CN220158991U - Indwelling catheter - Google Patents

Abstract

The utility model provides an indwelling catheter, which belongs to the technical field of medical auxiliary instruments, wherein the indwelling catheter comprises a catheter body for draining urine of a patient into a urine bag; the three-way connecting pipe comprises a first connecting head used for connecting the liquid outlet end of the catheter body and a second connecting head used for connecting the liquid inlet end of the urine bag, a sampling port is formed in the side wall of the three-way connecting pipe, which is positioned between the first connecting head and the second connecting head, and the sampling port is communicated with the first connecting head and the second connecting head; and the control part is used for switching the communication or blocking state between the sampling port and the outside. Compared with the technical scheme that the connection of the catheter and the urine bag is required to be repeatedly disassembled during sampling in the related art, the indwelling catheter provided by the utility model can avoid damaging the integral tightness of the drainage pipeline, thereby reducing the risk of urinary tract infection.

Description

Indwelling catheter

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to an indwelling catheter.

Background

Urine test is one of the commonly used biochemical detection items in clinic, and urine routine detection has important value for diagnosing and identifying various clinical diseases. Urine specimens of a typical patient can be left by themselves under the guidance of medical staff.

However, clinically, the retention of urine specimens by catheterized patients is often complex and requires a caregiver to perform the procedure. The interface of the catheter and the drainage bag is required to be disassembled when the urine sample is reserved each time, the urine sample is reserved after disinfection, and the catheter is required to be connected with the drainage bag again after the specimen is reserved. Such conventional procedures both increase the workload of the nurse and tend to increase the risk of patient urinary tract infections by repeatedly disassembling the catheter connection.

Disclosure of Invention

The embodiment of the utility model solves the technical problem that the risk of urinary tract infection is easily increased because the urinary catheter and the urine bag are required to be repeatedly detached during sampling in the prior art by providing the indwelling catheter.

In order to solve the above technical problems, an embodiment of the present utility model provides an indwelling catheter, including:

the catheter body is used for draining urine of a patient into the urine bag;

the three-way connecting pipe comprises a first connector for connecting the liquid outlet end of the catheter body and a second connector for connecting the liquid inlet end of the urine bag, and a sampling port communicated with the outside is formed in the side wall of the three-way connecting pipe between the first connector and the second connector;

and the control part is used for switching the communication or blocking state of the sampling port and the catheter body.

Further, the control piece is a three-way ball valve.

Further, the tee joint connecting pipe is outwards protruded to form a sampling channel corresponding to the sampling port, and a detachable sealing cover is arranged on a liquid outlet port of the sampling channel.

Further, the sealing cover is connected with the sampling channel through threaded fit.

Further, the sealing cover is made of a high-temperature resistant rubber material.

Further, the sampling channel is provided with a first elastic membrane layer and a second elastic membrane layer from inside to outside in sequence along the protruding direction of the sampling channel, the first elastic membrane layer is provided with a liquid outlet opening, and the second elastic membrane layer seals up the port of the sampling channel.

Further, the first connector and/or the second connector are conical, and anti-skid patterns are arranged on the outer side wall of the first connector and/or the outer side wall of the second connector.

Further, the outer diameter of the second connector is smaller than the outer diameter of the main body of the three-way connecting pipe, and a plurality of anti-falling grooves are formed in the second connector along the length direction of the second connector;

the urine bag comprises a urine bag connecting pipe, a plurality of protrusions corresponding to the anti-falling grooves are arranged on the inner wall of the urine bag connecting pipe, the urine bag connecting pipe is sleeved on the second connecting head, and the urine bag connecting pipe is in sealing connection through the anti-falling grooves and the protrusions in a matched extrusion mode.

Further, the first connector is made of polyvinyl chloride or a silicone material, and the second connector is made of polyvinyl chloride or a silicone material.

Further, an anti-slip handle is provided on the exposed end of the control member.

One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:

(1) According to the indwelling catheter provided by the utility model, the tee joint connecting pipe is additionally arranged between the catheter body and the urine bag, when the sampling port is controlled to be switched to the state of being communicated with the catheter body by the control piece, medical staff can directly sample urine of a patient through the sampling port, and when the sampling port is controlled to be switched to the state of being blocked with the catheter body by the control piece, the indwelling catheter keeps normal indwelling catheterization effect, the medical staff is not required to split the catheter and the urine bag to sample, the work flow of reserving urine samples is simplified, the workload of the medical staff is favorably reduced, and the risk of urinary tract infection caused by frequent splitting of the catheter is reduced.

(2) The indwelling catheter provided by the utility model adopts the three-way ball valve to control the on-off state of the sampling port and the catheter body, has mature technology, low cost and is easy to assemble and realize.

(3) According to the indwelling catheter provided by the utility model, the detachable sealing cover is arranged on the liquid outlet port of the sampling channel, and the sealing cover is arranged to cover the sampling port, so that the sampling port is prevented from being infected with external pollutants to increase the infection risk; meanwhile, the sealing cover can also avoid urine from accidentally overflowing from the sampling port.

(4) According to the indwelling catheter provided by the utility model, the first elastic membrane layer and the second elastic membrane layer are sequentially arranged in the sampling channel from inside to outside along the protruding direction of the sampling channel, the first elastic membrane layer is provided with the liquid outlet opening, the second elastic membrane layer is used for blocking the port of the sampling channel, a preliminary storage space for urine can be formed between the first elastic membrane layer and the second elastic membrane layer, a medical staff can puncture the first elastic membrane layer by using the sampling needle to sample, and excessive urine retention at a sampling port is prevented from rushing out of the sampling channel.

(5) According to the indwelling catheter provided by the utility model, the first connector and/or the second connector are conical, so that the connector and the drainage tube or the urine bag can be conveniently connected in a sleeved mode, and meanwhile, the anti-skid patterns can also increase the connection sealing effect, so that the first connector and/or the second connector are prevented from being separated accidentally.

(6) According to the indwelling catheter provided by the utility model, the urine bag connecting pipe and the second connector are in sealing connection by utilizing the matching extrusion of the anti-falling groove and the bulge, so that the sealing connection effect of the urine bag connecting pipe and the second connector is effectively enhanced.

(7) According to the indwelling catheter provided by the utility model, the anti-slip handle is arranged at the exposed end of the control piece, so that medical staff can conveniently control the control piece to switch.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the structure of an indwelling catheter according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a three-way connection pipe according to an embodiment of the present utility model;

FIG. 3 is a front cross-sectional view of a three-way connection tube in an embodiment of the present utility model;

fig. 4 is a side sectional view of a three-way connection tube in an embodiment of the present utility model.

Reference numerals illustrate:

1. a catheter body; 2. a three-way connecting pipe; 3. three-way ball valve; 4. a urine bag; 5. a urine bag connecting pipe; 6. a first connector; 7. a second connector; 8. a sampling port; 9. a sampling channel; 10. sealing cover; 11. a first elastic film layer; 12. a second elastic film layer; 13. an anti-slip handle; 14. a flow guide channel.

Detailed Description

The embodiment of the utility model solves the technical problems that in the prior art, the interface of the catheter and the drainage bag needs to be disassembled for taking after disinfection every time a urine sample is taken, the workload of nurses is increased, and the risk of urinary tract infection of patients is easily increased by providing the indwelling catheter.

The technical scheme in the embodiment of the utility model aims to solve the technical problems, and the overall thought is as follows:

through adding between catheter body and urine bag establishes the tee bend connecting pipe, when switching to the intercommunication state with the catheter body through control sampling port, medical personnel can be through the direct patient urine sample of sampling port, when control sampling port switches to with catheter body shutoff state, keep somewhere the catheter and keep normal the catheterization effect of keeping somewhere, need not medical personnel split catheter and urine bag and take a sample, simplified the work flow of reserving the urine sample, the work load of medical personnel has advantageously been reduced, reduced the risk that leads to the urinary tract to infect because of frequent split catheter.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

As shown in fig. 1, in one or more embodiments of the present utility model there is provided an indwelling catheter comprising:

a catheter body 1 for draining patient urine into a urine bag 4;

the three-way connecting pipe 2 comprises a first connector 6 for connecting the liquid outlet end of the catheter body 1 and a second connector 7 for connecting the liquid inlet end of the urine bag 4, and a sampling port 8 communicated with the outside is formed in the side wall of the three-way connecting pipe 2 between the first connector 6 and the second connector 7;

and the control part is used for switching the communication or blocking state of the sampling port 8 and the catheter body 1.

According to the indwelling catheter provided by the utility model, the three-way connecting pipe 2 is additionally arranged between the catheter body 1 and the urine bag 4, when the sampling port 8 is controlled by the control part to be switched to be communicated with the outside, medical staff can directly sample urine of a patient through the sampling port 8, when the sampling port 8 is controlled by the control part to be switched to be blocked with the outside, the indwelling catheter keeps normal indwelling catheterization effect, the medical staff is not required to split the catheter and sample the urine bag 4, the work flow of taking urine samples is simplified, the workload of the medical staff is reduced, and the risk of urinary tract infection caused by frequently splitting the catheter is reduced.

As shown in fig. 2 to 4, in some embodiments, the control member may be a three-way ball valve 3, the valve core of the three-way ball valve 3 is located at the central crossing position of the sampling port 8 in the three-way connecting pipe 2, the middle part of the valve core is provided with a flow guiding channel 14 penetrating through the valve core, the valve core located in the three-way connecting pipe 2 is correspondingly rotated by rotating the exposed handle of the three-way ball valve 3, when the valve core rotates to the flow guiding channel 14 to be communicated with the catheter body 1 and the sampling port 8 together, urine drained from the catheter body 1 can flow out through the sampling port 8, so that the medical staff can conveniently perform subsequent urine sampling work; when the valve core rotates to disconnect the flow guide channel 14 from the catheter body 1 and the sampling port 8, urine of the catheter body 1 can only be drained into the urine bag 4 and cannot flow out from the sampling port 8, so that the indwelling catheterization working state is normally kept.

The three-way ball valve 3 is adopted to control the on-off state of the sampling port 8 and the catheter body 1, the three-way ball valve 3 is mature in technology, low in cost and easy to assemble and realize. In addition, the exposed end mountain of the three-way ball valve 3 is also provided with an anti-slip handle 13, so that the medical staff can control the control piece to switch the work

In the above description, it should be noted that, the catheter body 1 and the urine bag 4 are always in the smooth diversion state, and the control member only controls the communication between the catheter body 1 and the sampling port 8 or the switching of the blocking state, and this arrangement can also maintain the normal indwelling catheterization state of the patient during the urine sampling process, so as to avoid affecting the comfort of the patient.

In some embodiments, the three-way connecting pipe 2 is formed with a sampling channel 9 corresponding to the sampling port 8 and protruding outwards, and a detachable sealing cover 10 is arranged on the liquid outlet of the sampling channel 9. Specifically, the sealing cover 10 is connected with the sampling channel 9 through screw thread fit. Namely, the outer peripheral wall of the sampling channel 9 is provided with external threads, the sealing cover 10 is provided with internal threads, and the external threads and the sealing cover are connected through screw thread matching, and the sealing cover 10 can shield the sampling port 8, so that the contamination of the sampling port 8 by external pollutants is avoided, and the infection risk is increased; simultaneously, the sealing cover 10 can also avoid urine to overflow accidentally from the sampling port 8.

In the above description, the sealing cap 10 may be made of a high temperature and corrosion resistant material, such as a rubber material, which can sterilize the sealing cap 10 at a high temperature or alcohol, thereby further reducing the risk of urinary tract infection. The inner diameter of the sampling channel 9 is adapted to the outer diameter of the sampling syringe, which can be inserted into the sampling channel 9 for sampling.

As shown in fig. 3, in some embodiments, the sampling channel 9 is provided with a first elastic membrane layer 11 and a second elastic membrane layer 12 sequentially from inside to outside along the protruding direction, the first elastic membrane layer 11 is provided with a liquid outlet opening, and the second elastic membrane layer 12 seals the port of the sampling channel 9. Here, the first elastic film layer 11 and the second elastic film layer 12 are made of elastic film materials, such as polyethylene films or polyurethane films, which can facilitate the strong puncture of the syringe for sampling on the premise of ensuring the normal blocking state of urine.

Here, the liquid outlet opening on the first elastic membrane layer 11 should be smaller than the caliber of the sampling port 8, a preliminary storage space for urine can be formed between the first elastic membrane layer 11 and the second elastic membrane layer 12, and medical staff can puncture the first elastic membrane layer 11 by using the sampling needle to sample, so that the excessive urine retention of the sampling port 8 is avoided and the sampling channel 9 is directly flushed.

In some embodiments, as shown in the figures, the first connector 6 and the second connector 7 are conical, and the outer side walls of the first connector 6 and the second connector 7 are provided with anti-skid patterns. This setting can be convenient for connector and drainage tube or urine bag 4 cup joint the connection, and the antiskid line of setting simultaneously also can increase the connection sealed effect, avoids first connector 6 and/or the unexpected break away from of second connector 7.

In the above embodiment, only the first connector 6 may be provided in a conical shape, or only the outer side wall of the second connector 7 may be provided with anti-slip patterns, which is only exemplified in this embodiment.

In some embodiments, the outer diameter of the second connector 7 is smaller than the outer diameter of the main body of the three-way connecting pipe 2, and a plurality of anti-falling grooves are arranged on the second connector 7 along the length direction of the second connector 7; the urine bag 4 comprises a urine bag connecting pipe 5, a plurality of protrusions corresponding to the anti-falling grooves are arranged on the inner wall of the urine bag connecting pipe 5, the urine bag connecting pipe 5 is sleeved on the second connector 7, and the urine bag connecting pipe is in extrusion sealing connection through the anti-falling grooves and the protrusions. Utilize anticreep recess and protruding cooperation extrusion sealing connection urine bag connecting pipe 5 and second connector 7, effectively strengthened the sealing connection effect of urine bag connecting pipe 5 and second connector 7.

In some embodiments, the first connector 6 is made of polyvinyl chloride or silica gel material, the second connector 7 is made of polyvinyl chloride or silica gel material, the caliber standard of the first connector 6 should be matched with the caliber setting of the liquid outlet end of the catheter body 1, and the caliber standard of the second connector 7 should be matched with the liquid inlet end diameter setting of the urine bag connecting pipe 5.

The indwelling catheter can be used as a disposable indwelling catheter device, namely, the indwelling catheter is special for special people, is packaged in a sterile mode, and reduces the risk of cross infection.

An exemplary procedure for using the indwelling catheter of the present utility model is as follows:

step 1: the medical staff rotates to take off the sealing cover 10;

step 2: after the sampling channel 9 is disinfected by alcohol or other disinfection modes, a disposable 10ml syringe is connected with the sampling channel 9;

step 3: the three-way ball valve 3 is regulated to enable the sampling port 8 to be in a communicating state with the catheter body 1;

step 4: after a proper amount of urine is extracted, the three-way ball valve 3 is regulated again, so that the sampling port 8 and the catheter body 1 are in a blocking state, and at the moment, the catheter body 1 and the urine bag 4 are always kept in a normal communication state;

step 5: the cartridge is removed and a clean seal cap 10 is selected to be re-threaded onto the sampling passage 9.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments.

The terms of orientation such as external, intermediate, internal, etc. mentioned or possible to be mentioned in this specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed accordingly depending on the different positions and different states of use in which they are located. These and other directional terms should not be construed as limiting terms.

While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various modifications and additions may be made without departing from the scope of the utility model. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (10)

1. An indwelling urinary catheter, comprising:

a catheter body (1) for draining patient urine into a urine bag (4);

the three-way connecting pipe (2) comprises a first connecting head (6) used for connecting the liquid outlet end of the catheter body (1) and a second connecting head (7) used for connecting the liquid inlet end of the urine bag (4), and a sampling port (8) communicated with the outside is formed in the side wall of the three-way connecting pipe (2) between the first connecting head (6) and the second connecting head (7);

and the control part is used for switching the communication or blocking state of the sampling port (8) and the catheter body (1).

2. The indwelling urinary catheter according to claim 1, in which the control member is a three-way ball valve (3).

3. The indwelling catheter according to claim 1, wherein the three-way connecting tube (2) is provided with a sampling channel (9) corresponding to the sampling port (8) in an outward protruding manner, and a detachable sealing cover (10) is arranged on a liquid outlet port of the sampling channel (9).

4. An indwelling urinary catheter according to claim 3, in which the sealing cap (10) is connected to the sampling channel (9) by a screw-fit.

5. Indwelling urinary catheter according to claim 4, in which the sealing cap (10) is made of a high temperature resistant rubber material.

6. A catheter according to claim 3, characterized in that the sampling channel (9) is provided with a first elastic membrane layer (11) and a second elastic membrane layer (12) in sequence from inside to outside along the protruding direction thereof, the first elastic membrane layer (11) is provided with a liquid outlet opening, and the second elastic membrane layer (12) seals off the port of the sampling channel (9).

7. Indwelling catheter according to claim 1, in which the first connector (6) and/or the second connector (7) are conical, and the outer side wall of the first connector (6) and/or the second connector (7) is provided with anti-slip threads.

8. The indwelling catheter according to claim 1, wherein the outer diameter of the second connector (7) is smaller than the outer diameter of the main body of the three-way connecting tube (2), and a plurality of anti-falling grooves are arranged on the second connector (7) along the length direction of the second connector;

the urine bag (4) comprises a urine bag connecting pipe (5), a plurality of protrusions corresponding to the anti-falling grooves are arranged on the inner wall of the urine bag connecting pipe (5), the urine bag connecting pipe (5) is sleeved on the second connector (7), and the urine bag is in sealing connection through the anti-falling grooves and the protrusions in a matched extrusion mode.

9. Indwelling urinary catheter according to claim 1, in which the first connector (6) is made of polyvinyl chloride or silicone material and the second connector (7) is made of polyvinyl chloride or silicone material.

10. Indwelling catheter according to claim 1, in which an anti-slip grip (13) is provided on the exposed end of the control member.