CN217854003U

CN217854003U - Three-cavity catheter with high plugging reliability

Info

Publication number: CN217854003U
Application number: CN202221504537.8U
Authority: CN
Inventors: 汪雨婷; 曹教育
Original assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Current assignee: Anhui Provincial Hospital First Affiliated Hospital of USTC
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-22
Anticipated expiration: 2032-06-16

Abstract

The utility model relates to a three-cavity catheter with high plugging reliability, which comprises a main catheter and a drainage end branch pipe arranged at the tail end of the main catheter, wherein the outer side of the drainage end branch pipe is communicated with an air bag end branch pipe and a flushing end branch pipe, and the flushing end branch pipe is internally provided with a flushing pipe in a sliding and inserting manner; the flushing end branch pipe comprises an outer pipe body, two semi-diaphragms, a fixing piece and an elastic connection cover, the two semi-diaphragms are symmetrically arranged at one end, close to the drainage end branch pipe, of the inner side wall of the outer pipe body, one end of the elastic connection cover is connected with the two semi-diaphragms, the other end of the elastic connection cover is connected with the outer side wall of the flushing pipe, and the flushing pipe is in sliding fit with the inner side wall of the outer pipe body. The utility model discloses simple structure can avoid the refluence of liquid in patient's bladder, and the shutoff is effectual, and after washing, the structure of washing end branch pipe need not to attach extra shutoff piece along with the drawing back and self-sealing of flushing pipe, and it is more convenient to use.

Description

Three-cavity catheter with high plugging reliability

Technical Field

The utility model belongs to the technical field of medical supplies, concretely relates to three chamber catheters that shutoff reliability is high.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC) and is used for being inserted into the bladder to drain urine, and after the catheter is inserted into the bladder, an air bag is arranged near the end of the catheter to fix the catheter to be left in the bladder, so that the catheter is not easy to drop;

three chamber catheters are a catheter that has three cavity, the structure includes the pipe shaft, the gasbag end, drainage end and washes the end, the pipe shaft, drainage end and wash the end and all communicate with each other with interior bladder and external, when patient's bladder pressure is great, the liquid in the bladder is easy to be followed pipe shaft lower extreme refluence and gets into the flush fluid that washes the pipe contamination clean, wash the end in addition and often need increase the closure piece after the bladder washes and stops and seal, have the defect in the use, for this reason, we have proposed a three chamber catheters that shutoff reliability is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a three chamber catheters that simple structure, reasonable in design's shutoff reliability is high for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a three-cavity catheter with high plugging reliability comprises a main catheter and a drainage end branch pipe arranged at the tail end of the main catheter, wherein the outer side of the drainage end branch pipe is communicated with an air bag end branch pipe and a flushing end branch pipe, and a flushing pipe is arranged in the flushing end branch pipe in a sliding and inserting mode;

the flushing end branch pipe comprises an outer pipe body, two semi-diaphragms, a fixing piece and an elastic connection cover, the two semi-diaphragms are symmetrically arranged at one end of the inner side wall of the outer pipe body close to the drainage end branch pipe, one end of the elastic connection cover is connected with the two semi-diaphragms, the other end of the elastic connection cover is connected with the outer side wall of the flushing pipe, the flushing pipe is in sliding fit with the inner side wall of the outer pipe body, and the flushing pipe is fixed with the pipe orifice of the outer pipe body through the fixing piece.

As a further optimization scheme of the utility model, the lower extreme position department cover that the catheterization was responsible for is equipped with the gasbag, the gasbag with gasbag end branch pipe is linked together.

As the utility model discloses a further optimization scheme, the upper end position department that outer body inside wall is located semi-diaphragm is equipped with the guide holder, the through-hole that supplies the flushing pipe to run through is left at the guide holder middle part.

As the utility model discloses a further optimization scheme, the flushing pipe includes pipe shaft, tube head and egress opening, the one end of pipe shaft is established to the circular cone head, and the other end is connected with the tube head, on the circular cone head was located to the egress opening, the outside of tube head is equipped with the dust cap.

As a further optimization scheme of the utility model, the mounting is including locating the sprue of outer tube siphunculus department and locating the fixed block on the pipe shaft, both ends all are equipped with the grafting piece about the fixed block, the slot corresponding with the grafting piece has all been seted up to the lower terminal surface of sprue and the up end of guide holder.

As the utility model discloses a further optimization scheme, the outside of drainage end branch pipe is equipped with the nipple, the one end of outer body is equipped with the threaded connection head with nipple looks threaded connection.

As the utility model discloses a further optimization scheme, two the side that half diaphragm is close to the lower extreme is mutual butt setting, one the lower terminal surface of half diaphragm is equipped with the abaculus, another the lower terminal surface of diaphragm is equipped with the caulking groove corresponding with the abaculus.

The beneficial effects of the utility model reside in that:

the utility model discloses during the use, promote the flushing pipe and slide in outer body behind two semi-diaphragms of lower extreme through running through of flushing pipe, the lower extreme and the drainage end branch pipe of flushing pipe can communicate, flush fluid inserts behind the flushing pipe flush fluid can flow in drainage end branch pipe to the catheterization person in charge, after washing, the elastic connection cover that pulls its connection when the flushing pipe pullback resets produces two semi-diaphragms of pulling force further pulling and realizes closely laminating, make outer body can the shutoff, need not to increase the closure and seal, it is more convenient to use, in addition, the liquid that also can avoid in the patient's bladder backflowing flows from outer body, the shutoff is effectual.

Drawings

Fig. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a schematic view of the internal structure of the flushing branch pipe provided by the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2 according to the present invention;

in the figure: 1. a catheter main tube; 2. a drainage end branch pipe; 3. an air bag end branch pipe; 4. flushing the end branch pipe; 41. an outer tube body; 42. a semi-diaphragm; 43. an elastic connection cover; 44. blocking; 45. a guide seat; 46. a slot; 47. a threaded connector; 48. an insert block; 49. caulking grooves; 5. a flushing pipe; 51. a tube body; 52. a pipe head; 53. an outflow port; 54. a fixed block; 55. an insertion block; 6. an air cell body; 7. a threaded connection pipe; 8. a dust cap.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.

Referring to the attached drawing 1 of the specification, the three-cavity urinary catheter with high plugging reliability comprises a main catheter tube 1 and a drainage end branch tube 2 arranged at the tail end of the main catheter tube 1, wherein the outer side of the drainage end branch tube 2 is communicated with an air bag end branch tube 3 and a flushing end branch tube 4, a flushing tube 5 is arranged in the flushing end branch tube 4 in a sliding and inserting mode, an air bag body 6 is sleeved at the lower end position of the main catheter tube 1, the air bag body 6 is communicated with the air bag end branch tube 3, the drainage end branch tube 2, the air bag end branch tube 3 and the flushing end branch tube 4 are all communicated with the main catheter tube 1, an opening is reserved at the bottom end of the main catheter tube 1, after the main catheter tube 1 is inserted into a bladder, an inflating needle cylinder is connected to inflate the air bag body 6 which is communicated with the air bag body 3 to enable the air bag body 6 to be fixed in the bladder and not easy to flow out of the main catheter, and when the catheter tube 1 is flushed, the flushing end branch tube 4 is connected with a flushing fluid, the flushing fluid flows through the flushing end branch tube 4 and the main catheter tube 1 and the urine guide tube 2, and the fluid in the bladder flows out of the opening of the main catheter.

Referring to the attached drawing 2 of the specification, the flushing end branch pipe 4 includes an outer pipe body 41, two half diaphragms 42, a fixing member and an elastic connection cover 43, the two half diaphragms 42 are symmetrically arranged at one end of the inner side wall of the outer pipe body 41 close to the drainage end branch pipe 2, the two half diaphragms 42 are oppositely arranged so that the outer pipe body 41 is divided into two parts, one end of the elastic connection cover 43 is connected with the two half diaphragms 42, the other end of the elastic connection cover is connected with the outer side wall of the flushing pipe 5, the flushing pipe 5 is in sliding fit with the inner side wall of the outer pipe body 41, and the flushing pipe 5 is fixed with the pipe orifice of the outer pipe body 41 through the fixing member.

The specific use process of the flushing end branch pipe 4 is that the two semi-diaphragms 42 in the outer pipe body 41 divide the structure of the outer pipe body 41 into two parts, the lower end of the outer pipe body 41 is communicated with the drainage end branch pipe 2, the flushing pipe 5 is pressed to slide along the inner side wall of the outer pipe body 41 until the lower end of the flushing pipe 5 contacts and penetrates through the two semi-diaphragms 42 in the outer pipe body 41, the lower end opening of the flushing pipe 5 extends into one end position where the outer pipe body 41 is communicated with the drainage end branch pipe 2, then the flushing liquid is connected, the flushing liquid is conveyed into the urine guide main pipe 1 through the flushing pipe 5, the two semi-diaphragms 42 are tightly attached to the outside of the flushing pipe 5 in the flushing process, one end of the elastic connecting cover 43 is connected with the two semi-diaphragms 42, the other end of the flushing pipe 5 is connected with the outer side wall of the flushing pipe 5 to form a closed space, the flushing liquid cannot overflow into the outer pipe body 41, and the leakage problem cannot occur;

after the flushing is stopped, the flushing pipe 5 is drawn away and reset to be fixed with the pipe orifice of the outer pipe body 41 through the fixing piece, meanwhile, the lower end of the flushing pipe 5 is separated from the insertion connection with the two half diaphragms 42, the flushing pipe 5 is pulled back while the elastic connecting cover 43 connected with the flushing pipe 5 is pulled to generate pulling force to further pull the two half diaphragms 42 to be tightly attached, the outer pipe body 41 can be plugged, the sealing piece is not required to be added for sealing, the use is more convenient, in addition, when the bladder pressure of a patient is large, liquid in the bladder flows backwards from the lower end of the urine guide main pipe 1 to enter the flushing end branch pipe 4, the outer pipe body 41 is sealed due to the two half diaphragms 42, the flowing-back liquid cannot flow out of the outer pipe body 41, and the plugging effect is good.

Further, the mounting is including locating the sprue 44 of outer body 41 mouth of pipe department and locating the fixed block 54 on the pipe shaft 51, both ends all are equipped with grafting piece 55 about the fixed block 54, the slot 46 corresponding with grafting piece 55 is all seted up to the lower terminal surface of sprue 44 and the up end of guide holder 45. The flushing pipe 5 is pushed to move downwards to the inserting block 55 at the lower end of the fixing block 54 to be embedded with the inserting groove 46 on the guide seat 45, at the moment, the lower end of the flushing pipe 5 penetrates through the two semi-diaphragms 42, and the flushing pipe 5 is pulled to reset to the state that the inserting block 55 at the upper end of the fixing block 54 is embedded with the inserting groove 46 on the blocking block 44, so that the position of the flushing pipe 5 is fixed.

Furthermore, the inner side wall of the outer tube body 41 is provided with a guide seat 45 at the upper end of the semi-diaphragm 42, the flushing tube 5 penetrates through the through hole in the middle of the guide seat 45 and extends into the through hole, and the guide seat 45 is used for structural support of the flushing tube 5 sliding inside the outer tube body 41.

Referring to the attached drawing 2 of the specification, the flushing pipe 5 includes a pipe body 51, a pipe head 52 and an outflow port 53, one end of the pipe body 51 is set to be a conical head, the other end is connected with the pipe head 52, the outflow port 53 is arranged on the conical head, the outer part of the pipe head 52 is provided with a dust cap 8, flushing liquid is inserted from the position of the pipe head 52, flows out from the outflow port 53 at the bottom end of the pipe body 51 along the position of the pipe body, then enters the drainage end branch pipe 2 along the lower end of the outer pipe body 41, and enters the catheter main pipe 1 from the drainage end branch pipe 2, and the dust cap 8 is arranged for sealing the pipe head 52 and also plays a role of dust protection for the whole flushing pipe 5.

Referring to the attached drawing 2 of the specification, the outer side of the drainage end branch pipe 2 is provided with a threaded connection pipe 7, one end of the outer pipe body 41 is provided with a threaded connection head 47 in threaded connection with the threaded connection pipe 7, and the flushing end branch pipe 4 and the drainage end branch pipe 2 can be flexibly assembled, disassembled and matched for use in a threaded connection mode.

Referring to the attached drawing 3 in the specification, the side surfaces of the two half diaphragms 42 near the lower ends are abutted to each other to ensure that no gap exists between the two half diaphragms 42, further, the lower end surface of one half diaphragm 42 is provided with an insert block 48, the lower end surface of the other half diaphragm 42 is provided with an insert groove 49 corresponding to the insert block 48, and the lower end surfaces of the two half diaphragms 42 are matched with the insert groove 49 through the insert block 48 to ensure the structural tightness of the two half diaphragms.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims

1. A three-cavity catheter with high plugging reliability comprises a main catheter (1) and a drainage end branch pipe (2) arranged at the tail end of the main catheter (1), wherein the outer side of the drainage end branch pipe (2) is communicated with an air bag end branch pipe (3) and a flushing end branch pipe (4), and is characterized in that a flushing pipe (5) is inserted in the flushing end branch pipe (4) in a sliding manner;

wash end branch pipe (4) including outer body (41), half diaphragm (42), mounting and elastic connection cover (43), half diaphragm (42) are two and the symmetry locate the one end that outer body (41) inside wall is close to drainage end branch pipe (2), the one end and two half diaphragms (42) of elastic connection cover (43) are connected, and the other end is connected with the lateral wall of flushing pipe (5), flushing pipe (5) are sliding fit with the inside wall of outer body (41), and are fixed through the mounting between the mouth of pipe of flushing pipe (5) and outer body (41).

2. The three-cavity urinary catheter with high plugging reliability according to claim 1, characterized in that: the lower extreme position department cover of catheterization person in charge (1) is equipped with gasbag body (6), gasbag body (6) with gasbag end branch pipe (3) are linked together.

3. The three-cavity urinary catheter with high plugging reliability according to claim 1, characterized in that: the inner side wall of the outer pipe body (41) is provided with a guide seat (45) at the upper end of the semi-diaphragm (42), and a through hole for the penetration of the flushing pipe (5) is reserved in the middle of the guide seat (45).

4. The three-cavity catheter with high plugging reliability according to claim 1, wherein: flushing pipe (5) are including pipe shaft (51), tube head (52) and egress opening (53), the one end of pipe shaft (51) is established to the circular cone head, and the other end is connected with tube head (52), egress opening (53) are located on the circular cone head, the outside of tube head (52) is equipped with dust cap (8).

5. The three-cavity catheter with high plugging reliability according to claim 4, wherein: the mounting is including locating sprue (44) of outer body (41) mouth of pipe department and locating fixed block (54) on pipe shaft (51), both ends all are equipped with grafting piece (55) about fixed block (54), slot (46) corresponding with grafting piece (55) have all been seted up to the lower terminal surface of sprue (44) and the up end of guide holder (45).

6. The three-cavity catheter with high plugging reliability according to claim 1, wherein: the outside of drainage end branch pipe (2) is equipped with nipple (7), the one end of outer body (41) is equipped with threaded connection head (47) with nipple (7) looks threaded connection.

7. The three-cavity catheter with high plugging reliability according to claim 1, wherein: the two semi-diaphragms (42) are mutually abutted on the side faces close to the lower end, an insert block (48) is arranged on the lower end face of one semi-diaphragm (42), and an insert groove (49) corresponding to the insert block (48) is arranged on the lower end face of the other semi-diaphragm (42).