Bigfoot Biomedical has filed a patent for a device that measures the remaining dose in a drug delivery device. The device includes light sources that emit electromagnetic radiation towards the container, sensors to detect the radiation, and a processing unit to convert the data into a signature. GlobalData’s report on Bigfoot Biomedical gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Bigfoot Biomedical, wearable drug delivery devices was a key innovation area identified from patents. Bigfoot Biomedical's grant share as of September 2023 was 33%. Grant share is based on the ratio of number of grants to total number of patents.
A patent for a device to measure liquid volume
A recently filed patent (Publication Number: US20230243685A1) describes an apparatus for measuring liquid volume in a container. The apparatus includes multiple light sources that emit electromagnetic radiation towards the container. There are also multiple sensors that detect the radiation emitted by the light sources. A processing unit receives data from the sensors and converts it into a signature representative of the detected radiation. The processing unit can associate this signature with a reference signature that represents the liquid volume in the container.
The apparatus is designed to be housed in a removable housing that can be coupled to a drug delivery device. The processing unit includes a memory to temporarily store the data and signature, as well as a memory to store multiple reference signatures representing different liquid volumes. The apparatus also features a display that communicates information about the status of the apparatus to the user, such as dose remaining, history of use, remaining battery life, wireless connectivity status, and user reminders.
The light sources are positioned on one side of the container, while the sensors are positioned on the opposite side. Additionally, the light sources and sensors can be positioned at different radial positions with respect to the container.
The patent also describes a method for estimating the volume of liquid in a drug container using the apparatus. The method involves emitting electromagnetic radiation towards the drug container, detecting the signature of the radiation with the sensors, and comparing the signature to the reference signatures to determine the volume of liquid in the container. The method also includes correcting the signature for background light and using probabilistic matching to associate the signature with the reference signature.
Furthermore, the patent describes a health management system that includes a drug delivery device with a drug reservoir and a dose measurement system. The dose measurement system is designed to be coupled to the drug delivery device and includes the aforementioned apparatus. It also includes a display that presents information about the volume of liquid remaining in the drug reservoir to the user. The system can communicate data about the volume of liquid to a remote device, allowing the remote device to calculate the dose delivered to the patient.
Overall, this patent presents an apparatus and method for accurately measuring liquid volume in a container, particularly in the context of drug delivery devices. The system also includes a display and the ability to communicate data to a remote device, enhancing the user's ability to manage their health.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies
