US20090270706A1 - Analyte monitoring - Google Patents
Analyte monitoring Download PDFInfo
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- US20090270706A1 US20090270706A1 US12/495,679 US49567909A US2009270706A1 US 20090270706 A1 US20090270706 A1 US 20090270706A1 US 49567909 A US49567909 A US 49567909A US 2009270706 A1 US2009270706 A1 US 2009270706A1
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- meter
- medical device
- component
- sensor
- analyte
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/48785—Electrical and electronic details of measuring devices for physical analysis of liquid biological material not specific to a particular test method, e.g. user interface or power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- Analytical sensors are commonly used to monitor the level of an analyte in a body fluid. For example, diabetics use analyte sensors to monitor body glucose levels.
- Analyte testing may involve testing once per day, but typically should be carried out periodically throughout the day using multiple analyte sensors—one sensor for each test.
- a sensor reader i.e., to analyze the body fluid applied to a sensor and determine one or more analyte levels
- a sensor reader oftentimes referred to as a “meter”
- the meter performs various functions and analyzes the sensor-applied sample to provide an analyte level to the user.
- the sensor receiving area of a meter is the opening in a meter that receives a sensor for testing.
- the sensor port is therefore an opening from the outside meter environment to the interior of the meter. Because the interior is exposed to the outside environment via the sensor port, the potential for contaminating materials to enter the meter's interior through the port exists. Such contamination may interfere with the readings and foul the analyte results. Given the importance of obtaining accurate analyte level readings, it is imperative that the meter does not become contaminated.
- analyte monitoring devices continue to be used for analyte monitoring, there continues to be an interest in methods for minimizing contamination of analyte monitoring devices, e.g., when a sensor is absent from the sensor receiving area of the device.
- Embodiments include methods of minimizing contamination of a sensor port of an analyte monitoring device.
- Various embodiments include covering a sensor receiving port of an analyte meter.
- the meter may be integrated with a continuous analyte monitoring system or not.
- a cover may be positioned about the meter port to provide closure thereof, and capable of being moved to a testing potion in which the port is opened so that a sensor may be received by the meter.
- a cover is fixedly secured at a first end to the meter, and cooperates with the meter at a second end to close the meter's port, but thereby permit rotation of the cover relative to the meter about the fixedly secured end (e.g., about a pivot point), but to substantially prevent movement of the cover relative to the meter other than to open the port for sensor access, e.g., to substantially prevent movement of the cover relative to the meter other than rotation about a pivot point at the fixed end.
- various embodiments are spring biased covers that self-close against a meter port.
- Embodiments of the self-closing covers may open and lock in an open position by way of a locking mechanism.
- the subject invention includes methods of monitoring an analyte using the port cover.
- Embodiments include exposing a sensor port of a meter by moving a cover from its closed position to its open position, e.g., by moving the cover about a pivot point.
- Certain embodiments include moving a cover to expose a port by the action of contacting a sensor with the cover, e.g., by the action of inserting a sensor into the port of the meter.
- FIG. 1A shows a side view of an exemplary embodiment of a port cover in a closed position covering a sensor port of a meter
- FIG. 1B shows a side view of the port cover of FIG. 1A in a closed position with a sensor positioned to be received in the port;
- FIG. 1C shows the cover of FIGS. 1A and 1B in the open or testing position providing sensor access to the port.
- the methods are particularly useful in providing openable doors to the interiors of meters to protect the interiors from contaminants that may enter the meters through the sensor ports.
- the meter doors are configured to substantially seal a sensor opening of a meter so that contaminants are excluded from the port.
- the port may be included in, e.g., integrated, with a continuous analyte monitoring system.
- the covers may be adapted to be used with any medical device having an opening and are particularly useful as adapted to be used with an analyte monitoring medical device having an opening for receiving a sensor (also commonly referred to as a test strip), such as an in vitro analyte monitoring meter or in vivo analyte monitoring system, e.g., those provided by Abbott Diabetes Care Inc. of Alameda, Calif.
- a sensor also commonly referred to as a test strip
- an in vitro analyte monitoring meter or in vivo analyte monitoring system e.g., those provided by Abbott Diabetes Care Inc. of Alameda, Calif.
- Meters may be electrochemical or optical meters, and may be configured to determine the level of one or more analytes, where analytes include, but are not limited to, glucose, lactate, acetyl choline, amylase, bilirubin, cholesterol, chorionic gonadotropin, creatine kinase (e.g., CK-MB), creatine, DNA, fructosamine, glucose, glutamine, growth hormones, hormones, ketones, lactate, peroxide, prostate-specific antigen, prothrombin, RNA, thyroid stimulating hormone, and troponin, in sample of body fluid.
- analytes include, but are not limited to, glucose, lactate, acetyl choline, amylase, bilirubin, cholesterol, chorionic gonadotropin, creatine kinase (e.g., CK-MB), creatine, DNA, fructosamine, glucose, glutamine, growth hormones, hormones, ketones, lactate, peroxide, prostate
- Meters may also be configured to determine the concentration of drugs, such as, for example, antibiotics (e.g., gentamicin, vancomycin, and the like), digitoxin, digoxin, drugs of abuse, theophylline, and warfarin, may also be determined and the like, in a sample of body fluid.
- the covers are shaped and sized to cooperate with a FreeStyle® blood glucose monitoring meter or a Precision® brand blood monitoring meter capable of monitoring glucose and ketones.
- the covers may be configured to close a port of a continuous analyte monitoring system.
- a continuous glucose monitoring system may include a component that receives analyte data from a transcutaneously inserted glucose sensor (a “receiver”), and which component may be configured to communicate analyte results to the user, e.g., audibly by way of a display, or visually.
- the continuous monitoring system receiver may include a conventional blood glucose meter and therefore a port for accepting a glucose test strip.
- the conventional meter and test strip may be used to calibrate the continuous system (see for example U.S. Pat. No. 6,175,752). It is to be understood that description of covers for opening of meters includes stand-alone meters, as well those operably connected to, e.g., integrated with, continuous analyte monitoring systems.
- Exemplary sensors and meters and continuous analyte monitoring systems (sometimes referred to a in vivo system) that may be employed include sensors and meters such as those described, e.g., in U.S. Pat. Nos. 6,071,391; 6,120,676; 6,143,164; 6,299,757; 6,338,790; 6,377,894; 6,600,997; 6,773,671; 6,514,460; 6,592,745; 5,628,890; 5,820,551; 6,736,957; 4,545,382; 4,711,245; 5,509,410; 6,540,891; 6,730,200; 6,764,581; 6,299,757; 6,338,790; 6,461,496; 6,503,381; 6,591,125; 6,616,819; 6,618,934; 6,676,816; 6,749,740; 6,893,545; 6,942,518; 6,175,752; and 6,514,718, and elsewhere.
- the covers may be fixedly attached/attachable to a meter, or may be wholly removable from a meter.
- a cover may be configured to be attachable to a meter over the port, but yet easily removable by a user when access to the sensor port is desired.
- a cover may be removably attached about a sensor port of a meter in any suitable manner, e.g., snap fit, friction fit, hook and loop engagement (e.g., Velcro), or other chemical or physical bonding method.
- Alternatives include adhesive bonding, solvent welding, molded-in snap fit joints and the use of fasteners such as screws.
- certain embodiments snap fit a soft material cover to hard plastic features (holes or slots) or injection mold into it.
- a portion of a cover is attached to the meter, allowing an unattached portion to move away from the meter to expose the port.
- a cover may be fixedly secured at its first end to a meter, and may cooperate with the meter at a second end to close the port about which the cover is positioned, yet permit movement of the cover in a direction to open the port, e.g., generally downward, upward, sideways, depending on its relation to the housing to provide access to the interior of the meter.
- a cover may be fixed at a portion thereof to the meter to enable rotation of the cover relative to the meter about a pivot point, e.g., about at least one hinge or spring biased hinge mechanism, but to substantially prevent movement of the cover relative to the meter other than rotation about the at least one pivot point.
- the cover is attached to the meter, e.g., at the bottom of the meter, and may be opened like a flap to expose the sensor port.
- the cover may be biased in a first or closed position to cover a sensor port.
- a spring may bias the closeable cover in a predetermined position, to for example the closed position shown in FIG. 1A .
- the biasing force e.g., provided by a spring, causes the cover to swing back to its initial starting position when the force causing the initial displacement is removed, e.g., a sensor is removed from the port.
- a user may open a cover by pushing or pulling on the cover, thereby causing displacement from its original position.
- insertion of a sensor into if the port may provide a force sufficient to open the cover, e.g., in a single action.
- a sensor received in the port may maintain the cover in an open position or the cover may lock in an open position. Once the displacement force is removed, e.g., a sensor is removed from the port such as after analyte testing, the cover is urged back to its starting position to close the port.
- a cover may also be configured to guide a sensor into the port.
- a cover may include guides, rails, channels, indentions, recessed structures, elevated structures, channels, orifices, clamps, and the like, e.g., on a sensor contacting surface thereof.
- a cover may have two spaced apart guides extending from the cover. With this configuration, a sensor may be slid into a tested position along the guides—the action thereof causing displacement of the cover in certain embodiments.
- the guides may be dimensioned such that a sensor is snugly fit in the guides when it is mounted between the guides.
- portions of the sensor may be gripped (such as with a user's fingers) and the gripped portions used to then slide the sensor into the mounted position between the guides.
- the covers may include a protrusion configured to at least partially enter and reside in the sensor port when in the closed position. This feature further ensures that contaminants will be kept out of the interior of the meter.
- the covers may be made of any suitable material.
- the material is substantially flexible, but robust enough to withstand the constant movement of the covers from the closed to open positions.
- Elastomeric materials may be used, e.g., rubber or other compliant material.
- the covers may be treated or covered with a beneficial agent, e.g., antibacterial agent or the like.
- the covers may be attached to the meter during manufacture, e.g., in those embodiments in which a cover is fixedly attached to a meter at least at one portion of the cover.
- a cover may be provided to users detached from a meter, but easily attachable by a user. In such instances, covers may be re-usable.
- FIG. 1A shows an analyte meter 10 having a sensor port 12 .
- Meter 10 includes housing 12 defining an interior space and having a sensor port 14 that is closed by sensor port cover 20 .
- cover 20 has a substantially C-shaped body, such that the “C” is adapted to cooperate with a portion of the meter and in particular a portion of the sensor port.
- Cover protrusion 26 intrudes into port 14 .
- the “C” is configured to cooperate and fit with the “bottom” of the port in a mating relationship.
- FIG. 1B shows an analyte sensor 30 , e.g., a glucose sensor, being positioned against cover 20 for insertion into port 14 .
- the sensor is shown as having a generally rectangular shape, but it is to be appreciated that any shaped sensor may be used.
- the bottom of the “C” or first cover end 22 is pivotally attached to the meter and the top of the “C” or second cover end 24 is not fixedly attached to the meter so that it may pivot downward as shown in FIGS. 1B and 1C .
- Sensor 30 is guided down a shoulder of the cover to operatively position the sensor in the sensor port. In this embodiment, the action of inserting sensor 30 into port 14 opens cover 20 to permit access to the port.
- FIG. 1C shows the cover in a fully displaced position and sensor 30 operatively positioned in port 14 for testing. Once the sensor is removed, the cover may spring back to its closed position or may be manually pushed back into position depending on the particular embodiment.
- a part of the cover may contact at least a bottom (cover contacting side) and/or the sides of the sensor, to prevent sample from moving into the port along the sensor bottom side and/or one or more sensor sides. Pressure may be applied to a surface of the sensor from the cover when it is in the open position to provide a tighter cover/sensor interface.
- a sample of biological fluid is provided to the sensor for analyte testing, where the level of analyte is determined.
- the level of glucose in blood, interstitial fluid, and the like is determined.
- the source of the biological fluid is a drop of blood drawn from a patient, e.g., after piercing the patient's skin with a lancing device or the like.
- Embodiments of the subject methods may include contacting the sensor, either before or after opening the door to the sensor port, and transferring a volume of fluid from a skin incision to the sensor.
- the senor before, during or after sample is contacted with the sample chamber, the sensor is coupled to a meter and the concentration of an analyte in the sample, e.g., glucose, is determined.
- an analyte in the sample e.g., glucose
Abstract
Methods for covering an opening in an analyte meter are provided. Also provided are methods of determining analyte concentration.
Description
- Analytical sensors are commonly used to monitor the level of an analyte in a body fluid. For example, diabetics use analyte sensors to monitor body glucose levels.
- Analyte testing may involve testing once per day, but typically should be carried out periodically throughout the day using multiple analyte sensors—one sensor for each test. To “read” a sensor, i.e., to analyze the body fluid applied to a sensor and determine one or more analyte levels, a sensor reader, oftentimes referred to as a “meter”, is used. Either before or after a sample of body fluid is applied to a sensor, the sensor is received by a meter. The meter performs various functions and analyzes the sensor-applied sample to provide an analyte level to the user.
- The sensor receiving area of a meter, commonly referred to as a sensor “port”, is the opening in a meter that receives a sensor for testing. The sensor port is therefore an opening from the outside meter environment to the interior of the meter. Because the interior is exposed to the outside environment via the sensor port, the potential for contaminating materials to enter the meter's interior through the port exists. Such contamination may interfere with the readings and foul the analyte results. Given the importance of obtaining accurate analyte level readings, it is imperative that the meter does not become contaminated.
- Accordingly, as analyte monitoring devices continue to be used for analyte monitoring, there continues to be an interest in methods for minimizing contamination of analyte monitoring devices, e.g., when a sensor is absent from the sensor receiving area of the device.
- Analyte testing methods are provided. Embodiments include methods of minimizing contamination of a sensor port of an analyte monitoring device.
- Various embodiments include covering a sensor receiving port of an analyte meter. The meter may be integrated with a continuous analyte monitoring system or not. A cover may be positioned about the meter port to provide closure thereof, and capable of being moved to a testing potion in which the port is opened so that a sensor may be received by the meter. In certain embodiments, a cover is fixedly secured at a first end to the meter, and cooperates with the meter at a second end to close the meter's port, but thereby permit rotation of the cover relative to the meter about the fixedly secured end (e.g., about a pivot point), but to substantially prevent movement of the cover relative to the meter other than to open the port for sensor access, e.g., to substantially prevent movement of the cover relative to the meter other than rotation about a pivot point at the fixed end. Accordingly, various embodiments are spring biased covers that self-close against a meter port. Embodiments of the self-closing covers may open and lock in an open position by way of a locking mechanism.
- The subject invention includes methods of monitoring an analyte using the port cover. Embodiments include exposing a sensor port of a meter by moving a cover from its closed position to its open position, e.g., by moving the cover about a pivot point. Certain embodiments include moving a cover to expose a port by the action of contacting a sensor with the cover, e.g., by the action of inserting a sensor into the port of the meter.
- These and various other features which characterize the invention are pointed out with particularity in the attached claims. For a better understanding of the sensors of the invention, their advantages, their use and objectives obtained by their use, reference should be made to the drawings and to the accompanying description, in which there is illustrated and described preferred embodiments of the invention.
- Referring now to the drawings, wherein like reference numerals and letters indicate corresponding structure throughout the several views:
-
FIG. 1A shows a side view of an exemplary embodiment of a port cover in a closed position covering a sensor port of a meter; -
FIG. 1B shows a side view of the port cover ofFIG. 1A in a closed position with a sensor positioned to be received in the port; and -
FIG. 1C shows the cover ofFIGS. 1A and 1B in the open or testing position providing sensor access to the port. - As summarized above, methods for protecting a sensor opening or port of an analyte monitoring device are provided. The methods are particularly useful in providing openable doors to the interiors of meters to protect the interiors from contaminants that may enter the meters through the sensor ports. Accordingly, the meter doors are configured to substantially seal a sensor opening of a meter so that contaminants are excluded from the port. In certain embodiments, the port may be included in, e.g., integrated, with a continuous analyte monitoring system.
- The covers may be adapted to be used with any medical device having an opening and are particularly useful as adapted to be used with an analyte monitoring medical device having an opening for receiving a sensor (also commonly referred to as a test strip), such as an in vitro analyte monitoring meter or in vivo analyte monitoring system, e.g., those provided by Abbott Diabetes Care Inc. of Alameda, Calif. Meters may be electrochemical or optical meters, and may be configured to determine the level of one or more analytes, where analytes include, but are not limited to, glucose, lactate, acetyl choline, amylase, bilirubin, cholesterol, chorionic gonadotropin, creatine kinase (e.g., CK-MB), creatine, DNA, fructosamine, glucose, glutamine, growth hormones, hormones, ketones, lactate, peroxide, prostate-specific antigen, prothrombin, RNA, thyroid stimulating hormone, and troponin, in sample of body fluid. Meters may also be configured to determine the concentration of drugs, such as, for example, antibiotics (e.g., gentamicin, vancomycin, and the like), digitoxin, digoxin, drugs of abuse, theophylline, and warfarin, may also be determined and the like, in a sample of body fluid. In certain embodiments, the covers are shaped and sized to cooperate with a FreeStyle® blood glucose monitoring meter or a Precision® brand blood monitoring meter capable of monitoring glucose and ketones. In certain embodiments, the covers may be configured to close a port of a continuous analyte monitoring system. For example, a continuous glucose monitoring system may include a component that receives analyte data from a transcutaneously inserted glucose sensor (a “receiver”), and which component may be configured to communicate analyte results to the user, e.g., audibly by way of a display, or visually. The continuous monitoring system receiver may include a conventional blood glucose meter and therefore a port for accepting a glucose test strip. The conventional meter and test strip may be used to calibrate the continuous system (see for example U.S. Pat. No. 6,175,752). It is to be understood that description of covers for opening of meters includes stand-alone meters, as well those operably connected to, e.g., integrated with, continuous analyte monitoring systems. Exemplary sensors and meters and continuous analyte monitoring systems (sometimes referred to a in vivo system) that may be employed include sensors and meters such as those described, e.g., in U.S. Pat. Nos. 6,071,391; 6,120,676; 6,143,164; 6,299,757; 6,338,790; 6,377,894; 6,600,997; 6,773,671; 6,514,460; 6,592,745; 5,628,890; 5,820,551; 6,736,957; 4,545,382; 4,711,245; 5,509,410; 6,540,891; 6,730,200; 6,764,581; 6,299,757; 6,338,790; 6,461,496; 6,503,381; 6,591,125; 6,616,819; 6,618,934; 6,676,816; 6,749,740; 6,893,545; 6,942,518; 6,175,752; and 6,514,718, and elsewhere.
- The covers may be fixedly attached/attachable to a meter, or may be wholly removable from a meter. For example, a cover may be configured to be attachable to a meter over the port, but yet easily removable by a user when access to the sensor port is desired. In such cases, a cover may be removably attached about a sensor port of a meter in any suitable manner, e.g., snap fit, friction fit, hook and loop engagement (e.g., Velcro), or other chemical or physical bonding method. Alternatives include adhesive bonding, solvent welding, molded-in snap fit joints and the use of fasteners such as screws. For example, certain embodiments snap fit a soft material cover to hard plastic features (holes or slots) or injection mold into it.
- In certain embodiments, a portion of a cover is attached to the meter, allowing an unattached portion to move away from the meter to expose the port. For example, a cover may be fixedly secured at its first end to a meter, and may cooperate with the meter at a second end to close the port about which the cover is positioned, yet permit movement of the cover in a direction to open the port, e.g., generally downward, upward, sideways, depending on its relation to the housing to provide access to the interior of the meter. A cover may be fixed at a portion thereof to the meter to enable rotation of the cover relative to the meter about a pivot point, e.g., about at least one hinge or spring biased hinge mechanism, but to substantially prevent movement of the cover relative to the meter other than rotation about the at least one pivot point. For example, in certain embodiments the cover is attached to the meter, e.g., at the bottom of the meter, and may be opened like a flap to expose the sensor port.
- The cover may be biased in a first or closed position to cover a sensor port. In certain embodiments, a spring may bias the closeable cover in a predetermined position, to for example the closed position shown in
FIG. 1A . The biasing force, e.g., provided by a spring, causes the cover to swing back to its initial starting position when the force causing the initial displacement is removed, e.g., a sensor is removed from the port. By way of example, a user may open a cover by pushing or pulling on the cover, thereby causing displacement from its original position. Alternatively, insertion of a sensor into if the port may provide a force sufficient to open the cover, e.g., in a single action. A sensor received in the port may maintain the cover in an open position or the cover may lock in an open position. Once the displacement force is removed, e.g., a sensor is removed from the port such as after analyte testing, the cover is urged back to its starting position to close the port. - In certain embodiments, a cover may also be configured to guide a sensor into the port. For example, a cover may include guides, rails, channels, indentions, recessed structures, elevated structures, channels, orifices, clamps, and the like, e.g., on a sensor contacting surface thereof. A cover may have two spaced apart guides extending from the cover. With this configuration, a sensor may be slid into a tested position along the guides—the action thereof causing displacement of the cover in certain embodiments.
- The guides may be dimensioned such that a sensor is snugly fit in the guides when it is mounted between the guides. During positioning of the sensor, portions of the sensor may be gripped (such as with a user's fingers) and the gripped portions used to then slide the sensor into the mounted position between the guides.
- In certain embodiments, the covers may include a protrusion configured to at least partially enter and reside in the sensor port when in the closed position. This feature further ensures that contaminants will be kept out of the interior of the meter.
- The covers may be made of any suitable material. In certain embodiments, the material is substantially flexible, but robust enough to withstand the constant movement of the covers from the closed to open positions. Elastomeric materials may be used, e.g., rubber or other compliant material. The covers may be treated or covered with a beneficial agent, e.g., antibacterial agent or the like.
- The covers may be attached to the meter during manufacture, e.g., in those embodiments in which a cover is fixedly attached to a meter at least at one portion of the cover. Alternatively, a cover may be provided to users detached from a meter, but easily attachable by a user. In such instances, covers may be re-usable.
- Referring now to the Figures,
FIG. 1A shows ananalyte meter 10 having asensor port 12.Meter 10 includeshousing 12 defining an interior space and having asensor port 14 that is closed bysensor port cover 20. In this particular embodiment, cover 20 has a substantially C-shaped body, such that the “C” is adapted to cooperate with a portion of the meter and in particular a portion of the sensor port.Cover protrusion 26 intrudes intoport 14. In this embodiment, the “C” is configured to cooperate and fit with the “bottom” of the port in a mating relationship. It will be appreciated that throughout the present application, words such as “top”, “bottom”, “upper”, and “lower”, and the like, are used in a relative sense only. -
FIG. 1B shows ananalyte sensor 30, e.g., a glucose sensor, being positioned againstcover 20 for insertion intoport 14. The sensor is shown as having a generally rectangular shape, but it is to be appreciated that any shaped sensor may be used. As best seen inFIG. 1B , the bottom of the “C” orfirst cover end 22 is pivotally attached to the meter and the top of the “C” orsecond cover end 24 is not fixedly attached to the meter so that it may pivot downward as shown inFIGS. 1B and 1C .Sensor 30 is guided down a shoulder of the cover to operatively position the sensor in the sensor port. In this embodiment, the action of insertingsensor 30 intoport 14 opens cover 20 to permit access to the port. This single action sensor insertion/cover opening minimizes the steps required to open the port and insert the sensor into the meter.FIG. 1C shows the cover in a fully displaced position andsensor 30 operatively positioned inport 14 for testing. Once the sensor is removed, the cover may spring back to its closed position or may be manually pushed back into position depending on the particular embodiment. When a sensor is inserted into the port, a part of the cover may contact at least a bottom (cover contacting side) and/or the sides of the sensor, to prevent sample from moving into the port along the sensor bottom side and/or one or more sensor sides. Pressure may be applied to a surface of the sensor from the cover when it is in the open position to provide a tighter cover/sensor interface. - A sample of biological fluid is provided to the sensor for analyte testing, where the level of analyte is determined. In many embodiments, it is the level of glucose in blood, interstitial fluid, and the like, that is determined. Also in many embodiments, the source of the biological fluid is a drop of blood drawn from a patient, e.g., after piercing the patient's skin with a lancing device or the like.
- Embodiments of the subject methods may include contacting the sensor, either before or after opening the door to the sensor port, and transferring a volume of fluid from a skin incision to the sensor.
- In any event, before, during or after sample is contacted with the sample chamber, the sensor is coupled to a meter and the concentration of an analyte in the sample, e.g., glucose, is determined.
- The invention has been described with reference to various specific and preferred embodiments and techniques. However, it will be apparent to one of ordinarily skill in the art that many variations and modifications may be made while remaining within the spirit and scope of the invention.
- All patents and other references in this specification are indicative of the level of ordinary skill in the art to which this invention pertains. All patents and patent applications are herein incorporated by reference to the same extent as if each individual patent was specifically and individually incorporated by reference.
Claims (25)
1-18. (canceled)
19. A medical device comprising:
an analyte meter comprising a sensor port area that provides communication from the exterior of the meter to the interior of the meter; and
a component comprising an elastomeric material and mated with the sensor port area to protect the meter from contaminants that may enter the meter at the sensor port area.
20. The medical device of claim 19 , wherein the elastomeric material comprises rubber.
21. The medical device of claim 19 , wherein the component comprises a compliant material.
22. The medical device of claim 19 , wherein the component is mated to the meter at a pivot point.
23. The medical device of claim 19 , wherein the component is mated to the meter during manufacture.
24. The medical device of claim 23 , wherein the component is fixedly mated to the meter.
25. The medical device of claim 23 , wherein the component is removably mated to the meter.
26. The medical device of claim 23 , wherein the component is adhesively mated to the meter.
27. The medical device of claim 19 , wherein the medical device and component provide a mateable configuration that permits a sensor to be received by the sensor port of the medical device when the component is mated to the meter.
28. The medical device of claim 19 , wherein the component is a cover that comprises a first part mateable to the meter and a second part that is detachable from the meter.
29. The medical device of claim 19 , wherein the analyte meter is a glucose meter.
30. The medical device of claim 19 , wherein the analyte meter is a ketone meter.
31. The medical device of claim 19 , wherein the medical device comprises a continuous analyte monitoring system.
32. The medical device of claim 31 , wherein the meter is integrated with a continuous analyte monitoring system.
33. The medical device of claim 32 , wherein continuous analyte monitoring system comprises a receiver and the meter is integrated with the receiver.
34. A method of manufacturing an analyte meter, the method comprising:
manufacturing an analyte meter; and
fixedly securing a component comprising an elastomeric material about a sensor port area of the analyte meter during the manufacture.
35. The method of claim 34 , wherein the securing comprises snap fitting the component together with the meter.
36. The method of claim 34 , wherein the securing comprises friction fitting the component together with the meter.
37. The method of claim 34 , wherein the securing comprises adhesively securing the component to the meter.
38. The method of claim 34 , wherein the component is fixedly secured to the meter at a pivot point.
39. The method of claim 34 , wherein the manufacturing comprises integrating the meter with a continuous analyte monitoring system.
40. The method of claim 34 , wherein the meter is integrated with a receiver of a continuous analyte monitoring system.
41. The method of claim 34 , wherein the securing comprises attaching the component to the meter at a pivot point.
42. A medical device comprising:
an analyte meter comprising a sensor port area that provides communication from the exterior of the meter to the interior of the meter; and
a component adhesively bonded to the sensor port area to protect the meter from contaminants that may enter the meter at the sensor port area.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/495,679 US20090270706A1 (en) | 2006-10-31 | 2009-06-30 | Analyte monitoring |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/555,146 US7740580B2 (en) | 2006-10-31 | 2006-10-31 | Analyte monitoring |
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US11/555,146 Continuation US7740580B2 (en) | 2006-10-31 | 2006-10-31 | Analyte monitoring |
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US20090270706A1 true US20090270706A1 (en) | 2009-10-29 |
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US11/555,146 Active 2027-09-30 US7740580B2 (en) | 2006-10-31 | 2006-10-31 | Analyte monitoring |
US12/495,679 Abandoned US20090270706A1 (en) | 2006-10-31 | 2009-06-30 | Analyte monitoring |
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US11/555,146 Active 2027-09-30 US7740580B2 (en) | 2006-10-31 | 2006-10-31 | Analyte monitoring |
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WO (1) | WO2008055199A1 (en) |
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US7896703B2 (en) * | 2008-07-17 | 2011-03-01 | Abbott Diabetes Care Inc. | Strip connectors for measurement devices |
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US20110040208A1 (en) * | 2009-08-11 | 2011-02-17 | Abbott Diabetes Care Inc. | Integrated lancet and test strip and methods of making and using same |
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CN103149349B (en) | 2013-03-07 | 2014-04-09 | 深圳市理邦精密仪器股份有限公司 | Automatic medical tested object pop-up structure and blood-gas analyzer employing same |
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Also Published As
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US20080119709A1 (en) | 2008-05-22 |
US7740580B2 (en) | 2010-06-22 |
WO2008055199A1 (en) | 2008-05-08 |
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Owner name: ABBOTT DIABETES CARE INC., CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WANG, YI;SCOTT, STEVE;REEL/FRAME:023028/0621 Effective date: 20061221 |
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STCB | Information on status: application discontinuation |
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