CN213554214U

CN213554214U - From three chamber catheters of taking bladder flush joint

Info

Publication number: CN213554214U
Application number: CN202022369354.7U
Authority: CN
Inventors: 孙娜
Original assignee: Chinese PLA General Hospital
Current assignee: Chinese PLA General Hospital
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-29
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a three-cavity catheter with a bladder flushing joint, which comprises a main pipeline, a water injection pipe, a urine drainage pipe and a bladder flushing pipe, wherein the end part of the bladder flushing pipe is connected with the flushing joint, the flushing joint comprises a connecting pipe and a piston rod, the left end of the connecting pipe is spliced with the bladder flushing pipe, the right end of the connecting pipe is detachably connected with an end cap, the side surface of the connecting pipe is provided with an access pipe, a rubber sleeve is fixedly arranged in the connecting pipe, the left side of the piston rod is arranged in the rubber sleeve in a sealing and sliding manner, a limiting ring is fixedly arranged on the piston rod, the right end of the piston rod is fixedly provided with an operating sheet, and a front end sealing ring and a rear end sealing ring are arranged on the piston rod. The utility model provides a wash the structure and can avoid appearing the excessive condition of urine in operation process, it is troublesome to have reduced unnecessary.

Description

From three chamber catheters of taking bladder flush joint

Technical Field

The utility model relates to a three chamber catheter technical field especially relates to a from three chamber catheters of taking bladder flush joint.

Background

The three-cavity catheter is a medical appliance commonly used in clinic, a first cavity of the three-cavity catheter is used for inflating a water sac, a second cavity of the three-cavity catheter is used for draining urine, a third cavity of the three-cavity catheter is used for flushing bladder, and the third cavity of the three-cavity catheter is not provided with a plug when leaving a factory, so that a medical worker can insert a riffled joint at the opening of the third cavity when using the three-cavity catheter at ordinary times, the riffled joint is a positive pressure joint and is in a closed state at ordinary times, and the three-cavity catheter can realize a passage under the action of pressure only when injecting bladder cleaning liquid, so that urine leakage can be prevented, and an infusion apparatus can be directly connected for closed bladder flushing when flushing bladder, but due to the fact that the sizes are not matched, the riffled joint is firmly plugged and installed when being installed, great effort is taken, and the three-cavity catheter with the bladder flushing joint is disclosed in the utility model patent specification with the publication number of 'CN 209679264U', although the structure of the three-cavity catheter with the bladder flushing connector is realized, when the three-cavity catheter is used, the sealing cap needs to be taken down firstly, and then the three-cavity catheter is connected with an infusion apparatus, so that urine can overflow frequently, the three-cavity catheter is very unhygienic, and troubles are caused for patients and medical care personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a from three chamber catheters of taking bladder flush joint to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a three-cavity catheter with a bladder irrigation joint, which comprises a main pipeline, a water injection pipe, a urine drainage pipe and a bladder irrigation pipe which are all connected with the main pipeline, the end part of the bladder irrigation pipe is connected with an irrigation joint, the irrigation joint comprises a connecting pipe and a piston rod, the left end of the connecting pipe is spliced with the bladder irrigation pipe, the right end of the connecting pipe is detachably connected with an end cap, the side surface of the connecting pipe is provided with an access pipe, a rubber sleeve is fixedly arranged in the connecting pipe, a through hole opposite to the position of the access pipe is arranged on the rubber sleeve, the left side of the piston rod is arranged in the rubber sleeve in a sealing and sliding manner, a limit ring is fixedly arranged on the piston rod, a limiting cavity for limiting the limiting ring is formed between the connecting pipe and the end cap, an operating sheet is fixedly arranged at the right end of the piston rod, and a through hole for the piston rod to pass through is formed in the end cap;

the diameter of the piston rod is smaller than the inner diameter of the rubber sleeve, at least one front end sealing ring and at least one rear end sealing ring are arranged on the piston rod, the front end sealing ring is located on the left side of the through hole, and the rear end sealing ring is located on the right side of the through hole.

Further, the connecting pipe is connected with the end cap through a thread structure, and the thread structure comprises an external thread arranged on the connecting pipe and an internal thread arranged on the end cap.

Furthermore, the access pipe and the connecting pipe are arranged in an acute angle structure.

Furthermore, the included angle between the access pipe and the connecting pipe is 25-60 degrees.

Further, the piston rod is provided with an annular mounting groove matched with the front end sealing ring and the rear end sealing ring 12.

Furthermore, the front end sealing ring is provided with two positions, and the rear end sealing ring is provided with three positions.

Further, a sealing plug is arranged on the access pipe.

Further, the diameter of the operation piece is larger than the outer diameter of the end cap.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses an increase assorted washing structure on the bladder washpipe of current three chamber catheters, more do benefit to the washing operation of bladder, great reduction medical personnel's work load, and the utility model provides a washing structure can avoid appearing the excessive condition of urine in the operation process, and it is troublesome to have reduced unnecessary.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of a flushing structure according to an embodiment of the present invention;

fig. 3 is a usage status diagram of the embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the three-cavity urinary catheter with a bladder irrigation joint in this embodiment includes a main pipeline 1, and a water injection tube 2, a urine drainage tube 3, and a bladder irrigation tube 4 all connected to the main pipeline 1, wherein an end of the bladder irrigation tube 4 is connected to the irrigation joint.

The flushing connector comprises a connecting pipe 5 and a piston rod 6, the left end of the connecting pipe 5 is inserted with the bladder flushing pipe 4, wherein the left end of connecting pipe 5 is provided with the chamfer outward along being provided with, be convenient for its installation with the grafting of bladder irrigation pipe 4, the right-hand member detachable of connecting pipe 5 is connected with end cap 7, the side of connecting pipe 5 is provided with inserts pipe 501, insert pipe 501 and connecting pipe 5 structure as an organic whole injection moulding, connecting pipe 5 internal fixation is provided with rubber sleeve 8, be provided with on the rubber sleeve 8 with inserting the through-hole 801 that the pipe 501 position is relative, the left side of piston rod 6 can seal gliding setting in rubber sleeve 8, the fixed spacing ring 601 that is provided with on piston rod 6, it carries out spacing chamber 9 to spacing ring 601 to form between connecting pipe 5 and the end cap 7, the fixed operation piece 10 that is provided with of right-hand member of piston rod 6, be provided with the.

The rubber sleeve 8 is fixedly connected with the connecting pipe 5 in an adhesive mode.

The right-hand member of piston rod 6 is provided with the fixture block, and cooperation fixture block is provided with the draw-in groove on the operation piece 10, sets detachable structure through piston rod 6 and operation piece 10, and its equipment of being convenient for.

The diameter of the piston rod 6 is smaller than the inner diameter of the rubber sleeve 8, at least one front end sealing ring 11 and at least one rear end sealing ring 12 are arranged on the piston rod 6, the front end sealing ring 11 is located on the left side of the through hole 801, and the rear end sealing ring 12 is located on the right side of the through hole 801.

Connecting pipe 5 is connected through helicitic texture with end cap 7, and helicitic texture is including setting up the external screw thread on connecting pipe 5 and setting up the internal thread on end cap 7.

The access pipe 501 and the connecting pipe 5 are arranged in an acute angle structure, and preferably, the included angle between the access pipe 501 and the connecting pipe 5 is 25-60 degrees, so that the inflow of the bladder cleaning fluid is more convenient.

An annular mounting groove is arranged on the piston rod 6 and matched with the front end sealing ring 11 and the rear end sealing ring 12.

In the present embodiment, the front end seal ring 11 is provided at two locations, and the rear end seal ring 12 is provided at three locations.

The access tube 501 is provided with a sealing plug 13.

The diameter of the operating plate 10 is larger than the outer diameter of the end cap 7.

The utility model discloses a use method does:

as shown in fig. 2, when the catheter is not used, the piston rod 6 is moved to the left limit position by pressing the operating piece 10, and the front end sealing ring 11 is located at the left side of the through hole 801, so that urine seeped from the catheter can be prevented from entering the access pipe 501, and a sealing effect is achieved;

when bladder cleaning is needed, firstly, the sealing plug 13 is removed, and the interface of the infusion apparatus is directly connected with the access pipe 501, at the moment, the access pipe 501 is not communicated with the inside of the catheter, so that the condition of urine overflow can be avoided;

then, as shown in fig. 3, the operating piece 10 is pulled to the right, so that the piston rod 6 moves to the right limit position, and the front end sealing ring 11 is located at the right side of the through hole 801, so that the communication between the catheter and the infusion apparatus is realized, and at this time, the bladder cleaning fluid is injected normally.

In addition, the outer diameters of the front end sealing ring 11 and the rear end sealing ring 12 are larger than the inner diameter of the rubber sleeve 8, so that a certain extrusion effect can be achieved after installation, and the sealing effect is further improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a from three chamber catheters of taking bladder washing joint, includes main line and all water injection pipe, urine drainage tube and the bladder washing pipe that is connected with the main line, the end connection of bladder washing pipe has washing joint, its characterized in that: the flushing connector comprises a connecting pipe and a piston rod, the left end of the connecting pipe is spliced with the bladder flushing pipe, the right end of the connecting pipe is detachably connected with an end cap, an access pipe is arranged on the side surface of the connecting pipe, a rubber sleeve is fixedly arranged in the connecting pipe, a through hole opposite to the access pipe is formed in the rubber sleeve, the left side of the piston rod is hermetically and slidably arranged in the rubber sleeve, a limiting ring is fixedly arranged on the piston rod, a limiting cavity for limiting the limiting ring is formed between the connecting pipe and the end cap, an operating sheet is fixedly arranged at the right end of the piston rod, and a through hole for the piston rod to pass through is;

2. The three-cavity catheter with the bladder irrigation joint as recited in claim 1, wherein: the connecting pipe is connected with the end cap through a thread structure, and the thread structure comprises an external thread arranged on the connecting pipe and an internal thread arranged on the end cap.

3. The three-cavity catheter with the bladder irrigation joint as recited in claim 1, wherein: the access pipe and the connecting pipe are arranged in an acute angle structure.

4. The three-cavity catheter with the bladder irrigation joint as recited in claim 3, wherein: the included angle between the access pipe and the connecting pipe is 25-60 degrees.

5. The three-cavity catheter with the bladder irrigation joint as recited in claim 1, wherein: and the piston rod is provided with an annular mounting groove matched with the front end sealing ring and the rear end sealing ring.

6. The three-cavity catheter with the bladder irrigation joint as recited in claim 1, wherein: the front end sealing ring is provided with two positions, and the rear end sealing ring is provided with three positions.

7. The three-cavity catheter with the bladder irrigation joint as recited in claim 1, wherein: and a sealing plug is arranged on the access pipe.

8. The three-cavity catheter with the bladder irrigation joint as recited in claim 1, wherein: the diameter of the operating piece is larger than the outer diameter of the end cap.