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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0221569 (1994-04-01) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 275 인용 특허 : 0 |
A medication infusion pump is provided of the type adapted for implantation into the body of a patient, and for programmable delivery of a selected medication through a catheter to the patient over an extended period of time. A side port assembly is mounted quickly and easily onto the pump and defin
A medication infusion pump is provided of the type adapted for implantation into the body of a patient, and for programmable delivery of a selected medication through a catheter to the patient over an extended period of time. A side port assembly is mounted quickly and easily onto the pump and defines a flow path through which the medication is discharged to the catheter. The side port assembly includes an access port to permit transcutaneous needle access to the discharge flow path, in combination with a check valve to prevent backflow within the discharge flow path. The discharge side access port can be used to flush residue from the catheter, or in combination with a primary refill port on the pump to flush the pump and/or to determine actual pump stroke volume.
An implantable medication infusion pump, comprising: a pump housing; a reservoir within said pump housing for receiving and storing a supply of a selected medication; pump means within said pump housing and defining a pump outlet port, said pump means being for delivering the medication from said re
An implantable medication infusion pump, comprising: a pump housing; a reservoir within said pump housing for receiving and storing a supply of a selected medication; pump means within said pump housing and defining a pump outlet port, said pump means being for delivering the medication from said reservoir through said outlet port; a side port assembly mounted on said pump housing and defining a discharge flow path in flow communication with said pump outlet port, an access port to permit transcutaneous needle access to said discharge flow path, and check valve means for preventing fluid backflow within said discharge flow path; and a catheter connected to said discharge flow path, whereby medication delivered through said pump outlet port passes through said discharge flow path and said catheter to a selected administration site within the body of a patient, said check valve means being located along the discharge flow path between said access port and said catheter.
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