Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
200 words
In a peristaltic pump for advancing enteral feeding solutions through medical tubing, the pump including a motor driven rotor, the rotor carrying a plurality of independently rotating rollers for intermittently compressing the tubing to advance the solutions therein contained, the rotor having a front plate and a rear plate with the rollers being disposed therebetween, an improved rotor comprising: peripheral edges of the front and rear plates of the rotor being selectively configured to define a plurality of open channels, the channels on the top and bottom plates being vertically aligned to define pairs of channels, each pair of channels carrying a removable roller, said roller having a medical tubing contact surface which is fixed to the remaining, underlying portion of said roller, an inner portion of each channel having dimensions slightly larger than the dimensions of each end of the rollers to permit free rotation of the rollers within the channel, an outer portion of the channel having dimensions slightly smaller than each end of the rollers to normally retain the rollers within the inner portion of the channel, such that each roller is inserted into a pair of channels by force-fit through the outer portion of each channel.
Claim 2
Dependent Claim
200 words
In a peristaltic pump for advancing enteral feeding solutions through medical tubing, the pump including a motor driven rotor, the rotor carrying a plurality of independently rotating rollers for intermittently compressing the tubing to advance the solutions therein contained, the rotor having a front plate and a rear plate with the rollers being disposed therebetween, an improved rotor comprising: peripheral edges of the front and rear plates of the rotor being selectively configured to define a plurality of open channels, the channels on the top and bottom plates being vertically aligned to define pairs of channels, each pair of channels carrying a removable roller, said roller having a medical tubing contact surface which is fixed to the remaining, underlying portion of said roller, an inner portion of each channel having dimensions slightly larger than the dimensions of each end of the rollers to permit free rotation of the rollers within the channel, an outer portion of the channel having dimensions slightly smaller than each end of the rollers to normally retain the rollers within the inner portion of the channel, such that each roller is inserted into a pair of channels by force-fit through the outer portion of each channel.
Claim 3
Dependent Claim
31 words
The improved peristaltic pump rotor set forth in claim 1, wherein said roller is a one-piece roller and wherein said medical tubing contact surface is an integral part of said roller.
Claim 4
Dependent Claim
19 words
The improved peristaltic pump rotor set forth in claim 1, wherein said channels are of a generally keyhole shape.
Claim 5
Dependent Claim
19 words
The improved peristaltic pump rotor set forth in claim 2, wherein said channels are of a generally keyhole shape.
Claim 6
Dependent Claim
35 words
The improved peristaltic pump rotor set forth in claim 1, wherein the diameter of said inner portion of said channel exceeds the diameter of said end of said roller by from 15 to 25 percent.
Claim 7
Dependent Claim
35 words
The improved peristaltic pump rotor set forth in claim 2, wherein the diameter of said inner portion of said channel exceeds the diameter of said end of said roller by from 15 to 25 percent.