Urethral catheterization device and use method thereof
By setting up multiple dosing holes and cannulas on the outside of the catheter, combined with airbags and drug injection equipment, the problem of waste of drugs and poor treatment effects during traditional catheter administration is solved, and the partitioning of the urethra and bladder is achieved. Dosing drugs ensures that the drug can work effectively.
Patent Information
- Application Number
- CN202411294389.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2024-12-06
AI Technical Summary
Traditional catheters have problems with waste of drugs and the inability to stay in the urethra for a long time when administering drugs. They cannot be administered only to the urethra or bladder, resulting in poor drug treatment.
A catheter device is designed, including a catheter body, a cannula and a dosage hole. By setting multiple dosage holes on the outside of the catheter, and using a cannula and airbag to achieve partitioned drug delivery to the urethra and bladder. Combined with the injection equipment and negative pressure state, ensure that the drug can be administered slowly to the urethra or bladder and stayed for a long time.
Effective drug administration is achieved, drug waste is avoided, drug is not allowed, drug treatment is fully utilized, and the reliability and effectiveness of urethra and bladder administration is improved.
Smart Images
Figure CN119075150A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of medical devices, and in particular relates to a urinary catheterization device and a method of using the same. Background Art
[0002] Currently, patients undergoing surgical operations under general anesthesia usually need to have a urinary catheter inserted, but this usually causes great discomfort to the patients after waking up from anesthesia, especially for male patients who usually experience urinary urgency and / or urethral pain.
[0003] Traditional urinary catheters are usually used to temporarily drain urine after surgical operations. When treating urethral diseases, drugs usually need to be administered through the urethra. Traditional urinary catheters are poorly effective in urethral treatment, resulting in large amounts of drug waste and the inability of drugs to stay in the urethra for a long time.
[0004] In addition, when administering medication through a traditional urinary catheter, medication can only be administered to the urethra and bladder simultaneously, and cannot be administered to the urethra or bladder alone, thereby failing to ensure that the medication can fully exert its therapeutic effect. Summary of the invention
[0005] In view of the defects or shortcomings in the prior art, the present invention provides a urinary catheterization device and a method of using the same, which can avoid large drug waste when administering drugs to the urethra and ensure that the drugs can fully exert their therapeutic effects.
[0006] To achieve the above object, the present invention adopts the following technical solution: In the first aspect, an embodiment of the present invention provides a urinary catheter device, comprising a catheter body, comprising a dosing end and a connecting end, a plurality of first dosing holes are provided on the outer walls on both sides of the dosing end of the catheter body, a second dosing hole is provided on the outer wall of the end of the dosing end away from the connecting end, and the axes of the plurality of first dosing holes are perpendicular to the axes of the second dosing holes; a sleeve is provided on the outer side of the catheter body, the sleeve is rotatably connected to the catheter body, a plurality of third dosing holes and a plurality of fourth dosing holes are provided on the sleeve, the axes of the plurality of third dosing holes are parallel to the axes of the plurality of fourth dosing holes, the plurality of third dosing holes are arranged corresponding to the plurality of first dosing holes, and the fourth dosing holes are arranged corresponding to the second dosing holes.
[0007] Furthermore, the connecting end has a drug injection tube, a catheter tail tube and an inflation tube extending from the catheter body, and the catheter body is provided with a catheter inner tube, a drug administration inner tube and an inflation inner tube, the catheter inner tube is connected to the catheter tail tube, the drug administration inner tube is connected to the drug injection tube, and the inflation inner tube is connected to the inflation tube.
[0008] Furthermore, the drug administration inner tube comprises two first drug administration inner tubes arranged in parallel, the two first drug administration inner tubes are located on both sides of the urinary catheter inner tube, and the two first drug administration inner tubes are both connected to the drug injection tube.
[0009] Furthermore, multiple first dosing holes are symmetrically arranged on both sides of the outer wall of the dosing end of the catheter body, and the spacing between two adjacent first dosing holes is equal. The multiple first dosing holes on both sides of the outer wall of the dosing end of the catheter body are respectively arranged corresponding to the two first dosing inner tubes inside the catheter body, and the multiple first dosing holes are all connected to the first dosing inner tubes.
[0010] Furthermore, the drug administration inner tube also includes a second drug administration inner tube, the second drug administration inner tube is located outside the urinary catheter inner tube, and one end of the second drug administration inner tube is connected to the two first drug administration inner tubes.
[0011] Furthermore, a second medication hole is provided on the outer wall of the end of the connecting end of the catheter body, and the second medication hole is provided correspondingly to the second medication inner tube inside the catheter, and the second medication hole is communicated with the second medication inner tube.
[0012] Furthermore, one end of the sleeve is located on the side of the first medication hole close to the connection end, and the other end of the sleeve is located between the second medication hole and the end of the catheter body. Both ends of the sleeve are rotatably connected to the catheter body, and a seal is set between the sleeve body and the catheter body.
[0013] Furthermore, an airbag is sleeved on the outside of the sleeve, and the airbag is located between the third medication hole and the fourth medication hole. A first inflation hole is opened on the sleeve at a position corresponding to the airbag, and the first inflation hole is connected to the inside of the airbag.
[0014] Furthermore, a second inflation hole is arranged on the outer wall of the catheter body, the second inflation hole is arranged corresponding to the first inflation hole, and the second inflation hole is communicated with the inflation inner tube.
[0015] In a second aspect, an embodiment of the present invention further provides a method for using a urinary catheterization device, using the urinary catheterization device as described above, comprising the following steps: When in use, the catheter body is inserted into the urethra, the end of the catheter body is located in the bladder, the air pump is connected to the inflation tube, the air bag is inflated by the air pump, the catheter body is fixed in the urethra, and urine is discharged through the catheter inner tube and the catheter tail tube; When medication is required to be delivered to the urethra, the air bag is deflated by an air pump, and then the catheter body is rotated to connect the first medication holes with the third medication holes, and the air bag is inflated by the air pump again, and the catheter body is fixed. At this time, the medication injection device is connected to the medication injection tube, and the medication is slowly delivered to the urethra by the medication injection device; When medication needs to be administered to the bladder, the air bag is deflated using an air pump, and then the catheter body is rotated to connect the fourth medication hole with the second medication hole, and the air bag is inflated using the air pump again, and the catheter body is fixed. At this time, the medication injection device is connected to the medication injection tube, and the medication injection device is used to slowly administer medication to the bladder.
[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention arranges a sleeve on the outside of the inner body of the catheter, and opens a third medication hole and a fourth medication hole on the sleeve, so that the third medication hole is connected with the first medication hole, the fourth medication hole is adjacent to the second medication hole, and the axis of the third medication hole coincides with the axis of the fourth medication hole, so that medication can be administered only to the urethra or only to the bladder, thereby ensuring that the drug can fully exert its therapeutic effect.
[0017] 2. The present invention provides a first drug administration hole on the outside of the catheter body, and connects the first drug administration hole with the drug injection tube, and administers the drug to the urethra through the first drug administration hole and the drug injection tube, thereby ensuring that the drug can be directly administered to the urethra for treatment, allowing the drug to stay in the urethra for a long time, thereby avoiding drug waste.
[0018] 3. The present invention connects the injection tube to the injection device and sets the injection device to a negative pressure state, so that the drug can be slowly pumped into the vicinity of the urethra, thereby achieving a sustained release effect of the drug and reducing drug waste. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of the urinary catheterization device in the first embodiment of the present invention; Figure 2 This is a schematic diagram of the connection end structure in Embodiment 1 of the present invention; Figure 3 for Figure 2 Sectional view at DD; Figure 4 This is a schematic diagram of the structure of the drug delivery end in Example 1 of the present invention; Figure 5 for Figure 1 Sectional view at EE; Figure 6 for Figure 1 Cross-section at CC; Figure 7 for Figure 1 Cross-section at the middle BB; Figure 8 for Figure 1 Sectional view at AA; Fig. 9 This is a diagram showing the connection relationship between the drug injection device and the drug injection tube in the first embodiment of the present invention; Among them, 1. the main body of the catheter; 2. the drug delivery end; 3. the connecting end; 4. the drug injection tube; 5. the catheter tail tube; 6. the inflation tube; 7. the inner catheter tube; 8. the first drug delivery inner tube; 9. the inflation inner tube; 10. the first drug delivery connecting tube; 11. the first drug delivery hole; 12. the drug injection device; 13. the second drug delivery inner tube; 14. the second drug delivery connecting tube; 15. the second drug delivery hole; 16. the sleeve; 17. the knob; 18. the third drug delivery hole; 19. the fourth drug delivery hole; 20. the air bag; 21. the first inflation hole; 22. the second inflation hole. DETAILED DESCRIPTION
[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.
[0021] Embodiment 1 A typical implementation of the present invention is as follows Figure 1 and Figure 2 As shown, a urinary catheter device comprises a urinary catheter body 1, on which a drug administration end 2 and a connection end 3 are provided, and the connection end 3 comprises a drug injection tube 4, a urinary catheter tail tube 5 and an inflation tube 6 extending from the urinary catheter body 1, wherein the drug injection tube 4, the urinary catheter tail tube 5, the inflation tube 6 and the urinary catheter body 1 are all made of rubber material, and the drug injection tube 4 and the inflation tube 6 are located on both sides of the urinary catheter tail tube 5 and form a set angle with the urinary catheter tail tube 5.
[0022] like Figure 5 As shown, a urinary catheter inner tube 7, a drug administration inner tube and an inflation inner tube 9 are arranged in the urinary catheter body 1. The urinary catheter inner tube 7 is arranged at the axis of the urinary catheter body 1 and passes through the urinary catheter body 1. One end of the urinary catheter inner tube 7 is opened, and the other end is connected with the urinary catheter tail tube 5. When in use, the urinary catheter body 1 is inserted into the patient's urethra so that the open end of the urinary catheter inner tube 7 is located in the patient's bladder, so that the patient is catheterized by using the urinary catheter inner tube 7 and the urinary catheter tail tube 5.
[0023] like Figure 3 As shown, the drug administration inner tube includes two first drug administration inner tubes 8 arranged in parallel, the two first drug administration inner tubes 8 are located on both sides of the urinary catheter inner tube 7, and the two first drug administration inner tubes 8 are both connected to the injection tube 4. Specifically, two first drug administration connecting tubes 10 are arranged between the injection tube 4 and the first drug administration inner tube 8, one ends of the two first drug administration connecting tubes 10 are both connected to the injection tube 4, and the other ends of the two first drug administration connecting tubes 10 are respectively connected to the two first drug administration inner tubes 8, thereby realizing the connection between the injection tube 4 and the two first drug administration inner tubes 8.
[0024] like Figure 4As shown, a plurality of first dosing holes 11 are provided on the outer wall of the dosing end 2 of the catheter body 1, and the plurality of first dosing holes 11 are symmetrically provided on both sides of the outer wall of the dosing end 2 of the catheter body 1, and the spacing between two adjacent first dosing holes 11 is equal, and the plurality of first dosing holes 11 on both sides of the outer wall of the dosing end 2 of the catheter body 1 are respectively arranged corresponding to the two first dosing inner tubes 8 inside the catheter body 1, and the plurality of first dosing holes 11 are all connected with the first dosing inner tubes 8. When in use, after the catheter body 1 is inserted into the patient's urethra, the first dosing holes 11 are located in the patient's urethra, so that medication is directly administered to the patient's urethra through the first dosing holes 11.
[0025] like Fig. 9 As shown, the end of the injection tube 4 away from the first medication inner tube 8 is connected to the injection device 12. The injection device 12 adopts common medication injection equipment on the market, such as a pain pump, which can realize direct injection or sustained release injection of the drug, so that the drug can enter the first medication inner tube 8 through the injection tube 4, and be slowly pumped into the urethra through the multiple first medication holes 11 on both sides of the catheter body 1, so as to realize the sustained release effect of the drug, achieve the effect of continuous pain relief, and reduce drug waste.
[0026] like Figure 7 As shown, the drug administration inner tube also includes a second drug administration inner tube 13, which is located outside the urinary catheter inner tube 7, and one end of the second drug administration inner tube 13 is connected to the two first drug administration inner tubes 8. Specifically, two second drug administration connecting tubes 14 are arranged between the second drug administration inner tube 13 and the two first drug administration inner tubes 8, and one end of the two second drug administration connecting tubes 14 are both connected to the second drug administration inner tube 13, and the other ends of the two second drug administration connecting tubes 14 are respectively connected to the two first drug administration inner tubes 8, thereby realizing the connection between the two first drug administration inner tubes 8 and the second drug administration inner tube 13.
[0027] A second medication hole 15 is provided on the outer wall of the end portion of the medication end 2 of the catheter body 1. The second medication hole 15 is arranged corresponding to the second medication inner tube 13 inside the catheter body 1, and the second medication hole 15 is connected to the second medication inner tube 13. When in use, after the catheter body 1 is inserted into the patient's urethra, the second medication hole 15 is located in the patient's bladder, so that medication is directly administered to the patient's bladder through the second medication hole 15.
[0028] The first dosing hole 11 and the second dosing hole 15 are connected through the first dosing inner tube 8 and the second dosing inner tube 13 as well as the injection tube 4 and the injection device 12 respectively, so that the first dosing hole 11 is used to administer the drug to the urethra, and the second dosing hole 15 is used to administer the drug to the bladder, thereby ensuring that the drug can be effectively administered to the urethra and bladder for treatment and improving the reliability and effect of drug administration.
[0029] like Figure 1As shown, a sleeve 16 is further provided on the outside of the catheter body 1, and the sleeve 16 is sleeved on the outside of the catheter body 1, one end of the sleeve 16 is located on the side of the first medication hole 11 close to the connecting end 3, and the other end of the sleeve 16 is located between the second medication hole 15 and the end of the catheter body 1, both ends of the sleeve 16 are rotatably connected to the catheter body 1, and the two ends of the sleeve 16 are sealed with the catheter body 1.
[0030] Specifically, a knob 17 is fixedly connected to one end of the sleeve 16 near the connecting end 3, and the knob 17 is sleeved on the outside of the catheter body 1. A first annular groove is provided on the inner wall of the knob 17, and the cross-section of the first annular groove is T-shaped. A first annular protrusion is provided at a position corresponding to the first annular groove on the outer wall of the catheter body 1, and the first annular protrusion is adapted to the first annular groove, so that the knob 17 is rotatably connected to the catheter body 1 by utilizing the first annular groove and the first annular protrusion.
[0031] The end of the sleeve 16 away from the knob 17 is fixedly connected with a swivel, and the swivel is sleeved on the outside of the catheter body 1. A second annular groove is provided on the inner wall of the swivel, and the cross-section of the second annular groove is T-shaped. A second annular protrusion is provided at a position corresponding to the second annular groove on the outer wall of the catheter inner body 1, and the second annular protrusion is adapted to the second annular groove, so that the swivel and the catheter body 1 are rotatably connected by the second annular groove and the second annular protrusion.
[0032] When in use, one hand holds the knob 17 and the other hand rotates the catheter body 1 , thereby achieving relative rotation between the sleeve 16 and the catheter body 1 .
[0033] like Figure 6 and Figure 8 As shown, the outer wall of the sleeve 16 is provided with a plurality of third medication holes 18, and the plurality of third medication holes 18 are arranged one-to-one with the first medication hole 11. The outer wall of the sleeve 16 is also provided with a fourth medication hole 19, and the fourth medication holes 19 are provided with two, and the two fourth medication holes 19 are symmetrically arranged, and the fourth medication hole 19 is arranged corresponding to the second medication hole 15. Since the axis of the third medication hole 18 is arranged parallel to the axis of the fourth medication hole 19, and the axis of the first medication hole 11 is arranged perpendicular to the axis of the second medication hole 15, the sleeve 16 on the outside of the catheter body 1 is rotated. When the plurality of third medication holes 18 are connected with the plurality of first medication holes 11, the fourth medication hole 19 is not connected with the second medication hole 15, thereby blocking the second medication hole 15, so as to administer the drug to the urethra through the first medication hole 11.
[0034] The catheter body 1 is rotated, and when the fourth medication hole 19 is connected to the second medication hole 15 , the outer wall of the sleeve 16 blocks the plurality of first medication holes 11 , so that medication is administered to the bladder through the second medication holes 15 .
[0035] The knob 17 is provided with a first mark, which can mark the positions of the third medication hole 18 and the fourth medication hole 19 on the sleeve 16. The outer wall of the catheter body 1 is provided with a second mark near the knob 17, which can mark the positions of the first medication hole 11 and the second medication hole 15 on the catheter body 1, so that when rotating, the sleeve 16 can be easily aligned with the medication holes on the catheter body 1 using the first mark and the second mark.
[0036] like Figure 1 and Figure 7 As shown, an airbag 20 is also sleeved on the outside of the sleeve 16, and the airbag 20 is located between the third dosing hole 18 and the fourth dosing hole 19. A first inflation hole 21 is opened on the sleeve 16 at a position corresponding to the airbag 20, and the first inflation hole 21 is connected to the inside of the airbag 20.
[0037] A second inflation hole 22 is provided on the outer wall of the catheter body 1, and the second inflation hole 22 is provided corresponding to the first inflation hole 21. An inflation inner tube 9 is provided inside the catheter body 1, and the inflation inner tube 9 is located on one side of the catheter inner tube 7. One end of the inflation inner tube 9 is connected to the inflation tube 6, and the other end is connected to the second inflation hole 22. The end of the inflation tube 6 away from the inflation inner tube 9 is connected to the air pump, so that air is inflated into the airbag 20 through the inflation tube 6, the inflation inner tube 9, the second inflation hole 22 and the first inflation hole 21, so that the catheter body 1 can be fixed in the urethra by the airbag 20 to prevent it from falling off.
[0038] Embodiment 2 This embodiment provides a method for using a urinary catheterization device, using a urinary catheterization device as described in the first embodiment, comprising the following steps: When in use, the catheter body is inserted into the urethra, the end of the catheter body is located in the bladder, the air pump is connected to the inflation tube, the air bag is inflated by the air pump, the catheter body is fixed in the urethra, and urine is discharged through the catheter inner tube and the catheter tail tube; When medication is required to be delivered to the urethra, the air bag is deflated by an air pump, and then the catheter body is rotated to connect the first medication holes with the third medication holes, and the air bag is inflated by the air pump again, and the catheter body is fixed. At this time, the medication injection device is connected to the medication injection tube, and the medication is slowly delivered to the urethra by the medication injection device; When medication needs to be administered to the bladder, the air bag is deflated using an air pump, and then the catheter body is rotated to connect the fourth medication hole with the second medication hole, and the air bag is inflated using the air pump again, and the catheter body is fixed. At this time, the medication injection device is connected to the medication injection tube, and the medication injection device is used to slowly administer medication to the bladder.
[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A urinary catheterization device, It is characterized in that The catheter comprises a main body, a drug delivery end and a connecting end, a plurality of first drug delivery holes are provided on the outer walls on both sides of the drug delivery end of the main body of the catheter, a second drug delivery hole is provided on the outer wall of the end of the drug delivery end away from the connecting end, and the axes of the plurality of first drug delivery holes and the axes of the second drug delivery holes are perpendicular to each other; A sleeve is sleeved on the outside of the catheter body, and the sleeve is rotatably connected to the catheter body. A plurality of third dosing holes and a plurality of fourth dosing holes are opened on the sleeve, and the axes of the plurality of third dosing holes are parallel to the axes of the plurality of fourth dosing holes. The plurality of third dosing holes are arranged correspondingly to the plurality of first dosing holes, and the fourth dosing holes are arranged correspondingly to the second dosing holes.
2. A urinary catheterization device as claimed in claim 1, It is characterized in that The connecting end has a drug injection tube, a catheter tail tube and an inflation tube extending from the catheter body. The catheter body is provided with a catheter inner tube, a drug administration inner tube and an inflation inner tube. The catheter inner tube is connected to the catheter tail tube, the drug administration inner tube is connected to the drug injection tube, and the inflation inner tube is connected to the inflation tube.
3. A urinary catheterization device as claimed in claim 2, It is characterized in that The drug administration inner tube comprises two first drug administration inner tubes arranged in parallel, the two first drug administration inner tubes are located on both sides of the urinary catheter inner tube, and the two first drug administration inner tubes are both connected to the drug injection tube.
4. A urinary catheterization device as claimed in claim 3, It is characterized in that Multiple first dosing holes are symmetrically arranged on both sides of the outer wall of the dosing end of the catheter body, and the spacing between two adjacent first dosing holes is equal. The multiple first dosing holes on both sides of the outer wall of the dosing end of the catheter body are respectively arranged corresponding to the two first dosing inner tubes inside the catheter body, and the multiple first dosing holes are all connected to the first dosing inner tubes.
5. A urinary catheterization device as claimed in claim 4, It is characterized in that The drug administration inner tube also includes a second drug administration inner tube, which is located outside the urinary catheter inner tube, and one end of the second drug administration inner tube is connected to the two first drug administration inner tubes.
6. A urinary catheterization device as claimed in claim 5, It is characterized in that A second medication hole is provided on the outer wall of the end of the connection end of the catheter body. The second medication hole is arranged corresponding to the second medication inner tube inside the catheter, and the second medication hole is communicated with the second medication inner tube.
7. A urinary catheterization device as claimed in claim 6, It is characterized in that One end of the sleeve is located on the side of the first medication hole close to the connection end, and the other end of the sleeve is located between the second medication hole and the end of the catheter body. Both ends of the sleeve are rotatably connected to the catheter body, and a seal is set between the sleeve body and the catheter body.
8. A urinary catheterization device as claimed in claim 1, It is characterized in that An airbag is also sleeved on the outside of the sleeve, and the airbag is located between the third medication hole and the fourth medication hole. A first inflation hole is opened on the sleeve at a position corresponding to the airbag, and the first inflation hole is connected to the inside of the airbag.
9. A urinary catheterization device as claimed in claim 8, It is characterized in that A second inflation hole is arranged on the outer wall of the catheter body, the second inflation hole is arranged corresponding to the first inflation hole, and the second inflation hole is communicated with the inflation inner tube.
10. A method for using a urinary catheterization device, using the urinary catheterization device according to any one of claims 1 to 9, It is characterized in that The following steps are involved: When in use, the catheter body is inserted into the urethra, the end of the catheter body is located in the bladder, the air pump is connected to the inflation tube, the air bag is inflated by the air pump, the catheter body is fixed in the urethra, and urine is discharged through the catheter inner tube and the catheter tail tube; When medication is required to be delivered to the urethra, the air bag is deflated by an air pump, and then the catheter body is rotated to connect the first medication holes with the third medication holes, and the air bag is inflated by the air pump again, and the catheter body is fixed. At this time, the medication injection device is connected to the medication injection tube, and the medication is slowly delivered to the urethra by the medication injection device; When medication needs to be administered to the bladder, the air bag is deflated using an air pump, and then the catheter body is rotated to connect the fourth medication hole with the second medication hole, and the air bag is inflated using the air pump again, and the catheter body is fixed. At this time, the medication injection device is connected to the medication injection tube, and the medication injection device is used to slowly administer medication to the bladder.