High speed lancing device with lancet ejection assembly

Abstract

A high-speed lancing device with lancet ejection assembly, comprising: a housing for the user to hold, a lancet support assembly; a lancet that can be attached to said lancet support assembly; a recovery assembly, said recovery assembly comprises a sleeve and a first flexible element, said sleeve is on one side of said housing, said sleeve can engage said lancet support assembly; a loading assembly, said loading assembly comprises an impact assembly and a rear assembly, said impact assembly and said rear assembly are positioned on the longitudinal axis of said lancing pen, said impact assembly further comprises a rod and a second flexible element; a trigger element, said trigger element is at the side of said housing; a lancet ejection assembly, said lancet ejection assembly can remove said lancet from said lancet support assembly.

Description

[0001] Cross References to Related Applications [0002] The present invention claims the priority of Taiwan Utility Model Patent Application No. 104210725 (applied on July 2, 2015), which is hereby incorporated by reference in its entirety. technical field [0003] The present invention is a high-speed blood collection pen with a needle withdrawal device. The blood collection pen is suitable for testing and sampling at home and in medical institutions. The person who uses the present invention to collect samples can be a patient or a medical worker. The present invention is particularly applicable to collecting trace blood in skin microvessels, and the collected blood can be analyzed by immunological and biochemical testing instruments for the concentration of side substances. The present invention is known to be applicable to self-monitoring of blood glucose or detection of blood glucose in medical institutions. Background technique [0004] Diabetics need long-term monit...

AI Technical Summary

Problems solved by technology

[0010] In the above-mentioned disposable blood collection devices, the upper cover of these blood collection devices is protruding, so it is easy to trigger the unused blood collection needle due to the user accidentally touching the upper cover, because these disposable blood collection devices are designed to only fire One time, so the accidental firing action of non-blood collection will cause unnecessary waste, or cause non-target blood collection parts on the user's skin to be injured

[0011] In the reusable mechanical spring-type blood collection device on the market, the vibration of the spring directly causes the blood collection needle to puncture the patient's skin repeatedly, increasing the patient's pain

In a disposable blood collection device, the firing device is mostly located on the upper end of the blood collection device, which may cause these blood collection devices to be accidentally fired, resulting in waste or injury to the non-target blood collection site on the user's skin

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