# US 10,864,321 B1 · Joint capsule fluid delivery device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,864,321 B1 - Document ID: US10864321B1 - Status: Granted - Kind: B1 - Application number: 16/739,816 - Filed: 2020-01-10 - Granted: 2020-12-15 - Earliest claimed: 2019-11-25 - Applicants: Thomas Leroy Schmitz; Jesse James Corry - Inventors: Thomas Leroy Schmitz; Jesse James Corry - Web page: https://patentgrep.com/patent/US10864321B1 ## CPC - A61M 5/14244: {adapted to be carried by the patient, e.g. portable on the body} - A61M 1/73: {comprising sensors or indicators for physical values} - A61M 1/77: {Suction-irrigation systems (aspiration tips supplying fluids A61M1/85; specific for negative pressure wound therapy A61M1/92; combined with tracheal tubes A61M16/0463)} - A61M 3/0204: {Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity} - A61M 5/14228: {with linear peristaltic action, i.e. comprising at least three pressurising members or a helical member} - A61M 5/1452: {pressurised by means of pistons} - A61M 5/158: Needles {for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body} - A61M 5/16813: {by controlling the degree of opening of the flow line} - A61M 2005/2496: {via pivot} - A61M 2202/0415: Plasma - A61M 2202/0468: non-physiological - A61M 2202/0494: Obstetrical, amniotic fluid - A61M 2202/08: Lipoids - A61M 2202/09: Body tissue - A61M 2205/0238: the material being a coating or protective layer - A61M 2205/051: with radiation therapy - A61M 2205/052: infrared - A61M 2205/3306: Optical measuring means - A61M 2205/3327: Measuring - A61M 2205/3331: Pressure; Flow - A61M 2205/3334: Measuring or controlling the flow rate - A61M 2205/3344: Measuring or controlling pressure at the body treatment site - A61M 2205/50: with microprocessors or computers - A61M 2205/75: with filters - A61M 2205/7545: for solid matter, e.g. microaggregates - A61M 2205/8206: battery-operated - A61M 2209/088: on the body - A61M 2210/02: Bones - A61M 2210/086: Legs - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} ## Abstract An external medical device includes a fluid inlet, an inlet valve in fluid communication with the fluid inlet to control fluid flow through the fluid inlet in response to fluid inlet control signals, a fluid outlet in fluid communication with a fluid reservoir, a fluid pump configured to deliver a therapeutic fluid from the fluid reservoir through the fluid outlet in response to fluid outlet control signals, a fluid sensor configured to monitor the therapeutic fluid between the fluid pump and the fluid outlet and further configured to output sensor data corresponding to a monitored condition of the therapeutic fluid, and a control module configured to receive the sensor data and output, based on the sensor data, the fluid inlet control signals to the inlet valve and the fluid outlet control signals to the fluid pump. ## Claims ### Claim 1 An external medical device comprising: a wearable housing including a housing wall; a fluid inlet traversing the housing wall; an inlet control device within the housing, the inlet control device in fluid communication with the fluid inlet to control fluid flow through the fluid inlet in response to fluid inlet control signals, wherein the inlet control device is an inlet valve or an inlet pump; a fluid outlet traversing the housing wall in fluid communication with a fluid reservoir, wherein the fluid reservoir is in fluid communication with the fluid inlet such that fluid flow through the fluid inlet replenishes the fluid reservoir; a fluid pump within the housing, the fluid pump configured to deliver a therapeutic fluid from the fluid reservoir through the fluid outlet in response to fluid outlet control signals; a fluid sensor within the housing, the fluid sensor configured to monitor the therapeutic fluid between the fluid pump and the fluid outlet and further configured to output sensor data corresponding to a monitored condition of the therapeutic fluid; and a control module configured to receive the sensor data and output, based on the sensor data, the fluid inlet control signals to the inlet control device and the fluid outlet control signals to the fluid pump. ### Claim 2 (depends on 1) The external medical device of claim 1, further comprising: a first tubing segment in fluid communication with the fluid outlet; a first needle in fluid communication with the first tubing segment, the first needle being configured to access a joint capsule of a patient to facilitate infusing the joint capsule with the therapeutic fluid via the fluid outlet and the first tubing segment; a second tubing segment in fluid communication with the fluid inlet; and a second needle in fluid communication with the second tubing segment, the second needle being configured to access the joint capsule of the patient to facilitate draining the joint capsule via the second tubing segment and the fluid inlet. ### Claim 3 (depends on 1) The external medical device of claim 1, further comprising a fluid filter within a flow path within the housing between the fluid inlet and the fluid outlet. ### Claim 4 (depends on 1) The external medical device of claim 1, wherein the control module is configured to operate the inlet control device and the fluid pump to circulate the therapeutic fluid through a joint capsule of a patient according to preprogrammed flow rates while maintaining a positive fluid pressure within the joint capsule of the patient. ### Claim 5 (depends on 1) The external medical device of claim 1, wherein the sensor data includes one or more of a group consisting of: fluid pressure data; and fluid flow rate data. ### Claim 6 (depends on 1) The external medical device of claim 1, further comprising the therapeutic fluid within a flow path including the fluid pump and the fluid outlet, wherein the therapeutic fluid includes one or more of a group consisting of: platelet-rich plasma (PRP); mesenchymal stem cells; and microfragmented adipose tissue (MFAT). ### Claim 7 (depends on 1) The external medical device of claim 1, further comprising the therapeutic fluid within a flow path including the fluid pump and the fluid outlet, wherein the therapeutic fluid includes one or more of a group consisting of: Wharton's jelly; saline; hypertonic saline; hyperosmolar sugar solution; hydrogen peroxide; povidone-iodine; and antibiotics. ### Claim 8 (depends on 1) The external medical device of claim 1, further comprising a coating configured to inhibit protein and cell adhesion within a flow path within the housing, the flow path including the fluid pump and the fluid outlet. ### Claim 9 (depends on 1) The external medical device of claim 1, wherein the inlet control device is the inlet pump. ### Claim 10 (depends on 1) The external medical device of claim 1, further comprising a battery within the housing, the battery configured to supply electrical power to the fluid pump, the inlet control device, and the control module. ### Claim 11 (depends on 1) The external medical device of claim 1, wherein the inlet control device is the inlet valve. ### Claim 12 (depends on 1) The external medical device of claim 1, the external medical device of claim 1, further comprising a strap configured to secure the housing to a limb of a patient while allowing the patient to remain mobile. ### Claim 13 An external medical device comprising: a fluid inlet; an inlet control device in fluid communication with the fluid inlet to control fluid flow through the fluid inlet in response to fluid inlet control signals, wherein the inlet control device is an inlet valve or an inlet pump; a fluid reservoir, wherein the fluid reservoir is in fluid communication with the fluid inlet such that fluid flow through the fluid inlet replenishes the fluid reservoir; a fluid outlet in fluid communication with the fluid reservoir; a fluid pump configured to deliver a therapeutic fluid from the fluid reservoir through the fluid outlet in response to fluid outlet control signals; a fluid pressure sensor located outside a flow path of the therapeutic fluid and configured to monitor the therapeutic fluid through a membrane between the fluid pump and the fluid outlet and further configured to output sensor data corresponding to a monitored condition of the therapeutic fluid; and a control module configured to receive the sensor data and output, based on the sensor data, the fluid inlet control signals to the inlet control device and the fluid outlet control signals to the fluid pump. ### Claim 14 (depends on 13) The external medical device of claim 13, further comprising a light illuminating the therapeutic fluid within the fluid reservoir, the light being configured to activate and/or sanitize the therapeutic fluid. ### Claim 15 (depends on 14) The external medical device of claim 14, wherein the light includes a wavelength of a group consisting of: near-infrared; and blue. ### Claim 16 (depends on 13) The external medical device of claim 13, further comprising a port traversing the housing, the port with a self-healing membrane to facilitate filling the fluid reservoir with the therapeutic fluid. ### Claim 17 An external medical device comprising: a wearable housing including a housing wall; a fluid reservoir within the housing; a fluid outlet traversing the housing wall, the fluid outlet in fluid communication with the fluid reservoir; a fluid pump within the housing, the fluid pump configured to deliver a therapeutic fluid from the fluid reservoir through the fluid outlet in response to fluid outlet control signals; a fluid inlet traversing the housing wall; an inlet control device within the housing, the inlet control device in fluid communication with the fluid inlet and the fluid reservoir, the inlet control device being configured to control fluid flow through the fluid inlet to replenish the fluid reservoir in response to fluid inlet control signals, wherein the inlet control device is an inlet valve or an inlet pump; a fluid filter within the housing and within a flow path between the fluid inlet and the fluid outlet; a fluid sensor within the housing, the fluid sensor configured to monitor the therapeutic fluid between the fluid pump and the fluid outlet and further configured to output sensor data corresponding to a monitored condition of the therapeutic fluid; a control module configured to receive the sensor data and output, based on the sensor data, the fluid inlet control signals to the inlet control device and the fluid outlet control signals to the fluid pump; a first tubing segment in fluid communication with the fluid outlet; a first needle in fluid communication with the first tubing segment, the first needle being configured to access a joint capsule of a patient to facilitate infusing the joint capsule with the therapeutic fluid via the fluid outlet and the first tubing segment; a second tubing segment in fluid communication with the fluid inlet; and a second needle in fluid communication with the second tubing segment, the second needle being configured to access the joint capsule of the patient to facilitate draining the joint capsule via the second tubing segment and the fluid inlet. ### Claim 18 (depends on 17) The external medical device of claim 17, further comprising a light within the housing, the light configured to illuminate the therapeutic fluid within the fluid reservoir, the light being configured to activate and/or sanitize the therapeutic fluid. ### Claim 19 (depends on 17) The external medical device of claim 17, wherein the control module is configured to operate the inlet control device and the fluid pump to circulate the therapeutic fluid through the joint capsule of the patient according to preprogrammed flow rates while maintaining a positive fluid pressure within the joint capsule of the patient. ### Claim 20 (depends on 17) The external medical device of claim 17, further comprising a coating configured to inhibit protein and cell adhesion within the flow path. ### Claim 21 (depends on 17) The external medical device of claim 17, further comprising a battery within the housing, the battery configured to supply electrical power to the fluid pump, the inlet control device, and the control module. ### Claim 22 (depends on 1, 17) The external medical device of claim 1, the external medical device of claim 17, further comprising a strap configured to secure the housing to a limb of the patient while allowing the patient to remain mobile.