CN213100411U - Indwelling catheter bladder washes uses joint - Google Patents

Abstract

The utility model provides a stay ureter bladder washes and uses joint, including nipple connector, check valve and washing connector, nipple connector and washing connector are fixed in the both ends of check valve respectively, and nipple connector comprises at least two-layer above coaxial sleeve pipe, and outer sleeve pipe can be followed the slip of inlayer sleeve pipe, is fixed with the gliding first spacing retaining ring of restriction outer sleeve pipe and the spacing retaining ring of second on the inlayer sleeve pipe, and outer sheathed tube sliding end is fixed with the rubber packing ring, and the sheathed tube left end of inlayer is opened there is the discharge orifice. The check valve comprises a first valve casing, a second valve casing, a sealing plate and a return spring, and the flushing connector is of a step-shaped structure formed by multi-stage connecting pipes. The connector can adapt to the nipples of the syringes with different outer diameters, meanwhile, the mode of one-way flushing of the connector can prevent flushing liquid from flowing back and air and bacteria from entering the indwelling catheter to cause iatrogenic infection, the connector is more stable to be connected with the flushing connector, and the problem that the connector falls off when the bladder is flushed is solved.

Description

Indwelling catheter bladder washes uses joint

Technical Field

The utility model relates to a medical care consumptive material field, concretely relates to keep somewhere catheter bladder and wash and use joint.

Background

The bladder irrigation is a method of using a catheter to infuse a solution into the bladder and then draining the infused liquid out by using the siphon principle. For the patient who keeps the ureter, the bladder can be washed to keep the urine drainage smooth, and can remove blood clots, mucus, bacteria and other foreign matters in the bladder to prevent the occurrence of infection. When the bladder is washed, a nursing staff connects the nipple of the syringe filled with the washing liquid to the washing connector of the indwelling catheter, and slowly pushes the syringe to inject the washing liquid into the bladder of a patient so as to achieve the purpose of washing. However, the following problems exist during the existing bladder irrigation care procedure: 1. the outer diameters of the nipples of the syringes with different volumes are different, when the syringes are inserted into the flushing connector of the indwelling catheter, the nipples with larger diameters cannot be inserted into the flushing connector, and the nipples with smaller diameters are inserted into the flushing connector to cause the problem of flushing liquid leakage when the syringes are flushed; 2. the flushing connector of the indwelling catheter is a through connector, and air can easily enter the indwelling catheter through the flushing connector and enter the bladder during flushing to cause iatrogenic infection; 3. the flushing joint is made of rubber or silica gel, and the nipple of the syringe is easily inserted into the flushing joint to fall off.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, designed a stay ureter bladder and washed and used joint, should connect the syringe nipple of adaptable different external diameters, the one-way mode of washing of this joint simultaneously can prevent that the flush fluid from flowing against the current and can prevent that air and bacterium from getting into and keeping somewhere the ureter and causing the iatrogenic infection, should connect and wash the articulate more firm, connect the problem that takes place to drop when preventing the bladder from washing.

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

a joint for flushing indwelling urinary catheter bladder comprises a nipple connector, a one-way valve and a flushing connector, wherein the nipple connector is fixed at the inlet end of the one-way valve, and the flushing connector is fixed at the outlet end of the one-way valve. The nipple connector comprises at least more than two layers of coaxial sleeves, the outer sleeve can slide along the inner sleeve, a first limiting retaining ring and a second limiting retaining ring for limiting the sliding of the outer sleeve are fixed on the inner sleeve, a clamping groove is formed in the sliding end of the outer sleeve, a rubber gasket is fixed in the clamping groove, an overflowing hole is formed in the end portion of the inner sleeve, and the innermost inner sleeve is fixedly connected with the inlet end of the one-way valve.

The check valve includes first valve casing, the second valve casing, closing plate and reset spring, it has the passageway that overflows to open on the closing plate, fixed connection between first valve casing and the second valve casing, closing plate and reset spring holding are in the working chamber between first valve casing and the second valve casing, the closing plate supports under reset spring's effect and holds on the arch of first valve casing, the passageway that overflows on the closing plate is sealed by the arch of first valve casing, reset spring's one end is supported and is held on the closing plate and the other end supports and hold on the lateral wall of second valve casing.

The flushing connector is of a step-shaped structure formed by multiple stages of connecting pipes, and annular bulges with conical sections are fixed on the outer walls of the connecting pipes at each stage.

The utility model has the advantages that: the connector can adapt to syringe nipples with different outer diameters, and meanwhile, the connector can prevent backflow of flushing liquid and iatrogenic infection caused by air and bacteria entering an indwelling catheter in a one-way flushing mode, and the connector is more stable to be connected with the flushing connector and can prevent the problem that the connector falls off when a bladder is flushed.

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 view of the appearance of a joint for irrigating an indwelling urinary catheter bladder;

FIG. 2 is a schematic sectional view of the catheter indwelling bladder irrigation fitting;

FIG. 3 is a schematic view showing the state of use of the indwelling urinary catheter bladder irrigation adapter.

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

1-nipple connector, 2-one-way valve, 3-flushing connector, 4-injector, 5-indwelling urinary catheter, 11-inner casing, 12-outer casing, 13-first limit retainer, 14-second limit retainer, 15-rubber gasket, 16-overflowing hole, 21-first valve casing, 22-second valve casing, 23-sealing plate, 24-reset spring, 25-overflowing channel, 31-connecting pipe, 32-annular bulge.

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 figures 1-2, the joint for rinsing indwelling urinary catheter bladder comprises a nipple joint 1, a one-way valve 2 and a rinsing joint 3, wherein the nipple joint 1 is fixed at the inlet end of the one-way valve 2, and the rinsing joint 3 is fixed at the outlet end of the one-way valve 2. The nipple connector 1 in this embodiment is composed of two layers of coaxial sleeves, the outer sleeve 12 can slide along the inner sleeve 11, the inner sleeve 11 is fixed with a first limiting retainer ring 13 and a second limiting retainer ring 14 for limiting the sliding of the outer sleeve 12, the sliding end of the outer sleeve 12 is provided with a clamping groove, a rubber gasket 15 is fixed in the clamping groove, the end part of the inner sleeve 11 is provided with a flow passing hole 16, and the inner sleeve 11 is fixedly connected with the inlet end of the one-way valve 2.

The check valve 2 comprises a first valve casing 21, a second valve casing 22, a sealing plate 23 and a return spring 24, wherein a flow passage 25 is formed in the sealing plate 23, the first valve casing 21 is fixedly connected with the second valve casing 22, the sealing plate 23 and the return spring 24 are accommodated in a working cavity between the first valve casing 21 and the second valve casing 22, the sealing plate 23 is supported on a protrusion of the first valve casing 21 under the action of the return spring 24, the flow passage 25 in the sealing plate 23 is sealed by the protrusion of the first valve casing 21, one end of the return spring 24 is supported on the sealing plate 23, and the other end of the return spring 24 is supported on the side wall of the second valve casing 22. The flushing connector 3 is formed into a step-shaped structure by a plurality of stages of connecting pipes 31, and an annular bulge 32 with a conical section is fixed on the outer wall of each stage of connecting pipe 31.

As shown in fig. 3, a specific application of the present device is: the flushing connector 3 is inserted into the flushing connector of the indwelling catheter 5, and the flushing connector 3 is composed of a plurality of stages of connecting pipes 31 and can be inserted into the flushing connectors with different inner diameters, a plurality of rings of annular protrusions 32 are fixed on the outer wall of each stage of connecting pipe 31, the annular protrusions 32 can increase the convex-concave engaging force between the connecting pipe 31 and the inner wall of the flushing connector, and the flushing connector 3 is prevented from being separated from the flushing connector 3.

Because the specification of the common injector for bladder irrigation is 50ml and 100ml, the nipple connecting head in the embodiment consists of an outer casing and an inner casing, the outer casing 12 can slide along the inner casing 11, a first limiting check ring 13 and a second limiting check ring 14 for limiting the outer casing 12 to slide are fixed on the inner casing 11, the corresponding casing is exposed according to the specification of the current irrigation injector, when the common injector is required to be connected to the inner casing 11, the outer casing 12 is pushed to the right side to expose the inner casing 11, the nipple of the injector is inserted into the inner casing 11, and the injector can be pushed after the nipple blocks the overflowing hole 16 on the inner casing 11; when it is desired to connect to the outer sleeve 12, the outer sleeve 12 is pulled out to the left and the nipple of the syringe is then inserted into the lumen of the outer sleeve 12, and when the syringe is pushed, the flushing fluid will enter the lumen of the inner sleeve 11 and the gap between the inner sleeve 11 and the outer sleeve 12, and the flushing fluid in the gap will enter the lumen of the inner sleeve 11 through the overflow aperture 16 in the inner sleeve 11 and will enter the one-way valve 2 together.

After the flushing liquid enters the one-way valve 2, the sealing plate 23 in the one-way valve 2 extrudes the return spring 24 under the positive pressure action of the flushing liquid and moves towards the right side, at the moment, the flushing liquid enters the working cavity and flows into the flushing connector 3 through the flow channel 25, and finally enters the indwelling urinary catheter, when the flushing liquid flows in the reverse direction, the sealing plate 23 tightly abuts against the protrusion of the first valve shell 21, the overflowing channel 25 is blocked, the flushing liquid is difficult to flow in the reverse direction, the purpose of one-way flow is realized, air with germs is blocked outside by the sealing plate 23, and the germs are prevented from freely flowing along the flushing connector to cause the iatrogenic infection of the bladder.

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.

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 joint for washing indwelling urinary catheter bladder is characterized by comprising a nipple joint, a one-way valve and a washing joint, wherein the nipple joint is fixed at the inlet end of the one-way valve, and the washing joint is fixed at the outlet end of the one-way valve;

the nipple connecting head consists of at least more than two layers of coaxial sleeves, the outer sleeve can slide along the inner sleeve, a first limiting retaining ring and a second limiting retaining ring which limit the outer sleeve to slide are fixed on the inner sleeve, a clamping groove is formed in the sliding end of the outer sleeve, a rubber gasket is fixed in the clamping groove, an overflowing hole is formed in the end part of the inner sleeve, and the innermost inner sleeve is fixedly connected with the inlet end of the one-way valve;

the check valve comprises a first valve shell, a second valve shell, a sealing plate and a return spring, wherein an overflowing channel is formed in the sealing plate, the first valve shell is fixedly connected with the second valve shell, the sealing plate and the return spring are accommodated in a working cavity between the first valve shell and the second valve shell, the sealing plate is abutted against a protrusion of the first valve shell under the action of the return spring, the overflowing channel in the sealing plate is sealed by the protrusion of the first valve shell, one end of the return spring is abutted against the sealing plate, and the other end of the return spring is abutted against the side wall of the second valve shell;

the flushing connector is of a step-shaped structure formed by multiple stages of connecting pipes, and annular bulges with conical sections are fixed on the outer walls of the connecting pipes at each stage.

2. An indwelling urinary catheter bladder irrigation fitting according to claim 1, wherein the nipple connector comprises an outer sleeve and an inner sleeve which are coaxial, the outer sleeve can slide along the inner sleeve, a first limit retaining ring and a second limit retaining ring which limit the sliding of the outer sleeve are fixed on the inner sleeve, a clamping groove is arranged at the sliding end of the outer sleeve, a rubber gasket is fixed in the clamping groove, an overflowing hole is arranged on the left inner sleeve of the first limit retaining ring, and the inner sleeve is fixedly connected with the inlet end of the one-way valve.

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