Optical sensor for medical device
First Claim
Patent Images
1. A medical device comprising:
- a housing; and
an optical sensor module connected to the housing and comprising;
an opto-electronic component comprising a first edge;
a cavity within which the opto-electronic component is arranged;
a lens generally defining one end of the cavity offset from the opto-electronic component; and
an opaque member partially covering the lens to form a masked lens edge substantially aligned with the first edge of the opto-electronic component, wherein the opaque member comprises a film.
1 Assignment
0 Petitions
Accused Products
Abstract
An optical sensor for a medical device includes a fixed lens spacing between emit and receive modules to achieve target sensor sensitivity, while varying other sensor parameters in order to increase signal amplitude without increasing power demand. The arrangement of an opto-electronic component within an optical sensor receive module is improved by masking the receive module lens with an opaque member to create a masked lens leading edge that is aligned with a leading edge of the opto-electronic component.
-
Citations
27 Claims
-
1. A medical device comprising:
-
a housing; and an optical sensor module connected to the housing and comprising; an opto-electronic component comprising a first edge; a cavity within which the opto-electronic component is arranged; a lens generally defining one end of the cavity offset from the opto-electronic component; and an opaque member partially covering the lens to form a masked lens edge substantially aligned with the first edge of the opto-electronic component, wherein the opaque member comprises a film. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A medical device comprising:
-
a housing; and an optical sensor module connected to the housing and comprising; an opto-electronic component comprising a first edge; a cavity within which the opto-electronic component is arranged; a lens generally defining one end of the cavity offset from the opto-electronic component; and an opaque member partially covering the lens to form a masked lens edge substantially aligned with the first edge of the opto-electronic component, wherein the lens comprises a disc shape comprising a circular edge and the opto-electronic component comprises a rectilinear shape with the first edge comprising a linear edge, and wherein the opaque member partially covers the lens to form a linear masked lens edge substantially aligned with the linear first edge of the opto-electronic component. - View Dependent Claims (14)
-
-
15. An optical sensor connected to a housing of an medical device, the sensor comprising:
-
an opto-electronic component comprising a first edge; a cavity within which the opto-electronic component is arranged; a lens generally defining one end of the cavity offset from the opto-electronic component; and an opaque member partially covering the lens to form a masked lens edge substantially aligned with the first edge of the opto-electronic component, wherein the opaque member comprises a film. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
-
-
26. An optical sensor connected to a housing of an medical device, the sensor comprising:
-
an opto-electronic component comprising a first edge; a cavity within which the opto-electronic component is arranged; a lens generally defining one end of the cavity offset from the opto-electronic component; and an opaque member partially covering the lens to form a masked lens edge substantially aligned with the first edge of the opto-electronic component, wherein the lens comprises a disc shape comprising a circular edge and the opto-electronic component comprises a rectilinear shape with the first edge comprising a linear edge, and wherein the opaque member partially covers the lens to form a linear masked lens edge substantially aligned with the linear first edge of the opto-electronic component.
-
-
27. A method of constructing an optical sensor connected to a housing of an medical device, the method comprising:
-
arranging a light receiving opto-electronic component comprising a first edge within a cavity; enclosing one end of the cavity offset from the light receiving opto-electronic component with a lens; and covering a portion of the lens with an opaque member to form a masked lens edge substantially aligned with the first edge of the light receiving opto-electronic component, wherein the masked lens edge is formed by one of coating or etching a film onto the lens.
-
Specification