Catheter system

Through the design of the catheter hub, needle safety clip and flexible arms in the catheter system, the safety problems of the guide needle during the insertion and withdrawal process are solved, and the safe extraction and operation convenience of the guide needle is achieved.

CN223068914UActive Publication Date: 2025-07-08BECTON DICKINSON & CO
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Patent Information

Application Number
CN202421149349.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-05-08
Filing Date
2024-05-24
Publication Date
2025-07-08
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

When existing catheter systems are inserted into the patient's vasculature, it is difficult to effectively protect the safety and convenience of the guide needle, especially during the assembly and withdrawal of the catheter and guide needle.

Method used

A catheter system is designed, including a catheter hub, a needle safety clip, a guide wire and a flexible arm structure. Through the movement and linkage of multiple positions, the coordinated movement of the guide wire and the slider of the catheter hub is realized, ensuring the safe clamping and smooth extraction of the guide needle.

Benefits of technology

The safety and reliability of the guide needle is achieved, reducing the risk of damage to patients, and improving the convenience and safety of operation.

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Abstract

A catheter system may include a catheter assembly and a needle safety clip disposed within a safety canister proximal to the catheter assembly. The catheter system may include a barrel, a needle hub secured to the barrel, an introducer needle secured within the needle hub, a catheter hub slide, a guidewire slide, and a guidewire coupled to the guidewire slide. In response to movement of the catheter system from the first position to the second position, the guidewire slide may be pushed over the flexible arm of the catheter hub slide such that the flexible arm is removed from contact with the needle hub, and the catheter hub slide is configured to slide from a proximal position of the catheter hub slide to a distal advanced position.
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Description

Technical Field

[0001] The present application relates to a catheter system, and more particularly, to a catheter system having a guide wire and a needle safety clip. Background Art

[0002] Catheters are commonly used in various infusion therapies. For example, catheters can be used to infuse fluids into a patient, such as saline solutions, various medications, and total parenteral nutrition. Catheters can also be used to draw blood from a patient.

[0003] One common type of catheter device includes a catheter that is sleeved over a needle. As the name implies, a catheter over a needle can be mounted on a guide needle having a sharp distal end. The catheter assembly can include a catheter hub from which the catheter extends distally, and the guide needle extends through the catheter. The catheter and the guide needle can be assembled such that the distal end of the guide needle extends beyond the distal end of the catheter, and the bevel of the needle faces away from the patient's skin upward. The catheter and the guide needle are typically inserted into the patient's vasculature through the skin at a shallow angle.

[0004] The subject matter claimed herein is not limited to embodiments that solve any disadvantages or operate only in environments such as those described above. Rather, this background is provided only to illustrate an example technical field in which some of the embodiments described herein may be practiced. Summary of the Utility Model

[0005] The present disclosure generally relates to vascular access devices, systems, and methods. In particular, the present disclosure relates to a catheter system having a guide wire and a needle safety clip, as well as related devices and methods.

[0006] In some embodiments, the catheter system can include a catheter assembly, and the catheter assembly can include a catheter hub. In some embodiments, the catheter hub can include a distal end, a proximal end, and a lumen extending through the distal end of the catheter hub and the proximal end of the catheter hub. In some embodiments, the catheter system can include a catheter that can include a distal end and can extend from the distal end of the catheter hub. In some embodiments, the catheter system can include a needle safety clip disposed within a safety canister, and the safety canister is disposed proximal to the catheter hub.

[0007] In some embodiments, the catheter system can include a barrel that can include a distal end and a proximal end. In some embodiments, the catheter system can include a needle hub fixed to the barrel. In some embodiments, the catheter system can include a guide needle that can include a sharp distal end and a proximal end. In some embodiments, the proximal end of the guide needle can be fixedly connected within the needle hub.

[0008] In some embodiments, the catheter system may include a catheter hub slider, and the catheter hub slider may include a flexible arm. In some embodiments, the flexible arm may be within the distally extending arm of the catheter hub slider and be part of the distally extending arm. In some embodiments, the catheter system may include a guidewire, and the guidewire may include a first end and a second end. In some embodiments, the first end of the guidewire may be configured to be advanced distally through a guide needle. In some embodiments, the catheter system may include a guidewire slider.

[0009] In some embodiments, the catheter system may be configured to move from a first position to a second position. In some embodiments, when the catheter system is in the first position, the guidewire slider may be disposed at a proximal position of the guidewire slider and be configured to slide from the proximal position of the guidewire slider to a distal position to advance the guidewire distally. In some embodiments, when the catheter system is in the first position, the catheter hub slider may be disposed at a proximal position of the catheter hub slider. In some embodiments, when the catheter system is in the first position, the flexible arm of the catheter hub slider may contact the needle hub to prevent the catheter hub slider from sliding from the proximal position of the catheter hub slider to a distal advancement position.

[0010] In some embodiments, when the catheter system is in the second position, the guidewire slider may be disposed at a distal position such that the guidewire is advanced beyond the distal end of the catheter. In some embodiments, when the catheter system is in the second position, the catheter hub slider may be disposed at a proximal position of the catheter hub slider. In some embodiments, when the catheter system is in the second position, the distally extending arm of the catheter hub slider may be coupled to the catheter assembly to prevent the catheter hub slider from moving distally and proximally relative to the catheter hub. In some embodiments, in response to the movement of the catheter system from the first position to the second position, the guidewire slider may be pushed out on the flexible arm such that the flexible arm is removed from contact with the needle hub, and the catheter hub slider is configured to slide from the proximal position of the catheter hub slider to a distal advancement position. In some embodiments, when the catheter system is in the second position, the guidewire slider may be configured to slide back and forth between the proximal position and the distal position of the guidewire slider.

[0011] In some embodiments, the second end of the guidewire may be fixed within a barrel. In some embodiments, the second end of the guidewire may be fixed within the needle hub. In some embodiments, the guidewire slider may include a U-shaped slot therethrough. In some embodiments, when the catheter system is in the first position, the guidewire may be disposed in the U-shaped slot in a double-throw configuration such that the advancement ratio between the first end of the guidewire and the guidewire slider is 2:1. In some embodiments, the U-shaped slot is vertically oriented within the barrel. In some embodiments, the U-shaped slot may be asymmetric.

[0012] In some embodiments, the catheter may be configured to move from a second position to a third position. In some embodiments, when the catheter system is in the third position, the guidewire slider is disposed in a distal position such that the guidewire is advanced beyond the distal end of the catheter. In some embodiments, when the catheter system is in the third position, the catheter hub slider may be disposed in a distal advancement position, and the catheter hub slider is advanced distally to advance the catheter assembly.

[0013] In some embodiments, the distal advancement position of the catheter hub slider is a partial distal advancement position. In some embodiments, the safety canister may include a groove. In some embodiments, the barrel may include an inner ramp. In some embodiments, the catheter system may be configured to move from the third position to a fourth position. In some embodiments, when the catheter system is in the fourth position, the guidewire slider is disposed in a distal position such that the guidewire is advanced beyond the distal end of the catheter. In some embodiments, when the catheter system is in the fourth position, the catheter hub slider may be disposed in a full distal advancement position.

[0014] In some embodiments, in response to movement of the catheter system from the third position to the fourth position, the distally extending arm of the catheter hub slider may contact the inner ramp on the inner surface of the barrel to remove the distally extending arm from the groove of the safety canister, such that the catheter hub slider is separated from the catheter assembly. In some embodiments, the distally extending arm may include a hook and an outwardly extending protrusion. In some embodiments, in response to movement of the catheter system from the third position to the fourth position, the outwardly extending protrusion of the catheter hub slider may contact the inner ramp on the inner surface of the barrel to remove the hook from the groove of the safety canister, such that the catheter hub slider is separated from the catheter assembly.

[0015] In some embodiments, the distally extending arm may be a first distally extending arm. In some embodiments, the catheter hub slider may include a second distally extending arm opposite the first distally extending arm. In some embodiments, in response to movement of the catheter system from the third position to the fourth position, the second distally extending arm of the catheter hub slider may contact the inner ramp on the inner surface of the barrel to remove the second distally extending arm from the groove of the safety canister, such that the catheter hub slider is separated from the catheter assembly.

[0016] In some embodiments, when the catheter system is in the fourth position, the barrel may be moved proximally relative to the catheter assembly to withdraw the guide needle from the catheter assembly. In some embodiments, in response to withdrawing the guide needle proximally past the needle safety clip, the needle safety clip may separate from the catheter hub. In some embodiments, when the catheter system is in the first, second, third, and fourth positions, the guide needle may extend through the catheter. In some embodiments, the flexible arm may include fins that taper inwardly in the distal direction. In some embodiments, in response to movement of the catheter system from the first position to the second position, the wire slider may be pushed out on the fins such that the flexible arm is removed from contact with the needle hub, and the catheter hub slider is configured to slide from the proximal catheter hub slider position to the distal advancement position.

[0017] In some embodiments, the flexible arm may be a first flexible arm. In some embodiments, the catheter hub slider may include a second flexible arm opposite the first flexible arm. In some embodiments, the second flexible arm of the catheter hub slider may contact the needle hub to prevent the catheter hub slider from sliding from the proximal catheter hub slider position to the distal advancement position. In some embodiments, in response to movement of the catheter system from the first position to the second position, the wire slider may be pushed out on the second flexible arm such that the second flexible arm is removed from contact with the needle hub, and the catheter hub slider is configured to slide from the proximal catheter hub slider position to the distal advancement position. In some embodiments, the catheter assembly may include another safety clip disposed within a safety canister and configured to capture the sharp distal end of the guide needle in response to withdrawing the guide needle proximally.

[0018] In some embodiments, the barrel may include a slot disposed between the distal end and the proximal end of the barrel. In some embodiments, when the catheter system is in the first position, the wire slider may extend through the slot and may be configured to slide along the slot from the proximal wire slider position to the distal position to advance the wire distally. In some embodiments, when the catheter system is in the second position, the wire slider may extend through the slot and may be configured to slide along the slot from the distal wire slider position to the proximal catheter hub position.

[0019] In some embodiments, the proximal end of the barrel may include an opening. In some embodiments, the catheter hub slider may be configured to slide within the opening from the proximal catheter hub slider position to the distal advancement position. In some embodiments, the wire slider may be configured to slide within the opening from the proximal wire slider position to the distal position. In some embodiments, the wire slider may wrap around the catheter hub slider. In some embodiments, the wire slider may completely wrap around the catheter hub slider.

[0020] It should be understood that the foregoing general description and the following detailed description are both exemplary and explanatory and do not limit the claimed utility model. It should be understood that the various embodiments are not limited to the arrangements and means illustrated in the drawings. It should also be understood that these embodiments can be combined, or other embodiments can be utilized, and structural changes can be made without departing from the scope of the various embodiments of the utility model unless so claimed. Therefore, the following detailed description should not be considered restrictive. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Example embodiments will be described and explained in more specific and detail by using the drawings, wherein:

[0022] Figure 1A is an upper perspective view of a catheter system in an exemplary first position according to some embodiments;

[0023] Figure 1B is a partial cross-sectional view of a catheter system in a first position according to some embodiments;

[0024] Figure 1C is an upper perspective view of an exemplary catheter hub slider of a catheter system according to some embodiments;

[0025] Figure 1D is a lower perspective view of a catheter hub slider of a catheter system according to some embodiments;

[0026] Figure 1E is a cross-sectional view of a catheter system in a first position according to some embodiments;

[0027] Figure 1F is a side view of a part of a catheter system in a first position according to some embodiments;

[0028] Figure 1G is a partial top cross-sectional view of a catheter system in a first position according to some embodiments;

[0029] Figure 2A is an upper perspective view of an exemplary guide wire slider according to some embodiments;

[0030] Figure 2B is an upper perspective view of an exemplary guide wire according to some embodiments;

[0031] Figure 2C is an upper perspective view of an exemplary needle safety clip according to some embodiments;

[0032] Figure 2D is an upper perspective view of another exemplary needle safety clip according to some embodiments;

[0033] Figure 3AUpper perspective view of a catheter system in an exemplary second position, according to some embodiments;

[0034] Figure 3B Lower perspective view of a catheter system in a second position, according to some embodiments;

[0035] Figure 4A Upper perspective view of a catheter system in an exemplary third position, according to some embodiments;

[0036] Figure 4B Upper perspective view illustrating, according to some embodiments, an exemplary safety canister coupled to a catheter hub slider in a third position;

[0037] Figure 5A Upper perspective view illustrating, according to some embodiments, that the safety canister can be separated from the catheter hub slider when moved to an exemplary fourth position;

[0038] Figure 5B Upper perspective view of a catheter system in a fourth position, according to some embodiments;

[0039] Figure 6A Lower perspective view of a portion of a catheter system in a fourth position, according to some embodiments;

[0040] Figure 6B Upper perspective view of a catheter system having an exemplary guide needle that is withdrawn proximally past a needle safety clip such that the needle safety clip is separated from the catheter hub;

[0041] Figure 7A Upper perspective view of a catheter system having an exemplary slot, the illustrated catheter system in a first position, according to some embodiments;

[0042] Figure 7B Cross-sectional view of a catheter system having a slot, the illustrated catheter system in a first position, according to some embodiments;

[0043] Figure 7C Upper perspective view of a catheter system having a slot, the illustrated catheter system in a second position, according to some embodiments;

[0044] Figure 7D Upper perspective view of a catheter system having a slot, the illustrated catheter system in a third position, according to some embodiments; and

[0045] Figure 7E Upper perspective view of a catheter system having a slot, the illustrated catheter system in a fourth position, according to some embodiments. Detailed Description

[0046] Reference is now made toFigures 1A to 6B In some embodiments, the catheter system 10 may include a catheter assembly 12, and the catheter assembly 12 may include a catheter hub 14. In some embodiments, the catheter hub 14 may include a distal end 16, a proximal end 18, and a lumen 20 that extends through the distal end 16 and the proximal end 18 of the catheter hub 14. In some embodiments, the catheter system 10 may include a catheter 22, which may include a distal tip 24 and may extend from the distal end 16 of the catheter hub 14. In some embodiments, the catheter system 10 may include a needle safety clip 26 disposed within a safety canister 28, and the safety canister 28 is disposed proximal to and / or adjacent the catheter hub 14.

[0047] In some embodiments, the catheter system 10 may include a barrel 30, and the barrel 30 may include a distal end 31 and a proximal end 32. In some embodiments, the catheter system 10 may include a needle hub 34 fixed to the barrel 30. In some embodiments, the catheter system 10 may include a guide needle 36, and the guide needle 36 may include a sharp distal tip 38 and a proximal end 40. In some embodiments, the proximal end 40 of the guide needle 36 may be fixedly connected within the needle hub 34.

[0048] In some embodiments, the catheter system 10 may include a catheter hub slider 42, and the catheter hub slider 42 may include a flexible arm 44. In some embodiments, the flexible arm 44 may be within and be a part of the distally extending arm 46 of the catheter hub slider 42. In some embodiments, the catheter system 10 may include a guide wire 48, and the guide wire 48 may include a first end 50 and a second end 52. In some embodiments, the first end 50 of the guide wire 48 may be configured to be advanced distally through the guide needle 36. In some embodiments, the catheter system 10 may include a guide wire slider 54.

[0049] In some embodiments, the catheter system 10 may be configured to move from a first position (e.g., as illustrated in Figures 1A to 1B and Figures 1E to 1F to a second position (e.g., as illustrated in Figures 3A to 3B ). In some embodiments, when the catheter system 10 is in the first position, the guide wire slider 54 may be disposed in a guide wire slider proximal position and be configured to slide from the guide wire slider proximal position to a distal position to advance the guide wire 48 distally. In some embodiments, when the catheter system 10 is in the first position, the catheter hub slider 42 may be disposed in a catheter hub slider proximal position. In some embodiments, when the catheter system 10 is in the first position, the flexible arm 44 of the catheter hub slider 42 may contact the needle hub 34 to prevent the catheter hub slider 42 from sliding from the catheter hub slider proximal position to a distal advancement position.

[0050] In some embodiments, when the catheter system 10 is in the second position, the guidewire slider 54 may be disposed in the distal position such that the guidewire 48 is advanced beyond the distal end 24 of the catheter 22. In some embodiments, when the catheter system 10 is in the second position, the catheter hub slider 42 may be disposed in the proximal position of the catheter hub slider. In some embodiments, when the catheter system 10 is in the second position, the distally extending arm 46 of the catheter hub slider 42 may be coupled to the catheter assembly 12 via the safety canister 28 to prevent the catheter hub slider 42 from moving distally and proximally relative to the catheter hub 14. In some embodiments, in response to movement of the catheter system 10 from the first position to the second position, the guidewire slider 54 may be pushed out on the flexible arm 44 such that the flexible arm 44 is removed from contact with the needle hub 34, and the catheter hub slider 42 is configured to slide from the proximal position of the catheter hub slider to the distal advancement position. In some embodiments, when the catheter system 10 is in the second position, the guidewire slider 54 may be configured to slide back and forth between the proximal position and the distal position of the guidewire slider.

[0051] In some embodiments, the second end 52 of the guidewire 48 may be fixed within the barrel 30. In some embodiments, the second end 52 of the guidewire 48 may be fixed to the barrel 30. In some embodiments, the second end 52 of the guidewire 48 may be fixed within the needle hub 34. In some embodiments, the guidewire slider 54 may include a U-shaped slot 56 therethrough. In some embodiments, when the catheter system 10 is in the first position, the guidewire 48 may be disposed in the U-shaped slot 56 in a double-throw configuration such that there is a 2:1 advancement ratio between the first end 50 of the guidewire 48 and the guidewire slider 54. In some embodiments, the U-shaped slot 56 is vertically oriented within the barrel 30. In some embodiments, the catheter system 10 may include a support conduit 57 that may extend from the needle hub 34 and may facilitate support of the guidewire 48.

[0052] In some embodiments, the U-shaped slot 56 may be asymmetric. For example, as Figure 2A illustrated or exemplified, the U-shaped slot 56 may elongate toward the top of the catheter system 10, which may reduce the overall diameter or size of the barrel 30 for grasping by the clinician.

[0053] In some embodiments, the catheter 22 may be configured to move from the second position to the third position, such as Figures 4A to 4B illustrated. In some embodiments, when the catheter system 10 is in the third position, the guidewire slider 54 may be disposed in the distal position such that the guidewire 48 is advanced beyond the distal end 24 of the catheter 22. In some embodiments, when the catheter system 10 is in the third position, the catheter hub slider 42 may be disposed in the distal advancement position, and the catheter hub slider 42 is advanced distally to thereby advance the catheter assembly 12.

[0054] In some embodiments, the distal advancement position of the catheter hub slider 42 is a partial distal advancement position. In some embodiments, the safety canister 28 may include one or more grooves 58. In some embodiments, the barrel 30 may include an inner ramp 60. In some embodiments, the catheter system 10 may be configured to move from a third position to a fourth position, as illustrated, for example, in FIG. 5. In some embodiments, when the catheter system 10 is in the fourth position, the guidewire slider 54 may be disposed in a distal position such that the guidewire 48 is advanced beyond the distal end 24 of the catheter 22. In some embodiments, when the catheter system 10 is in the fourth position, the catheter hub slider 42 may be disposed in a fully distal advancement position.

[0055] In some embodiments, in response to movement of the catheter system 10 from the third position to the fourth position, the distally extending arm 46 of the catheter hub slider 42 may contact the inner ramp 60 on the inner surface of the barrel 30 to remove the distally extending arm 46 from the groove 58 of the safety housing 28, such that the catheter hub slider 42 is separated from the catheter assembly 12. In some embodiments, the distally extending arm 46 may include a hook 62 and an outwardly extending protrusion 64. In some embodiments, in response to movement of the catheter system 10 from the third position to the fourth position, the outwardly extending protrusion 64 of the catheter hub slider 42 may contact the inner ramp 60 on the inner surface of the barrel 30 to remove the hook 62 from the groove of the safety canister, such that the catheter hub slider 42 is separated from the catheter assembly 12.

[0056] In some embodiments, the distally extending arm 46 may be a first distally extending arm. In some embodiments, the catheter hub slider 42 may include a second distally extending arm 66 opposite the first distally extending arm. In some embodiments, in response to movement of the catheter system 10 from the third position to the fourth position, the second distally extending arm 66 of the catheter hub slider 42 may contact the inner ramp 60 on the inner surface of the barrel 30 to remove the second distally extending arm 66 from the groove 58 of the safety canister 28 or another groove 59, such that the catheter hub slider 42 is separated from the catheter assembly 12.

[0057] In some embodiments, when the catheter system 10 is in the fourth position, the barrel 30 may be proximally moved relative to the catheter assembly 12 to withdraw the guide needle 36 from the catheter assembly 12. In some embodiments, in response to proximally withdrawing the guide needle 36 past the needle safety clip 26, the needle safety clip 26 may be separated from the catheter hub 14. For example, as in Figure 6AAs illustrated, in some embodiments, the needle safety clip 26 can include a V-shaped clip having a pawl 67 inserted into a groove 70 of the catheter hub 14. In some embodiments, in response to withdrawing the guide needle 36 proximally past the needle safety clip 26, the V-shaped clip can expand without being compressed by the guide needle 36, causing the pawl 67 to be released from the groove 70 and separated from the catheter hub 14.

[0058] In some embodiments, when the catheter system 10 is in the first, second, third, and fourth positions, the guide needle 36 can extend through the catheter 22. For example, as Figure 1B As illustrated, in some embodiments, the flexible arm 44 can include fins 68 that taper inwardly in the distal direction. As Figure 5A As illustrated, in some embodiments, in response to movement of the catheter system 10 from the first position to the second position, the guide wire slider can be pushed out on the fins 68 such that the flexible arm 44 is removed from contact with the needle hub 34, and the catheter hub slider 42 is configured to slide from the proximal position of the catheter hub slider to the distal advancement position.

[0059] In some embodiments, the flexible arm 44 can be a first flexible arm and / or the fins 68 can be first fins. In some embodiments, the catheter hub slider 42 can include a second flexible arm 68 opposite the first flexible arm, for example, as Figures 1C to 1D As illustrated. In some embodiments, the second flexible arm 69 (which can include a second fin 71) of the catheter hub slider 42 can contact the needle hub 34 to prevent the catheter hub slider 42 from sliding from the proximal position of the catheter hub slider to the distal advancement position, for example, as Figure 4B As illustrated. In some embodiments, the hook 62 can be a first hook, and the outwardly extending projection 64 can include a first outwardly extending projection. In some embodiments, the second flexible arm 69 can include a second hook and / or a second outwardly extending projection.

[0060] In some embodiments, in response to movement of the catheter system 10 from the first position to the second position, the guide wire slider 54 can be pushed out on the second flexible arm 69 such that, similar to the first flexible arm, the second flexible arm 69 is removed from contact with the needle hub 34, and the catheter hub slider 42 is configured to slide from the proximal position of the catheter hub slider to the distal advancement position. In some embodiments, the catheter system 10 can include another safety clip 73 disposed within the safety canister 28 and configured to capture the sharp distal end 38 of the guide needle 36 in response to withdrawing the guide needle 36 proximally.

[0061] In some embodiments, the proximal end 32 of the barrel 30 may include an opening 74. In some embodiments, the catheter hub slider 42 may be configured to slide within the opening 74 from a proximal catheter hub slider position to a distal advancement position. In some embodiments, the guidewire slider 54 may be configured to slide within the opening 74 from a guidewire slider proximal position to a distal position. In some embodiments, the guidewire slider 54 may be wrapped around the catheter hub slider 42. In some embodiments, the guidewire slider 54 may be fully wrapped around the catheter hub slider 42. In some embodiments, the proximal end of the catheter hub slider 42 may include a vent plug configured to expel air, which may facilitate depressing or moving distally the catheter hub slider 42.

[0062] Reference is now made Figures 7A to 7E , to a catheter system 10 in accordance with some embodiments. In some embodiments, the barrel 30 may include a slot 76 disposed between the distal end 31 of the barrel 30 and the proximal end 18 of the barrel 30. In some embodiments, when the catheter system 10 is in a first position, the guidewire slider 54 may extend through the slot 76 and may be configured to slide along the slot 76 from a guidewire slider proximal position to a distal position to advance distally the guidewire 48. In some embodiments, when the catheter system is in a second position, the guidewire slider 54 may extend through the slot 76 and may be configured to slide along the slot 76 from a guidewire slider distal position to a catheter hub proximal position. In some embodiments, the upper surface of the guidewire slider 54 may include an upwardly extending protrusion 78, and the upwardly extending protrusion 78 may facilitate advancement and / or retraction of the guidewire slider 54 by a clinician's finger. In some embodiments, the proximal end of the catheter hub slider 42 may include a vent plug configured to expel air, which may facilitate depressing or moving distally the catheter hub slider 42.

[0063] All of the examples and conditional language recited herein are intended for pedagogical purposes to aid the reader in understanding the present disclosure and the concepts contributed by the inventor to furthering the art, and are to be construed as not being limited to such specifically recited examples and conditions. Although the embodiments of the present disclosure have been described in detail, it should be understood that various changes, substitutions, and alterations can be made hereto without departing from the spirit and scope of the present disclosure.

Claims

1. A catheter system, comprising: A catheter assembly, comprising: A catheter hub including a distal end, a proximal end, and a lumen extending through the distal end of the catheter hub and the proximal end of the catheter hub; And A catheter, the catheter including a distal end and extending distally from a distal end of the catheter hub; And A needle safety clip disposed within a safety canister, the safety canister disposed proximally of the catheter hub; A barrel, the barrel including a distal end and a proximal end; A needle hub fixed to the barrel; A guide needle, the guide needle including a sharp distal end and a proximal end, wherein the proximal end of the guide needle is fixedly connected within the needle hub; A catheter hub slider, the catheter hub slider including a flexible arm within an arm extending distally; A guide wire, the guide wire including a first end and a second end, wherein the first end is configured to be advanced distally through the guide needle; A guide wire slider; Characterized in that the catheter system is configured to move from a first position to a second position, wherein when the catheter system is in the first position: The guide wire slider is disposed at a proximal position of the guide wire slider and is configured to slide from the proximal position of the guide wire slider to a distal position to advance the guide wire distally; The catheter hub slider is disposed at a proximal position of the catheter hub slider; The flexible arm of the catheter hub slider contacts the needle hub to prevent the catheter hub slider from sliding from the proximal position of the catheter hub slider to a distal advancement position; Wherein, when the catheter system is in the second position: The guide wire slider is disposed at the distal position such that the guide wire is advanced beyond the distal end of the catheter; The catheter hub slider is disposed at a proximal position of the catheter hub slider; The distally extending arm of the catheter hub slider is coupled to the catheter assembly to prevent the catheter hub slider from moving distally and proximally relative to the catheter hub; Wherein, in response to movement of the catheter system from the first position to the second position, the guide wire slider is pushed out on the flexible arm such that the flexible arm is removed from contact with the needle hub, and the catheter hub slider is configured to slide from the proximal position of the catheter hub slider to the distal advancement position.

2. The catheter system according to claim 1, wherein The second end of the guide wire is fixed within the barrel, wherein the guide wire slider includes a U-shaped slot therethrough, wherein when the catheter system is in the first position, the guide wire is disposed in the U-shaped slot in a double-throw configuration such that the advancement ratio between the first end of the guide wire and the guide wire slider is 2:

1.

3. The catheter system according to claim 2, wherein The U-shaped slot is vertically oriented within the barrel.

4. The catheter system according to claim 3, characterized in that, The U-shaped slot is asymmetric.

5. The catheter system according to claim 1, characterized in that, The catheter is configured to move from the second position to a third position, wherein when the catheter system is in the third position: The guide wire slider is disposed at the distal position such that the guide wire is advanced beyond the distal end of the catheter; The catheter hub slider is disposed at the distal advancement position, wherein the catheter hub slider is advanced distally to thereby advance the catheter assembly.

6. The catheter system according to claim 5, wherein, The distal advancement position of the catheter hub slider is a partially distal advancement position, wherein the safety canister includes a groove, wherein the barrel further includes an inner ramp, wherein the catheter system is configured to move from the third position to the fourth position, wherein when the catheter system is in the fourth position: The guidewire slider is disposed in the distal position such that the guidewire is advanced beyond the distal end of the catheter; The catheter hub slider is disposed in the fully distally advanced position; wherein, in response to movement of the catheter system from the third position to the fourth position, the distally extending arm of the catheter hub slider contacts the inner ramp on the inner surface of the barrel to remove the distally extending arm from the groove of the safety canister, such that the catheter hub slider is separated from the catheter assembly.

7. The catheter system according to claim 6, wherein The distally extending arm includes a hook and an outwardly extending protrusion, wherein, in response to movement of the catheter system from the third position to the fourth position, the outwardly extending protrusion of the catheter hub slider contacts the inner ramp on the inner surface of the barrel to remove the hook from the groove of the safety canister, such that the catheter hub slider is separated from the catheter assembly.

8. The catheter system according to claim 7, wherein, The distally extending arm is a first distally extending arm, wherein the catheter hub slider further includes a second distally extending arm opposite the first distally extending arm, wherein, in response to movement of the catheter system from the third position to the fourth position, the second distally extending arm of the catheter hub slider contacts the inner ramp on the inner surface of the barrel to remove the second distally extending arm from the groove of the safety canister, such that the catheter hub slider is separated from the catheter assembly.

9. The catheter system according to claim 6, wherein When the catheter system is in the fourth position, the barrel is movable proximally relative to the catheter assembly to withdraw the guide needle from the catheter assembly, wherein, in response to proximally withdrawing the guide needle past the needle safety clip, the needle safety clip is separated from the catheter hub.

10. The catheter system according to claim 9, characterized in that, When the catheter system is in the first position, the second position, the third position, and the fourth position, the guide needle extends through the catheter.

11. The catheter system according to claim 1, wherein The flexible arm includes fins that are tapered inwardly in the distal direction, wherein, in response to movement of the catheter system from the first position to the second position, the guidewire slider is pushed out on the fins such that the flexible arm is removed from contact with the needle hub, and the catheter hub slider is configured to slide from the proximal position of the catheter hub slider to the distal advancement position.

12. The catheter system according to claim 1, wherein, The flexible arm is a first flexible arm, wherein the catheter hub slider includes a second flexible arm opposite the first flexible arm, wherein the second flexible arm of the catheter hub slider contacts the needle hub to prevent the catheter hub slider from sliding from the proximal position of the catheter hub slider to the distal advancement position, and wherein in response to movement of the catheter system from the first position to the second position, the guidewire slider is pushed out on the second flexible arm such that the flexible arm is removed from contact with the needle hub, and the catheter hub slider is configured to slide from the proximal position of the catheter hub slider to the distal advancement position.

13. The catheter system according to claim 1, wherein The catheter assembly further includes another safety clip, the another safety clip is disposed within the safety canister and is configured to capture the sharp distal end of the guide needle in response to proximally withdrawing the guide needle.

14. The catheter system according to claim 1, wherein The barrel further includes a slot disposed between the distal end of the barrel and the proximal end of the barrel, wherein when the catheter system is in the first position, the guidewire slider extends through the slot and is configured to slide along the slot from the proximal position of the guidewire slider to the distal position to distally advance the guidewire.

15. The catheter system according to claim 14, wherein When the catheter system is in the second position, the guidewire slider extends through the slot and is configured to slide along the slot from the distal position of the guidewire slider to the proximal position of the catheter hub.

16. The catheter system according to claim 1, characterized in that, The proximal end of the barrel includes an opening, wherein the catheter hub slider is configured to slide within the opening from the proximal catheter hub slider position to the distal advancement position, and wherein the guidewire slider is configured to slide within the opening from the proximal position of the guidewire slider to the distal position.

17. The catheter system according to claim 16, wherein, The guidewire slider is wrapped around the catheter hub slider.

18. The catheter system according to claim 17, wherein, The guidewire slider is completely wrapped around the catheter hub slider.

19. The catheter system according to claim 1, wherein The second end of the guidewire is fixed within the needle hub.

20. The catheter system according to claim 1, wherein, When the catheter system is in the second position, the guidewire slider is configured to slide back and forth between the proximal position of the guidewire slider and the distal position.