Micrel Patent Grants

Medication infusion safety device and a medication infusion device comprising the medication infusion safety device

Granted: April 12, 2022
Patent Number: 11302432
A medication infusion device comprises a memory means at a medication reservoir storing data identifying medication in the reservoir, a memory reading means at an infusion pump unit reads data from said memory means, and control means controls an infusion, based on data read by said memory reading means, to start the infusion when the medication is correct. A fluid connection detection means detects fluid connection of the medication reservoir to the infusion pump unit and transmits to…

Method for processing infusion data and an infusion pump system

Granted: November 2, 2021
Patent Number: 11164667
A distributed infusion pump system is provided with long-term recording of the type of medication, nutrition or hydration, pump output pressure, corresponding infusion flow, infusion flow resistance, and an automatic or manual alarm in the event that thresholds applied to these parameters or their derivatives are exceeded.

Pump infusion system

Granted: November 2, 2021
Patent Number: 11160921
An infusion pump system comprises a pump for infusing a drug into a patient, a storing unit for storing therapy data, drug data, protocol data, profile data, care type data, and feedback data received from said pump and/or other sources including information about particularities of therapies already carried out or currently running, an input unit for selecting therapy data, drug data, profile data, and care type data, an associating unit for associating the selected therapy data, drug…

Infusion pump system

Granted: March 9, 2021
Patent Number: 10940261
An infusion system comprises an infusion pump that comprises an input unit and a display unit. The input unit is adapted for adjusting a value of at least one parameter for controlling operation of the infusion pump and/or an infusion process, and the display unit displays the value of the at least one parameter. The input unit comprises at least one slide bar adapted to be touched by a user's finger and moved along its length to change the value of the parameter, wherein movement in a…

Device and system for locating and operating a medical device

Granted: December 29, 2020
Patent Number: 10874796
A device for locating and operating a medical device having different operational modes is provided. The device comprises a first database, wherein from a plurality of different operational modes for the medical device and from a plurality of different geographical positions of use for operation of the medical device, a predetermined operational mode is assigned to a geographical position of use. A positioning means is adapted to be provided at the medical device and to determine the…

Upgrade smart kit for conventional large volumetric pumps

Granted: December 29, 2020
Patent Number: 10874795
An infusion safety device comprises a tag reader which is adapted to read a medication tag provided at an infusion medication reservoir, in particular during the whole infusion and a processing unit which is connected with said tag reader and is provided to be connected with an infusion pump in which an infusion protocol is stored and is adapted to recognize a change of the medication reservoir, to read out the infusion protocol from the infusion pump, to cause said tag reader to carry…

Pharmaceutical blend infusion thereof and Parkinson's disease monitoring system

Granted: July 2, 2019
Patent Number: 10335540
The invention relates to a system for administering drug to a Parkinson's disease patient comprising (a) a drug; (b) a storing bag for the drug; (c) a pump for administering the drug; (d) a pump controller for controlling the pump activity, the pump controller having access to a correlation of a first parameter tx and a second parameter At, and to the current first parameter tx, wherein the first parameter tx is correlated with a certain activity of the patient and the second parameter…

Pulseless rotary peristaltic pump

Granted: October 16, 2018
Patent Number: 10100824
An infusion pump comprises peristaltic pump means with tubing comprising four zones. The first, most upstream, zone provides for an engagement element to engage the tubing during movement along the first zone, and the engagement element remains in engagement with the tubing during movement along the second and third zones. The fourth, most downstream, zone provides for an engagement element to disengage from the tubing during movement along the fourth zone. The length of each of the…

Infusion pump device

Granted: August 28, 2018
Patent Number: 10058652
An infusion pump device comprises a pumping means having a fluid inlet which is adapted to be connected to a vial for taking fluid out of the vial and a fluid outlet which is adapted to be connected to an infusion catheter, and a controlling means which is adapted to be connected to the vial and to control pressure inside the vial so as to avoid occurrence of underpressure at the fluid inlet.

Current sensing using a metal-on-passivation layer on an integrated circuit die

Granted: November 21, 2017
Patent Number: 9823279
A current sense resistor integrated with an integrated circuit die where the integrated circuit die is housed in a flip-chip semiconductor package includes a metal layer formed over a passivation layer of the integrated circuit die where the metal layer having an array of metal pillars extending therefrom. The metal pillars are electrically connected to a first leadframe portion and a second leadframe portion of the semiconductor package where the first leadframe portion and the second…

Method and device for monitoring the function of a driver assistance system

Granted: November 14, 2017
Patent Number: 9815480
For monitoring the function of a driver assistance system, the environment of a vehicle is detected by at least one sensor, sensor data of the environment is generated, and at least one measurement variable is determined from the sensor data and is compared to reference values for the measurement variable to monitor the function of the driver assistance system. The result of the function monitoring is subsequently output and/or stored in accordance with the result of the comparison.

DMOS transistor with trench schottky diode

Granted: October 3, 2017
Patent Number: 9780204
A DMOS transistor integrates a trench Schottky diode into the body contact of the transistor where the body region surrounding the Schottky metal layer forms a guard ring for the Schottky diode.

Lock connection device for medical fluid lines

Granted: March 28, 2017
Patent Number: 9604045
Described is a lock connection device for medical fluid lines comprising a first connector for coupling a first medical fluid line and a second connector for coupling a second medical fluid line, wherein both connectors are adapted for releasable attachment to each other. The device comprises a first closing member adapted to be releasably attached to the first connector so as to close it, and a second closing member adapted to be releasably attached to the second connector so as to…

DMOS transistor with trench schottky diode

Granted: December 27, 2016
Patent Number: 9530880
A DMOS transistor integrates a trench Schottky diode into the body contact of the transistor where the body region surrounding the Schottky metal layer forms a guard ring for the Schottky diode.

Vertical differential resonator

Granted: November 8, 2016
Patent Number: 9490769
A micromechanical device includes a substrate, a micromechanical structure supported by the substrate and configured for overtone resonant vibration relative to the substrate, and a plurality of electrodes supported by the substrate and spaced from the micromechanical structure by respective gaps. The plurality of electrodes include multiple drive electrodes configured relative to the micromechanical structure to excite the overtone resonant vibration with a differential excitation…

High bandwidth PSRR power supply regulator

Granted: October 18, 2016
Patent Number: 9471076
A voltage regulator includes a power device formed by an NMOS transistor having a drain terminal coupled to an input voltage, a source terminal providing an output voltage and a gate terminal receiving a gate drive signal; and an integrated AC/DC control loop configured to access the output voltage and to generate the gate drive signal based on a value of the output voltage in relation to a first reference voltage and a second reference voltage. The AC control portion generates a gate…

Infusion rotary peristaltic pump

Granted: October 18, 2016
Patent Number: 9468715
An infusion pump comprises at least three operating layers. A first layer includes epicyclic gear means comprising a rotatable central gear, a stationary outer ring gear, and movable planet gears arranged between the central gear and the ring gear in movable engagement with the central and ring gears. A second layer includes roller bearing means comprising a stationary outer ring and a movable inner roller arrangement in movable arrangement with the outer ring and coupled with the…

Switching regulator using adaptive slope compensation with DC correction

Granted: October 11, 2016
Patent Number: 9467051
A switching regulator using current mode control and adaptive slope compensation includes a DC correction circuit to introduce a DC correction signal to cancel the DC offset error generated by the slope compensation signal. In some embodiments, the DC correction signal is a function of the input voltage and the output voltage and is applied in response to the slope compensation signal being applied. In one embodiment, the DC correction signal is a linear function of the input voltage and…

Buck DC-DC converter with fixed frequency

Granted: October 11, 2016
Patent Number: 9467043
A buck switching regulator implements a fixed frequency feedback control circuit including a voltage control loop and a frequency control loop to regulate the switching frequency of the buck switching regulator to a fixed or nearly fixed frequency. The voltage control loop, implementing ripple mode control, is configured to control the power switches in response to the switching regulator output voltage or a signal related to the switching regulator output voltage. The frequency control…

Hysteretic buck DC-DC converter

Granted: September 27, 2016
Patent Number: 9455626
A buck switching regulator includes a feedback control circuit using a four-input comparator to regulate the output voltage to a substantially constant level with reduced voltage offset and with fast transient response. In some embodiments, the buck switching regulator uses the four-input comparator to compare a first feedback signal without ripple and a second feedback signal with injected ripple components to a reference level. The four-input comparator generates an output signal to…