Diagnostic devices incorporating fluidics and methods of manufacture
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-027/327
G01N-027/26
B01L-003/00
G01N-027/403
G01N-021/01
G01N-035/00
B01L-007/00
출원번호
US-0923845
(2013-06-21)
등록번호
US-9753003
(2017-09-05)
발명자
/ 주소
Lauks, Imants
Maczuszenko, Andrzej
출원인 / 주소
Epocal Inc.
대리인 / 주소
Borden Ladner Gervais LLP
인용정보
피인용 횟수 :
0인용 특허 :
83
초록▼
The present invention relates to diagnostic devices incorporating electrode modules and fluidics for performing chemical analyzes. The invented devices consist of at least one component sensor formed on an electrode module, the sensor being contained within a fluidic housing. The electrode module is
The present invention relates to diagnostic devices incorporating electrode modules and fluidics for performing chemical analyzes. The invented devices consist of at least one component sensor formed on an electrode module, the sensor being contained within a fluidic housing. The electrode module is a laminate of a perforated epoxy foil and a photo-formed metal foil with sensor membranes deposited into the perforations. The fluidic housing is a diagnostic card consisting of a plastic card-like body, the at least one component sensor, a sealed chamber defined in the card body for containing a fluid, a fluid conduit for fluidically connecting the chamber with the sensor region, a valve for fluidically connecting the chamber to the fluid conduit, and a delivery structure separate and distinct from the valve for forcing fluid from the chamber and into the fluid conduit.
대표청구항▼
1. A diagnostic card for use with a card reader in sensing at least one component concentration of a fluid sample, comprising: a card bodyat least one component sensor located in a sensor region of the card body;a sealed chamber defined in the card body outside the sensor region for containing a flu
1. A diagnostic card for use with a card reader in sensing at least one component concentration of a fluid sample, comprising: a card bodyat least one component sensor located in a sensor region of the card body;a sealed chamber defined in the card body outside the sensor region for containing a fluid, the chamber having a chamber wall sealing the chamber;a fluid conduit for fluidically connecting the chamber with the sensor region, when the chamber is opened;a valve for fluidically connecting the chamber to the fluid conduit, the valve having a structure for rupturing the chamber wall of the sealed chamber at the connection to the fluid conduit without pressurization of the chamber, thereby opening the chamber; anda delivery structure for forcing fluid from the chamber and into the fluid conduit, when the chamber contains fluid, the delivery structure being operable independently of the valve and being formed by a flexible portion of the chamber wall which flexible portion is deformable for reduction of the chamber by external application of a deforming force. 2. The diagnostic card of claim 1, wherein the chamber is formed of a laminate of two opposed, plastic coated metal foil laminations bonded about their perimeter by a first heat seal made by melt bonding the plastic coatings of the laminations. 3. The diagnostic card of claim 2, wherein the heat seal has a width of at least 3 mm. 4. The diagnostic card of claim 2, wherein the card body includes molded contours and one of the foil laminations is pressure-formed into the contours of the card body. 5. The diagnostic card of claim 2, wherein the card body includes molded contours and one of the foil laminations is pressure-formed into the contours of the card body. 6. The diagnostic card of claim 1, wherein the card body includes a valve seat and the valve includes a valve body displaceably received in the valve seat, the valve rupturing the portion of the chamber wall upon displacement of the valve body relative to the valve seat. 7. The diagnostic card of claim 1, wherein the chamber has a chamber volume and the flexible portion of the chamber wall is deformable for reduction of the chamber volume. 8. The diagnostic card of claim 1, wherein the chamber has a chamber volume and the flexible portion of the chamber wall is deformable for reduction of the chamber volume. 9. A diagnostic card for use with a card reader in sensing at least one component concentration of a fluid sample, comprising: a card bodyat least one component sensor located in a sensor region of the card body;a sealed chamber defined in the card body outside the sensor region for containing a fluid, the chamber having a chamber wall sealing the chamber and being formed of a laminate of two opposed, plastic coated metal foil laminations bonded about their perimeter by a first heat seal made by melt bonding the plastic coatings of the laminations;a fluid conduit for fluidically connecting the chamber with the sensor region, when the chamber is opened;a valve seat in the card body and a valve for fluidically connecting the chamber to the fluid conduit, the valve including a valve body displaceably received in the valve seat and sandwiched between the laminations within the chamber, the valve body rupturing one of the laminations upon displacement of the valve body relative to the valve seat for rupturing the chamber wall of the sealed chamber at the connection to the fluid conduit without pressurization of the chamber, thereby opening the chamber; anda delivery structure for forcing fluid from the chamber and into the fluid conduit, when the chamber contains fluid, the delivery structure being operable independently of the valve and being formed by a flexible portion of the chamber wall which flexible portion is deformable for reduction of the chamber by external application of a deforming force. 10. The diagnostic card of claim 9, wherein the valve body is a rupture plug and the valve seat is a plug receiving bore in the card body. 11. The diagnostic card of claim 10, wherein the plug and plug receiving bore include cooperating edges for rupturing the one of the laminations upon displacement of the plug in the plug receiving bore. 12. A diagnostic card for use with a card reader for sensing at least one component concentration of a fluid sample, comprising: a planar card body having a pair of opposite planar external surfaces;at least one sensor located in a sensor region of the card body;a sample entry port in one of the external surfaces of the card for receiving a conduit for sample fluid infection;a sample conduit within the card body for fluidically connecting the sample entry port to the sensor region; andan adhesive gasket on the one external surface and surrounding the sample entry port for forming a liquid seal about the conduit, when inserted into the sample entry port. 13. The diagnostic card of claim 12, further comprising a sealed chamber defined in the card body outside the sensor region for containing a fluid, the chamber having a chamber wall sealing the chamber; anda fluid conduit for fluidically connecting the chamber with the sensor region, when the chamber is opened;a valve for fluidically connecting the chamber to the fluid conduit, the valve having a structure for rupturing the chamber wall of the sealed chamber at the connection to the fluid conduit without pressurization of the chamber, thereby opening the chamber; anda delivery structure for forcing fluid from the chamber and into the fluid conduit, when the chamber contains fluid, the delivery structure being operable independently of the valve and being formed by a flexible portion of the chamber wall which flexible portion is deformable for reduction of the chamber by external application of a deforming force. 14. The diagnostic card of claim 13, wherein the chamber is formed of a laminate of two opposed, plastic coated metal foil laminations bonded about their perimeter by a first heat seal made by melt bonding the plastic coatings of the laminations. 15. The diagnostic card of claim 14, wherein the heat seal has a width of at least 3 mm. 16. The diagnostic card of claim 13, wherein the card body includes a valve seat and the valve includes a valve body displaceably received in the valve seat, the valve rupturing the portion of the chamber wall upon displacement of the valve body relative to the valve seat. 17. The diagnostic card of claim 13, wherein the card body includes a valve seat and the valve includes a valve body displaceably received in the valve seat, the valve body being sandwiched between the laminations within the chamber, the valve rupturing one of the laminations upon displacement of the valve body relative to the valve seat. 18. The diagnostic card of claim 17, wherein the valve body is a rupture plug and the valve seat is a plug receiving bore in the card body. 19. The diagnostic card of claim 18, wherein the plug and plug receiving bore include cooperating edges for rupturing the one of the laminations upon displacement of the plug in the plug receiving bore.
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