Patent US2042496A successfully refreshed from Google Patents.
US5755733A
Expired / Lapsed
US
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Lancet assembly
Assignee: Asahi Polyslider Co Ltd
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Filing: 1995-11-27
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Granted: 1998-05-26
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Expires: 2015-11-27
Abstract
Abstract There is provided a blade type lancet assembly of which sterile condition is readily to be kept. A lancet assembly is composed of a lancet structure and a holder which is combined with the lancet structure, the lancet structure includes a lancet member having a pricking member and an ejector which ejects the lancet member, and an exposed portion of the pricking member is covered with a resin.
Inventors
- 👤 Susumu Morita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/151; A61B5/15142; A61B5/150007; A61B5/150015; A61B5/150022; A61B5/150206; A61B5/150274; A61B5/150297; A61B5/150305; A61B5/150312; A61B5/150374; A61B5/150381; A61B5/150442; A61B5/150458; A61B5/150534; A61B5/150541; A61B5/150564; A61B5/15058; A61B5/150618; A61B5/150694; A61B5/150717; A61B5/150885; A61B5/150893; A61B5/15101; A61B5/15103; A61B5/15107; A61B5/15111; A61B5/15115; A61B5/15117; A61B5/15126; A61B5/1513; A61B5/15144
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
93 words
A lancet assembly including an ejector assembly, the ejector assembly comprising: a base member; a spring member coupled to the base member and extending therefrom; and at least one flap extending from the base member toward the spring member substantially adjacent the spring member, the flap being separated from the spring member by a gap, said flap acting as an entanglement preventative means whereby said flap substantially prevents foreign objects from becoming entangled with the spring member during handling of the ejector assembly before assembly of the ejector assembly into the lancet assembly.
Claim 2
Dependent Claim
93 words
A lancet assembly including an ejector assembly, the ejector assembly comprising: a base member; a spring member coupled to the base member and extending therefrom; and at least one flap extending from the base member toward the spring member substantially adjacent the spring member, the flap being separated from the spring member by a gap, said flap acting as an entanglement preventative means whereby said flap substantially prevents foreign objects from becoming entangled with the spring member during handling of the ejector assembly before assembly of the ejector assembly into the lancet assembly.
Claim 3
Dependent Claim
82 words
The lancet assembly of claim 1 wherein the base member includes: a base portion to which said spring member is coupled; and at least one arm extending upwardly from the base portion substantially parallel the spring member; wherein the spring member is generally in the form of a wave, and wherein at least one flap has a waved edge disposed substantially adjacent the spring member such that the waved edge of the flap generally follows the waved form of the spring member.
Claim 4
Dependent Claim
15 words
The lancet assembly of claim 2 wherein the flap is integrally formed with the arm.
Claim 5
Dependent Claim
92 words
The lancet assembly of claim 1 wherein the base member is a U-shaped structure which includes: a base portion; and two arms upwardly extending from the base portion substantially parallel to and disposed along opposite sides of the spring member; wherein the spring member has a generally wave-like contour, and wherein the at least one flap has a waved edge disposed between one of said arms and said spring member substantially adjacent the spring member such that the waved edge of the flap generally follows the wave-like contour of the spring member.
Claim 6
Dependent Claim
58 words
The lancet assembly of claim 1 wherein the base member includes: a base portion; and at least one arm extending upwardly from the base portion substantially parallel the spring member; wherein the spring member is in the form of a coil, and the at least one flap has a substantially straight edge disposed substantially adjacent the spring member.
Claim 7
Dependent Claim
15 words
The lancet assembly of claim 5 wherein the flap is integrally formed with the arm.
Claim 8
Dependent Claim
119 words
A lancet assembly including a lancet structure and a holder for at least partially enclosing the lancet structure, the lancet structure comprising: a lancet member; a blade coupled to the lancet member; an ejector operable to move the lancet member relative to the holder to extend the blade from the holder in an ejection direction; a molded resin cover covering an exposed portion of the blade; and a notch in the resin cover at a position at which the resin cover is breakable to expose the exposed portion of the blade when the resin cover is pulled in the ejection direction, the notch being of a depth such that it does not interfere with the sterility of the blade.
Claim 9
Dependent Claim
119 words
A lancet assembly including a lancet structure and a holder for at least partially enclosing the lancet structure, the lancet structure comprising: a lancet member; a blade coupled to the lancet member; an ejector operable to move the lancet member relative to the holder to extend the blade from the holder in an ejection direction; a molded resin cover covering an exposed portion of the blade; and a notch in the resin cover at a position at which the resin cover is breakable to expose the exposed portion of the blade when the resin cover is pulled in the ejection direction, the notch being of a depth such that it does not interfere with the sterility of the blade.
Claim 10
Dependent Claim
11 words
The lancet assembly of claim 7 wherein the notch is molded.
Claim 11
Dependent Claim
21 words
The lancet assembly of claim 8 wherein the notch is further cut into the cover after the resin cover is molded.
Claim 12
Dependent Claim
20 words
The lancet assembly of claim 7 wherein the notch is cut into the cover after the resin cover is molded.
Claim 13
Dependent Claim
12 words
The lancet assembly of claim 7 wherein said notch is narrow slit.
Claim 14
Independent Claim
101 words
A method for assembling a lancet assembly having a lancet structure and a holder having a cavity, the lancet structure including an ejector, a lancet body, a sterile pricking member and a cover over the pricking member, the lancet assembly having an ejection axis along which the pricking member is ejected through the holder during use, said method comprising the steps of: holding the holder, inserting the lancet structure into the holder substantially along the ejection axis such that a portion of the cover over the sterile pricking member extends partially through an ejection opening in a wall of the holder.
Claim 15
Independent Claim
101 words
A method for assembling a lancet assembly having a lancet structure and a holder having a cavity, the lancet structure including an ejector, a lancet body, a sterile pricking member and a cover over the pricking member, the lancet assembly having an ejection axis along which the pricking member is ejected through the holder during use, said method comprising the steps of: holding the holder, inserting the lancet structure into the holder substantially along the ejection axis such that a portion of the cover over the sterile pricking member extends partially through an ejection opening in a wall of the holder.
Claim 16
Dependent Claim
42 words
The method as claimed in claim 12 wherein the ejector, lancet body, and cover over the pricking member are formed as a unitary lancet structure and the step of inserting the lancet structure includes inserting the unitary lancet structure into the holder.
Claim 17
Dependent Claim
21 words
The method as claimed in claim 12 further including the step of coupling the covered pricking member to the lancet body.
Claim 18
Dependent Claim
50 words
The method as claimed in claim 14 wherein the coupling step includes sliding a male portion of the covered pricking member into a female portion of the lancet body in a direction substantially perpendicular to the ejection axis prior to the step of inserting the lancet structure into the holder.
Claim 19
Dependent Claim
52 words
The method as claimed in claim 14 wherein the step of inserting the lancet structure includes the steps of inserting the coupled lancet body and covered pricking member into the holder in the direction of the ejection axis, inserting the ejector into the holder, and coupling the ejector to the lancet body.
Claim 20
Dependent Claim
64 words
The method as claimed in claim 12 wherein the lancet body and the covered pricking member are formed as a unitary lancet member, and the step of inserting the lancet structure includes the steps of inserting the unitary lancet member into the holder in the direction of the ejection axis, inserting the ejector into the holder, and coupling the ejector to the lancet body.
Claim 21
Dependent Claim
66 words
The method as claimed in claim 12 wherein the step of holding the holder comprises substantially sandwiching the holder within a first assembly tool, the method further comprising the steps of substantially sandwiching the lancet structure within a second assembly tool, aligning the lancet structure with the holder, and releasing the lancet structure from the second assembly tool to insert the lancet structure into the holder.
Claim 22
Dependent Claim
56 words
The method as claimed in claim 18 wherein the step of sandwiching the lancet structure includes the step of sandwiching the lancet structure between first and second halves of the second assembly tool, and the step of releasing the lancet structure includes the step of separating the first and second halves of the second assembly tool.
Claim 23
Dependent Claim
112 words
The method as claimed in claim 12 wherein the step of holding the holder comprises substantially sandwiching the holder within a first assembly tool, the method further comprising the steps of substantially sandwiching the lancet body and covered pricking member within a second assembly tool, substantially sandwiching the ejector within a third assembly tool, aligning the lancet body and covered pricking member with the holder, and releasing the lancer body and covered pricking member from the second assembly tool to insert the lancet body and covered pricking member into the holder, aligning the ejector with the lancet body, covered pricking member, and holder, and releasing the ejector from the third assembly tool.
Claim 24
Dependent Claim
68 words
The method as claimed in claim 20 wherein the step of sandwiching the lancet holder and covered pricking member includes the step of sandwiching the lancet body and covered pricking member between first and second halves of the second assembly tool, and the step of releasing the lancet body and covered pricking member includes the step of separating the first and second halves of the second assembly tool.
Claim 25
Dependent Claim
53 words
The method as claimed in claim 20 wherein the step of sandwiching the ejector includes the step of sandwiching the ejector between first and second halves of the third assembly tool, and the step of releasing the ejector includes the step of separating the first and second halves of the third assembly tool.
Claim 26
Dependent Claim
53 words
The method as claimed in claim 21 wherein the step of sandwiching the ejector includes the step of sandwiching the ejector between first and second halves of the third assembly tool, and the step of releasing the ejector includes the step of separating the first and second halves of the third assembly tool.
Claim 27
Dependent Claim
31 words
The method as claimed in claim 18 further comprising the steps of automatically feeding the holder to the first assembly tool and automatically feeding the lancet assembly to the second tool.
Claim 28
Dependent Claim
31 words
The method as claimed in claim 20 further comprising the steps of automatically feeding the holder to the first assembly tool and automatically feeding the lancet assembly to the second tool.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-05-25 | 2001-11-24 | 2002-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-05-25 | 2005-11-24 | 2006-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-05-25 | 2009-11-24 | 2010-05-26 | $7700.00 | Window Closed / Lapsed |