IP Library › Granted Patent US 12,343,515
Granted Patent B2
US 12,343,515 · App. 18/243,330 · Granted Jul 1, 2025

Needle-based device with a safety mechanism implemented therein

Inventor: Jaroslaw Moleda (Warsaw, PL)
Assignee: MediVena Sp. z o.o.
A61M5/3202A61M5/3129A61M5/3148A61M5/31571A61M5/3234A61M5/3243A61M5/3257A61M5/326A61M5/3271A61M2005/2073
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Quick Facts
Patent No.
US 12,343,515
App. No.
18/243,330
Granted
Jul 1, 2025
Kind
B2
Abstract

A needle-based device includes a body, a needle protruding from the body for a length thereof, and a needle shield encompassing an entirety of the protruding length of the needle to protect the needle in a first state of disuse of the needle-based device. The needle shield is retracted in a direction toward the body to apply a force in the direction to cause the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use thereof. The needle-based device also includes a lock button including a hook at an end thereof. The needle shield is locked using the lock button in the first state of disuse in accordance with the hook passing through a groove formed on the needle shield and locking directly on to a top of the body from which the needle protrudes.

Claims (67)

1. A needle-based device comprising:

a body;

a needle protruding from the body for a length thereof;

a needle shield encompassing an entirety of the protruding length of the needle to protect the needle in a first state of disuse of the needle-based device,

wherein the needle shield is retracted in a first direction toward the body to apply a first force in the first direction to cause the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use thereof; and

a lock button with a first end either integrally formed with the needle shield or external to the needle shield and then coupled to the needle shield, the lock button comprising a hook at a second end thereof,

wherein a length of the lock button is completely external to the needle shield, and

wherein the needle shield is locked using the lock button in the first state of disuse of the needle-based device in accordance with the hook of the lock button passing through a groove formed on the needle shield and locking directly on to a top of the body from which the needle protrudes such that, in a state of the locking of the needle shield:

the length of the lock button completely external to the needle shield is parallel to a length of the needle shield and the entire protruding length of the needle, and

the hook is perpendicular to the length of the needle shield, the length of the lock button and the entire protruding length of the needle.

2. The needle-based device of claim 1 , wherein the body comprises one of:

a needle mount coupled to a barrel of the needle-based device, and

the barrel of the needle-based device.

3. The needle-based device of claim 2 , wherein the barrel is associated with at least one of: a hypodermic syringe, a hypodermic needle, a pen injector and a fluid collection device.

4. The needle-based device of claim 1 , wherein the needle-based device is transitioned back to the first state of disuse thereof following the second state of use in accordance with applying a second force in a second direction diametrically opposite to the first direction.

5. The needle-based device of claim 1 , wherein lateral sides of the body comprise wings to enable coupling between the needle shield and the body to securedly maintain the encompassing of the entire protruding length of the needle by the needle shield in the first state of disuse of the needle-based device.

6. The needle-based device of claim 5 , wherein the coupling between the needle shield and the body occurs by way of the wings and one of: a connector and a ring on an outer wall of the body.

7. The needle-based device of claim 1 , wherein the second state of use encompasses at least one of: drawing of a fluid and injection of the fluid via the needle-based device.

8. The needle-based device of claim 1 , further comprising a needle cap completely encompassing the needle in the first state of disuse of the needle-based device,

wherein the needle shield encompasses at least a partial length of the needle cap in addition to the entire protruding length of the needle in the first state of disuse of the needle-based device, and

wherein a length of the needle cap protrudes outside the needle shield from an end of the needle shield farthest away from the body in the first state of disuse of the needle- based device.

9. The needle-based device of claim 8 , further comprising a safety cap to encompass therewithin an entirety of the length of the needle cap protruding outside the needle shield in the first state of disuse of the needle-based device,

wherein the safety cap is secured on to an outer surface of the needle shield proximate the end farthest away from the body such that the needle and the needle cap are completely protected and covered during the first state of disuse of the needle-based device, and

wherein the encompassing of the entire length of the needle by the needle shield is maintained in the first state of disuse of the needle-based device even when the safety cap along with the needle cap is removed from the end of the needle shield farthest away from the body.

10. The needle-based device of claim 9 , wherein the needle shield comprises guide elements protruding internal to the needle shield from the end thereof farthest away from the body in the first state of disuse of the needle-based device in a direction parallel to the length of the needle shield such that the needle cap passes through the guide elements to prevent significant lateral movement of the needle and the needle cap in the first state of disuse of the needle-based device.

11. The needle-based device of claim 10 ,

wherein a distance between the guide elements along a direction perpendicular to the length of the needle shield is less than an inner diameter of the needle shield, and

wherein a length of each of the guide elements along the direction of the length of the needle shield is significantly less than the length of the needle shield.

12. A needle-based device comprising:

a body;

a needle protruding from the body for a length thereof;

a needle shield encompassing an entirety of the protruding length of the needle to protect the needle in a first state of disuse of the needle-based device,

wherein the needle shield is retracted in a first direction toward the body to apply a first force in the first direction to cause the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use thereof, and

wherein the needle-based device is transitioned back to the first state of disuse thereof following the second state of use in accordance with applying a second force in a second direction diametrically opposite to the first direction; and

a lock button with a first end either integrally formed with the needle shield or external to the needle shield and then coupled to the needle shield, the lock button comprising a hook at a second end thereof,

wherein a length of the lock button is completely external to the needle shield, and

wherein the needle shield is locked using the lock button in the first state of disuse of the needle-based device in accordance with the hook of the lock button passing through a groove formed on the needle shield and locking directly on to a top of the body from which the needle protrudes such that, in a state of the locking of the needle shield:

the length of the lock button completely external to the needle shield is parallel to a length of the needle shield and the entire protruding length of the needle, and

the hook is perpendicular to the length of the needle shield, the length of the lock button and the entire protruding length of the needle.

13. The needle-based device of claim 12 , wherein lateral sides of the body comprise wings to enable coupling between the needle shield and the body to securedly maintain the encompassing of the entire protruding length of the needle by the needle shield in the first state of disuse of the needle-based device.

14. The needle-based device of claim 13 , wherein the coupling between the needle shield and the body occurs by way of the wings and one of: a connector and a ring on an outer wall of the body.

15. The needle-based device of claim 12 , further comprising a needle cap completely encompassing the needle in the first state of disuse of the needle-based device,

wherein the needle shield encompasses at least a partial length of the needle cap in addition to the entire length of the needle in the first state of disuse of the needle-based device, and

wherein a length of the needle cap protrudes outside the needle shield from an end of the needle shield farthest away from the body in the first state of disuse of the needle-based device.

16. The needle-based device of claim 15 , further comprising a safety cap to encompass therewithin an entirety of the length of the needle cap protruding outside the needle shield in the first state of disuse of the needle-based device,

wherein the safety cap is secured on to an outer surface of the needle shield proximate the end farthest away from the body such that the needle and the needle cap are completely protected and covered during the first state of disuse of the needle-based device, and

wherein the encompassing of the entire length of the needle by the needle shield is maintained in the first state of disuse of the needle-based device even when the safety cap along with the needle cap is removed from the end of the needle shield farthest away from the body.

17. The needle-based device of claim 16 , wherein the needle shield comprises guide elements protruding internal to the needle shield from the end thereof farthest away from the body in the first state of disuse of the needle-based device in a direction parallel to the length of the needle shield such that the needle cap passes through the guide elements to prevent significant lateral movement of the needle and the needle cap in the first state of disuse of the needle-based device.

18. The needle-based device of claim 17 ,

wherein a distance between the guide elements along a direction perpendicular to the length of the needle shield is less than an inner diameter of the needle shield, and

wherein a length of each of the guide elements along the direction of the length of the needle shield is significantly less than the length of the needle shield.

19. A needle-based device comprising:

a body;

a needle protruding from the body for a length thereof;

a needle shield encompassing an entirety of the protruding length of the needle to protect the needle in a first state of disuse of the needle-based device,

wherein the needle shield is retracted in a first direction toward the body to apply a first force in the first direction to cause the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use thereof,

wherein the needle-based device is transitioned back to the first state of disuse thereof following the second state of use in accordance with applying a second force in a second direction diametrically opposite to the first direction,

wherein the encompassing of the entire protruding length of the needle by the needle shield is securedly maintained in the first state of disuse of the needle-based device through coupling between the needle shield and the body, and

wherein the second state of use of the needle-based device encompasses at least one of: drawing of a fluid and injection of the fluid via the needle-based device; and

a lock button with a first end either integrally formed with the needle shield or external to the needle shield and then coupled to the needle shield, the lock button comprising a hook at a second end thereof,

wherein a length of the lock button is completely external to the needle shield, and

wherein the needle shield is locked using the lock button in the first state of disuse of the needle-based device in accordance with the hook of the lock button passing through a groove formed on the needle shield and locking directly on to a top of the body from which the needle protrudes such that, in a state of the locking of the needle shield:

the length of the lock button completely external to the needle shield is parallel to a length of the needle shield and the entire protruding length of the needle, and

the hook is perpendicular to the length of the needle shield, the length of the lock button and the entire protruding length of the needle.

20. The needle-based device of claim 19 , wherein the body comprises one of:

a needle mount coupled to a barrel of the needle-based device, and

the barrel of the needle-based device.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 28, 2023
From: MOLEDA, JAROSLAW
To: MEDIVENA SP. Z O.O.
Reel/Frame 065067/0695 →
Continuity (9)
Continuation 18223294 · Jul 18, 2023
Continuation In Part 18221848 · Jul 13, 2023
Continuation 18221848 · Jul 13, 2023
Continuation 17494904 · Oct 6, 2021
Continuation In Part 17494904 · Oct 6, 2021
Continuation 17234793 · Apr 19, 2021
Continuation 16831824 · Mar 27, 2020
Continuation In Part 16831824 · Mar 27, 2020
Related Publication 20230414881A1 · Dec 28, 2023
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