CN220404614U

CN220404614U - Urinary catheter

Info

Publication number: CN220404614U
Application number: CN202321406405.6U
Authority: CN
Inventors: 龙良平; 朱晶晶
Original assignee: Hubei Maternal And Child Care Service Center (hubei Women And Children Hospital)
Current assignee: Hubei Maternal And Child Care Service Center (hubei Women And Children Hospital)
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2024-01-30
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a catheter, comprising: a urinary catheterization assembly and a fixation assembly. The urethral catheterization assembly comprises a catheterization hose, and one end of the catheterization hose is an arc closed end; the fixing component comprises a fixing balloon, a connecting hose, a connecting nozzle, a syringe, a liquid storage balloon and a liquid stopping clamp. The catheter provided by the utility model mainly comprises a catheter tube and a urine bag connecting port, wherein the liquid storage balloon with the capacity of 0.4-0.6 milliliter is used for storing 0.4-0.6 milliliter of physiological saline, and when the catheter is pulled out, the physiological saline with the capacity of 0.4-0.6 milliliter is conveniently injected into the fixed balloon again, so that the fixed balloon is kept in a slightly full state, folds on the surface of the fixed balloon can be prevented from forming edges and corners, patients feel pain uncomfortable, the catheter tube can be smoothly pulled out from the urethra of the patient, the operation is simple, and more importantly, the injection amount of the physiological saline with the capacity of 0.4-0.6 milliliter is convenient to control, and the operation for clinically pulling out the catheter tube is convenient.

Description

Urinary catheter

Technical Field

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

Background

A urinary catheter is a conduit that is inserted into the bladder from the urethra in order to drain urine. Is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), can be inserted into the bladder through the urethra so as to drain urine, and after the catheter is inserted into the bladder, an air bag is arranged near the head end of the catheter to fix the catheter and is left in the 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 current Chinese patent with publication number CN215135648U discloses a catheter, which comprises a catheter body and a balloon, wherein the catheter body is provided with a proximal end and a distal end, a urination channel and an inflation channel are arranged in the catheter body, the proximal end is provided with a first liquid suction port and a vent hole, the first liquid suction port is communicated with one end of the urination channel, the vent hole is communicated with one end of the inflation channel, the distal end is provided with a first connector and a second connector, the first connector is communicated with the other end of the urination channel, and the second connector is communicated with the other end of the inflation channel; the balloon is sleeved outside the tube body and is close to the proximal end, and the balloon is communicated with the inflation channel through the vent hole so as to inflate the balloon through the inflation channel; the tube body is also provided with a second liquid suction port which is positioned at a preset distance behind the saccule and is communicated with the urination channel.

Although the catheter is more sufficient for urine drainage, urine residues are reduced. However, when the catheter is pulled out, the air in the balloon is required to be completely discharged, the balloon after being expanded can be wrinkled to form an edge angle after the air or the liquid is pulled out, the edge angle formed in the process of pulling out the catheter can stimulate the urethra of a patient, so that the patient feels pain and discomfort, the generated wrinkles have great resistance, and the catheter is difficult to pull out smoothly. In addition, in clinical traditional chinese medical science personnel also can utilize syringe to push into the sacculus with normal saline or other liquid for the sacculus inflation plays the fixed effect, when extracting the catheter, the normal saline or other liquid in the sacculus is required to be discharged completely, the sacculus can appear the fold again and form the edges and corners, still have above-mentioned problem, in order to solve above-mentioned problem, medical personnel can be after the normal saline in the sacculus is taken out completely, pour into 0.4-0.6ml normal saline into the sacculus through the syringe again, make the sacculus keep slightly full state, can avoid the sacculus to appear the fold and form the edges and corners, simultaneously make the catheter also can smoothly pull out, but this operation is more troublesome, it is very important to make 0.4-0.6ml normal saline's injection quantity be difficult to control, can bring inconvenience for the operation of clinical pull out the catheter.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a catheter.

In order to achieve the above purpose, the main technical scheme adopted by the catheter provided by the utility model comprises the following steps:

the urethral catheterization assembly comprises a catheterization hose, wherein one end of the catheterization hose is an arc closed end, the other end of the catheterization hose is connected with a urine bag connecting port in a communicating manner, and a plurality of catheterization holes are formed in the side wall of the arc closed end;

the fixing assembly comprises a fixing balloon, a connecting hose, a connecting nozzle, an injector, a liquid storage balloon and a liquid stopping clamp, wherein the fixing balloon is fixedly sleeved on the urethral catheterization hose, the fixing balloon is close to the front end of the urethral catheterization hose, one end of the connecting hose penetrates into the interior of the urethral catheterization hose and is communicated with the fixing balloon, the connecting nozzle is fixedly communicated with the other end of the connecting hose, the connecting nozzle is located outside the urethral catheterization hose, an inserting tube is fixedly and communicatively installed at the front end of the injector, one end of the inserting tube, far away from the injector, is inserted in the connecting nozzle, the liquid storage balloon is fixedly sleeved on the inserting tube, the interior of the liquid storage balloon is communicated with the interior of the inserting tube, the capacity of the liquid storage balloon is 0.4-0.6 milliliter, the liquid stopping clamp is sleeved on the connecting hose, and the liquid stopping clamp is located outside the urethral catheterization hose.

The urinary catheter described above, wherein: the fixing assembly further comprises a locking mechanism for locking the piston rod of the syringe, the locking mechanism comprises a mounting plate, a locking barrel and a locking cap, the mounting plate is fixedly mounted at the rear end of the syringe, the locking barrel is fixedly mounted on one side face of the mounting plate, which faces away from the insertion tube, a plurality of notches are formed in one end wall, away from the mounting plate, of the locking barrel, the locking cap is in threaded fit with the locking barrel, and the piston rod sequentially penetrates through the mounting plate, the locking barrel and the locking cap in a movable mode.

The urinary catheter described above, wherein: the mounting plate is oval, and the through hole is formed in the mounting plate and communicated with the inside of the injector.

The urinary catheter described above, wherein: the lateral wall of piston rod with the inner wall laminating setting of locking section of thick bamboo.

The urinary catheter described above, wherein: the catheterization holes are oval, and the outer side edges of the catheterization holes are of round-corner structures.

The urinary catheter described above, wherein: the side part of the urethral catheterization hose is fixedly communicated with a side tube near the rear end of the urethral catheterization hose, one end of the side tube, which is far away from the urethral catheterization hose, is fixedly connected with a connector, and the connector is a needleless infusion connector or a silica gel block.

The utility model has at least the following beneficial effects:

the catheter provided by the utility model mainly comprises the catheter tube 101 and the urine bag connecting port 103, the liquid storage balloon 206 with the capacity of 0.4-0.6 milliliter is used for storing 0.4-0.6 milliliter of physiological saline, and when the catheter is pulled out, the physiological saline with the capacity of 0.4-0.6 milliliter is conveniently injected into the fixed balloon 201 again, so that the fixed balloon 201 is kept in a slightly full state, the surface of the fixed balloon 201 is prevented from being wrinkled to form an edge, the edge can be prevented from causing pain and discomfort to a patient, the catheter tube 101 can be pulled out smoothly from the urethra of the patient, the operation is simpler, and particularly, the injection amount of the physiological saline with the capacity of 0.4-0.6 milliliter is convenient to control, and the operation for clinically pulling out the catheter is convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic structural view of a catheter according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a fixation assembly in a urinary catheter according to an embodiment of the utility model;

FIG. 3 is a schematic view of a portion of a fixation assembly in a urinary catheter in accordance with an embodiment of the utility model;

FIG. 4 is a schematic view of an exploded view of a portion of a fixation assembly in a urinary catheter in accordance with an embodiment of the utility model;

reference numerals illustrate:

1. a urinary catheterization assembly; 101. a urinary catheter; 102. a urine guiding hole; 103. a urine bag connection port; 104. a side pipe; 105. a connector;

2. a fixing assembly; 201. fixing the saccule; 202. a connecting hose; 203. a liquid stopping clamp; 204. a connecting nozzle; 205. a connecting pipe is inserted; 206. a reservoir balloon; 207. a syringe; 208. a mounting plate; 209. a piston rod; 210. a locking cylinder; 211. a locking cap; 212. a notch; 213. and a through hole.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Examples

Referring to fig. 1 to 4, a catheter according to the present embodiment includes: a urinary catheterization assembly 1 and a fixation assembly 2.

Wherein, catheterization subassembly 1 includes catheter 101, and catheter 101's one end is circular arc blind end, and catheter 101's the other end intercommunication is connected with urine bag connector 103, has seted up a plurality of catheterization holes 102 on the lateral wall of circular arc blind end.

The fixing assembly 2 comprises a fixing balloon 201, a connecting hose 202, a connecting nozzle 204, an injector 207, a liquid storage balloon 206 and a liquid stopping clamp 203, wherein the fixing balloon 201 is fixedly sleeved on the urethral catheter 101, the fixing balloon 201 is arranged close to the front end of the urethral catheter 101, one end of the connecting hose 202 penetrates into the urethral catheter 101 and is communicated with the fixing balloon 201, the connecting nozzle 204 is fixedly communicated with the other end of the connecting hose 202, the connecting nozzle 204 is positioned outside the urethral catheter 101, an inserting tube 205 is fixedly and communicatively installed at the front end of the injector 207, one end, far away from the injector 207, of the inserting tube 205 is inserted into the connecting nozzle 204, the liquid storage balloon 206 is fixedly sleeved on the inserting tube 205, the inside of the liquid storage balloon 206 is communicated with the inside of the inserting tube 205, the capacity of the liquid storage balloon 206 is 0.4-0.6 milliliter, the liquid stopping clamp 203 is sleeved on the connecting hose 202, and the liquid stopping clamp 203 is positioned outside the urethral catheter 101.

The catheter adopting the technical scheme mainly comprises the catheter assembly 1 and the fixing assembly 2, wherein the catheter assembly 1 mainly comprises the catheter hose 101 and the urine bag connecting port 103, and a plurality of catheter holes 102 are formed in the circular arc closed end of the catheter hose 101, so that the catheter hose 101 is conveniently and smoothly inserted into the urethra of a patient under the action of the circular arc closed end, and the inner wall tissues of the urethra of the patient are not easy to scratch; the fixing component 2 mainly comprises a fixing balloon 201, a connecting hose 202, a connecting nozzle 204, an injector 207, a liquid storage balloon 206 and a liquid stopping clamp 203, wherein the fixing balloon 201 is used for fixing the urethral catheterization hose 101 in the urethra of a patient, the urethral catheterization hose 101 can be prevented from falling off from the urethra of the patient easily, the injector 207 is used for injecting physiological saline into the fixing balloon 201 so that the fixing balloon 201 is inflated and clamped in the urethra of the patient, the purpose of fixing the urethral catheterization hose 101 is achieved, the injector 207 is also used for extracting the physiological saline in the fixing balloon 201, the fixing balloon 201 is contracted so as to facilitate the drawing-out of the urethral catheterization hose 101 from the urethra of the patient, the liquid storage balloon 206 with the capacity of 0.4-0.6 milliliter is used for storing the physiological saline with the capacity of 0.4-0.6 milliliter, in the process that the syringe 207 extracts the normal saline inside the fixed balloon 201, the inside of the liquid storage balloon 206 automatically enters 0.4-0.6 milliliter of normal saline, when the syringe 207 is not moved, the normal saline inside the fixed balloon 201 is completely extracted, and at the moment, the liquid storage balloon 206 is extruded to enable the normal saline of 0.4-0.6 milliliter inside the liquid storage balloon to enter the fixed balloon 201 again, the liquid stopping clamp 203 is clamped, the fixed balloon 201 is kept in a slightly full state, folds forming edges and corners on the surface of the fixed balloon 201 can be avoided, pain discomfort caused by the edges and corners can be avoided, the catheter 101 can be smoothly extracted from the urethra of a patient, the operation is simple, and particularly, the injection amount of the normal saline of 0.4-0.6 milliliter is convenient to control, and convenience is brought to the operation of clinically extracting the catheter.

In order to prevent the normal saline sucked into the syringe 207 from being sucked into the syringe 207 due to excessive negative pressure in the fixed balloon 201, the fixed assembly 2 further comprises a locking mechanism for locking a piston rod 209 of the syringe 207, the locking mechanism comprises a mounting plate 208, a locking cylinder 210 and a locking cap 211, the mounting plate 208 is fixedly arranged at the rear end of the syringe 207, the locking cylinder 210 is fixedly arranged on one side surface of the mounting plate 208, which is opposite to the plug tube 205, a plurality of notches 212 are formed in one end wall, far away from the mounting plate 208, of the locking cylinder 210, the locking cap 211 is sleeved on the locking cylinder 210 in a threaded manner, the piston rod 209 sequentially penetrates through the mounting plate 208, the locking cylinder 210 and the locking cap 211, the locking cylinder 210 is screwed tightly, the piston rod 209 can be locked into the locking cylinder 210, the movement of the piston inside the syringe 207 can be avoided, and the problem that the normal saline sucked into the syringe 207 cannot be sucked into the fixed balloon 201 due to excessive negative pressure in the syringe 207 can be avoided under the condition that the piston inside the syringe 207 cannot be moved.

In order to make the mounting plate 208 have the function of a handle, the mounting plate 208 is provided with an oval shape, and in order to make the piston in the syringe 207 be pulled to exhaust, a through hole 213 is provided in the mounting plate 208, and the through hole 213 is communicated with the interior of the syringe 207.

In order to improve stability when the piston rod 209 moves, the side wall of the piston rod 209 is attached to the inner wall of the locking cylinder 210.

In order to avoid that the urethral catheterization holes 102 are easy to be blocked, the urethral catheterization holes 102 are all arranged in an oval shape, and in order to avoid that the outer side edges of the urethral catheterization holes 102 scratch the inner tissues of the urethra of a patient, the outer side edges of the urethral catheterization holes 102 are all arranged in a rounded structure.

In order to conveniently inject medicine into the urethra of a patient, a side tube 104 is fixedly communicated with the side part of the urethral catheterization hose 101 close to the rear end of the urethral catheterization hose, one end of the side tube 104 away from the urethral catheterization hose 101 is fixedly connected with a connector 105, the connector 105 is a needleless infusion connector or a silica gel block, the needleless infusion connector is used for connecting a needleless injector, and the silica gel block is used for connecting the needleless injector so as to conveniently inject medicine into the urethra of the patient through the side tube 104, and clinical use requirements can be better met.

Working principle: the catheter is characterized in that when in use:

when the catheter is inserted: wetting the surface of a urinary catheter 101 by using normal saline, inserting the circular arc closed end of the urinary catheter 101 into the urethra of a patient, slowly inserting the urinary catheter 101 into a proper position of the urethra of the patient, connecting the urine bag by using a urine bag connecting port 103, injecting the normal saline into a fixed balloon 201 by using a syringe 207 to enable the fixed balloon 201 to expand and clamp inside the urethra of the patient, achieving the purpose of fixing the urinary catheter 101, then clamping a liquid stopping clamp 203, detaching the syringe 207, and when the medicine needs to be injected into the urethra of the patient, connecting the connector 105 by using a needle syringe or a needleless syringe, and injecting the medicine into the urethra of the patient by using a side tube 104;

when the catheter is pulled out: the front end of the injector 207 is inserted into the connecting nozzle 204 at one end far away from the injector 207, then the normal saline in the fixed saccule 201 is extracted by the injector 207, when the piston in the injector 207 cannot be pulled, the locking cylinder 210 is screwed to lock the piston rod 209 in the locking cylinder 210, so that the piston in the injector 207 can be prevented from moving, then the liquid storage saccule 206 is extruded to enable 0.4-0.6ml of normal saline in the liquid storage saccule to enter the fixed saccule 201 again, the liquid stopping clamp 203 is clamped, the fixed saccule 201 is kept in a slightly filled state, the phenomenon that the surface of the fixed saccule 201 is wrinkled to form a corner angle can be avoided, the catheter 101 can be pulled out from the urethra of a patient, pain discomfort of the patient can be avoided, the catheter 101 can be smoothly pulled out from the urethra of the patient, the operation is simple, and especially, the injection amount of the normal saline of 0.4-0.6ml is convenient to control, and convenience is brought to the operation of clinically pulling out the catheter.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A urinary catheter, comprising:

the urethral catheterization assembly (1) comprises a catheterization hose (101), wherein one end of the catheterization hose (101) is an arc closed end, the other end of the catheterization hose (101) is connected with a urine bag connecting port (103) in a communicating manner, and a plurality of catheterization holes (102) are formed in the side wall of the arc closed end;

fixed subassembly (2), including fixed sacculus (201), coupling hose (202), connecting nozzle (204), syringe (207), stock solution sacculus (206) and end liquid clamp (203), fixed sacculus (201) is fixed to be sleeved on catheter (101), just fixed sacculus (201) is close to the front end setting of catheter (101), the one end of coupling hose (202) penetrates the inside of catheter (101) and with fixed sacculus (201) are linked together, connecting nozzle (204) fixed intercommunication is in the other end of coupling hose (202), just connecting nozzle (204) are located the outside of catheter (101), the front end of syringe (207) is fixed and is installed with the intercommunication ground and insert takeover (205), the one end that inserts takeover (205) kept away from syringe (207) is in coupling nozzle (204), insert takeover (206) are fixed to be sleeved on insert takeover (205), just the inside of stock solution sacculus (206) with the inside of catheter (202) is in the outside is in the end liquid clamp (203) is in the outside of hose (203), end liquid clamp (203) is connected with the outside is in (203.0 ml.

2. The urinary catheter of claim 1, wherein: the fixing assembly (2) further comprises a locking mechanism for locking a piston rod (209) of the syringe (207), the locking mechanism comprises a mounting plate (208), a locking barrel (210) and a locking cap (211), the mounting plate (208) is fixedly installed at the rear end of the syringe (207), the locking barrel (210) is fixedly installed on one side surface of the mounting plate (208) opposite to the plug tube (205), a plurality of notches (212) are formed in one end wall, far away from the mounting plate (208), of the locking barrel (210), the locking cap (211) is sleeved on the locking barrel (210) in a threaded manner, and the piston rod (209) sequentially penetrates through the mounting plate (208) in a movable manner, and the locking barrel (210) and the locking cap (211) are arranged.

3. The urinary catheter of claim 2, wherein: the mounting plate (208) is elliptical, a through hole (213) is formed in the mounting plate (208), and the through hole (213) is communicated with the inside of the syringe (207).

4. The urinary catheter of claim 2, wherein: the side wall of the piston rod (209) is attached to the inner wall of the locking cylinder (210).

5. The urinary catheter of claim 1, wherein: the urethral catheterization holes (102) are oval, and the outer side edges of the urethral catheterization holes (102) are of round-corner structures.

6. The urinary catheter of claim 1, wherein: the side part of the urethral catheterization hose (101) is fixedly communicated with a side tube (104) near the rear end of the urethral catheterization hose, one end, away from the urethral catheterization hose (101), of the side tube (104) is fixedly connected with a connector (105), and the connector (105) is a needleless infusion connector or a silica gel block.