Systems and methods for fluid infusion device with automatic reservoir fill
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-005/145
A61M-005/14
A61M-005/142
A61M-039/10
출원번호
US-0554622
(2014-11-26)
등록번호
US-10195341
(2019-02-05)
발명자
/ 주소
Pananen, Jacob E.
출원인 / 주소
Medtronic Minimed, Inc.
대리인 / 주소
Lorenz & Kopf, LLP
인용정보
피인용 횟수 :
0인용 특허 :
202
초록▼
Systems and methods for a fluid reservoir for use with a fluid infusion device, which is automatically filled are provided. The fluid reservoir includes a barrel having a proximal end and a distal end. The fluid reservoir also includes a stopper received in the barrel and movable within the barrel f
Systems and methods for a fluid reservoir for use with a fluid infusion device, which is automatically filled are provided. The fluid reservoir includes a barrel having a proximal end and a distal end. The fluid reservoir also includes a stopper received in the barrel and movable within the barrel from the distal end to the proximal end to dispense a fluid from a passageway of the barrel. The fluid reservoir includes at least one engagement feature defined along a portion of a perimeter of the barrel near the proximal end that removably couples the fluid reservoir to the fluid infusion device.
대표청구항▼
1. A fluid infusion system, comprising: a fluid infusion device including: a housing with at least one thread defined in the housing, the housing including a drive system that includes a motor coupled to a slide;a fluid reservoir removably received within the housing, the fluid reservoir including:
1. A fluid infusion system, comprising: a fluid infusion device including: a housing with at least one thread defined in the housing, the housing including a drive system that includes a motor coupled to a slide;a fluid reservoir removably received within the housing, the fluid reservoir including: a barrel having a proximal end and a distal end, with at least the distal end removably received within the housing, the distal end having a circumferentially open perimeter to receive a portion of the drive system therethrough and at least one inward projection;a stopper received in the barrel and movable within the barrel by the drive system between the distal end and the proximal end, the stopper releasably coupled to the slide, the stopper movable by the slide in a first direction to dispense a fluid from a passageway of the barrel and movable by the slide in the first direction and a second direction to draw the fluid into the passageway of the barrel to fill the barrel during an automatic fill procedure, the second direction opposite the first direction, and the inward projection retains the stopper within the barrel;a mounting projection coupled to the proximal end of the barrel and defining at least a second passageway in fluid communication with the passageway of the barrel and an internal bore to define a fluid flow path, with a mounting projection housing received in the internal bore and rotatable relative to the internal bore between a first position, in which the fluid flow path is obstructed, and a second position, in which the fluid flow path is open, the mounting projection housing having a tab;at least one thread defined along a portion of a perimeter of the barrel near the proximal end that engages with the at least one thread defined in the housing to removably couple the fluid reservoir to the housing of the fluid infusion device; anda control module that outputs one or more control signals to the motor to move the slide in the first direction and the second direction over a series of intervals to draw fluid from an external fluid source into the passageway of the barrel to fill the barrel of the fluid reservoir with the fluid from the external source of fluid based on an input to begin the automatic fill procedure; anda set connector having a body that includes a first passage and an engagement feature that cooperates with the tab of the mounting projection housing such that the mounting projection housing moves with the body of the set connector, the set connector coupleable to the fluid reservoir such that a rotation of the set connector relative to the fluid reservoir rotates the mounting projection housing to the second position to fluidly couple the first passage to the second passageway of the mounting projection to provide the fluid flow path from the fluid reservoir. 2. The fluid infusion system of claim 1, wherein the proximal end includes at least one grip surface to assist in coupling the fluid reservoir to the fluid infusion device. 3. The fluid infusion system of claim 2, wherein the at least one grip surface is at least one wing that extends outwardly from the proximal end of the barrel. 4. The fluid infusion system of claim 2, wherein the at least one grip surface is at least one post that extends outwardly from the proximal end of the barrel. 5. The fluid infusion system of claim 2, wherein the at least one grip surface is a mounting projection that extends outwardly from the proximal end of the barrel. 6. The fluid infusion device of claim 1, wherein the fluid reservoir further comprises at least one locking arm to cooperate with a portion of the fluid infusion device. 7. A fluid infusion system, comprising: a fluid infusion device including: a housing;a fluid reservoir removably received within the housing of the fluid infusion device, the fluid reservoir including: a barrel having a proximal end and a distal end, with at least the distal end removably received within the housing of the fluid infusion device;a stopper received in the barrel and movable within the barrel from the distal end to the proximal end to dispense a fluid from a passageway of the barrel; anda mounting projection coupled to the proximal end of the barrel and defining at least a second passageway in fluid communication with the passageway of the barrel and an internal bore to define a fluid flow path, with a mounting projection housing received in the internal bore and rotatable relative to the internal bore between a first position, in which the fluid flow path is obstructed, and a second position, in which the fluid flow path is open, the mounting projection housing having a tab; anda set connector having a body that includes a first passage and an engagement feature that cooperates with the tab of the mounting projection housing such that the mounting projection housing moves with the body of the set connector, the set connector coupleable to the fluid reservoir such that a rotation of the set connector relative to the fluid reservoir rotates the mounting projection housing to the second position to fluidly couple the first passage to the second passageway of the mounting projection to provide the fluid flow path from the fluid reservoir. 8. The fluid infusion system of claim 7, wherein the stopper includes at least one coupling device to couple the stopper to a portion of the fluid infusion device. 9. The fluid infusion system of claim 8, wherein the at least one coupling device is at least one locking arm. 10. The fluid infusion system of claim 8, wherein the at least one coupling device is at least one thread. 11. The fluid infusion system of claim 7, wherein the mounting projection defines a third passageway and the mounting projection housing defines a fourth passageway and a fifth passageway, and the third passageway and the fourth passageway cooperate to define the second passageway. 12. The fluid infusion system of claim 11, wherein the fifth passageway is in fluid communication with the passageway of the barrel and the fourth passageway. 13. A fluid infusion system, comprising: a fluid infusion device including: a housing including a drive system;a fluid reservoir removably received within the housing of the fluid infusion device, the fluid reservoir including: a barrel having a proximal end and a distal end, with the distal end and at least a portion of the proximal end removably received within the housing of the fluid infusion device, the distal end circumferentially open to receive a portion of the drive system therethrough and including at least one inward projection;a stopper received in the barrel and movable within the barrel by the drive system from the distal end to the proximal end to dispense a fluid from a passageway of the barrel, and the at least one inward projection retains the stopper within the barrel; anda mounting projection coupled to the proximal end of the barrel and defining an internal bore and a second passageway, the mounting projection including a mounting projection housing received in the internal bore and defining a third passageway and a fourth passageway, the third passageway in fluid communication with the fourth passageway and the fourth passageway in fluid communication with the passageway of the barrel, the mounting projection housing having a tab,wherein the mounting projection housing is movable within the internal bore between a first, closed position in which the second passageway is obstructed, and a second, open position in which the second passageway and third passageway are coaxially aligned to allow fluid to exit the barrel; anda set connector having a body that defines a first passage and includes a tab engagement feature on an inner periphery of the set connector, the tab engagement feature defines an aperture that receives at least a portion of the tab such that the tab moves with the body of the set connector, the set connector coupleable to the fluid reservoir such that a movement of the set connector relative to the fluid reservoir moves the mounting projection housing to fluidly couple the first passage to the second passageway of the mounting projection to provide a fluid flow path from the fluid reservoir. 14. The fluid infusion system of claim 13, further comprising at least one engagement feature defined along a portion of a perimeter of the barrel near the proximal end that removably couples the fluid reservoir to the fluid infusion device. 15. The fluid infusion system of claim 14, wherein the at least one engagement feature is one or more threads defined along the portion of the perimeter of the barrel.
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