Patent ID: 11887704
Assignee: SIEMENS HEALTHCARE LIMITED
Field: Medical technology (Instruments)
Classification: CPC G  H | IPC G  H

Claim 10:
11. A computer-implemented method for sending a request for a requested medical data record of a patient, comprising:
receiving a request patient identifier corresponding to the patient;
receiving a set of joint data indices by querying a distributed ledger storing the set of joint data indices, each respective joint data index of the set of joint data indices respectively corresponding to a respective providing entity from a group of providing entities, wherein each respective joint data index of the set of joint data indices is based on a plurality of hash functions and each respective joint data index is stored in the distributed ledger by the respective providing entity, the distributed ledger being accessible by a receiving entity;
determining a hash vector by applying the plurality of hash functions to the request patient identifier;
determining a selected providing entity of the group of providing entities based on the hash vector and based on the joint data indices; and
sending a request for the requested medical data record to the selected providing entity.