A61B5/1405

Methods and apparatus for reducing contamination in blood draw samples
11253180 · 2022-02-22 · ·

Methods and apparatus are provided for increasing compliance with the discard volume method of blood drawing. The method includes attaching an initial discard container for discarding an initial amount of blood drawn to a standard blood culture bottle. The apparatus, detachable and configurable with a variety of standard blood culture containers, may act as a physical reminder and a convenient handling arrangement for drawing blood according to the preferred discard volume method that reduces sample contamination and false positives. These methods and apparatus may be compatible or retrofit with existing standard blood culture bottles or kits.

Method and apparatus for inversion detection
11241178 · 2022-02-08 ·

A method for inversion counting or phlebotomist monitoring can include identifying, by processing circuitry, whether a blood collection tube is present in image data from a camera situated to capture images of a phlebotomist collecting a sample, in response to identifying the blood collection tube is present in the field of view of the camera based on the image data, identifying whether the blood collection tube includes blood therein, after identifying the blood is present in the blood collection tube, counting, based on the image data, a number of inversions performed on the blood collection tube, and in response to determining the number of inversions performed is less than a required number of inversions, issuing an alert indicating that insufficient inversions were performed.

Devices, systems, and methods for the collection of body fluids

A method for the storage of biological samples is disclosed. The method includes the steps of coupling a storage device to a biological sample collection apparatus capable of collecting a biological sample from a subject, introducing a biological sample from the biological sample collection apparatus to the storage device, and drying the biological sample on the storage device. In another embodiment, the storage device used by the method may include a collection medium having a top surface, a bottom surface, and a predetermined size and shape, the top surface comprising a position marker and at least one binding site operable to bind a biological sample; and a protective facing substantially impermeable to the biological sample, the protective facing coupled to the top surface of the collection medium and having a size and shape substantially similar to the predetermined size and shape of the collection medium.

ENCLOSED DESORPTION ELECTROSPRAY IONIZATION PROBES AND METHOD OF USE THEREOF

The invention generally relates to enclosed desorption electrospray ionization probes, systems, and methods. In certain embodiments, the invention provides a source of DESI-active spray, in which a distal portion of the source is enclosed within a transfer member such that the DESI-active spray is produced within the transfer member.

Fluid handling device having a spring mechanism
09724030 · 2017-08-08 · ·

A fluid handling device includes a receiving container with a piston arranged therein in a displaceable manner, such that the volume of a fluid receiving reservoir may be changed by a displacement of the piston. In addition, the fluid handling device includes an actuation mechanism configured to displace a carrier bearing upon actuation of the former. Finally, the fluid handling device includes a spring mechanism configured to transfer a force from the carrier bearing to the piston so as to effect, in response to displacement of the carrier bearing in a first direction, a displacement of the piston within the receiving container such that a volume of the fluid reservoir is increased.

Hemostatic parameter display

A system for displaying a plurality of hemostatic indexes is disclosed. The system includes a communication receiver configured to receive the hemostatic indexes and a graphical user interface (GUI) connected to the communication receiver and configured to simultaneously display the hemostatic indexes. The hemostatic indexes are derived from a plurality of independent measurements, such as the mechanical measurements determined using the sonorheometry systems and processes.

Non-invasive prenatal test on single fetal cells isolated from blood of pregnant women
11453007 · 2022-09-27 · ·

Methods and systems are provided for isolating fetal cells from a maternal blood supply in order to perform non-invasive prenatal testing. In one example, a system for non-invasive prenatal testing includes a substrate coated with a cell-capturing surface, the cell-capturing surface including an array of pillar-like structures, each pillar-like structure including a plurality of intersecting arms.

METHOD AND APPARATUS FOR PREDICTING CONCENTRATION OF ANALYTE
20170319185 · 2017-11-09 ·

Disclosed is a method for predicting an in vivo concentration of an analyte, including: estimating an in vivo intrinsic spectrum of the analyte; and predicting the in vivo concentration of the analyte by using a concentration predicting algorithm based on the estimated in vivo intrinsic spectrum and an in vivo spectrum obtained during a section in which the in vivo concentration of the analyte is not substantially changed.

Connectors and encasement for personal hygiene product with a digital element

A personal hygiene product with a digital element is described. In one embodiment, a conductive sensor assembly is disposed within the personal hygiene product that includes one or more moisture sensors that generate a resistive and/or capacitive signal indicative of saturation of the personal hygiene product when in wetting contact with menstrual fluid.

Methods for manually injecting/aspirating fluids through small diameter catheters and needles and manual injection/aspiration systems including small diameter catheters and needles
11191931 · 2021-12-07 · ·

A system for increasing rates at which fluids may be manually forced through injection/aspiration elements, such as catheters and needles, includes the injection/aspiration elements, as well as a syringe including a pair of crossed handles, one associated with the barrel of the syringe, the other associated with the plunger of the syringe, to provide a mechanical advantage. The system may include and injection/aspiration element of small (e.g., 0.052 inch or smaller) inner diameter and small outer diameter (e.g., 5 French or less). Such systems enable the use of a single hand to hold and operate a syringe in a variety or procedures, including angiography, angioplasty, discography, glue/cement injection, and a variety of aspiration procedures (e.g., biopsy, sampling, media removal, etc.).