CN213252569U - Tee joint for bladder drainage and flushing - Google Patents

Abstract

A three-way joint for bladder drainage and irrigation comprises a valve body, wherein a first interface, a second interface and a third interface are connected to the valve body in a run-through manner, a urethral catheter joint is fixedly connected to the first interface, the urethral catheter joint is a pagoda-type joint, a locking joint is fixed to the second interface, a positive pressure joint is fixed to the third interface, the locking joint comprises a locking sheet and a fastening nut, the locking sheet is horn-shaped and consists of a plurality of arc-shaped sheets, and the locking sheet shrinks towards the middle in the outward rotation process of the fastening nut to lock a drainage bag connecting pipe penetrating into the locking sheet; the positive pressure joint comprises a shell, a plugging head, a return spring and a joint pipe. The tee joint can be directly connected with the catheter; the flushing connecting port is provided with a positive pressure joint, so that the hospital infection caused by air and bacteria entering can be prevented after the flushing pipeline is pulled out; the tee joint can be tightly fixed with the connecting pipe of the drainage bag, so that the connecting pipe of the drainage bag is prevented from being detached.

Description

Tee joint for bladder drainage and flushing

Technical Field

The utility model relates to the field of medical care products, concretely relates to bladder drainage is washed and is used tee bend.

Background

The bladder fistulization drainage is to insert a double-cavity or three-cavity air sac catheter into bladder drainage urine from the upper part of the pubic symphysis, so as to effectively relieve urinary obstruction, protect the kidney function and maintain the balance of water electrolyte metabolism and internal environment of an organism. The catheter of the three-cavity air bag catheter is provided with three interfaces, one interface is an inflation interface, the inflation interface is connected with an inflation air bag fixed on the catheter, the other interface is a flushing interface, the flushing interface is connected with a flushing channel on the catheter, the third interface is a drainage interface, and the drainage interface is connected with a drainage channel on the catheter; and be equipped with two interfaces on the two-chamber gasbag catheter, the interface of the same kind is the interface of aerifing, aerifys fixed gasbag connection on interface and the catheter, and another way interface is drainage interface, and drainage interface is connected with drainage channel, because two-chamber gasbag catheter lacks the washing passageway, consequently need use the tee bend in order to connect drainage bag, washing pipeline and catheter when using to reach the purpose of washing, drainage. However, the existing tee has the following problems: 1. can not be directly connected with the drainage end of the catheter; 2. the connection port of the tee joint and the flushing pipeline lacks corresponding sealing measures, so that the aseptic operation standard is not met, bacteria enter the connection port and enter the catheter along with the flushing pipeline to cause iatrogenic infection; 3. the connecting pipe of the drainage bag is not tightly connected with the tee joint, and the connecting pipe is easy to separate from the tee joint.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model designs a tee joint for bladder drainage and irrigation, which can be directly connected with a catheter; the flushing connecting port is provided with a positive pressure joint, so that the hospital infection caused by air and bacteria entering can be prevented after the flushing pipeline is pulled out; the tee joint and the connecting pipe of the drainage bag can be tightly fixed to prevent the pipe from falling off.

In order to achieve the technical effects, the utility model discloses a following technical scheme realizes:

a three-way joint for bladder drainage and irrigation comprises a valve body, wherein a first interface, a second interface and a third interface are connected to the valve body in a run-through manner, a urethral catheter joint is fixedly connected to the first interface, the urethral catheter joint is a pagoda-type joint, a locking joint is fixed to the second interface, a positive pressure joint is fixed to the third interface, the locking joint comprises a locking sheet and a fastening nut, the locking sheet is horn-shaped and consists of a plurality of arc-shaped sheets, external threads are arranged outside the locking sheet, internal threads are arranged on the inner wall of the fastening nut, and the locking sheet is contracted towards the middle in the outward rotation process of the fastening nut so as to lock a drainage bag connecting pipe penetrating into the locking sheet; the positive pressure joint comprises a shell, a blocking head, a reset spring and a joint pipe, wherein a working cavity is formed in the shell, the working cavity is narrow at the top and wide at the bottom, the joint pipe is fixed at the bottom of the shell, one end of the reset spring is fixed on the joint pipe, the other end of the reset spring is fixed on the blocking head, the blocking head is arranged at the top of the working cavity, and the top surface of the blocking head is a slope surface.

Furthermore, the valve body comprises a valve casing and a valve core, the first interface, the second interface and the third interface are in through connection with the valve casing, the valve core is fixed on the valve casing and can rotate in a cavity of the valve casing, the valve core comprises a screwing part and a plugging part, a first channel, a second channel and a third channel corresponding to the first interface, the second interface and the third interface are arranged on the plugging part, and the first channel, the second channel and the third channel are mutually communicated.

The utility model has the advantages that: the tee joint can be directly connected with the catheter; the flushing connecting port is provided with a positive pressure joint, so that the hospital infection caused by air and bacteria entering can be prevented after the flushing pipeline is pulled out; the tee joint can be tightly fixed with the connecting pipe of the drainage bag, so that the connecting pipe of the drainage bag is prevented from being detached.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a tee for bladder drainage and irrigation;

FIG. 2 is a schematic diagram of the structure of the tee joint for bladder drainage and irrigation;

FIG. 3 is a schematic cross-sectional view of the positive pressure fitting shown;

fig. 4 is a schematic view of the using state of the tee joint for bladder drainage and irrigation.

In the drawings, the components represented by the respective reference numerals are listed below:

1-valve body, 2-first interface, 3-second interface, 4-third interface, 5-catheter connector, 6-positive pressure connector, 7-locking piece, 8-fastening nut, 9-valve core, 10-plugging part, 11-screwing part, 12-first channel, 13-third channel, 14-arc piece, 15-shell, 16-plugging head, 17-reset spring, 18-connector tube, 19-catheter, 20-drainage bag and 21-flushing bottle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, a three-way for bladder drainage and irrigation comprises a valve body 1, wherein a first connector 2, a second connector 3 and a third connector 4 are connected to the valve body 1 in a run-through manner, a catheter connector 5 is fixedly connected to the first connector, the catheter connector 5 is a pagoda-type connector, a locking connector is fixed to the second connector 3, a positive pressure connector 6 is fixed to the third connector 4, the locking connector comprises a locking sheet 7 and a fastening nut 8, the locking sheet 7 is horn-shaped, the locking sheet 7 consists of 2 arc-shaped sheets 14, external threads are arranged outside the locking sheet 14, internal threads are arranged on the inner wall of the fastening nut 8, and the locking sheet 14 shrinks towards the middle in the outward rotation process of the fastening nut 8 to lock a drainage bag connecting pipe penetrating into the locking sheet; the positive pressure joint 6 include casing 15, shutoff head 16, reset spring 17 and adapter tube 18, it has the working chamber to open in the casing 15, the working chamber is narrow down wide, the adapter tube is fixed in the bottom of casing, reset spring 17's one end is fixed in on the adapter tube 18 and the other end is fixed in on the shutoff head 16, shutoff head 16 sets up in the top of working chamber, the top surface of shutoff head 16 is a domatic, this domatic can prevent that the flushing line front end from being blocked up, guarantees that the flush fluid flows out smoothly.

The valve body 1 comprises a valve casing and a valve core 9, the first interface 2, the second interface 3 and the third interface 4 are in through connection with the valve casing, the valve core 9 is fixed on the valve casing and can rotate in a cavity of the valve casing, the valve core comprises a screwing part 11 and a plugging part 10, a first channel 12, a second channel and a third channel 13 corresponding to the first interface, the second interface and the third interface are arranged on the plugging part 10, and the first channel 12, the second channel and the third channel 13 are mutually through.

One specific application of the device is as follows: the drainage interface of the catheter 19 is inserted into the three-way catheter connector 5, the connecting pipe of the drainage bag 20 is inserted into the locking sheet 14, the fastening nut 8 is screwed outwards, the locking sheet 14 is tightly attached to the connecting pipe under the extrusion action of the fastening nut 8, so that the connecting pipe is locked in the locking sheet 14, and the problem that the connecting pipe of the drainage bag 20 is detached is solved; the front end of the flushing pipeline of the flushing bottle 21 is inserted into the positive pressure connector 6, the blocking head 16 enters the lower part of the working cavity under the pushing of the flushing pipeline, at the moment, flushing liquid flowing out of the flushing pipeline enters the connector pipe 18 along a gap between the blocking head 16 and the working cavity, and the flushing liquid enters the bladder along the catheter 19 to complete the flushing of the bladder.

In order to facilitate the adjustment of the valve core, the first port 2 and the second port 3 in the embodiment are located on the same straight line and are perpendicular to the straight line where the third port 4 is located. When the double-cavity air bag catheter is needed to be used for flushing, the flushing pipeline of the flushing bottle 21 is inserted into the positive pressure connector 6, the screwing part 11 is rotated clockwise to 90 degrees, the second connector 3 is blocked by the blocking part 10, the first connector 1 and the third connector 4 are kept smooth, the flushing pipeline is opened, and the flushing liquid in the flushing bottle can flush the bladder through the catheter 19; after washing, pull out the washing pipeline, the shutoff head 16 resets to the top of working chamber under reset spring 17's elasticity effect this moment and forms the shutoff with just pressing the joint, rotates clockwise again this moment and revolves to twist portion 11 to 180 degrees, and first interface 1 and second interface 2 link up this moment, and third interface 3 is blocked up by shutoff portion 10, can carry out the drainage to the flush fluid in the bladder this moment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (2)

1. A three-way joint for bladder drainage and flushing comprises a valve body, wherein a first interface, a second interface and a third interface are connected to the valve body in a run-through manner, and the three-way joint is characterized in that a catheter joint is fixedly connected to the first interface and is a pagoda-type joint, a locking joint is fixed to the second interface, a positive pressure joint is fixed to the third interface, the locking joint comprises a locking piece and a fastening nut, the locking piece is horn-shaped and consists of a plurality of arc-shaped pieces, external threads are arranged outside the locking piece, internal threads are arranged on the inner wall of the fastening nut, and the locking piece shrinks towards the middle in the outward rotation process of the fastening nut to lock a drainage bag connecting pipe penetrating into the locking piece; the positive pressure joint comprises a shell, a blocking head, a reset spring and a joint pipe, wherein a working cavity is formed in the shell, the working cavity is narrow at the top and wide at the bottom, the joint pipe is fixed at the bottom of the shell, one end of the reset spring is fixed on the joint pipe, the other end of the reset spring is fixed on the blocking head, the blocking head is arranged at the top of the working cavity, and the top surface of the blocking head is a slope surface.

2. The tee joint for drainage and irrigation of the bladder according to claim 1, wherein the valve body comprises a valve housing and a valve core, the first port, the second port and the third port are communicated with the valve housing, the valve core is fixed on the valve housing and can rotate in a cavity of the valve housing, the valve core comprises a screwing part and a plugging part, a first channel, a second channel and a third channel corresponding to the first port, the second port and the third port are formed in the plugging part, and the first channel, the second channel and the third channel are communicated with each other.

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