US5645076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic retractable safety penetrating instrument
Assignee: Individual
•
Filing: 1995-03-15
•
Granted: 1997-07-08
•
Expires: 2015-03-15
Abstract
Abstract An automatic retractable safety penetrating instrument for introduction of sleeves, such as portal sleeves, cannulas and catheters, into anatomical cavities by means of penetrating members, such as solid tip trocars, other solid configuration obturators and cannulated penetrating members, such as needles, include locking and releasing mechanisms for automatic retraction of the penetrating member into the sleeve upon the sleeve entering the anatomical cavity. Various locking and releasing mechanisms are utilized for disposition in the penetrating member hub, in the shaft of the penetrating member or partially in the shaft and the hub, and the penetrating member can be made of telescoping distal and shaft sections to minimize the length of the penetrating member hub.
Inventors
- 👤 Inbae Yoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:16
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3417; A61B17/3494; A61B17/3496; A61B17/3474; A61B17/3498; A61B2017/00477; A61B2017/3454; A61B2017/348; A61B2017/3482; A61B2017/3484; A61B90/00; A61B90/08; A61B2090/0801; A61B2090/08021; A61B2090/0807; A61B2090/0811
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
196 words
An automatic retractable safety penetrating instrument for introducing a sleeve into a cavity in the body comprising a sleeve for providing a passage through a cavity wall and having a distal end for positioning in the body cavity, a proximal end for positioning externally of the body cavity and a lumen extending between said distal and proximal ends; a penetrating member disposed in said lumen of said sleeve and having a distal end for penetrating the cavity wall and terminating proximally at a hub; a retracting mechanism for moving said distal end of said penetrating member proximally relative to said sleeve from an extended position where said distal end of said penetrating member protrudes beyond said distal end of said sleeve to a retracted position within said sleeve; a locking and releasing mechanism for automatically actuating said retracting mechanism to move said distal end of said penetrating member to said retracted position in response to said distal end of said sleeve entering the body cavity; and control means carried by said hub for selectively disabling said locking and releasing mechanism to prevent automatic retraction of said distal end of said penetrating member from said extended position.
Claim 2
Dependent Claim
196 words
An automatic retractable safety penetrating instrument for introducing a sleeve into a cavity in the body comprising a sleeve for providing a passage through a cavity wall and having a distal end for positioning in the body cavity, a proximal end for positioning externally of the body cavity and a lumen extending between said distal and proximal ends; a penetrating member disposed in said lumen of said sleeve and having a distal end for penetrating the cavity wall and terminating proximally at a hub; a retracting mechanism for moving said distal end of said penetrating member proximally relative to said sleeve from an extended position where said distal end of said penetrating member protrudes beyond said distal end of said sleeve to a retracted position within said sleeve; a locking and releasing mechanism for automatically actuating said retracting mechanism to move said distal end of said penetrating member to said retracted position in response to said distal end of said sleeve entering the body cavity; and control means carried by said hub for selectively disabling said locking and releasing mechanism to prevent automatic retraction of said distal end of said penetrating member from said extended position.
Claim 3
Dependent Claim
103 words
An automatic retractable safety penetrating instrument as recited in claim 1 and further comprising an elongate member movable longitudinally relative to said penetrating member and having a blunt distal end, and means biasing said elongate member distally toward an extended position where said blunt distal end protrudes beyond said distal end of said penetrating member, and wherein said control means includes means for selectively retracting said elongate member with said penetrating member when said penetrating member is automatically moved to said retracted position or maintaining said elongate member in said extended position when said penetrating member is moved automatically to said retracted position.
Claim 4
Dependent Claim
23 words
An automatic retractable safety penetrating instrument as recited in claim 2 wherein said elongate member is a probe passing through said penetrating member.
Claim 5
Dependent Claim
23 words
An automatic retractable safety penetrating instrument as recited in claim 2 wherein said elongate member is a shield disposed around said penetrating member.
References Cited (Backward Citations)
US1527291A
Cited
US2496111A
Cited
US2630803A
Cited
US2623521A
Cited
DE2544262A1
Cited
US4230123A
Cited
US4345589A
Cited
US4254762A
Cited
US4442836A
Cited
US4503856A
Cited
US4535773A
Cited
US4488545A
Cited
USRE32922E
Cited
US4601710B1
Cited
US4601710A
Cited
US4559041A
Cited
US4677979A
Cited
SU1435246A1
Cited
US4670008A
Cited
US4627841A
Cited
US4654030A
Cited
US4817603A
Cited
US4902280A
Cited
US5030206A
Cited
US4802275A
Cited
US4900307A
Cited
US4747831A
Cited
US4931042A
Cited
US4943280A
Cited
US5053016A
Cited
US4869717A
Cited
US5066288A
Cited
US4955870A
Cited
US4906236A
Cited
US5024665A
Cited
US4889117A
Cited
US4966593A
Cited
US4946446A
Cited
US5026388A
Cited
US4994042A
Cited
US5104383A
Cited
US4994068A
Cited
US4973316A
Cited
US5224470A
Cited
US5127909A
Cited
US5061251A
Cited
US5114407A
Cited
US5318580A
Cited
US5116353A
Cited
US5116353B1
Cited
US5318585A
Cited
US5104382A
Cited
US5342382A
Cited
US5152754A
Cited
US5295993A
Cited
US5290304A
Cited
US5312354A
Cited
US5158552A
Cited
US5207647A
Cited
US5320610A
Cited
US5324268A
Cited
US5226891A
Cited
US5290243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-07-07 | 2001-01-06 | 2001-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-07-07 | 2005-01-06 | 2005-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-07-07 | 2009-01-06 | 2009-07-08 | $7700.00 | Window Closed / Lapsed |