# US 12,594,015 B2 · Blood draw device with non-contact advancement device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,594,015 B2 - Document ID: US12594015B2 - Status: Granted - Kind: B2 - Application number: 18/237,169 - Filed: 2023-08-23 - Published: 2024-02-29 - Granted: 2026-04-07 - Earliest claimed: 2022-08-24 - Assignees: Becton, Dickinson and Company - Applicants: Becton, Dickinson and Company - Inventors: Arnold Gatoro; Megan S. Scherich; Jonathan Karl Burkholz - Web page: https://patentgrep.com/patent/US12594015B2 ## CPC - A61B 5/150992: {Blood sampling from a fluid line external to a patient, such as a catheter line, combined with an infusion line; Blood sampling from indwelling needle sets, e.g. sealable ports, luer couplings or valves} - A61M 25/0662: {Guide tubes} - A61B 5/15003: {for venous or arterial blood} - A61B 5/150206: {Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device} - A61M 25/0017: {specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections} - A61M 25/0097: {characterised by the hub (tube connectors or tube couplings A61M39/10)} - A61M 25/0113: {Mechanical advancing means, e.g. catheter dispensers} - A61M 25/0606: {"Over-the-needle" catheter assemblies, e.g. I.V. catheters} - A61M 2025/0004: {having two or more concentrically arranged tubes for forming a concentric catheter system} - A61M 2025/0175: {having telescopic features, interengaging nestable members movable in relations to one another} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - 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 Provided herein is a blood draw device that includes an introducer having a housing with a guide tube fixedly contained therein that defines as guide lumen. A catheter arrangement moveable within the guide lumen includes a catheter defining a first catheter lumen, a secondary catheter defining a second catheter lumen, and a catheter fitting coupled between the catheter and the secondary catheter to fluidly connect the first and second catheter lumens. An advancement member moveable along the introducer in the lengthwise direction includes an arrangement of pinch members positioned within the housing configured to pinch the guide tube and to move along the guide tube when the advancement member is moved. In response to moving the advancement member distally along the housing, the pinch members push the catheter fitting distally within the guide lumen, such that the catheter and secondary catheter are also advanced distally. ## Claims ### Claim 1 A blood draw device for use with a peripheral intravenous catheter (PIVC) comprising: an introducer comprising: a housing extending in a lengthwise direction between a proximal end and a distal end; and a guide tube fixedly contained within the housing and extending in the lengthwise direction, the guide tube defining a guide lumen; a catheter arrangement moveable within the guide lumen, the catheter arrangement comprising: a catheter defining a first catheter lumen and having a proximal end and a distal end; a secondary catheter defining a second catheter lumen and having a proximal end and a distal end; and a catheter fitting coupled between the proximal end of the catheter and the distal end of the secondary catheter, to fluidly connect the first and second catheter lumens; and an advancement member coupled to the introducer and moveable in the lengthwise direction, the advancement member comprising an arrangement of pinch members positioned within the housing that is configured to pinch the guide tube and to move along the guide tube when the advancement member is moved; wherein, in response to moving the advancement member distally along the housing, the arrangement of pinch members push the catheter fitting distally within the guide lumen, such that the catheter and secondary catheter are also advanced distally. ### Claim 2 (depends on 1) The blood draw device of claim 1, wherein the advancement member comprises: a push tab positioned on an outer surface of the housing and actuatable by a user to move in the lengthwise direction; and a main body joined to the push tab via a connecting portion, the main body positioned within an interior volume of the housing and including a channel formed therethrough to receive the guide tube, wherein the arrangement of pinch members is integrated with the main body; wherein the connecting portion is seated within a groove in the housing that extends in the lengthwise direction, and wherein the connecting portion is slideable within the groove to enable movement of the advancement member in the lengthwise direction. ### Claim 3 (depends on 2) The blood draw device of claim 2, wherein the arrangement of pinch members comprises a plurality of bearings seated within recesses or cavities formed in the main body, the plurality of bearings extending into the channel to pinch the guide tube. ### Claim 4 (depends on 2) The blood draw device of claim 2, wherein the arrangement of pinch members comprises a plurality of protrusions formed as part of the main body and that extend into the channel to pinch the guide tube, the plurality of protrusions comprising spherical or cylindrical protrusions. ### Claim 5 (depends on 1) The blood draw device of claim 1, wherein the arrangement of pinch members is configured such that at least one pinch member of the arrangement of pinch members is positioned on each of opposing ends of the catheter fitting, to trap the catheter fitting therebetween. ### Claim 6 (depends on 1) The blood draw device of claim 1, wherein the guide tube comprises a flexible material that deflects or bends when pinched by the arrangement of pinch members. ### Claim 7 (depends on 1) The blood draw device of claim 1, wherein the guide tube comprises a lubricant applied to the guide lumen, to facilitate movement of the catheter arrangement within the guide lumen. ### Claim 8 (depends on 1) The blood draw device of claim 1, wherein the guide tube supports movement of the catheter arrangement through the guide lumen along a full length of the housing during lengthwise movement of the advancement member, so as to prevent kinking of the catheter. ### Claim 9 (depends on 1) The blood draw device of claim 1, wherein the catheter fitting comprises a fitting body having a first end engageable with the proximal end of the catheter and a second end engageable with the distal end of the secondary catheter, the fitting body comprising a hollow structure that enables fluid flow between the catheter and the secondary catheter; and wherein the fitting body comprises a plurality of seats that engage the arrangement of pinch members, through the guide tube, such that the catheter fitting is pushed within the guide lumen in response to movement of the advancement member along the housing. ### Claim 10 (depends on 1) The blood draw device of claim 1, wherein the housing comprises an end wall at the proximal end of the housing, the end wall including an opening formed therein that receives the secondary catheter and provides for movement of the secondary catheter relative to the housing. ### Claim 11 (depends on 1) The blood draw device of claim 1, wherein the catheter and secondary catheter are advanced distally, via the arrangement of pinch members pushing the catheter fitting within the guide lumen, without direct contact between the advancement member and the catheter arrangement. ### Claim 12 (depends on 1) The blood draw device of claim 1, wherein in response to moving the advancement member proximally along the housing, the arrangement of pinch members push the catheter fitting proximally within the guide lumen, such that the catheter and secondary catheter are also retracted proximally. ### Claim 13 A blood draw device for use with a peripheral intravenous catheter (PIVC) comprising: an introducer comprising: a housing extending in a lengthwise direction between a proximal end and a distal end; and a guide tube fixedly contained within the housing and extending in the lengthwise direction, the guide tube defining a guide lumen; a catheter arrangement moveable within the guide lumen, the catheter arrangement comprising: a catheter defining a first catheter lumen and having a proximal end and a distal end; a secondary catheter defining a second catheter lumen and having a proximal end and a distal end; and a catheter fitting coupled between the proximal end of the catheter and the distal end of the secondary catheter, to fluidly connect the first and second catheter lumens; and an advancement member configured to move along the housing in the lengthwise direction and, responsive to such movement, distally advance or proximally retract the catheter arrangement in a contactless manner; wherein the advancement member comprises an arrangement of pinch members positioned within the housing that are configured to pinch the guide tube and to push the catheter fitting within the guide lumen when the advancement member is moved, thereby distally advancing or proximally retracting the catheter and the secondary catheter. ### Claim 14 (depends on 13) The blood draw device of claim 13, wherein the arrangement of pinch members is configured such that at least one pinch member of the arrangement of pinch members is positioned on each of opposing ends of the catheter fitting, to trap the catheter fitting therebetween. ### Claim 15 (depends on 13) The blood draw device of claim 13, wherein the advancement member comprises: a push tab positioned on an outer surface of the housing and actuatable by a user to move in the lengthwise direction; and a main body joined to the push tab via a connecting portion, the main body positioned within an interior volume of the housing and including a channel formed there through to receive the guide tube, wherein the arrangement of pinch members is integrated with the main body; wherein the connecting portion is seated within a groove in the housing that extends in the lengthwise direction, and wherein the connecting portion is slideable within the groove to enable movement of the advancement member in the lengthwise direction. ### Claim 16 (depends on 15) The blood draw device of claim 15, wherein the arrangement of pinch members comprises a plurality of bearings seated within recesses or cavities formed in the main body, the plurality of bearings extending into the channel to pinch the guide tube. ### Claim 17 (depends on 15) The blood draw device of claim 15, wherein the arrangement of pinch members comprises a plurality of protrusions formed integrally with the main body and that extend into the channel to pinch the guide tube, the plurality of protrusions comprising spherical or cylindrical protrusion. ### Claim 18 (depends on 13) The blood draw device of claim 13, wherein the catheter fitting comprises a fitting body having a first end engageable with the proximal end of the catheter and a second end engageable with the distal end of the secondary catheter, the fitting body comprising a hollow structure that enables fluid flow between the catheter and the secondary catheter; and wherein the fitting body comprises a plurality of seats that engage the arrangement of pinch members, through the guide tube, such that the catheter fitting is pushed within the guide lumen in response to movement of the advancement member along the housing. ### Claim 19 (depends on 13) The blood draw device of claim 13, wherein the guide tube comprises a lubricant applied to the guide lumen, to facilitate movement of the catheter arrangement within the guide lumen. ### Claim 20 (depends on 13) The blood draw device of claim 13, wherein the guide tube supports movement of the catheter arrangement through the guide lumen along a full length of the housing during lengthwise movement of the advancement member, so as to prevent kinking of the catheter during advancing or retracting thereof.