Systems for fluid reservoir retention
First Claim
Patent Images
1. A fluid reservoir for use with a fluid infusion device, comprising:
- a first portion having a first end and a second end, the first end including an alignment feature and a delivery port;
a second portion including a housing coupled to the second end of the first portion and a plunger having a rack, with the plunger movable within the housing and the first portion to advance a fluid out of the delivery port, the rack contained wholly within the first portion and the second portion;
a reservoir defined between the first portion and the second portion that receives the fluid;
wherein the rack cooperates with a pinion to advance the plunger within the first portion;
wherein the housing further comprises;
a base that is couplable to the second end of the first portion; and
a rack receiving portion including a contact surface adjacent to the base and a removal portion, wherein the base defines an opening and the rack receiving portion defines a bore in communication with the opening to slidably receive the rack, the bore including a cutout portion to enable the rack to engage the pinion.
1 Assignment
0 Petitions
Accused Products
Abstract
A fluid reservoir for use with a fluid infusion device is provided. The fluid reservoir can include a first portion having a first end and a second end. The first end can include an alignment feature and a delivery port. The fluid reservoir can include a second portion coupled to the second end of the first portion, with a portion of the second portion movable within the first portion to advance a fluid out of the delivery port. The fluid reservoir can also include a reservoir defined between the first portion and the second portion that receives the fluid.
249 Citations
15 Claims
-
1. A fluid reservoir for use with a fluid infusion device, comprising:
-
a first portion having a first end and a second end, the first end including an alignment feature and a delivery port; a second portion including a housing coupled to the second end of the first portion and a plunger having a rack, with the plunger movable within the housing and the first portion to advance a fluid out of the delivery port, the rack contained wholly within the first portion and the second portion; a reservoir defined between the first portion and the second portion that receives the fluid; wherein the rack cooperates with a pinion to advance the plunger within the first portion;
wherein the housing further comprises;
a base that is couplable to the second end of the first portion; and
a rack receiving portion including a contact surface adjacent to the base and a removal portion, wherein the base defines an opening and the rack receiving portion defines a bore in communication with the opening to slidably receive the rack, the bore including a cutout portion to enable the rack to engage the pinion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A fluid reservoir for use with a fluid infusion device, comprising:
-
a first portion having a first end and a second end, the first end including a first alignment feature spaced apart from a second alignment feature and a delivery port adjacent to the first alignment feature; a second portion including a plunger having a rack and a housing, at least a portion of the plunger received in the housing and movable within the first portion and the housing to advance a fluid out of the delivery port and the housing coupled to the second end of the first portion and the rack contained wholly within the first portion and the second portion; a reservoir defined between the first portion and the second portion that receives the fluid; wherein the rack cooperates with a pinion to advance the plunger within the first portion; wherein the housing further comprises;
a base that is couplable to the second end of the first portion; and
a rack receiving portion including a contact surface and a removal portion, wherein the base defines an opening and the rack receiving portion defines a bore in communication with the opening to slidably receive the rack, the bore including a cutout portion to enable the rack to engage the pinion. - View Dependent Claims (12, 13, 14, 15)
-
Specification