CN212547922U - Catheter with medicine guiding function - Google Patents
Catheter with medicine guiding function Download PDFInfo
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- CN212547922U CN212547922U CN202021730761.XU CN202021730761U CN212547922U CN 212547922 U CN212547922 U CN 212547922U CN 202021730761 U CN202021730761 U CN 202021730761U CN 212547922 U CN212547922 U CN 212547922U
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- catheter
- cavity
- urethral catheterization
- catheterization
- administration
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Abstract
The utility model discloses a catheter with medicine guide function, include: a body having a catheterization cavity for catheterization and a drug administration cavity for drug administration; the fixing part is arranged at one end of the body; the urethral catheterization opening is arranged on the body and communicated with the urethral catheterization cavity; the administration port is arranged on the body and is used for administering the drug to the bladder cavity; the urethral catheterization hole is formed in the position, far away from the fixing part, of the body and can be communicated with the urethral catheterization cavity and the inner wall of the urethra; use the utility model discloses a, catheter with medicine guide function can make the medicine can more direct action on the urethra inner wall, and can the synchronization action bladder, makes whole lower urinary tract infection can synchronous treatment. The utility model can effectively avoid the urinary tract persistent infection caused by the difficulty of urinary tract administration, thereby avoiding the risk of cystitis caused by ascending infection; can reduce the dosage of antibiotic system and the generation of drug resistance.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to catheter with medicine guide function.
Background
Urinary Tract Infection (UTI), which is inflammation caused by pathogens growing and propagating in the urinary tract and invading the mucous membrane or tissue of the urinary tract, is one of the most common bacterial infections, and is classified into upper urinary tract infection and lower urinary tract infection, including urethritis and cystitis. The clinical upper and lower urinary tract infection mainly adopts antibiotic injection, oral administration and catheter administration modes.
In the middle of current catheter, generally can be through the chamber of dosing that sets up in the middle of the catheter for the intravesical medicine of dosing, carry the medicine to the bladder inside, because the catheter hugs closely with the urethra inner wall, when needs are given the urethra medicine of carrying, the medicine that gets into the bladder is difficult to act on the urethra through the gap between catheter and the urethra, causes the urethra difficulty of dosing. However, as cystitis usually results from ascending infection of pathogenic bacteria in urethra, urethra infection cannot be treated synchronously with bladder infection due to difficulty in urethra administration, so that repeated infection or drug resistance occurs.
At present, for external anti-infection of urethra, except for catheter administration, other forms of administration modes are not found, and thus far, the mode is still a clinical big pain point.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a catheter with medicine guide function can make the medicine can direct action on the urethra inner wall, and can the synchronization action bladder, makes whole lower urinary tract infection can synchronous treatment. The utility model can effectively avoid the urinary tract persistent infection caused by the difficulty of urinary tract administration, thereby avoiding the risk of cystitis caused by ascending infection; can reduce the dosage of antibiotic system and the generation of drug resistance.
The utility model discloses a catheter with medicine guide function, include: a body having a catheterization cavity for catheterization and a drug administration cavity for drug administration; the fixing part is arranged at one end of the body; the urethral catheterization opening is arranged on the body and communicated with the urethral catheterization cavity; the administration port is arranged on the body and is used for administering the drug to the bladder cavity; the urethral catheterization hole is opened in the position that the fixed part was kept away from to the body, and the urethral catheterization hole can communicate catheterization chamber and urethra inner wall.
Further, the administration port and the urethral catheterization hole are respectively arranged at two sides of the urethral catheterization hole.
Further, the administration lumen and the catheterization lumen are independent of each other.
Further, the body is provided with a third connector, and the third connector is communicated with the medicine guide cavity.
Further, a first joint is arranged at a position, on one side of the third joint, of the body and communicated with the urethral catheterization cavity.
Furthermore, a plurality of urethral catheterization holes are formed in the body and are distributed along the axial direction of the body.
Further, a plurality of urethral catheterization holes are distributed along the circumference of the body.
Further, the diameter a of the catheterization hole and the diameter d of the catheterization cavity satisfy 0.01mm < a <0.3 d.
Further, the fixed part is including setting up the sacculus in body one end, this internal have with the pouring into chamber of sacculus intercommunication, pour into chamber and catheterization chamber mutual independence.
Further, the sacculus is C shape sacculus, and the catheterization mouth is located C shape sacculus's breach.
Use the utility model discloses a catheter with medicine guide function, after putting the pipe installation in place, can be through dosing the chamber and dosing the mouth, inject the medicine in the middle of the bladder inner chamber, make medicine and the urine in the middle of the bladder mix, then the urine passes through the catheterization mouth and gets into in the middle of the catheterization chamber, when the urine flows through the catheterization hole, can flow out on the urethra inner wall along the catheterization hole, the medicine of mixing in the middle of the urine this moment can directly be used in on the urethra inner wall, the condition that the medicine is difficult to direct action on the urethra inner wall has effectively been improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a urinary catheter according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic view of another urinary catheter in an embodiment of the invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view taken at I in FIG. 3;
FIG. 6 is a partial isometric view of another urinary catheter in an embodiment of the invention;
the above figures contain the following reference numerals.
| Reference numerals | Name (R) |
| 100 | |
| 110 | |
| 120 | |
| 130 | |
| 140 | Urethral catheterization hole |
| 200 | C- |
| 210 | |
| 220 | |
| 310 | |
| 320 | |
| 330 | Third joint |
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, 3, and 5, the antimicrobial urinary catheter of the present embodiment includes: a body 100 having a catheterization cavity 110 for catheterization and a catheterization port 220 communicating with the catheterization cavity 110; a fixing part disposed at one end of the body 100; the position of the main body 100 far away from the urethral catheterization opening 220 is provided with a urethral catheterization hole 140, and the urethral catheterization hole 140 can communicate the urethral catheterization cavity 110 with the inner wall of the urethra.
Use the antibiotic catheter of this embodiment, when using, can insert the catheter along the urethra, and lead to the fixed part fixed with the catheter, the urine of storing in the middle of the bladder inner chamber passes through catheterization mouth 220 and gets into in the middle of the catheterization chamber 110 this moment, when urine flows through catheterization hole 140, can flow out and flow in on the urethra inner wall in the middle of the catheterization hole 140, secrete on the urethra inner wall is washed away, secretion and the accumulational condition of bacterium on the urethra inner wall have effectively been improved, patient's urethra inflammation's possibility has been reduced, the catheterization pipe outer wall need not to set up antibiotic coating simultaneously, when guaranteeing antibiotic effect, the cost of coating antibiotic coating has effectively been practiced thrift.
Wherein, the fixed part can be through multiple mode with antibiotic catheter fix in the middle of the urethra, for example through setting up structures such as sucking disc or suction nozzle for the catheter can adsorb at urethra inner wall, perhaps through structures such as gasbag or liquid bag, makes the pipe can block in the regional department of urinating of bladder inner wall.
Further, in order to enhance the washing effect on each part of the urethra, the body 100 is provided with a plurality of urethral catheterization holes 140, and the urethral catheterization holes 140 are distributed along the axial direction of the body 100.
On the other hand, in order to make the circumferential washing of the inner wall of the urethra uniform, a plurality of urethral holes 140 are distributed along the circumferential direction of the body 100.
As shown in figures 4 and 5, in order to ensure that urine can seep through the urine guide hole 140 and avoid the phenomenon that the diameter of the urine guide hole 140 is too large to affect the strength of the urinary catheter, the diameter a of the urine guide hole 140 and the diameter d of the urinary catheter cavity 110 satisfy the condition that 0.01mm < a <0.3 d.
As shown in fig. 2, 4 and 6, the fixing part includes a balloon disposed at one end of the body 100, a perfusion cavity 120 communicated with the balloon is disposed in the body 100, and the perfusion cavity 120 and the catheterization cavity 110 are independent from each other; after the ureter inserts among the urethra, can be through filling chamber 120, aerify or towards the liquid to the sacculus for the sacculus can block in the region of urinating of bladder inner wall, when the catheter is demolishd to needs, can discharge the gas or the liquid of filling in the sacculus through filling chamber 120, then take out the catheter can.
In order to facilitate the discharge of urine, the end of the body 100 away from the balloon is provided with a second connector 320, and the second connector 320 is communicated with the urinary catheterization cavity 110.
As shown in fig. 6, the fixing part is provided with a notch at one side of the body 100, the urine guide port 220 is located in the notch, and at this time, because the urine guide port 220 is hidden in the notch, the body 100 does not need to pass through the fixing part and extend into the bladder, thereby effectively reducing the stimulation of the bladder wall reflection area caused by the part of the body 100 extending into the bladder, and reducing the possibility of urine leakage of a patient.
Specifically, the fixing portion includes a C-shaped balloon 200 disposed at one end of the body 100, and the urethral opening 220 is located at a notch of the C-shaped balloon 200.
In order to inflate the C-shaped balloon 200, a second connector 320 is arranged at one end of the body 100 away from the C-shaped balloon 200, and the second connector 320 is communicated with the perfusion cavity 120; when the air pump is used for inflation, the air pump is started by connecting the second connector 320 to the air pump.
The urinary catheter capable of reducing bladder wall irritation of the present embodiment comprises: a body 100 having a catheterization cavity 110 for catheterization; the fixing part is arranged at one end of the body 100, and a notch is arranged at the position, located at one side of the body 100, of the fixing part; the urethral catheterization opening 220 is arranged on the body 100 and communicated with the urethral catheterization cavity 110, and the urethral catheterization opening 220 is positioned inside the gap.
When the catheter capable of reducing the stimulation of the bladder wall is applied, the catheter can be put into the urethra along the urethra, the fixing part is abutted against the inner wall of the bladder, and at the moment, urine in the bladder enters the urethral catheterization cavity 110 through the urethral catheterization opening 220 in the gap; because the urethral catheterization opening 220 is arranged in the gap of the fixing part, the catheter does not need to penetrate through the fixing part and go deep into the bladder, thereby effectively improving the condition that the catheter easily stimulates the reflecting area of the inner wall of the bladder to cause frequent urination of patients and urine leakage.
Further, the fixing portion includes a C-shaped balloon 200 disposed at one end of the body 100, and the urethral opening 220 is located at a gap of the C-shaped balloon 200; at this time, because the urethral orifice 220 is hidden in the gap, the body 100 does not need to pass through the fixing part and extend into the bladder, thereby effectively reducing the stimulation of the bladder wall reflecting area caused by the part of the body 100 extending into the bladder and reducing the possibility of urine leakage of the patient.
In order to inflate the balloon, the body 100 is provided with an infusion cavity 120 therein, and the infusion cavity 120 is communicated with the inner cavity of the C-shaped balloon 200.
Wherein, in order to make the liquid medicine introduced into the bladder better mix with urine, the administration port 210 and the urethral catheterization hole 140 are respectively arranged at two sides of the urethral catheterization hole 140; at this time, it can be ensured that the urine discharged into the urine guide port 220 is the urine mixed with the medicine discharged from the medicine guide port.
As shown in fig. 3, the body 100 is provided with a first connector 310 at a position on one side of the second connector 320, and the first connector 310 is communicated with the urinary catheterization cavity 110.
Wherein, the catheter that can reduce the stimulus of bladder wall of this embodiment still includes: a dosing cavity 130 opened inside the body 100; an administration port 210 which is opened on the body 100 and is used for administering medicine to the bladder cavity; at this time, the drug can be discharged from the administration port 210 into the bladder through the administration lumen 130.
Further, a urethral catheterization hole 140 is formed in the position of the body 100 away from the fixing part, and the urethral catheterization hole 140 is communicated with the urethral catheterization cavity 110; at this time, the medicine is mixed with the urine in the bladder cavity and enters the urethral catheterization cavity 110 along the urethral catheterization opening 220, and when the urine flows through the urethral catheterization hole 140, the urine can directly flow onto the inner wall of the urethra through the urethral hole 140, so that the medicine directly acts on the inner wall of the urethra.
As shown in FIG. 4, the administration lumen 130 and the drainage lumen 110 are independent of each other; at the moment, the situation that the liquid medicine which does not enter the bladder is flushed out by the discharged urine can be avoided, and the waste of the liquid medicine is caused.
The present embodiment also provides a catheter with drug delivery function, including: a body 100 having a catheterization cavity 110 for catheterization and an administration cavity 130 for administration of a drug; a fixing part disposed at one end of the body 100; a urethral catheterization opening 220 which is arranged on the body 100 and communicated with the urethral catheterization cavity 110; an administration port 210 which is opened on the body 100 and is used for administering medicine to the bladder cavity; the urethral catheterization hole 140 is opened at a position of the body 100 far away from the fixing part, and the urethral catheterization hole 140 can communicate the urethral catheterization cavity 110 with the inner wall of the urethra.
Use the catheter that has medicine guide function of this embodiment, after putting the pipe installation in place, can be through dosing chamber 130 and dosing port 210, inject the medicine in the middle of the bladder inner chamber, make medicine and the urine in the middle of the bladder mix, then the urine passes through in the middle of catheterization mouth 220 entering catheterization chamber 110, when urine flow through catheterization hole 140, can flow out on the urethra inner wall along catheterization hole 140, the medicine of mixing in the middle of the urine this moment can directly be used in the urethra inner wall, the condition that the medicine is difficult to the direct action on urethra inner wall has effectively been improved.
As shown in fig. 3, a third joint 330 is arranged on the body 100, and the third joint 330 is communicated with the medicine guide cavity; at this time, the drug may be injected into the bladder through the third connector 330.
Specifically, a first joint 310 is provided on the body 100 at a position on the side of the third joint 330, and the first joint 310 communicates with the urinary catheterization cavity 110.
As shown in fig. 3 and 5, the body 100 is provided with a plurality of urine guide holes 140, and the plurality of urine guide holes 140 are distributed along the axial direction and/or the axial direction of the body 100; the urine mixed with the medicine can uniformly act on the inner wall of the urethra along the urethral catheterization holes 140 which are axially and/or circumferentially distributed.
In order to avoid the waste of the liquid medicine caused by the urine washing out the liquid medicine which does not enter the bladder, the administration cavity 130 and the catheterization cavity 110 are independent.
As shown in figures 3 to 6, the catheter of the present embodiment can combine the above features to form a multifunctional catheter with antibacterial and drug delivery functions and reduced irritation to bladder wall.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A catheter with a drug delivery function, comprising:
a body (100) having a catheterization cavity (110) for catheterization and an administration cavity (130) for administration of a drug;
a fixing part provided at one end of the body (100);
the urethral catheterization opening (220) is arranged on the body (100) and communicated with the urethral catheterization cavity (110);
the administration port (210) is arranged on the body (100) and is used for administering the drug to the bladder inner cavity;
the urethral catheterization hole (140) is arranged at a position, far away from the fixing part, of the body (100), and the urethral catheterization hole (140) can be communicated with the urethral catheterization cavity (110) and the inner wall of the urethra.
2. The catheter with the drug delivery function according to claim 1, wherein the administration port (210) and the urethral catheterization hole (140) are opened on both sides of the urethral catheterization hole (140), respectively.
3. The urinary catheter with the drug delivery function according to claim 2, wherein the administration lumen (130) and the urinary catheter lumen (110) are independent from each other.
4. The catheter with the drug guiding function according to claim 3, wherein a third joint (330) is arranged on the body (100), and the third joint (330) is communicated with the drug guiding cavity.
5. The catheter with the function of guiding the medicine according to claim 4, wherein a first joint (310) is arranged on the body (100) at a position on one side of the third joint (330), and the first joint (310) is communicated with the urethral catheterization cavity (110).
6. The catheter with the function of guiding the medicine according to claim 1, wherein a plurality of the urethral catheterization holes (140) are formed in the body (100), and the urethral catheterization holes (140) are distributed along the axial direction of the body (100).
7. The catheter with the drug guiding function according to claim 6, wherein a plurality of the catheter holes (140) are distributed along a circumferential direction of the body (100).
8. The catheter with the drug delivery function according to claim 7, wherein a diameter a of the catheter hole (140) and a diameter d of the catheter lumen (110) satisfy 0.01mm < a <0.3 d.
9. The catheter with the function of guiding the medicine according to claim 1, wherein the fixing part comprises a balloon arranged at one end of the body (100), the body (100) is internally provided with an infusion cavity (120) communicated with the balloon, and the infusion cavity (120) and the urethral catheterization cavity (110) are independent.
10. The catheter with drug delivery function according to claim 9, wherein the balloon is a C-shaped balloon (200), and the catheter port (220) is located at a notch of the C-shaped balloon (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021730761.XU CN212547922U (en) | 2020-08-18 | 2020-08-18 | Catheter with medicine guiding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021730761.XU CN212547922U (en) | 2020-08-18 | 2020-08-18 | Catheter with medicine guiding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212547922U true CN212547922U (en) | 2021-02-19 |
Family
ID=74626580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021730761.XU Active CN212547922U (en) | 2020-08-18 | 2020-08-18 | Catheter with medicine guiding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212547922U (en) |
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2020
- 2020-08-18 CN CN202021730761.XU patent/CN212547922U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |