Blood glucose monitoring system, strip accommodation device, strip storage device, and automated blood collection device

• US 9,011,793 B2
• Filed: 08/25/2011
• Issued: 04/21/2015
• Est. Priority Date: 02/16/2010
• Status: Active Grant

• Current Assignee: In Sang Choi
• Original Assignee: In Sang Choi
• Inventors: Choi, In Sang
• Primary Examiner(s): Warden, Jill
• Assistant Examiner(s): TAVARES, JULIE L
• Application Number:
  US13/217,829
• Publication Number:
  US 20110313267A1
• Time in Patent Office: 1,335 Days
• Field of Search: None
• US Class Current: 422/404
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/150358 Strips for collecting blood, e.g. absorbent optical reagent test strips G01N21/8483; chemical reagent test strips G01N33/4875, G01N33/52
• CPC Class Codes: A61B 5/151 Devices specially adapted for taking samples of capillary blood, e.g. by lancets , needles or blades
• CPC Class Codes: A61B 5/155 Devices specially adapted for continuous or multiple sampling, e.g. at predetermined intervals devices loaded with multiple lancets simultaneously A61B5/15146
• CPC Class Codes: A61B 5/157 Devices characterised by integrated means for measuring characteristics of blood

Abstract

The present invention relates to a blood glucose monitoring system, a strip accommodation device, a strip storage device, and an automated blood collection device, wherein the blood glucose monitoring system has the strip accommodation device formed integrally therewith, the strip accommodation device being configured to convert a rotary motion of a cover of an operating member into an upward linear motion and to eject one of a plurality of strips through an ejection hole, thereby easily storing the strips therein, preventing the contamination of the strips from the foreign matters like outside moisture, and accurately and easily measuring the concentration of the glucose in the blood.

Claims

1. A blood glucose monitoring system comprising:

an automated blood collection device;

a strip accommodation device formed integrally with a blood glucose measurement device so as to convert a rotary motion of an operating member into an upward linear motion of a carriage and to automatically eject one of a plurality of strips through an ejection hole formed thereon; and

the blood glucose measurement device adapted to measure the concentration of glucose in the collected blood by means of the strip ejected from the strip accommodation device,

wherein the strip accommodation device comprises a housing adapted to contain the plurality of strips arranged serially to collect blood thereon, the operating member disposed on an outer surface of the housing in such a manner as to be opened at one side thereof to insert the housing into the inside thereof and adapted to be rotated by a given angle around a rotary shaft disposed on the outer surface of the housing, and a first conveying member disposed on a given position in the housing and adapted to convert the rotary motion of the operating member into the upward linear motion of the carriage so as to eject the strip through the ejection hold to the outside;

the strip accommodation device further comprises a second conveying member disposed on a given position in the housing in such a manner as to have one side opposite to the ejection hole formed on the housing so as to convey the strip not used yet to the ejection hole area;

the operating member has a cover formed integrally therewith so as to seal the ejection hole when rotated in the opposite direction to the ejection direction of the strip after the used strip has been removed; and

the first conveying member comprises;

a lever rotated by the rotation of the operating member and having a protrusion formed at the opposite position to the rotary shaft of the operating member, wherein the carriage is adapted to be conveyed upwardly by the movement of the protrusion of the lever along a guide groove through the rotation of the lever and having a projection adapted to forcedly eject the strip positioned at the ejection hole area.

2. The blood glucose monitoring system according to claim 1, wherein the first conveying member further comprises:

a gear module adapted to convert the rotary motion of the operating member into the upward linear motion, wherein the carriage is adapted to be moved upwardly by the gear module so as to eject the strip through the ejection hole.

3. The blood glucose monitoring system according to claim 1, wherein the second conveying member comprises:

a guide adapted to convey the strip not used yet to empty space after the strip has been ejected through the ejection hole; and

an elastic module adapted to supply a given elastic force to the guide so as to allow the strip not used yet to be conveyed to the ejection hole area.

4. The blood glucose monitoring system according to claim 3, wherein the housing further comprises a moisture remover disposed at a given position therein so as to remove moisture therefrom.

5. The blood glucose monitoring system according to claim 4, wherein the cover of the operating member has a locking projection formed at the inside thereof so as to lock the cover to the housing, and the housing has a locking groove formed to insert the locking projection of the cover thereinto.

6. The blood glucose monitoring system according to claim 5, wherein the housing has a slot formed at a given position thereof so as to allow the blood glucose monitoring system to be carried along the measurer.

7. A blood glucose monitoring system comprising:

an automated blood collection device;

a strip accommodation device formed integrally with a blood glucose measurement device so as to convert a rotary motion of an operating member into an upward linear motion of a carriage and to automatically eject one of a plurality of strips through an ejection hole formed thereon; and

the blood glucose measurement device adapted to measure the concentration of glucose in the collected blood by means of the strip ejected from the strip accommodation device,

wherein the automated blood collection device comprises;

a blood collection needle insertion member having an insertion groove having an opened semicircular portion and adapted to insert a blood collection needle thereinto;

a rotary member adapted to be rotated by receiving a rotary force from a motor;

a blood collection needle guide member adapted to convert a rotary motion of the rotary member into upward and downward motions around a fixing shaft and to thus convert the converted upward and downward motions into left and right motions so as to guide the blood collection needle to the insertion groove;

a blood collection needle fixation member adapted to convert the rotary force of the rotary member into upward and downward motions so as to convey the blood collection needle downwardly and fix the blood collection needle thereto and to convey the blood collection needle upwardly after blood collection has been finished; and

a blood collection needle ejection member adapted to be rotated by a given angle around the fixing shaft by receiving the rotary motion of the rotary member so as to allow the blood collection needle used for the blood collection to be escaped from the insertion groove.

8. The blood glucose monitoring system according to claim 7, wherein the automated blood collection device further comprises a fixing cam adapted to be moved along a groove formed on the underside cross section of the rotary member so as to fix the fixing shaft to the rotary member.

9. The blood glucose monitoring system according to claim 8, wherein the blood collection needle guide member comprises:

a guide cam adapted to be moved along a groove formed along the lower outer periphery of a rotary shaft of the rotary member at a first side of the guide cam in such a manner as to perform upward and downward motions of the guide cam around the fixing shaft;

a guide transmitter disposed on a second side of the guide cam so as to transmit the upward and downward motions of the guide cam; and

a guide lever adapted to convert the upward and downward motions of the guide cam received from the guide transmitter into left and right motions around a transmitting rotary shaft thereof so as to guide the blood collection needle to the insertion groove.

10. The blood glucose monitoring system according to claim 9, wherein the blood collection needle comprises:

a conveying shaft having one side inserted into a groove formed on the blood collection needle ejection member and the other side conveyed downwardly to fix the blood collection needle by the blood collection needle fixation member; and

a locking groove fixedly formed at a given position of the conveying shaft in such a manner as to be lockedly coupled to the blood collection needle fixation member.

11. The blood glucose monitoring system according to claim 10, wherein the blood collection needle fixation member is disposed at the inside of the insertion groove in such a manner as to perform a linear motion with respect to the blood collection needle insertion member.

12. The blood glucose monitoring system according to claim 11, wherein the blood collection needle fixation member comprises:

a conveying cam adapted to be moved along a groove formed along the upper outer periphery of the rotary shaft of the rotary member and to be linearly moved with respect to the rotating direction of the rotary member;

a power transmitter adapted to transmit the linear motion of the conveying cam to the locking groove of the blood collection needle; and

a fixing part adapted to fix the blood collection needle conveyed downwardly by the power transmitter thereto.

13. The blood glucose monitoring system according to claim 12, wherein the power transmitter is adapted to transmit the linear motion of the fixing cam to the blood collection needle so as to convey the blood collection needle upwardly after the blood collection operation has been finished.

14. The blood glucose monitoring system according to claim 13, wherein the blood collection needle ejection member is configured to be opened by moving by a given angle along a groove formed on the top cross surface of the rotary shaft of the rotary member around the fixing shaft, and comprises:

a protrusion adapted to be inserted into the groove formed on the top cross surface of the rotary shaft of the rotary member so as to transmit the rotary force of the rotary member;

an ejection cam adapted to be rotated by a given angle by of the rotary force of the rotary member transmitted from the protrusion; and

an ejection cap disposed on the output side of the ejection cam and having a groove into which the blood collection needle is inserted formed at the inside thereof so as to escape the blood collection needle from the insertion groove by the rotary force of the ejection cam.

15. The blood glucose monitoring system according to claim 14, wherein the automated blood collection device further comprises a stopper fixedly mounted along the fixing shaft so as to restrict a moving distance of the fixing part when the blood collection needle is fixed.

16. The blood glucose monitoring system according to claim 15, wherein the fixing cam, the guide cam, the ejection cam and the conveying cam of the automated blood collection device have the form of a cam gear.

17. The blood glucose monitoring system according to claim 16, wherein the fixing cam, the guide cam, the ejection cam and the conveying cam of the automated blood collection device have the form of a cam plate.

18. An automated blood collection device comprising:

a blood collection needle insertion member having an insertion groove having an opened semicircular portion and adapted to insert a blood collection needle thereinto;

a rotary member adapted to be rotated by receiving a rotary force from a motor;

a blood collection needle guide member adapted to convert a rotary motion of the rotary member into upward and downward motions around a fixing shaft and to thus convert the converted upward and downward motions into left and right motions so as to guide the blood collection needle to the insertion groove;

a blood collection needle fixation member adapted to convert the rotary force of the rotary member into upward and downward motions so as to convey the blood collection needle downwardly and fix the blood collection needle thereto and to convey the blood collection needle upwardly after blood collection has been finished; and

a blood collection needle ejection member adapted to be rotated by a given angle around the fixing shaft by receiving the rotary motion of the rotary member so as to allow the blood collection needle used for the blood collection to be escaped from the insertion groove.

19. The automated blood collection device according to claim 18, further comprising a fixing cam adapted to be moved along a groove formed on the underside cross section of the rotary member so as to fix the fixing shaft to the rotary member.

20. The automated blood collection device according to claim 19, wherein the blood collection needle guide member comprises:

a guide cam adapted to be moved along a groove formed along the lower outer periphery of a rotary shaft of the rotary member at a first side of the guide cam in such a manner as to perform upward and downward motions of the guide cam around the fixing shaft;

a guide transmitter disposed on a second side of the guide cam so as to transmit the upward and downward motions of the guide cam; and

a guide lever adapted to convert the upward and downward motions of the guide cam received from the guide transmitter into left and right motions around a transmitting rotary shaft thereof so as to guide the blood collection needle to the insertion groove.

21. The automated blood collection device according to claim 20, wherein the blood collection needle comprises:

a conveying shaft having one side inserted into a groove formed on the blood collection needle ejection member and the other side conveyed downwardly to fix the blood collection needle by the blood collection needle fixation member; and

a locking groove fixedly formed at a given position of the conveying shaft in such a manner as to be lockedly coupled to the blood collection needle fixation member.

22. The automated blood collection device according to claim 21, wherein the blood collection needle fixation member is disposed at the inside of the insertion groove in such a manner as to perform a linear motion with respect to the blood collection needle insertion member.

23. The automated blood collection device according to claim 22, wherein the blood collection needle fixation member comprises:

a conveying cam adapted to be moved along a groove formed along the upper outer periphery of the rotary shaft of the rotary member and to be linearly moved with respect to the rotating direction of the rotary member;

a power transmitter adapted to transmit the linear motion of the conveying cam to the locking groove of the blood collection needle; and

a fixing part adapted to fix the blood collection needle conveyed downwardly by the power transmitter thereto.

24. The automated blood collection device according to claim 23, wherein the power transmitter is adapted to transmit the linear motion of the fixing cam to the blood collection needle so as to convey the blood collection needle upwardly after the blood collection operation has been finished.

25. The automated blood collection device according to claim 24, wherein the blood collection needle ejection member is configured to be opened by moving by a given angle along a groove formed on the top cross surface of the rotary shaft of the rotary member around the fixing shaft, and comprises:

a protrusion adapted to be inserted into the groove formed on the top cross surface of the rotary shaft of the rotary member so as to transmit the rotary force of the rotary member;

an ejection cam adapted to be rotated by a given angle by the rotary force of the rotary member transmitted from the protrusion; and

an ejection cap disposed on the output side of the ejection cam and having a groove into which the blood collection needle is inserted formed at the inside thereof so as to escape the blood collection needle from the insertion groove by the rotary force of the ejection cam.

26. The automated blood collection device according to claim 25, wherein the ejection cap is adapted to receive the rotary force of the ejection cam thereto and to escape the blood collection needle from the insertion groove so as to eject the blood collection needle used for the blood collection to the outside.

27. The automated blood collection device according to claim 26, further comprising a stopper fixedly mounted along the fixing shaft so as to restrict a moving distance of the fixing part when the blood collection needle is fixed.

28. The automated blood collection device according to claim 27, wherein the fixing cam, the guide cam, the ejection cam and the conveying cam of the automated blood collection device have the form of a cam gear.

29. The automated blood collection device according to claim 28, wherein the fixing cam, the guide cam, the ejection cam and the conveying cam of the automated blood collection device have the form of a cam plate.