CN221243599U - Medical catheter - Google Patents
Medical catheter Download PDFInfo
- Publication number
- CN221243599U CN221243599U CN202420199779.3U CN202420199779U CN221243599U CN 221243599 U CN221243599 U CN 221243599U CN 202420199779 U CN202420199779 U CN 202420199779U CN 221243599 U CN221243599 U CN 221243599U
- Authority
- CN
- China
- Prior art keywords
- tube
- pressure measuring
- inflatable
- pressure
- inner tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 238000003780 insertion Methods 0.000 claims abstract description 16
- 230000037431 insertion Effects 0.000 claims abstract description 16
- 230000003115 biocidal effect Effects 0.000 claims abstract description 10
- 230000002485 urinary effect Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 210000002700 urine Anatomy 0.000 claims description 8
- 230000000845 anti-microbial effect Effects 0.000 claims description 3
- 229960000564 nitrofurantoin Drugs 0.000 claims description 3
- NXFQHRVNIOXGAQ-YCRREMRBSA-N nitrofurantoin Chemical compound O1C([N+](=O)[O-])=CC=C1\C=N\N1C(=O)NC(=O)C1 NXFQHRVNIOXGAQ-YCRREMRBSA-N 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 17
- 208000015181 infectious disease Diseases 0.000 abstract description 5
- 230000036724 intravesical pressure Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 208000032840 Catheter-Related Infections Diseases 0.000 description 2
- 206010064687 Device related infection Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a medical catheter, which comprises a catheter body, wherein the catheter body comprises an outer tube and an inner tube, the insertion end of the catheter body is provided with a catheter opening, the inner tube is provided with a mesh layer at the insertion section, an antibacterial cavity is formed between the mesh layer and the inner tube, the antibacterial cavity is provided with an antibacterial coating on the inner tube, the clamping section is provided with a clamping bag part, the inner tube is provided with an air charging channel and a pressure measuring channel which are communicated with the clamping bag part at the clamping section and the liquid outlet section, the air inlet of the air charging channel is provided with an air charging structure, and the air outlet of the pressure measuring channel is provided with a pressure measuring mechanism. Through setting up antibiotic coating at the interject of pipe shaft, can reduce the relevant infection of urinary catheter, simultaneously through setting up network structure on antibiotic coating, can be more friendly to sensitive crowd, when the intravesical pressure changes simultaneously, the pressure that acts on the card bubble of joint will change, and pressure change can carry out real-time change monitoring through the pressure gauge to timely understanding intra-abdominal bladder pressure.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an antibacterial medical catheter.
Background
The catheter is a medical treatment device for guiding urine out of the bladder, the catheter is generally kept for a certain time during use, and the catheter related infection can be found to occur during the keeping process during clinical use, which can certainly increase the pain degree of patients and bring additional problems to treatment.
In order to solve the above problems, in the chinese patent document with application number CN202020895319.6, bacteria are inhibited from causing infection by arranging an antibacterial coating in the catheter, but the disadvantage of this solution is that the antibacterial coating is arranged in the whole catheter, meaning at the urine outlet end of the catheter is not great, which is easy to cause waste of antibacterial raw materials, and a large amount of antibiotic drugs are used, which is also not friendly to people sensitive to the antibiotic drugs, so there is a need for a catheter which can reduce catheter related infection and flexibly ensure comfort of patients.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing the medical catheter, and the mesh-shaped degerming structure is arranged at the insertion end of the catheter to reduce infection and improve the comfort level of patients during use.
To achieve the purpose, the utility model adopts the following technical scheme:
The utility model provides a medical catheter, which comprises a catheter body, wherein the catheter body comprises an outer tube and an inner tube, the insertion end of the catheter body is provided with a catheter opening, the catheter body is divided into an insertion section, a clamping section and a liquid outlet section along the catheter direction, the inner tube is provided with a reticular layer at the insertion section, an antibacterial cavity is formed between the reticular layer and the inner tube, the inner tube is provided with an antibacterial coating, the antibacterial coating is a nitrofurantoin coating, the clamping section is provided with a clamping bag part, the inner tube is provided with an air charging channel and a pressure measuring channel which are communicated with the clamping bag part at the clamping section and the liquid outlet section, the air inlet of the air charging channel is provided with an air charging structure, and the air outlet of the pressure measuring channel is provided with a pressure measuring mechanism. The outer tube adopts silica gel material, the inner tube adopts polyurethane material, the play urine end of pipe shaft is provided with the flow stopping clamp to prevent urine refluence.
The pressure measuring mechanism comprises a pressure measuring tube and a pressure measuring device, wherein the pressure measuring tube and the tube body are integrally formed, the pressure measuring tube is communicated with the pressure measuring channel, and the pressure measuring end of the pressure measuring device is in interference fit with the pressure measuring tube so as to detect and display the pressure in the bladder in real time.
The inflation structure comprises an inflation tube and an inflation joint, wherein the inflation tube and the tube body are integrally formed, the inflation tube is communicated with the inflation channel, after the insertion section of the tube body is inserted into the bladder, the inflation tube is used for inflating to enable the bag clamping part to bulge to form a clamping bubble so as to prevent falling, and the inflation joint is in interference fit with the inflation tube so as to prevent air leakage after inflation.
The beneficial effects of the utility model are as follows:
the utility model discloses an insert section at the pipe shaft and set up antibiotic coating, can reduce the relevant infection of urinary catheter, simultaneously through set up network structure on antibiotic coating, can adjust the speed that antibiotic coating produced the effect, can be more friendly to sensitive crowd, when the intravesical pressure changes simultaneously, the pressure on the card bubble of joint will change, because piezometer pipe and piezometer way intercommunication this moment, pressure change can carry out real-time change monitoring through the pressure meter to timely understanding intra-abdominal bladder pressure.
Drawings
FIG. 1 is a schematic view of the overall structure of a medical urinary catheter provided in an embodiment of the utility model;
FIG. 2 is a schematic view of another view of a medical urinary catheter according to an embodiment of the utility model;
FIG. 3 is an enlarged schematic view of FIG. 2A;
FIG. 4 is a cross-sectional view of a-a of FIG. 2;
FIG. 5 is a cross-sectional view of b-b of FIG. 2;
In the figure:
1. A pipe body; 11. an outer tube; 12. an inner tube; 10. a urinary catheterization opening; 101. an insertion section; 102. a clamping section; 103. a liquid outlet section; 121. a mesh layer; 120. an antimicrobial cavity; 122. an antimicrobial coating; 1021. a bag clamping part; 123. an air charging passage; 124. a pressure measuring channel; 2. an inflatable structure; 3. a pressure measuring mechanism; 31. a pressure measuring tube; 32. a pressure gauge; 21. an inflation tube; 22. an inflation joint; 4. and a flow stop clip.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in the figure, the medical catheter comprises a catheter body 1, the catheter body 1 comprises an outer tube 11 and an inner tube 12, the insertion end of the catheter body 1 is provided with a catheter opening 10, the catheter body 1 is divided into an insertion section 101, a clamping section 102 and a liquid outlet section 103 along the catheter direction, the inner tube 12 is provided with a mesh layer 121 at the insertion section 101, an antibacterial cavity 120 is formed between the mesh layer 121 and the inner tube 12, the antibacterial cavity 120 is provided with an antibacterial coating 122 on the inner tube 12, wherein the antibacterial coating 122 is a nitrofurantoin coating, the antibacterial coating 122 is arranged in such a way to play a role in reducing the infection related to the catheter, and the contact area of the antibacterial coating 122 can be reduced by arranging the mesh layer 121 on the antibacterial coating 122; the clamping section 102 is provided with a clamping bag portion 1021, the inner tube 12 is provided with an inflating channel 123 and a pressure measuring channel 124 which are communicated with the clamping bag portion 1021 in the clamping section 102 and the liquid outlet section 103, an inflating structure 2 is arranged at an air inlet of the inflating channel 123, and a pressure measuring mechanism 3 is arranged at an air outlet of the pressure measuring channel 124. When the inflatable bladder is used, the insertion section 101 is inserted into a body, then the inflatable structure 2 is utilized to inflate, the bag clamping portion 1021 is inflated to form a bag, specifically, the inflatable structure 2 comprises the inflatable tube 21 and the inflatable connector 22, the inflatable tube 21 and the tube body 1 are integrally formed, the inflatable tube 21 is communicated with the inflatable channel 123, after the insertion section 101 of the tube body 1 is inserted into a bladder, the bag clamping portion 1021 is inflated through the inflatable tube 21 to form a bag, the tube body 1 is prevented from falling off, the inflatable connector 22 and the inflatable tube 21 are in interference fit, so that air leakage is prevented from occurring after inflation, and meanwhile the pressure measuring mechanism 3 is utilized to detect the bladder internal pressure. Further, for convenience of insertion and improvement of comfort, the outer tube 11 is made of silica gel, the inner tube 12 is made of polyurethane, and the urine outlet end of the tube body 1 is provided with the flow stopping clip 4 so as to prevent urine from flowing backwards.
Preferably, in order to monitor the intravesical pressure, the pressure measuring mechanism 3 comprises a pressure measuring tube 31 and a pressure measuring device 32, the pressure measuring tube 31 and the tube body 1 are integrally formed, the pressure measuring tube 31 is communicated with the pressure measuring channel 124, and the pressure measuring end of the pressure measuring device 32 is in interference fit with the pressure measuring tube 31 so as to detect and display the intravesical pressure in real time. When the pressure in the bladder changes, the pressure will act on the bubble formed by the bag portion 1021, and the pressure change can be monitored by the pressure measuring device 32 in real time due to the communication between the pressure measuring tube 31 and the pressure measuring channel 124, so as to timely monitor the pressure in the abdominal bladder.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, but rather, embodiments falling within the scope of the appended claims are intended to be embraced by the utility model.
Claims (6)
1. The utility model provides a medical catheter, includes pipe shaft (1), pipe shaft (1) include outer tube (11) and inner tube (12), catheterization mouth (10) have been seted up to the insertion end of pipe shaft (1), divide into insert section (101), joint section (102) and play liquid section (103) along catheterization direction on pipe shaft (1), its characterized in that: the inner tube (12) is provided with netted layer (121) in insert section (101), netted layer (121) with form antibiotic chamber (120) between inner tube (12), antibiotic chamber (120) are in be provided with antibiotic coating (122) on inner tube (12), joint section (102) are provided with card bag portion (1021), inner tube (12) be provided with in joint section (102) and play liquid section (103) with inflatable channel (123) and pressure measurement way (124) of card bag portion (1021) intercommunication, inflatable channel (123) air inlet is provided with inflatable structure (2), pressure measurement way (124) gas outlet is provided with pressure measurement mechanism (3).
2. A medical urinary catheter according to claim 1, wherein:
The antimicrobial coating (122) is a nitrofurantoin coating.
3. A medical urinary catheter according to claim 1, wherein:
the pressure measuring mechanism (3) comprises a pressure measuring tube (31) and a pressure measuring device (32), the pressure measuring tube (31) and the tube body (1) are integrally formed, the pressure measuring tube (31) is communicated with the pressure measuring channel (124), and the pressure measuring end of the pressure measuring device (32) is in interference fit with the pressure measuring tube (31) so as to detect and display the pressure in the bladder in real time.
4. A medical urinary catheter according to claim 3, wherein:
The inflatable structure (2) comprises an inflatable tube (21) and an inflatable joint (22), the inflatable tube (21) and the tube body (1) are integrally formed, the inflatable tube (21) is communicated with the inflatable channel (123), after the insertion section (101) of the tube body (1) is inserted into the bladder, the inflatable tube (21) is inflated to enable the bag clamping part (1021) to bulge to form a clamping bubble so as to prevent falling, and the inflatable joint (22) and the inflatable tube (21) are in interference fit so as to prevent air leakage after inflation.
5. A medical catheter according to claim 1, characterized in that the outer tube (11) is made of silicone and the inner tube (12) is made of polyurethane.
6. A medical urinary catheter according to claim 1, wherein:
the urine outlet end of the pipe body (1) is provided with a flow stopping clamp (4) so as to prevent urine from flowing backwards.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221243599U true CN221243599U (en) | 2024-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |