CN219110585U

CN219110585U - Double-cavity catheter

Info

Publication number: CN219110585U
Application number: CN202222978677.5U
Authority: CN
Inventors: 马昌存
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-06-02
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a double-cavity catheter, which comprises a catheter body, wherein a liquid discharge head is formed at the front end of the catheter body, a liquid discharge pipe is connected to the tail end of the catheter body, and a branch pipe assembly is further included; the branch pipe component comprises a connecting branch pipe, the connecting branch pipe is communicated with a liquid discharge pipe, the end head of the connecting branch pipe is provided with a heparin cap matched with the needle of the transfusion device for connection use, the end head of the connecting branch pipe is also provided with a needle handle fixing piece, the inner side of the liquid discharge pipe is provided with a needle limiting sleeve, the utility model realizes the connection of the liquid injection with the needle of the transfusion device through the heparin cap, the liquid is injected without puncturing the rubber pipeline, leakage is avoided due to damage of the pipeline, the needle head limiting sleeve is arranged in the inner cavity of the connecting branch pipe, the needle head limiting sleeve is used for limiting sleeve of the needle head of the infusion apparatus inserted on the heparin cap, and liquid medicine is leaked outside due to accidental puncturing of the connecting branch pipe by the needle head during use is prevented, so that the infusion apparatus is more convenient to use.

Description

Double-cavity catheter

Technical Field

The utility model relates to the technical field of catheters, in particular to a double-cavity catheter.

Background

As is well known, a catheter is a tube made of natural rubber, silicone rubber or polyvinyl chloride (PVC) and inserted into the urinary bladder through the urethra to drain urine, and after the catheter is inserted into the urinary bladder, an air bag is arranged near the head end of the catheter to fix the catheter in the urinary bladder, so that the catheter is not easy to fall out, and the drainage tube is connected with a urine bag to collect urine.

The double-cavity catheter is one kind of catheter, and the medicine injection channel and the drain channel of double-cavity catheter belong to same chamber, can't directly link transfusion system when carrying out the bladder washing, need with the transfusion system syringe needle puncture rubber pipeline in with the drain cavity annotate the medicine, the transfusion system syringe needle punctures rubber pipeline easily and causes the liquid medicine to leak outward, and transfusion system fixed mode is the same with traditional infusion fixed mode, is the adhesion through medical sticky tape and is fixed, easily takes place to drop, uses inadequately.

Disclosure of Invention

The utility model aims to provide a double-cavity catheter, which solves the defects in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a dual-lumen urinary catheter, comprising: the catheter comprises a catheter body, wherein a liquid discharge head is formed at the front end of the catheter body, the tail end of the catheter body is connected with a liquid discharge pipe, and the catheter further comprises a branch pipe assembly; the branch pipe assembly comprises a connecting branch pipe, the connecting branch pipe is communicated with a liquid discharge pipe, the end head of the connecting branch pipe is provided with a heparin cap matched with the infusion set needle for connection, the end head of the connecting branch pipe is further provided with a needle handle fixing piece, and the inner side of the liquid discharge pipe is provided with a needle head limiting sleeve.

As a further description of the above technical solution: the catheter is characterized in that an air bag is arranged at one end, close to the liquid discharge head, of the catheter body, an air supply pipe is connected to the tail end of the catheter body, an air guide cavity is formed in the catheter body, and two ends of the air guide cavity are respectively communicated with the air bag and the air supply pipe.

As a further description of the above technical solution:

the connecting branch pipe is integrally formed on the liquid discharge pipe, and a liquid inlet one-way valve is arranged in the position where the connecting branch pipe is connected with the liquid discharge pipe.

As a further description of the above technical solution:

the needle handle fixing piece comprises an end annular seat fixed on the connecting branch pipe, and an L-shaped needle handle clamp is fixed on the annular seat.

As a further description of the above technical solution:

the tail end of the L-shaped needle handle clamp is connected with a backstop limiting frame.

As a further description of the above technical solution:

the needle head limiting sleeve comprises a hard pipe, the hard pipe is embedded and fixed on the inner side of the connecting branch pipe, and the inner side of the hard pipe is connected with a limiting needle sleeve.

The utility model provides a double-cavity catheter. The beneficial effects are as follows:

this two-chamber catheter is through shaping connecting branch pipe on the fluid-discharge tube, connecting branch pipe end sets up the heparin cap, realize being connected the notes liquid through heparin cap and transfusion system syringe needle, need not to impale the rubber pipeline and annotate the liquid, avoid the pipeline damage to appear leaking, set up the needle handle mounting simultaneously at connecting branch pipe end and fix spacing with the transfusion system syringe needle that realizes pegging graft on the heparin cap, need not to use medical sticky tape adhesion to fix, improve fixed stability, prevent to drop, and set up the syringe needle stop collar at connecting branch pipe inner chamber, the syringe needle stop collar realizes carrying out the stop collar to the transfusion system syringe needle end of pegging graft on the heparin cap and establishes, the syringe needle accident stings connecting branch pipe and causes the liquid medicine to leak outward when preventing to use, it is more convenient when using.

Drawings

FIG. 1 is a schematic view of the overall structure of a dual-lumen urinary catheter according to the present utility model;

FIG. 2 is a front view of a dual-lumen urinary catheter in accordance with the present utility model;

FIG. 3 is a schematic view of a manifold assembly according to the present utility model;

FIG. 4 is a schematic view of the structure of the needle handle holder of the present utility model;

fig. 5 is a schematic view of the structure of the needle stop collar of the present utility model.

Legend description:

1. a catheter body; 2. a liquid discharge pipe; 3. a liquid discharge head; 4. an air supply pipe; 41. an air guide cavity; 5. an air bag; 6. a manifold assembly; 61. a connecting branch pipe; 62. a heparin cap; 63. a needle handle fixing member; 631. an annular seat; 632. an L-shaped needle handle clamp; 633. a stop limit frame; 634. a needle of an infusion apparatus; 64. a liquid inlet one-way valve; 65. needle head limit sleeve; 651. a hard tube; 652. limiting needle sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a dual lumen urinary catheter, comprising: the catheter comprises a catheter body 1, wherein a liquid discharge head 3 is formed at the front end of the catheter body 1, a liquid discharge pipe 2 is connected to the tail end of the catheter body 1, namely the liquid discharge head 3 and the liquid discharge pipe 2 are communicated with each other through the catheter body 1, and the catheter further comprises a branch pipe assembly 6; the branch pipe assembly 6 includes connecting branch pipe 61, connecting branch pipe 61 and fluid-discharge tube 2 intercommunication, and the end of connecting branch pipe 61 is provided with the heparin cap 62 that the cooperation was connected with transfusion system syringe needle 634 and is used, the end of connecting branch pipe 61 still sets up needle handle mounting 63, wherein, needle handle mounting 63 is used for carrying out elastic clamping to the transfusion system syringe needle 634 of grafting on heparin cap 62 and fixes, the inboard of fluid-discharge tube 2 is provided with syringe needle stop collar 65, when transfusion system syringe needle 634 is pegged graft on heparin cap 62, its end runs through the inner chamber that extends to connecting branch pipe 61, syringe needle stop collar 65 cover is established on the end of transfusion system syringe needle 634 this moment, in order to realize establishing the protection to transfusion system syringe needle 634, through shaping connecting branch pipe 61 on fluid-discharge tube 2, connecting branch pipe 61 end sets up heparin cap 62, realize being connected the notes liquid through heparin cap 62 and transfusion system syringe needle 634, need not to impale the rubber pipeline and annotate, avoid the pipeline damage to appear leaking, simultaneously set up needle handle mounting 63 and in order to realize carrying out fixed spacing to the syringe needle cap 634 of grafting on heparin cap 62, need not use medical adhesive tape to adhere fixedly, improve and drop-off stability, prevent that needle tip 65 from setting up when the needle stop collar needle tip 65 is used to be used to the syringe needle tip 61, prevent that the needle tip 65 from setting up the unexpected, when setting up and preventing that the needle tip is more convenient for setting up and is used to be used to the syringe needle.

The one end that catheter body 1 is close to flowing back head 3 is provided with gasbag 5, and the tail end of catheter body 1 is connected with air supply pipe 4, and catheter body 1 shaping has air guide cavity 41, and air guide cavity 41's both ends communicate with gasbag 5 and air supply pipe 4 respectively. Specifically, when this double-cavity catheter is settled, insert urinary catheter body 1 by the urethra bladder, the flowing back head 3 is located the bladder inboard on the urinary catheter body 1 this moment, and the staff is supplied air through air supply pipe 4 cooperation air guide chamber 41 looks gasbag 5 this moment, and the fixed urinary catheter body 1 of gasbag 5 inflation for stay flowing back head 3 is difficult for deviating from in the bladder, then cooperate urinary catheter body 1 to carry out the catheterization through flowing back head 3, and the flowing back pipe 2 of urinary catheter body 1 tail end connects the urine bag and collect the urine.

The connecting branch pipe 61 is integrally formed on the liquid discharge pipe 2, and a liquid inlet check valve 64 is arranged inside the connecting position of the connecting branch pipe 61 and the liquid discharge pipe 2. Through setting up feed liquor check valve 64 in connecting branch pipe 61 and fluid-discharge tube 2 hookup location, feed liquor check valve 64 makes the liquid medicine that infuses connecting branch pipe 61 through the transfusion system syringe needle can one-way enter into fluid-discharge tube 2 in, finally carries to the bladder through fluid-discharge tube 2 cooperation catheter body 1 and fluid-discharge head 3 to realize the bladder and wash, and carry out the catheterization, the urine can't enter into connecting branch pipe 61 through feed liquor check valve 64 in, avoids appearing secondary pollution.

The shank fastener 63 includes a tip annular seat 631 fixed to the connecting branch 61, and an L-shaped shank clip 632 is fixed to the annular seat 631, and a stop limit 633 is connected to the tail end of the L-shaped shank clip 632. The fixing member 63 for fixing the infusion apparatus needle 634 is specifically configured to clamp and fix the needle handle of the infusion apparatus needle 634 by using an L-shaped needle handle clamp 632 (as shown in fig. 4), and at this time, the stop limiting frame 633 connected to the L-shaped needle handle clamp 632 abuts against an annular step position between the infusion apparatus needle 634 and a pipeline, so as to stop the infusion apparatus needle 634, and limit and fix the infusion apparatus needle 634.

The needle stop collar 65 includes a hard tube 651, the hard tube 651 is fixedly fitted inside the connecting branch pipe 61, and a stop collar 652 is connected to the inside of the hard tube 651. (as shown in fig. 5), when the infusion apparatus needle 634 is plugged on the heparin cap 62, the end of the infusion apparatus needle 634 extends into the inner cavity of the connecting branch pipe 61 in a penetrating way, at this time, the limiting needle sleeve 652 is sleeved on the end of the infusion apparatus whole 634, and the hard pipe 651 realizes supporting and limiting on the pipeline of the connecting branch pipe 61, so that the situation that the needle accidentally pierces the connecting branch pipe 61 to cause liquid medicine leakage during use is avoided.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A dual-lumen urinary catheter, comprising: catheter body (1), the front end shaping of catheter body (1) has flowing back head (3), the tail end connection of catheter body (1) has fluid-discharge tube (2), its characterized in that: also comprises a branch pipe assembly (6);

the branch pipe assembly (6) comprises a connecting branch pipe (61), the connecting branch pipe (61) is communicated with the liquid discharge pipe (2), the end head of the connecting branch pipe (61) is provided with a heparin cap (62) which is matched with the infusion apparatus needle for connection, the end head of the connecting branch pipe (61) is further provided with a needle handle fixing piece (63), and the inner side of the liquid discharge pipe (2) is provided with a needle head limiting sleeve (65).

2. The double-cavity urinary catheter according to claim 1, wherein an air bag (5) is arranged at one end of the urinary catheter body (1) close to the liquid discharge head (3), an air supply pipe (4) is connected to the tail end of the urinary catheter body (1), an air guide cavity (41) is formed in the urinary catheter body (1), and two ends of the air guide cavity (41) are respectively communicated with the air bag (5) and the air supply pipe (4).

3. The double-cavity urinary catheter according to claim 1, wherein the connecting branch pipe (61) is integrally formed on the liquid discharge pipe (2), and a liquid inlet check valve (64) is arranged in the connecting position of the connecting branch pipe (61) and the liquid discharge pipe (2).

4. A catheter according to claim 1, wherein the handle holder (63) comprises a tip annular seat (631) fixed to the connecting branch (61), and wherein an L-shaped handle clip (632) is fixed to the annular seat (631).

5. The dual-lumen urinary catheter as recited in claim 4, wherein a backstop stop (633) is attached to a trailing end of the L-shaped needle holder (632).

6. The double-cavity urinary catheter according to claim 1, wherein the needle stop collar (65) comprises a hard tube (651), the hard tube (651) is embedded and fixed on the inner side of the connecting branch tube (61), and a stop needle sleeve (652) is connected on the inner side of the hard tube (651).