WO2016148432A1 - Outil de guidage pour l'insertion d'un cathéter d'urètre et kit de cathéter d'urètre comprenant celui-ci - Google Patents

Outil de guidage pour l'insertion d'un cathéter d'urètre et kit de cathéter d'urètre comprenant celui-ci Download PDF

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Publication number
WO2016148432A1
WO2016148432A1 PCT/KR2016/002332 KR2016002332W WO2016148432A1 WO 2016148432 A1 WO2016148432 A1 WO 2016148432A1 KR 2016002332 W KR2016002332 W KR 2016002332W WO 2016148432 A1 WO2016148432 A1 WO 2016148432A1
Authority
WO
WIPO (PCT)
Prior art keywords
urethral catheter
guider
diameter
fluid passageway
hole
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.)
Ceased
Application number
PCT/KR2016/002332
Other languages
English (en)
Korean (ko)
Inventor
박종관
박준성
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industry Academic Cooperation Foundation of Chonbuk National University
Chonbuk National University Hospital
Original Assignee
Industry Academic Cooperation Foundation of Chonbuk National University
Chonbuk National University Hospital
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 Industry Academic Cooperation Foundation of Chonbuk National University, Chonbuk National University Hospital filed Critical Industry Academic Cooperation Foundation of Chonbuk National University
Publication of WO2016148432A1 publication Critical patent/WO2016148432A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0041—Catheters; Hollow probes characterised by the form of the tubing pre-formed, e.g. specially adapted to fit with the anatomy of body channels
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • 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
    • A61M25/09—Guide wires
    • 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
    • A61M25/09—Guide wires
    • A61M25/09016—Guide wires with mandrils
    • 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
    • A61M2210/1089—Urethra

Definitions

  • the present invention relates to a technique for inserting a urethral catheter into the urethra, and more particularly to a guide mechanism and a urethral catheter kit having the urethral catheter is used to pass through the narrowed narrowing site.
  • Urethral catheters are used inserted through the urethra to drain urine in the bladder of a patient. Since the urethral catheter is made of a flexible and soft material, when the urethral catheter encounters a narrowing part due to stenosis or the like during insertion through the urethra, the distal end portion may be bent to enter.
  • the inventor of the present application has developed a method of inserting the urethral catheter 10 using the insertion guider 11 as shown in FIG. 1. Referring to FIG. 1, a small through hole 11 is formed at the tip of the urethral catheter 10, and the insertion guide 11 in the form of a wire passes through the inner hole of the urethral catheter 10. Extend through.
  • the urethral catheter 10 Since the urethral catheter 10 is inserted while being guided by the insertion guider 11, even when the tip of the urethral catheter 10 meets a narrowing narrowing position, the urethral catheter 10 is supported by the insertion guider 11 having a strong vertical hardness and stably passes. .
  • the narrowing degree is very severe and the narrowing area is narrower than the outer diameter of the urethral catheter, there is a problem that the urethral catheter does not pass through the narrowing area even when the insertion guide 11 is used.
  • Another object of the present invention is to provide a guider mechanism and a urethral catheter kit having the same, which are used to easily pass the urethral catheter through the narrowed portion of the urethra.
  • a mechanism for insertion of a urethral catheter provided at a distal end with a fluid passageway and a through hole smaller than the fluid passageway, the mechanism being inserted into the fluid passageway and having an outer diameter smaller than the diameter of the fluid passageway and extending longer than the urethral catheter.
  • a guider mechanism for urethral catheter insertion comprising a body portion to be extended and an extension portion extending from the tip of the body portion and having an outer diameter less than or equal to the diameter of the through hole.
  • the body portion may include a straight portion extending in a straight line and a curved portion bent in one direction from the tip of the straight portion, and the extension portion may be connected to the tip of the curved portion.
  • the guider mechanism may further include a handle portion formed on the body portion, and the handle portion may be positioned to be exposed to the outside of the urethral catheter when the tip of the body portion is inserted into the urethral catheter.
  • a urethral catheter having a fluid passageway, the urethral catheter communicating with the fluid passageway and having a through hole smaller than the fluid passageway; And a guider mechanism having a body portion smaller than a diameter of the fluid passageway and larger than the through hole and extending longer than the urethral catheter, and an extension portion extending from the tip of the body portion and having an outer diameter less than or equal to the diameter of the through hole.
  • a urethral catheter kit is provided.
  • a device for insertion of a urethral catheter, the fluid passageway and a through hole communicating with the fluid passage and smaller than the fluid passage at the tip comprising: a guide wire having an outer diameter less than or equal to the diameter of the through hole; And a guider tube having a guide passage extending in the longitudinal direction and open at both ends, wherein the guide passage has a diameter larger than the outer diameter of the guide wire, and the outer diameter of the guider tube is smaller than the diameter of the fluid passage.
  • the guider tube may include a straight portion extending in a straight line and a curved portion bent in one direction from the tip of the straight portion.
  • the guider tube may include a handle positioned to be exposed to the outside of the urethral catheter when the tip of the guider tube is inserted into the urethral catheter.
  • a urethral catheter having a fluid passageway, the urethral catheter communicating with the fluid passageway and having a through hole smaller than the fluid passageway; And a guider mechanism including a guide wire and a guide tube formed therein, the guide passage extending in a longitudinal direction and open at both ends thereof, wherein an outer diameter of the guide wire is equal to or less than a diameter of the through hole, and a diameter of the guide passage. Is larger than the outer diameter of the guide wire, and the outer diameter of the guider tube is smaller than the diameter of the fluid passage is provided.
  • FIG. 1 is a view illustrating a conventional urethral catheter insertion method.
  • FIG. 2 is a perspective view of the urethral catheter kit according to the first embodiment of the present invention.
  • Figure 3 is a side view of the urethral catheter kit shown in Figure 2, the urethral catheter is cut along the longitudinal direction to show the inside is shown.
  • FIGS. 2 and 3 are plan views from above showing the handle of the guider mechanism shown in FIGS. 2 and 3;
  • Figure 5 is a side view showing a urethral catheter kit according to a second embodiment of the present invention, the urethral catheter is cut along the longitudinal direction to show the inside.
  • FIG. 6 is a perspective view illustrating a guider mechanism through which a guide wire is passed in the urethral catheter kit of FIG. 5.
  • the urethral catheter kit 100 according to the first embodiment of the present invention includes a urethral catheter 110 and a guider mechanism 120 used to insert the urethral catheter 110. .
  • the urethral catheter 110 is severely narrowed in the urethra by the guider mechanism 120, so that even a portion narrower than the outer diameter of the urethral catheter 110 can be easily passed.
  • the urethral catheter 110 is in the form of an elongated tube, the fluid passage 111 having a predetermined diameter is formed inside the urethral catheter 110. Urine of the bladder is discharged through the fluid passage 111.
  • the tip 112 of the urethral catheter 110 is formed with a through hole 113 which communicates with the fluid passage 111 and has a diameter smaller than that of the fluid passage 111.
  • the length of the urethral catheter 110 is 40cm
  • the diameter of the fluid passage 111 is 2.5 to 6.5mm
  • the diameter of the through hole 113 is described as 1mm, which is just one example
  • the present invention is not limited thereto.
  • the urethral catheter 110 may be made of the same material as used in the conventional urethral catheter.
  • the urethral catheter 110 is inserted through the urethra until the tip 112 is positioned in the bladder.
  • the urine in the bladder flows into the fluid passage 111 through the through hole 113 and is discharged to the outside through the fluid passage 111.
  • the guider mechanism 120 has an elongated shape as a whole, and includes a body portion 130 and an extension portion 140 extending in the longitudinal direction from the tip of the body portion 130.
  • the urethral catheter 110 is easily passed by the guider mechanism 120 to a portion narrowed by the narrowing of the urethra.
  • Body portion 130 has a shape that extends as a whole thin and long, it is longer than the urethral catheter 110, has an outer diameter smaller than the fluid passage 111 and larger than the through hole 113.
  • the body portion 130 is described as having a length of 60cm and an outer diameter of 2 to 6mm, the present invention is not limited thereto.
  • the body portion 130 includes a straight portion 131 extending in a straight line and a curved portion 136 that forms a curved line in one direction from the tip of the straight portion 131.
  • the handle portion 132 is formed on the straight portion 131.
  • the handle portion 132 has a wide flat plate shape as shown to facilitate the operator's hand to push, pull or rotate the guider mechanism 120.
  • the handle portion 132 is positioned to be exposed to the outside of the urethral catheter 110 in a state where the body 130 enters the urethral catheter 110 as much as possible.
  • the curved portion 136 is curved and extends from one end of the straight portion 131 in one direction. In this embodiment, the length of the curved portion 136 is described as 5cm, but the present invention is not limited thereto.
  • the tip 137 of the curved portion 136 is caught by the tip 113 of the urethral catheter 110 in the fluid passage 111.
  • An extension 140 follows the tip 137 of the curved portion 136.
  • the reason why the curved portion 136 is formed is as follows. Since the shape of the urethra near the perineum is bent into a 'L' shape and leads to the bladder, the guider mechanism also takes a curved shape with various angles (from 1 degree to 90 degrees).
  • the body portion 130 has been described as having a curved portion 136, but the curved portion 136 may not be provided. That is, the body portion 130 may be in the form of extending in a straight line as a whole, which also belongs to the scope of the present invention.
  • Extension portion 140 is formed by extending in the longitudinal direction from the front end 137 of the curved portion 136. Extension portion 140 is formed thinner than the body portion 130 to pass through the through-hole 113 formed in the urethral catheter 110.
  • the extension portion 140 is described as having an outer diameter of 1mm equal to the diameter of the through hole 113, the present invention is not limited thereto.
  • the extension portion 140 is described as having a length of 40cm, the present invention is not limited thereto.
  • the operator pushes the urethral catheter 110 through the urethra.
  • the operator moves the guider mechanism 120 to the fluid passage 111 of the urethral catheter 110 so that the end of the extension 140 is first. Through).
  • the extension part 140 passes through the through hole 113 of the urethral catheter 110 and passes through the narrowing part, and the body part 130 including the curved part 136 does not pass through the through hole 113. It is in a state accommodated in the internal fluid passage 111 of the urethral catheter 110.
  • the urethral catheter 110 When the urethral catheter 110 enters in this state, the urethral catheter 110 is supported by the body portion 130 and passes through the stenosis. After the urethral catheter 110 has completed entry to the bladder, the guider mechanism 120 is removed and removed, and then a urine discharge process is performed.
  • the urethral catheter 110 is first inserted, and then the guider mechanism 120 is inserted.
  • the urethral catheter 110 may be inserted into the guider mechanism 120 while being inserted.
  • the urethral catheter 110 is pushed from the stenosis, it has been described as passing through the stenosis.
  • the guider mechanism 120 may be pushed in to pass the stenosis.
  • the urethral catheter 110 is hardened easily by the body portion 130 fitted inside the urethral catheter 110, the urethral catheter By fixing the inner surface of the 110, the narrower area than the outer diameter of the urethral catheter 110 is easily passed.
  • the urethral catheter kit 200 includes a urethral catheter 110 and a guider mechanism 220 used to insert the urethral catheter 110. Since the urethral catheter 110 is the same as the urethral catheter 110 of the first embodiment described with reference to FIGS. 2 to 4, a detailed description thereof will be omitted. 5 and 6, the guider mechanism 220 includes a guide wire 221 and a guider tube 222.
  • the guide wire 221 is an elongated wire or an elastic member.
  • the guide wire 221 may pass through a through hole 113 formed in the urethral catheter 110 through the fluid passage 111 formed in the urethral catheter 110.
  • the guide wire 221 is described as having an outer diameter of 1 mm that is the same as the through hole 113 formed in the urethral catheter 110.
  • Guide wire 221 has a longer length than the urethral catheter 110, in the present embodiment will be described as the length of the guide wire 221 is 130cm.
  • the guider tube 222 is in the form of a tube, and is provided with a guide passage 223 of a circular cross section extending in the longitudinal direction and open at both ends.
  • the guide passage 223 has a diameter larger than the outer diameter of the guide wire 221 so that the guide wire 221 passes therethrough.
  • the diameter of the guide passage 223 is described to be 1.2 mm or more.
  • the guider tube 222 has an outer diameter smaller than the diameter of the fluid passage 111 to be inserted into the fluid passage 111 of the urethral catheter 110.
  • the outer diameter of the guider tube 222 is described as 2 to 6mm, but the present invention is not limited thereto.
  • the guider tube 222 is longer than the urethral catheter 111 and shorter than the guide wire 221.
  • the guider tube 222 is described as 60cm, but the present invention is not limited thereto.
  • the guider tube 222 has a straight portion 223 extending in a straight line, a curved portion 224 bent to form a curve from one end of the straight portion 223, and a handle portion 232 integrally formed with the straight portion. ).
  • the guider tube 222 is described as being bent in shape, but, alternatively, the whole may be in a straight line shape, which is also within the scope of the present invention.
  • the operator pushes the urethral catheter 110 through the urethra.
  • the operator inserts the guide wire 221 through the fluid passage 111 of the urethral catheter 110.
  • the guide wire 140 passes through the narrowing portion past the through hole 113 of the urethral catheter 110.
  • the guider tube 222 is inserted into the fluid passage 111 of the urethral catheter 110 in a state where the guide tube 222 is inserted into the guide wire 140 and pushed to the stenosis.
  • the urethral catheter 110 when the urethral catheter 110 enters, the urethral catheter 110 is supported by the guider tube 222 and passes through the stricture site. After the urethral catheter 110 enters the bladder, the guide wire 221 and the guider tube 222 are removed and removed, and then a urine draining process is performed.
  • the urethral catheter 110 is first inserted, and then the guide wire 221 is described, but unlike the urethral catheter (1) after inserting the guide wire 221 first 110 may be inserted along the guide wire 221.
  • the urethral catheter 110 containing the guider tube 222 is pushed in the stenosis, it was described as passing through the stenosis, alternatively, the guider tube 222 may be pushed in to pass the stenosis.
  • the guider tube 222 is inserted into the fluid passage 111 of the urethral catheter 110, and the guide wire 221 passes through the passage 223 of the guider tube 222. In the state extending through the through-hole 113 of the urethral catheter 110, it is not easily bent by the guider tube 222 can easily pass through the narrow urethra.

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

Abstract

Comme un outil pour l'insertion d'un cathéter d'urètre comprenant un passage de fluide, et un trou traversant qui est en communication avec le passage de fluide, est plus petit que le passage de fluide, et est disposé sur une extrémité d'attaque, selon la présente invention, celle-ci concerne un outil de guidage pour l'insertion d'un cathéter d'urètre équipé d'une partie corps qui a un diamètre externe qui est plus petit que le diamètre du passage de fluide et qui est plus grand que le diamètre du trou traversant, et qui s'étend plus loin que le cathéter d'urètre ; et d'une partie d'extension qui s'étend depuis l'extrémité d'attaque de la partie corps et qui a un diamètre externe inférieur ou égal au diamètre du trou traversant.
PCT/KR2016/002332 2015-03-17 2016-03-09 Outil de guidage pour l'insertion d'un cathéter d'urètre et kit de cathéter d'urètre comprenant celui-ci Ceased WO2016148432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0036755 2015-03-17
KR1020150036755A KR20160111721A (ko) 2015-03-17 2015-03-17 요도 카테터 삽입용 가이더 기구 및 이를 구비하는 요도 카테터 키트

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WO2016148432A1 true WO2016148432A1 (fr) 2016-09-22

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PCT/KR2016/002332 Ceased WO2016148432A1 (fr) 2015-03-17 2016-03-09 Outil de guidage pour l'insertion d'un cathéter d'urètre et kit de cathéter d'urètre comprenant celui-ci

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KR (1) KR20160111721A (fr)
WO (1) WO2016148432A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106974717A (zh) * 2017-04-14 2017-07-25 江阴市人民医院 钢丝穿引器
CN107773289A (zh) * 2017-11-20 2018-03-09 山东大学齐鲁医院 一种专用于腹腔镜袖状胃切除术的引导管

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102156619B1 (ko) * 2018-06-01 2020-09-17 주식회사 나노메드 요도확장용 의료기구

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787884A (en) * 1987-09-01 1988-11-29 Medical Engineering Corporation Ureteral stent guidewire system
JPH11319074A (ja) * 1998-02-04 1999-11-24 Argomed Ltd 尿道カテ―テル及びガイド
KR20090023605A (ko) * 2006-05-17 2009-03-05 퍼큐테니어스 시스템즈 인코포레이티드 짧은 길이의 요관 스텐트를 전개하기 위한 방법 및 장치
KR100992872B1 (ko) * 2008-02-29 2010-11-09 인하대학교 산학협력단 요도 카테터
US20140171921A1 (en) * 2012-12-13 2014-06-19 University Of South Florida Urethral catheter assembly with a guide wire

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101481887B1 (ko) 2013-03-27 2015-01-21 전북대학교산학협력단 삽입 가이드를 이용하는 카테터 및 카테터 삽입 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787884A (en) * 1987-09-01 1988-11-29 Medical Engineering Corporation Ureteral stent guidewire system
JPH11319074A (ja) * 1998-02-04 1999-11-24 Argomed Ltd 尿道カテ―テル及びガイド
KR20090023605A (ko) * 2006-05-17 2009-03-05 퍼큐테니어스 시스템즈 인코포레이티드 짧은 길이의 요관 스텐트를 전개하기 위한 방법 및 장치
KR100992872B1 (ko) * 2008-02-29 2010-11-09 인하대학교 산학협력단 요도 카테터
US20140171921A1 (en) * 2012-12-13 2014-06-19 University Of South Florida Urethral catheter assembly with a guide wire

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106974717A (zh) * 2017-04-14 2017-07-25 江阴市人民医院 钢丝穿引器
CN106974717B (zh) * 2017-04-14 2023-10-10 江阴市人民医院 钢丝穿引器
CN107773289A (zh) * 2017-11-20 2018-03-09 山东大学齐鲁医院 一种专用于腹腔镜袖状胃切除术的引导管
CN107773289B (zh) * 2017-11-20 2024-04-12 山东大学齐鲁医院 一种专用于腹腔镜袖状胃切除术的引导管

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