Dialysis system including disposable cassette
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-037/00
A61M-001/16
A61M-001/34
A61M-001/36
A61M-001/28
출원번호
US-0511908
(2014-10-10)
등록번호
US-9168333
(2015-10-27)
발명자
/ 주소
Kelly, Thomas
Childers, Robert W.
Busby, Don
Roger, Rodolfo
El Sayyid, Waleed Mutasem
Din, Shahid
출원인 / 주소
Baxter International Inc.
대리인 / 주소
K&L Gates LLP
인용정보
피인용 횟수 :
2인용 특허 :
161
초록▼
A dialysis system includes a dialysis machine having a pump actuator, a valve actuator and a sorbent device, and a disposable cassette including (i) a housing having a dialyzer inlet port, a dialyzer outlet port, a pump portion configured to operate with the pump actuator, a valve portion configured
A dialysis system includes a dialysis machine having a pump actuator, a valve actuator and a sorbent device, and a disposable cassette including (i) a housing having a dialyzer inlet port, a dialyzer outlet port, a pump portion configured to operate with the pump actuator, a valve portion configured to operate with the valve actuator, a venous port, and an arterial port, (ii) at least one dialyzer in fluid communication with the housing, the at least one dialyzer including a dialysate inlet, and a dialysate outlet; (iii) an arterial line for connecting to a patient, the arterial line connected to and extending externally from the arterial port of the housing; (iv) a venous line for connecting to a patient, the venous line connected to and extending externally from the venous port of the housing; and (v) first and second dialysate fluid connections in fluid communication with the sorbent device.
대표청구항▼
1. A dialysis system comprising: a dialysis machine including a blood pump actuator,a dialysate pump actuator,a blood valve actuator,a dialysate valve actuator, anda pressure sensor;a sorbent device;a disposable cassette including a dedicated dialyzer inlet port,a dedicated dialyzer outlet port,a bl
1. A dialysis system comprising: a dialysis machine including a blood pump actuator,a dialysate pump actuator,a blood valve actuator,a dialysate valve actuator, anda pressure sensor;a sorbent device;a disposable cassette including a dedicated dialyzer inlet port,a dedicated dialyzer outlet port,a blood pump portion operable with the blood pump actuator,a dialysate pump portion operable with the dialysate pump actuator,a blood valve portion operable with the blood valve actuator,a dialysate valve portion operable with the dialysate valve actuator,a pressure sensor portion operable with the pressure sensor, anda recirculation line in fluid communication with the sorbent device;a dialyzer including a dialysate inlet, anda dialysate outlet;a first dialysate fluid connection extending from the dedicated dialyzer inlet port of the disposable cassette to the dialysate inlet of the dialyzer; anda second dialysate fluid connection extending from the dedicated dialyzer outlet port of the disposable cassette to the dialysate outlet of the dialyzer. 2. The dialysis system of claim 1, wherein the dialysis machine includes a blood leak detector, and wherein the disposable cassette includes a blood leak detector portion operable with the blood leak detector. 3. The dialysis system of claim 1, wherein the dialysis machine includes a conductivity sensor, and wherein the disposable cassette includes a conductivity sensor portion operable with the conductivity sensor. 4. The dialysis system of claim 1, which includes a branch line in fluid communication with the recirculation line and the second dialysate fluid connection. 5. The dialysis system of claim 1, wherein at least one of the blood pump actuator or the dialysate pump actuator includes a peristaltic pump actuator, and at least one of the blood pump portion or the dialysate pump portion of the disposable cassette includes a peristaltic pumping tube. 6. The dialysis system of claim 1, which includes an infusate source in fluid communication with the sorbent device, the infusate source located downstream of the sorbent device. 7. The dialysis system of claim 1, wherein at least one of (i) the blood valve actuator is mechanically actuated, and (ii) the dialysate valve actuator is mechanically actuated. 8. The dialysis system of claim 1, wherein at least one of (i) the blood pump actuator is pneumatically actuated, or (ii) the dialysate pump actuator is pneumatically actuated. 9. A dialysis system comprising: a dialysis machine including a pump actuator, a valve actuator and a sorbent device; anda disposable cassette operable with the dialysis machine, the disposable cassette including (i) a housing including a dialyzer inlet port,a dialyzer outlet port,a pump portion configured to operate with the pump actuator,a valve portion configured to operate with the valve actuator,a venous port, andan arterial port,(ii) at least one dialyzer in fluid communication with the housing, the at least one dialyzer including a dialysate inlet, anda dialysate outlet;(iii) an arterial line for connecting to a patient, the arterial line connected to and extending externally from the arterial port of the housing;(iv) a venous line for connecting to the patient, the venous line connected to and extending externally from the venous port of the housing;(v) a first dialysate fluid connection connected to and extending from the dialyzer inlet port of the disposable cassette to the dialysate inlet of the at least one dialyzer, the first dialysate fluid connection in fluid communication with the sorbent device; and(vi) a second dialysate fluid connection connected to and extending from the dialyzer outlet port of the disposable cassette to the dialysate outlet of the at least one dialyzer, the second dialysate fluid connection in fluid communication with the sorbent device. 10. The dialysis system of claim 9, which includes at least one blood connection extending externally from the disposable cassette housing to the at least one dialyzer. 11. The dialysis system of claim 9, which includes an infusate located downstream of the sorbent device. 12. The dialysis system of claim 9, which includes (i) a dialysate fill line extending from a source of dialysate to the housing of the disposable cassette, and (ii) a drain line extending from the housing of the disposable cassette. 13. The dialysis system of claim 12, wherein the source of dialysate includes a container for holding dialysate made from water and concentrate. 14. The dialysis system of claim 9, which includes at least one of (i) the dialysis machine including a pressure sensor and the housing of the disposable cassette including a pressure sensor portion operable with the pressure sensor, (ii) the dialysis machine including a blood leak detector and the housing of the disposable cassette including a blood leak detector portion operable with the blood leak detector, (iii) the dialysis machine including a conductivity sensor and the housing of the disposable cassette including a conductivity sensor portion operable with the conductivity sensor. 15. The dialysis system 9, which includes a branch line in fluid communication with the second dialysate fluid connection and the sorbent device. 16. The dialysis system of claim 9, wherein the housing of the disposable cassette further includes an air collection chamber. 17. A dialysis system comprising: a dialysis machine including at least one pump actuator, at least one valve actuator, at least one sensor and a sorbent device; anda disposable pumping cassette operable with the dialysis machine, the disposable pumping cassette including at least one senor portion operable with the at least one sensor,at least one pumping portion operable with the at least one pump actuator, at least one valve portion operable with the at least one valve actuator,a first fluid connection in communication with a dialysate inlet of a dialyzer; anda second dialysate fluid connection in communication with a dialysate outlet of the dialyzer; anda recirculation line in fluid communication with the second dialysate fluid connection and the sorbent device. 18. The dialysis system of claim 17, wherein the recirculation line branches off of the second dialysate fluid connection. 19. The dialysis system of claim 17, wherein the at least one sensor of the dialysis machine includes at least one of a pressure sensor, a blood leak detector or a conductivity sensor. 20. The dialysis system of claim 17, which includes an air detector located in a blood line.
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이 특허에 인용된 특허 (161)
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