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EP0068864A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Lancet injector
Assignee: Sherwood Services Ag tyco Group Sarl
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Filing: 1982-06-28
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Granted: —
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Expires: 2002-06-28
Abstract
Abstract A lancet injector is provided which has an elongated housing (12), a slidable lancet holder (16) in the housing, a compression spring (34) connected between the holder (16) and one end of the housing (20), and a control member (48) for moving the holder (16). The control member (48) is operable to move the lancet holder (16) to a latched retracted position against the force of the spring, release the holder so that it moves linearly under the force of the spring and inertia to a skin piercing position and then back to a neutral position in which the spring is in a free length condition.
Inventors
- 👤 William Daniel Cornell
- 👤 Carnot Wagner Evans
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 03:20
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/151; A61B5/15186; A61B5/150007; A61B5/150015; A61B5/150022; A61B5/150374; A61B5/150381; A61B5/150412; A61B5/15101; A61B5/15103; A61B5/15107; A61B5/15113; A61B5/15115; A61B5/15117; A61B5/15126; A61B5/15128; A61B5/15188; A61B5/1519
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
166 words
A lancet injector characterised by an elongate housing (12), a lancet holder (16) slidable in the elongate housing and adapted to have a lancet (60) releasably connected thereto for piercing the skin, spring means (34) in the housing, one end of the spring means engaging the holder (16) and the other end engaging a proximal end portion of the housing (12), control means (48) connected to the holder (16) for moving the holder, the control means (48) being movable to move the holder linearly against the force of the spring means (34) to a releasable retracted position in which the spring means (34) is in a compressed condition, the control means (48) being movable to release the holder (16) from the retracted position so that the force of the spring means (34) and the inertia of the holder (16) when released from the retracted position is adapted to move the holder linearly toward a distal end portion of the housing (12) to a lancet piercing position.
Claim 2
Dependent Claim
166 words
A lancet injector characterised by an elongate housing (12), a lancet holder (16) slidable in the elongate housing and adapted to have a lancet (60) releasably connected thereto for piercing the skin, spring means (34) in the housing, one end of the spring means engaging the holder (16) and the other end engaging a proximal end portion of the housing (12), control means (48) connected to the holder (16) for moving the holder, the control means (48) being movable to move the holder linearly against the force of the spring means (34) to a releasable retracted position in which the spring means (34) is in a compressed condition, the control means (48) being movable to release the holder (16) from the retracted position so that the force of the spring means (34) and the inertia of the holder (16) when released from the retracted position is adapted to move the holder linearly toward a distal end portion of the housing (12) to a lancet piercing position.
Claim 3
Dependent Claim
98 words
An injector as claimed in Claim 1 wherein the holder (16) is movable distally from the retracted position to a neutral position wherein the spring means (34) is in its free length neutral force condition, the inertia of the holder when released from the retracted position being adapted to effect movement of the holder (16) linearly distally beyond the neutral position to the lancet piercing position in which the spring means (34) is in a tension condition, the holder (16) being movable proximally from the piercing to the neutral position by the force of the spring means (34).
Claim 4
Dependent Claim
96 words
An injector as claimed in Claim 1 or 2 wherein the control means (48) is movable to move the holder (16) to a releasable lancet access position wherein the spring means (34) is in a tension condition and a portion of the holder (16) extends distally beyond the distal end of the housing (12) for releasably connecting a lancet (60) to the holder, the control means (48) being movable to release the holder (16) from the access position to allow the force of the spring means (34) to move the holder (16) to the neutral position.
Claim 5
Dependent Claim
84 words
An injector as claimed in Claim 3 wherein the housing (12) has a slot (50) through its sidewall, the control means (48) extends through the sidewall to the exterior of said housing, the slot (50) having a first wall portion (69, 70) engageable with the control means to latch the holder (16) in the retracted position and the slot (50) having a second wall portion distally of said first wall portion engageable with the control member to latch the holder in the access position.
Claim 6
Dependent Claim
25 words
An injector as claimed in Claim 4 wherein the spring means (34) further biases the control member arcuately toward a longitudinal side of the slot.
Claim 7
Dependent Claim
45 words
An injector as claimed in any one of the preceding Claims which includes a removable cap (24) connected to the distal end of the housing and having an opening (25) therethrough for movement of a needle point of a lancet in the lancet piercing position
Claim 8
Dependent Claim
43 words
An injector as claimed in any one of the preceding claims wherein one end of the spring means (34) is secured to the holder(16) and the other end of the spring means is secured to the proximal end portion of the housing (12).
Claim 9
Dependent Claim
19 words
An injector as claimed in any one of the preceding claims wherein the spring means is a coil spring.
Claim 10
Dependent Claim
19 words
An injector as claimed in Claim 8 wherein the coil spring is the sole functional spring in the injector.
Claim 11
Dependent Claim
31 words
An injector as claimed in any one of the preceding claims wherein the holder (16) includes a lancet receiving sleeve (30) at the distal end thereof for frictionally receiving a lancet.
References Cited (Backward Citations)
No citation records indexed.
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