CN214970967U

CN214970967U - Catheter with multiple cleaning cavities

Info

Publication number: CN214970967U
Application number: CN202120687483.2U
Authority: CN
Inventors: 汪威
Original assignee: Taizhou Haoxin Medical Technology Co ltd
Current assignee: Taizhou Haoxin Medical Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-03
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a catheter with multiple clean cavities, which relates to the field of medical instruments, and the key points of the technical proposal are that the catheter comprises a catheter body, a urine inlet at the front end of the catheter body and a saccule which is arranged at the rear end of the urine inlet and fixes the catheter by inflating, the saccule inputs gas through an inflation pipeline, the rear end of the catheter body is provided with a urine outlet, the catheter body is internally provided with the clean cavities which are distributed at the front end and the rear end of the saccule and a fluid injection port which is arranged at the rear end of the catheter body, and the side wall of the catheter body is provided with a fluid channel which is communicated with the clean cavities and the fluid injection port; a buffer cavity is arranged between the fluid injection port and the catheter body, and a control assembly for controlling the cleaning cavity to open and close is arranged on one side of the buffer cavity; the technical effect is that the front and rear end wounds of the balloon can be cleaned simultaneously.

Description

Catheter with multiple cleaning cavities

Technical Field

The utility model relates to the field of medical equipment, in particular to catheter with multiple clean chamber.

Background

A catheter is a tube inserted into the bladder from the urethra to drain urine, and is a tube made of natural rubber, silicone rubber or polyvinyl chloride that can be inserted into the bladder through the urethra to drain urine. The existing catheter is generally in a double-cavity structure and a three-cavity structure, wherein the double cavity structure is provided with a liquid drainage cavity and a balloon inflation cavity, and the three cavity structure is provided with the liquid drainage cavity, the balloon inflation cavity and a medicine injection cavity at the same time.

At present, chinese patent publication No. CN 209644953U discloses a novel sampling catheter, which comprises a catheter body, a urine inlet provided at the front end of the catheter body, a urine outlet provided at the rear end of the catheter body, a urine drainage channel provided in the catheter body, a urine drainage channel communicated with the urine outlet via the urine drainage channel, a balloon provided at the front end of the catheter body, and communicated with the balloon channel via a balloon inflation port, the balloon channel communicated with the balloon inner inlet at the rear end of the catheter body, the catheter body further comprising a sampling channel connected to the urine drainage channel via a sampling pipe, and the urine drainage channel communicated with the sampling port via the sampling channel.

Although the sampling catheter can clean wounds in a patient body, the position of the medicine injection cavity is single, and the condition that the wounds of the patient are adjacent to the urine inlet can only be met, so that the wounds of different positions of the patient in clinical use cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a catheter with multiple medicine chamber, it has the advantage that can clean sacculus front and back end wound simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a catheter with multiple cleaning cavities comprises a catheter body, a urine inlet at the front end of the catheter body and a saccule which is arranged at the rear end of the urine inlet and used for fixing the catheter by inflation, wherein the saccule inputs gas through an inflation pipeline, the rear end of the catheter body is provided with a urine discharge opening,

the catheter body is internally provided with a cleaning cavity distributed at the front end and the rear end of the balloon and a fluid injection port arranged at the rear end of the catheter body, and the side wall of the catheter body is provided with a fluid channel communicated with the cleaning cavity and the fluid injection port;

a buffer cavity is arranged between the fluid injection port and the catheter body, and a control assembly for controlling the cleaning cavity to open and close is arranged on one side of the buffer cavity.

Through adopting above-mentioned technical scheme, both ends all are equipped with the control assembly of clean chamber and the clean chamber switching of control around the sacculus, consequently can all clean or the medicine injection is handled to patient different position wounds to the clean difficult condition when the sacculus rear end of patient wound position has been avoided.

Further setting: the cleaning cavity is divided into an inner cleaning cavity and an outer cleaning cavity according to the sequential position of the cleaning cavity and the balloon, and the fluid channel is divided into a first fluid channel which is mutually independent and communicated with the inner cleaning cavity and a second fluid channel which is mutually independent and communicated with the outer cleaning cavity.

By adopting the technical scheme, the mutually independent fluid channels are connected to different cleaning cavities, so that the wounds at different positions are treated in a targeted manner, the independent cleaning or injection of different medicines can be completed, and the processing rapidness and convenience of medical staff are enhanced.

Further setting: the control assembly comprises a first channel and a second channel which are extended into the buffer cavity from the side wall interlayer of the fluid injection port and are respectively communicated with the inner cleaning cavity and the outer cleaning cavity, the other ends of the first channel and the second channel are converged to the detachable fixing cover arranged at the tail end of the injection port, the fixing cover is provided with a shielding cover which can control the opening and closing conditions of the first channel and the second channel through rotation, and the shielding cover can be externally connected with a cleaning device.

Through adopting above-mentioned technical scheme, rotatory sheltering from the condition that the lid can control arbitrary one passageway in first passageway, the second passageway and open alone or first passageway and second passageway open simultaneously to adapt to different patient's circumstances more.

Further setting: the shielding cover is provided with two synchronous holes which are communicated or staggered with the first channel and the second channel, and one side of each synchronous hole is provided with a single hole which is independently communicated with any one of the first channel and the second channel.

By adopting the technical scheme, the two synchronous holes can be simultaneously communicated or staggered with the first channel and the second channel by rotating the shielding cover; when the synchronization orifice is misaligned with the first and second passages, the single orifice may communicate with either the first or second passages.

Further setting: the control assembly comprises a central rotating shaft arranged between the first fluid channel and the second fluid channel, and a plurality of rollers for extruding the first fluid channel and the second fluid channel are uniformly distributed on the central rotating shaft.

By adopting the technical scheme, the central rotating shaft controls the roller to rotate, and the extrusion closing and opening states of the roller to the fluid channel are changed through the difference of the relative positions of the roller to the fluid channel, so that the fluid output condition of the front-end cleaning cavity is changed.

Further setting: the number of the rollers is 4, every two rollers are adjacent to each other to form a group and are arranged on two sides of the central rotating shaft, and the included angle between the two groups of rollers ranges from 110 degrees to 130 degrees.

Through adopting above-mentioned technical scheme, two are a set of extrusion that promptly to fluid passage and divide into two stages, thereby cooperate through angle and fluid passage's position and make two fluid passage open and close simultaneously or crisscross opening and closing.

Further setting: the catheter body is internally provided with a clamping groove for fixing the rotation track of the central rotating shaft.

Through adopting above-mentioned technical scheme, the draw-in groove can ensure that central pivot moves in the plane that two fluid passage constitute to avoid influencing the extrusion effect because of central pivot is skew.

Further setting: the control assembly further comprises a manual rotating shaft linked with the central rotating shaft outside the catheter body.

Through adopting above-mentioned technical scheme, thereby drive the control assembly through manual pivot and take place to remove and control the switching in clean chamber.

Further setting: the inner cleaning cavity is positioned on the side surface of the urethral catheterization opening or at any point between the urethral catheterization buckle and the sacculus.

Through adopting above-mentioned technical scheme, the scheme in the clean chamber of nimble regulation and control inside can adapt to the wound of different positions, has increased the convenience of using.

Further setting: the catheter body is made of any one or a combination of several of rubber, silica gel and gel.

By adopting the technical scheme, the rubber, the silica gel and the gel are all high-elasticity and soft materials.

To sum up, the utility model discloses following beneficial effect has: both ends all are equipped with the control assembly of clean chamber and the clean chamber switching of control around the sacculus, consequently can all clean or the medicine injection is handled the wound of patient different positions to the clean difficult condition in the time of the sacculus rear end of patient wound position has been avoided.

Drawings

FIG. 1 is a schematic view of the overall construction of a urinary catheter having multiple cleaning lumens;

FIG. 2 is a schematic view of a cleaning lumen in a urinary catheter having multiple cleaning lumens;

FIG. 3 is a schematic structural view of a control unit according to the first embodiment;

FIG. 4 is a schematic structural view of a control unit according to a second embodiment;

FIG. 5 is a schematic view of a control assembly according to a second embodiment;

in the figure, 1, a catheter body; 2. a urine inlet; 3. a balloon; 4. an inflation conduit; 5. a urine outlet; 6. cleaning the cavity; 7. a fluid injection port; 8. a fluid channel; 9. a buffer chamber; 10. a control component; 11. an internal cleaning chamber; 12. an outer cleaning chamber; 13. a first fluid channel; 14. a second fluid passage; 15. a central rotating shaft; 16. a roller; 17. a card slot; 18. a manual rotation shaft; 19. a first channel; 20. a second channel; 21. a fixed cover; 22. a shielding cover; 23. a synchronization hole; 24. a single well.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

First preferred embodiment:

the utility model provides a catheter with multiple clean chamber, as shown in figure 1, including the catheter body 1, the urine mouth 2 of advancing of catheter body 1 front end and locate the sacculus 3 that advances the urine mouth 2 rear end and fix the catheter, the rear end of catheter body 1 still is equipped with the urine mouth 5 of discharge urine, sacculus 3 is through the pipeline of ventilating and carry gas in to sacculus 3, thereby gaseous messenger sacculus 3 inflation is fixed the catheter to the human body.

The catheter body 1 is made of any one or a combination of several of rubber, silica gel or gel, and the materials can meet the flexibility required by clinical application and have certain elasticity, so that components in the catheter body 1 can be fixed.

The rear end of the catheter body 1 is provided with a fluid channel 8 independent of the ventilation pipeline and the urine outlet 5, one end of the fluid channel 8 is provided with a fluid injection port 7, the inside of the catheter body 1 is also provided with cleaning cavities 6 distributed at the front end and the rear end of the balloon 3, and the fluid channel 8 is communicated with the cleaning cavities 6 and conveys cleaning water or required medicines into the cleaning cavities 6 through the fluid injection port 7.

As shown in fig. 1 and 2, the cleaning cavity 6 is divided into an inner cleaning cavity 11 arranged at the front end of the balloon 3 for irrigating an internal wound and an outer cleaning cavity 12 arranged at the back end of the balloon 3 for irrigating an external wound, the fluid pipeline comprises a first fluid channel 13 and a second fluid channel 14 matched with the first fluid channel 13, the first fluid channel 13 is communicated with the inner cleaning cavity 11, and the second fluid channel 14 is communicated with the outer cleaning cavity 12.

The position of the inner cleaning cavity 11 can be at the urine inlet 2, aiming at the condition that the wound of the patient is close to the urine inlet, and can also be arranged at any point between the balloon 3 and the urine inlet 2, so as to meet the wound of different positions in the body of the patient and enhance the convenience.

The inner cleaning cavity 11 and the outer cleaning cavity 12 are respectively communicated with two mutually independent channels, so that mutual interference between fluids during simultaneous cleaning or simultaneous medicine injection can be avoided, and the inner or outer cleaning cavity 6 can be cleaned or treated by medicine injection respectively.

A buffer cavity 9 for filtering the pressure of the fluid and facilitating the delivery of the fluid is arranged between the fluid injection port 7 and the fluid channel 8, and the buffer cavity 9 can avoid that the water is difficult to deliver into the fluid channel 8 due to the fact that the diameter of the fluid channel 8 is too small and the water pressure is increased suddenly due to the pipe diameter in the fluid injection port 7.

As shown in fig. 3, the catheter with multiple cleaning chambers further includes a control assembly 10 for controlling the simultaneous opening and closing or the separate opening and closing of the first fluid passage 13 and the second fluid passage 14, as shown in fig. 5,

the control assembly 10 comprises a first channel 19 and a second channel 20 which extend into the buffer cavity 9 from the interlayer of the side wall of the fluid injection port 7 and are respectively communicated with the inner cleaning cavity 11 and the outer cleaning cavity 12, the other ends of the first channel 19 and the second channel 20 are converged to a detachable fixed cover 21 arranged at the tail end of the injection port, a shielding cover 22 capable of controlling the opening and closing conditions of the first channel 19 and the second channel 20 through rotation is arranged on the fixed cover 21, and the shielding cover 22 can be externally connected with a cleaning device.

The rotary shielding cover 22 can control the condition that any one of the first channel 19 and the second channel 20 is opened independently or the first channel 19 and the second channel 20 are opened simultaneously, thereby being more suitable for different patient conditions.

The shielding cover 22 is provided with two synchronizing holes 23 simultaneously communicating with the first passage 19 and the second passage 20 or being misaligned, and one side of the synchronizing holes 23 is provided with a single hole 24 independently communicating with any one of the first passage 19 and the second passage 20.

The rotation of the shutter cover 22 makes it possible to simultaneously connect or misalign the two synchronization holes 23 with the first channel 19 and the second channel 20; when the synchronizing hole 23 is misaligned with the first passage 19 and the second passage 20, the single hole 24 may communicate with either one of the first passage 19 or the second passage 20.

The second embodiment:

as shown in fig. 4 and 5, the control assembly 10 includes a central rotating shaft 15 disposed between the first fluid channel 13 and the second fluid channel 14, rollers 16 are disposed on the central rotating shaft 15, two groups of two adjacent rollers 16 are disposed, and an included angle between the two groups of rollers 16 is in a range of 110 ° to 130 °; the obtuse angle between the two sets of rollers 16 and the 180 degree symmetry between the first fluid channel 13 and the second fluid channel, so that the two fluid channels 8 can be opened or closed simultaneously, and the independent opening or closing of any one of the two fluid channels 8 can be realized.

The catheter body 1 is also internally provided with clamping grooves 17 for controlling the central rotating shaft 15 to move in a plane formed by the two fluid channels 8, the clamping grooves 17 are arranged on two sides of the central rotating shaft 15, the side surface of the central rotating shaft 15 is communicated to the outer side of the catheter body 1 and is provided with a manual rotating shaft 18, and a person can control the central rotating shaft 15 to rotate by rotating the manual rotating shaft 18, so that the position of the roller 16 is controlled, and the required opening and closing condition of the fluid channels 8 is achieved.

Three modes of manual rotation of the shaft 18 are provided in this application, respectively:

1. the manual rotating shaft 18 is a control rod which directly extends to the outer side of the catheter body 1 from the side surface of the central rotating shaft 15, and a person controls the rotation of the central rotating shaft 15 by rotating the control rod.

2. The manual rotation shaft 18 includes a link extending from the edge of the central rotation shaft 15 to the outside of the catheter body 1, and a torsion ring fixed to one end of the link.

3. The manual rotation shaft 18 includes a connection piece extending from the edge of the central rotation shaft 15 to the outside of the catheter body 1, and a torsion ring fixed to one end of the connection piece.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a catheter with multiple clean chamber, includes into urine mouth (2) of catheter body (1), catheter body (1) front end and locates into urine mouth (2) rear end through aerifing sacculus (3) of fixed catheter, sacculus (3) are through aerifing pipeline (4) input gas, the rear end of catheter body (1) is equipped with urination mouth (5), its characterized in that:

a cleaning cavity (6) distributed at the front end and the rear end of the balloon (3) and a fluid injection port (7) arranged at the rear end of the catheter body (1) are arranged in the catheter body (1), and a fluid channel (8) communicating the cleaning cavity (6) and the fluid injection port (7) is arranged on the side wall of the catheter body (1); a buffer cavity (9) is arranged between the fluid injection port (7) and the catheter body (1);

and a control assembly (10) for controlling the opening and closing of the cleaning cavity is arranged on the fluid injection port (7).

2. The urinary catheter with multiple cleaning lumens as set forth in claim 1, wherein: the cleaning cavity (6) is divided into an inner cleaning cavity (11) and an outer cleaning cavity (12) according to the sequential position of the cleaning cavity and the balloon (3), and the fluid channel (8) is divided into a first fluid channel (13) which is independent of each other and communicated with the inner cleaning cavity (11) and a second fluid channel (14) which is independent of each other and communicated with the outer cleaning cavity (12).

3. A catheter with multiple cleaning lumens as claimed in claim 2 wherein: the control assembly (10) comprises a first channel (19) and a second channel (20) which extend into the buffer cavity (9) from the side wall interlayer of the fluid injection port (7) and are respectively communicated with the inner cleaning cavity (11) and the outer cleaning cavity (12), the other ends of the first channel (19) and the second channel (20) are converged to a detachable fixed cover (21) arranged at the tail end of the injection port, a shielding cover (22) capable of controlling the opening and closing conditions of the first channel and the second channel through rotation is arranged on the fixed cover (21), and the shielding cover (22) can be externally connected with a cleaning device.

4. A catheter with multiple cleaning lumens as claimed in claim 3 wherein: two synchronous holes (23) which are simultaneously communicated with the first channel (19) and the second channel (20) or are staggered are formed in the shielding cover (22), and a single hole (24) which is independently communicated with any one of the first channel (19) and the second channel (20) is formed in one side of each synchronous hole (23).

5. A catheter with multiple cleaning lumens as claimed in claim 2 wherein: the control assembly (10) comprises a central rotating shaft (15) arranged between the first fluid channel (13) and the second fluid channel (14), and a plurality of rollers (16) for extruding the first fluid channel (13) and the second fluid channel (14) are uniformly distributed on the central rotating shaft (15).

6. A catheter with multiple cleaning lumens as claimed in claim 5 wherein: the number of the rollers (16) is 4, every two rollers are adjacent to each other and are arranged on two sides of the central rotating shaft (15), and the included angle between the two groups of rollers (16) ranges from 110 degrees to 130 degrees.

7. A catheter with multiple cleaning lumens as claimed in claim 5 wherein: a clamping groove (17) which is used for fixing the central rotating shaft (15) and limiting the rotating track of the central rotating shaft is arranged in the catheter body (1).

8. A catheter with multiple cleaning lumens as claimed in claim 5 wherein: the control assembly (10) further comprises a manual rotating shaft (18) which is linked with the central rotating shaft (15) outside the catheter body (1).

9. A catheter with multiple cleaning lumens as claimed in claim 2 wherein: the inner cleaning cavity (11) is positioned at the side of the urine inlet (2) or at any point between the urine inlet (2) and the balloon (3).

10. The urinary catheter with multiple cleaning lumens as set forth in claim 1, wherein: the catheter body (1) is made of any one or a combination of several of rubber, silica gel and gel.