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WO2014051217A1 - Cathéter médical - Google Patents

Cathéter médical Download PDF

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Publication number
WO2014051217A1
WO2014051217A1 PCT/KR2013/000141 KR2013000141W WO2014051217A1 WO 2014051217 A1 WO2014051217 A1 WO 2014051217A1 KR 2013000141 W KR2013000141 W KR 2013000141W WO 2014051217 A1 WO2014051217 A1 WO 2014051217A1
Authority
WO
WIPO (PCT)
Prior art keywords
catheter hub
catheter
medical device
medical
elastic film
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/KR2013/000141
Other languages
English (en)
Korean (ko)
Inventor
김부윤
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2014051217A1 publication Critical patent/WO2014051217A1/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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • 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
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A61M2039/0633—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof the seal being a passive seal made of a resilient material with or without an opening
    • A61M2039/064—Slit-valve

Definitions

  • the present invention relates to a medical catheter, in particular to prevent the flow of blood back from the catheter before the needle unit is removed after insertion of the catheter tube into the blood vessel and before installing the medical device or when the medical device is accidentally released from the catheter It relates to a medical catheter for.
  • a catheter is a tube used for discharging the contents of the body cavity (pleural cavity, peritoneal cavity) or the contents of the coronary and cystic organs, and is also applied to the infusion of fluids and medicines.
  • the shape or thickness may vary.
  • the catheter tube 11 is provided in the form of a flexible tube, and the catheter tube 11 and the medical device on the end side of the catheter tube 11.
  • the catheter hub 12 is provided to connect the F) to configure the catheter 10.
  • the medical device (F) may be applied to the discharge of body fluids, such as blood, or a tube or syringe for injection of drugs such as fluid.
  • the needle unit 20 is fitted to the catheter (10).
  • the needle tube 21 provided in the needle unit 20 is fitted to the catheter tube 11 so that the end of the needle tube 21 is exposed to the outside of the catheter tube 11.
  • pressurizing the blood vessel in front of the catheter 10 may reduce the backflow of blood, but it is impossible to completely prevent it.
  • the method of pressurizing the blood vessels is difficult to determine the exact position because the blood vessels are not visible to the naked eye, there is a problem that the catheter 10 is broken in the blood vessels due to the pressure, the safety is low.
  • the present invention is to solve the above problems, by installing an incision elastic membrane inside the catheter to open the catheter when connected to the medical device, the catheter is closed when the medical device is removed to prevent the blood outflow There is a purpose.
  • Medical catheter of the present invention to achieve the above object, one end is connected to the catheter tube, the other end of the first catheter hub open; A second catheter hub having one end connected to the other end of the first catheter hub and the other end connected to the medical device; A first elastic film provided in the second catheter hub to open and close between the first catheter hub and the second catheter hub; It includes, but the first elastic film is made of an elastic material, the incision is formed when the medical device is inserted into the first catheter hub or the second catheter hub is inserted, the incision is formed, when the medical device is inserted It is elastically deformed to open in the opposite direction of the medical device and opens between the first catheter hub and the second catheter hub and elastically restores to be collected when the medical device is separated to close the first catheter hub and the second catheter hub.
  • a first fixing protrusion protrudes in a center direction from an inner circumference of the second catheter hub, and the first elastic film is installed inside the second catheter hub, and the first fixing protrusion is disposed on an outer circumference of the first elastic film.
  • a first fixing groove is formed to be coupled to.
  • a second elastic film provided inside the second catheter hub and made of an elastic material; It further comprises, The second elastic film, Compression portion formed convex in the first catheter hub direction; A compression hole formed in the compression unit and into which the medical device is inserted; The compression hole is expanded when the medical device is inserted, and the compression unit compresses the medical device by contracting the compression hole while moving in the direction of the second catheter hub when the medical device is removed.
  • a second fixing protrusion protrudes in a center direction at a position spaced apart from the first fixing protrusion at an inner circumference of the second catheter hub, and a second fixing groove coupled to the second fixing protrusion at an outer circumference of the second elastic membrane. Is formed.
  • the first elastic film is formed with an incision groove concave in the direction of the first catheter hub, the incision groove is disposed adjacent to the outer periphery of the incision.
  • Medical catheter of the present invention as described above has the following effects.
  • the incision of the first elastic membrane is elastically deformed to open in the opposite direction of the medical device when the medical device is inserted to open between the first catheter hub and the second catheter hub, and is elastically restored to be collected when the medical device is detached.
  • the cutout portion may be formed in plural numbers so that one end thereof is overlapped with another adjacent cutout portion, thereby enhancing the airtightness of the first elastic membrane to prevent blood leakage as much as possible.
  • the compression hole is contracted to compress the medical device so that the medical device is unintentionally released from the second catheter hub by external force. It is effective to prevent the release by tightening to a higher pressure.
  • the compression hole is formed in the inner diameter is gradually narrower toward the first catheter hub toward the first catheter hub, the compression portion forming the inner peripheral surface of the compression hole when the medical device is unexpectedly separated from the second catheter hub by an external force
  • FIG. 1 is a structural diagram showing a state in which the needle unit is fitted to the catheter mechanism according to the prior art
  • FIG. 2 is a structural diagram showing a state in which the catheter device according to the prior art is inserted into the blood
  • FIG. 3 is a perspective view of a medical catheter according to an embodiment of the present invention.
  • Figure 4 is an exploded perspective view of a medical catheter according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional structural view showing a state before inserting a medical device in a medical catheter according to an embodiment of the present invention
  • FIG. 6 is a cross-sectional structural view showing a state after inserting a medical device in a medical catheter according to an embodiment of the present invention
  • FIG. 7 is a cross-sectional structural view showing a state when the medical instrument is to be separated from the medical catheter according to an embodiment of the present invention
  • FIG. 8 is a plan view of the cutout according to another embodiment of the present invention.
  • FIG 3 is a perspective view of a medical catheter according to an embodiment of the present invention
  • Figure 4 is an exploded perspective view of a medical catheter according to an embodiment of the present invention
  • Figure 5 is before inserting a medical device in the medical catheter according to an embodiment of the present invention
  • Figure 6 is a cross-sectional structural view showing a state
  • Figure 6 is a cross-sectional structural view showing a state after inserting the medical device in the medical catheter according to an embodiment of the present invention
  • Figure 7 is to be detached from the medical catheter according to an embodiment It is a cross-sectional structural diagram which shows the state at the time of making.
  • the medical catheter according to the embodiment of the present invention is the first catheter hub 100, the second catheter hub 200, the first elastic film 300, the second elastic film 400 )
  • Both ends of the first catheter hub 100 are formed in a generally long cylindrical shape, one end is connected to the catheter tube (N), and the other end is connected to the second catheter hub 200 to be described later.
  • the first catheter hub 100 is formed with a diameter of one end smaller than the diameter of the other end, made of a synthetic resin such as plastic.
  • the first catheter hub 100 includes a main body 110, a first coupling part 120, and an airtight member 130.
  • the main body 110 is formed in a hollow cone shape having a small diameter in one direction, and the catheter tube (N) is connected to one end.
  • the catheter tube (N) is a synthetic resin material, is inserted into the blood vessel in the state of inserting a needle unit (not shown) when the medical device (F) is installed to communicate the blood vessel and the first catheter hub 100, the medical The instrument F allows fluid to be injected into the vessel.
  • the medical device (F) is a tube for drug injection, such as infusion is applied, and in some cases, a body fluid discharge tube such as blood or a syringe may be applied.
  • the first coupling portion 120 has a hollow cylindrical shape, extending from the other end of the main body 110 in the direction of the second catheter hub 200, that is, in the direction of the medical device (F), the outer diameter of the It is formed smaller than the outer diameter of the main body 110.
  • the first coupling part 120 is formed to protrude stepwise at the other end of the main body 110.
  • a male screw thread 121 is formed on an outer circumferential surface of the first coupling part 120.
  • the male thread 121 is screwed to the inner circumferential surface of the second coupling portion 210 to be described later to couple the first catheter hub 100 and the second catheter hub 200.
  • the airtight member 130 is made of a silicon material, and may be made of various materials having flexibility in some cases.
  • the airtight member 130 may be formed as a tube filled with air therein.
  • the hermetic member 130 is mounted on the outer circumferential surface of the first coupling part 120 to be in contact with the other end of the main body 110.
  • the airtight member 130 is formed along the edge of the first coupling portion 120.
  • the hermetic member 130 is in close contact with the second coupling portion 210 of the second catheter hub 200 when screwing the second catheter hub 200 to the first catheter hub 100 to be described later Blood or sap is prevented from leaking between the first catheter hub 100 and the second catheter hub 200.
  • the second catheter hub 200 is a hollow cylindrical shape, the length is shorter than the length of the first catheter hub 100, made of a synthetic resin.
  • One end of the second catheter hub 200 is connected to the other end of the first catheter hub 100, and the other end thereof is connected to the medical device F.
  • the second catheter hub 200 includes a second coupling part 210, a locking part 220, a first fixing protrusion 230, a second fixing protrusion 240, Spacer 250 is made.
  • the second coupling portion 210 is formed to match the outer diameter of the other end diameter of the main body 110 so that the outer appearance is smooth.
  • a female thread 211 is formed on the inner circumferential surface of the second coupling part 210 to be screwed with the male screw thread 121 of the first coupling part 120. That is, the second coupling part 210 is screwed in a form surrounding the first coupling part 120.
  • the second coupling part 210 is coupled to surround the first coupling part 120, thereby facilitating the assembly of the first coupling part 120 and the second coupling part 210, and hermeticity. To improve the effect of preventing leakage.
  • male threads 121 may be formed on the outer circumferential surface of the second coupling part 210, and female threads 211 may be formed on the inner circumferential surface of the first coupling part 120 to be screwed together.
  • the other end of the second coupling portion 210 that is, the end of the medical device (F) direction is the locking portion 220 protrudes in the center direction.
  • the engaging portion 220 is formed along the inner circumferential surface of the second coupling portion 210 to form a circular ring shape, the inner diameter is smaller than the inner diameter of the first coupling portion 120 and the second coupling portion 210. Is formed.
  • the second elastic layer 400 to be described later is mounted on the locking portion 220.
  • the other end of the second coupling portion 210 is formed with a circular flange portion 225 protruding along the outer circumference.
  • the first fixing protrusion 230 protrudes from the inner circumference of the second coupling portion 210 in the center direction, that is, the inner direction, and has a circular ring shape along the inner circumference of the second coupling portion 210. Achieve.
  • the first fixing protrusion 230 is preferably disposed at an intermediate point between one end and the other end of the second catheter hub 200, as shown in Figure 5, the arm in the direction of the engaging portion 220
  • the thread 211 is disposed at the end portion.
  • the outer periphery of the first elastic film 300 which will be described later, is unevenly coupled to the first fixing protrusion 230, and the first elastic film 300 is strengthened by strengthening the fixing force of the first elastic film 300.
  • the second catheter hub 200 is prevented from being separated or flowed.
  • the second fixing protrusion 240 protrudes from the inner circumferential surface of the second coupling part 210 to the center direction, that is, the inner direction of the second coupling part 210, and is the same as the first fixing protrusion 230. It is formed in a circular ring shape along the inner peripheral surface of the second coupling portion (210).
  • the second fixing protrusion 240 is disposed adjacent to one end of the catching part 220 in the direction of the first catheter hub 110, and between the spacer part 250 and the catching part 220 which will be described later. Is placed on.
  • the spacer 250 is disposed between the first fixing protrusion 230 and the second fixing protrusion 240 and protrudes along an inner circumferential surface of the second catheter hub 200.
  • the spacer 250 has one end in contact with the first elastic film 300 and the other end in contact with the second elastic film 400 so that the first elastic film 300 and the second elastic film 400 flow. It prevents it from becoming and supports to maintain a certain distance.
  • the first elastic film 300 is made of an elastic material such as silicon, is provided inside the second catheter hub 200, the first catheter hub (depending on whether the medical device (F) is inserted) 100) and the second catheter hub 200 is opened and closed.
  • the first elastic film 300 includes a first support part 310, an incision part 320, and an incision groove 330.
  • the first support part 310 is a portion forming the edge of the disc-shaped first elastic film 300, the first fixing groove 315 is formed on the outer periphery of the first support part 310.
  • the first fixing groove 315 is concave in the center direction from the outer circumference of the first support part 310, and is formed in a circular shape along the outer circumference of the first support part 310.
  • the first fixing groove 315 is coupled to the first fixing protrusion 230 of the second catheter hub 200 to strengthen the fixing force of the first elastic film 300.
  • first support part 310 is fixed in close contact with the first coupling part 120 and the spacer 250, and is not deformed by an external force.
  • the cutout 320 extends in the center direction from the first support part 310, that is, in the inward direction of the cutout 320, and inserts the medical device F into the second catheter hub 200.
  • the cutout 320 When pushed in the direction of the first catheter hub 100 by the medical device (F) open to open the second catheter hub 200, when the medical device (F) is separated to be gathered in the center direction It is elastically restored to close the second catheter hub 200.
  • cutout 320 opens the second catheter hub 200 to allow communication between the first catheter hub 100 and the second catheter hub 200 and the second catheter hub 200. By closing, the first catheter hub 100 and the second catheter hub 200 are blocked.
  • the cutout part 320 is formed in plural and is disposed along the inner circumferential surface of the first support part 310.
  • the cutout 320 has an arc shape in which a circle is cut at an angle of 90 degrees.
  • the cutout 320 has a total of four, and each of the outer peripheries is disposed adjacent to each other, and the arc portion is the first support portion 310. Are integrally connected to.
  • the cutout 320 may be formed by cutting the disc in a cross shape.
  • the medical device F is inserted into the second catheter hub 200 to penetrate the cutout 320. While being pushed by the medical device (F) and bent in the direction of the first catheter hub 100, the medical device (F) is removed and restored to a disc shape again by elastic restoring force.
  • the cutout portion 320 of the first elastic layer 300 is elastically deformed so as to be opened in the opposite direction of the medical device F when the medical device F is inserted into the first catheter hub 100 and the first catheter. Opening between the two catheter hub 200, is elastically restored to gather when the medical device (F) is separated by closing between the first catheter hub 100 and the second catheter hub 200, medical device (F) ) Minimize the outflow of blood during installation work to prevent the contamination of third party infection or clothing.
  • the cutout 320 may be arranged more densely the outer periphery.
  • FIG. 8 (a) is a plan view of the cutout 350 according to another exemplary embodiment of the present invention
  • FIG. 8 (b) is a cross-sectional view taken along line AA ′ of FIG. 8 (a).
  • the cutout 350 of another embodiment has a plurality, as shown in FIG. 8, and has a circular arrangement, with one side of the cutout 350 adjacent to the other cutout 350. It is disposed on one surface, and the other side of the cutout 350 is disposed on the other surface of the other cutout 350 adjacent thereto.
  • one side of the cutout 350 is disposed in the direction of the first catheter hub 100, and the other side of the cutout 350 is disposed in the direction of the second catheter hub 200.
  • the cutout 350 is in a natural state with no external force, and the plurality of cutouts 350 are in surface contact with each other, rather than a line contact, to reduce the gap between the cutouts 350.
  • the cutout 350 is formed in plural, and both sides of the cutout 350 are disposed to overlap each other cutout 350 adjacent to each other, thereby reinforcing the airtightness of the first elastic membrane 300 to prevent blood leakage as much as possible. It works.
  • the first support 310 is disposed adjacent to the cutouts 320 and 350 and is formed with a cutout groove 330 concave toward the first catheter hub 100.
  • the incision groove 330 is formed in a circular shape along the boundary point between the incisions 320 and 350 and the first support part 310, and is formed on the other surface opposite to the first catheter hub 100.
  • the incision groove 330 is to facilitate the deformation of the incision (320, 350) when inserting the medical device (F), while removing the medical device (F) so as not to be deformed by blood pressure medical device ( F) It is effective to improve workability and stability of installation work.
  • the second elastic film 400 is disposed between the first elastic film 300 and the engaging portion 220 inside the second catheter hub 200.
  • the second elastic film 400 is made of an elastic material such as silicon and easily deformed by an external force.
  • the second elastic film 400 includes a second support part 410, a compression part 420, and a compression hole 430.
  • the second support part 410 is formed in the same manner as the first support part 310 of the first elastic layer 300. That is, the second support part 410 has a circular rim shape, is disposed between the separation part 250 and the locking part 220 inside the second catheter hub 200, and is closely fixed to each other by external force. No deformation
  • a second fixing groove 415 is formed at the outer circumference of the second support part 410.
  • the second fixing groove 415 is formed in a circular shape along the outer circumference of the second support part 410, and is formed concave in the center direction of the second support part 410.
  • the second fixing groove 415 is coupled to the second fixing protrusion 240 of the second catheter hub 200 to strengthen the fixing force of the second elastic film 400.
  • the compression unit 420 is formed to extend in the central direction, that is, the inner direction from the second support portion 410, the central portion is formed to be convex toward the first catheter hub 100.
  • the thickness of the compression unit 420 is the same as the thickness of the second support (410).
  • the compression unit 420 is elastically deformed by an external force.
  • the compression hole 430 is formed in the center of the compression unit 420, it is formed through the first catheter hub 100 and the second catheter hub 200 in the direction.
  • the inner diameter of the compression hole 430 is formed smaller than the outer diameter of the medical device (F), the inner diameter is formed to become narrower toward the first catheter hub 100 direction.
  • the compression hole 430 extends when the medical device F is inserted to form an inner circumferential surface of the compression unit 420 forming the compression hole 430. 7, the compression unit 420 moves in the direction of the second catheter hub 200 when the medical device F is to be removed, as shown in FIG. 7. To compress the medical device (F) more strongly.
  • the compression unit 420 of the second elastic film 400 moves in the direction of the second catheter hub 200 when the medical device F is removed so that the compression hole 430 is contracted so that the medical device ( By compressing the F), when the medical device F is to be unexpectedly separated from the second catheter hub 200 by an external force, the medical device F is tightened to a higher pressure to prevent the separation.
  • FIG 5 is a cross-sectional structural view showing a state before inserting a medical device (F) in the medical catheter according to an embodiment of the present invention
  • Figure 6 is after inserting a medical device (F) in the medical catheter according to an embodiment of the present invention
  • Figure 7 is a cross-sectional structural view showing a state
  • Figure 7 is a cross-sectional structural view showing a state when the medical device (F) is to be separated from the medical catheter according to an embodiment of the present invention.
  • the first elastic film 300 is flattened before the medical instrument F is inserted into the second catheter hub 200, and the second elastic film 400 is It is convexly arranged in the direction of the first elastic film 300.
  • the medical device F passes through the first elastic layer 300 and bends the cutout portion 320 in the direction of the first catheter hub 100, and the second catheter hub 200 is opened. do.
  • the medical device F has an outer circumferential surface in close contact with the inner circumferential surface of the compression unit 420 so that blood or the like does not leak out.
  • the outer peripheral surface of the medical device (F) is fitted to the inner peripheral surface of the locking portion 220 is fixed once more.
  • the compression unit 420 is pushed together with the medical device F by the adhesive force with the medical device F as shown in FIG. 7. Slightly moved in the direction of the medical device (F), the compression unit 420 is contracted while moving in the direction of the medical device (F) to reduce the inner diameter of the compression hole 430, thereby the compression hole 430 The inner circumferential surface of the compression unit 420, which constitutes C, compresses the medical instrument F more strongly, thereby preventing the medical instrument F from moving.
  • the cutout 320 is flat in its original state by the elastic restoring force as shown in FIG.
  • Medical catheter of the present invention is not limited to the above-described embodiment, it can be carried out in a variety of modifications within the scope of the technical idea of the present invention.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
PCT/KR2013/000141 2012-09-03 2013-01-09 Cathéter médical Ceased WO2014051217A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020120007818U KR200464439Y1 (ko) 2012-09-03 2012-09-03 의료용 카테터
KR20-2012-0007818 2012-09-03

Publications (1)

Publication Number Publication Date
WO2014051217A1 true WO2014051217A1 (fr) 2014-04-03

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PCT/KR2013/000141 Ceased WO2014051217A1 (fr) 2012-09-03 2013-01-09 Cathéter médical

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WO (1) WO2014051217A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101728963B1 (ko) * 2015-10-16 2017-04-20 박은정 의료용 카테터
KR200483494Y1 (ko) * 2016-11-25 2017-05-22 김대영 의료용 니들링 기구
KR102041969B1 (ko) * 2019-04-30 2019-11-07 이근철 의료용 수액세트
KR102164601B1 (ko) * 2019-09-19 2020-10-20 윤석주 의료용 니들리스 커넥터

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200320341Y1 (ko) * 2003-04-30 2003-07-22 경기의료공업(주) 혈액 역류 방지용 아이브이 카테터
KR100843163B1 (ko) * 2007-04-23 2008-07-02 박상윤 혈액 역류 방지 카테터
KR20100119131A (ko) * 2009-04-30 2010-11-09 박상윤 혈액역류방지용 카테터
KR101167705B1 (ko) * 2012-01-11 2012-07-20 주식회사 덕우메디칼 의료용 카테터 기구

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100818167B1 (ko) * 2006-05-03 2008-03-31 장양수 카테터

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200320341Y1 (ko) * 2003-04-30 2003-07-22 경기의료공업(주) 혈액 역류 방지용 아이브이 카테터
KR100843163B1 (ko) * 2007-04-23 2008-07-02 박상윤 혈액 역류 방지 카테터
KR20100119131A (ko) * 2009-04-30 2010-11-09 박상윤 혈액역류방지용 카테터
KR101167705B1 (ko) * 2012-01-11 2012-07-20 주식회사 덕우메디칼 의료용 카테터 기구

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