Multi-lumen vascular access device and related method

Abstract

A multi-lumen vascular access device is provided. A vascular access device (10) may include a first lumen (12), which may include a distal end (14) and a proximal end (16). The vascular access device may also include a second lumen (18), which may include a distal end (20) and a proximal end (22). The distal end of the second lumen may be located proximal to the distal end of the first lumen. The vascular access device may include an opening (24) or valve adjacent the distal end of the second lumen that provides access to the second lumen. The vascular access device may include a first connector (26), which may be disposed at the proximal end of the first lumen, and a second connector (28), which may be disposed at the proximal end of the second lumen.

Description

Technical Field

[0005] , ,

[0001] The present invention relates to a multi-lumen vascular access device.

Background Art

[0002] Vascular access devices such as catheters are generally used to inject fluids into a patient's vasculature. For example, a vascular access device can be used to inject standard saline, various drugs, or total parenteral nutrition. Also, a vascular access device can be used to draw blood from a patient. However, the injection of saline, various drugs, or total parenteral nutrition is stopped before drawing blood from the patient to obtain a blood sample. Therefore, the delivery of the necessary fluid to the patient can be delayed, or the clinician may need to access the patient's vasculature with another needle, resulting in potential harm to the patient.

[0003] Repeated access to a vascular access device to draw blood can allow microorganisms to enter the vascular access device, increasing the risk of infection. Repeated access to a vascular access device to draw blood can also increase the risk of thrombosis or blockage in the lumen of the vascular access device because blood flows through the device without sufficient and proper cleaning of the device.

[0004] The subject matter claimed herein is not limited to embodiments that solve any disadvantages or that operate only in the environments described above. Rather, this background art may only be provided to explain an example of the technical area in which some implementations described herein may be implemented.

Summary of the Invention

Means for Solving the Problems

[0005] This disclosure relates, in general, to vascular access devices and related systems and methods. In particular, this disclosure relates to multi-lumen vascular access devices and related systems and methods. In some embodiments, the vascular access device may include a first lumen which may include a distal end and a proximal end. In some embodiments, the vascular access device may include a second lumen which may include a distal end and a proximal end. In some embodiments, the distal end of the second lumen may be located proximal to the distal end of the first lumen. In some embodiments, the vascular access device may include an opening or valve adjacent to the distal end of the second lumen.

[0006] In some embodiments, the vascular access device may include a first connector disposed at the proximal end of the first lumen. In some embodiments, the vascular access device may include a second connector disposed at the proximal end of the second lumen. In some embodiments, the vascular access device may include a catheter adapter, which may include a distal end, a proximal end, and a partition extending between the distal and proximal ends of the catheter adapter. In some embodiments, the partition may separate the first and second lumens within the catheter adapter. In some embodiments, the first and second lumens within the catheter adapter may be concentric. In these and other embodiments, the partition may be tubular. In some embodiments, the first and second lumens may be side-by-side.

[0007] In some embodiments, the vascular access device may include a first expansion tube extending from the proximal end of the catheter adapter to a first connector. In some embodiments, the vascular access device may include a second expansion tube extending from the proximal end of the catheter adapter to a second connector. In some embodiments, the vascular access device may include a catheter extending from the proximal end of the catheter adapter. In some embodiments, the catheter may include a peripheral intravenous catheter, a peripherally inserted central venous catheter, or a midline catheter. In some embodiments, the distal end of the catheter may include one or more side holes.

[0008] In some embodiments, the entire length of the first expansion tube and catheter may include a first lumen. In some embodiments, the proximal portion of the second expansion tube and catheter may include a second lumen. In some embodiments, a partition may extend through the proximal portion of the catheter. In some embodiments, the first and second lumens within the catheter adapter and proximal portion may be side by side.

[0009] In some embodiments, the vascular access device may include a blood collection device coupled to a second connector. In some embodiments, the blood collection device may include a tube extending through the second lumen out of the opening or valve. In some embodiments, the vascular access device may include a plurality of openings or a plurality of valves. In some embodiments, the plurality of openings or a plurality of valves may be adjacent to the distal end of the second lumen.

[0010] In some embodiments, the vascular access device may include a third lumen, which may have a distal end and a proximal end. In some embodiments, the distal end of the second lumen may be proximal to the distal end of the first lumen and the distal end of the third lumen. In some embodiments, the vascular access device may include a third connector disposed at the proximal end of the third lumen. In some embodiments, the first lumen, the second lumen, and the third lumen may be arranged side by side.

[0011] In some embodiments, the partition may be a first partition. In some embodiments, the vascular access device may include a second partition extending between the distal end and the proximal end of the catheter adapter. In some embodiments, the first and second partitions may separate the first lumen, the second lumen, and the third lumen within the catheter adapter. In some embodiments, the vascular access device may include a third expansion tube extending from the proximal end of the catheter adapter to a third connector. In some embodiments, the entire length of the third expansion tube and the catheter may include the third lumen.

[0012] In some embodiments, the method may include inserting a vascular access device into the patient's vascular system. In some embodiments, the method may include drawing blood from the vascular system through a second lumen. In some embodiments, the method may include drawing blood from the vascular system through a second lumen while simultaneously injecting fluid into the vascular system through a first lumen.

[0013] In some embodiments, the vascular access device may include a valve adjacent to the distal end of the first lumen. In these and other embodiments, collecting blood from the vascular system through the second lumen may include connecting a vacuum blood collection container to a second connector. In some embodiments, the valve may open in response to connecting the vacuum blood collection container to the second connector.

[0014] In some embodiments, collecting blood from the vascular system through a second lumen may include connecting a blood collection device coupled to a second connector. In some embodiments, the blood collection device may include an instrument. In some embodiments, the instrument may include a tube, guidewire, wire, obturator, probe, sensor, or any other suitable instrument. In these and other embodiments, connecting the blood collection device to the second connector may include inserting the instrument through the second lumen to the outside of the opening or valve. In some embodiments, the method may include injecting a fluid into the vascular system through a first lumen and collecting blood from the vascular system through a second lumen, while simultaneously injecting another fluid into the vascular system through a third lumen.

[0015] It will be understood that both the general description above and the detailed description below are illustrative and descriptive, and not restrictive as described in the claims. It should be understood that various embodiments are not limited to the arrangements and fixtures shown in the drawings. Furthermore, it should be understood that embodiments may be combined, or other embodiments may be utilized, and that structural modifications may be made without departing from the scope of the various embodiments of this disclosure unless otherwise stated in the claims. Therefore, the detailed description below should not be construed as restrictive.

[0016] Exemplary embodiments will be described and explained in more specific and detail using the following attached drawings. [Brief explanation of the drawing]

[0017] [Figure 1A] This is an exemplary top perspective view of a vascular access device according to several embodiments. [Figure 1B] This is a schematic diagram showing a vascular access device, Figure 1A, inserted into a patient's vascular system, according to several embodiments. [Figure 1C]Figure 1A is a cross-sectional view of a vascular access device showing an exemplary blood collection device coupled to an exemplary connector, according to several embodiments. [Figure 1D] Figure 1A is an upward perspective view of a vascular access device, showing another exemplary blood collection device, coupled to a connector and in a retracted position, according to several embodiments. [Figure 1E] Figure 1A is an upward perspective view of a vascular access device, showing other blood collection devices connected to a connector and positioned in an advanced location, according to several embodiments. [Figure 1F] Figure 1A is an upward perspective view of a portion of a vascular access device, showing an exemplary instrument extending through an exemplary opening according to several embodiments. [Figure 1G] Figure 1A is a schematic diagram of a vascular access device, showing an instrument that extends into the patient's vascular system through an opening, according to several embodiments. [Figure 2A] This is an overhead perspective view of another exemplary vascular access device according to several embodiments. [Figure 2B] This is a cross-sectional view of the vascular access device of Figure 2A, along line 2B-2B in Figure 2A, according to several embodiments. [Figure 2C] This is a cross-sectional view of the vascular access device of Figure 2A, along line 2C-2C in Figure 2A, according to several embodiments. [Figure 2D] Figure 2A is a cross-sectional view of a vascular access device according to several embodiments. [Figure 3A] This is an overhead perspective view of another exemplary vascular access device according to several embodiments. [Figure 3B] This is a cross-sectional view of the vascular access device of Figure 3A, along line 3B-3B in Figure 3A, according to several embodiments. [Figure 3C] This is a cross-sectional view of the vascular access device of Figure 3A, along line 3C-3C in Figure 3A, according to several embodiments. [Figure 3D]Cross-sectional view of the vascular access device of FIG. 3A, according to some embodiments. [Figure 3E] Upper perspective view of a part of the vascular access device of FIG. 3A, according to some embodiments. [Figure 4A] Upper perspective view of an exemplary proximal portion of a catheter, according to some embodiments. [Figure 4B] Upper perspective view of another proximal portion of a catheter, according to some embodiments. [Figure 4C] Upper perspective view of another proximal portion of a catheter, according to some embodiments. [Figure 4D] Upper perspective view of an exemplary valve, according to some embodiments. [Figure 4E] Upper perspective view of the valve of FIG. 4D, according to some embodiments, showing the valve in an open position. [Figure 5A] Upper perspective view of another exemplary vascular access device, according to some embodiments. [Figure 5B] Cross-sectional view of the vascular access device of FIG. 5A along line 5B-5B of FIG. 5A, according to some embodiments. [Figure 5C] Cross-sectional view of the vascular access device of FIG. 5A along line 5C-5C of FIG. 5A, according to some embodiments. [Figure 5D] Cross-sectional view of the vascular access device of FIG. 5A, according to some embodiments. [Figure 5E] Upper perspective view of the vascular access device of FIG. 5A, according to some embodiments.

Mode for Carrying Out the Invention

[0018] Referring here to Figures 1A to 1C, several embodiments of the vascular access device 10 are illustrated. In some embodiments, the vascular access device 10 may include a first lumen 12, which may include a distal end 14 and a proximal end 16. In some embodiments, the vascular access device 10 may include a second lumen 18, which may include a distal end 20 and a proximal end 22. In some embodiments, the distal end 20 of the second lumen 18 may be located proximal to the distal end 14 of the first lumen 12. In some embodiments, if the catheter 40 is a midline catheter as opposed to a peripherally inserted central venous catheter, the second lumen 18 may terminate near the distal end 14 of the first lumen 12.

[0019] In some embodiments, the vascular access device 10 may include an opening 24 or a valve, the opening 24 or valve may be adjacent to the distal end 20 of the second lumen 18. In some embodiments, the vascular access device 10 may include a plurality of openings 24 or a plurality of valves, the plurality of openings 24 or a plurality of valves may be arranged along the second lumen 18.

[0020] In some embodiments, the vascular access device 10 may include a first connector 26 disposed at the proximal end 16 of the first lumen 12. In some embodiments, the vascular access device 10 may include a second connector 28 disposed at the proximal end 22 of the second lumen 18. In some embodiments, the first connector 26 and / or the second connector 28 may include male or female Luer adapters. In some embodiments, a needleless access connector (not shown) may be coupled to the first connector 26 and / or the second connector 28. In some embodiments, the first connector 26 may include a different color and / or marking from the second connector 28, thereby making it easier for clinicians to distinguish between the first lumen 12 and the second lumen 18. In some embodiments, the first expansion tube 36 may include a different color and / or marking from the second expansion tube 38, thereby making it easier for clinicians to distinguish between the first lumen 12 and the second lumen 18. In some embodiments, the needleless access connector may include a backflow prevention connector or a positive displacement connector.

[0021] In some embodiments, the vascular access device 10 may include a catheter adapter 30, which may include a distal end 32 and a proximal end 34. In some embodiments, the vascular access device 10 may include a partition 35, which may extend between the distal end 32 and the proximal end 34 of the catheter adapter 30. In some embodiments, the partition 35 may separate a first lumen 12 and a second lumen 18 within the catheter adapter 30. In some embodiments, the first lumen 12 and the second lumen 18 may be side by side, as illustrated in Figure 1C, for example.

[0022] In some embodiments, the vascular access device 10 may include a first expansion tube 36, which may extend from the proximal end 34 of the catheter adapter 30 to a first connector 26. In some embodiments, the vascular access device 10 may include a second expansion tube 38, which may extend from the proximal end 34 of the catheter adapter 30 to a second connector 28. In some embodiments, the vascular access device 10 may include a catheter 40 extending from the proximal end 34 of the catheter adapter 30. In some embodiments, the catheter 40 may include a peripheral intravenous catheter, a peripherally inserted central venous catheter, or a midline catheter. In some embodiments, the distal end 42 of the catheter 40 may include a distal opening 44 and / or one or more valves or one or more side holes 46. In some embodiments, the proximal end of the catheter 40 may be fixed within the catheter adapter 30.

[0023] In some embodiments, the entire length of the first expansion tube 36 and catheter 40 may include a first lumen 12. In some embodiments, the proximal portion 48 of the second expansion tube 38 and catheter 40 may include a second lumen 18. In some embodiments, the catheter 40 may include a portion of a partition 35, which may extend through the proximal portion 48 of the catheter 40. In some embodiments, the first lumen 12 and the second lumen 18 may be side-by-side within the catheter adapter 30 and proximal portion 48. In some embodiments, the first expansion tube 36 may include a clamp, which, in response to the clamp being in a closed position, may prevent blood from flowing through the first lumen 12. In some embodiments, the second expansion tube 38 may include a clamp, which, in response to the clamp being in a closed position, may prevent blood from flowing through the second lumen 18. In some embodiments, the clamp on the first expansion tube 36 may include a different color and / or markings from the second expansion tube 38 and / or the clamp on the second expansion tube 38, thereby making it easier for clinicians to distinguish between the first lumen 12 and the second lumen 18.

[0024] In some embodiments, the vascular access device 10 may include a blood collection device 50, which may be coupled to a second connector 28 and / or be in fluid communication with a second lumen 18. In some embodiments, the blood collection device 50 may be directly coupled to the second connector 28. In some embodiments, the blood collection device 50 may be coupled to the second connector 28 via a needleless connector. In some embodiments, the blood collection device 50 may include an instrument 54 extending out of the opening 24 or valve through the second lumen 18. In some embodiments, the instrument 54 may include a tube, guidewire, wire, obturator, probe, sensor, or any other suitable instrument. In some embodiments, multiple openings 24 or multiple valves may be adjacent to the distal end 20 of the second lumen 18.

[0025] In some embodiments, the blood collection device 50 may include or correspond to a blood collection container. In some embodiments, the blood collection container may include a syringe, a vacuum blood collection tube, a miniature sample collection device, or any other container. In some embodiments, the blood collection device 50 may include a VACUTAINER® or VACUTAINER® LUER-LOK®, available from Becton Dickinson and Company in Franklin Lake, New Jersey, which can be configured to receive a blood collection container. In some embodiments, the blood collection device 50 may include a needle 52, which may be configured to be inserted into the blood collection container. In some embodiments, the needle 52 may be disposed within an elastomer sheath. In some embodiments, in response to the blood collection container pushing distally against the elastomer sheath, the needle 52 may penetrate the elastomer sheath and be inserted into the blood collection container.

[0026] In some embodiments, the vascular access device 10 may facilitate the acquisition of blood samples from a second lumen 18, bypassing the first lumen 12. Thus, in some embodiments, blood samples may be acquired through a lumen dedicated to blood collection. In some embodiments, blood collection through the second lumen 18 may be used for blood collection to reduce the risk of thrombus formation within the vascular access device 10 and reduce the risk of microbial introduction and other complications associated with repeated blood collection from vascular access devices such as catheters. In some embodiments, the second lumen 18 may provide access to a blood collection device 50 and / or facilitate the function of drawing blood into the vascular access device 10 through an opening 24 and / or a valve.

[0027] In some embodiments, a blood sample may be collected directly from the second lumen 18. For example, blood may flow into the second lumen 18 through the opening 24 and / or valve. The blood may then flow through the second lumen 18, through the second connector 28, and proximately into the blood collection device 50. In some embodiments, in response to suction of the second lumen 18, blood may be drawn into the second lumen 18 and the blood collection device 50, while the first lumen 12 remains unaffected.

[0028] In some embodiments, the vascular access device 10 can facilitate the positioning of a second lumen 18 within a large vein with a good catheter-to-vein ratio and blood flow. Thus, the vascular access device 10 can facilitate the collection of a desired blood volume with a high success rate without causing complications associated with a high catheter-to-vein ratio. In some embodiments, corresponding to the placement of the vascular access device 10 in the patient's upper arm, blood can be obtained from a large vein with better blood flow and availability than veins typically accessed by peripheral intravenous catheters. In some embodiments, the second lumen 18 can be used to administer drugs at a location remote from the distal end 14 of the first lumen 12, thereby reducing concerns about potentially incompatible drugs.

[0029] In some embodiments, the method may include inserting a vascular access device 10 into the patient's vascular system, as illustrated, for example, in Figure 1B. In some embodiments, the method may include drawing blood from the vascular system through a second lumen 18. In some embodiments, the method may include drawing blood from the vascular system through the second lumen 18 while simultaneously injecting fluid into the vascular system through the first lumen 12.

[0030] Referring to Figures 1C to 1G, in some embodiments, the blood collection device 50 may include an instrument 54. In some embodiments, the blood collection device 50 may be coupled to a second connector 28 and / or extend through a second lumen 18 outside the opening 24 or valve. Thus, the instrument 54 may access the vascular system 55, for example as illustrated in Figure 1G, and blood may flow through the instrument 54 for collection. In some embodiments, another suitable instrument, such as a probe, may extend through the second lumen 18 outside the opening 24 or valve. In some embodiments, the vascular access device 10 facilitates access to a large vein with good blood flow, thereby reducing the possibility of trauma from the instrument 54, as there is more space for the instrument 54 to advance into the vein without rubbing against the vein wall.

[0031] In some embodiments, collecting blood from the vascular system through the second lumen 18 may include connecting a blood collection device to the second connector 28. In some embodiments, the blood collection device may include an instrument 54. In these and other embodiments, connecting the blood collection device to the second connector 28 may include inserting the instrument 54 through the second lumen 18 to the outside of the opening 24 or valve.

[0032] As shown in Figures 1D to 1E, in some embodiments, the blood collection device 50 may include a delivery device 56. In some embodiments, the instrument 54 may be delivered through the second lumen 18 via the delivery device 56 to the outside of the opening 24 or valve. In some embodiments, the delivery device 56 may include a forwarding element 58. In some embodiments, the forwarding element 58 may include a tab or grip which can be moved by a clinician to advance the instrument 54 distally and / or retract the instrument 54 proximal. In some embodiments, the forwarding element 58 may be coupled to the instrument 54. In some embodiments, the forwarding element 58 may be slidable along a slot 60 disposed within the housing 62.

[0033] In some embodiments, the delivery device 56 may include any suitable delivery device, for example, U.S. Patent Application No. 16 / 037,246, filed July 17, 2018, entitled "Expanded Housing, Probe or Intravascular Catheter," U.S. Patent Application No. 16 / 388,650, filed April 18, 2019, entitled "Delivery Device for Instrument Having a Rotating Element," U.S. Patent Application No. 16 / 037,319, filed July 17, 2018, entitled "Catheter Having Multiple Diameters and Related Devices and Methods," and "Delivery Device for Vascular Access Instruments," filed July 3, 2019. This is further described in U.S. Patent Application No. 16 / 502,541, filed November 21, 2019, titled "Syringe-type delivery device for vascular access instruments," U.S. Patent Application No. 16 / 691,217, filed January 14, 2020, titled "Catheter delivery device and related systems and methods," and U.S. Patent Application No. 16 / 742,013, filed April 2, 2020, titled "Vascular access instrument having a fluid permeable structure and related devices and methods," which are incorporated in their entirety by reference, respectively.

[0034] Referring here to Figures 2A to 2D, several embodiments of the vascular access device 64 are illustrated. In some embodiments, the vascular access device 64 may be similar to or identical to the vascular access device 10 in Figures 1A to 1G in terms of one or more functional parts and / or operation. In some embodiments, the first lumen 12 and the second lumen 18 in the catheter adapter 30 and / or proximal portion 48 may be concentric. In these embodiments and other embodiments, the partition 35 may be tubular. In some embodiments, the partition 35 may be formed integrally with the first expansion tube 36 as a standalone unit or monolithically. In some embodiments, the partition 35 may be formed integrally with the catheter adapter 30 as a standalone unit or monolithically.

[0035] In some embodiments, the second lumen 18 may include an annular space that tapers or abruptly ends proximal to the distal end 14 of the first lumen 12. In some embodiments, one or more openings 24 or one or more valves may extend through the wall of the catheter 40 to provide fluid communication between the second lumen 18 and the vascular system. In some embodiments, the second lumen 18 may surround the first lumen 12 and / or be positioned laterally relative to the first lumen 12, thereby allowing the instrument 54 to easily access the vascular system.

[0036] Referring here to Figures 3A to 3E, several embodiments of the vascular access device 66 are illustrated. In some embodiments, the vascular access device 66 may be similar to or identical to the vascular access device 10 in Figures 1A to 1G in terms of one or more functional parts and / or operation. In some embodiments, the first lumen 12 and the second lumen 18 may be side by side within the catheter adapter 30 and / or proximal portion 48.

[0037] In some embodiments, the second lumen 18 tapers or abruptly ends proximal to the distal end 14 of the first lumen 12. In some embodiments, one or more openings 24 and / or one or more valves may extend through the wall of the catheter 40 to provide fluid communication between the second lumen 18 and the vascular system. In some embodiments, the openings 24 or valves may be arranged in a pattern along the entire length or part of the catheter 40. In some embodiments, the openings 24 and / or valves may be arranged, for example, in a linear pattern along the longitudinal axis of the catheter 40, or radially around the catheter 40. In some embodiments, the second lumen 18 may be positioned laterally to the first lumen 12, which may facilitate access of the instrument 54 to the vascular system.

[0038] Referring here to Figures 4A to 4C, the proximal portion 48 of the catheter 40 may include multiple openings 24 (see, for example, Figure 4A), a single opening 24 (see, for example, Figure 4B), or a valve 68 (see, for example, Figure 4C). In some embodiments, multiple openings 24 may provide multiple fluid pathways for blood to enter the second lumen 18, which can facilitate successful blood collection by preventing occlusion if one or more particular openings 24 are blocked by a vein wall or occluded by a thrombus, etc.

[0039] In some embodiments, the valve 68 may prevent blood from entering the second lumen 18, thereby reducing the risk of infection. In some embodiments, the valve 68 may include a slit valve. In these and other embodiments, the valve 68 may be bidirectional. In some embodiments, the valve 68 may open outward in response to positive pressure and / or open inward in response to negative pressure. In some embodiments, the proximal portion 48 of the catheter may include a plurality of valves 68. Referring now to Figures 4D to 4E, in some embodiments, the valve 68 may be configured to open in response to a predetermined pressure difference. In some embodiments, the valve 68 may open in response to the connection of the vacuum blood collection tube to a vascular access device, such as vascular access device 10, vascular access device 64, or vascular access device 66.

[0040] Referring here to Figures 5A to 5E, several embodiments of the vascular access device 70 are illustrated. In some embodiments, the vascular access device 70 may be similar or identical in terms of one or more functional parts and / or operation to one or more of the vascular access devices 10 in Figures 1A to 1G, 64 in Figures 2A to 2D, and 66 in Figures 3A to 3E. In some embodiments, the vascular access device 70 may include more than two lumens extending through it. In some embodiments, the vascular access device 70 may include a third lumen 72, which may include a distal end 74 and a proximal end 76. In some embodiments, the distal end 74 of the second lumen 18 may be close to the distal end 14 of the first lumen 12 and the distal end 74 of the third lumen 72. In some embodiments, the vascular access device 70 may include a third connector 78 disposed at the proximal end 76 of the third lumen 72. In some embodiments, the first lumen 12, the second lumen 18, and the third lumen 72 may be side by side and arranged in various configurations relative to each other. In some embodiments, the method may include injecting a fluid into the vascular system through the first lumen 12, drawing blood from the vascular system through the second lumen 18, and simultaneously injecting another fluid into the vascular system through the third lumen 72.

[0041] In some embodiments, partition 35 may be a first partition. In some embodiments, the vascular access device 70 may include a second partition 80, which may extend between the distal end 32 of the catheter adapter 30 and the proximal end 34 of the catheter adapter 30. In some embodiments, the first partition and / or the second partition 80 may extend through the proximal portion 48 of the catheter 40. In some embodiments, the second partition 80 may extend through the distal end 42 of the catheter 40, separating the first lumen 12 and the third lumen 72 within the distal portion of the catheter 40. In some embodiments, the first partition and the second partition 80 may separate the first lumen 12, the second lumen 18, and the third lumen 72 within the proximal portion 48 of the catheter adapter 30 and / or the catheter 40. In some embodiments, the vascular access device 70 may include a third expansion tube 82, which may extend from the proximal end 34 of the catheter adapter 30 to a third connector 78. In some embodiments, the entire length of the third expansion tube 82 and the catheter 40 may include a third lumen 72. In some embodiments, a needleless access connector (not shown) may be disposed to and / or between the delivery device 56 and the third connector 78.

[0042] All examples and conditional statements described herein are intended for educational purposes to help the reader understand the disclosure and the concepts provided by the inventors to advance the art, and are not limited to such specifically described examples and conditions. While embodiments of the disclosure have been described in detail, it should be understood that various changes, substitutions, and modifications are possible without departing from the spirit and scope of the disclosure. [Explanation of Symbols]

[0043] 10, 64, 66, 70 Vascular access devices 12 First Lumen 18. Second Lumen 72 Third Lumen 14, 20, 32, 42, 74 distal end 16, 22, 34, 76 Proximal end 24 openings 26 First connector 28 Second connector 78 Third connector 30 Catheter Adapters 35 compartments 36 First expansion tube 38. Second expansion tube 82 Third expansion tube 40 Catheters 44 Distal opening 46 Side hole 48 Proximal portion 50 Blood sampling devices 52 needles 54 Equipment 55 Vascular system 56 Delivery Devices 58 forward elements 60 slots 62 cabinets 68 valves

Claims

1. A first lumen including the distal and proximal ends, A second lumen comprising a distal end and a proximal end, wherein the distal end of the second lumen is located proximal to the distal end of the first lumen, A first connector disposed at the proximal end of the first lumen, A second connector disposed at the proximal end of the second lumen, A catheter adapter including a distal end and a proximal end, The catheter comprises a catheter extending distally from the catheter adapter, The catheter includes a plurality of openings that define at least a portion of the first lumen and a portion of the second lumen, and are formed to communicate fluidly with the second lumen, the plurality of openings being spaced apart along the longitudinal axis of the catheter and extending along the entire length between the distal end of the catheter adapter and the distal end of the second lumen, and the catheter includes a distal opening that communicates fluidly with the first lumen and one or more side holes formed in the catheter, the distal opening and the one or more side holes being formed in the catheter distal to the distal end of the second lumen. Vascular access devices.

2. The vascular access device according to claim 1, wherein the first lumen and the second lumen in the catheter adapter are concentric.

3. The vascular access device according to claim 1, wherein the first lumen and the second lumen are side by side.

4. The catheter adapter includes a distal end, a proximal end, and a partition extending between the distal end and the proximal end of the catheter adapter, the partition separating the first lumen and the second lumen within the catheter adapter. The vascular access device is A first expansion tube extending from the proximal end of the catheter adapter to the first connector, The catheter adapter comprises a second expansion tube extending from the proximal end to the second connector, The entire length of the first expansion tube and the catheter constitutes the first lumen. The vascular access device according to claim 1, wherein the second expansion tube and the proximal portion of the catheter constitute the second lumen, and the partition extends through the proximal portion of the catheter.

5. The vascular access device according to claim 4, wherein the first lumen and the second lumen in the catheter adapter and the proximal portion are concentric, and the partition is tubular.

6. The vascular access device according to claim 4, wherein the catheter adapter and the first lumen and the second lumen in the proximal portion are arranged side by side.

7. The vascular access device according to claim 1, wherein the catheter is configured to collect blood from the patient's vascular system through the second lumen and to simultaneously inject fluid into the patient's vascular system through the first lumen.

8. A first lumen including the distal and proximal ends, A second lumen including the distal and proximal ends, A third lumen including a distal end and a proximal end, wherein the distal end of the second lumen is located proximal to the distal end of the first lumen and the distal end of the third lumen, A first connector located at the proximal end of the first lumen, A second connector located at the proximal end of the second lumen, A third connector disposed at the proximal end of the third lumen, A catheter adapter including a distal end and a proximal end, The catheter comprises a catheter extending distally from the catheter adapter, The catheter defines at least a portion of the first lumen, a portion of the second lumen, and a portion of the third lumen, and the catheter includes a plurality of openings formed to communicate fluidly with the second lumen, the plurality of openings being spaced apart along the longitudinal axis of the catheter and extending along the entire length between the distal end of the catheter adapter and the distal end of the second lumen. Vascular access devices.

9. The vascular access device according to claim 8, wherein the first lumen, the second lumen, and the third lumen are arranged side by side.

10. The catheter adapter includes a distal end, a proximal end, a first partition extending between the distal end and the proximal end of the catheter adapter, and a second partition extending between the distal end and the proximal end of the catheter adapter, wherein the first partition and the second partition separate the first lumen, the second lumen, and the third lumen within the catheter adapter. The vascular access device is A first expansion tube extending from the proximal end of the catheter adapter to the first connector, A second expansion tube extending from the proximal end of the catheter adapter to the second connector, The catheter adapter comprises a third expansion tube extending from the proximal end to the third connector, The entire length of the first expansion tube and the catheter constitutes the first lumen. The second expansion tube and the proximal portion of the catheter constitute the second lumen, and the first partition and the second partition extend through the proximal portion of the catheter. The vascular access device according to claim 8, wherein the total length of the third expansion tube and the catheter constitutes the third lumen.

11. The vascular access device according to claim 10, further comprising a plurality of holes in the distal end of the catheter.

12. The vascular access device according to claim 8, further comprising a blood collection device coupled to the second connector, wherein the blood collection device includes a tube extending out of the opening through the second lumen.

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