A61M2005/14288

Medical pump

A pump for treating a patient is disclosed that includes a spring-biased plunger biased toward actuation against a tube; a cam shaft configured to actuate the spring-based plunger; a lever actuatable between a closed position and an open position; a shaft coupled to the lever, the shaft having a central axis centrally along the length of the shaft, the shaft coupled to the lever to rotate around the central axis in accordance with actuation of the lever; and a lift cam pivotally coupled to the shaft, wherein the lift cam pivots around a lift cam axis, the lift cam axis of the lift cam is parallel to the central axis of the shaft, and the lift cam engages with the spring-based plunger to lift the spring-biased plunger off of the cam shaft as the shaft rotates in accordance with actuating the lever to the open position.

Pump device comprising a storage device for receiving a handset

A pump device (1) for administering a medical fluid to a patient (4), comprises a housing 5 (10), a pumping mechanism (12) for pumping a medical fluid through an infusion line (3) toward a patient (4), and a handset (16) for entering a control command for controlling an operation of the pumping mechanism (12). Herein, a storage device (15) is arranged on the housing (10) and comprises a receptacle (150) defining a cavity (151) therein for receiving the handset (16). In this way a pump device is provided which allows for improved comfort in particular when using the pump device in a healthcare environment, for example at the bedside of a patient.

Injection simulation device and method

In an embodiment provided herein, an injection simulation device including a housing having a proximal end and a distal end is provided. The injection simulation device embodiment comprises a plunger having a proximal end, a distal end and being slidable relative to the housing, and a retractable injection simulation member at the distal end of the housing, at least one biasing member associated with the retractable injection simulation member and associated with the plunger, wherein a first force on a distal end of the injection simulation member causes movement of the injection simulation member from an extended position to a retracted position, to compress the first biasing member, and simulate the tactility of an injection to a user; and wherein a second force on the proximal end of the plunger asserts a third force on the first biasing member to facilitate resetting the injection simulation member to the extended position.

Impact testing apparatuses and methods for drug delivery devices

Impact testing apparatuses are disclosed which simulate and measure various impact-related events associated with the operation of a drug delivery device. The impact testing apparatus may include an impactor configured to simulate a plunger rod of the drug delivery device, and a guide sleeve configured to receive a syringe corresponding to the drug delivery device. The syringe may have a proximal end, a distal end defining an outlet, and an interior chamber extending between the proximal and distal ends and carrying a plunger. Additionally, the impact testing apparatus may include an energy source configured to reduce a distance between the impactor and the plunger so that the impactor strikes the plunger. Various sensors may be included to measure characteristics of one or more impacts caused by the impactor. Methods of impact testing a syringe filled with a fluid and carrying a plunger are also disclosed.

DRUG DELIVERY DEVICE SENSING MODULES

Various exemplary drug delivery device sensing modules and methods of using drug delivery device sensing modules are provided. In general, a sensing module can be configured to be attached to a drug delivery device configured to deliver a drug. The drug delivery device can be any of a variety of types of drug delivery devices, such as a syringe, an injection device (e.g., an autoinjector, a jet injector, and an infusion pump), a nasal delivery device, and an inhaler. The sensing module can be configured to gather data for one or more parameters related to drug delivery and to transmit data indicative of the gathered data to an external source configured to analyze the data received from the sensing module.

Injector pressure calibration system and method

A calibration system for calibrating a pressure output of a fluid injector having a housing configured for connecting to the fluid injector; a drive member engagement portion configured for contacting a drive member of the fluid injector; a compressible member, which may have a known modulus of compression, connected at its proximal end to the drive member engagement portion, wherein the compressible member is compressed with movement of the drive member of the fluid injector between a first, uncompressed position and a second, at least partially compressed position of the fluid injector in a distal direction; and a sensor connected to the compressible member is described. The sensor is configured for measuring at least one of a force imparted by the drive member and a displacement of the drive member when the compressible member is in the second, at least partially compressed position. The system may generate a calibration curve for the drive member of the fluid injector and allow the generation of a fault condition. Methods for calibrating a fluid injector are also described.

CLINICAL ASSESSMENT OF AN INTRAVENOUS CATHETER SITE
20230123153 · 2023-04-20 ·

A system and method for assessing an intravenous catheter site is described in embodiments herein. An application accessible on a mobile device may be used to take calibrated photographs of an intravenous catheter site. The resulting calibrated image may be compared to previously taken calibrated images to determine a complication. Success of treatments to the complication may be tracked and the patient's electronic medical record may be updated.

IMPACT TESTING APPARATUSES AND METHODS FOR DRUG DELIVERY DEVICES

Impact testing apparatuses are disclosed which simulate and measure various impact-related events associated with the operation of a drug delivery device. The impact testing apparatus may include an impactor configured to simulate a plunger rod of the drug delivery device, and a guide sleeve configured to receive a syringe corresponding to the drug delivery device. The syringe may have a proximal end, a distal end defining an outlet, and an interior chamber extending between the proximal and distal ends and carrying a plunger. Additionally, the impact testing apparatus may include an energy source configured to reduce a distance between the impactor and the plunger so that the impactor strikes the plunger. Various sensors may be included to measure characteristics of one or more impacts caused by the impactor. Methods of impact testing a syringe filled with a fluid and carrying a plunger are also disclosed.

DRIVE MECHANISM FOR A RESETTABLE MEDICAMENT DELIVERY TRAINING DEVICE
20220208024 · 2022-06-30 ·

A drive mechanism for a resettable medicament delivery training device is presented having a plunger rod having a proximal end and a distal end, a container having an inner chamber, an open proximal container end, and an open distal container end leading into the inner chamber, and a resetting structure, wherein in an initial state of the drive mechanism the plunger rod extends through the open distal container end into the inner chamber and is axially fixedly arranged in a first position in the container and biased towards the open proximal container end, and wherein the plunger rod is configured to be released from the first position, causing the plunger rod to move towards the open proximal container end to obtain a second position in the container, wherein the resetting structure is configured to be manually inserted into the container via the open proximal container end when the plunger rod is in the second position, the resetting structure being configured to be moved manually towards the distal open end of the container to reset the plunger rod in the first position.

A Training Device, System and Method
20230260426 · 2023-08-17 ·

A system including a training drug delivery device and a user device is provided. The training drug delivery device includes a body, a cap, a delivery activation button, a controller, a memory, a wireless unit for communicating with the user device, a drive for simulating a haptic response of a drug delivery device, and at least one sensor for measuring attachment of the cap and depression of the delivery activation button. The user device includes a controller, a memory, and a wireless unit. The user device is configured to connect to the training drug delivery device, receive sensor measurements from the training drug delivery device, and provide, based at least partly on the received sensor measurements, the user with feedback on handling the training drug delivery device.