Infusion device with dosage dial control

• US 20070299399A1
• Filed: 02/12/2007
• Published: 12/27/2007
• Est. Priority Date: 03/16/2006
• Status: Abandoned Application

• Current Assignee: Calibra Medical, Inc. (CeQur SA)
• Original Assignee: Seattle Medical Technologies
• Inventors: Adams, John, Hawkins, Daniel, Alferness, Clifton
• Application Number:
  US11/705,814
• Publication Number:
  US 20070299399A1
• Time in Patent Office: Days
• US Class Current: 604/151
• CPC Class Codes: A61M 2005/1405 Patient controlled analgesia [PCA]
• CPC Class Codes: A61M 2005/1426 with means for preventing access to the needle after use
• CPC Class Codes: A61M 2005/1585 Needle inserters
• CPC Class Codes: A61M 2005/1587 suitable for being connected to an infusion line after insertion into a patient
• CPC Class Codes: A61M 2025/0266 using pads, patches, tapes or the like
• CPC Class Codes: A61M 5/1408 in parallel, e.g. manifolds, sequencing valves access sites A61M39/02; tube connectors A61M39/10
• CPC Class Codes: A61M 5/14248 of the skin patch type
• CPC Class Codes: A61M 5/1452 pressurised by means of pistons
• CPC Class Codes: A61M 5/14526 the piston being actuated by fluid pressure
• CPC Class Codes: A61M 5/1454 spring-actuated, e.g. by a clockwork
• CPC Class Codes: A61M 5/16881 Regulating valves on-off valves, e.g. clamps A61M39/28

Abstract

A disposable infusion device comprises a base arranged to adhere to a patient'"'"'s skin, a cannula arranged to extend from the base to beneath the patient'"'"'s skin to deliver a liquid medicament to the patient, and a source arranged to provide the cannula with a liquid medicament. The device further includes an actuator that actuates the source to provide the liquid medicament to the cannula. The source is arranged to provide, with each actuation, a fixed volume of medicament to the cannula. A control sets the fixed volume.

Claims

1. A disposable infusion device comprising:

a base arranged to adhere to a patient'"'"'s skin;

a cannula arranged to extend from the base to beneath the patient'"'"'s skin to deliver a liquid medicament to the patient;

a source arranged to provide the cannula with a liquid medicament;

an actuator that actuates the source to provide the liquid medicament to the cannula, the source being arranged to provide, with each actuation, a fixed volume of medicament to the cannula; and

a control that sets the fixed volume.

2. The device of claim 1, wherein the source includes a reservoir that holds the liquid medicament.

3. The device of claim 1, wherein the control comprises a rotatable dial.

4. The device of claim 1, wherein the source includes a pump, wherein the pump has a liquid medicament holding capacity, and wherein the control varies the amount of the pump holding capacity to be pumped to the cannula upon each actuation.

5. The device of claim 4, wherein the pump comprises a compressible tube and wherein the control controls the portion of the compressible tube that is compressed with each actuation.

6. The device of claim 5, wherein the pump further includes a disk having a circumferential surface that supports the compressible tube, a strap coupled to the actuator that compresses a portion of the compressible tube against the disk circumference, wherein the disk has a groove within its circumferential surface, the groove having a depth that increases along the disk circumference, the groove being arranged to receive the compressible tube, and the disk being rotatable to vary the length of the groove receiving the compressible tube to adjust the portion of the tube that is compressed and the volume of liquid medicament pumped to the cannula with each actuation of the actuator.

7. The device of claim 6, wherein the control comprises a rotatable dial and wherein the disk is arranged to be rotated by the rotatable dial.

8. The device of claim 5, wherein the source further includes a reservoir that holds the liquid medicament and wherein the compressible tube communicates with the reservoir.

9. A disposable infusion device comprising:

a base arranged to adhere to a patient'"'"'s skin;

a cannula arranged to extend from the base to beneath the patient'"'"'s skin to deliver a liquid medicament to the patient;

a source arranged to provide the cannula with a liquid medicament, the source including a reservoir that holds the liquid medicament and a pump that pumps the liquid medicament from the reservoir to the cannula;

an actuator that actuates the pump to cause the pump to provide the liquid medicament to the cannula, the pump being arranged to provide, with each actuation, a fixed volume of medicament to the cannula; and

a control that varies the fixed volume.

10. The device of claim 9, wherein the control comprises a rotatable dial.