IP Library › Granted Patent US 12,434,010
Granted Patent B2
US 12,434,010 · App. 18/396,669 · Granted Oct 7, 2025

Needle-based device with a safety mechanism implemented therein

Inventor: Jaroslaw Moleda (Warsaw, PL)
A61M5/3202A61M5/3129A61M5/3148A61M5/31571A61M5/3234A61M5/3243A61M5/3257A61M5/326A61M5/3271A61M2005/2073
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Quick Facts
Patent No.
US 12,434,010
App. No.
18/396,669
Granted
Oct 7, 2025
Kind
B2
Abstract

A needle-based device includes a body, a needle protruding from the body, and a needle cap to protect the needle in a first state of disuse of the needle-based device. Also, a needle shield encompasses the needle and at least a partial length of the needle cap in the first state of disuse. A safety cap encompasses the needle cap therewithin. The safety cap is secured onto an outer surface of the needle shield such that the needle and the needle cap are completely protected and covered during the first state of disuse. Guide elements protrude from an end of the needle shield farthest away from the body in the first state of disuse internal to the needle shield such that the needle passes through the guide elements to prevent significant lateral movement of the needle and the needle cap in the first state of disuse.

Claims (53)

1. A needle-based device comprising:

a body;

a needle protruding from the body for a length thereof;

a needle cap to protect an entirety of the protruding length of the needle in a first state of disuse of the needle-based device by completely encompassing the needle in the first state of disuse of the needle-based device;

a needle shield to encompass the entirety of the protruding length of the needle and at least a partial length of the needle cap in the first state of disuse of the needle-based device, a length of the needle cap protruding 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;

a safety cap to encompass therewithin an entirety of the length of the needle cap protruding outside the needle shield, the safety cap being secured onto 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

guide elements protruding internal to the needle shield from the end of the needle shield farthest away from the body in the first state of disuse of the needle-based device in a direction parallel to a length of the needle shield such that the needle 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,

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,

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, and

the body is associated with at least one of; a syringe, a hypodermic needle, a pen injector and a fluid collection device.

2. The needle-based device of claim 1 , wherein, upon removing the safety cap along with the needle cap from the end of the needle shield farthest away from the body in the first state of disuse of the needle-based device such that the encompassing of the entire length of the needle by the needle shield is maintained, retracting the needle shield in a first direction toward the body causes the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use thereof.

3. The needle-based device of claim 2 , wherein the needle-based device is automatically transitioned back to the first state of disuse thereof immediately following the second state of use in accordance with a force applied in a second direction diametrically opposite to the first direction.

4. The needle-based device of claim 1 , further comprising:

a spring resting on the body to additionally encompass the entirety of the protruding length of the needle in the first state of disuse of the needle-based device,

wherein the needle shield encompasses an entire length of the spring in addition to the entirety of the protruding length of the needle in the first state of disuse of the needle-based device.

5. The needle-based device of claim 4 , wherein the distance between the guide elements along the direction perpendicular to the length of the needle shield is less than an inner diameter of the spring to enable the spring to accommodate the guide elements therewithin in the first state of disuse of the needle-based device.

6. 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.

7. The needle-based device of claim 6 , wherein:

the needle mount comprises a first hollow and narrow portion having an end thereof coupled to the needle and another end thereof opening into a second hollow and wide portion receiving a complementary end of the body such that the complementary end approximately reaches the first hollow and narrow portion and the needle approximately reaches the second hollow and wide portion upon complete coupling between the needle mount and the complementary end of the body.

8. The needle-based device of claim 1 , further comprising a lock button to lock onto the needle shield in the first state of disuse of the needle-based device.

9. A needle-based device comprising:

a body;

a needle cap to protect an entirety of a length of a needle protruding from the body in a first state of disuse of the needle-based device by completely encompassing the needle in the first state of disuse of the needle-based device;

a needle shield to encompass the entirety of the protruding length of the needle and at least a partial length of the needle cap in the first state of disuse of the needle-based device, a length of the needle cap protruding 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;

a safety cap to encompass therewithin an entirety of the length of the needle cap protruding outside the needle shield, the safety cap being secured onto 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

guide elements protruding internal to the needle shield from the end of the needle shield farthest away from the body in the first state of disuse of the needle-based device in a direction parallel to a length of the needle shield such that the needle 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,

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,

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, and

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.

10. The needle-based device of claim 9 , wherein, upon removing the safety cap along with the needle cap from the end of the needle shield farthest away from the body in the first state of disuse of the needle-based device such that the encompassing of the entire length of the needle by the needle shield is maintained, retracting the needle shield in a first direction toward the body causes the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use thereof.

11. The needle-based device of claim 10 , wherein the needle-based device is automatically transitioned back to the first state of disuse thereof immediately following the second state of use in accordance with a force applied in a second direction diametrically opposite to the first direction.

12. The needle-based device of claim 9 , further comprising:

a spring resting on the body to additionally encompass the entirety of the protruding length of the needle in the first state of disuse of the needle-based device, the needle shield encompassing an entire length of the spring in addition to the entirety of the protruding length of the needle in the first state of disuse of the needle-based device.

13. The needle-based device of claim 12 , wherein the distance between the guide elements along the direction perpendicular to the length of the needle shield is less than an inner diameter of the spring to enable the spring to accommodate the guide elements therewithin in the first state of disuse of the needle-based device.

14. The needle-based device of claim 9 , further comprising a lock button to lock onto the needle shield in the first state of disuse of the needle-based device.

15. The needle-based device of claim 9 , wherein at least one of:

the needle mount comprises a first hollow and narrow portion having an end thereof coupled to the needle and another end thereof opening into a second hollow and wide portion receiving a complementary end of the body such that the complementary end approximately reaches the first hollow and narrow portion and the needle approximately reaches the second hollow and wide portion upon complete coupling between the needle mount and the complementary end of the body, and

the barrel is associated with at least one of: a syringe, a hypodermic needle, a pen injector and a fluid collection device.

16. A needle-based device comprising:

a needle cap to protect an entirety of a length of a needle protruding from a body associated with the needle-based device in a first state of disuse of the needle-based device by completely encompassing the needle in the first state of disuse of the needle-based device;

a needle shield to encompass the entirety of the protruding length of the needle and at least a partial length of the needle cap in the first state of disuse of the needle-based device, a length of the needle cap protruding 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;

a safety cap to encompass therewithin an entirety of the length of the needle cap protruding outside the needle shield, the safety cap being secured onto 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

guide elements protruding internal to the needle shield from the end of the needle shield farthest away from the body in the first state of disuse of the needle-based device in a direction parallel to a length of the needle shield such that the needle 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,

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.

17. The needle-based device of claim 16 , wherein, upon removing the safety cap along with the needle cap from the end of the needle shield farthest away from the body in the first state of disuse of the needle-based device such that the encompassing of the entire length of the needle by the needle shield is maintained, retracting the needle shield in a first direction toward the body causes the needle to emerge out of the needle shield to prepare the needle-based device for a second state of use thereof.

18. The needle-based device of claim 16 , further comprising:

a spring resting on the body to additionally encompass the entirety of the protruding length of the needle in the first state of disuse of the needle-based device, the needle shield encompassing an entire length of the spring in addition to the entirety of the protruding length of the needle in the first state of disuse of the needle-based device; and

a lock button to lock onto the needle shield in the first state of disuse of the needle-based device.

19. The needle-based device of claim 18 , wherein the distance between the guide elements along the direction perpendicular to the length of the needle shield is less than an inner diameter of the spring to enable the spring to accommodate the guide elements therewithin in the first state of disuse of the needle-based device.

20. The needle-based device of claim 16 , wherein the needle-based device is automatically transitioned back to the first state of disuse thereof immediately following the second state of use in accordance with a force applied in a second direction diametrically opposite to the first direction.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 29, 2023
From: MOLEDA, JAROSLAW
To: MEDIVENA SP. Z O.O.
Reel/Frame 065977/0313 →
Continuity (10)
Continuation 18243330 · Sep 7, 2023
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 20240123156A1 · Apr 18, 2024
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“Insulin Safety Syringes”, by Medivena, Found Online on [May 31, 2021] https://www.one-care.com/safety-insulin-syringes. [cited by applicant]
“ONE_CARE Insulin Safety Syringes”, by Medivena, Found Online on [May 31, 2021] https://static1.squarespace.com/static/5c2e33d43917eeb9b98da746/t/5e85017fc8068858c09e1e44/1585774982210/ONE-CARE%E2%84%A2+Insulin+Safety+S… [cited by applicant]
“Single Use Safety Syringe With Passive Needlestick Injury & Reuse Prevention” By Alfa Corpuscles Pvt. Ltd., Found Online On [May 31, 2021] https://birac.nic.in/product-detail.php?product=56. [cited by applicant]
“Ritract safety syringe”, by BerryDesign, Published online in [2005] https://www.berrydesign.com.au/portfolios/medical/ritract-safety-syringe.php. [cited by applicant]
“An introduction to needlestick protection and safety syringes”, by Springboard, Published Online on [Jun. 13, 2018] https://www.springboard.pro/safety-syringes/. [cited by applicant]
“Use of safety-engineered devices by healthcare workers for intravenous and/or phlebotomy procedures in healthcare settings: a systematic review and meta-analysis”, by Rami A. Ballout et al., Published at BMC Health Ser… [cited by applicant]
“Developing safe porter protective syringe cap to prevent percutaneous injuries; a semi-experimental study”, by Zeynep Akidagi et al., Published at International Journal Of Community Medicine And Public Health vol. 9 No… [cited by applicant]
“Devices for preventing percutaneous exposure injuries caused by needles in healthcare personnel”, by Marie-Claude Lavoie et al., Published at Cochrane Library, Published on [Mar. 9, 2014] https://www.cochranelibrary.co… [cited by applicant]
“Safe and effective use of a passive safety needle by healthcare professionals in a simulated environment, including perceptions and preferences”, by Anna Serafin et al., Published at Taylor & Francis, Published on [Sep… [cited by applicant]
“Needle Stick Injuries: An Overview of the Size of the Problem, Prevention & Management”, by Moazzam A. Zaidi et al., Published at Ibnosina Journal of Medicine and Biomedical Sciences, Published on [Mar. 1, 2010] https:… [cited by applicant]
“Role of Safety-Engineered Devices in Preventing Needlestick Injuries in 32 French Hospitals”, by F. Lamontagne et al., Published by The University of Chicago Press, Found Online [Oct. 5, 2023] https://sci-hub.hkvisa.ne… [cited by applicant]
“Human Factors Analysis of Needle Safety Devices”, by William A. Hyman, Published at Journal of Clinical Engineering, Found Online [Oct. 5, 2023] https://d2ghdaxqb194v2.cloudfront.net/577/165817.pdf. [cited by applicant]
“Evaluation Of A Safety Resheathable Winged Steel Needle For Prevention Of Percutaneous Injuries Associated With Intravascular-Access Procedures Among Healthcare Workers”, by Meryl H. Mendelson, Published by The Univers… [cited by applicant]
“Needlestick Injuries And The Use Of Safety Syringes In The Prevention Of Occupational Bloodborne Diseases: A Systematic Review”, by Felicidade Niquice et al., Published at International Symposium on Occupational Safety… [cited by applicant]
“Needlestick Injuries With Insulin Injections: Risk Factors, Concerns, and Implications of the Use of Safety Pen Needles in the Asia-Pacific Region”, by Mafauzy Mohamed et al., Published at Journal of Diabetes Science a… [cited by applicant]
“Intramuscular Injection device: Reducing fear, Increasing safety”, by Anna Karos et al., Published at Physician Inspired Engineering Solutions Directed Research Program, Found Online [Mar. 29, 2024] https://conservancy… [cited by applicant]
“Reduction of needlestick injuries in healthcare personnel at a university hospital using safety devices”, by Cornelia Hoffmann et al., Published at Journal of Occupational Medicine and Toxicology, Found Online [Mar. 29… [cited by applicant]
“Prevention Of Needle-stick Injury Efficacy Of A Safeguardrd Intravenous Cannula”, by T. Asal et al., Published at Anaesthesia vol. 54, Issue 3, Found Online [Mar. 29, 2024] https://associationofanaesthetists-publicatio… [cited by applicant]
“SOL-CARE™ Safety Needles and Safety Needle Combinations”, by SOL-CARE, Found Online [Mar. 29, 2024] https://www.theampouleopener.com/wp-content/uploads/2017/07/Sol-Care-Needles.pdf. [cited by applicant]
“ClickZip Needle Retractable Safety Syringe”, by ClickZip, Found Online [Mar. 29, 2024] https://portalimages.blob.core.windows.net/products/pdfs/v0unuxas_ClickZip-safety-syringe-catalogue_on-Website.pdf. [cited by applicant]
“USA Catalog Medication Delivery”, by SolM, Found Online [Mar. 29, 2024] https://images.sol-m.com/web/aacc/c_j_2023/solm-md-j-2023.pdf. [cited by applicant]