WO2004112877A1 - Dispositif medical - Google Patents
Dispositif medical Download PDFInfo
- Publication number
- WO2004112877A1 WO2004112877A1 PCT/IB2004/002031 IB2004002031W WO2004112877A1 WO 2004112877 A1 WO2004112877 A1 WO 2004112877A1 IB 2004002031 W IB2004002031 W IB 2004002031W WO 2004112877 A1 WO2004112877 A1 WO 2004112877A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- medical device
- section
- retention section
- tip
- configuration
- Prior art date
Links
- 230000014759 maintenance of location Effects 0.000 claims abstract description 159
- 238000003780 insertion Methods 0.000 claims abstract description 27
- 230000037431 insertion Effects 0.000 claims abstract description 27
- 238000009954 braiding Methods 0.000 claims description 24
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 21
- 230000007246 mechanism Effects 0.000 description 15
- 239000012530 fluid Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 210000002700 urine Anatomy 0.000 description 7
- 239000004814 polyurethane Substances 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 210000003708 urethra Anatomy 0.000 description 6
- 210000001124 body fluid Anatomy 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- -1 polyalkane Polymers 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000002485 urinary effect Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- BJRMDQLATQGMCQ-UHFFFAOYSA-N C=C.C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 Chemical compound C=C.C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 BJRMDQLATQGMCQ-UHFFFAOYSA-N 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- 239000007977 PBT buffer Substances 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 210000003489 abdominal muscle Anatomy 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000002924 anti-infective effect Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920003009 polyurethane dispersion Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0119—Eversible catheters
Definitions
- the strength of the drainage section is reinforced as the braided section and an appropriate filling material constitutes a composite. Accordingly it is possible to make the wall of the drainage section thinner. Thus for a given outer diameter of the medical device the cross-sectional flow area may be larger.
- the medical device further comprises indicating means for indicating a position of the tip relative to the retention section or relative to the drainage section.
- indicating means are useful as it is not possible for the user to see if the tip after having been retracted into the drainage section during insertion, has been pushed out of the drainage section again.
- the indicating means may assist the user to see that the tip does not partly or completely block the drainage section.
- Fig. 7 illustrates an enlarged view of the proximal end of the medical device shown in the first embodiment of fig. 3 or the second embodiment of fig. 6;
- the deployment member 5,14 remains within the lumen 6,12 of the drainage section 2,13 and is not removed therefrom once the medical device 1, 10 is in position.
- the deployment member 5,14 may therefore be integrally formed with the retention section 4,11 or may be made separately and permanently connected thereto by, for example, welding.
- the diameter of the rod 5,14 is much smaller than the diameter of the lumen 6,12 so that fluid can pass freely down through the lumen 6,12 around the rod 5,14.
- FIG. 8 Another embodiment is illustrated in fig. 8 which is identical to the embodiment of fig. 1 except that the deployment member 5 is a tube 20 which has a cross sectional outer diameter only slightly less than the cross sectional diameter of the lumen 6 of the drainage section 2 so that it can slide in an axial direction within the lumen 6. In this case, bodily fluids pass down through a lumen 21 in the tube 20 rather than through the lumen 6 of the drainage section 2.
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)
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Dispositif médical présentant une extrémité proximale destinée à être introduite dans le corps d'un être vivant ainsi qu'une extrémité distale axialement opposée, ce dispositif comportant: une pointe formant, dans une première position, l'extrémité proximale du dispositif, une partie de drainage (2) formant un conduit s'étendant dans une direction axiale du dispositif, et une partie de retenue (4) s'étendant entre la partie de drainage et la pointe. La pointe peut se déplacer entre la première position et une seconde position permettant de faire passer la partie de retenue d'une première configuration à une seconde configuration. Dans ladite seconde configuration, la partie de retenue est élargie dans une direction transversale par rapport à la direction axiale. Les dimensions du conduit et de la pointe peuvent être déterminées de telle sorte que la pointe puisse être reçue dans le conduit. Ce système est avantageux dans la mesure où le système de retenue peut être entièrement rentré dans le conduit de sorte que le dispositif puisse être introduit et enlevé avec un minimum d'inconfort pour le patient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04737044A EP1638635A1 (fr) | 2003-06-20 | 2004-06-18 | Dispositif medical |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0314504.2 | 2003-06-20 | ||
| GB0314504A GB2400038A (en) | 2003-06-20 | 2003-06-20 | Drainage catheter |
| US48214003P | 2003-06-24 | 2003-06-24 | |
| US60/482,140 | 2003-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004112877A1 true WO2004112877A1 (fr) | 2004-12-29 |
Family
ID=33542687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2004/002031 WO2004112877A1 (fr) | 2003-06-20 | 2004-06-18 | Dispositif medical |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1638635A1 (fr) |
| WO (1) | WO2004112877A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9211234B2 (en) | 2010-09-27 | 2015-12-15 | Avent, Inc. | Configurable percutaneous endoscopic gastrostomy tube |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB688450A (en) | 1951-07-20 | 1953-03-04 | Israel Merenlender | An improved catheter for medical or hygienic use |
| GB766308A (en) | 1954-07-09 | 1957-01-16 | Us Rubber Co | Improvements in manufacture of coated seamless tubes |
| GB955490A (en) | 1961-08-02 | 1964-04-15 | Rupert Brooke | Improvements in or relating to catheters |
| GB1014570A (en) | 1962-12-06 | 1965-12-31 | Godfrey Brooke | Improvements in or relating to catheters |
| GB1046478A (en) | 1963-10-30 | 1966-10-26 | Godfrey Brooke | Improvements in or relating to catheters |
| US3592197A (en) * | 1969-03-24 | 1971-07-13 | Milton J Cohen | Catheter |
| US5041093A (en) | 1990-01-31 | 1991-08-20 | Boston Scientific Corp. | Catheter with foraminous anchor |
| US5308325A (en) * | 1991-01-28 | 1994-05-03 | Corpak, Inc. | Retention balloon for percutaneous catheter |
| GB2333461A (en) | 1998-01-23 | 1999-07-28 | Smiths Industries Public Limited Company | Epidural catheter |
-
2004
- 2004-06-18 EP EP04737044A patent/EP1638635A1/fr not_active Withdrawn
- 2004-06-18 WO PCT/IB2004/002031 patent/WO2004112877A1/fr active Search and Examination
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB688450A (en) | 1951-07-20 | 1953-03-04 | Israel Merenlender | An improved catheter for medical or hygienic use |
| GB766308A (en) | 1954-07-09 | 1957-01-16 | Us Rubber Co | Improvements in manufacture of coated seamless tubes |
| GB955490A (en) | 1961-08-02 | 1964-04-15 | Rupert Brooke | Improvements in or relating to catheters |
| GB1014570A (en) | 1962-12-06 | 1965-12-31 | Godfrey Brooke | Improvements in or relating to catheters |
| GB1046478A (en) | 1963-10-30 | 1966-10-26 | Godfrey Brooke | Improvements in or relating to catheters |
| US3592197A (en) * | 1969-03-24 | 1971-07-13 | Milton J Cohen | Catheter |
| US5041093A (en) | 1990-01-31 | 1991-08-20 | Boston Scientific Corp. | Catheter with foraminous anchor |
| US5308325A (en) * | 1991-01-28 | 1994-05-03 | Corpak, Inc. | Retention balloon for percutaneous catheter |
| GB2333461A (en) | 1998-01-23 | 1999-07-28 | Smiths Industries Public Limited Company | Epidural catheter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9211234B2 (en) | 2010-09-27 | 2015-12-15 | Avent, Inc. | Configurable percutaneous endoscopic gastrostomy tube |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1638635A1 (fr) | 2006-03-29 |
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