An infusion pump operable with a syringe having a syringe barrel and a syringe plunger includes a housing having a compartment to receive the syringe and defining a wall, and a syringe clamp moveable towards and away from the wall, the syringe clamp contacting the syringe barrel; a drive mechanism s
An infusion pump operable with a syringe having a syringe barrel and a syringe plunger includes a housing having a compartment to receive the syringe and defining a wall, and a syringe clamp moveable towards and away from the wall, the syringe clamp contacting the syringe barrel; a drive mechanism supported and structured and arranged to contact and end of the syringe plunger so as to be able to move the syringe plunger within the syringe barrel; a syringe barrel size sensor including a magnet operably coupled to the syringe clamp, and a sensing member supported by the housing and configured to generate an output indicative of a magnetic field associated with the magnet; and software installed on the pump and programmed to use the output to determine a size of the syringe barrel received by the compartment.
대표청구항▼
1. An infusion pump operable with a syringe having a syringe barrel and a syringe plunger moveable within the syringe barrel, the infusion pump comprising: a housing structured to receive the syringe, the housing including a syringe clamp for contacting the syringe barrel;a drive mechanism supported
1. An infusion pump operable with a syringe having a syringe barrel and a syringe plunger moveable within the syringe barrel, the infusion pump comprising: a housing structured to receive the syringe, the housing including a syringe clamp for contacting the syringe barrel;a drive mechanism supported by the housing, the drive mechanism structured and arranged to contact and end of the syringe plunger so as to be able to move the syringe plunger within the syringe barrel;a syringe barrel size sensor including a magnet moveable with the syringe clamp when clamping the syringe barrel, anda sensing member supported by the housing and configured to generate an output indicative of a magnetic field associated with the magnet; andsoftware installed on the pump and programmed to use the output to determine a size of the syringe barrel received by the compartment. 2. The infusion pump of claim 1, wherein the magnet is positioned on the syringe clamp. 3. The infusion pump of claim 1, wherein the sensing member includes a plurality of electromagnetic sensors. 4. The infusion pump of claim 1, wherein the sensing member includes a linear sensor array. 5. The infusion pump of claim 1, wherein the sensing member includes a single electromagnetic sensor. 6. The infusion pump of claim 1, wherein the sensing member is mounted adjacent to the magnet. 7. The infusion pump of claim 1, wherein the housing includes a compartment structured to receive the syringe and defining a wall, and wherein the syringe clamp is moveable towards and away from the wall, the syringe clamp contacting the syringe barrel when the syringe clamp is moved towards the wall. 8. An infusion pump operable with a syringe having a syringe barrel and a syringe plunger moveable within the syringe barrel, the infusion pump comprising: a housing including a syringe clamp resiliently biased to hold the syringe barrel;a drive mechanism supported by the housing, the drive mechanism structured and arranged to contact and end of the syringe plunger so as to be able to move the syringe plunger within the syringe barrel;a syringe barrel size sensor including a magnet operably coupled to the syringe clamp, anda sensing member provided adjacent to the magnet and configured to generate an output indicative of a magnetic field associated with the magnet; andsoftware installed on the pump and programmed to use the output to determine a size of the syringe barrel received by the compartment. 9. The infusion pump of claim 8, wherein the magnet is positioned on the syringe clamp. 10. The infusion pump of claim 8, wherein the sensing member includes a plurality of electromagnetic sensors, a linear sensor array, or a single electromagnetic sensor. 11. The infusion pump of claim 8, wherein the syringe clamp is slideable within the compartment. 12. The infusion pump of claim 8, wherein the housing includes a compartment structured to receive the syringe, and wherein the syringe clamp is moveable within the compartment and resiliently biased to hold the syringe barrel within the compartment. 13. The infusion pump of claim 12, wherein the compartment includes a wall, and wherein the syringe clamp is moveable relative to the wall to hold the syringe barrel in a resiliently biased manner. 14. An infusion pump method comprising: sensing a magnetic field associated with a first magnet coupled to a syringe clamp to determine a size of a syringe barrel received in a housing of an infusion pump; andsensing a magnetic field associated with a second magnet to determine a linear position of a syringe plunger moveable inside the syringe barrel. 15. The infusion pump method of claim 14, which includes linearly sensing the magnetic field associated with the first magnet to determine the size of the syringe barrel. 16. The infusion pump method of claim 14, which includes linearly sensing the magnetic field associated with the second magnet to determine the linear position of the syringe plunger moveable inside the syringe barrel. 17. The infusion pump method of claim 14, which includes sensing an orientation of magnetic field lines associated with (i) the first magnet and (ii) the second magnet to determine (a) the size of the syringe barrel and (b) the linear position of the syringe plunger moveable within the syringe barrel, respectively. 18. The infusion pump method of claim 14, which includes positioning the second magnet on a drive mechanism supported by the housing, the drive mechanism structured and arranged to contact the syringe plunger and move the syringe plunger within the syringe barrel. 19. The infusion pump method of claim 14, wherein sensing the magnetic field associated with the first magnet includes using a sensing member supported by a housing of the infusion pump, the sensing member configured to generate an output indicative of a magnetic field associated with the first magnet. 20. The infusion pump method of claim 19, wherein determining the size of the syringe barrel received in the housing of the infusion pump includes providing software programmed to analyze the output indicative of the magnetic field associated with the first magnet. 21. The infusion pump method of claim 14, wherein sensing the magnetic field associated with the second magnet includes using a magnetic sensor array supported by a housing of the infusion pump positioned adjacent to the magnet, the magnetic sensor array configured to generate an output indicative of a magnetic field associated with the second magnet. 22. The infusion pump method of claim 21, wherein sensing the magnetic field associated with the second magnet to determine the linear position of the syringe plunger moveable inside the syringe barrel includes providing software programmed to analyze the output indicative of the magnetic field associated with the second magnet.
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이 특허에 인용된 특허 (224)
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