IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0415279
(2001-10-19)
|
등록번호 |
US-7347200
(2008-03-25)
|
우선권정보 |
GB-0026646.0(2000-10-31) |
국제출원번호 |
PCT/EP01/012108
(2001-10-19)
|
§371/§102 date |
20040301
(20040301)
|
국제공개번호 |
WO02/036190
(2002-05-10)
|
발명자
/ 주소 |
- Jones,Anthony Patrick
- Horton,Andrew Paul
- Hartley,Richard William
|
출원인 / 주소 |
- Smithkline Beecham Corporation
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
41 인용 특허 :
11 |
초록
▼
A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter comprises a first sensor for directly detecting a medicament release dispensible from
A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter comprises a first sensor for directly detecting a medicament release dispensible from said medicament container through said outlet is disclosed.
대표청구항
▼
The invention claim is: 1. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detect
The invention claim is: 1. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the detector detects an increase in radiation compared to the amount of radiation emitted by the emitter wherein the increase in detected radiation is due to interference of radiation reaching the detector by the medicament release. 2. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the detector detects an increase in radiation compared to the amount of radiation emitted by the emitter, and wherein the increase in detected radiation is due to interference of radiation reaching the detector by the medicament release, and wherein the interference is due to absorption of radiation by the medicament release. 3. A medicament dispenser according claim 1, wherein the interference is due to scattering of radiation by the medicament release. 4. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the detector detects an increase in radiation compared to the amount of radiation emitted by the emitter, and wherein the increase in detected radiation is due to interference of radiation reaching the detector by the medicament release, and wherein the interference is due to reflection of radiation by the medicament release. 5. A medicament dispenser according claim 1, wherein the interference is due to refraction of radiation by the medicament release. 6. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the detector detects an increase in radiation compared to the amount of radiation emitted by the emitter, and wherein the increase in detected radiation is due to interference of radiation reaching the detector by the medicament release, and, wherein the interference is due to diffraction of radiation by the medicament release. 7. A metered dose inhaler for dispensing metered doses of medicament comprising: (i) a housing having an outlet; (ii) an aerosol container locatable within said housing, wherein the container; (a) contains a plurality of metered doses of medicament, and (b) has a dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet; characterized by the inhaler further comprising; (iii) an electronic dose counter associated with said outlet, which comprises; a sensor for directly detecting a metered dose dispensed from said container through said outlet, said sensor comprising an emitter to emit electromagnetic radiation and a detector to detect the electromagnetic radiation emitted by the emitter, the emitter being arranged to emit the electromagnetic radiation such that it is interfered with by a metered dose of the medicament being dispensd from the container through the outlet whereby the sensor is able to detect said dispensing of the metered medicament dose, and a visual display unit for displaying the number of metered doses of medicament used or remaining within the container in response to the sensor detecting dispensing of a metered medicament does, and wherein the amount of radiation reaching the detector is maintained at a constant level by using an electronic feedback circuit to alter the level of radiation emitted by the emitter. 8. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the first sensor further comprises a reflector to reflect radiation from the emitter to the detector. 9. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, and wherein the emitter emits radiation of more than one wavelength and the detector detects radiation of more than one wavelength, and wherein the first sensor quantifies the concentration of medicament with the medicament release by measuring radiation at more than one wavelength. 10. A metered dose inhaler for dispensing metered doses of medicament comprising: (i) a housing having an outlet; (ii) an aerosol container locatable within said housing, wherein the container; (a) contains a plurality of metered doses of medicament, and (b) has a dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet; characterized by the inhaler further comprising: (iii) an electronic dose counter associated with said outlet, which comprises: a sensor for directly detecting a metered dose dispensed from said container through said outlet, said sensor comprising an emitter to emit electromagnetic radiation and a detector to detect the electromagnetic radiation emitted by the emitter, the emitter being arranged to emit the electromagnetic radiation such that it is interfered with by a metered dose of the medicament being dispensd from the container through the outlet whereby the sensor is able to detect said dispensing of the metered medicament dose, and a visual display unit for displaying the number of metered doses of medicament used or remaining within the container in response to the sensor detecting dispensing of a metered medicament dose, wherein the metered dose inhaler additionally comprises a second sensor for detecting a medicament release and wherein the second sensor comprises an emitter and a detector. 11. A metered dose inhaler for dispensing metered doses of medicament comprising: (i) a housing having an outlet; (ii) an aerosol container locatable within said housing, wherein the container; (a) contains a plurality of metered doses of medicament, and (b) has a dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet; characterized by the inhaler further comprising: (iii) an electronic dose counter associated with said outlet, which comprises: a sensor for directly detecting a metered dose dispensed from said container through said outlet, said sensor comprising an emitter to emit electromagnetic radiation and a detector to detect the electromagnetic radiation emitted by the emitter, the emitter being arranged to emit the electromagnetic radiation such that it is interfered with by a metered dose of the medicament being dispensd from the container through the outlet whereby the sensor is able to detect said dispensing of the metered medicament dose, and a visual display unit for displaying the number of metered doses of medicament used or remaining within the container in response to the sensor detecting dispensing of a metered medicament dose, wherein the metered dose inhaler additionally comprises a second sensor for detecting a medicament release and wherein the medicament release passes the second sensor subsequent to passing the first sensor. 12. A metered dose inhaler according to claim 10, further comprising a third sensor. 13. A metered dose inhaler according to claim 12, wherein the third sensor is sensitive to parameter selected from the group consisting of electromagnetic radiation, magnetic field, light, motion, temperature, pressure, sound, oxygen concentration, carbon dioxide concentration and moisture. 14. A metered dose inhaler according to claim 12, wherein the third sensor responds to actuation of the inhaler. 15. A metered dose inhaler for dispensing metered doses of medicament comprising: (i) a housing having an outlet; (ii) an aerosol container locatable within said housing, wherein the container; (a) contains a plurality of metered doses of medicament, and (b) has a dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet; (iii) an electronic dose counter associated with said outlet, which comprises: a sensor for directly detecting a metered dose dispensed from said container through said outlet, said sensor comprising an emitter to emit electromagnetic radiation and a detector to detect the electromagnetic radiation emitted by the emitter, the emitter being arranged to emit the electromagnetic radiation such that it is interfered with by a metered dose of the medicament being dispensd from the container through the outlet whereby the sensor is able to detect said dispensing of the metered medicament dose, and a visual display unit for displaying the number of metered doses of medicament used or remaining within the container in response to the sensor detecting dispensing of a metered medicament does, and a second sensor for detecting a medicament release and wherein the first and/or second sensors are integral with the outlet. 16. A metered dose inhaler for dispensing metered doses of medicament comprising: (i) a housing having an outlet; (ii) an aerosol container locatable within said housing, wherein the container; (a) contains a plurality of metered doses of medicament, and (b) has a dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet; and (iii) an electronic dose counter associated with said outlet, which comprises: a sensor for directly detecting a metered dose dispensed from said container through said outlet, said sensor comprising an emitter to emit electromagnetic radiation and a detector to detect the electromagnetic radiation emitted by the emitter, the emitter being arranged to emit the electromagnetic radiation such that it is interfered with by a metered dose of the medicament being dispensd from the container through the outlet whereby the sensor is able to detect said dispensing of the metered medicament dose, a visual display unit for displaying the number of metered doses of medicament used or remaining within the container in response to the sensor detecting dispensing of a metered medicament does, and a second sensor for detecting a medicament release, wherein the first and/or second sensors are reversibly attachable to the outlet. 17. A metered dose inhaler according to claim 12, wherein the third sensor is integral with the housing. 18. A metered dose inhaler according to claim 12, wherein the third sensor is reversibly attachable to the housing. 19. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the dispenser further comprises one or more optical wave guides. 20. A medicament dispenser according to claim 19, wherein the one or more optical wave guides are located on the housing. 21. A medicament dispenser according to claim 19, wherein the optical wave guide is composed of an organic polymeric or inorganic glass fibre material. 22. A medicament dispenser according to claim 19, wherein the medicament dispenser comprises a first and a second optical wave guide per sensor. 23. A medicament dispenser according to claim 22, wherein the first optical wave guide channels radiation from the emitter to the outlet. 24. A medicament dispenser according to claim 22, wherein the second optical wave guide channels radiation from the outlet to the detector. 25. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the emitter and detector are located on the same side of the outlet wherein the radiation emitted from the emitter is reflected back to the detector by a reflective surface on the opposite side of the outlet to the emitter and detector. 26. A medicament dispenser according to claim 25, wherein the reflective surface is a surface of the outlet or is an additional component attached thereto. 27. A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet wherein said dose counter includes a first sensor comprising an emitter and a detector for detecting a medicament release dispensable from said medicament container through said outlet, characterized in that the detector detects electromagnetic radiation in the infra red range, wherein the first sensor is controlled by a digital or computational semi-conductor device. 28. A medicament dispenser according to claim 27, wherein the digital or computational semi-conductor device energizes the first sensor and associated electronic components to detect and respond to a medicament release every 10 to 100 ms. 29. A medicament dispenser according to claim 27, wherein the sensor and associated electronic components are energized for 5 to 30 μs. 30. A medicament dispenser according to claim 27, wherein the digital or computational semiconductor device returns the sensor to low power mode after energizing the sensor. 31. A metered dose inhaler for dispensing metered doses of medicament comprising: (i) a housing having an outlet; (ii) an aerosol container locatable within said housing, wherein the container; (a) contains a plurality of metered doses of medicament, and (b) has a dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet; characterized by the inhaler further comprising: (iii) an electronic dose counter associated with said outlet, which comprises: a sensor for directly detecting a metered dose dispensed from said container through said outlet, said sensor comprising an emitter to emit electromagnetic radiation and a detector to detect the electromagnetic radiation emitted by the emitter, the emitter being arranged to emit the electromagnetic radiation such that it is interfered with by a metered dose of the medicament being dispensd from the container through the outlet whereby the sensor is able to detect said dispensing of the metered medicament dose, and a visual display unit for displaying the number of metered doses of medicament used or remaining within the container in response to the sensor detecting dispensing of a metered medicament does wherein the inhaler is actuable by the application of non-mechanical energy to a coupling element and wherein the coupling element is one or more shape memory alloy wires. 32. A housing for receipt of a medicament container, the housing comprising: (i) an outlet for dispensing medicament therethrough; and (ii) a first and second strand of optical wave guide associated therewith, wherein said first and second strand of optical wave guide are associable with an electronic dose counter including a first sensor for detecting medicament release through said outlet.
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