CN113975597B - Anti-blocking catheter - Google Patents
Anti-blocking catheter Download PDFInfo
- Publication number
- CN113975597B CN113975597B CN202111456248.5A CN202111456248A CN113975597B CN 113975597 B CN113975597 B CN 113975597B CN 202111456248 A CN202111456248 A CN 202111456248A CN 113975597 B CN113975597 B CN 113975597B
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- China
- Prior art keywords
- elastic
- push
- tube
- tube head
- umbrella
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22082—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
Abstract
The invention discloses an anti-blocking catheter, and belongs to the field of catheters. An anti-clogging urinary catheter, comprising an outer tube; an inner tube which is arranged in the outer tube, wherein a suction channel is arranged in the inner tube, and a flushing channel is formed between the inner tube and the outer tube; an elastic shrinkage tube head provided with a plurality of strip-shaped fine holes and connected with the tube orifice of the outer tube; according to the invention, through the elastic umbrella ribs with inverted umbrella-shaped structures in the elastic shrinkage tube head, the strip-shaped pore size of the elastic shrinkage tube head can be adjusted, the opening which can be enlarged is convenient for sucking viscous effusion and even blood clots, and the effusion, the blood clots and even fine broken stones are discharged out of the bladder by the size change of the strip-shaped pore opening, so that the blockage of the catheter is effectively avoided, and the pain of a patient is reduced.
Description
Technical Field
The invention relates to the technical field of catheters, in particular to an anti-blocking catheter.
Background
A catheter is a conduit inserted into the urinary bladder from the urethra to drain urine, and is a conduit made of natural rubber, silicone rubber or polyvinyl chloride that can be inserted into the urinary bladder through the urethra to drain urine out.
In the actual operation process, viscous blood exists in the effusion and even blood clots can exist when drainage is carried out, the suction port of the catheter is an opening with a fixed size at present, when the effusion needs to be cleaned, the orifice of the catheter is blocked by the viscous blood clots in the bladder, so that the effusion and the blood clots can not be discharged, and in order to solve the problem, the catheter can only be frequently pulled out and inserted from the patient, and the patient is very painful in the process.
Disclosure of Invention
The invention aims to solve the problem that viscous blood or blood clots can be blocked when a catheter pumps effusion in the prior art, and provides an anti-blocking catheter.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an anti-clogging urinary catheter, comprising
An outer tube;
an inner tube which is arranged in the outer tube,
wherein, the liquid crystal display device comprises a liquid crystal display device,
a suction channel is arranged in the inner tube, and a flushing channel is formed between the inner tube and the outer tube;
an elastic shrinkage tube head provided with a plurality of strip-shaped fine holes and connected with the tube orifice of the outer tube;
the push-pull column is arranged in the inner tube in a sliding manner;
the lower ends of the elastic umbrella ribs are narrow ends and are connected to the upper ends of the push-pull columns in an annular mode, and the wide parts are positioned on the inner side walls of the elastic shrinkage tube heads;
the push-pull column is connected with the push-pull ring piece through a push thin rod,
wherein the method comprises the steps of
When the flushing liquid is conveyed through the flushing channel, the flushing liquid firstly pushes the push ring piece to move upwards, at the moment, the push ring piece drives the push-pull column to move upwards through the push thin rod, the push-pull column drives the narrow end of the lower end of the elastic umbrella rib to move upwards, the wide end of the elastic umbrella rib is positioned on the inner side of the upper end of the elastic shrinkage tube head to move upwards to be limited, at the moment, the elastic umbrella rib can be outwards supported and unfolded due to self elasticity, so that the expansion elastic shrinkage tube head is pushed to expand, the push ring piece moves upwards to a certain position, and the flushing liquid can flow out from an expansion gap between the push ring piece and the elastic shrinkage tube head to flush, and meanwhile, the size of a strip-shaped pore on the elastic shrinkage tube head is enlarged, and liquid is sucked by utilizing the suction channel arranged in the inner tube.
Preferably, the elastic shrinkage tube head is of an inverted umbrella-shaped structure, and the head of the elastic shrinkage tube head is inwards concave to form an inverted umbrella-shaped end head and an inverted umbrella-shaped opening;
the lower end of the elastic umbrella rib is a narrow end, the upper end of the elastic umbrella rib is a wide end, the wide end of the elastic umbrella rib is positioned between the inverted umbrella-shaped end and the inner wall of the side edge of the elastic shrinkage tube head, the inverted umbrella-shaped end is connected to the push-pull column through a connecting thin rod, the lower end of the push-pull column is connected with a pull rope, and the pull rope penetrates through the end of the inner tube and extends outwards;
when the pull rope is pulled, the elastic umbrella ribs are folded inwards, at the moment, the inverted umbrella-shaped end is contracted inwards, and the inverted umbrella-shaped opening grabs and extrudes blood clots and breaks;
when the flushing liquid is conveyed through the flushing channel, the elastic shrinkage tube head expands, and the size of the strip-shaped fine holes on the elastic shrinkage tube head becomes larger.
Preferably, the elastic umbrella ribs are in a structure that two ends are narrow ends, the middle part is wide, the upper ends of the elastic umbrella ribs are connected, the narrow ends of the upper ends of the elastic umbrella ribs are propped against/connected with the inside of the top side of the elastic shrinkage tube head, and the wide part of the middle part of the elastic umbrella ribs is propped against the inner side wall of the elastic shrinkage tube head.
Preferably, the narrow ends of the upper ends of the elastic umbrella ribs are connected through connecting balls.
Preferably, the inner tube is fixedly connected with a support frame, and the push-pull column is connected to the support frame in a sliding manner.
Preferably, the bottom of the push-pull column is connected with a limiting ring.
Preferably, the upper end of the push-pull column is fixedly connected with a connecting piece, the narrow end of the lower end of the elastic umbrella rib is fixedly connected with the connecting piece, and the pushing thin rod is also fixedly connected with the connecting piece.
Preferably, the inner pipe end is connected with a suction connector, and the outer pipe end is connected with a flushing connector.
Preferably, the inner tube is fixedly supported on the outer tube by a plurality of plastic support columns.
Compared with the prior art, the invention provides an anti-blocking catheter, which has the following beneficial effects:
1. according to the anti-blocking catheter, through the elastic umbrella ribs of the inverted umbrella-shaped structure in the elastic shrinkage tube head, the size of the strip-shaped fine holes of the elastic shrinkage tube head can be adjusted, the opening which can be enlarged is convenient for sucking viscous effusion and even blood clots, and the size change of the strip-shaped fine hole opening is utilized for discharging the effusion, the blood clots and even fine broken stones out of the bladder, so that the blockage of the catheter is effectively avoided, and the pain of a patient is reduced;
2. the anti-blocking catheter can be folded inwards by pulling the pull rope with slight force, at the moment, the inverted umbrella-shaped end head is contracted inwards, the inverted umbrella-shaped opening grabs and extrudes blood clots and breaks the blood clots, the blood clots are extruded into small fragments, the elastic umbrella-shaped end head can be unfolded, then the treated effusion is washed and extracted, and the effusion, the treated blood clots and even fine crushed stones are discharged out of the bladder by utilizing the size change of the strip-shaped pore openings.
Drawings
FIG. 1 is a schematic view of an anti-clogging urinary catheter according to an embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of the portion A of FIG. 1 of an anti-clogging urinary catheter according to the present invention;
FIG. 3 is a schematic view of the structure of the portion B of FIG. 1 of an anti-clogging urinary catheter according to the present invention;
FIG. 4 is a schematic view showing the structure of an elastic shrinkage tube head of an anti-clogging urinary catheter according to an embodiment 1 of the present invention;
FIG. 5 is a schematic view of the elastic rib structure of an anti-clogging urinary catheter according to example 1 of the present invention;
FIG. 6 is a schematic view showing the structure of an anti-clogging urinary catheter according to an embodiment 2 of the present invention;
FIG. 7 is a schematic view of the structure of the anti-clogging urinary catheter shown in FIG. 6 at C;
fig. 8 is a schematic view of the elastic rib structure of an anti-blocking catheter according to embodiment 2 of the present invention.
In the figure: 1. an outer tube; 101. flushing the joint; 2. an elastic shrink tube head; 201. an inverted umbrella opening; 202. an inverted umbrella-shaped end; 3. strip-shaped pores; 4. an elastic rib; 5. connecting a thin rod; 6. pushing the thin rod; 7. pushing the ring piece; 8. a connecting piece; 9. an inner tube; 901. a suction fitting; 10. a suction channel; 11. a flushing channel; 12. a support frame; 13. a push-pull column; 14. a limiting ring; 15. a pull rope; 16. and connecting the ball.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
referring to FIGS. 1-5, an anti-occlusion urinary catheter, comprising
An outer tube 1;
an inner tube 9 built in the outer tube 1,
wherein, the liquid crystal display device comprises a liquid crystal display device,
referring to fig. 4, a suction passage 10 is provided in the inner tube 9, and a flushing passage 11 is formed between the inner tube 9 and the outer tube 1; the inner tube 9 and the outer tube 1 are both made of silicon rubber;
referring to fig. 4, an elastic shrinkage tube head 2 provided with a plurality of strip-shaped fine holes 3 is connected to a tube orifice of an outer tube 1; the strip-shaped fine holes 3 are used as channels for sucking the accumulated liquid, the accumulated liquid can be sucked, the material of the elastic shrinkage tube head 2 is made of natural rubber preferentially, the softness of the elastic shrinkage tube head is softer than that of the inner tube 9 and the outer tube 1 which are made of silicon rubber, the follow-up pushing ring piece 7 is convenient to move in the flushing channel 11, the inner layer stage of the elastic shrinkage tube head 2 can be more conveniently entered, and the elastic shrinkage tube head 2 is softer and is also convenient for supporting and expanding of the elastic umbrella ribs 4.
Referring to fig. 4, the push-pull column 13 is slidably arranged in the inner tube 9, and the push-pull column 13 is made of hard plastic, so that the elastic umbrella rib 4 can be pushed;
referring to fig. 4, the plurality of elastic ribs 4 are connected to the upper end of the push-pull column 13 in a ring shape with a narrow lower end, the wide part is positioned on the inner side wall of the elastic shrinkage tube head 2, the elastic ribs 4 with a narrow lower end and a wide head can ensure that the elastic shrinkage tube head 2 expands outwards and contracts inwards, and the elastic shrinkage tube head 2 can expand uniformly along the circumference in a ring shape;
referring to fig. 4 and 5, the push ring piece 7 is slidably disposed in the flushing channel 11, and the push-pull column 13 is connected to the push ring piece 7 by the push thin rod 6;
referring to fig. 5, the elastic shrinkage tube head 2 has an inverted umbrella structure, and the head of the elastic shrinkage tube head 2 is concavely formed into an inverted umbrella-shaped end 202 and an inverted umbrella-shaped opening 201;
referring to fig. 4, the lower end of the elastic rib 4 is a narrow end, the upper end of the elastic rib 4 is a wide end, the wide end of the elastic rib 4 is positioned between the inverted umbrella-shaped end 202 and the inner wall of the side edge of the elastic shrinkage tube head 2, the inverted umbrella-shaped end 202 is connected to the push-pull column 13 through the connecting thin rod 5, the lower end of the push-pull column 13 is connected with the pull rope 15, and the pull rope 15 extends outwards through the end of the inner tube 9;
when blood clots exist in the dropsy, the pull rope 15 is pulled, the pull and push column 13 is pulled by the pull rope 15 to move downwards, the inverted umbrella-shaped end 202 can be pulled downwards when the elastic umbrella ribs 4 shrink inwards due to the connecting thin rod 5, and the upper ends of the elastic umbrella ribs 4 shrink and close to be compressed, so that the blood clots can be captured and extruded;
when the pull rope 15 is pulled, the elastic umbrella ribs 4 are folded inwards, the inverted umbrella-shaped end 202 is contracted inwards, and the inverted umbrella-shaped opening 201 grabs and extrudes blood clots and breaks;
when the flushing liquid is conveyed through the flushing channel 11, the elastic shrinkage tube head 2 expands, and the strip-shaped fine holes 3 on the elastic shrinkage tube head 2 become larger in size;
when the flushing liquid is conveyed through the flushing channel 11, the flushing liquid firstly pushes the push ring piece 7 to move upwards, at the moment, the push ring piece 7 drives the push-pull column 13 to move upwards by pushing the thin rod 6, the push-pull column 13 drives the narrow end of the lower end of the elastic umbrella rib 4 to move upwards, the wide end of the elastic umbrella rib 4 is positioned on the inner side of the upper end of the elastic shrinkage tube head 2 to move upwards to be limited, at the moment, the elastic umbrella rib 4 can be supported and unfolded outwards due to self elasticity, so that the elastic shrinkage tube head 2 is pushed and expanded, the push ring piece 7 moves upwards to a certain position, the material of the elastic shrinkage tube head 2 is preferably natural rubber, the softness of the material is softer than that of the inner tube 9 and the outer tube 1 which are made of silicon rubber, the elastic shrinkage tube head 2 is convenient to push and expand, when the pushing ring piece 7 moves upwards to a certain position to be positioned in the elastic shrinkage tube head 2, the outer wall of the pushing ring piece 7 is the expanded elastic shrinkage tube head 2, flushing fluid can flow out from an expansion gap between the pushing ring piece 7 and the elastic shrinkage tube head 2 due to expansion of the elastic shrinkage tube head 2, flushing is carried out, meanwhile, the size of the strip-shaped fine holes 3 on the elastic shrinkage tube head 2 is enlarged, liquid is sucked by utilizing the suction channel 10 arranged in the inner tube 9, blood clots can be broken, and meanwhile, the size of the strip-shaped fine holes 3 can be adjusted to be enlarged, so that blockage is effectively avoided, repeated back and forth insertion is not needed, and pain of a patient is reduced.
Example 2:
referring to fig. 6 to 8, an anti-clogging urinary catheter is basically the same as that of example 1, except that this embodiment is not recommended for the use of the effusion with blood clots, and the embodiment is configured by a plurality of elastic ribs 4 having two ends as narrow ends and a middle as wide parts, the upper ends of the plurality of elastic ribs 4 are connected, the narrow ends of the upper ends of the elastic ribs 4 are abutted against/connected with the inside of the top side of the elastic contraction tube head 2, the wide parts of the middle parts of the elastic ribs 4 are abutted against the inside wall of the elastic contraction tube head 2, and the device can directly contract and expand the elastic contraction tube head 2 through expansion and contraction of the elastic ribs 4, thereby adjusting the size of the strip-shaped fine holes 3 and being capable of extracting thick effusion.
The narrow end of the upper end of the elastic umbrella rib 4 is connected through the connecting ball 16, so that the connecting ball 16 is propped against or connected with the inner layer at the top end of the elastic shrinkage tube head 2, and the expansion and shrinkage of the elastic shrinkage tube head 2 are ensured.
The inner tube 9 is fixedly connected with a support frame 12, and the push-pull column 13 is connected to the support frame 12 in a sliding manner, so that the push-pull column 13 can stably slide in the inner tube 9.
The bottom of the push-pull column 13 is connected with a limiting ring 14, so that when liquid accumulation is prevented from being washed, the push-pull column 13 is pushed by the push ring piece 7 excessively, and the elastic umbrella rib 4 is prevented from being excessively expanded.
The upper end of the push-pull column 13 is fixedly connected with a connecting piece 8, the narrow end of the lower end of the elastic umbrella rib 4 is fixedly connected to the connecting piece 8, and the pushing thin rod 6 is also fixedly connected to the connecting piece 8, so that the pushing column 13 is conveniently connected with the elastic umbrella rib 4 and the pushing thin rod 6.
The end of the inner pipe 9 is connected with a suction connector 901, and the end of the outer pipe 1 is connected with a flushing connector 101, so that an external flusher and an aspirator are facilitated.
The inner tube 9 is fixedly supported in the outer tube 1 by a plurality of plastic support columns, ensuring that the flushing channel 11 between the inner tube 9 and the outer tube 1 is clear.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. An anti-clogging urinary catheter, comprising
An outer tube (1);
an inner tube (9) which is arranged in the outer tube (1),
wherein, the liquid crystal display device comprises a liquid crystal display device,
a suction channel (10) is arranged in the inner tube (9), and a flushing channel (11) is formed between the inner tube (9) and the outer tube (1);
an elastic shrinkage tube head (2) provided with a plurality of strip-shaped fine holes (3) is connected to the tube orifice of the outer tube (1);
a push-pull column (13) arranged in the inner tube (9) in a sliding manner;
a plurality of elastic umbrella ribs (4), the lower end of which is a narrow end and is connected with the upper end of the push-pull column (13) in a ring shape, and the wide part is positioned on the inner side wall of the elastic shrinkage tube head (2);
the push ring piece (7) is arranged in the flushing channel (11) in a sliding way, the push-pull column (13) is connected with the push ring piece (7) through the push thin rod (6),
wherein the method comprises the steps of
When the flushing liquid is conveyed through the flushing channel (11), the flushing liquid firstly pushes the pushing ring piece (7) to move upwards, at the moment, the pushing ring piece (7) drives the pushing and pulling column (13) to move upwards through the pushing thin rod (6), the pushing and pulling column (13) drives the narrow end of the lower end of the elastic umbrella rib (4) to move upwards, the wide end of the elastic umbrella rib (4) is located on the inner side of the upper end of the elastic shrinkage tube head (2) to move upwards and limited, at the moment, the elastic umbrella rib (4) can support and expand outwards due to the elasticity of the elastic umbrella rib, so that the expanding elastic shrinkage tube head (2) is pushed to push the ring piece (7) to move upwards to a certain position, and because the elastic shrinkage tube head (2) expands, the flushing liquid can flow out from an expanding gap between the pushing ring piece (7) and the elastic shrinkage tube head (2) to flush, and meanwhile, the size of the strip-shaped fine holes (3) on the elastic shrinkage tube head (2) is enlarged, and liquid is sucked by the suction channel (10) arranged in the inner tube (9).
2. An anti-clogging urinary catheter as claimed in claim 1, wherein the elastic pinch tube head (2) is of inverted umbrella-like structure, the head of the elastic pinch tube head (2) being concavely formed into an inverted umbrella-shaped tip (202) and an inverted umbrella-shaped opening (201);
the lower end of the elastic umbrella rib (4) is a narrow end, the upper end of the elastic umbrella rib (4) is a wide end, the wide end of the elastic umbrella rib (4) is positioned between the inverted umbrella-shaped end (202) and the inner wall of the side edge of the elastic shrinkage tube head (2), the inverted umbrella-shaped end (202) is connected to the push-pull column (13) through a connecting thin rod (5), the lower end of the push-pull column (13) is connected with a pull rope (15), and the pull rope (15) penetrates through the end of the inner tube (9) to extend outwards;
when the pull rope (15) is pulled, the elastic umbrella ribs (4) are folded inwards, the inverted umbrella-shaped end (202) is contracted inwards, and the inverted umbrella-shaped opening (201) grabs and extrudes blood clots and breaks;
when the flushing liquid is conveyed through the flushing channel (11), the elastic shrinkage tube head (2) expands, and the strip-shaped pores (3) on the elastic shrinkage tube head (2) become larger in size.
3. The anti-clogging urinary catheter as claimed in claim 1, wherein a plurality of the elastic ribs (4) are in a structure with two ends being narrow ends and a middle being wide, the upper ends of the elastic ribs (4) are connected, the narrow ends of the upper ends of the elastic ribs (4) are propped against/connected with the inside of the top side of the elastic shrinkage tube head (2), and the wide parts of the middle of the elastic ribs (4) are propped against the inside wall of the elastic shrinkage tube head (2).
4. A catheter according to claim 3, wherein the upper narrow ends of the elastic ribs (4) are connected by means of connecting balls (16).
5. An anti-clogging urinary catheter as claimed in claim 1, characterized in that a supporting frame (12) is fixedly connected in the inner tube (9), and the push-pull column (13) is slidably connected to the supporting frame (12).
6. An anti-clogging urinary catheter as claimed in claim 5, characterized in that the bottom of the push-pull column (13) is connected with a stop collar (14).
7. An anti-clogging urinary catheter as claimed in claim 1, wherein the push-pull column (13) is fixedly connected with a connecting member (8), the narrow end of the lower end of the elastic rib (4) is fixedly connected to the connecting member (8), and the pushing thin rod (6) is also fixedly connected to the connecting member (8).
8. An anti-clogging urinary catheter according to any one of claims 1-6, wherein the inner tube (9) end is connected with a suction connector (901) and the outer tube (1) end is connected with a flushing connector (101).
9. An anti-clogging urinary catheter according to any one of claims 1-6, wherein the inner tube (9) is fixedly supported in the outer tube (1) by means of a plurality of plastic support pillars, ensuring that the flushing channel (11) between the inner tube (9) and the outer tube (1) is clear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111456248.5A CN113975597B (en) | 2021-12-01 | 2021-12-01 | Anti-blocking catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111456248.5A CN113975597B (en) | 2021-12-01 | 2021-12-01 | Anti-blocking catheter |
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| Publication Number | Publication Date |
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| CN113975597A CN113975597A (en) | 2022-01-28 |
| CN113975597B true CN113975597B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111456248.5A Active CN113975597B (en) | 2021-12-01 | 2021-12-01 | Anti-blocking catheter |
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| CN113975597A (en) | 2022-01-28 |
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