Source: http://www.google.com/patents/US7704265?dq=6,967,448
Timestamp: 2016-10-24 10:13:26
Document Index: 91357349

Matched Legal Cases: ['art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 2', 'art 2', 'art 2', 'art 2', 'art 2', 'art 1', 'art 1', 'art 1', 'art 1', 'art 10', 'art 10', 'art 10', 'art 10', 'art 10', 'art 20', 'art 20', 'art 20', 'art 20', 'art 20', 'art 10', 'art 10', 'art 10', 'art 1', 'art 10', 'arts 20']

Patent US7704265 - Disposable/single-use blade lancet device and method - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsSingle-use blade lancet device includes a body having a rear end and a front end. A triggering mechanism has a blade tip opening and is mounted to the body. A blade member is movably mounted within the body and includes a front end and a rear end. The blade member is movable at least between a first...http://www.google.com/patents/US7704265?utm_source=gb-gplus-sharePatent US7704265 - Disposable/single-use blade lancet device and methodAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS7704265 B2Publication typeGrantApplication numberUS 11/265,151Publication dateApr 27, 2010Filing dateNov 3, 2005Priority dateNov 3, 2005Fee statusPaidAlso published asCA2624157A1, CA2624157C, CN101426425A, CN101426425B, EP1943065A2, EP1943065A4, US8454642, US8876846, US20070095178, US20100168776, US20140005709, WO2007089361A2, WO2007089361A3Publication number11265151, 265151, US 7704265 B2, US 7704265B2, US-B2-7704265, US7704265 B2, US7704265B2InventorsSteve SchragaOriginal AssigneeStat Medical Devices, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (133), Non-Patent Citations (4), Referenced by (11), Classifications (22), Legal Events (8) External Links: USPTO, USPTO Assignment, EspacenetDisposable/single-use blade lancet device and method
US 7704265 B2Abstract
Single-use blade lancet device includes a body having a rear end and a front end. A triggering mechanism has a blade tip opening and is mounted to the body. A blade member is movably mounted within the body and includes a front end and a rear end. The blade member is movable at least between a first retracted position, an extended position, and a second retracted position. A biasing arrangement biases the blade member from the first retracted position towards the extended position and then towards the second retracted position. A guiding arrangement guides the blade member while the blade member moves from the first retracted position towards the extended position and then towards the second retracted position. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.
According to one aspect of the invention there is provided a single-use blade lancet device, comprising a body comprising a rear end and a front end. A triggering mechanism comprises a blade tip opening. The triggering mechanism is at least one of associated with the body and mounted to the body. A blade member is movably mounted within the body and comprises a front end and a rear end. The blade member is movable at least between a first retracted position, an extended position, and a second retracted position. A biasing arrangement biases the blade member from the first retracted position towards the extended position and then towards the second retracted position. A guiding arrangement guides the blade member while the blade member moves from the first retracted position towards the extended position and then towards the second retracted position. During movement of the blade member, the guiding arrangement ensures that the blade member both moves along a curved path and slides in a linear direction which is substantially parallel to an axis extending from the blade tip opening to the rear end of the body.
As can be seen in FIGS. 1-3, the lancet body 2/1 can have a generally rectangular shape and can preferably also have an ergonomic shape to facilitate comfortable gripping/holding. Of course, the invention contemplates other shapes for the lancet body provided that they result in a relatively inexpensive design and/or which is economical to produce. As explained above, the front end of the lancet device LD includes a skin engaging surface SCS which is defined by outer surface of the trigger cap 3 (see FIGS. 19-21). A lancet blade opening BO extends through an end wall of the trigger cap 3 and serves to allow the tip of lancet blade member 5 to penetrate beyond the surface SCS (see e.g., FIG. 26). In this regard, the trigger cap 3 is movably mounted to the front end portion of the lancet body. In the instant embodiment, the trigger cap 3 is a generally rectangular-shaped cap member for reasons of aesthetic design. However, the invention contemplates a variety of shapes for the trigger cap 3 such as, e.g., oval, triangular, square, polygonal, etc,. Moreover, in the instant embodiment, the trigger cap 3 is generally centrally mounted, relative to the sides of the lancet body. However, the invention contemplates other locations and/or positions for the trigger cap 3, provided such locations allow the lancet device to function properly. Other ways of associating the trigger cap 3 on the lancet body are expressly contemplated, such as, e.g., being integral with the housing and acting as a living hinge or spring. The trigger cap 3 is installed in an opening formed by partial openings 1 a and 2 a of the front cover 2 and rear cover 1 and is sized to slide within the opening in a smooth low-friction manner. As can be seen in FIGS. 19-21, the trigger cap 3 has shoulders 3a which engage inner surfaces of the opening 1 a/2 a (see e.g., FIG. 24) whereby the trigger cap 3 is prevented from falling out of the lancet body once installed. The trigger cap 3 is also sized to be slid into and/or be pushed into the lancet body (see e.g., FIGS. 25 and 26). However, this movement is resisted owing to the fact that the trigger cap 3 is biased towards an extended position (see e.g., FIG. 24) via a coil extension spring 4 and also by virtue of engagement between the slide member 6 and the deflecting arms 3 b and 3 c. This biasing force and engagement can be overcome, however, when the trigger cap 3 is pushed into the lancet body sufficiently (see e.g., FIGS. 25 and 26) by applying a force to the surface SCS. Furthermore, because the trigger cap 3 includes an opening BO, once triggered, the blade tip 5 a will be allowed to pass there-through (see e.g., FIG. 26) in order to penetrate a user's skin. Moreover, because the trigger cap 3 also includes the deflecting arms 3 b and 3 c and, due to the tapered surfaces 6 c and 6 d, the trigger cap 3 is prevented from moving back to a pre-triggered position by the slide member 6, the blade member 5, the connecting member 7, and the spring 4. Thus, once triggered, the lancet device LD is automatically rendered unusable again—thereby rendering the device a single-use device, a safe device because the blade member 5 is safely contained in the housing, and a device which can be disposed of safely.
With reference to FIGS. 4-7, it can be seen that the rear body or lower housing part 1 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The lower body part 1 may also be made of ABS—Metallic Silver and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, the lower body part 1 may have an overall length (measured vertically across FIG. 4) that is approximately 40 mm and an overall width (measured horizontally across FIG. 4) of approximately 26 mm. Although undesirable for reasons of cost, the lower body part 1 may even be made of a plurality of sections of parts which are joined together to form the complete lower body part 1, without leaving the scope of the invention.
With reference to FIGS. 8-10, it can be seen that the front body or upper housing part 2 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The upper body part 2 may also be made of ABS—Metallic Silver and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, the upper body part 2 may have an overall length (measured vertically across FIG. 8) that is approximately 40 mm and an overall width (measured horizontally across FIG. 8) of approximately 26 mm. Although undesirable for reasons of cost, the upper body part 2 may even be made of a plurality of sections of parts which are joined together to form the complete upper body part 2, without leaving the scope of the invention.
FIGS. 15 and 16 show various views of the slide member 6. The slide member 6 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The slide member 6 may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the slide member 6 may have an overall length that is approximately 7.4 mm (measured horizontally across FIG. 15), and over width of approximately 5 mm (measured vertically in FIG. 16), and an overall thickness of approximately 2.4 mm. Moreover, the slide member 6 may even be made of a plurality of sections of parts which are joined together to form the complete slide member 6, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the slide member 6 were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 1 and connected thereto with a living hinge (not shown).
FIGS. 17 and 18 show various views of the connecting member 7. The connecting member 7 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The connecting member 7 may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the connecting member 7 may have an overall length that is approximately 11.6 mm (measured horizontally across FIG. 17), and over width of approximately 5 mm (measured vertically in FIG. 18), an overall thickness of projection 7 b of approximately 4 mm, and an overall thickness of projection 7 d of approximately 3 mm. Moreover, the connecting member 7 may even be made of a plurality of sections of parts which are joined together to form the complete connecting member 7, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the connecting member 7 were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 1 and connected thereto with a living hinge (not shown).
FIGS. 19-21 show various views of the trigger cap 3. The trigger cap 3 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The trigger cap 3 may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the trigger cap 3 may have an overall length that is approximately 13.3 mm (measured from surface SCS to the ends of arms 3 b and 3 c), and over width of approximately 17.3 mm (measured across the shoulders 3 a), and an overall thickness of approximately 4.2 mm. Moreover, the trigger cap 3 may even be made of a plurality of sections of parts which are joined together to form the complete trigger cap 3, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the trigger cap 3 were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 1 and connected thereto with a living hinge (not shown).
FIGS. 22-23 show various views of the protective cap PC. The cap PC can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The cap PC may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the cap PC may have an overall thickness that is approximately 12.3 mm (measured horizontally in FIG. 22), and an overall width of approximately 13.6 mm (measured vertically in FIG. 23), and an overall length of approximately 21.7 mm (measured horizontally in FIG. 23). Moreover, the cap PC may even be made of a plurality of sections of parts which are joined together to form the complete cap PC, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the cap PC were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 1 and connected thereto with a living hinge (not shown). As explained above, the cap PC has generally parallel planar sides whose inner surfaces are designed to frictionally engage portions 1 e/2 e of the body parts.
As can be seen in FIGS. 28-30, the lancet body 20/10 can have a generally rectangular shape and can preferably also have an ergonomic shape to facilitate comfortable gripping/holding. Of course, the invention contemplates other shapes for the lancet body provided that they result in a relatively inexpensive design and/or which is economical to produce. As explained above, the front end of the lancet device LD includes a skin engaging surface SCS which is defined by outer surface of the trigger cap 30 (see FIGS. 54-58). A lancet blade opening BO′ extends through an end wall of the trigger cap 30 and serves to allow the tip of lancet blade member 50 to penetrate beyond the surface SCS (see e.g., FIG. 26). In this regard, the trigger cap 30 is movably mounted to the front end portion of the lancet body. In the instant embodiment, the trigger cap 30 is a generally rectangular-shaped cap member for reasons of aesthetic design. However, the invention contemplates a variety of shapes for the trigger cap 30 such as, e.g., oval, triangular, square, polygonal, etc,. Moreover, in the instant embodiment, the trigger cap 30 is generally centrally mounted, relative to the sides of the lancet body. However, the invention contemplates other locations and/or positions for the trigger cap 30, provided such locations allow the lancet device to function properly. Other ways of associating the trigger cap 30 on the lancet body are expressly contemplated, such as, e.g., being integral with the housing and acting as a living hinge or spring. The trigger cap 30 is installed in an opening formed by partial openings 10 a and 20 a of the front cover 20 and rear cover 10 and is sized to slide within the opening 10 a/20 a in a smooth low-friction manner. As can be seen in FIGS. 54-58, the trigger cap 30 has shoulders 30 a which engage inner surfaces of the opening 10 a/20 a (see e.g., FIG. 24) whereby the trigger cap 30 is prevented from falling out of the lancet body once installed. The trigger cap 30 is also sized to be slide intro and/or be pushed into the lancet body (see e.g., FIGS. 25 and 26). However, this movement is resisted owing to the fact that the trigger cap 30 is biased towards an extended position (see e.g., FIG. 24) via a torsion spring 40 and also by virtue of engagement between the slide member 60 and the deflecting arms 30 b and 30 c. This biasing force and engagement can be overcome, however, when the trigger cap 30 is pushed into the lancet body sufficiently (see e.g., FIGS. 25 and 26) by applying a force to the surface SCS. Furthermore, because the trigger cap 30 includes an opening BO′, once triggered, the blade tip 50 a will be allowed to pass there-through (see e.g., FIG. 26) in order to penetrate a user's skin. Moreover, because the trigger cap 30 also includes the deflecting arms 30 b and 30 c and, due to the tapered surfaces 60 c and 60 d, the trigger cap 30 is prevented from moving back to a pre-triggered position by the slide member 60, the blade member 50, the connecting member 70, and the spring 40. Thus, once triggered, the lancet device LD is automatically rendered unusable again—thereby rendering the device a single-use device, a safe device because the blade member 50 is safely contained in the housing, and a device which can be disposed of safely.
With reference to FIGS. 31-35, it can be seen that the rear body or lower housing part 10 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The lower body part 10 may also be made of ABS—Metallic Silver and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, the lower body part 10 may have an overall length (measured vertically across FIG. 33) that is approximately 40 mm and an overall width (measured horizontally across FIG. 33) of approximately 26 mm. Although undesirable for reasons of cost, the lower body part 10 may even be made of a plurality of sections of parts which are joined together to form the complete lower body part 10, without leaving the scope of the invention.
With reference to FIGS. 36-40, it can be seen that the front body or upper housing part 20 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The upper body part 20 may also be made of ABS—Metallic Silver and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, the upper body part 20 may have an overall length (measured vertically across FIG. 38) that is approximately 40 mm and an overall width (measured horizontally across FIG. 38) of approximately 26 mm. Although undesirable for reasons of cost, the upper body part 20 may even be made of a plurality of sections of parts which are joined together to form the complete upper body part 20, without leaving the scope of the invention.
FIGS. 45-49 show various views of the connecting member 70. The connecting member 70 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The connecting member 70 may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the connecting member 70 may have an overall length that is approximately 11.6 mm (measured vertically in FIG. 46), and over width of approximately 5 mm (measured horizontally in FIG. 46), an overall thickness of projection 70 b of approximately 4 mm, and an overall thickness of projection 70 d of approximately 3 mm. Moreover, the connecting member 70 may even be made of a plurality of sections of parts which are joined together to form the complete connecting member 70, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the connecting member 70 were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 10 and connected thereto with a living hinge (not shown).
As explained above, the connecting member 70 has a generally planar upper side 70 c which is designed to slidably engage with bottom surface 50 f of the blade member 50 when the rear projection 50 g is fully inserted into the opening 70 a. The circular projection 70 b rotatably engages the central opening in the tubular projection 10 c. The projection 70 b also includes deflecting projections which provides a snap connection when inserted in the opening of the tubular projection 10 c. This connection ensures that the connecting member 70 has limited axial movement while still allowing the connecting member 70 to rotate about an axis running through the tubular projection 10 c. The connecting member 70 thus forms connecting link with two pivot/rotatable connection points, i.e., one formed by the projection 70 b and the opening of projection 10 c of the lower housing 10, and another formed by the opening 70 a and the rear projection 50 h of the blade member 50. FIG. 68 illustrates how the spring 40 can be installed relative to the connecting member 60 so as to bias the connecting member towards rotating in a clockwise direction. As is shown, one end of the spring 40 b can contact an inner surface of the bottom wall of the lower housing part 10 and another end 40 c can contact the projection 70 d. FIGS. 50-53 show various views of the slide member 60. The slide member 60 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The slide member 60 may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the slide member 60 may have an overall length that is approximately 7.4 mm (measured horizontally across FIG. 50), and over width of approximately 5 mm (measured vertically in FIG. 50), and an overall thickness of approximately 2.4 mm. Moreover, the slide member 60 may even be made of a plurality of sections of parts which are joined together to form the complete slide member 60, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the slide member 60 were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 10 and connected thereto with a living hinge (not shown).
FIGS. 54-58 show various views of the trigger cap 30. The trigger cap 30 can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The trigger cap 30 may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the trigger cap 30 may have an overall length that is approximately 13.3 mm (measured from surface SCS to the ends of arms 30 b and 30 c), and over width of approximately 17.3 mm (measured across the shoulders 30 a), and an overall thickness of approximately 4.2 mm. Moreover, the trigger cap 30 may even be made of a plurality of sections of parts which are joined together to form the complete trigger cap 30, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the trigger cap 30 were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 1 and connected thereto with a living hinge (not shown).
FIGS. 59-63 show various views of the protective cap PC′. The cap PC′ can preferably be made as one-piece structure by e.g., injection molding. In this regard, it is preferably made of a plastic or synthetic resin such as, e.g., ABS plastic. The cap PC′ may also be made of ABS—red and have a finish designated as SPI-A2. Of course, other materials and/or finishes may be utilized, without leaving the scope of the invention. Additionally, by way of non-limiting example, the cap PC′ may have an overall thickness that is approximately 12.3 mm (measured horizontally in FIG. 61), and an overall width of approximately 13.6 mm (measured vertically in FIG. 61), and an overall length of approximately 21.7 mm (measured horizontally in FIG. 59). Moreover, the cap PC′ may even be made of a plurality of sections of parts which are joined together to form the complete cap PC′, without leaving the scope of the invention, although it is preferred that it be formed a one-piece member. It would be even more preferable if the cap PC′ were integrally formed with the lancet body, and in particular, integrally formed with the lower body part 10 and connected thereto with a living hinge (not shown). As explained above, the cap PC′ has generally parallel planar sides whose inner surfaces can include projections P which frictionally engage with recesses R of the body parts 20, 10.
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No. 11/052,738 in the name of Schraga entitled "A Single Use Lancet Device", filed Feb. 7, 2005.* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS7981131 *Oct 22, 2008Jul 19, 2011Guoping ShiDisposable single-swing-arm incision safety lancetUS7998161 *Oct 22, 2008Aug 16, 2011Guoping ShiDisposable incision safety lancetUS8122605 *Jun 23, 2009Feb 28, 2012Earl VotolatoUtility knife with counter-reciprocating blade and guardUS8512367 *Feb 25, 2010Aug 20, 2013Facet Technologies, LlcBlood sampling device with dual-link drive mechanismUS8864783Dec 17, 2013Oct 21, 2014Bayer Healthcare LlcLancing deviceUS8876846 *May 13, 2013Nov 4, 2014Stat Medical Devices, Inc.Disposable/single-use blade lancet device and methodUS9375175Nov 14, 2013Jun 28, 2016Ascensia Diabetes Care Holdings AgLancing deviceUS20090271988 *Nov 5, 2009Earl & Kimberly Votolato Living TrustUtility knife with counter-reciprocating blade and guardUS20100010528 *Jan 14, 2010Guoping ShiDisposable single-swing-arm incision safety lancetUS20100010529 *Jan 14, 2010Guoping ShiDisposable incision safety lancetUS20110144537 *Jun 16, 2011Facet Technologies, LlcBlood sampling device with dual-link drive mechanism* Cited by examinerClassifications U.S. Classification606/182, 30/335, 600/583International ClassificationA61B17/3209, A61B5/151Cooperative ClassificationA61B5/150465, A61B5/150618, A61B5/15111, A61B5/15117, A61B5/150664, A61B5/150587, A61B5/150916, A61B5/150717, A61B5/150022, A61B5/15128, A61B5/150259, Y10T83/04, A61B5/1411, A61B5/15142, A61B5/15144European ClassificationA61B5/151D, A61B5/14B2Legal EventsDateCodeEventDescriptionNov 3, 2005ASAssignmentOwner name: STAT MEDICAL DEVICES, INC., FLORIDAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SCHRAGA, STEVEN;REEL/FRAME:017187/0668Effective date: 20051101Owner name: STAT MEDICAL DEVICES, INC.,FLORIDAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SCHRAGA, STEVEN;REEL/FRAME:017187/0668Effective date: 20051101Dec 14, 2010CCCertificate of correctionDec 6, 2013REMIMaintenance fee reminder mailedApr 27, 2014REINReinstatement after maintenance fee payment confirmedApr 27, 2014LAPSLapse for failure to pay maintenance feesJun 17, 2014FPExpired due to failure to pay maintenance feeEffective date: 20140427Sep 7, 2015PRDPPatent reinstated due to the acceptance of a late maintenance feeEffective date: 20150909Sep 9, 2015FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services