Patents by Inventor Christopher A. Carew
Christopher A. Carew has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11860155Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices may include the use of an RBC flocculant, for example polyDADMAC, and an approximate blood hematocrit from the type of animal blood being evaluated, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal blood hematocrit, and a calculated RBC packing ratio “ii” value for the collection device. A collection device with a BIP is disclosed. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: GrantFiled: October 5, 2022Date of Patent: January 2, 2024Assignee: Cypher Medical, LLCInventors: Christopher A. Carew, Jian Ling
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Publication number: 20230417733Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: September 1, 2023Publication date: December 28, 2023Inventors: Christopher A. Carew, Jian Ling
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Publication number: 20230408487Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices may include the use of an RBC flocculant, for example polyDADMAC, and an approximate blood hematocrit from the type of animal blood being evaluated, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal blood hematocrit, and a calculated RBC packing ratio “?” value for the collection device. A collection device with a BIP is disclosed. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: August 29, 2023Publication date: December 21, 2023Inventors: Christopher A. CAREW, Jian LING, David HANDLEY
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Publication number: 20230410664Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. In particular applications, methods of estimating blood loss from a subject are provided. The method and devices may include a RBC flocculant, such as polyDADMAC, and provide for an approximate blood hematocrit for a selected type of animal, as well as provide for a calculated RBC packing ratio corresponding to the collection device receiving the fluid. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood cell sedimentation volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that may include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: September 12, 2022Publication date: December 21, 2023Inventors: Christopher A. CAREW, Jian LING
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Patent number: 11782048Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: GrantFiled: October 11, 2022Date of Patent: October 10, 2023Assignee: Cypher Medical, LLCInventors: Christopher A. Carew, Jian Ling
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Patent number: 11761950Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: GrantFiled: March 17, 2022Date of Patent: September 19, 2023Assignee: Cypher Medical, LLCInventors: Christopher A. Carew, Jian Ling
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Publication number: 20230087527Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. In particular applications, methods of estimating blood loss from a subject are provided. The method and devices may include a RBC flocculant, such as polyDADMAC, and provide for an approximate blood hematocrit for a selected type of animal, as well as provide for a calculated RBC packing ratio corresponding to the collection device receiving the fluid. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood cell sedimentation volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that may include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: September 12, 2022Publication date: March 23, 2023Inventors: Christopher A. CAREW, Jian LING
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Publication number: 20230082115Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: November 7, 2022Publication date: March 16, 2023Inventors: Christopher A. Carew, Jian Ling, Harold T. Duperier, III
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Publication number: 20230047167Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: October 11, 2022Publication date: February 16, 2023Inventors: Christopher A. Carew, Jian Ling
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Publication number: 20230042775Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices may include the use of an RBC flocculant, for example polyDADMAC, and an approximate blood hematocrit from the type of animal blood being evaluated, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal blood hematocrit, and a calculated RBC packing ratio “n” value for the collection device. A collection device with a BIP is disclosed. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml -1,500 ml) and veterinary (about 500 ml - 2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: October 5, 2022Publication date: February 9, 2023Inventors: Christopher A. CAREW, JIan LING
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Publication number: 20230021377Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices may include a RBC flocculant, such as polyDADMAC, and provide for an approximate blood hematocrit for a selected type of animal, as well as provide for a calculated RBC packing ratio corresponding to the collection device receiving the fluid. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood cell sedimentation volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that may include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: September 9, 2022Publication date: January 26, 2023Inventors: Christopher A. CAREW, Jian LING
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Patent number: 11559466Abstract: Disclosed is a covering/lid assembly having a first compartment, a second compartment, or both. Each compartment will comprise a top side and a bottom side, the bottom side of the compartment comprising a frangible material. The first or second compartment may comprise a first material or a second material. The first or second material may comprise a flocculated red blood cell coagulant, or a red blood cell flocculent. The material within a compartment may be selectively released upon compressing a dimple and/or button located directly above the first and/or second compartment. A collection and/or biological waste management and disposal system is presented, comprising a lid/covering assembly as described and a collection container. The lid may include a perimeter having a threaded and/or snap-on assembly suitable for securely attaching the lid to a collection canister. The collection canister may comprise a red blood cell flocculent coating.Type: GrantFiled: September 18, 2020Date of Patent: January 24, 2023Inventor: Christopher A. Carew
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Publication number: 20230008808Abstract: An insert for a holding device for reliably and accurately assessing a small volume of blood in a fluid, such as in a volume of surgical fluid collected during a surgical procedure, is provided. The insert may include a circular shelf having an outside perimeter configured to fit up against an inside perimeter of a holding device. The insert may include a center opening. The insert may include a conically-shaped collection cone disposed in the center opening. The collection cone may include a length, an interior surface comprising a red blood cell flocculant coating, a gradually decreasing perimeter terminating in a bottom apex, and a series of graduated volumetric markings along the length of the collection cone.Type: ApplicationFiled: December 3, 2020Publication date: January 12, 2023Inventor: Christopher A. CAREW
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Publication number: 20220386880Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid. Methods of detecting blood in a sample, such as a fluid sample, and kits for performing the methods, are also provided.Type: ApplicationFiled: July 22, 2022Publication date: December 8, 2022Inventors: Christopher A. Carew, Jian Ling
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Publication number: 20220381764Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, and/or blood loss from fluid collected during a surgical procedure. Methods of detecting blood in a sample, such as a fluid sample, and kits for performing the methods, are also provided. Methods for approximating a volume of blood in a fluid using a computer are also provided. The method may be performed using a computer device having a graphical user interface (GUI), a processor configured to receive information input by a user at the user interface (type of canister, red blood cell packing ratio of the canister, subject specific identifying information, blood hematocrit (Hct), etc.), and a means for the computing device to transmit to the user interface via an electronic network, a value of a volume of blood in a fluid and/or an approximate volume measure of blood loss. The processor determines a volume of blood in a fluid, and transmits the determined volume measure of blood to the user.Type: ApplicationFiled: July 29, 2022Publication date: December 1, 2022Inventors: Christopher A. Carew, David G. Handley
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Patent number: 11493501Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: GrantFiled: January 25, 2019Date of Patent: November 8, 2022Assignee: CYPHER MEDICAL, LLCInventors: Christopher A. Carew, Jian Ling
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Patent number: 11493502Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: GrantFiled: March 25, 2019Date of Patent: November 8, 2022Assignee: CYPHER MEDICAL, LLCInventors: Christopher A. Carew, Jian Ling, Harold T. Duperier, III
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Patent number: 11439310Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid. Methods of detecting blood in a sample, such as a fluid sample, and kits for performing the methods, are also provided.Type: GrantFiled: August 30, 2019Date of Patent: September 13, 2022Assignee: Cypher Medical, LLCInventors: Christopher A. Carew, Jian Ling
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Publication number: 20220205973Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: ApplicationFiled: March 17, 2022Publication date: June 30, 2022Inventors: Christopher A. Carew, Jian Ling
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Patent number: 11293913Abstract: Disclosed are methods, materials and devices for approximation of blood volume in a fluid, such as in a biological fluid collected during a surgical procedure. The method and devices include the use of a RBC flocculant, such as polyDADMAC, and an approximate blood hematocrit for the type of animal, as well as a calculated RBC packing ratio corresponding to the collection device being used. Also provided is a Blood Indicator Panel (BIP), comprising a series of markings calculated from an observed red blood settlement volume, the average animal type hematocrit, and a calculated RBC packing ratio “?” value for the collection device. Pediatric (about 200 ml or 250 ml size container), adult human (about 1,000 ml-1,500 ml) and veterinary (about 500 ml-2,500 ml) collection containers are also disclosed, that include a RBC flocculant, for use in approximating blood volume in a fluid.Type: GrantFiled: January 25, 2019Date of Patent: April 5, 2022Assignee: Cypher Medical, LLCInventors: Christopher A. Carew, Jian Ling