The K-syringe, which made it possible to inoculate more people than a set amount with one bottle of vaccine, is creating a big topic (photo)

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Vaccination with minimal residual syringe

While vaccination for Corona 19 in Korea has begun, the use of special’low dead space’ (LDS, Low Dead Space) syringes developed by domestic companies is drawing attention.

National Medical Center head of the National Medical Center Chung Ki-Hyun explained to Prime Minister Jeong Sye-gyun, who came to visit the vaccination on the morning of the 27th, the standard number of vaccinations per vial (bottle) of Pfizer vaccine. The above results can come out.” Myung-don Oh, the head of the Central Vaccination Prevention Center, added, “The syringe is so good that it is extracted very accurately and remains even after the 6-seater is pulled out directly in the morning with a syringe specially made by our company.” However, the National Medical Center said, “Unlike the pre-examination, different results may be obtained from the actual vaccination,” and “We will report the vaccination results later.”

As such information became known, a number of questions related to the expansion of the number of special syringes and vaccinations followed during the regular briefing question-and-answer session of the Centers for Disease Control and Prevention (Bangdaebon) held this afternoon. At this meeting, Kyung-sil Chung, head of the vaccination management team of the Corona 19 Vaccination Response Promotion Team, said, “Either AstraZeneca vaccine or Pfizer vaccine, it is supposed to be used in multiple doses per vial (bottle). In the process, depending on which syringe was used and the skill level of the inoculating nurse, the number of doses may vary. “Depending on the site situation (per bottle for Pfizer vaccine), 6 doses (6 doses) may not be available. Yes, and it may come out more than 6 doses, but the remaining amount can only be used to reduce the amount of vaccine waste.”

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On the afternoon of the 18th, employees are making minimal residual type syringes at Poonglim Pharmatech, a production facility for the least residual type (LDS) syringe for corona 19 vaccination in Gunsan, Jeollabuk-do.

According to this day, the promotion team announced a’How to conduct vaccinations’, which states that “when using the minimum residual sterilized syringe, if the remaining amount remains after vaccination for the recommended number of inoculations per vial, additional vaccinations can be performed in order to reduce the waste amount.” It was distributed to vaccination sites nationwide. The standard number of people vaccinated for one bottle of AstraZeneca vaccine is 10 and Pfizer vaccine is 6 people. Gyeong-sil Jeong said, “The amount of the original vaccine per bottle contains a certain portion of the margin, taking into account the various losses in the vaccination process. This capacity is based on a general syringe. It can be increased.”

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On the 2nd, at Shin-A Yanghaeng Co., Ltd., located in Wooseong-myeon, Gongju-si, Chungcheongnam-do, company officials are busy producing a’minimum residual type (LDS) syringe’ to be used for corona 19 vaccination.

The minimum residual type syringe, which is a special syringe, is manufactured so that there is little’dead space’ (dead space) between the injection needle and the piston to minimize the amount of vaccine discarded after administration. “All the syringes provided by the government for the initial volume of AstraZeneca and Pfizer are the minimum residual type (LDS, Low Dead Space) syringes, and 670,000 have been supplied to the inoculation agency,” said Kyung-sil Chung. Both Shin-A Yanghaeng and Doowon Meditech’s syringes are made of minimal residual syringes.”

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On the 2nd, at Shin-A Yanghaeng Co., Ltd., located in Wooseong-myeon, Gongju-si, Chungcheongnam-do, company officials are busy producing a’minimum residual type (LDS) syringe’ to be used for corona 19 vaccination.

However, the general manager of Jeong Gyeong-sil said, “We have not officially reviewed the plan to expand the standard number of vaccinations per bottle.” “If the vaccine was discarded, the number of vaccination personnel could not be received enough, so the remaining amount was used to reduce the amount of waste”, stressing, “In the case of Pfizer vaccine, it is possible to use up to 7 doses per bottle). It is difficult to say. It may vary depending on the site situation, so the remaining dose is not mandatory.” In addition, he added, “The amount of inoculation per dose must be observed, and it is absolutely forbidden to collect and inoculate the remaining from several vials (bottles).” In the question of’why not change the standard vaccination method’, the question is, “In the case of drugs, the contents of the approval review are to be reflected. Regarding the use of each vaccine, the principle is to observe the dose per vial and dose per dose.” The single dose of Pfizer vaccine is 0.3 ml, and the AstraZeneca vaccine is 0.5 ml.

According to the foreign press, a handful of nurses in Finland and Spain in the middle of this month succeeded in extracting 7 doses from one vial (bottle) of Pfizer vaccine, which is a six dose with a special syringe. The Eurasia Review reported that two Spanish nurses used a special syringe to maximize the use of a vaccine that became’liquid gold’ to end the pandemic.

By Kim Hyo-sil, staff reporter [email protected]

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