PT94052B - Conjunto de cateter com restricao de refluxo - Google Patents
Conjunto de cateter com restricao de refluxo Download PDFInfo
- Publication number
- PT94052B PT94052B PT94052A PT9405290A PT94052B PT 94052 B PT94052 B PT 94052B PT 94052 A PT94052 A PT 94052A PT 9405290 A PT9405290 A PT 9405290A PT 94052 B PT94052 B PT 94052B
- Authority
- PT
- Portugal
- Prior art keywords
- catheter
- needle
- catheter tube
- tube
- diameter
- Prior art date
Links
- 238000010992 reflux Methods 0.000 title claims description 20
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 210000000601 blood cell Anatomy 0.000 abstract description 2
- 210000004369 blood Anatomy 0.000 description 36
- 239000008280 blood Substances 0.000 description 36
- 230000017531 blood circulation Effects 0.000 description 4
- 208000012266 Needlestick injury Diseases 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 206010069803 Injury associated with device Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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
- A61M25/0009—Making of catheters or other medical or surgical tubes
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
Landscapes
- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
Claims (2)
- REIVINDICAÇÕES _ ia _Conjunto de catéter para protecção de agulha o qual restringe o refluxo de líquido entre a parede interna de um tubo de catéter e uma agulha de inserção, caracterizado por ser constituído por um tubo de catéter possuindo uma ponta distai e uma extremidade proximal ligada a um cubo de catéter, por o referido tubo de catéter possuir um diâmetro nominal superior à maior porção do seu comprimento para acomodar a passagem de uma agulha de inserção através do referido tubo de catéter, por o tubo de catéter possuir uma restrição formada na sua porção proximal e se desenvolver sobre uma porção menor do comprimento do tubo de catéter o qual proporciona uma fenda radial entre a parede interior do tubo de catéter e o diâmetro exterior de uma agulha de inserção correspondente menor do que a existente entre a parede interior do tubo de catéter e o diâmetro exterior da agulha de inserção ao longo da sua porção de diâmetro nominal.- 2S Conjunto de catéter para protecção de agulha de acordo com a reivindicação 1, caracterizado por a restrição ser formada na vizinhança do ponto de ligação do tubo de catéter ao cubo da agulha._ 3§ _Conjunto de catéter para protecção de agulha de acordo com a reivindicação 2, caracterizado por a transição proximal do diâmetro do tubo a partir da restrição para o diâmetro nominal do tubo estar afastada da extremi. dade distai do cubo de catéter 0,31 cm (1/8 de polegada) aproximadamente.- 4a Conjunto de catéter para protecção de agulha de acordo com a reivindicação 1, caracterizado por a porção menor do comprimento do tubo de catéter ter aproximadamente o comprimento de 0,62 cm (1/4 de polegada).- 5â Conjunto de catéter para protecção de agulha de acordo com a reivindicação 1, caracterizado por a fenda —3 radial mais pequena estar compreendida entre 0,5x10 θ — 3 —3 —3
- 2,5x10 cm (0,2x10 e 1,0x10 polegadas).- 6â Conjunto de catéter para protecção de agulha de acordo com a reivindicação 5, caracterizado por a fenda _ o radial mais pequena ser aproximadamente de 1,25x10 cm (0,5x10 polegada).- 7â _Conjunto de catéter para protecção de agulha de acordo com a reivindicação 1, caracterizado por a restrição ser formada termicamente.- 8s Processo para estreitar um diâmetro interno de uma porção de um tubo de catéter feito de um material polimérico e exibindo um diâmetro interno nominal superior ao referido diâmetro estreitado, caracterizado por:a) Se colocar, dentro do referido tubo de catéter, um elemento cilíndrico metálico o qual possui um diâmetro exterior que é essencialmente igual ao de uma agulha de inserção;b) Se aquecer uma porção do tubo de catéter a uma temperatura que é pelo menos igual à temperatura de amolecimento do material polimérico;c) Se aplicar uma força de estiramento ao longo da porção aquecida do tubo de catéter até se reduzir o diâmetro interno do tubo de catéter para um diâmetro menor que o diâmetro interno nominal;d) Se reduzir a força de estiramento para permitir ao referido material polimérico relaxar; ee) Se deixar arrefecer o tubo aquecido.- 9- Processo de acordo com a reivindicação 8, caracterizado p ór o passo de arrefecimento do tubo aquecido preceder o passo da redução da força de estiramento.- 10â Processo de acordo com a reivindicação 8, caracterizado por o passo c compreender:aplicação de uma força de estiramento ao longo da porção aquecida do catéter até que a superfície interior do tubo de catéter esteja circunferencialmente em contacto com o elemento metálico.- lis Processo de acordo com a reivindicação 8, caracterizado cor o nasso c ser precedido pelo passo seguinte:f) aperto do tubo de catéter de cada lado da porção aque15 cida.12aProcesso de acordo com a reivindicação 10, caracterizado por o passo d) incluir o passo seguinte: redução da força de estiramento para permitir ao material polimérico relaxar na direcção radial rara deixar uma fenda entre a superfície interna do tubo de catéter e a superfície exterior do referido elemento metálico.13âProcesso de acordo com a reivindicação 8, caracterizado por o elemento metálico compreender uma agulha metálica.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35327689A | 1989-05-17 | 1989-05-17 | |
SG131294A SG131294G (en) | 1989-05-17 | 1994-09-10 | Catheter with backflow restriction |
Publications (2)
Publication Number | Publication Date |
---|---|
PT94052A PT94052A (pt) | 1991-01-08 |
PT94052B true PT94052B (pt) | 1996-09-30 |
Family
ID=26664319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT94052A PT94052B (pt) | 1989-05-17 | 1990-05-16 | Conjunto de cateter com restricao de refluxo |
Country Status (21)
Country | Link |
---|---|
US (1) | US5126090A (pt) |
EP (1) | EP0398676B1 (pt) |
JP (1) | JP2837236B2 (pt) |
KR (1) | KR0152995B1 (pt) |
CN (1) | CN1027138C (pt) |
AR (1) | AR245003A1 (pt) |
AT (1) | ATE100341T1 (pt) |
AU (1) | AU629635B2 (pt) |
BR (1) | BR9002310A (pt) |
CA (1) | CA2016772C (pt) |
DE (1) | DE69006096T2 (pt) |
DK (1) | DK0398676T3 (pt) |
ES (1) | ES2048433T3 (pt) |
FI (1) | FI902429A0 (pt) |
GR (1) | GR1002523B (pt) |
NO (1) | NO176697C (pt) |
NZ (1) | NZ233609A (pt) |
PT (1) | PT94052B (pt) |
SG (1) | SG131294G (pt) |
ZA (1) | ZA903753B (pt) |
ZW (1) | ZW7790A1 (pt) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5256144A (en) * | 1989-11-02 | 1993-10-26 | Danforth Biomedical, Inc. | Low profile, high performance interventional catheters |
US5209728B1 (en) * | 1989-11-02 | 1998-04-14 | Danforth Biomedical Inc | Low profile high performance interventional catheters |
US5324263A (en) * | 1989-11-02 | 1994-06-28 | Danforth Biomedical, Inc. | Low profile high performance interventional catheters |
US5030205A (en) * | 1989-12-18 | 1991-07-09 | Critikon, Inc. | Catheter assemblies for prevention of blood leakage |
EP0486720B1 (en) * | 1990-11-21 | 1996-06-05 | Danforth Biomedical, Inc. | Seal for low profile, high performance interventional catheters |
US5215528C1 (en) * | 1992-02-07 | 2001-09-11 | Becton Dickinson Co | Catheter introducer assembly including needle tip shield |
US5368801A (en) * | 1993-01-05 | 1994-11-29 | Vlv Associates | Method of mounting a septum in a connector |
CA2135706C (en) * | 1993-11-15 | 1999-06-15 | Walter E. Cover | Retractable-needle cannula insertion set with refinements to better control leakage, retraction speed, and reuse |
MY120112A (en) * | 1996-04-02 | 2005-09-30 | Meguro Chemical Industry Co Ltd | Sealing tape and method and apparatus for its production, and method of repairs with it |
CA2583144C (en) * | 1996-11-15 | 2009-03-10 | Bristol Myers Squibb Company | Devices and methods for applying a mixture of two or more liquid components to form a biomaterial |
US8211070B2 (en) | 1997-08-20 | 2012-07-03 | B. Braun Melsungen Ag | Spring clip safety IV catheter |
DE20103363U1 (de) | 2001-02-26 | 2001-05-17 | Braun Melsungen Ag | Schutzvorrichtung für eine Injektionsnadel |
US7125397B2 (en) * | 1997-08-20 | 2006-10-24 | B. Braun Melsungen Ag | Protective device for an injection needle |
US8382721B2 (en) | 1997-08-20 | 2013-02-26 | B. Braun Melsungen Ag | Spring clip safety IV catheter |
US6616630B1 (en) * | 1997-08-20 | 2003-09-09 | B. Braun Melsungen A.G. | Spring clip safety IV catheter |
US6117108A (en) * | 1997-08-20 | 2000-09-12 | Braun Melsungen Ag | Spring clip safety IV catheter |
EP0900546A1 (en) | 1997-09-05 | 1999-03-10 | Irene Cristina Luis Vega | Needle-catheter assembly for medical or veterinarian use |
DE20106697U1 (de) * | 2001-04-18 | 2001-10-31 | B. Braun Melsungen Ag, 34212 Melsungen | Kathetereinführvorrichtung |
JP2004211743A (ja) | 2002-12-27 | 2004-07-29 | Meguro Kagaku Kogyo Kk | シーリングテープ |
US7226434B2 (en) * | 2003-10-31 | 2007-06-05 | Tyco Healthcare Group Lp | Safety shield |
US7988664B2 (en) | 2004-11-01 | 2011-08-02 | Tyco Healthcare Group Lp | Locking clip with trigger bushing |
US7905857B2 (en) | 2005-07-11 | 2011-03-15 | Covidien Ag | Needle assembly including obturator with safety reset |
US7828773B2 (en) | 2005-07-11 | 2010-11-09 | Covidien Ag | Safety reset key and needle assembly |
US7850650B2 (en) | 2005-07-11 | 2010-12-14 | Covidien Ag | Needle safety shield with reset |
US20060276747A1 (en) | 2005-06-06 | 2006-12-07 | Sherwood Services Ag | Needle assembly with removable depth stop |
US7731692B2 (en) | 2005-07-11 | 2010-06-08 | Covidien Ag | Device for shielding a sharp tip of a cannula and method of using the same |
US8197545B2 (en) | 2005-10-27 | 2012-06-12 | Depuy Spine, Inc. | Nucleus augmentation delivery device and technique |
US20070173935A1 (en) * | 2005-10-28 | 2007-07-26 | O'neil Michael J | Nucleus pulposus augmentation pretreatment technique |
US7654735B2 (en) | 2005-11-03 | 2010-02-02 | Covidien Ag | Electronic thermometer |
US8382718B2 (en) | 2006-07-31 | 2013-02-26 | B. Braun Melsungen Ag | Needle assembly and components thereof |
WO2009042874A1 (en) * | 2007-09-27 | 2009-04-02 | Tyco Healthcare Group Lp | I.v. catheter assembly and needle safety device |
US8357104B2 (en) | 2007-11-01 | 2013-01-22 | Coviden Lp | Active stylet safety shield |
ATE482738T1 (de) | 2007-12-20 | 2010-10-15 | Tyco Healthcare | Verschlusskappeanordnung mit gefederter manschette |
US8382751B2 (en) | 2009-09-10 | 2013-02-26 | Covidien Lp | System and method for power supply noise reduction |
US9498248B2 (en) | 2010-10-05 | 2016-11-22 | Medtronic, Inc. | Retainer for immobilizing an implanted catheter during stylet retraction, and stylet holder for use with same |
US10076387B2 (en) | 2015-06-18 | 2018-09-18 | Medtronic, Inc. | Medical device implantation and positioning system |
KR101733019B1 (ko) | 2015-07-29 | 2017-05-08 | 신현호 | 자동차 수리 복원용 실링테이프 |
CN106806964B (zh) * | 2015-11-30 | 2020-03-13 | 先健科技(深圳)有限公司 | 腔内注射导管装置 |
US10569027B2 (en) * | 2016-04-20 | 2020-02-25 | Gayle MISLE | Epidural needle assembly |
US10028768B2 (en) * | 2016-04-20 | 2018-07-24 | Gayle MISLE | Cannula and needle assembly |
US20210187252A1 (en) * | 2017-10-20 | 2021-06-24 | Smiths Medical Asd, Inc. | Catheter with threading flash confirmation |
Family Cites Families (19)
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US3094122A (en) * | 1961-01-18 | 1963-06-18 | Theophile E Gauthier | Flexible cannula and intravenous needle combined |
US3406685A (en) * | 1963-07-23 | 1968-10-22 | Becton Dickinson Co | Catheter needle and method for its manufacture |
US3388703A (en) * | 1966-03-22 | 1968-06-18 | Johnson & Johnson | Intravenous cannula assembly unit |
US3540447A (en) * | 1967-09-29 | 1970-11-17 | Becton Dickinson Co | Spinal needle |
US3684605A (en) * | 1970-01-21 | 1972-08-15 | Univ Utah | Method of constructing a thin-walled cannula |
US3634924A (en) * | 1970-04-20 | 1972-01-18 | American Hospital Supply Corp | Method of making multilumen balloon catheter |
US3719737A (en) * | 1970-12-09 | 1973-03-06 | Bard Inc C R | Method of making a preformed curved epidural catheter |
US4106506A (en) * | 1973-12-03 | 1978-08-15 | Koehn Wilbur R | Catheter |
US3985601A (en) * | 1975-05-05 | 1976-10-12 | Quantum, Inc. | Method for producing a balloon type catheter having a smooth continuous outer surface |
US4212204A (en) * | 1979-04-26 | 1980-07-15 | St Amand Elmer F | Pipette and method of making same |
US4249541A (en) * | 1979-04-26 | 1981-02-10 | David S. Pratt | Biopsy device |
US4317445A (en) * | 1980-03-31 | 1982-03-02 | Baxter Travenol Laboratories, Inc. | Catheter insertion unit with separate flashback indication for the cannula |
US4354495A (en) * | 1980-10-30 | 1982-10-19 | Sherwood Medical Industries Inc. | Method of connecting plastic tube to a plastic part |
US4547194A (en) * | 1984-03-16 | 1985-10-15 | Moorehead Harvey R | Hub assemblies and extensions for indwelling catheter tubes and method |
JPS60234671A (ja) * | 1984-05-09 | 1985-11-21 | テルモ株式会社 | カテ−テル導入具 |
US4588398A (en) * | 1984-09-12 | 1986-05-13 | Warner-Lambert Company | Catheter tip configuration |
US4781703A (en) * | 1985-10-17 | 1988-11-01 | Menlo Care, Inc. | Catheter assembly |
US4840622A (en) * | 1987-10-06 | 1989-06-20 | Menlo Care, Inc. | Kink resistant catheter |
US5030205A (en) * | 1989-12-18 | 1991-07-09 | Critikon, Inc. | Catheter assemblies for prevention of blood leakage |
-
1990
- 1990-05-14 NZ NZ233609A patent/NZ233609A/en unknown
- 1990-05-15 ZW ZW77/90A patent/ZW7790A1/xx unknown
- 1990-05-15 CA CA002016772A patent/CA2016772C/en not_active Expired - Lifetime
- 1990-05-16 FI FI902429A patent/FI902429A0/fi not_active Application Discontinuation
- 1990-05-16 DK DK90305263.7T patent/DK0398676T3/da active
- 1990-05-16 ES ES90305263T patent/ES2048433T3/es not_active Expired - Lifetime
- 1990-05-16 DE DE69006096T patent/DE69006096T2/de not_active Expired - Fee Related
- 1990-05-16 AR AR90316866A patent/AR245003A1/es active
- 1990-05-16 GR GR900100377A patent/GR1002523B/el not_active IP Right Cessation
- 1990-05-16 PT PT94052A patent/PT94052B/pt not_active IP Right Cessation
- 1990-05-16 AT AT90305263T patent/ATE100341T1/de not_active IP Right Cessation
- 1990-05-16 JP JP2126547A patent/JP2837236B2/ja not_active Expired - Fee Related
- 1990-05-16 EP EP90305263A patent/EP0398676B1/en not_active Expired - Lifetime
- 1990-05-16 NO NO902188A patent/NO176697C/no unknown
- 1990-05-16 ZA ZA903753A patent/ZA903753B/xx unknown
- 1990-05-16 AU AU55084/90A patent/AU629635B2/en not_active Ceased
- 1990-05-17 CN CN90104395A patent/CN1027138C/zh not_active Expired - Lifetime
- 1990-05-17 BR BR909002310A patent/BR9002310A/pt not_active IP Right Cessation
- 1990-05-17 KR KR1019900007045A patent/KR0152995B1/ko not_active IP Right Cessation
- 1990-08-14 US US07/567,420 patent/US5126090A/en not_active Expired - Lifetime
-
1994
- 1994-09-10 SG SG131294A patent/SG131294G/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR9002310A (pt) | 1991-08-06 |
DE69006096D1 (de) | 1994-03-03 |
NZ233609A (en) | 1992-10-28 |
NO176697B (no) | 1995-02-06 |
CA2016772C (en) | 2000-07-18 |
JPH034875A (ja) | 1991-01-10 |
US5126090A (en) | 1992-06-30 |
GR900100377A (el) | 1991-10-10 |
ZA903753B (en) | 1992-01-29 |
EP0398676A1 (en) | 1990-11-22 |
NO902188L (no) | 1990-11-19 |
KR0152995B1 (ko) | 1998-10-15 |
GR1002523B (el) | 1997-01-24 |
ES2048433T3 (es) | 1994-03-16 |
CA2016772A1 (en) | 1990-11-17 |
CN1027138C (zh) | 1994-12-28 |
PT94052A (pt) | 1991-01-08 |
ATE100341T1 (de) | 1994-02-15 |
FI902429A0 (fi) | 1990-05-16 |
AU5508490A (en) | 1990-11-22 |
SG131294G (en) | 1995-01-13 |
AU629635B2 (en) | 1992-10-08 |
JP2837236B2 (ja) | 1998-12-14 |
NO902188D0 (no) | 1990-05-16 |
DE69006096T2 (de) | 1994-05-19 |
CN1047209A (zh) | 1990-11-28 |
ZW7790A1 (en) | 1992-02-05 |
AR245003A1 (es) | 1993-12-30 |
KR900017622A (ko) | 1990-12-19 |
EP0398676B1 (en) | 1994-01-19 |
DK0398676T3 (da) | 1994-02-28 |
NO176697C (no) | 1995-05-16 |
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