CN108404279B - Leak-proof indwelling catheter and catheterization system - Google Patents

Leak-proof indwelling catheter and catheterization system Download PDF

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Publication number
CN108404279B
CN108404279B CN201810242693.3A CN201810242693A CN108404279B CN 108404279 B CN108404279 B CN 108404279B CN 201810242693 A CN201810242693 A CN 201810242693A CN 108404279 B CN108404279 B CN 108404279B
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catheter
urethral
catheterization
bag body
leak
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CN201810242693.3A
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CN108404279A (en
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韩莹波
宋洁
王玉珏
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Jilin University
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Jilin University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M1/0023—
    • A61M1/0058—
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/10—Trunk
    • A61M2210/1078—Urinary tract

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Vascular Medicine (AREA)
  • Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Child & Adolescent Psychology (AREA)
  • Epidemiology (AREA)
  • Urology & Nephrology (AREA)
  • External Artificial Organs (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

A leak-proof indwelling catheter and a catheterization system comprise a catheter body and a sealing assembly, wherein the catheter body is provided with a catheterization channel, a catheterization end and a connecting end, the catheterization channel is communicated with the catheterization end and the connecting end, the catheterization end is provided with a catheterization opening, and the connecting end is provided with a urine outlet; the sealing component comprises an elastic positioning piece and a sealing bag body which can expand and contract, the sealing bag body is sleeved outside the catheter main body, and the sealing bag body is provided with a liquid injection port; the elastic positioning piece is arranged on the catheter main body, one end of the elastic positioning piece can be abutted against the sealing bag body, and the sealing bag body is enabled to have a movement trend of deforming from the catheter end to the connecting end. The leakproof indwelling catheter utilizes the sealing bag body to seal the contact position of the urethra and the catheter main body in the using process, urine leakage is not easy to occur, and the use is safe and reliable.

Description

Leak-proof indwelling catheter and catheterization system
Technical Field
The invention relates to the field of medical instruments, in particular to a leakage-proof indwelling catheter and a catheterization system.
Background
Indwelling catheterization is to keep a catheter in the bladder to drain urine, so as to avoid infection or injury caused by multiple intubation. The clinical application is as follows:
(1) accurately recording the urine volume per hour when rescuing patients with critical or shock, and measuring the urine specific gravity so as to closely observe the disease change of the patients;
(2) the bladder is emptied for pelvic cavity operation, so that the bladder is continuously kept empty and deficient, and accidental injury in operation is avoided;
(3) the catheter is kept after the operation of some urinary system diseases, which is convenient for drainage and washing, and the tension of the operation incision is reduced, thus being beneficial to the healing of the incision;
(4) draining urine for patients with urinary incontinence or perineum wound, and keeping perineum clean and dry;
(5) for urinary incontinence patients to perform bladder function training and the like.
The inventor finds in research that the traditional catheter has at least the following disadvantages in the using process:
currently, an indwelling catheter is a commonly used urinary catheter device, which is mainly used for assisting patients who cannot care for urination to discharge urine. Keep somewhere catheter commonly used generally includes the catheterization body that the end was equipped with catheterization hole and collapsible cavity utricule, the front end of catheterization body is equipped with the catheterization interface with catheterization hole intercommunication and the utricule interface with cavity utricule intercommunication, insert the end of catheterization body into patient's bladder through the urethra earlier during the use, use utricule interface to the internal normal saline or the gas that lets in of cavity utricule, make the utricule inflation after fix the position of injecing the catheterization body in the bladder, guarantee that the catheterization body can be long-term stable insert locate patient internal, discharge patient's urine through the urination mouth with the urination mouth intercommunication afterwards. In the clinical application process, the urine leakage phenomenon is often encountered, the bed of a patient cannot be kept clean, dry and warm, and urinary tract infection and bedsore are easy to generate after a long time.
Disclosure of Invention
The invention aims to provide a urine leakage prevention indwelling catheter, which aims to solve the problem that the traditional catheter is easy to leak urine in the using process.
The invention aims to provide a urethral catheter system to solve the problem that the traditional urethral catheter is easy to leak urine during use.
The embodiment of the invention is realized by the following steps:
in view of the first object, the present invention provides a leak-proof indwelling catheter, comprising:
the urethral catheter comprises a urethral catheter body, a urethral catheter body and a catheter, wherein the urethral catheter body is provided with a urethral catheterization channel, a urethral catheterization end and a connecting end, the urethral catheterization channel is communicated with the urethral catheter end and the connecting end, the urethral catheter end is provided with a urethral catheterization opening, and the connecting end is provided with a urethral outlet; and
the sealing assembly comprises an elastic positioning piece and an expandable sealing bag body, the sealing bag body is sleeved outside the catheter main body, and the sealing bag body is provided with a liquid injection port; the elastic positioning piece is installed on the catheter main body, one end of the elastic positioning piece can be abutted to the sealing bag body, and the sealing bag body is enabled to have a movement trend that the urethral catheterization end deforms towards the connecting end.
In a preferred embodiment of the present invention, the elastic positioning member includes at least one elastic sheet, one side of the at least one elastic sheet is mounted on the catheter body, and the other side of the at least one elastic sheet abuts against the outside of the sealing capsule.
In a preferred embodiment of the invention, the outer wall of the catheter body is provided with at least one mounting groove, the elastic sheet is positioned in the mounting groove, a clamping space is formed between the elastic sheet and the mounting groove, and at least part of the sealing bag body is positioned in the clamping space; when the bag body is not filled with liquid, the elastic sheet does not protrude out of the notch of the mounting groove.
In a preferred embodiment of the present invention, the mounting groove is an annular groove, and the sealing bag body is located in the annular groove; the elastic pieces are arranged more than two and are arranged at intervals around the catheter main body.
In a preferred embodiment of the present invention, the elastic positioning member further comprises a spring, and the spring is installed between the catheter body and the elastic sheet, so that a side of the elastic sheet away from the catheter has a movement tendency close to the catheter body.
In a preferred embodiment of the invention, the outer wall of the catheter body is provided with a mounting groove, the depth direction of the mounting groove is inward along the radial direction of the catheter body, and the spring is positioned in the mounting groove.
In a preferred embodiment of the present invention, the outer wall of the urinary catheter main body is provided with a liquid injection channel, the liquid injection port of the sealing bag body is communicated with the liquid injection channel, and a port of the liquid injection channel is located on the end face where the connection end is located.
In a preferred embodiment of the present invention, a cleaning groove and a cleaning channel communicated with the cleaning groove are disposed on an outer wall of the catheter body, and a port of the cleaning channel is located on an end face where the connection end is located.
In a preferred embodiment of the invention, the catheter body is provided with two or more urethral catheters, and the two or more urethral catheters are arranged around the axis of the catheter body at intervals.
In view of the second object, the invention provides a urinary catheter system, which comprises a fixing component and the leakproof indwelling catheter, wherein the fixing component is used for fixing the catheter body to a human body.
The embodiment of the invention has the beneficial effects that:
in conclusion, the embodiment of the invention provides the leakproof indwelling catheter which is simple and reasonable in structure, convenient to manufacture and process, convenient to install and use, and safe and reliable to use, and meanwhile, the contact position of the urethra and the catheter body is sealed by the sealing bag body in the using process of the leakproof indwelling catheter, so that urine is not easy to leak. The method comprises the following specific steps:
the leak-proof indwelling catheter provided by the embodiment comprises a catheter body and a sealing component. In the use, insert the urethral catheterization end of catheter main part from the urethra of human body, make sealed utricule be arranged in the urethra, then utilize to annotate the liquid mouth and to the internal injection liquid of sealed utricule, liquid can be normal saline, and the injection volume is certain after, sealed utricule inflation can seal the clearance between sealed utricule and the urethra inner wall. Simultaneously, after sealed utricule inflation, sealed utricule extrusion elasticity positioning piece, the outside expansion of elasticity piece of flavouring has the ability of resumeing the deformation, and elasticity positioning piece can extrude sealed utricule, makes sealed utricule remain the encapsulated situation all the time, and the contact of sealed utricule and urethra is inseparable, is difficult for leaking urine. In the standing process of the patient, the sealed capsule body has the drooping movement trend due to the action of gravity, so that the sealed capsule body is tightly contacted with the urethra, and good sealing is realized; when the patient lies in bed, the sealing bag body is extruded by the elastic positioning piece and can be always attached to the inner wall of the urethra, so that good sealing is realized.
The catheterization system provided by the embodiment comprises the leakproof indwelling catheter, and has all the advantages of the leakproof indwelling catheter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a leak resistant indwelling urinary catheter according to an embodiment of the present invention;
FIG. 2 is a schematic view of a deformed configuration of a leak resistant indwelling urinary catheter in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of another variation of the leak-proof indwelling catheter according to the embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is a schematic view of a catheterization system in accordance with an embodiment of the present invention.
Icon: 100-a catheter body; 110-a catheterization channel; 111-a catheterization end; 112-a connection end; 113-urethral catheterization opening; 114-a urine outlet; 115-a mounting groove; 116-a guide groove; 117-liquid injection channel; 118-a cleaning tank; 119-a cleaning channel; 200-a seal assembly; 210-an elastic positioning member; 211-spring plate; 212-a spring; 220-sealing the capsule body; 300-fixing the assembly.
Detailed Description
An indwelling catheter is a commonly used urinary catheter device, which is mainly used to help patients who cannot care for urination to discharge urine. Keep somewhere catheter commonly used generally includes the catheterization body that the end was equipped with catheterization hole and collapsible cavity utricule, the front end of catheterization body is equipped with the catheterization interface with catheterization hole intercommunication and the utricule interface with cavity utricule intercommunication, insert the end of catheterization body into patient's bladder through the urethra earlier during the use, use utricule interface to the internal normal saline or the gas that lets in of cavity utricule, make the utricule inflation after fix the position of injecing the catheterization body in the bladder, guarantee that the catheterization body can be long-term stable insert locate patient internal, discharge patient's urine through the urination mouth with the urination mouth intercommunication afterwards. In the clinical application process, the urine leakage phenomenon is often encountered, the bed of a patient cannot be kept clean, dry and warm, and urinary tract infection and bedsore are easy to generate after a long time.
In view of this, the inventor has designed a catheter and catheterization system are kept somewhere in leak protection, and its simple structure is reasonable, and the manufacturing and processing of being convenient for, installation and convenient to use, simultaneously, this catheter is kept somewhere in leak protection utilizes the sealed utricule to seal the contact position of urethra and catheter main part in the use, is difficult for leaking urine, uses safe and reliable.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Examples
Referring to fig. 1-5, the present embodiment provides a leak-proof indwelling catheter, including a catheter body 100 and a sealing assembly 200, wherein the catheter body 100 has a urethral catheterization channel 110, a urethral catheterization end 111 and a connecting end 112, the urethral channel 110 communicates the urethral end 111 and the connecting end 112, the urethral end 111 is provided with a urethral catheterization opening 113, and the connecting end 112 is provided with a urinary outlet 114; the sealing assembly 200 comprises an elastic positioning member 210 and a collapsible sealing bag body 220, the sealing bag body 220 is sleeved outside the catheter main body 100, and the sealing bag body 220 is provided with a liquid injection port; the elastic positioning member 210 is mounted on the catheter body 100, and one end of the elastic positioning member 210 can abut against the sealing bag 220, so that the sealing bag 220 has a moving tendency of deforming from the urethral catheterization end 111 to the connection end 112.
The leak-proof indwelling catheter provided by the embodiment comprises a catheter body 100 and a sealing assembly 200. In the use, insert catheterization end 111 of catheter main part 100 from human urethra department, make sealed utricule 220 be located the urethra, then utilize and annotate the liquid mouth and inject liquid into sealed utricule 220, liquid can be normal saline, and the injection volume is certain back, and sealed utricule 220 inflation can seal the clearance between sealed utricule 220 and the urethra inner wall. Simultaneously, after sealed utricule 220 inflation, sealed utricule 220 extrusion elasticity transfer 210, the outside expansion of elasticity piece of flavouring has the ability of resumeing the deformation, and elasticity transfer 210 can extrude sealed utricule 220, makes sealed utricule 220 remain the encapsulated situation all the time, and sealed utricule 220 is inseparable with the contact of urethra, is difficult for leaking urine. Namely, in the process of standing of the patient, the sealing bag body 220 has the drooping movement trend due to the action of gravity, so that the sealing bag body 220 is tightly contacted with the urethra, and good sealing is realized; when the patient lies down, the sealing bag 220 is pressed by the elastic positioning element 210 and can be always attached to the inner wall of the urethra, so that good sealing is realized.
In this embodiment, the elastic positioning element 210 includes at least one elastic sheet 211, the elastic sheet 211 may be a rectangular sheet, one side of the at least one elastic sheet 211 is mounted on the catheter body 100, the other side of the at least one elastic sheet 211 abuts against the outside of the sealing bag 220, and a part of the sealing bag 220 is located between the elastic sheet 211 and the catheter body 100. Further, the outer wall of the catheter body 100 is provided with at least one mounting groove 115, the mounting groove 115 can be a rectangular groove, the elastic piece 211 is positioned in the mounting groove 115, a clamping space is formed between the elastic piece 211 and the mounting groove 115, and at least part of the sealing bag body 220 is positioned in the clamping space; when the capsule is not filled with liquid, the elastic sheet 211 does not protrude out of the notch of the mounting groove 115. This kind of structural design, when inserting catheter body 100 into the urethra, because shell fragment 211 does not bulge catheter body 100, be difficult for influencing the normal of catheter body 100 and insert, and be difficult for expanding the urethra, can not harm the urethra, the follow-up recovery of also being convenient for. After the catheter main body 100 is inserted into the urethra, liquid or gas is filled into the sealed bag body 220, the sealed bag body 220 expands to extrude the elastic sheet 211, so that the elastic sheet 211 has elastic force for restoring deformation, the elastic force acts on the sealed bag body 220, the sealed bag body 220 is attached to the urethra more tightly, the sealing effect is good, and urine leakage is not easy. Further, the mounting groove 115 is an annular groove, and the sealing bag body 220 is located in the annular groove; the elastic sheet 211 is provided with more than two, and the elastic sheet 211 more than two is arranged around catheter main body 100 interval, and the atress of sealed utricule 220 is more balanced, and is sealed effectual. Further, more than two elastic pieces 211 are evenly spaced around the catheter body 100.
In this embodiment, optionally, the elastic positioning member 210 further includes a spring 212, the spring 212 is installed between the catheter main body 100 and the elastic sheet 211, so that one side of the elastic sheet 211, which is far away from the catheter, has a movement tendency close to the catheter main body 100, the ability of the elastic sheet 211 to recover deformation is increased, it is ensured that the elastic sheet 211 can provide enough elastic force to press the sealing bag 220, and a good sealing effect is ensured. The outer wall of catheter body 100 is provided with guide groove 116, the depth of guide groove 116 is inward along the radial direction of catheter body 100, and spring 212 is positioned in guide groove 116. By engaging each spring 212 with the corresponding guide groove 116, the spring 212 is not easily bent in the radial direction during the deformation process, and the elastic force of the spring 212 is more concentrated.
In this embodiment, the outer wall of the urinary catheter body 100 is provided with a liquid injection channel 117, the liquid injection port of the sealing capsule 220 is communicated with the liquid injection channel 117, and the port of the liquid injection channel 117 is located on the end face where the connecting end 112 is located. After the catheter body 100 is inserted into the proper position of the urethra, liquid or gas can be injected into the sealing bag body 220 from the liquid injection channel 117, and when the catheter body 100 needs to be taken out, the gas or liquid in the sealing bag body 220 can be discharged.
Further, the outer wall of the catheter body 100 is provided with a cleaning groove 118 and a cleaning channel 119 communicated with the cleaning groove 118, and the port of the cleaning channel 119 is located on the end face where the connecting end 112 is located. The wash bowl 118 may be an annular trough, and the wash bowl 118 may be a trough with a C-shaped cross section, when it is desired to wash the urethra of a patient, the normal saline or the disinfecting and washing solution is flowed through the wash channel 119, flows out of the wash bowl 118, and flows out of the gap between the catheter body 100 and the urethra, thereby disinfecting and washing the urethra.
In this embodiment, two or more urethral catheters 113 are provided, and the two or more urethral catheters 113 are arranged around the axis of the catheter body 100 at intervals. Urine is conveniently drained from the drainage channel 110 during catheterization.
Examples
The embodiment provides a urinary catheter system, which comprises a fixing assembly 300 and the leakage-proof indwelling catheter provided by the embodiment, wherein the fixing assembly 300 is used for fixing the catheter body 100 to a human body. The fixing component 300 may be a fixing band, or may be a fixing clip, a hook and loop fastener, or any other device for fixing the catheter main body 100.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A leak-proof indwelling urinary catheter, comprising:
the urethral catheter comprises a urethral catheter body, a urethral catheter body and a catheter, wherein the urethral catheter body is provided with a urethral catheterization channel, a urethral catheterization end and a connecting end, the urethral catheterization channel is communicated with the urethral catheter end and the connecting end, the urethral catheter end is provided with a urethral catheterization opening, and the connecting end is provided with a urethral outlet; and
the sealing assembly comprises an elastic positioning piece and an expandable sealing bag body, the sealing bag body is sleeved outside the catheter main body, and the sealing bag body is provided with a liquid injection port; the elastic positioning piece is arranged on the catheter body, one end of the elastic positioning piece can be abutted against the sealing bag body, and the sealing bag body has a movement trend of deforming from the urethral catheterization end to the connecting end;
the elastic positioning piece comprises at least one elastic sheet, one side of the at least one elastic sheet is arranged on the catheter main body, and the other side of the at least one elastic sheet abuts against the outside of the sealing capsule body;
the outer wall of the catheter main body is provided with at least one mounting groove, the elastic sheet is positioned in the mounting groove, a clamping space is formed between the elastic sheet and the mounting groove, and at least part of the sealed bag body is positioned in the clamping space; when the bag body is not filled with liquid, the elastic sheet does not protrude out of the notch of the mounting groove;
the mounting groove is an annular groove, and the sealing bag body is positioned in the annular groove; the elastic pieces are arranged more than two and are arranged at intervals around the catheter main body.
2. The leak-proof indwelling catheter according to claim 1, wherein the elastic positioning member further comprises a spring, the spring is mounted between the catheter body and the resilient piece, and the side of the resilient piece away from the catheter has a tendency to move closer to the catheter body.
3. The leak-proof indwelling catheter according to claim 2, wherein the outer wall of the catheter body is provided with a guide groove having a depth directed radially inward of the catheter body, and the spring is located in the guide groove.
4. The leak-proof indwelling catheter according to claim 1, wherein the outer wall of the catheter body is provided with a liquid injection channel, the liquid injection port of the sealing balloon body is communicated with the liquid injection channel, and the port of the liquid injection channel is located on the end face where the connecting end is located.
5. The leak-proof indwelling catheter according to claim 1, wherein the outer wall of the catheter body is provided with a cleaning groove and a cleaning channel communicated with the cleaning groove, and the port of the cleaning channel is located on the end face where the connecting end is located.
6. The leak-proof indwelling catheter according to claim 1, wherein the urethral catheterization opening is provided with two or more, and the two or more urethral catheterization openings are arranged at intervals around the axis of the catheter body.
7. A urinary catheter system, comprising a fixing member for fixing the catheter body to a human body, and the leak-proof indwelling catheter according to any one of claims 1 to 6.
CN201810242693.3A 2018-03-22 2018-03-22 Leak-proof indwelling catheter and catheterization system Expired - Fee Related CN108404279B (en)

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Publication number Priority date Publication date Assignee Title
CN110496298A (en) * 2019-09-17 2019-11-26 自贡市精神卫生中心 A kind of side saccule urinary catheter of anti-clogging urine-leakage

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CN205867281U (en) * 2016-05-27 2017-01-11 肖国红 Drainage device stanchs after percutaneous kidney lithotrity
CN106730255A (en) * 2016-12-26 2017-05-31 华中科技大学同济医学院附属协和医院 Self retaining catheter and urinary catheterization component

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