WO2021107296A1 - Cathéter médical - Google Patents

Cathéter médical Download PDF

Info

Publication number
WO2021107296A1
WO2021107296A1 PCT/KR2020/006069 KR2020006069W WO2021107296A1 WO 2021107296 A1 WO2021107296 A1 WO 2021107296A1 KR 2020006069 W KR2020006069 W KR 2020006069W WO 2021107296 A1 WO2021107296 A1 WO 2021107296A1
Authority
WO
WIPO (PCT)
Prior art keywords
jelly
tube
catheter
supply pipe
medical
Prior art date
Application number
PCT/KR2020/006069
Other languages
English (en)
Korean (ko)
Inventor
원영준
Original Assignee
가톨릭관동대학교산학협력단
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 가톨릭관동대학교산학협력단 filed Critical 가톨릭관동대학교산학협력단
Publication of WO2021107296A1 publication Critical patent/WO2021107296A1/fr

Links

Images

Classifications

    • 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
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
    • 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
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • 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
    • A61M2025/0062—Catheters; Hollow probes characterised by structural features having features to improve the sliding of one part within another by using lubricants or surfaces with low friction
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0222—Materials for reducing friction

Definitions

  • the present invention relates to a medical catheter, and more particularly, to a medical catheter capable of continuously supplying jelly to alleviate pain during insertion into the human body in a medical catheter such as a Foley catheter or Levin tube.
  • a catheter is a thin tube made of medical materials, and is a general term for a catheter inserted into the human body for the purpose of treatment, surgery, or surgery.
  • Representative medical catheters include Foley catheter and Levin tube.
  • Foley catheter is a device that is inserted into the bladder to discharge urine to the outside.
  • various urological diseases such as prostate disease, bladder neck disease, urethral stenosis, and trauma
  • the patient can voluntarily urinate for a relatively long period of time until the patient can urinate. It is used inside and out.
  • the two-pronged catheter consists of a tube for urine discharge and a tube for balloon inflation, and the three-pronged catheter is provided with a tube for urine discharge and a tube for balloon inflation, plus a tube for injection of a washing solution and a drug.
  • Levin tube also called nasogastric tube or L tube
  • L tube is a catheter for stomach or duodenum mainly inserted through the nose.
  • gastric insertion it is used for purposes such as decompression, washing blood or secretions, analysis of gastric juice, supplying nutrition, and administration.
  • FIG. 1 it can be seen that the Foley catheter 100 is inserted and indwelled in the bladder (B).
  • 2 is a schematic diagram of a two-pronged catheter.
  • An opening 102 is provided at one end side of the tube body 101 of the Foley catheter 100, and a balloon 103 for placing the catheter in the bladder is provided.
  • a urine discharge port 104 and a balloon port 104 are provided at the other end of the tube body 101 . Urine is discharged to the outside through the urine discharge port 104 , and a fluid such as saline is supplied through the balloon port 104 to inflate the balloon 103 .
  • Inserting various medical catheters such as Foley catheter or Levin tube into the human body may cause pain to the patient.
  • an operator such as a doctor or nurse must insert a Foley catheter through the urinary tract to the bladder, and not only sterilization and sterilization are required, but also may cause great pain to the patient depending on the operating environment or conditions.
  • sterile jelly is usually applied to the outer surface of the Foley catheter and then the procedure is performed.
  • the jelly peels off during the procedure, which may cause pain to the patient.
  • the technical problem to be achieved by the present invention is to provide a medical catheter capable of continuously supplying jelly so as to reduce pain during insertion into the human body in a medical catheter such as a Foley catheter or Levin tube.
  • a medical catheter such as a Foley catheter or Levin tube.
  • the technical problem to be achieved by the present invention is to provide a medical catheter that can be used more easily and conveniently by the operator and can reduce the pain during catheter insertion from the patient's point of view.
  • an embodiment of the present invention is a medical catheter, an opening through which a body fluid can be circulated is provided at one end and a connection hole is provided at the other end, and is disposed in the hollow inside of the tube, A jelly outlet is provided at one end and a jelly supply hole is provided at the other end, and the jelly can be secreted to the outside of the tube through the jelly outlet of the jelly supply tube and the opening of the tube body, Jelly supply tube provides a medical catheter, characterized in that removable from the inside of the tube body.
  • a jelly secretion mechanism may be provided at the other end of the jelly supply pipe.
  • connection hole of the tubular body may further include a connection member for communicating the jelly supply pipe to the outside.
  • one end of the jelly supply pipe may be provided with an expanding pipe that is exposed to the outside through the opening of the pipe body and covers a part of one end of the pipe body.
  • a protrusion protruding to the outside through the opening of the tube body may be provided at one end of the jelly supply tube.
  • the tubular body may further include a balloon expandable by a fluid.
  • a fluid supply pipe for supplying a fluid to the balloon may be provided between the tube body and the jelly supply pipe.
  • a medical catheter capable of continuously supplying jelly so as to reduce pain during insertion into the human body in a medical catheter such as a Foley catheter or Levin tube.
  • 1 is a schematic view showing a state of indwelling the Foley catheter in the bladder.
  • Figure 2 is a schematic diagram showing a conventional general Foley catheter.
  • FIG. 3 is a schematic diagram of a medical catheter according to an embodiment of the present invention.
  • FIG. 4 is a detailed cross-sectional view of the medical catheter according to FIG. 3 .
  • 5 and 6 are end detailed cross-sectional views of a medical catheter according to another embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a medical catheter according to an embodiment of the present invention
  • FIG. 4 is a detailed cross-sectional view of the medical catheter according to FIG. 3 .
  • the term "medical catheter” is manufactured using medical materials regardless of its type, material, or function, and is used in the human (animal) body for the purpose of diagnosing, treating, operating, or operating a human or animal disease. It should be understood as a generic term for medical instruments to be inserted.
  • medical catheters are usually made of a synthetic resin having biocompatibility such as rubber, but it is also possible to be made of metal or other materials.
  • Medical catheter 1 may include a tube body 10, and a jelly supply tube 20 disposed on the inside of the tube body 10.
  • the medical catheter 1 may further include a balloon 30 and a connecting member 40 .
  • an opening 13 may be provided at an upstream end of the tube body 10 , and a balloon 30 may be provided at a lower side thereof.
  • a balloon port 31 is provided on the downstream side of the tube body 10 , and the lower end of the jelly supply tube 20 may be installed at the downstream end through the connecting member 40 .
  • the tube body 10 is provided in the form of a long tube, the hollow portion 11 may be formed therein.
  • urine, blood, nutrients, medicine, etc. may pass through the hollow portion 11 of the tubular body 10 .
  • An opening 13 through which a body fluid may flow may be provided at one end 12 of the tube body 10 , and a connection hole 15 may be provided at the other end 14 of the tube body 10 .
  • a long flow path can be secured from the connection hole 15 to the opening 13 .
  • the end of the tube body 101 is formed in a round shape to facilitate insertion, and thus the tube body 101 has an opening on the side adjacent to the end rather than the end. 102) was prepared.
  • it is possible to continuously supply jelly through the jelly supply pipe 20 it is possible to form an opening 13 at one end of the tube body 10 . This is advantageous over the prior art in terms of functions such as urine discharge.
  • the tube body 10 may have a constant diameter from one end 12 to the other end 14, or may be made of a material of a constant thickness, but is not limited to this shape.
  • a constant diameter from one end 12 to the other end 14, or may be made of a material of a constant thickness, but is not limited to this shape.
  • the jelly supply tube 20 may be disposed in the inner hollow portion 11 of the tube body 10 .
  • the jelly supply pipe 20 By continuously supplying jelly through the jelly supply pipe 20, the pain can be alleviated when the medical catheter 1 is inserted into the human body or animal body.
  • Jelly means a sterile lubricant, and if necessary, drugs such as lidocaine for pain paralysis may be included. Since the material and function of the jelly are well known in the past, an additional description will be omitted.
  • the jelly supply pipe 20 is provided in the form of a long tube having a smaller diameter than the tubular body 10 , and a hollow part 21 for supplying jelly can be formed therein. Jelly may be pre-stored in the hollow part 21 for supplying jelly, or jelly may be supplied from the jelly storage part 27 .
  • a jelly outlet 23 may be provided at one end 22 of the jelly supply pipe 20 , and a jelly supply hole 25 may be provided at the other end 24 of the jelly supply pipe 20 .
  • a long flow path can be secured from the jelly supply hole 25 to the jelly outlet 23 . Since the purpose of the jelly supply tube 20 is to secrete jelly to the outside through the opening 13 of the tube body 10, if there is no problem only in the supply of jelly, a tube of small diameter so that only a minimum amount of jelly can remain therein. can be formed with
  • the jelly supply pipe 20 may have a constant diameter from one end 22 to the other end 24, or may be made of a material of a constant thickness, but it is not necessary to be limited to this shape.
  • the jelly stored in the hollow part 21 for supplying jelly of the jelly supply pipe 20 or supplied to the hollow part 21 for supplying the jelly is the jelly secretion port 23 and the opening 13 of the tubular body 10 . It may be secreted to the outside of the tubular body 10 through the
  • the jelly supply tube 20 may be removable from the inside of the tube body 10 after the insertion procedure is completed. Through this, it is possible to use the tube body 10 as a flow passage for its original purpose, for example, urine, blood, nutrients, and medicine.
  • the tube body 10 and the jelly supply tube 20 are maintained in a form and position coupled to each other during the insertion procedure of the medical catheter 1, and after the insertion operation is completed, the jelly supply tube 20 from the tube body 10 It may be formed so that it can be smoothly removed. A member may be added for this purpose.
  • a jelly secretion mechanism 26 may be provided at the other end of the jelly supply pipe 20 .
  • a jelly storage part 27 may be provided inside the jelly secretion device 26 , and the jelly in which the jelly storage part 27 is stored passes through the jelly supply hollow part 21 toward the jelly secretion opening 23 .
  • the jelly secretion device 26 may be provided as a flexible member, whereby the operator can supply the jelly by pressing the jelly secretion device 26 by hand during the insertion procedure. Alternatively, a certain amount of jelly may be supplied through a separate insertion device.
  • connection member 40 closes the connection hole 15 of the tube body 10 , but may communicate the jelly supply tube 20 to the outside. That is, the connecting member prevents the inside of the tube body 10 from being contaminated, fixes the jelly supply tube 20, and allows the jelly secretion mechanism 26 of the jelly supply tube 20 to be disposed on the outside of the tube body 10 can have functions.
  • 5 and 6 are end detailed cross-sectional views of a medical catheter according to another embodiment of the present invention.
  • an expansion tube 28 may be provided at one end 22 of the jelly supply tube 20 .
  • the expanded tube 28 of the jelly supply tube 20 is exposed to the outside through the opening 13 of the tube body 10 , and may be formed to cover a part of one end 12 of the tube body 10 .
  • the jelly supply tube 20 may be stably coupled to the tube body 10 during the insertion procedure of the medical catheter 1 .
  • the shape and size of the expanded tube 28 of the jelly supply tube 20 may be determined so that there is no problem in removing the jelly supply tube 20 from the tube body 10 after completion of the insertion procedure.
  • a protrusion 29 may be provided at one end 22 of the jelly supply pipe 20 .
  • the protrusion 29 of the jelly supply pipe 20 may protrude outward through the opening 13 of the tubular body 10 .
  • the jelly supply tube 20 may be stably coupled to the tube body 10 during the insertion procedure of the medical catheter 1 .
  • the shape and size of the protrusion 29 of the jelly supply tube 20 may be determined so that there is no problem in removing the jelly supply tube 20 from the tube body 10 after completion of the insertion procedure.
  • the balloon 30 may be provided on the side portion 16 of the one end 12 side of the tube body 10 .
  • the balloon 30 is, for example, in the medical catheter 1 such as a Foley catheter, the tube body 10 is indwelled in the human body, and can serve to prevent it from easily falling out.
  • the balloon 30 is maintained in an uninflated state during the insertion procedure so as not to interfere with the insertion procedure, but may be inflated through a fluid such as physiological saline after the insertion is completed. Referring to FIG. 3 , the fluid may be supplied to the balloon 30 through the balloon port 31 .
  • the balloon 30 may have a structure or an additional member to maintain an appropriate size and pressure.
  • the balloon 30 when a force is applied to the medical catheter 1 in an outward direction for various reasons, for example, in a situation where a patient in a state of unconsciousness pulls the medical catheter 1, etc., the balloon 30 causes the body tissue In order not to cause such a problem as being damaged, it may have a structure or additional member for removing the pressure of the balloon 30 in an emergency.
  • the shape or structure of the balloon 30 may be determined to be disposed and maintained at an appropriate position in the body, and for this purpose, an additional member may be provided.
  • the balloon 30 may have a spherical balloon body 32 , and a fluid-filled hollow part 33 may be provided in the balloon body 32 .
  • a fluid supply pipe 34 may be provided inside the tube body 10 , and a fluid supply hollow part 35 may be provided in the fluid supply pipe 34 .
  • the fluid supply pipe 34 for supplying the fluid to the balloon 30 may be provided between the tube body 10 and the jelly supply pipe 20 .
  • the fluid supply hollow part 35 and the fluid filling hollow part 33 may communicate with each other through the injection hole 36 provided in the side part 16 of the tube body 10 . Accordingly, the fluid supplied from the balloon port 31 may be introduced into the balloon body 32 through the fluid supply pipe 34 .
  • continuous jelly supply is possible so as to reduce pain during insertion into the human body in the medical catheter 1 such as a Foley catheter or Levin tube.
  • being able to continuously supply jelly means continuously or intermittently supplying jelly according to the judgment or experience of the operator, or injecting jelly with a certain cycle or pressure by a separate insertion device without the operator It should be understood as a generic term for supplying.
  • the medical catheter 1 according to the embodiment of the present invention by using the medical catheter 1 according to the embodiment of the present invention, the operator's convenience is increased, and from the patient's point of view, the pain during the medical catheter 1 insertion procedure can be reduced.
  • the medical catheter 1 according to the embodiment of the present invention has a simple structure and high economic efficiency. In particular, it is easy to replace the existing catheter because it does not require additional equipment during the insertion procedure.
  • the operator can use it more easily and conveniently, and it is possible to reduce the pain during catheter insertion from the patient's point of view.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Epidemiology (AREA)
  • Urology & Nephrology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

La présente invention concerne un cathéter médical et, plus spécifiquement, un cathéter médical tel qu'un cathéter de Foley ou un tube de Levin, le cathéter médical pouvant fournir en continu une gelée pour atténuer la douleur provoquée par l'insertion dans un corps humain, peut être utilisé plus facilement et simplement par un opérateur, pouvant soulager la douleur d'un patient lorsque le cathéter est inséré, et ayant une structure simple et présentant ainsi un rendement économique élevé.
PCT/KR2020/006069 2019-11-28 2020-05-08 Cathéter médical WO2021107296A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0155584 2019-11-28
KR1020190155584A KR102393312B1 (ko) 2019-11-28 2019-11-28 의료용 카테터

Publications (1)

Publication Number Publication Date
WO2021107296A1 true WO2021107296A1 (fr) 2021-06-03

Family

ID=76130300

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/006069 WO2021107296A1 (fr) 2019-11-28 2020-05-08 Cathéter médical

Country Status (2)

Country Link
KR (1) KR102393312B1 (fr)
WO (1) WO2021107296A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110087310A (ko) * 2008-10-31 2011-08-02 대니엘라 안드리히 카테터 삽입을 위한 장치
KR101374492B1 (ko) * 2012-11-12 2014-03-25 고려대학교 산학협력단 비뇨기용 카테터 삽입 장치
US20150051625A1 (en) * 2012-03-05 2015-02-19 Gary Petrucci Treating Occlusions within Body Vessels
KR20160092786A (ko) * 2015-01-28 2016-08-05 영남대학교 산학협력단 배뇨 유도용 카테터 소독장치
US20170238950A1 (en) * 2016-02-24 2017-08-24 Incept, Llc Method of pulsatile neurovascular aspiration with telescoping catheter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101058241B1 (ko) 2010-07-23 2011-08-22 정경진 포리카테타 삽입을 위한 조립체
KR101856712B1 (ko) 2016-09-28 2018-05-15 (주)헵틸와이 친수성 의료용 카테터 및 그 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110087310A (ko) * 2008-10-31 2011-08-02 대니엘라 안드리히 카테터 삽입을 위한 장치
US20150051625A1 (en) * 2012-03-05 2015-02-19 Gary Petrucci Treating Occlusions within Body Vessels
KR101374492B1 (ko) * 2012-11-12 2014-03-25 고려대학교 산학협력단 비뇨기용 카테터 삽입 장치
KR20160092786A (ko) * 2015-01-28 2016-08-05 영남대학교 산학협력단 배뇨 유도용 카테터 소독장치
US20170238950A1 (en) * 2016-02-24 2017-08-24 Incept, Llc Method of pulsatile neurovascular aspiration with telescoping catheter

Also Published As

Publication number Publication date
KR20210066393A (ko) 2021-06-07
KR102393312B1 (ko) 2022-05-02

Similar Documents

Publication Publication Date Title
EP0417189B1 (fr) Catheter de dilatation par ballon
US5312430A (en) Balloon dilation catheter
US5836951A (en) Balloon dilation catheter
CA1330187C (fr) Catheter de dilatation a ballonnet
US5724994A (en) Fluidly expandable urethral plug assembly which receives fluid from an external source and method for controlling urinary incontinence
US6746421B2 (en) Intravesical device
US5090424A (en) Conformable urethral plug
US8777912B2 (en) Waste management system
US5876417A (en) Detachable catheter apparatus
CA1264136A (fr) Catheter intestinal long avec dispositif de drainage
CA2166915C (fr) Catheter intracavitaire pour radiotherapie
EP2142241B1 (fr) Cathéter
EP0935977A2 (fr) Cathéter urétral et un dispositif d'introduction
JPH06503982A (ja) 泌尿器管感染症又は他の疾患の自己管理治療に使用可能であり、尿道プラグとしても使用可能である器具の使用方法及びその取出可能な器具
US8105317B2 (en) Urethral sealing method and device
WO2021107296A1 (fr) Cathéter médical
WO2023106809A1 (fr) Dispositif de dérivation juxtaposé à une lumière transportant un fluide entre deux cavités corporelles
WO2022092503A2 (fr) Appareil de cathétérisme urétral
WO2021045311A1 (fr) Appareil d'inhibition du rétrécissement de l'urètre
CN2304401Y (zh) 双囊三腔前列腺灌注引流管
WO2023229225A1 (fr) Cathéter urétral ayant deux ballonnets, et poussoir pour endoprothèse urétrale
WO2023229090A1 (fr) Cathéter à ballonnet urétral dilatable à élution de médicament
CN113384391B (zh) 一种流量可控的造口清洗装置
CN212651212U (zh) 一种带有刻度功能的导尿管
WO2023058805A1 (fr) Dispositif de prévention de fuite de médicament

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20894056

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20894056

Country of ref document: EP

Kind code of ref document: A1