JPS6354174A - Body fluid discharge apparatus - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a body fluid drainage device configured to allow a medical device such as a catheter to be easily and aseptically inserted into the body and to drain fluids from the body to the outside of the body. Regarding equipment.

<Prior art> Catheters are used to clean organs such as the bladder and ureters, to drain their contents, or to inject medicinal solutions into organs, or to drain fluids from body cavities such as the pleural cavity and peritoneal cavity. or used.

Among the above, urinary catheters used for the bladder and ureter need to be handled aseptically to avoid infection from the urinary tract.

Conventionally, in order to carry out such aseptic operations, it was necessary to sterilize the urinary catheter and the bottles, forceps, rubber gloves, etc. used when inserting this catheter into the body. Handling requires specialized techniques such as grasping the catheter with rubber-gloved fingertips after removing it from its packaging, applying lubricant to the tip of the catheter, and inserting the catheter into the urethral opening while grasping the catheter with a binder. Therefore, there was a desire for a catheter that could be easily operated aseptically and easily inserted into the body.

<Problems to be Solved by the Invention> The present invention has been made in view of the above-mentioned circumstances, and provides a simple mechanism for easily, reliably, and aseptically inserting a catheter into the body. [J objective is to provide a body fluid evacuation device for this purpose.

<Means for Solving the Problems> The present invention is directed to a method for aseptically inserting a catheter into the body and draining fluids from the body to the outside of the body. & discharge device), the proximal end is an open end and the distal end is a closed end, and the proximal end is sealed with an elastic stretchable part of a predetermined length formed in the vicinity of the proximal end; an encapsulating member having a sealing means that can be unsealed during use, a closed end at a proximal end and an open end at a distal end, and at least one drain formed near the proximal end. a catheter having an opening for use and a removable filter that allows gas to pass through but not liquid to pass through the distal end thereof, and when in use, the sealing means of the navigation envelope member is unsealed; To provide a body fluid draining device, characterized in that the catheter is housed in the enveloping member so that the proximal end portion of the catheter is exposed from the enveloping member when the feeding expandable part is contracted. .

In the above invention, the drainage opening may be provided on the end surface of the proximal end of the catheter, or may be provided on a portion other than the end surface.

The present invention will now be described in detail with reference to preferred embodiments shown in the drawings.

FIG. 1 is a longitudinal sectional view of the body fluid evacuation device of the present invention.

The body fluid evacuation device of the present invention is comprised of an encasing member 1 and a catheter 6 housed within the encasing member 1.

First, the encasing member construction will be explained in detail.

The shape of the envelope member 1 is such that it accommodates a catheter 6, which will be described later.
A hollow cylinder or a hollow polygonal cylinder is preferable since it is inserted into the body.

The proximal end 2 of the envelope l is an open end, and the distal end 5 is a closed end.

An extensible portion 3 having a predetermined length is provided in a peripheral wall portion near the base end 2 .

The extensible portion 3 needs to have a length such that the proximal end portion of the catheter 6 can be exposed from the proximal end 2 of the envelope member 1 by expanding and contracting the extensible portion 3, as will be described later, and also needs to have elasticity.

The elastic part 3 may have any structure as long as it can change the length of the covering member 1 to 1+ and has elasticity, and a suitable example thereof is as shown in FIG. An example of this is one in which the extendable part 3 is made of a shroud.

Alternatively, the circumferential wall of the envelope member 1 may be made of a material with low rigidity over a predetermined length to form the expandable portion 3.

The proximal end 2 is provided with a sealing means 4 capable of sealing and sealing the proximal end 2 to keep the inside of the envelope member 1 sterile and to easily unseal it when in use.

As shown in FIG. 1, a suitable example of such a sealing means 4 is one that allows the sealing means 4 to be easily peeled off by holding the gripping portion 41 with one's fingers. is preferred.

Furthermore, the sealing means 4 is not limited to the example shown in FIG.
Any material may be used as long as it can be sealed and hermetically sealed, and can be opened easily during use without contaminating the catheter 6 housed inside.

The enveloping member 1 is attached to the distal end 9 of the catheter 6 as described below.
It is preferable to make it transparent or translucent so that the flow of urine into the stopper 11 attached to the stopper 11 can be confirmed.

The material of the enveloping member 1 is polypropylene resin,
Polyethylene resin and the like are preferred.

Next, the catheter 6 will be explained in detail.

The catheter 6 is composed of a catheter body 61 and a plug body 11.

The proximal end portion 7 of the catheter body 61 is a closed QQ portion,
Distal end 9 is an open end.

This J! Near the end 7, that is, on the end face of the proximal end 7 or on the peripheral wall adjacent thereto, there is at least one drainage opening 8 for allowing body fluid to flow into the catheter body 61, typically as shown in FIG. As shown, a plurality of them are evenly provided on the peripheral wall.

The size, number, and position of the drainage openings 8 are appropriately determined depending on the use of the catheter body 61 to ensure sufficient drainage.

A transparent or translucent stopper 11 equipped with an air-permeable leakage-proof filter 10 is attached to the distal end 9 so that it can be easily removed from the catheter body 61 during urine collection, which will be described later.

As the breathable leakage-proof filter 10, it is preferable to use a filter that allows gas to pass through but does not allow liquids such as urine to pass through.
For example, a membrane filter in which a polyester resin base material is coated with polyvinyl chloride can be used.

By attaching a transparent or translucent stopper 11 equipped with such a filter to the distal end 9 of the catheter body 61, when the catheter 6 is used, the catheter body 6
1 can be confirmed to have reached the bladder without urine leaking from the distal end 9 of the catheter body 61 (conventionally, Baern forceps were used to prevent urine from leaking).

The material of the catheter body 61 is preferably latex rubber, silicone rubber, vinyl chloride resin, or the like.

Further, the plug body 11 is formed to be transparent or semitransparent, and its material is preferably acrylic resin, polyethylene resin, polypropylene resin, or the like. The catheter 6 configured as described above is housed in the envelope member 1 such that the proximal end 7 of the catheter body 61 is on the same side as the proximal end 2 of the envelope member 1.

As will be described later, when the catheter 6 is in use, the extensible portion 3
By expanding and contracting the proximal end portion, that is, the vicinity of the proximal end portion 7 of the catheter body 61, the proximal end portion 2 of the encasing member
In order to make the catheter 6 more exposed, the positional relationship between the two when the catheter 6 is housed in the encasing member 1 is as follows.
As shown in FIG. 1, the proximal end portion of the catheter 6 is preferably located between the proximal end 2 of the envelope member 1 and the telescopic portion 3.

In addition, with the catheter 6 housed within the envelope member 1,
The catheter 6 and the enveloping member 1 are separated so that an appropriate space exists between the outer circumferential wall of the catheter 6 and the inner circumferential wall of the encasing member 1.
Preferably, the dimensions are determined.

The reason for the existence of such a space is that, as will be described later, the catheter 6 can be fixed with a finger through the peripheral wall of the envelope member 1, and the catheter 6 can move through the inner cavity of the envelope member 1 without resistance. This is to make it possible.

However, the structure is not limited to this, and any structure may be used as long as the proximal end portion of the catheter 6 can be exposed from the envelope member 1 by expanding and contracting the expandable portion 3.

<Operation> A method of inserting a catheter into a patient's body using the body fi evacuation device of the present invention as illustrated in FIG. 1 will be described.

First, the gripping part 41 of the sealing means 4 of the enveloped member 1 is pinched with fingers and the sealing means 4 is peeled off, and the catheter body 61 is removed from the proximal end 2 of the enveloped member 10 with the lubricant (xylocaine jelly, etc.) opened. Drop onto the proximal end 7.

Next, as shown in FIG. 2a, the encased member portion 1b, which is the part of the encased member 1 in the direction opposite to the proximal end 2 side of the elastic part 3, is strongly pressed with a finger, and the inside of the encased member 1 is The housed catheter 6 is fixed to the envelope member portion 1b.

Then, lightly pinch the covering member portion 1a, which is the part of the member to be colored 1 closer to the proximal end 2 than the elastic portion 3, with your fingers.
By moving a in the direction A in FIG. 2a, the telescopic portion 3 is contracted. (See Figure 2b).

Next, the catheter 6 is fixed to the envelope member portion 1a by strongly pressing the envelope member portion 1a with a finger.

Then, when you let go of your fingers that have pinched the enveloping member portion 1b, the restoring force of the elastic extensible portion 3 is used to move the proximal end portion of the catheter 6 from the proximal end 2 of the encasing member 1 into the urethra [J insertion]. The required length can be exposed (see Figure 2c).

Next, as shown in FIG.
The catheter 6 remains exposed from the proximal end 2 of the encasing member! The proximal end portion of the catheter 6 is inserted into the urethral orifice 21, which has been fixed to the urethral orifice 21 and the periphery of the catheter 6 has been sterilized.

Next, the catheter 6 is gradually inserted into the proximal end of the enveloping member 1 by repeating the expansion and contraction operation of the extensible part 3 as described in FIGS. 2a, 2b, and 2c, for example, without directly touching the catheter. The catheter 6 is further inserted into the urethral opening 21 while exposing the catheter 6 from the urethral opening 21.

When the drainage opening 8 at the proximal end of the catheter 6 reaches the bladder, urine flows from the drainage opening 8 into the catheter 6.
It flows toward the distal end of the catheter 6.

At this time, due to the action of the air-permeable leakage-proof filter 10 attached to the distal end 9 of the catheter body 61, the air inside the catheter 6 is discharged and the catheter 6 is quickly filled with urine. No leakage.

Since the plug body 11 is transparent or semi-transparent,
The inflow of urine into the catheter 6 can be visually confirmed.

After confirming that urine has flowed into the catheter 6, the enveloping member 1 is removed from the catheter body 61.

Then, the stopper 11 is removed from the distal end 9 of the catheter body 61, and urine is collected aseptically using a predetermined container such as a sterile urine pot or a urine bag, or the urine is flushed into a toilet or the like.

<Effects of the Invention> According to the body fluid evacuation device of the present invention, the catheter is sealed and housed in the enveloping member in a quiet manner, and when in use, by expanding and contracting the extensible portion provided in the enveloping member, the catheter is Because the catheter can be inserted into the body without touching the body,
In inserting a catheter into the body, 5! ! Sterilized bottle sets, which were traditionally required for quiet operations,
Not only do instruments such as forceps and gloves not be required, but the catheter can also be easily inserted into the body because the catheter can be manually manipulated via the enveloping member during insertion.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view of the body fluid evacuation device of the present invention. 2A, 2B, and 2C are explanatory diagrams showing the operating procedure for exposing the proximal end portion of the catheter from the enveloping member. FIG. 3 is an explanatory diagram showing a state in which the proximal end portion of the catheter exposed from the envelope member is inserted into the urethral orifice. Explanation of symbols 1... Covering member, 1a, 1b - Covering member portion, 2... Proximal end, 3... Expandable portion, 4... Sealing means, 5... End, 6...・Catheter, 7-・Proximal end, 8-
-Drainage opening, 9--end portion, 10...breathable leak-proof filter, 11...plug body, 21...urethral opening, 41--gripping portion, 61--catheter body F! G, 1 FIG, 2a FIG, 2b FIG, 2
cFIG, 3

Claims (3)

[Claims] (1) A body fluid evacuation device for aseptically inserting a catheter into the body and discharging fluid from the body to the outside of the body, the proximal end being an open end and the distal end being a closed end, and a portion near the proximal end. an enveloping member having an elastic stretchable part of a predetermined length and a sealing means that seals the proximal end and can be unsealed when in use; the distal end is an open end, and at least one
a catheter having a plurality of drainage openings and a removable filter attached to the distal end that allows gas to pass through but not liquids, and the sealing means of the encapsulating member is unsealed when in use. A body fluid draining device characterized in that the catheter is housed in the enveloping member so that a proximal end portion of the catheter is exposed from the encasing member when the extensible portion is contracted. (2) The body fluid drainage device according to claim 1, wherein the drainage opening is formed in the end surface of the proximal end. (3) The body fluid draining device according to claim 1, wherein the draining opening is a side opening provided in a portion other than the end surface of the proximal end.