US6221089B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skin incision device with compression spring assembly
Assignee: International Technidyne Corp
•
Filing: 1997-07-07
•
Granted: 2001-04-24
•
Expires: 2017-07-07
Abstract
Abstract A device for making an incision in skin, having a housing with a slotted opening, and a triggering mechanism disposed within the housing for propelling a blade coupled thereto, through the slotted opening of the housing to make an incision in the skin. The triggering mechanism includes a finger engageable trigger located external to the housing for actuating the triggering mechanism and a spring anchoring assembly for automated machine arming the device after the triggering mechanism has been assembled into the housing.
Inventors
- 👤 James A. Mawhirt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:02
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; A61B5/150374; A61B5/150381; A61B5/150442; A61B5/15101; A61B5/15103; A61B5/15107; A61B5/15113; A61B5/15115; A61B5/15117; A61B5/15126; A61B5/15128
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
83 words
A device for making an incision in skin, comprising: a housing having a slotted opening and an aperture; triggering means disposed within said housing for propelling a blade coupled thereto, through said slotted opening of said housing a given distance to make an incision of a predetermined size in the skin, said triggering means including removable spring biasing means wherein after assembly of said triggering means in said housing, said spring biasing means engages said housing through said aperture and arms said device.
Claim 2
Independent Claim
83 words
A device for making an incision in skin, comprising: a housing having a slotted opening and an aperture; triggering means disposed within said housing for propelling a blade coupled thereto, through said slotted opening of said housing a given distance to make an incision of a predetermined size in the skin, said triggering means including removable spring biasing means wherein after assembly of said triggering means in said housing, said spring biasing means engages said housing through said aperture and arms said device.
Claim 3
Dependent Claim
32 words
The device according to claim 1 , wherein said removable spring biasing means includes automated machine actuable means disposed externally on said housing for manually locking and unlocking said spring biasing means.
Claim 4
Dependent Claim
48 words
The device according to claim 1 , wherein said triggering means includes an arm link which couples said blade, said spring biasing means rotating said arm link when said device is activated to propel said blade through said slotted opening of said housing when said device is activated.
Claim 5
Dependent Claim
26 words
The device according to claim 3 , wherein said removable spring biasing means includes a coil spring that engages said arm link of said triggering means.
Claim 6
Dependent Claim
58 words
The device according to claim 4 , wherein said removable spring biasing means further includes spring anchoring means, said coil spring being compressed between said spring anchoring means and said arm link when said device is armed and rotating said arm link when said device is activated to propel said blade through said slotted opening of said housing.
Claim 7
Dependent Claim
29 words
The device according to claim 1 , wherein said removable spring biasing means and said housing include bayonet locking means for retaining said spring biasing means to said housing.
Claim 8
Dependent Claim
22 words
The device according to claim 6 , wherein said bayonet locking means include opposing locking tabs on said removable spring biasing means.
Claim 9
Dependent Claim
33 words
The device according to claim 7 , wherein said bayonet locking means further include an aperture with a pair of opposing slots for receiving said locking tabs of said removable spring biasing means.
Claim 10
Dependent Claim
18 words
The device according to claim 1 , wherein said housing has a base which defines said slotted opening.
Claim 11
Independent Claim
106 words
A device for making an incision in skin, comprising; a housing having a slotted opening and an aperture; triggering means disposed within said housing, for propelling a blade coupled thereto, through said slotted opening of said housing a given distance to make an incision of a predetermined size in the skin, and then retracting said blade through said slotted opening into said housing, said triggering means including a finger engageable trigger located external to said housing for actuating said triggering means, and removable spring biasing means engaging said housing through said aperture and arming said device after said triggering means have been assembled into said housing.
Claim 12
Independent Claim
106 words
A device for making an incision in skin, comprising; a housing having a slotted opening and an aperture; triggering means disposed within said housing, for propelling a blade coupled thereto, through said slotted opening of said housing a given distance to make an incision of a predetermined size in the skin, and then retracting said blade through said slotted opening into said housing, said triggering means including a finger engageable trigger located external to said housing for actuating said triggering means, and removable spring biasing means engaging said housing through said aperture and arming said device after said triggering means have been assembled into said housing.
Claim 13
Dependent Claim
63 words
The device according to claim 10 , wherein said housing includes cam means for causing said blade to produce a cut path of a predetermined length in the skin which is substantially uniform in depth along said predetermined length, the cut path providing an instantaneous full depth cut and an instantaneous vertical pull out at the end of the cut preventing tissue tearing.
Claim 14
Dependent Claim
48 words
The device according to claim 10 , wherein said triggering means includes a blade holder/follower which couples said blade, said spring biasing means rotating said blade holder/follower when said device is activated to propel said blade through said slotted opening of said housing when said device is activated.
Claim 15
Dependent Claim
22 words
The device according to claim 12 , wherein said removable spring biasing means includes a coil spring that engages said blade holder/follower.
Claim 16
Dependent Claim
57 words
The device according to claim 13 , wherein said removable spring biasing means further includes a headed anchor, said coil spring being compressed between said headed anchor and said blade holder/follower when said device is armed and rotating said blade holder/follower when said device is activated to propel said blade through said slotted opening of said housing.
Claim 17
Dependent Claim
30 words
The device according to claim 10 , wherein said removable spring biasing means and said housing include bayonet locking means for retaining said removable spring biasing means to said housing.
Claim 18
Dependent Claim
21 words
The device according to claim 15 , wherein said bayonet locking means include opposing locking tabs on said spring biasing means.
Claim 19
Dependent Claim
33 words
The device according to claim 16 , wherein said bayonet locking means further include an aperture with a pair of opposing slots for receiving said locking tabs of said removable spring biasing means.
Claim 20
Dependent Claim
18 words
The device according to claim 10 , wherein said housing has a base which defines said slotted opening.
Claim 21
Dependent Claim
101 words
The device according to claim 10 , wherein said removable spring biasing means include: a headed anchor having a pair of opposing locking tabs which pass through a correspondingly shaped aperture in said housing to provide automated machine insertion and locking of said spring biasing means to said housing, and a coil spring abutted against said locking tabs, said spring becoming compressed between a blade holder/follower member of said triggering means which couples said blade and said locking tabs of said headed anchor when said removable spring biasing means is installed in said housing to arm said lancet device after assembly.
References Cited (Backward Citations)
US4136795A
Cited
US4643189A
Cited
US4766453A
Cited
US5071020A
Cited
US5026223A
Cited
US5732175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-04-23 | 2004-10-23 | 2005-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-04-23 | 2008-10-23 | 2009-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-04-23 | 2012-10-23 | 2013-04-24 | $7700.00 | Window Closed / Lapsed |