CN219662606U - Catheter - Google Patents

Abstract

The utility model discloses a catheter, which relates to the technical field of catheters, and comprises a catheter body and a rotatable fixer; one end of the pipe body is a guide end, and the guide end is closed; the other end of the tube body is a urine receiving bag end which is opened; the catheter body is provided with a urethral catheterization hole, and the urethral catheterization hole is adjacent to the guide end; along the length direction of the tube body, the tube body is sequentially provided with a urethral catheterization hole, an expansion positioner with controllable size, a sampling book branch pipe and a flushing branch pipe, and the urethral catheterization hole, the sampling book branch pipe and the flushing branch pipe are communicated with the inside of the tube body; the fixer is arranged between the expansion locator and the sample-remaining branch pipe; a development area and scale marks are arranged on the tube body, and the development area is adjacent to the guide end; the scale marks are arranged along the length direction of the tube body, and the scale marks are arranged from the guide end to the branch pipe of the reserved sampling book; the utility model provides the image assistance for the guiding-in path of the catheter by arranging the development area and the scale marks so as to facilitate guiding-in, thereby solving the technical problem of inconvenient guiding-in of the catheter during use.

Description

Catheter

Technical Field

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

Background

The catheter is a pipeline which is inserted into the bladder from the urethra so as to drain urine, and after the catheter is inserted into the bladder, the catheter is inflated by an air bag or the water bag is filled with water so as to fix the catheter in the bladder, thereby ensuring that the catheter is not easy to deviate; the catheter is used to assist or control the flow of urine from the patient's bladder, and in use, the distal end of the catheter is placed in the bladder and the catheter is held in place by means of a water bladder that expands within the bladder. Urine may then be drained from the bladder by extending the lumen of the urinary catheter.

The common catheter has the purpose and effect of catheterization: 1. relieving pain for patients with urinary retention, and collecting sterile urine specimens; 2. the urine is led out to reduce the filling volume of the bladder, so that the bladder is prevented from being injured by mistake during pelvic surgery; 3. checking bladder function, measuring bladder volume, pressure, and residual urine volume; 4. can assist in identifying uroschesis and urinary retention, diagnosing and treating bladder and urethra diseases.

The prior catheter has the technical defects that: when a common catheter is used, the following problems are easy to cause, namely, 1, the catheter is blocked and the urine is left unsmooth or the urine leaks at the mouth of the catheter;

2. when the urinary catheter is fixed without secondary fixation or by auxiliary tools, the urinary catheter is easily pulled by the patient to cause the urethral injury;

3. the fixer base of the catheter is airtight, the material of the catheter is sensitized or skin pressure injury occurs when the catheter is contacted;

4. for patients without urine, whether the position of the pipeline is correct or not can not be determined, and the urethra is easy to damage.

The defects are inconvenient for introducing the urinary catheter, are easy to cause consumable waste, increase physiological pain and economic burden of a patient, increase medical safety risk factors and reduce satisfaction of the patient.

In summary, the present inventors have found that at least the following technical problems exist in the prior art:

the existing catheter has the problem that the urinary catheter is inconvenient to guide in use, so that the urinary tract injury of a patient is easily caused, the medical safety risk coefficient is increased, and the satisfaction degree of the patient is reduced.

Disclosure of Invention

The utility model aims to provide a catheter, which solves the technical problem that the conventional catheter is inconvenient to guide in when in use.

The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a catheter, which comprises a catheter body and a rotatable fixer; one end of the pipe body is a guide end, and the guide end is closed; the other end of the tube body is a urine receiving bag end which is open; a catheterization hole is formed in the pipe body and is adjacent to the guide end; along the length direction of the tube body, the tube body is sequentially provided with a urethral catheterization hole, an expansion positioner capable of controlling the size, a reserved sample branch pipe and a flushing branch pipe, wherein the urethral catheterization hole, the reserved sample branch pipe and the flushing branch pipe are communicated with the inside of the tube body; the expansion locator is disposed adjacent the catheterization hole; the fixer is detachably clamped on the pipe body and is arranged between the expansion locator and the stay sample branch pipe; a development area and scale marks are arranged on the tube body, and the development area is adjacent to the guide end; the scale marks are arranged along the length direction of the tube body, and the scale marks are arranged from the guide end to the branch pipe of the reserving and sampling book.

In one embodiment, the holder is disposed adjacent to the stay sample branch; the remaining sample branch pipe and the flushing branch pipe are respectively arranged on two opposite sides of the pipe body; a urine receiving one-way valve is arranged on the urine receiving bag end; the developing zone covers the tube from the leading end to the holder; in the development area, the lines of the scale marks are coated with a developing solution.

In one embodiment, an expansion medium channel is arranged in the pipe wall of the pipe body, a filling branch pipe is arranged on the pipe body, and the expansion medium channel is connected with the expansion positioner and the filling branch pipe.

In one embodiment, the expansion locator is a water bladder; the charging branch pipe is provided with a charging check valve; the filling branch pipe, the remaining sample branch pipe and the flushing branch pipe are arranged on different surfaces; the filling branch pipe is arranged between the flushing branch pipe and the urine receiving bag end.

In one embodiment, the axis of the pipe body is taken as the axis, and the interval angle between the axis of the filling branch pipe and the axis of the remaining sample branch pipe is 30-60 degrees, or the interval angle between the axis of the filling branch pipe and the axis of the flushing branch pipe is 30-60 degrees.

In one embodiment, the tail end of the left sample branch pipe is provided with a leakage-proof cap; and the flushing branch pipe is provided with a flushing check valve.

In one embodiment, the holder comprises a clamping seat, a rotating shaft and a dressing; a clamp is arranged on one side of the clamping seat and clamped on the pipe body; the other side of the clamping seat is provided with a round table, a column hole is formed in the round table, and a limit groove is formed in the column hole; a limiting piece is arranged at one end of the rotating shaft, which is inserted into the column hole, and is rotationally connected with the limiting groove; the other end of the rotating shaft, which is opposite to the limiting piece, is fixedly connected with the back surface of the dressing adhesive surface.

In one embodiment, the pipe body is further provided with a temporary fixing patch capable of rotating around the pipe body; the temporary fixing is stuck with a binding end which is rotationally connected with the pipe body, and the binding end is arranged between the stay sample branch pipe and the flushing branch pipe; the temporary fixing paste is provided with a skin-friendly adhesive surface, and the skin-friendly adhesive surface is arranged outside the binding end.

In one embodiment, the plurality of urethral catheterization holes are arranged, two pairs of urethral catheterization holes are arranged on two opposite sides of the tube body, and the two pairs of urethral catheterization holes are respectively arranged at 90 degrees around the axis of the tube body; the two pairs of urethral catheterization holes are respectively arranged on the two circumferential surfaces of the tube body.

In one embodiment, the guiding end of the pipe body to the expansion positioner is a silica gel section, a plurality of soft guide wires are arranged in a silica gel wall of the silica gel section, the soft guide wires are arranged along the length direction of the pipe body, and the soft guide wires are uniformly arranged around the axis of the silica gel section; the inner bottom surface of the guide end is provided with a fixing column which is used for fixing the position of the inserted hard guide wire.

The beneficial effects of the utility model are as follows:

because the tube body is provided with a development area and scale marks, the development area is adjacent to the guide end; the scale marks are arranged along the length direction of the tube body, and the scale marks are arranged from the guide end to the branch pipe of the reserved sample book; by arranging the developing area and the scale marks on the tube body, the guiding end of the tube body can be developed under imaging equipment when the tube body is guided in, so that the guiding path of the tube body during guiding is seen; the scales of the tube body which is not led into the bladder can be seen by matching with the scale marks arranged on the tube body, so that the length of the tube body which is led into the bladder is read; under the cooperation of the operation of leading-in the tube body, the development area and the scale mark enable medical staff to assist in judging whether the position of the path of the pipeline led into the bladder is correct when facing a patient without urine, can avoid the urethral injury caused in the leading-in tube body, reduce the medical safety risk and improve the satisfaction degree of the patient.

Further, the developing zone covers the tube from the leading end to the holder; in the development area, the lines of the scale marks are coated with developing solution; under the arrangement of lengthening the development range of the development area, when the tube body is led in, the development is updated from the point development of the guide end to the line development, so that the development range is effectively increased, and the movement path leading in the tube body can be developed more clearly; the scale lines are coated with developing solution, so that the length of a developing path of the tube body entering the bladder can be directly read out under the developing operation; the medical staff can be fully helped to judge the introduction degree more easily, and the safety and reliability of operation are improved.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall isometric assembly view of the present utility model;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 3 is an overall front assembly view of the present utility model;

FIG. 4 is a schematic view showing the overall structure of the developing region covered by the leading end to the holder according to the present utility model;

FIG. 5 is a schematic side cross-sectional view of the present utility model;

FIG. 6 is a partially enlarged schematic illustration of portion B of FIG. 5;

FIG. 7 is an enlarged schematic view of a portion C of FIG. 5;

fig. 8 is a schematic cross-sectional view of the present utility model taken along the axis of the charging manifold.

Wherein, the reference numerals are as follows:

1. a tube body; 11. a guide end; 12. a urine receiving bag end; 121. a urine receiving one-way valve; 13. a urine guiding hole; 14. a development region; 15. scale marks;

2. an expansion locator; 21. an expansion medium channel; 22. filling the branch pipes; 221. filling a one-way valve;

3. a sample branch pipe is left; 31. a leak-proof cap;

4. flushing the branch pipes; 41. flushing the one-way valve;

5. a holder; 51. a clamping seat; 511. a clip; 512. round bench; 513. a post hole; 514. a limit groove; 52. a rotating shaft; 521. a limiting piece; 53. dressing paste;

6. temporarily fixing the patch; 61. a binding end; 62. skin-friendly adhesive surface;

7. a silica gel section; 71. introducing soft wires;

8. and fixing the column.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

A first embodiment of a urinary catheter is shown in fig. 1 to 3, comprising a body 1 and a rotatable holder 5; one end of the pipe body 1 is a guide end 11, and the guide end 11 is closed; the other end of the tube body 1 is provided with a urine receiving bag end 12, and the urine receiving bag end 12 is opened; the catheter body 1 is provided with a catheterization hole 13, and the catheterization hole 13 is adjacent to the guide end 11; along the length direction of the tube body 1, the tube body 1 is sequentially provided with a urethral catheterization hole 13, an expansion positioner 2 with controllable size, a reserved sample branch pipe 3 and a flushing branch pipe 4, wherein the urethral catheterization hole 13, the reserved sample branch pipe 3 and the flushing branch pipe 4 are communicated with the inside of the tube body 1; the expansion locator 2 is arranged adjacent to the urethral catheterization hole 13; the fixer 5 is detachably clamped on the pipe body 1, and the fixer 5 is arranged between the expansion locator 2 and the stay sample branch pipe 3; a development area 14 and scale marks 15 are arranged on the tube body 1, and the development area 14 is adjacent to the guide end 11; the scale marks 15 are arranged along the length direction of the pipe body 1, and the scale marks 15 are arranged from the guide end 11 to the position of the sampling sample branch pipe 3.

In particular, urine receiving bag end 12 is used to attach a urine bag.

The beneficial effects are that: since the tube body 1 is provided with the development area 14 and the scale marks 15, the development area 14 is adjacent to the guide end 11; the scale marks 15 are arranged along the length direction of the pipe body 1, and the scale marks 15 are arranged from the guide end 11 to the position of the left sampling branch pipe 3; by arranging the development area 14 and the scale marks 15 on the tube body 1, when the tube body 1 is introduced, the guide end 11 of the tube body 1 can be developed under the imaging equipment, so that the guiding path of the tube body 1 during the introduction can be seen; the scale mark 15 arranged on the tube body 1 is matched, so that the scale mark of the tube body 1 which is not led into the bladder can be seen, and the length of the tube body 1 which is led into the bladder can be read; under the cooperation of the operation of the ingress pipe body 1, the development area 14 and the scale marks 15 enable medical staff to assist in judging whether the position of the path of the pipeline led into the bladder is correct when facing a patient without urine, so that the urethra injury caused in the ingress pipe body 1 can be avoided, the medical safety risk is reduced, and the satisfaction degree of the patient is improved.

Further, as an alternative embodiment,

with respect to the specific arrangement of the above-described holder 5, the stay sample branch pipe 3, the flushing branch pipe 4, the urine receiving bag end 12 and the development area 14, as shown in fig. 1 and 4, this embodiment is such that the holder 5 is arranged adjacent to the stay sample branch pipe 3; the left sample branch pipe 3 and the flushing branch pipe 4 are respectively arranged on two opposite sides of the pipe body 1; the urine receiving bag end 12 is provided with a urine receiving one-way valve 121; the development zone 14 covers the tubular body 1 from the leading end 11 to the holder 5; in the development area 14, the lines of the graduation marks 15 are coated with a developing solution.

The beneficial effects are that: the development zone 14 covers the tubular body 1 from the leading end 11 to the holder 5; in the developing area 14, the lines of the scale marks 15 are coated with developing solution; under the arrangement that the development area 14 is lengthened, when the pipe body 1 is led in, the development is updated from the point development of the guide end 11 to the line development, the development area is effectively increased, and the movement path of the leading-in pipe body 1 can be more clearly developed; the scale marks 15 are coated with developing solution, so that the length of a developing path of the tube body 1 entering the bladder can be directly read out under the developing operation; the medical staff can be fully helped to judge the introduction degree more easily, and the safety and reliability of operation are improved.

With respect to the specific control structure of the expansion locator 2, as shown in fig. 8, an expansion medium channel 21 is provided in the pipe wall of the pipe body 1, and a filling branch pipe 22 is provided on the pipe body 1, and the expansion medium channel 21 connects the expansion locator 2 and the filling branch pipe 22.

Further, in this embodiment, as shown in fig. 1 to 3, the expansion locator 2 is a water bag; the charging branch pipe 22 is provided with a charging check valve 221; the filling branch pipe 22 is arranged on the opposite surface of the remaining sample branch pipe 3 and the flushing branch pipe 4; the filling branch pipe 22 is arranged between the flushing branch pipe 4 and the urine receiving bag end 12.

Regarding the specific different-surface arrangement mode of the filling branch pipe 22, the axis of the pipe body 1 is taken as the axis, the interval angle between the axis of the filling branch pipe 22 and the axis of the sampling branch pipe 3 is 30-60 degrees, or the interval angle between the axis of the filling branch pipe 22 and the axis of the flushing branch pipe 4 is 30-60 degrees.

Regarding the above-mentioned structure for preventing the backflow of the liquid in the sample-reserving branch pipe and the flushing branch pipe 4, this embodiment is shown in FIG. 3, and a leak-proof cap 31 is provided at the end of the sample-reserving branch pipe 3; the flushing branch pipe 4 is provided with a flushing check valve 41.

With respect to the specific detachable clamping structure and the fixing structure of the above-mentioned holder 5, this embodiment is shown in fig. 3, 5 and 7, and the holder 5 includes a clamping seat 51, a rotating shaft 52 and a dressing 53; a clamp 511 is arranged on one side of the clamping seat 51, and the clamp 511 is clamped on the pipe body 1; the other side of the clamping seat 51 is provided with a round table 512, the round table 512 is provided with a column hole 513, and a limit groove 514 is arranged in the column hole 513; one end of the rotating shaft 52 inserted into the column hole 513 is provided with a limiting piece 521, and the limiting piece 521 is rotationally connected with the limiting groove 514; the other end of the rotating shaft 52 opposite to the limit piece 521 is fixedly connected with the back surface of the adhesive surface of the dressing 53.

In particular, the holder 5 is used for holding the tube 1, and the tube is stuck and fixed between the thighs of the patient through the dressing 53 so as to fix the position of the tube 1, wherein the holding seat 51 and the rotating shaft 52 are rotatable, so that the tube 1 can follow rotation when the patient acts, and the tube 1 which is led into the urethra and the urinary bladder is prevented from damaging the urethra.

Regarding the specific structure of the above-mentioned urine guiding hole 13, as shown in fig. 1 and 2, in this embodiment, the urine guiding hole 13 is provided with a plurality of urine guiding holes 13, and two urine guiding holes 13 disposed on two opposite sides of the tube body 1 are in a pair, and the two pairs of urine guiding holes 13 are respectively disposed at 90 degrees around the axis of the tube body 1; two pairs of urine guiding holes 13 are respectively arranged on two circumferential surfaces of the tube body 1.

The beneficial effects are that: the staggered arrangement of the two pairs of urethral catheterization holes 13 and the arrangement of the two pairs of urethral catheterization holes at different positions along the length direction of the catheter body 1 can effectively prevent the urethral catheterization holes 13 from being extruded and blocked by the inner wall of a urinary tract or a urinary bladder when the catheter body 1 is introduced; meanwhile, the plurality of urethral catheterization holes 13 are mutually arranged at 90 degrees, namely, the plurality of urethral catheterization holes 13 are uniformly distributed on the pipe wall of the circumferential pipe body 1, so that the stability of the catheterization speed can be improved, the empty sensation of the bladder of a patient during catheterization is reduced, the catheterization sensation of the patient is smoothly transited, and the comfort level of the patient is effectively improved.

A second embodiment of the catheter is shown in fig. 1, which differs from the first embodiment in that the catheter body 1 is further provided with a temporary fixation patch 6 rotatable around the catheter body 1; the temporary fixing patch 6 is provided with a binding end 61, the binding end 61 is rotatably connected with the pipe body 1, and the binding end 61 is arranged between the stay sample branch pipe 3 and the flushing branch pipe 4; the temporary fixing patch 6 is provided with a skin-friendly adhesive surface 62, and the skin-friendly adhesive surface 62 is arranged outside the binding end 61.

The beneficial effects are that: the temporary fixing patch 6 can increase the fixing effect of the catheter; for the convenience of medical staff, the temporary fixing paste 6 can be started to fix the section of the tube body 1 provided with a plurality of branch pipes when the branch pipe 22 is filled or the branch pipe 3 is left to be sampled or the branch pipe 4 is flushed, so that the tube body 1 can be excessively moved when the medical staff uses the branch pipe 22 or the branch pipe 3 is left to be sampled or the branch pipe 4 is flushed, thereby avoiding the action of leading the tube body 1 in the bladder and the urinary tract, avoiding the damage to the urinary tract and improving the medical safety.

A third embodiment of the catheter is shown in fig. 6, and the difference between this embodiment and the first embodiment is that the guiding end 11 of the tube body 1 and the expansion locator 2 are silica gel sections 7, a plurality of soft guiding wires 71 are arranged in the silica gel wall of the silica gel sections 7, the soft guiding wires 71 are arranged along the length direction of the tube body 1, and the soft guiding wires 71 are uniformly arranged around the axis of the silica gel sections 7; the inner bottom surface of the guide end 11 is provided with a fixing column 8, and the fixing column 8 is used for fixing the position of the inserted hard guide wire.

In particular, the silica gel of the silica gel section 7 is hydrophilic silica gel, and can be sufficiently lubricated at the time of introduction.

The beneficial effects are that: the arrangement of the silica gel section 7 can avoid the urethral injury caused by the guiding end 11 when the tube body 1 is guided by the flexibility of the silica gel; in order to increase the toughness of the introduction of the silica gel section 7 but to destroy the softness of the silica gel section 7, a plurality of introduction soft filaments 71 are inserted into the silica gel section 7.

Meanwhile, a fixed column 8 is arranged on the inner bottom surface of the guide end 11, so that a hard guide wire is used when necessary, and the fixed column 8 can ensure the insertion position of the hard guide wire; so that the hard guide wire is more uniform in the hand when the hard guide wire is introduced into the body 1.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A catheter is characterized in that,

comprises a tube body and a rotatable fixer;

one end of the pipe body is a guide end, and the guide end is closed; the other end of the tube body is a urine receiving bag end which is open;

a catheterization hole is formed in the pipe body and is adjacent to the guide end;

along the length direction of the tube body, the tube body is sequentially provided with a urethral catheterization hole, an expansion positioner capable of controlling the size, a reserved sample branch pipe and a flushing branch pipe, wherein the urethral catheterization hole, the reserved sample branch pipe and the flushing branch pipe are communicated with the inside of the tube body; the expansion locator is disposed adjacent the catheterization hole;

the fixer is detachably clamped on the pipe body and is arranged between the expansion locator and the stay sample branch pipe;

a development area and scale marks are arranged on the tube body, and the development area is adjacent to the guide end; the scale marks are arranged along the length direction of the tube body, and the scale marks are arranged from the guide end to the branch pipe of the reserving and sampling book.

2. The urinary catheter of claim 1, wherein the catheter,

the fixer is arranged adjacent to the stay sample branch pipe;

the remaining sample branch pipe and the flushing branch pipe are respectively arranged on two opposite sides of the pipe body; a urine receiving one-way valve is arranged on the urine receiving bag end;

the developing zone covers the tube from the leading end to the holder; in the development area, the lines of the scale marks are coated with a developing solution.

3. The urinary catheter of claim 2, wherein the catheter,

an expansion medium channel is arranged in the pipe wall of the pipe body, a filling branch pipe is arranged on the pipe body, and the expansion medium channel is connected with the expansion positioner and the filling branch pipe.

4. The urinary catheter of claim 3, wherein the catheter,

the expansion locator is a water bag; the charging branch pipe is provided with a charging check valve;

the filling branch pipe, the remaining sample branch pipe and the flushing branch pipe are arranged on different surfaces;

the filling branch pipe is arranged between the flushing branch pipe and the urine receiving bag end.

5. The urinary catheter of claim 4, wherein the catheter,

taking the axis of the pipe body as the axis, the interval angle between the axis of the filling branch pipe and the axis of the sampling branch pipe is 30-60 degrees, or the interval angle between the axis of the filling branch pipe and the axis of the flushing branch pipe is 30-60 degrees.

6. The urinary catheter of claim 2, wherein the catheter,

the tail end of the left sample branch pipe is provided with a leakage-proof cap;

and the flushing branch pipe is provided with a flushing check valve.

7. The urinary catheter of claim 2, wherein the catheter,

the fixer comprises a clamping seat, a rotating shaft and a dressing patch;

a clamp is arranged on one side of the clamping seat and clamped on the pipe body;

the other side of the clamping seat is provided with a round table, a column hole is formed in the round table, and a limit groove is formed in the column hole;

a limiting piece is arranged at one end of the rotating shaft, which is inserted into the column hole, and is rotationally connected with the limiting groove;

the other end of the rotating shaft, which is opposite to the limiting piece, is fixedly connected with the back surface of the dressing adhesive surface.

8. The urinary catheter of claim 7, wherein the catheter,

the pipe body is also provided with a temporary fixing patch which can rotate around the pipe body;

the temporary fixing is stuck with a binding end which is rotationally connected with the pipe body, and the binding end is arranged between the stay sample branch pipe and the flushing branch pipe;

the temporary fixing paste is provided with a skin-friendly adhesive surface, and the skin-friendly adhesive surface is arranged outside the binding end.

9. The urinary catheter of claim 1, wherein the catheter,

the catheter body is provided with a plurality of urethral catheterization holes, two pairs of urethral catheterization holes are arranged on two opposite sides of the catheter body, and the two pairs of urethral catheterization holes are respectively arranged at 90 degrees around the axis of the catheter body;

the two pairs of urethral catheterization holes are respectively arranged on the two circumferential surfaces of the tube body.

10. The urinary catheter of claim 1, wherein the catheter,

the guide end of the pipe body to the expansion locator are silica gel sections, a plurality of soft guide wires are arranged in the silica gel wall of each silica gel section, the soft guide wires are arranged along the length direction of the pipe body, and the soft guide wires are uniformly distributed around the axis of each silica gel section;

the inner bottom surface of the guide end is provided with a fixing column which is used for fixing the position of the inserted hard guide wire.