TWM450388U - Improved structure of safety syringe - Google Patents

Description

安全針筒之改進構造Improved construction of safety syringe

本創作為安全針筒之改進構造，主要係以針筒內之推桿前端所設推頭，以其前端的蕊柱，卡入針頭之嘴頭內部進行結合；提供注射完成後，經由拉回推桿直接攜帶針體整體向內退縮在針筒內定位藏置後，折斷推頭後方的外露推桿部位，藉此達到由針筒筒身完整包覆廢棄針頭，並同時完成定位收藏的絕佳安全性；進而同時具有結構簡單化暨操作方便性，且無須另外增加套件等實用效益提升者。The creation is an improved structure of the safety syringe, which is mainly provided with a pusher head provided at the front end of the push rod in the syringe, and is connected with the core of the front end of the needle, and is inserted into the mouth of the needle; after the injection is completed, the pull back is provided. The push rod directly carries the needle body and is retracted inwardly, and after being positioned and stored in the syringe, the exposed push rod portion behind the pusher head is broken, thereby achieving the complete coating of the discarded needle by the syringe barrel body, and simultaneously completing the positioning and collecting. Good security; at the same time, it has the advantages of simple structure and convenient operation, and there is no need to increase the utility benefits such as kits.

按，醫療注射所使用的針頭，因直接注入患者皮膚，且有血液接觸與感染的問題，整具針筒使用後的最大問題，其實就在於避免廢棄針頭戳傷使用者或其他人所可能造成的感染。而如第五、六圖所示的傳統針頭處理，都是注射針4僅以長型套蓋41作為針頭42的保護蓋，於注射前套合長型套蓋41，於注射中拔開長型套蓋41後注射，於注射後再行套合長型套蓋41；然而，注射針4在使用後，需棄置回收，但在收集過程中容易受敲擊而脫落，且材積過常容易碰撞而掉落，造成針體外露而產生危險。According to the needle used in medical injection, because it is directly injected into the patient's skin, and there is a problem of blood contact and infection, the biggest problem after the whole syringe is used is to avoid the possibility of abandoning the needle to puncture the user or other people. Infection. For the conventional needle treatment as shown in the fifth and sixth figures, the injection needle 4 only uses the long sleeve 41 as the protective cover of the needle 42, and the long sleeve 41 is fitted before the injection, and is elongated during the injection. After the sleeve 41 is injected, the long sleeve 41 is fitted after the injection; however, after the needle 4 is used, it needs to be disposed of for recycling, but it is easily knocked off during the collection process, and the volume is often easy. Dropped by a collision, causing the needle to be exposed to the outside and posing a danger.

基於解決上述缺點，後續發展出來的安全注射裝置等，如M411948 TW暨M363918 TW所代表的安全針筒結構，均有以針頭被攜帶後移，縮置針筒內藏收的裝置與結構設 計；然觀察此類安全針筒，均出現有結構複雜，導致使用上不便，且容易在操作時出現故障的相同問題。Based on the above-mentioned shortcomings, the safety injection device developed in the future, such as the safety syringe structure represented by M411948 TW and M363918 TW, has a device that is carried by the needle and moved backward, and the device and structure are confined in the syringe. However, when observing such safety syringes, there are the same problems that are complicated in structure, resulting in inconvenience in use, and easy to malfunction in operation.

特別以注射後即需作整具針筒拋棄的成本考重，該配合作用的結構元件繁多、難製，實際上並不盡合實用暨經濟性的完整訴求。In particular, the cost of acupuncture abandonment after injection is considered. The structural components of the coordination function are numerous and difficult to manufacture, and in fact do not fully meet the practical and economical requirements.

本創作之主要目的，係提供一種安全針筒之改進構造；其中，套入在針筒內部的推桿，前段延設有一推頭，可埋套在中央開設一穿孔之彈性塞後方內部形成結合，使由推頭後方前端中央頂面凸設一表面上設有逆止卡肋之蕊柱，在注射完畢後，經朝前推壓進入針頭之後段嘴頭內部，由該逆止卡肋嵌卡至嘴頭內逆止卡槽上完成定位；使由此一體成型的推桿，可提供經使用者反向拉出整具推桿，帶動針頭全段沒入針筒內部，在藉由扭轉推桿推頭後段所設的弱力端點使推桿後段斷裂後再行丟棄；提供內縮針頭的操作簡便性暨結構簡化、降低製作成本等多重效益，為其特徵者。The main purpose of the present invention is to provide an improved structure of a safety syringe; wherein, the push rod is inserted into the inside of the barrel, and a push head is extended in the front section, and the inner part of the elastic plug is opened in the center to form a joint. So that the center top surface of the front end of the push head protrudes from a convex column having a backrest rib on the surface, and after the injection is completed, it is pushed forward into the inside of the mouth of the needle after the injection, and the backrest rib is embedded. The card is positioned on the back-stop card slot in the mouth; the push rod thus integrally formed can be provided by the user to pull out the whole push rod in reverse, and drive the whole part of the needle into the inside of the syringe, by twisting The weak end point set in the rear part of the push rod pushes the rear part of the push rod to be broken and then discarded; providing the convenience of the operation of the shrinking needle head, simplifying the structure, reducing the production cost and the like, and is characterized by it.

本創作之次要目的，仍係提供一種安全針筒之改進構造；其中，在針筒內部呈緊配合套設的彈性塞，其底段側緣的凸環部，在推桿退至後段時，適可推入針筒內段口緣的末段處所預先設置的環凹部，藉此形成推桿的嵌止定位，方便使用者扭斷推桿後段時，推頭暨其前端所攜帶的 的彈性塞暨針頭，均可穩定縮藏在針筒內段，達到針筒使用安全性的絕佳提升效果，為其特徵者。The secondary objective of the present invention is to provide an improved structure of a safety syringe; wherein, in the interior of the barrel, a resilient plug is tightly fitted, and the convex portion of the side edge of the bottom portion is retracted to the rear portion when the push rod is retracted Suitable for pushing into the pre-arranged ring recess at the end of the inner edge of the barrel, thereby forming the embedding positioning of the push rod, which is convenient for the user to twist the rear part of the push rod and carry the push head and the front end thereof. The elastic plug and the needle can be stably confined in the inner section of the syringe to achieve the excellent lifting effect of the safety of the syringe.

本創作之再一目的，仍係提供一種安全針筒之改進構造；其中，推桿被扭斷後段與完整縮藏全段針頭的針筒，可分開拋棄；由該明顯的外觀破壞，更可即提供其他使用者的明確辨識與注意，達到防止意外戳傷或碰觸的標示效果，為其特徵者。A further object of the present invention is to provide an improved construction of a safety syringe; wherein the push rod is twisted and the needle barrel of the full length of the needle can be separately discarded; the damage can be caused by the obvious appearance. That is to provide clear identification and attention of other users, to achieve the effect of preventing accidental puncture or touch, as a feature.

請配合參閱第一~二圖所示，本創作係主要由針頭2、針筒3暨其內側套設的推桿32所組成；其中針頭2係以一嘴頭21置設在針筒3之接口31中，且外周套設一止水環211，內周則設有逆止卡槽212，以與蕊柱331上所設的逆止卡肋3311嵌卡，並於前端置設一針體22；針筒3內部嵌置有一彈性塞31；該彈性塞31中央開設一穿孔311，以供推頭33前端的蕊柱331穿置；推桿32係在後端設有供使用者拇指按壓的壓板322，且前端設有弱力端點321，以供便於施力折斷；推桿32前段朝前延設有一推頭33，適可埋套於彈性塞31後方內部，該推頭33在後方側向設有數翼板332，以供出力時抵至針筒3內面而易折斷，且中央頂面上凸設一蕊柱331，該蕊柱331表面上設有適可推進套入針 頭2內周的逆止卡槽212內卡止的逆止卡肋3311；由上述結構，即可達到由針筒3內段完全縮藏針體13暨避免外露針頭的方便使用效果，其操作請續配合參閱第三圖-A~D、第四圖所示：當使用者將注射液W吸入針筒3內時，彈性塞31係置於該針筒3末端(如第三圖-A)；注射完畢後，使用者拇指再按壓壓板322，促使推頭33前端的蕊柱331進入嘴頭21內部，此時逆止卡肋3311嵌卡至逆止卡槽212上(如第三圖-B)，形成結合定位。Please refer to the first to second figures. The creation system is mainly composed of the needle 2, the syringe 3 and the push rod 32 disposed on the inner side; wherein the needle 2 is placed on the syringe 3 with a mouth 21 In the interface 31, a water stop ring 211 is disposed on the outer circumference, and a check-stop card slot 212 is disposed on the inner circumference to insert a card with the backstop rib 3311 provided on the column 331, and a needle body is disposed at the front end. 22; a flexible plug 31 is embedded in the inner portion of the syringe 3; a through hole 311 is defined in the center of the elastic plug 31 for the center of the front end of the pusher 33; the push rod 32 is provided at the rear end for the user to press the thumb The pressing plate 322 has a weak end point 321 for the purpose of facilitating the breaking of the force; the front end of the push rod 32 is provided with a pushing head 33 extending forwardly to fit inside the elastic plug 31, and the pushing head 33 is The rear side is provided with a plurality of wing plates 332 for being easily broken when the force is applied to the inner surface of the syringe 3, and a column 331 is protruded from the center top surface, and the surface of the column 331 is provided with a suitable push-in needle. The backrest rib 3311 of the inner circumference of the head 2 is locked in the check groove 212; by the above structure, the needle body 13 can be completely retracted by the inner section of the syringe 3, and the convenient use effect of the exposed needle can be achieved. Please refer to the third figure -A~D and the fourth figure for further cooperation. When the user injects the injection solution W into the syringe 3, the elastic plug 31 is placed at the end of the syringe 3 (as shown in the third figure-A). After the injection is completed, the thumb of the user presses the pressing plate 322 again, and the column 331 at the front end of the pusher 33 is pushed into the mouth 21, and the backrest rib 3311 is inserted into the check card slot 212 (as shown in the third figure). -B), forming a binding position.

續，當使用者反向朝後拉出推桿32時，連同推頭33及彈性塞31，乃同時攜帶針頭2全段朝後退縮進入針筒3內部；至推頭33鄰近針筒3口緣前，由於彈性塞31底段側緣部位為與針筒3內壁緊配合套設的凸環部312，因具有些微的彈性，而適可膨脹推入針筒3內段口緣的末段處所預先設置的環凹部34內，藉此形成推桿32在此形成第一階段的嵌止定位(如第三圖-C)；當推桿32定位後，使用者即可簡單的藉由扭轉推桿32對之進行破壞，即可令該推桿32於弱力端點321斷裂(如第三圖-D)，此時分別丟入回收桶A內(如第四圖)，即可達到拋棄的安全操作目的；由此形成縮藏有全段針頭2的針筒3，與推桿32後段係完全脫離的兩件式廢棄品處理方式暨其簡單操作之效果，即為本案的重要特徵 與訴求者。Continued, when the user pulls the push rod 32 backwards and backwards, together with the pusher 33 and the elastic plug 31, the needle 2 is simultaneously carried back and retracted into the inside of the syringe 3; to the pusher 33 adjacent to the syringe 3 Before the edge, since the side edge portion of the bottom portion of the elastic plug 31 is a convex ring portion 312 which is tightly fitted with the inner wall of the syringe 3, it has a slight elasticity and is suitable for being inflated and pushed into the end of the inner edge of the syringe 3. The pre-arranged annular recess 34 is formed in the segment, thereby forming the push rod 32 to form the first stage of the locking position (such as the third figure-C); when the push rod 32 is positioned, the user can simply By twisting the push rod 32 to break it, the push rod 32 can be broken at the weak end 321 (as shown in the third figure-D), and then thrown into the recovery barrel A (as shown in the fourth figure). Achieving the safe operation purpose of abandonment; thereby forming a two-piece waste disposal method in which the syringe 3 with the full-length needle 2 is retracted and completely separated from the rear section of the push rod 32, and the effect of the simple operation thereof is important for the case feature With the claimant.

綜上所陳，本創作確可改善習見安全針筒使用與製作上的不方便性，進而提供更安全暨經濟化製作的多重實用效益，確符新型專利之成立要義。In summary, this creation can indeed improve the inconvenience of the use and production of safety syringes, and thus provide multiple practical benefits of safer and economical production, and confirm the establishment of new patents.

2‧‧‧針頭2‧‧‧ needle

21‧‧‧嘴頭21‧‧‧ mouth

211‧‧‧止水環211‧‧‧ water ring

212‧‧‧止卡槽212‧‧‧ card slot

22‧‧‧針體22‧‧‧ needle

3‧‧‧針筒3‧‧‧Syringe

31‧‧‧彈性塞31‧‧‧Flexible plug

311‧‧‧穿孔311‧‧‧Perforation

312‧‧‧凸環部312‧‧‧ convex ring

32‧‧‧推桿32‧‧‧Put

321‧‧‧弱力端點321‧‧‧ Weak force endpoint

322‧‧‧壓板322‧‧‧ pressure plate

33‧‧‧推頭33‧‧‧ push head

331‧‧‧蕊柱331‧‧‧

3311‧‧‧逆止卡肋3311‧‧‧Check the ribs

332‧‧‧翼板332‧‧‧ wing

34‧‧‧環凹部34‧‧‧rings

4‧‧‧注射針4‧‧‧Injection needle

41‧‧‧長型套蓋41‧‧‧Long cover

42‧‧‧針頭42‧‧‧ needle

A‧‧‧回收桶A‧‧‧Recycling bin

第一圖：係本創作之立體組合圖。The first picture: a three-dimensional combination of the creation.

第二圖：係本創作之立體分解圖。The second picture: is a three-dimensional exploded view of the creation.

第三圖-A~B：係本創作注射之示意圖。The third picture - A ~ B: is a schematic diagram of the creation of this creation.

第三圖-C：係本創作縮藏針頭之示意圖。The third figure-C: is a schematic diagram of the creation of the needle.

第三圖-D：係本創作折斷推桿之示意圖。The third figure-D: is a schematic diagram of the breaking of the putter.

第四圖：係本創作丟入回收桶之示意圖。The fourth picture is a schematic diagram of the creation of the creation into the recycling bin.

第五圖：係習知結構之立體圖。Figure 5: A perspective view of a conventional structure.

第六圖：係習知注射針丟入回收桶之示意圖。Figure 6: Schematic diagram of the introduction of the injection needle into the recycling bin.

2‧‧‧針頭2‧‧‧ needle

21‧‧‧嘴頭21‧‧‧ mouth

211‧‧‧止水環211‧‧‧ water ring

22‧‧‧針體22‧‧‧ needle

3‧‧‧針筒3‧‧‧Syringe

31‧‧‧彈性塞31‧‧‧Flexible plug

311‧‧‧穿孔311‧‧‧Perforation

32‧‧‧推桿32‧‧‧Put

321‧‧‧弱力端點321‧‧‧ Weak force endpoint

322‧‧‧壓板322‧‧‧ pressure plate

33‧‧‧推頭33‧‧‧ push head

331‧‧‧蕊柱331‧‧‧

3311‧‧‧逆止卡肋3311‧‧‧Check the ribs

332‧‧‧翼板332‧‧‧ wing

Claims (1)

一種安全針筒之改進構造，係包括一針頭；係以一嘴頭置設在接口中，該嘴頭外周套設一止水環且內周設有逆止卡槽與逆止卡肋嵌卡，前端則置設一針體；一針筒；係前端設有一接口；針筒內段口緣的末段處設置有一環凹部；一彈性塞；係適可套設在針筒內部嵌置，其中央開設一穿孔之彈性塞；彈性塞之底段側緣，為與針筒內壁緊配合套設的凸環部；一推桿；係套設在針筒內；其後端設有壓板，且前端設有弱力端點，並向前延設有一埋套於彈性塞後方內部之推頭；該推頭在後方側向設有數翼板，且中央頂面上朝前凸設有一穿置彈性塞穿孔，使之形成結合定位之蕊柱；該蕊柱表面上則設有逆止卡肋；藉由上述構造，當推頭前端的蕊柱朝前推入針頭之嘴頭內部時，逆止卡肋試可嵌卡至逆止卡槽上形成結合定位，使可由推桿反向拉出退移時，同步攜帶針頭全段沒入針筒內部完整縮藏；並由彈性塞其底段側緣凸環部，在推桿退至後段時，適可些微膨脹推入針筒內段口緣末段的環凹部，形成推桿嵌止定位；此時，使用者即可扭轉推桿後段，使由推頭後端的弱力端點處斷裂，而與針筒完全脫離， 為其特徵者。An improved structure of a safety syringe includes a needle; a mouth is disposed in the interface, a water stop ring is disposed on the outer circumference of the mouth, and a check card groove and a backrest card rib are embedded in the inner circumference a needle body is arranged at the front end; a syringe is arranged at the front end; a ring recess is arranged at the end of the inner edge of the inner cylinder; an elastic plug; The center of the elastic plug has a perforated elastic plug; the side edge of the bottom portion of the elastic plug is a convex ring portion which is tightly fitted with the inner wall of the syringe; a push rod; the sleeve is sleeved in the syringe; and the rear end is provided with a pressure plate And the front end is provided with a weak end point, and a pusher sleeve is disposed on the inner side of the elastic plug; the push head is provided with a plurality of wings on the rear side, and the central top surface is convexly protruded toward the front The elastic plug is perforated to form a combined positioning pillar; the surface of the pillar is provided with a reverse snap rib; by the above configuration, when the pillar at the front end of the pusher is pushed forward into the mouth of the needle, The back-stop rib test can be inserted into the back-stop card slot to form a combined positioning, so that the needle can be synchronously carried out when the push rod is pulled backward and retracted. The whole section is not completely inserted into the inner cylinder of the syringe; and the elastic part of the bottom part of the bottom section is convexly looped. When the push rod is retracted to the rear part, the micro-expansion may be slightly pushed into the annular recess of the end of the inner edge of the barrel. Forming the push rod engagement positioning; at this time, the user can twist the rear portion of the push rod so that the weak end of the rear end of the push head is broken and completely separated from the syringe. Characterized by it.