CN219398651U - Catheter with multiple miniature side holes for total urethra infiltration anesthesia - Google Patents
Catheter with multiple miniature side holes for total urethra infiltration anesthesia Download PDFInfo
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- CN219398651U CN219398651U CN202221973588.5U CN202221973588U CN219398651U CN 219398651 U CN219398651 U CN 219398651U CN 202221973588 U CN202221973588 U CN 202221973588U CN 219398651 U CN219398651 U CN 219398651U
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- catheter body
- catheter
- local anesthesia
- anesthesia liquid
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Abstract
The utility model discloses a catheter with multiple miniature side holes for full-urethral infiltration anesthesia, which comprises a catheter body, wherein the inner end of the catheter body is provided with a catheter inlet, the outer end of the catheter body is provided with a catheter outlet, the outer part of the catheter body close to the inner end is provided with a water sac, the pipe wall of the catheter body is internally provided with a water sac channel, the inner end of the water sac channel is communicated with the water sac, the outer part of the catheter body close to the outer end is provided with a water sac injection joint communicated with the outer end of the water sac channel, the pipe wall of the catheter body is internally provided with a plurality of local anesthesia liquid channels which extend along the length direction and are distributed at intervals in the circumferential direction, the outer part of the catheter body is provided with a plurality of miniature side holes which are respectively communicated with the local anesthesia liquid channels at intervals along the length direction, the outer part of the catheter body close to the outer end is also provided with a local anesthesia liquid injection joint, and the outer end of each local anesthesia liquid channel is respectively connected with the local anesthesia liquid injection joint. The utility model can carry out full urethra infiltration anesthesia after implantation, and reduces uncomfortable feeling of catheterized patients.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a catheter with multiple miniature side holes for full-urethra infiltration anesthesia.
Background
The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), can be inserted into the bladder through the urethra so as to drain urine, and after the catheter is inserted into the bladder, an air bag is arranged near the head end of the catheter to fix the catheter and remain in the bladder, so that the catheter is not easy to fall off, and the drainage tube is connected with a urine bag to collect urine.
At present, after the urinary catheter is implanted in the market, the urethra can not be used for local anesthesia, so that most patients feel uncomfortable to the urethra after the urinary catheter is implanted, the experience of the patients is poor, and even the patients pull out the urinary catheter.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the catheter with the multiple miniature side holes for full-urethra infiltration anesthesia, so that the catheter can be used for full-urethra infiltration anesthesia after implantation, and the discomfort of a catheterized patient is reduced.
The utility model provides a catheter with multiple micro side holes for full urethra infiltration anesthesia, which comprises a catheter body, wherein the inner end of the catheter body is provided with a catheter inlet, the outer end of the catheter body is provided with a catheter outlet, a water sac is arranged near the inner end outside the catheter body, a water sac channel is arranged in the pipe wall of the catheter body, the inner end of the water sac channel is communicated with the water sac, a water sac injection joint communicated with the outer end of the water sac channel is arranged near the outer end outside the catheter body, a plurality of local anesthesia liquid channels which extend along the length direction and are distributed at intervals in the circumferential direction are arranged in the pipe wall of the catheter body, a plurality of micro side holes which are respectively communicated with the local anesthesia liquid channels are distributed at intervals along the length direction outside the catheter body, a local anesthesia liquid injection joint is also arranged outside the catheter body near the outer end of the catheter body, and the outer ends of the local anesthesia liquid channels are respectively connected with the local anesthesia liquid injection joint.
Further, the local anesthesia liquid injection joint is arranged on the catheter body outside the water sac injection joint, an annular cavity is arranged outside the water sac channel in the tube wall of the catheter body, the outer end of each local anesthesia liquid channel is respectively connected into the annular cavity, and the local anesthesia liquid injection joint is communicated with the annular cavity.
Further, three local anesthesia liquid channels are arranged in the pipe wall of the catheter body.
Further, the distance between the micro side holes outside each local anesthesia liquid channel is 2cm.
The beneficial effects of the utility model are as follows: after the catheter is implanted, local anesthesia liquid can be injected into each local anesthesia liquid channel through the local anesthesia liquid injection joint, and the local anesthesia liquid is uniformly dispersed into the urethra of a catheterization patient through the miniature side holes outside each local anesthesia liquid channel, so that the urethra of the catheterization patient is subjected to full-urethral infiltration anesthesia, the urethra has no irritation, and the discomfort of the catheterization patient is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a catheter body at a local anesthetic fluid injection joint according to an embodiment of the utility model;
FIG. 3 is a cross-sectional view of a catheter body at a water bladder injection joint according to an embodiment of the utility model;
fig. 4 is a cross-sectional view of a catheter body at a miniature side hole according to an embodiment of the present utility model.
In the drawings, 100-catheter body; 110-urinary catheterization inlet; 120-urinary outlet; 130-water sac; 140-water sac channels; 150-water sac injection joint; 160-local anesthesia liquid channel; 170-miniature side holes; 180-local anesthesia liquid injection joint; 190-annular chamber.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
As shown in fig. 1-4, an embodiment of the present utility model provides a catheter with multiple miniature side holes for total urinary tract infiltration anesthesia, comprising a catheter body 100.
The inner end of the catheter body 100 is provided with a catheter inlet 110, the outer end of the catheter body 100 is provided with a catheter outlet 120, when the catheter is used, the catheter is implanted into the urethra, the catheter inlet 110 at the inner end of the catheter body 100 stretches into the bladder, and the catheter outlet 120 at the outer end of the catheter body 100 stretches out of the urethra and is connected with a urine bag.
The catheter body 100 is provided with a water bag 130 (length is 1 cm) near the inner end outside, a water bag channel 140 is arranged in the pipe wall of the catheter body 100, the inner end of the water bag channel 140 is communicated with the water bag 130, and a water bag injection joint 150 communicated with the outer end of the water bag channel 140 is arranged near the outer end outside the catheter body 100.
The catheter body 100 is provided with a plurality of local anesthesia liquid channels 160 extending along the length direction thereof and distributed at intervals in the circumferential direction in the wall, the catheter body 100 is provided with three local anesthesia liquid channels 160 in the wall, the outside of the catheter body 100 is provided with a plurality of micro side holes 170 respectively communicated with the local anesthesia liquid channels 160 at intervals in the length direction, the distance between the micro side holes 170 outside each local anesthesia liquid channel 160 is 2cm, the outside of the catheter body 100 close to the outer end of the catheter body is also provided with local anesthesia liquid injection joints 180, and the outer ends of the local anesthesia liquid channels 160 are respectively connected with the local anesthesia liquid injection joints 180.
In this embodiment, referring to fig. 1 and 2, the local anesthesia liquid injection joint 180 is disposed on the catheter body 100 outside the water sac injection joint 150, an annular cavity 190 is disposed outside the water sac channel 140 in the wall of the catheter body 100, the outer ends of the local anesthesia liquid channels 160 are respectively connected to the annular cavity 190, and the local anesthesia liquid injection joint 180 is communicated with the annular cavity 190. After the catheter is implanted, local anesthesia liquid can be injected through the local anesthesia liquid injection joint 180, the local anesthesia liquid enters each local anesthesia liquid channel 160 through the annular cavity 190 in the pipe wall of the catheter body 100, and then is dispersed into the urethra of a catheterized patient through the miniature side holes 170 connected with each local anesthesia liquid channel 160, so that the catheter has a simple and compact structure.
The catheter provided in this embodiment is used in a patient who needs catheterization as follows:
a) The surface of the catheter body 100 is moistened by paraffin oil, then the catheter body 100 is slowly inserted into the urethra of a patient, after the urine outlet 120 of the catheter body 100 is observed to discharge urine, the physiological saline is injected by the injector through the water sac injection joint 150, and enters the water sac 130 through the water sac channel 140, so that the water sac 130 is filled, and then the catheter is gently pulled until the urine cannot come out, and the implantation of the catheter is completed.
b) The local anesthetic liquid (such as lidocaine) is injected by the injector through the local anesthetic liquid injection joint 180, the local anesthetic liquid enters each local anesthetic liquid channel 160, and then is dispersed into the whole urethra of the catheterized patient through the miniature side holes 170 connected with each local anesthetic liquid channel 160, so that the effect of slightly anesthetizing the whole urethra is achieved, and the local anesthetic injection can be repeated for a plurality of times at regular time.
In summary, after the catheter is implanted, local anesthetic liquid can be injected into each local anesthetic liquid channel 160 through the local anesthetic liquid injection joint 180, and the local anesthetic liquid is uniformly dispersed into the urethra of the catheterized patient through the micro side holes 170 outside each local anesthetic liquid channel, so that the urethra of the catheterized patient is immersed and anesthetized in the whole urethra, the urethra is free from irritation, and the discomfort of the catheterized patient is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (3)
1. The utility model provides a take many miniature side openings to be used for full urethra infiltration anesthesia's catheter, includes the catheter body, the inner of catheter body has the catheterization import, and the outer end of catheter body has the catheterization export, the catheter body is outer to be close to the inner and is equipped with the water pocket, is equipped with the water pocket passageway in the pipe wall of catheter body, the inner of water pocket passageway with the water pocket intercommunication, the catheter body be close to the outer end be equipped with the water pocket injection joint of the outer end intercommunication of water pocket passageway, its characterized in that:
the catheter comprises a catheter body, wherein a plurality of local anesthesia liquid channels extending along the length direction of the catheter body and distributed at intervals in the circumferential direction are arranged in the wall of the catheter body, a plurality of micro side holes communicated with the local anesthesia liquid channels respectively are distributed at intervals along the length direction outside the catheter body, local anesthesia liquid injection joints are further arranged outside the catheter body close to the outer ends of the catheter body, and the outer ends of the local anesthesia liquid channels are connected with the local anesthesia liquid injection joints respectively;
the local anesthesia liquid injection joint is arranged on the catheter body at the outer side of the water sac injection joint, an annular cavity is arranged at the outer side of the water sac channel in the tube wall of the catheter body, the outer end of each local anesthesia liquid channel is respectively connected into the annular cavity, and the local anesthesia liquid injection joint is communicated with the annular cavity.
2. A catheter with multiple micro side holes for total urinary tract infiltration anesthesia according to claim 1, wherein:
three local anesthesia liquid channels are arranged in the pipe wall of the catheter body.
3. A catheter with multiple micro side holes for total urinary tract infiltration anesthesia according to claim 1, wherein:
the distance between the miniature side holes outside each local anesthesia liquid channel is 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221973588.5U CN219398651U (en) | 2022-07-28 | 2022-07-28 | Catheter with multiple miniature side holes for total urethra infiltration anesthesia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221973588.5U CN219398651U (en) | 2022-07-28 | 2022-07-28 | Catheter with multiple miniature side holes for total urethra infiltration anesthesia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219398651U true CN219398651U (en) | 2023-07-25 |
Family
ID=87206924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221973588.5U Active CN219398651U (en) | 2022-07-28 | 2022-07-28 | Catheter with multiple miniature side holes for total urethra infiltration anesthesia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219398651U (en) |
-
2022
- 2022-07-28 CN CN202221973588.5U patent/CN219398651U/en active Active
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