WO2017078292A1 - Cathéter urétral à partie pliante - Google Patents

Cathéter urétral à partie pliante Download PDF

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Publication number
WO2017078292A1
WO2017078292A1 PCT/KR2016/011682 KR2016011682W WO2017078292A1 WO 2017078292 A1 WO2017078292 A1 WO 2017078292A1 KR 2016011682 W KR2016011682 W KR 2016011682W WO 2017078292 A1 WO2017078292 A1 WO 2017078292A1
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WO
WIPO (PCT)
Prior art keywords
bladder
insertion end
urethral catheter
catheter
connection
Prior art date
Application number
PCT/KR2016/011682
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English (en)
Korean (ko)
Inventor
박종관
박준성
Original Assignee
전북대학교병원
전북대학교산학협력단
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Application filed by 전북대학교병원, 전북대학교산학협력단 filed Critical 전북대학교병원
Publication of WO2017078292A1 publication Critical patent/WO2017078292A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • 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

Definitions

  • the present invention relates to a urethral catheter having a folded portion, and more specifically, to prevent the hook from being generated on the surgical site by allowing the end of the urethral catheter to be bent by a pull line when the urethral catheter is inserted. It is directed to a urethral catheter that allows the urethral catheter end to be easily inserted into the bladder.
  • catheter insertion involves injecting the catheter into the body cavity, urethra, or blood vessels to allow access to surgical instruments, or to allow fluid to be discharged to the outside or injected into the surgical site.
  • the urinary catheter a component of the catheter, is used to inject urine from the bladder in order to inject drugs into the bladder or to relieve severe urine stagnation caused by an enlarged prostate.
  • the prostate gland has a weight of about 20 g and is located in the lower portion of the bladder close to the bladder, and passes through the center of the prostate gland and the urethra.
  • the urethra passes through the center of the prostate gland, when the prostate enlarges due to enlargement of the prostate or prostate cancer, the urethra becomes narrower, which makes it difficult to pass urine.
  • One method of treatment of the prostate-related diseases is to remove the prostate area narrowed by surgical procedure by endoscopic or laparotomy, insert the urethral catheter into the bladder through the urethra, and urinary urinary catheter until the incision is stabilized. To be discharged.
  • the urethra in which the urethral catheter is inserted is formed to be bent upward from the portion close to the bladder inlet, and even during prostatectomy, a deeper bend is made at this part due to surgery. Therefore, the stepped portion is formed at the bladder inlet by removing the prostate gland, so that the end portion is caught by the urethral step when the urethral catheter is inserted, making it difficult to enter the bladder.
  • the urethral catheter has flexibility, the tip end is bent when it is caught on the step, making it difficult to enter the bladder. The jamming caused by the bending of the tip portion is also generated in the insertion process of the urethral catheter into a portion where the existing urethra narrows.
  • Korean Patent Registration No. 1481887 (2015.01.06.registration; hereafter referred to as 'prior document 1') has suggested a catheter and a catheter insertion method using an insertion guide.
  • the prior document 1 is a catheter that is inserted into the urethra by the insertion guide inserted into the urethra first, and using the insertion guide to discharge the body fluid contained in the bladder after removing the insertion guide, the hollow is formed and exposed to the outside tube;
  • An inner tube provided in a hollow shape on the inner side of the outer tube to form a discharge path of the body fluid and spaced apart from an inner surface of the outer tube;
  • a prostate compression balloon attached to the outer tube and expanded to compress the prostate;
  • Korean Patent Registration No. 0992872 (registered on November 2, 2010; hereinafter referred to as 'Previous Document 2') presented a urethral catheter.
  • the prior art document 2 is closed at one end, the main pipe is formed in each of the urine passage for moving the urine and the fluid passage for moving the fluid;
  • a fluid outlet connected to the fluid passage at one end of the main pipe;
  • a plurality of expansion portions which are expandable and coupled to the side surfaces of the main pipe so as to be inclined toward the axial center of the main pipe while being wrapped around the fluid outlet and to be caught inside the bladder;
  • a urine inlet formed on the side surface of one end of the main pipe and connected to the urine passage, the urine inlet being formed in the axial direction of the main pipe or overlapping the expansion part than the expansion part;
  • a urine discharge part connected to the urine passage and coupled to the other end of the main tube;
  • a fluid inflow portion connected to the fluid passage and coupled to the other end of the main pipe, wherein the main pipe communicates with the
  • the prior art documents 1 and 2 are inserted into the bladder through the urethra first through the endoscope and guided to the inserted insertion guide to insert the urethral catheter to the bladder along the urethra to the bladder inlet during the insertion of the urethral catheter.
  • the effect of preventing the phenomenon is provided, but it requires a double operation of inserting the insertion guide and the urethral catheter to the bladder through the urethra, which has a long procedure time.
  • Korean Laid-Open Patent Publication No. 2003-0069757 (published Aug. 27, 2003; hereafter referred to as 'Previous Document 3') presented a urinary catheter in the bladder.
  • the prior art document 3 includes a bladder indwelling catheter inserted into the body cavity of a patient for urination, and includes an intra-bladder insertion part inserted into the bladder and an extra-bladder insertion part which is formed integrally with the intra-bladder insertion part and located outside the bladder.
  • Main body A discharge pipe installed inside the main body to discharge urine; First fixing means formed in the bladder insert; And it was presented in the bladder indwelling urinary catheter characterized in that it comprises an expansion means that one side is fixed to the first fixing means.
  • the prior document 3 forms a plurality of openings on the side adjacent to the insertion end of the urinary catheter, and pulls the insertion end by using a string as an extension means to extend the portion formed with the opening to be caught by the bladder without a separate expansion means
  • the simple structure prevents the removal of the catheter.
  • the prior art document 3 has a simple structure, but the structural strength of the catheter end is reduced by a plurality of openings of the catheter (catheter), so that the insertion of the catheter is caught at the step or the surgical site at the bladder inlet when the bladder is inserted into the bladder. There is a problem that is not easily made.
  • the present invention is to provide a display means for displaying the bending direction of the end of the tube on the outer surface of the tubular body of the urethral catheter so that the direction of bending the end of the urethral catheter can be easily confirmed.
  • another object of the present invention is to provide a device having a structure that can easily remove the pull string, which is a means for bending the urethral catheter.
  • Another object is to provide a device having a structure that bends easily.
  • the urethral catheter which is a tubular body formed in the bladder and has an insertion end portion formed with a plurality of through-holes, a connection end portion exposed to the outside, and a discharge flow path for discharging the body fluid in the bladder by communicating with the insertion end portion and the connection end portion, At a position spaced apart from the insertion end in the direction of the other connecting end by forming a fold in the form of a groove or a through-hole thinner horizontally, when the load is applied to the insertion end side can be bent to one side around the fold. have.
  • a folding portion may be formed on an outer surface of the connection end portion that is exposed to the outside, and a display portion for displaying a direction in which the insertion end is bent may be further formed.
  • a portion close to the insertion end is connected to one side of the pull string extending to the outside is formed to pull the pull string from the outside can be bent to the insertion end side to one side around the folded portion.
  • the pull string may be formed of a corroded material, or the middle portion of the pull string passes through the connection portion, and both ends may be installed to be positioned outside the tubular connection end portion so that the pulling line may be removed after the procedure.
  • the connecting portion is formed in a position close to the insertion end but side by side cutting through the pipe to form a loop by bending the portion between the two incision in the direction of the discharge flow path or to form an additional ring on the inner wall of the discharge flow path to connect one side of the pull string
  • the folding part may be formed on a surface opposite to the surface on which the connection portion is formed, but may be formed at a position spaced 1 to 20 mm in the direction of the connection end at the position where the connection portion is formed.
  • the discharge flow path further forms a ring-shaped hinge connection portion on the inner wall surface facing the inner wall formed with the connection portion, but the hinge connection portion cuts the pipe side by side to form a ring by bending the portion between the two incision in the discharge flow path direction or
  • the discharge passage may form a loop on the inner wall, and the pull string may be connected to the connection portion through the hinge connection portion so that the pull may be made in the direction of the hinge connection portion at the connection portion.
  • the folded portion is a through-hole that is horizontally penetrated, and the inner wall of the tube is formed through the inner communication pipe penetrating from the lower surface of the folded portion to the connecting end, and penetrates to both sides at a predetermined distance from the folded portion in the direction of the insertion end.
  • Forming a connection hole, the pulling line, one end is introduced into the inner communication tube of the connection end side is discharged to the lower surface of the fold and then pass through the two connection holes in sequence, and then flows into the inner communication tube of the lower surface of the fold It may be provided in a structure that is connected to be discharged to the connection end side.
  • the folded portion is a through-hole that is horizontally penetrated
  • the inner wall of the tube is formed through the inner communication pipe penetrating from the lower end of the folded portion to the connecting end, the inner surface of the folded portion is formed in the inner communication U-shaped tube in the insertion end direction
  • the pulling line one end is introduced into the internal communication tube of the connecting end side is discharged to the lower surface of the folded portion and then introduced into one side of the inner communication U-shaped tube of the upper surface of the folded portion to be discharged to the other side, the inside of the lower portion of the folded portion It may be provided in a structure that is connected to flow into the communicating straight pipe and discharged toward the connection end side.
  • the insertion end can be positioned within the bladder by passing through a catch of an inlet portion entering the bladder without an insertion guide.
  • the insertion end side of the urethral catheter tube can be easily folded to one side by the pulling line and the folding part, so that the insertion into the bladder can be easily performed through the method of passing through the step of the bladder inlet, thus reducing the procedure time and installation. It is possible to provide a useful device that can reduce the equipment cost.
  • FIG. 1 is a perspective view schematically showing a urethral catheter according to the present invention.
  • Figure 2a and Figure 2b is an enlarged longitudinal cross-sectional view showing the operating state of the insertion end of the urethral catheter according to the present invention.
  • FIG. 2C A-A partial sectional view of FIG. 2C.
  • Figure 3 is a cross-sectional view showing an operating state of the hinged urethral catheter formed in accordance with the present invention.
  • Figures 4a and 4b is a plan view and a cross-sectional view showing another form of connecting portion and the hinge connection in accordance with the present invention.
  • Figure 5 is a perspective view showing the main part of the urethral catheter formed display unit according to the present invention.
  • FIG. 6 and 7 is a schematic diagram showing another installation example of the pull string according to the present invention.
  • FIG. 1 is a perspective view schematically showing a urethral catheter according to the present invention.
  • the urethral catheter 10 is composed of a tubular body 20 having a discharge passage 23 that is a hollow portion therein.
  • Insertion end 21, which is one end of the tubular body 20, is an end inserted into the bladder through the urethra
  • the connecting end 22, which is the other end of the tubular body is located outside the human body and pee inside the bladder through the insertion end. This part discharges to the outside.
  • the tube includes a fluid (physiological saline, etc.) injection line, which is commonly used, so that a portion of the urethral catheter tube close to the insertion end is expanded by sap injection to prevent the inserted urethral catheter from being removed. This can be implied.
  • the urethral catheter 10 has a plurality of through-holes 25 are formed in the side close to the insertion end 21 is inserted into the bladder, as shown in Figure 2a can be easily introduced into the urinary bladder, the insertion end It can be used as a through-hole through the use of the existing insertion guide to form a through-hole or through the endoscope.
  • the urethral catheter 10 has a connection portion 30 is formed on the inner wall of the discharge passage 23 adjacent to the insertion end, the pull portion 40 is connected to the connection portion extending to the outside through the connection end.
  • the pulling string 40 is connected to the inner wall surface of one side of the urethral catheter, the pulling force when the pulling string is applied to one side of the urethral catheter is acted on one side of the urethral catheter. Will be bent.
  • the urging catheter 10 reaches the bladder inlet while the direction of travel is turned at the front part of the bladder inlet.
  • the insertion end 21 of the urethral catheter is bent inwardly in the direction of the pivoting central axis so that the pivoting outer side has an inclined surface 24 while being in contact with the pivoting outer inner wall of the urethra. Will proceed. Therefore, the inclined surface 24 generated by bending the insertion end of the urethral catheter can cross over the step formed by the prostatectomy or the bladder inlet structure, so that the urethral catheter can be inserted to the inside of the bladder without the urethral catheter insertion guide. It can be done easily.
  • the urethral catheter tube 20 may be formed in a predetermined direction by forming a folding part 50 to set a folding position in advance to bend with a pulling force.
  • the foldable portion 50 is formed in a portion of the tubular body 20 in a direction opposite to the inner wall of the discharge passage 23 in which the connecting portion 30 is formed, and is formed in a direction orthogonal to the line in which the discharge passage is formed, but the thickness of the tubular body is increased. It may be formed thin in the horizontal, or may be formed in the form of a through hole, in addition to a plurality of through holes can be formed in various forms such as to lower the structural strength than other parts. In this way, when the structural strength is lowered by the wrinkles, the pulling force is concentrated at the wrinkles when the pull string is pulled.
  • the folded portion 50 may be formed in a semicircle or similar size in a direction opposite to the surface on which the connection portion 30 is formed in the cross section of the tube.
  • the connection portion 30 is formed at a position spaced from 1 to 10mm from the insertion end 21, it is preferable that the connection portion 30 is formed at a position spaced from 1 to 20mm in the direction of the connection end is expressed to the outside from the position formed.
  • a hinge connection part 60 may be further formed on the inner surface of the discharge passage 23.
  • the hinge connecting portion 60 is a pull line 40 connected to the connecting portion 30 to the inner tube, and sets the direction in which the connecting portion is pulled. That is, when the pull line 40 is pulled without the hinge connector 60, the force acting in the axial direction of the tubular body is greater in the connector 30 than the side, so that a large force must be applied to bend the insertion end of the urethral catheter. If the pulling force increases, the pulling string may be broken or the connection may be broken.
  • the pulling force acting on the connecting portion 30 is substantially reduced. Since the hinge connector 60 is pulled in a lateral direction other than the axial direction, the insertion end portion 21 may be bent by a relatively smaller force than when the hinge connector 60 is not formed.
  • connection portion 30 and the hinge connecting portion 60 as shown in Figures 2a to 3 in addition to the form formed in the inner wall surface of the urethral catheter body in addition to the ring as shown in Figures 4a and 4b.
  • Pipes of the parts to be connected are cut in pairs in a longitudinal direction or in a transverse direction perpendicular to each other to form an incision 29 and bend or pull a portion between the two incisions in the direction of the discharge flow path to form an annular shape. Can be.
  • the incision portion 29 may be connected to the pulling line by forming only one in the upper portion of Figure 4a, or to form a plurality of incisions in the upper and lower portions to connect the pulling line, the cut portion formed in the intermediate point and the hinge connection portion The method of forming on the opposite sides can be applied.
  • the display portion 70 may be further formed on the urethral catheter 10 so as to be easily grasped in the bending direction of the insertion end side.
  • the display unit 70 may be displayed on the connection end portion 22 side of the urethral catheter so as to be inserted in the desired direction when the urethra is inserted to easily pass a portion where a jam may occur.
  • Such an indication may be provided in various forms such as printing or protrusions or grooves by a color different from the urethral catheter tube.
  • the pulling line 40 is preferably removed after the urethral catheterization because the insertion end 21 of the urethral catheter is unnecessary after being placed in the bladder.
  • the pulling line 40 is removed by pulling the central part of one strand of the strand and connecting both ends of the pull line to the outside. After the completion of the urethral catheterization procedure, the ends of either end of the pull line are pulled out. You can use
  • the pull string itself may be made of a corrosive material to be corroded after a certain time to be discharged to the outside as the body fluid discharged.
  • tubular body 20 of the urethral catheter may also be made of a material that minimizes friction when inserted into the human body so that the urethral catheter may be easily inserted into the urethra.
  • the urinary catheter 10 is inserted into the bladder through the urethra with the insertion end 21 of the tubular body 20 as a head.
  • the pull string 40 is pulled in the axial direction of the urethral catheter 10 from the outside of the tube, the pull direction is changed by the hinge connection portion 60 support in the middle of the connection portion 30 is the hinge connection portion Will act in the direction.
  • the hinge connecting portion 60 is formed in the opposite direction of the connecting portion 30, the pulling force acts in the lateral direction, not the axial direction of the urethral catheter, so that the insertion end portion 21 of the tubular body 20 is folded portion ( It is easily bent around 50).
  • the bent portion of the tubular body in which the insertion end portion is bent is inserted into the bladder while having the inclined surface 24 and is inserted into the bladder, thereby allowing the installation of the urethral catheter without any additional action or insertion guide.
  • the urethral catheter of the present invention may be provided only the fold 50 without the pull.
  • the folded portion 50 is formed in a groove shape formed thinner than the surroundings as described above, or formed in the form of one or a plurality of through holes to reduce the structural strength.
  • the installation form of the pulling line 40 may be applied in various forms in addition to the above-described ring-shaped connection method.
  • the pulling line 40 may be installed through a microtubule formed in the wall of the tubular body 20 of the urethral catheter.
  • the urethral catheter 10 according to the embodiment of the present invention was formed in the form of a long through the folded portion 50 in the transverse direction of the tube.
  • an internal communication pipe 26 was formed inside the wall of the tube body 20.
  • the internal communication pipe 26 is communicated from the lower surface of the folded portion 50 which is a through hole to the pipe connection end 22.
  • the insertion end side of the upper side of the folded portion 50 is formed with a connection hole 27 through-holes on both sides at a position spaced apart from the folded portion by a predetermined distance.
  • one end is introduced into the end of the internal communication pipe 26 formed on the connection end 22 side and discharged into the internal communication pipe end of the lower surface of the folded portion 50, two connection holes Pass (27) sequentially.
  • the pull string 40 discharged to the end of the internal communication pipe 26 of the folding portion 50 is removed to the outside of the urethral catheter tube, the first connecting hole (27) ) Into the discharge passage 23 inside the pipe, and withdraws out through the pipe through the second connecting hole, and then inserts into the end of the internal communication pipe 26 of the folded part 50, and finally the end of the pull line. It is to be discharged to the internal communication pipe end of the pipe connecting end side.
  • the two connecting holes 27 and the folded portion 50 may be formed on the opposite sides of the tube in addition to the method of forming the same direction on the surface of the tube.
  • the pull line drawn out to the inner communicating tube end of the folded part is discharged to the outside of the pipe through the first connecting hole and is introduced into the pipe through the second connecting hole to be drawn out to the connecting end side through the inner communicating tube end of the folding part.
  • the folded portion 50 is formed to have a long through-hole in the transverse direction, and is formed inside the tubular wall and communicates the lower surface of the folded portion 50 with the tubular connection end 22.
  • the internal communication straight pipe 26 and the internal communication straight pipe 26 and the folded portion formed in the inner wall surface of the folded portion 50 to form an internal communication U-shaped pipe 28 formed with a flow path in a U shape on the upper surface.
  • one end is introduced into the inner communication straight pipe 26 end formed at the connecting end 22 side and discharged into the inner communication straight pipe end of the lower surface of the folded part 50, and the inner part formed on the upper folded part.
  • the pulling string 40 passed through the internal communication U-shaped tube is introduced into the end of the internal communication straight pipe (26) formed on the lower surface of the folded portion finally It is discharged to the outside through the pipe connecting end.
  • the inner communication U-shaped tube 28, through which the pull string passes, is pulled toward the folded portion, and the folded portion 50 having the low structural strength is the hinge shaft. This is folded while the tube insertion end portion 21 side of the folded portion is bent. Therefore, the urethral catheter 10 can be stably positioned in the bladder through the bent portion of the insertion direction through the bent portion of the urethral catheter insertion end side in the insertion process so that the urine can be discharged to the outside of the body.
  • the inner communicating U-shaped tube and the inner communicating straight pipe is located in the wall surface of the pipe, or formed in the form of attaching a separate micro-pipe to the discharge flow path surface inside the pipe to provide an effect of bending the insertion end side by the pull line. can do.

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

Abstract

La présente invention concerne un cathéter urétral ayant une partie pliante et, plus particulièrement, un cathéter urétral qui permet à une extrémité du cathéter urétral d'être tirée et pliée par l'intermédiaire d'une corde de traction lorsque le cathéter urétral est inséré après une intervention chirurgicale de la prostate, afin d'empêcher un blocage sur un endroit surélevé qui apparaît au niveau de la zone de chirurgie et pour insérer l'extrémité du cathéter urétral facilement dans la vessie.
PCT/KR2016/011682 2015-11-02 2016-10-18 Cathéter urétral à partie pliante WO2017078292A1 (fr)

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Application Number Priority Date Filing Date Title
KR1020150153187A KR101664348B1 (ko) 2015-11-02 2015-11-02 접힘부를 갖는 요도카테터
KR10-2015-0153187 2015-11-02

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN110064119A (zh) * 2019-05-23 2019-07-30 上海市杨浦区中心医院(同济大学附属杨浦医院) 简易导尿管
CN112245785A (zh) * 2020-11-21 2021-01-22 南阳市中心医院 经尿道植入式导尿管注药冲洗装置

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Publication number Priority date Publication date Assignee Title
KR101664348B1 (ko) * 2015-11-02 2016-10-11 전북대학교병원 접힘부를 갖는 요도카테터
KR102086353B1 (ko) 2018-03-07 2020-03-09 주식회사 에스엠메디컬 패드 일체형 자가도뇨용 카테터
KR20190002340U (ko) 2018-03-12 2019-09-20 김광수 콘돔형 요도관
KR102143070B1 (ko) 2018-09-20 2020-08-10 연세대학교 산학협력단 내시경 수술장치

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KR100992872B1 (ko) 2008-02-29 2010-11-09 인하대학교 산학협력단 요도 카테터
KR101481887B1 (ko) 2013-03-27 2015-01-21 전북대학교산학협력단 삽입 가이드를 이용하는 카테터 및 카테터 삽입 방법

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JPH0648674U (ja) * 1992-10-09 1994-07-05 アンギオーメド アクチェンゲゼルシャフト ステント・セット
JPH06343702A (ja) * 1993-06-04 1994-12-20 Terumo Corp カテーテルチューブ
JP4521203B2 (ja) * 2004-02-25 2010-08-11 富士フイルム株式会社 内視鏡の湾曲部
JP2013106713A (ja) * 2011-11-18 2013-06-06 River Seiko:Kk 医療用チューブの湾曲構造
US20130165750A1 (en) * 2011-12-22 2013-06-27 Himax Imaging Limited Endoscope capable of changing direction
KR101664348B1 (ko) * 2015-11-02 2016-10-11 전북대학교병원 접힘부를 갖는 요도카테터

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110064119A (zh) * 2019-05-23 2019-07-30 上海市杨浦区中心医院(同济大学附属杨浦医院) 简易导尿管
CN112245785A (zh) * 2020-11-21 2021-01-22 南阳市中心医院 经尿道植入式导尿管注药冲洗装置

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