# US 10,765,816 B2 · Safety syringe and methods of making and using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,765,816 B2 - Document ID: US10765816B2 - Status: Granted - Kind: B2 - Application number: 16/056,925 - Filed: 2018-08-07 - Published: 2020-02-13 - Granted: 2020-09-08 - Earliest claimed: 2018-08-07 - Applicants: Gina DiGiacomo - Inventors: Gina DiGiacomo - Web page: https://patentgrep.com/patent/US10765816B2 ## CPC - A61M 5/3243: {being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel (devices for protecting guide needles in combination with catheters A61M25/0612)} - A61M 5/3245: {Constructional features thereof, e.g. to improve manipulation or functioning} - A61M 5/3202: {Devices for protection of the needle before use, e.g. caps (A61M5/50 takes precedence; protectors for sharps A61B50/3001)} - A61M 5/3257: {Semi-automatic sleeve extension, i.e. in which triggering of the sleeve extension requires a deliberate action by the user, e.g. manual release of spring-biased extension means} - A61M 2005/3247: {Means to impede repositioning of protection sleeve from needle covering to needle uncovering position} - 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 A syringe safety device is disclosed herein that comprises a shaft configured to support a barrel of a syringe, a guard configured to be disposed inside the shaft before the syringe is used and to extend outwardly from the shaft after the syringe is used, and a lock disposed between the guard and the shaft having a lock head disposed at a first end thereof, the lock head being disposed in a first aperture in the shaft before the syringe is used and in a second aperture in the shaft after the syringe has been used. A method of using the device also is described. ## Claims ### Claim 1 A syringe safety device, comprising: a shaft configured to support a barrel of a syringe, the shaft having an elongated wall with a first aperture, and a second aperture longitudinally spaced from the first aperture, a guard configured to be disposed inside the shaft before the syringe is used and to extend outwardly from the shaft after the syringe is used, and a lock disposed between the guard and the shaft, the lock having a lock head disposed at a first end thereof, the lock head being disposed in the first aperture before the syringe is used and in the second aperture after the syringe is used. ### Claim 2 (depends on 1) The syringe safety device of claim 1, wherein the guard is configured to surround a needle after the syringe is used. ### Claim 3 (depends on 1) The syringe safety device of claim 1, wherein the guard has an elongated slot providing a clearance space for the lock. ### Claim 4 (depends on 1) The syringe safety device of claim 1, wherein the lock includes a guard mount disposed at a second end thereof, the guard mount being configured to keep the guard from leaving the shaft after use. ### Claim 5 (depends on 1) The syringe safety device of claim 1, wherein the shaft includes a flange holder configured to support a flange of the syringe during use of the device. ### Claim 6 (depends on 5) The syringe safety device of claim 5, wherein the flange holder comprises a first flange portion and a second flange portion. ### Claim 7 (depends on 6) The syringe safety device of claim 6, wherein the first flange portion and the second flange portion are configured to hold the flange of the syringe therebetween. ### Claim 8 (depends on 1) A method of giving an injection using the syringe safety device of claim 1. ### Claim 9 (depends on 1) The syringe safety device of claim 1, wherein the shaft comprises a spring housing including an elongated hole configured to receive a spring, the spring being used to deploy the guard. ### Claim 10 A syringe safety device, comprising: a shaft configured to support a barrel of a syringe, the shaft having an elongated wall with a first aperture, and a second aperture longitudinally spaced from the first aperture, a flange holder configured to hold a flange of the syringe, the flange holder comprising a first flange pair and a second flange pair each including a first flange portion and a second flange portion separated by a space, a guard configured to be disposed inside the shaft before the syringe is used and to extend outwardly from the shaft after the syringe is used, and a lock disposed between the guard and the shaft, the lock having a lock head disposed at a first end thereof, the lock head being disposed in the first aperture before the syringe is used and in the second aperture after the syringe is used. ### Claim 11 (depends on 10) The syringe safety device of claim 10, wherein the lock includes a guard mount disposed at a second end thereof, the guard mount being configured to keep the guard from leaving the shaft after use. ### Claim 12 (depends on 10) The syringe safety device of claim 10, wherein the shaft comprises a spring housing including an elongated hole configured to receive a spring, the spring being used to deploy the guard. ### Claim 13 (depends on 10) A method of giving an injection using the syringe safety device of claim 10.