EP1638441A2 - Joint torique am lior pour dispositif de protection d'incisions r glage incr mentiel, et r tracteur - Google Patents
Joint torique am lior pour dispositif de protection d'incisions r glage incr mentiel, et r tracteurInfo
- Publication number
- EP1638441A2 EP1638441A2 EP04752598A EP04752598A EP1638441A2 EP 1638441 A2 EP1638441 A2 EP 1638441A2 EP 04752598 A EP04752598 A EP 04752598A EP 04752598 A EP04752598 A EP 04752598A EP 1638441 A2 EP1638441 A2 EP 1638441A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- rings
- cross
- section
- sleeve
- 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.)
- Withdrawn
Links
Definitions
- FIG. 2 is a perspective view of an O-ring formed in accordance with a preferred embodiment of the present invention.
- Fig. 66 is a cross-sectional view, as taken along lines 66-66 in Fig. 65;
- Fig. 81 is a cross-sectional view, as taken along lines 81-81 in Fig. 80;
- Fig. 82 is a perspective view of yet another O-ring having a non- circular radial cross-section or stacked group of individual hollow O-rings;
- Fig. 83 is a front elevational view of the O-ring shown in Fig. 82;
- Fig. 84 is a cross-sectional view, as taken along lines 84-84 in Fig. 83;
- first solid quadrant 30 includes a curved outer surface 36, a curved annular surface 38, and a sinusoidal surface 40.
- Second solid quadrant 33 includes a curved outer surface 46, a curved annular surface 48, and a sinusoidal surface 50.
- Curved annular surfaces 38,48 are at substantially the same radial distance from central longitudinal axis 24, and are vertically oriented so as to be substantially parallel and substantially coaxial with central longitudinal axis 24.
- Sinusoidal surfaces 40,50 extend transversely relative to the central longitudinal axis 24 of O-rings 10,12 (Figs. 2 and 3).
- the cross-sectional shape of O-rings 10,12 provides stability in a plane perpendicular to central longitudinal axis 24, and provides an over-center "snap-action" or “snap-roll” when O-ring 10, 12 is rolled about itself and sleeve 8, thereby providing incremental shortening in predetermined increments and resistance to lengthening after shortening. More particularly, by strategically removing portions of O-rings 10,12 so as to form recesses 26,28, the rate of twist necessary to create the over-center "snap-action" can be gauged and set.
- a sinusoidally defined recess 72b may be employed with the present invention.
- Figures 25-27 illustrate such a sinusoidal recess 72b disposed on an inner circumferential surface of O-ring 10,12
- Figs. 28-30 illustrate such a sinusoidal recess 72b disposed on an outer circumferential surface of O-ring 10,12.
- Figures 31-33 illustrate a pair of sinusoidal recesses 72b positioned in diametrically opposed relation to one another on O-ring 10,12.
- 135a, 135b, 135c may comprise one or more passageways 137a,137b, 137c which may or may not be centrally located within each O-ring 135a,135b,135c.
- Stack of O-rings 136 provide annular, opposed curved surfaces 139a,139b,139c and unequal concentrations of material distributed about centroids 140a,140b that are defined by the point or area of engagement between one another.
Landscapes
- Surgical Instruments (AREA)
Abstract
L'invention concerne un joint torique utilisable dans un dispositif de protection de plaie chirurgicale réglable présentant une section transversale étagée ou astroïdale et une configuration élastique à laquelle une compression confère une forme oblongue insérable dans une incision chirurgicale. Dans un mode de réalisation, un joint torique de section transversale astroïdale comprend un préchargement en torsion qui améliore le cylindrage à détente brusque du joint torique autour du centre de la section transversale, par incréments préétablis.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/440,757 US20030192553A1 (en) | 2001-10-03 | 2003-05-19 | O-ring for incrementally adjustable incision liner and retractor |
| PCT/US2004/015604 WO2004103161A2 (fr) | 2001-10-03 | 2004-05-19 | Joint torique amélioré pour dispositif de protection d'incisions à réglage incrémentiel, et rétracteur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1638441A2 true EP1638441A2 (fr) | 2006-03-29 |
Family
ID=35985749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04752598A Withdrawn EP1638441A2 (fr) | 2003-05-19 | 2004-05-19 | Joint torique am lior pour dispositif de protection d'incisions r glage incr mentiel, et r tracteur |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1638441A2 (fr) |
-
2004
- 2004-05-19 EP EP04752598A patent/EP1638441A2/fr not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004103161A3 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20051219 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
| PUAK | Availability of information related to the publication of the international search report |
Free format text: ORIGINAL CODE: 0009015 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: A61F 13/00 20060101AFI20060705BHEP |
|
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20081202 |