# US 10,441,727 B2 · Huber safety needle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,441,727 B2 - Document ID: US10441727B2 - Status: Granted - Kind: B2 - Application number: 15/461,578 - Filed: 2017-03-17 - Published: 2017-09-21 - Granted: 2019-10-15 - Earliest claimed: 2016-03-18 - Assignees: Medical Components, Inc. - Applicants: Medical Components, Inc. - Inventors: Kurt Shimer; Matthew Gunn; Raymond Bizup - Web page: https://patentgrep.com/patent/US10441727B2 ## CPC - A61M 5/3232: {Semi-automatic needle retraction, i.e. in which triggering of the needle retraction requires a deliberate action by the user, e.g. manual release of spring-biased retraction means} - A61M 5/158: Needles {for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body} - A61M 5/3137: {with finger grip means, e.g. for easy manipulation of the syringe rod} - A61M 5/3221: {Constructional features thereof, e.g. to improve manipulation or functioning} - 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 5/3275: {being connected to the needle hub or syringe by radially deflectable members, e.g. longitudinal slats, cords or bands} - A61M 5/34: Constructions for connecting the needle {, e.g. to syringe nozzle or needle hub (connecting catheter tubes to hubs A61M25/0014)} - A61M 25/0612: {Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders} - A61M 25/0625: {with a permanent connection to the needle hub, e.g. a guiding rail, a locking mechanism or a guard advancement mechanism} - A61M 2005/1581: {Right-angle needle-type devices} - A61M 2005/3247: {Means to impede repositioning of protection sleeve from needle covering to needle uncovering position} - A61M 2005/342: {Off-center needles, i.e. needle connections not being coaxial with the longitudinal symmetry axis of syringe barrel} - A61M 2205/581: by audible feedback - 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 Disclosed is a Huber needle assembly that may include an upper body connected to a lower body, the assembly being structured to retain a needle for insertion/extraction of the needle into/from an insertion site. The upper body can statically retain the needle while the lower body may slidably receive the needle. The lower body can further include a catch that engages a tip of the needle and/or misaligns the tip of the needle with a needle aperture of the lower body to place the assembly in a safety-lock position, preventing rebound, needle-stick injury, and/or any type of exposure of the needle tip to an environment outside of the lower body. The assembly can further bias the needle in a direction so as to prevent re-emergence of the needle tip after being withdrawn into the lower body. ## Claims ### Claim 1 A Huber needle assembly, comprising: an upper body mechanically and operatively connected with a lower body so as to provide support for a needle and facilitate a movement of the upper body along an operational longitudinal direction of the assembly to cause the needle to move relative to the lower body; wherein the lower body has a lower body needle aperture formed within a portion thereof and a catch formed adjacent the lower body needle aperture; wherein the needle comprises a needle shaft leading to a needle tip, wherein both of the needle shaft and the needle tip are slidably received by the lower body needle aperture; wherein a movement of the upper body away from the lower body retracts the needle tip within the lower body through the lower body needle aperture and urges the needle in an operational latitudinal direction wherein the needle is further biased in the operational latitudinal direction via an advancing assist configured to make contact with or engage the needle shaft; wherein the lower body tilts relative to the needle shaft to facilitate an engagement of the needle tip with the catch, whereby when the needle tip enters a portion of the catch, the needle tip has a misalignment with the lower body needle aperture and engages with the catch. ### Claim 2 (depends on 1) The Huber needle assembly recited in claim 1, wherein the upper body and the lower body are connected by a connector, the connector limiting a distance at which the upper body is separated from the lower body so that the needle tip does not extend beyond a top of the lower body. ### Claim 3 (depends on 2) The Huber needle assembly recited in claim 2, wherein the advancing assist is disposed on a portion of the connector, and the movement of the upper body away from the lower body forces the advancing assist to make contact with the needle shaft and further urges the needle in the operational latitudinal direction. ### Claim 4 (depends on 3) The Huber needle assembly recited in claim 3, wherein the advancing assist protrudes from a lower portion of the connector, whereby the movement of the upper body away from the lower body forces the advancing assist to contact the needle shaft. ### Claim 5 (depends on 1) The Huber needle assembly recited in claim 1, wherein the catch comprises a well having a bottom surface and at least a portion of the bottom surface is sloped and/or flat. ### Claim 6 (depends on 1) The Huber needle assembly recited in claim 1, wherein when the engagement of the needle tip with the catch occurs, an audible sound emanates. ### Claim 7 (depends on 1) The Huber needle assembly recited in claim 1, wherein the advancing assist comprises a channel to guide the needle shaft into a detent or recess of the advancing assist. ### Claim 8 A Huber needle assembly, comprising: a needle comprising a needle shaft leading to a needle tip; an upper body having an upper body needle aperture formed therein; a lower body having a lower body needle aperture and a well, wherein the lower body needle aperture leads into at least a portion of the well, wherein a volume of space extending from a well bottom surface to a top of the lower body is an enveloping structure; and, a connector connecting the upper body to the lower body, the connector facilitating a movement of the upper body along an operational longitudinal direction and limiting a separation distance between the upper body and the lower body to prevent the needle tip from extending beyond the top of the lower body; wherein a movement of the upper body away from the lower body retracts the needle tip within the lower body through the lower body needle aperture and biases the needle away from the lower body needle aperture; and wherein the needle is biased in an operational latitudinal direction via an advancing assist configured to make contact with or engage the needle shaft, whereby urging the needle in the operational latitudinal direction. ### Claim 9 (depends on 8) The Huber needle assembly recited in claim 8, wherein biasing the needle causes the needle tip to become misaligned with the lower body needle aperture and to engage with the portion of the well. ### Claim 10 (depends on 8) The Huber needle assembly recited in claim 8, wherein: the connector is connected to the upper body by an upper body connection; the connector is connected to the lower body by a lower body connection; and, at least one of a geometric plane of the upper body connection and a geometric plane of the lower body connection is offset from an axis of the operational longitudinal direction. ### Claim 11 (depends on 8) The Huber needle assembly recited in claim 8, wherein biasing the needle comprises at least one of: urging the needle in a forward operational latitudinal direction when the upper body is moved away from the lower body; and, preventing the needle tip from moving in a rearward operational latitudinal direction after the needle tip has entered the enveloping structure. ### Claim 12 (depends on 8) The Huber needle assembly recited in claim 8, wherein the enveloping structure is configured to envelope the needle tip after the needle tip has entered the enveloping structure, preventing exposure of the needle tip to an environment outside of the enveloping structure. ### Claim 13 (depends on 8) The Huber needle assembly recited in claim 8, wherein the enveloping structure further comprises a flange extension disposed on the top of the lower body. ### Claim 14 (depends on 8) The Huber needle assembly recited in claim 8, wherein the biasing of the needle further comprises generating an audible sound. ### Claim 15 (depends on 8) The Huber needle assembly recited in claim 8, wherein the lower body tilts relative to the needle shaft to facilitate the biasing of the needle. ### Claim 16 (depends on 8) The Huber needle assembly recited in claim 8, wherein the advancing assist is disposed on a portion of the connector. ### Claim 17 (depends on 16) The Huber needle assembly recited in claim 16, wherein the advancing assist protrudes from a lower portion of the connector, whereby the movement of the upper body away from the lower body forces the advancing assist to contact the needle shaft. ### Claim 18 (depends on 8) The Huber needle assembly recited in claim 8, wherein the advancing assist comprises a channel to guide the needle shaft into a detent or recess of the advancing assist. ### Claim 19 A Huber needle assembly, comprising: a needle comprising a needle shaft leading to a needle tip; an upper body having an upper body needle aperture formed therein; a lower body having a lower body needle aperture and a well, wherein the lower body needle aperture leads into at least a portion of the well; a connector connecting the upper body to the lower body, the connector facilitating a movement of the upper body along an operational longitudinal direction and limiting a separation distance between the upper body and the lower body to prevent the needle tip from extending beyond a top of the lower body; and, a biasing means to bias the needle away from the lower body needle aperture wherein the biasing means comprises an advancing assist configured to impose a force on the needle. ### Claim 20 (depends on 19) The Huber needle assembly recited in claim 19, wherein a movement of the upper body away from the lower body retracts the needle tip within the lower body through the lower body needle aperture and the biasing means urges the needle away from the lower body needle aperture. ### Claim 21 (depends on 19) The Huber needle assembly recited in claim 19, wherein the biasing means causes a tilting motion of the lower body relative to the needle shaft. ### Claim 22 (depends on 19) The Huber needle assembly recited in claim 19, wherein the biasing of the needle further comprises generating an audible sound. ### Claim 23 (depends on 19) The Huber needle assembly recited in claim 19, wherein the advancing assist comprises a channel to guide the needle shaft into a detent or recess of the advancing assist. ### Claim 24 (depends on 19) The Huber needle assembly recited in claim 19, wherein at least one of the advancing assist and a spring is disposed on a portion of the connector, whereby the movement of the upper body along the operational longitudinal direction forces the at least one of the advancing assist and the spring to contact the needle shaft.