A61M2205/3379

Flow control system
11241523 · 2022-02-08 · ·

A control system is provided to restrict the flow rate of blood in a venous line 12 of a perfusion system 1 comprising a reservoir 10 supplied by the venous line 12 and supplying an outgoing line 22. The control system comprises an outgoing flow sensor 32 configured to determine an outgoing flow value indicative of the outgoing flow rate in the outgoing line 22, and a controller configured to process the outgoing flow value and to determine if the outgoing flow value exceeds a pre-set pairing threshold. The system further comprises an adjustable restriction 28 for restricting the flow rate in the venous line 12 to maintain a venous flow rate that does not exceed a venous restriction threshold, wherein the adjustable restriction 28 is responsive to the controller and wherein the controller comprises a configuration allowing the controller to set the adjustable restriction at the level of the outgoing flow rate, to change the venous restriction threshold with the outgoing flow rate, if the outgoing flow value is above the pre-set pairing threshold.

INFUSION FLOW REGULATOR
20170239416 · 2017-08-24 · ·

The present invention relates to an infusion flow adjuster which is used in order to adjust the flow rate of an infusion solution to be administered when performing infusion therapy, and relates to an infusion flow adjuster in which an arc-shaped flow path for adjusting the distance through which the infusion solution passes and a circular flow path for inducing discharge of the infusion solution that has passed through the arc-shaped flow path are constituted in a single plane, and which is easy to produce as a product for accurately adjusting the flow rate, affords convenience of handling being provided with a handle in a suitable position, and also, in addition to allowing fine adjustment of the flow rate, limits the maximum flow rate to an appropriate value, so being convenient to use during actual infusion therapy.

SYSTEM FOR ANALYZING VASCULAR REFILL DURING SHORT-PULSE ULTRAFILTRATION IN HEMODIALYSIS

A method includes: receiving measurements of a blood-related parameter corresponding to a patient undergoing hemodialysis; estimating a value of one or more hemodialysis treatment-related parameters by applying a vascular refill model based on the received measurements of the blood-related parameter, wherein the one or more hemodialysis treatment-related parameters are indicative of an effect of vascular refill on the patient caused by the hemodialysis; determining, based on the one or more estimated values of the one or more hemodialysis treatment-related parameters, a hemodialysis treatment-related operation; and facilitating performance of the treatment-related operation. The vascular refill model is a two-compartment model based on a first compartment corresponding to blood plasma in the patient's body, a second compartment based on interstitial fluid in the patient's body, and a semi-permeable membrane separating the first compartment and the second compartment.

SYSTEM FOR DETERMINING COMPONENTS OF MATTER REMOVED FROM A LIVING BODY AND RELATED METHODS
20170239402 · 2017-08-24 ·

A system for determining components of matter removed from a body includes a container for receiving the matter, a device for weighing the container and the matter therein, an instrument for obtaining information relating to determine the components of the matter based in part on a weight of the matter determined by said device and the information relating to the at least one aspect of the matter obtained by said instrument. A display includes a screen for displaying information relating to the matter provided by said processer. The information may include a height and/or a color of the matter among other aspects. An insert containing an absorbent material may be utilized to separate fat cells from a fluid when liposuction is used to remove the matter. The insert may be porous allowing fluid to enter the absorption.

Humidification of respiratory gases

A tub is configured to contain a supply of water and be inserted into a chamber of a humidifier. The tub includes a tub base configured to contain a supply of water and a tub lid connected to the tub base. The tub lid includes an inlet configured to receive a flow of breathable gas to be humidified and an outlet for the humidified flow of breathable gas. The tub further includes a water level indicator configured to indicate a level of the supply of water in the tub base. The water level indicator includes an inclined portion configured to direct the flow of breathable gas from the inlet away from the outlet. The water level indicator may be visible through the inlet.

INFUSION PUMP SYSTEM AND METHOD WITH COMMON LINE AUTO FLUSH

An infusion pump system and method with common line auto flush, wherein the infusion pump system has a first reservoir, a second reservoir, a junction, a common line having one end in fluid connection with the junction and having a terminal fluid delivery end, and an infusion pump. The method includes infusing the first fluid at a first rate along a first flow path; entering a common line flush volume value for the common line; switching from the first flow path to a second flow path; driving the second fluid at the first rate along the second flow path; monitoring volume of the second fluid driven at the first rate; and driving the second fluid at a second rate along the second flow path when the monitored volume is equal to or greater than the common line flush volume value.

FLOW METERING INSERT AND/OR DEVICE
20220305199 · 2022-09-29 ·

A flow metering insert (10) for a drip chamber (50) is provided that is suitable for use in intravenous administration. The insert comprises: a primary liquid flow channel with an inlet, an outlet, and a flow-resistant passage between the inlet and the outlet; and a flow indicating channel in communication with the primary liquid flow channel between the inlet and the flow-resistant passage. The flow-resistant passage provides a resistance to liquid flow such that liquid is forced into the flow indicating channel and reaches a height proportional to the rate of liquid flow through the primary liquid flow channel. The flow-resistant passage and the flow indicating channel are at least partially defined by one or more first recesses and/or channels in the insert such that the flow-resistant passage and the flow indicating channel are formed between the insert and a wall of the drip chamber when the insert is inserted into the drip chamber.

APPARATUS FOR DETERMINING THE PERITONEAL PRESSURE

The present invention relates to an apparatus for determining the peritoneal pressure in the abdomen of a patient and/or for determining the drainage state of the abdomen of a patient, wherein the apparatus comprises at least one pump for conveying a dialysis solution into the abdomen as well as at least one measurement device for measuring the pressure in the dialysis solution, wherein the apparatus comprises at least one control unit that is configured such that it controls the pump and the measurement device such that a first measurement of the pressure is carried out by the measurement device with a stationary pump to obtain a first measured pressure value, the pump is subsequently put into operation to convey a partial volume of the total inflow volume of the dialysis solution into the abdomen, and the pump then stops, and then a second measurement of the pressure is carried out by the measurement device to obtain a second measured pressure value.

IMPROVED SYSTEMS AND METHODS FOR MEDICINE DELIVERY

Improved systems and methods for medicine delivery, and in particular, improved insulin pen needles and related devices are provided. Smart injection devices record and transfer data including medicine level, delivered dose, dose confirmation, and dose time and date. Additional data captured may include glucose concentration, insulin level, carbohydrates ingested, stress level, exercise, blood pressure, and glucose high and low excursion events. Various means of data collection and analysis are provided and systems can identify and flag patients who require intervention. Smart sleeves and add sensing capability to standard insulin pens. Pen needles are provided with sensing capability to confirm and measure doses delivered by insulin pen. A two-part pen cap include a primary sleeve that connects to the insulin pen and an end cap that provides for capturing the time of dose delivery, and monitoring the hold time for a dose delivery after plunger movement.

OPTICAL CONFIGURATION OF A MEDICAMENT RESERVOIR OF A DRUG DELIVERY DEVICE
20220031956 · 2022-02-03 ·

Implementations of the present disclosure are directed to a drug delivery device including a reservoir, a stopper, and a light emitting-detecting system. A reservoir includes a wall defining a proximal end and a distal end. A stopper includes an optically reflecting element. The stopper is configured to expel a portion of a medicament stored within the reservoir by moving within the reservoir in a direction from the distal end to the proximal end, such that a stopper position is indicative of an amount of the medicament within the reservoir. A light emitting system is configured to provide a light signal towards the stopper from the distal end. A light detection system is configured to detect a reflected light signal provided by a reflection of the light signal on the optically reflecting element of the stopper and to provide an electric signal in response to detecting the reflected light signal.