Company Filing History:
1 out of 10 
1 out of 832,966 Years Active: 1993-2025
Title: David J Handley: Innovator in Blood Volume Assessment and Modular Design
Introduction
David J Handley is a notable inventor based in Rochester, MI (US), recognized for his contributions to medical technology and design. With a total of 3 patents, Handley has made significant strides in the field of blood volume assessment and modular furniture design.
Latest Patents
One of Handley's latest patents is a "Container for blood volume assessment." This invention discloses methods, materials, and devices for approximating blood volume in biological fluids collected during surgical procedures. The method utilizes a red blood cell (RBC) flocculant, such as polyDADMAC, along with an approximate blood hematocrit specific to the type of animal. Additionally, it includes a calculated RBC packing ratio corresponding to the collection device being used. The patent also introduces a Blood Indicator Panel (BIP), which comprises a series of markings derived from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio 'η' value for the collection device. The invention covers various collection containers, including pediatric (about 200 ml or 250 ml), adult human (about 1,000 ml-1,500 ml), and veterinary (about 500 ml-2,500 ml) containers, all designed to include an RBC flocculant for effective blood volume approximation.
Career Highlights
Throughout his career, David J Handley has worked with various companies, including Cypher Medical, LLC. His innovative approach and dedication to improving medical devices have positioned him as a key figure in his field.
Collaborations
Handley has collaborated with notable individuals such as Patrick G Costigan and Christopher A Carew, contributing to the advancement of his projects and inventions.
Conclusion
David J Handley's work exemplifies the intersection of innovation and practical application in medical technology. His patents not only enhance the understanding of blood volume assessment but also reflect his commitment to improving healthcare solutions.