There are 12 ALZET Osmotic Pump models available in 3 physical sizes, and a variety of release rates and durations.

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Lot Specific Performance Data:

The nominal performance is a target for all pumps manufactured. Individual lots of pumps may vary from this target within limits. The actual pumping rate and fill volume of a particular lot (derived by statistical testing) are listed on the top of the instruction sheet included with the pumps. The lot specific data should always be used when making dose calculations. If using pumps from different lots, the drug concentration for each lot of pumps should be adjusted to reflect the actual release rate. To inquire about a specific lot number, or if you have specific questions, please contact technical support at 1-800-692-2990.

Release rates and durations for all ALZET pump models.

*Note that nominal performance data is listed below. Individual lots of pumps will vary from this target within limits. The specific data for each lot of pumps should be used for dose calculations.

Dimensions, Components, & Materials

The tables below review the specifications, dimensions and materials of ALZET osmotic pumps.

Note: All items are supplied sterile. Pumps cannot be reused.

ALZET pumps are supplied in multiples of 10. Every 10 pumps comes with the following:

  • 10 Flow Moderators
  • 1 Filling Tube
  • 1 Instruction Sheet

*Lot Specific Performance Data:

The nominal performance is a target for all pumps manufactured. Individual lots of pumps may vary from this target within limits. The actual pumping rate and fill volume of a particular lot (derived by statistical testing) are listed on the top of the instruction sheet included with the pumps. The lot specific data should always be used when making dose calculations. If using pumps from different lots, the drug concentration for each lot of pumps should be adjusted to reflect the actual release rate. To inquire about a specific lot number, or if you have specific questions, please contact technical support at 1-800-692-2990.