black thread used for the scale 12 . The thread used for the scale 12 may be a twisted silk thread widely used in surgery, which has little effect on the living body.

The scale 12 in this embodiment is based on the metric system in units of 5 mm, but other units of length such as inches, feet, yards, miles, etc. may be used.

Moreover, although the case where the thread is sewn as the scale 12 is shown, the scale may be applied by printing. In this case, if printed on the front side, it cannot be seen from the back side.

As described above, according to the medical instrument 1A of the present embodiment, it is possible to provide a medical instrument capable of directly measuring the size and length of an internal organ or the like.

More specifically, medical gauze must be used in any surgery (open surgery, endoscopic surgery, or robotic surgery). Therefore, since gauze is constantly prepared in the body cavity, it is possible to make effective use of it. In addition, gauze incorporates a contrast thread that enables X-ray confirmation, so foreign matter does not stray into the body cavity.

Gauze can also be used to absorb body fluids such as blood, but a general tape measure is just a tape measure, and its disposal leads to an increase in medical waste. On the other hand, according to the medical instrument 1A of the present embodiment, since it has both the functions of absorbing body fluids and measuring, it does not increase medical waste.

Furthermore, it is generally supported that gauze is an essential medical material for operators, and it is also true that a measure for measuring internal organs is necessary, and a combination of these is easily accepted by operators.

In addition, the medical instrument 1A of the present embodiment is a gauze that can be inserted through a 5 mm trocar, and is physically easier to insert into the trocar by reducing the volume of the gauze at the tip when passing through the trocar. Become. Therefore, by forming the main body 10 into a trapezoidal shape as in the present embodiment, it is possible to reduce the volume of gauze at both ends. Furthermore, when measuring an organ or the like in a body cavity using the medical instrument 1A, if the base (long side) of the trapezoidal shape is placed downward, the scale lines of 5 mm width and 10 mm width are easier to read.

(Embodiment 2)
A medical instrument 1B according to the present embodiment will be described with reference to FIGS. 4 to 6. FIG. 4 is a front view, FIG. 5 is a plan view, and FIG. 6 is a side view of the medical instrument 1B of Embodiment 2. As shown in FIG.

4 to 6, the basic configuration of medical instrument 1B according to the present embodiment is the same as that of medical instrument 1A according to the first embodiment. The difference is that in this embodiment, the form of the body 10 is a parallelogram.

As described above, with the medical instrument 1B according to the present embodiment, it is possible to obtain effects equivalent to those of the medical instrument 1A according to the first embodiment.

(Embodiment 3)
A medical instrument 1C according to the present embodiment will be described with reference to FIGS. 7 to 9. FIG. 7 is a front view, FIG. 8 is a plan view, and FIG. 9 is a side view of the medical instrument 1C of Embodiment 3. As shown in FIG.

7 to 9, the basic configuration of medical instrument 1C according to the present embodiment is the same as medical instrument 1A according to the first embodiment. The difference is that in this embodiment, the body 10 has a rectangular shape.

As described above, with the medical instrument 1C according to the present embodiment, it is possible to obtain basically the same effects as those of the medical instrument 1A according to the first embodiment.

In the above embodiments, the main body 10 has trapezoidal, parallelogram, and rectangular shapes, but is not limited to these shapes. Other shapes may be circular, elliptical, triangular, pentagonal, or other polygonal shapes.

(Body 10 used in other forms)
Here, the main body 10 will be described. First, there is the medical gauze. This medical gauze refers to a device intended to be applied to surgical incisions, other skin wounds or internal structures to control bleeding, absorb fluids, protect organs from abrasion, dryness or contamination. For example, the product name "Elephase" manufactured by Hakuzo Medical Co., Ltd. is applicable.

Gauze with X-ray contrast material is also included. This x-ray contrast gauze is a chemical-free absorbent cotton or cellulose material used inside the body or in surgical incisions to control bleeding, absorb fluid, or protect organs from abrasion, dryness, or contamination. say the material. A component that can detect X-rays is used. For example, the product name "Ope Gauze G" manufactured by Hakuzo Medical Co., Ltd. corresponds.

Other members include sponges containing X-ray contrast medium, laparotomy sponges, cotton-like pads, medical nonwoven fabrics, medical cotton swabs, absorbent gauze, and endoscopic lifters and strippers.

X-ray contrast sponges are intended for application to surgical incisions, other skin wounds or internal structures to control bleeding, absorb fluids, protect organs from abrasion, dryness or contamination. A device containing components detectable by X-rays. For example, the product name "Hakuzo Sterilized Lapat G" manufactured by Hakuzo Medical Co., Ltd. may be mentioned.

A laparotomy sponge refers to an instrument used inside the body during a laparotomy to control bleeding, absorb fluids, and prevent organ abrasion. For example, the product name "Sterilized Elefa Sponge" manufactured by Hakuzo Medical Co., Ltd. may be mentioned.

Cotton-like pads refer to pads such as cotton or synthetic fibers used during surgery to protect nerve tissue, absorb fluids, or stop bleeding. For example, the product name "Diosheet" manufactured by Hakuzo Medical Co., Ltd. may be used.

Medical nonwovens refer to coverings and protectors consisting of nonwovens used to treat wounds or surgical incisions. For example, the product name "Elefa Cross Lagze" manufactured by Hakuzo Medical Co., Ltd. may be mentioned.

Medical swabs are used to apply medications, apply treatments, or take samples for examination on parts of the body and within the body, or to clean body tissue from devices worn in the body. An instrument intended to be performed in a tactile manner. For example, the product name "Dr. Huby Port Cleaner" manufactured by Hakuzo Medical Co., Ltd. may be mentioned.

Absorbable gauze refers to a light, loosely textured sterile gauze composed of oxidized cellulose intended for use during surgery and absorption by the body.

The endoscopic lifter and stripper are used with a dedicated endoscope for endoscopic treatment, and refer to instruments with a swab (folded gauze or absorbent cotton pad) attached to the tip of the shaft. For example, the product name "Dr. Huby Micro" manufactured by Hakuzo Medical Co., Ltd. may be mentioned.

(Embodiment 4)
Next, the medical instrument 100 according to this embodiment will be described with reference to FIGS. 10 and 11. FIG. FIG. 10 is a front view of the medical instrument 100 of Embodiment 4, and FIG. 11 is a partial enlarged view of the area surrounded by XI in FIG.

The main bodies 10 of the medical instruments 1A to 1C shown in Embodiments 1 to 3 above have been described as having a scale for adsorbing bodily fluids, but they do not necessarily have to adsorb bodily fluids. The medical device 100 according to the present embodiment has a scale provided on the medical dissector.

10 and 11, this medical device 100 is a medical dissector, and includes a shaft portion 110 provided with a handle at one end and a balloon provided at the other end side of the shaft portion 110. 120. This medical stripper is a device used for organ retraction and adhesion stripping during endoscopic surgery. The balloon 120 provided at the distal end is shown in an expanded state in the drawing. Examples of such a medical peeler include a product name "Cathand" manufactured by Hakko Co., Ltd., and the like.

In medical instrument 100 according to the present embodiment, scale 112 for length measurement is provided on the surface of balloon 120 for organ retraction and adhesion dissection. In the present embodiment, scale 112 is provided in a direction intersecting the direction in which shaft portion 110 extends, but may be provided in a direction parallel to the direction in which shaft portion 110 extends.

Thus, by providing the scale 112 for length measurement on the medical dissector used in endoscopic surgery, it is possible to directly measure the size and length of an organ in a body cavity. .

(Embodiment 5)
Next, a medical instrument 200 according to this embodiment will be described with reference to FIGS. 12 and 13. FIG. FIG. 12 is a front view of a medical device 200 according to Embodiment 5, and FIG. 13 is a partial enlarged view of the area enclosed by XII in FIG.

Similarly to the medical instrument 100 of the above-described embodiment, the medical instrument 200 of the present embodiment does not adsorb bodily fluids, but is an organ fixator provided with a scale. An organ fixator is a wide, thin, flat pad or net with a string or cord attached at one end, often made of flexible plastic.

Organ fixators are used to hold organs in place and may be temporarily implanted within the surgical site. This product is for single use. For example, the product name "Sterilized Osaki Organ Fixator XA" manufactured by Osaki Medical Co., Ltd. may be mentioned.

12 and 13, this medical instrument 200 is an organ fixator, and is used, for example, in endoscopic surgery to lift and exclude the liver. Such an organ fixator is disclosed, for example, in Japanese Unexamined Patent Application Publication No. 2012-228282.

The medical device 200 has five threads 203 , 204 , 208 , 209 and 212 fixed to a sheet-like main body 201 . The sheet-like main body 201 is provided with a belt-like portion 202 extending in the lateral direction on the lower end side, and from this belt-like portion 202, a first piece portion 206 extending in the left direction having a bifurcated portion 207 and a second piece portion 211 extending in the right direction. is provided.

In the present embodiment, a scale 232 for length measurement is provided on the surface of one end of strip-shaped portion 202 . The position where the scale 232 is provided is merely an example, and the scale 232 may be provided on the surface of the band-shaped portion 202 on the other end side. Also, it may be provided on the first piece 206 and the second piece 211 .

Thus, by providing the scale 232 for length measurement on the organ fixator used in endoscopic surgery, it is possible to directly measure the size and length of an organ in a body cavity.

The above-mentioned medical distector and organ fixator are also examples of medical instruments used in endoscopic surgery, and scales may be provided for other medical instruments used in endoscopic surgery. By doing so, it is possible to directly measure the size and length of an organ in a body cavity.

As described above, the medical device of the present disclosure has been described in each embodiment, but the embodiment disclosed this time is illustrative in all respects and is not restrictive. The scope of the present invention is indicated by the scope of claims, and includes all modifications within the meaning and scope of equivalence to the scope of claims.

1A, 1B, 1C, 100, 200 medical instrument 10 main body 12, 112, 232 scale 14 X-ray contrast thread 110 shaft 120 balloon 201 sheet-like main body 202 belt-like part 203, 204, 208 , 209, 212 thread, 207 bifurcated portion, 206 first piece, 211 second piece.

Claims (3)

It is inserted into a body cavity via a trocar for directly measuring the size and length of internal organs in the body cavity, A medical instrument used in endoscopic surgery,
the main body;
a scale for measuring length provided on the surface of the main body;
equippede,
The main body uses a material that can be deformed when passing through the trocar and that adsorbs body fluids.
medical instruments. The main body has a trapezoidal shape with an upper base and a lower base in plan view,
The medical instrument according to claim 1, wherein the main body is provided with the scale along the extending direction of the upper base and the lower base. 3. The medical instrument according to claim 1, wherein threads are sewn on said main body as said graduations.

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