1258380 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種一次用安全注射器結構，特別是指--種安全、易於操作孔無須 擔心被人拿來作二次利用的一次用安全注射器結構。 【先前技術】 按，一般習用之注射器係由一針頭及一針蓋所組成’其中該針 頭係於一本體之側邊延伸出若干貼片，且該本體之前端插設有一注 Φ 射針，而該針蓋則爲一圓柱狀，且針蓋之底部開設有一容置孔；此 種習用之注射器之注射針保護方法及其結構使用時，須先將針蓋由 針頭取下，然後以針頭之注射針***患者之注射部內，惟此種習用 ' 之注射器在使用完畢後，必須將針蓋套回針頭上，因而容易造成醫 、 護人員被刺傷而造成感染。 ' 由此可見，上述習用物品仍有諸多缺失，實非一良善之設計者， . 而亟待加以改良。 本案發明人鑑於上述習知技術所衍生的各項缺點，乃亟思加以 改良創新，並經多年苦心孤詣潛心硏究後，終於成功硏發完成本件 • 一次用安全注射器結構。 【發明内容】 本發明之目的即在於提供一種易於操作且安全的一次用安全、注 射器結構。 本發明之次一目的係在於提供一種無須擔心被人拿來丨乍二;^欠不IJ 用的一次用安全注射器結構。 1258380 【實施方式】 請參閱圖一，本發明所提供之一次用安全注射器結構，主要包 括有： 一注射針12頭1，該注射針12頭1係於一插接部11前端插設 有一注射針12，且該插接部11外緣設有-滑塊13，該滑塊13係由 一底座131、一導移桿132及一上擋部133所構成； 一保護套2，該保護套2外緣開設有一滑軌21，而於該滑軌21 之一側或兩側接近前端及後端之處均設有凸點211，且該滑軌21於 p 接近後端之凸點211的後方設有一個或一個以上之止回擋塊212 ; 一注射筒，該注射筒3前端爲可供注射針12頭1插接； 該注射針12頭1係以插接部11套接於注射筒3之前端，而該 - 保護套2係套設於注射針頭1之外緣，其中該注射針頭1係以導移 _ 桿132穿設於保護套2之滑軌21中，並以底座131及抵頂於保護套 - 2之內側壁面，而以上擋部133抵頂於保護套2之外側壁面；本發明 _ 所提供之一次用安全注射器結構使用前，該滑塊13之上擋部133係 固定於保護套2上滑軌21接近後端的凸點211及止回擋塊212之 間，而當欲使用本發明所提供之一次用安全注射器結構時，僅需將 Φ 保護套2向後拉，使上擋部133脫離滑軌21接近後端的凸點211， 並通過滑軌21接近前端之凸點211，致使注射針12由保護套2前端 露出，且該滑塊13之上擋部133後端壁面受滑軌21接近前端之凸 點211檔制而無法退後，此時即可將注射針12***患者注射部，以 進行抽取或注射之動作，而當抽取或注射完畢後，僅需將保護套2 向前推，即可使上擋部133通過滑軌21接近前端所設之凸點211， 而將注射針12包覆於保護套2內，而後繼續將保護套2向前推，使 該滑塊13之上擋部133通過滑軌21後端所設之止回擋塊212,而藉 由止回擋塊212擋制於該上擋部133之前端壁面，令保護套2無法 1258380 再向退推·而使本發明之--次用安全注射器結構可達到避免被二次 利用之目的；另外，該保護套2外緣所設之凸點211及止回擋塊亦 可設於滑軌21之內側壁面用以擋制滑塊13之導移桿132;又，該保 護套2外緣所設之凸點211及止回擋塊212亦可設於保護套2之內 側壁面用以擋制滑塊13之底座13 1。 請參閱圖二，本發明所提供之一次用安全注射器結構中，該保 護套2外緣亦可不設凸點211及止回擋塊212,而於該滑軌21之末 端向下凹設一開口 213，且該滑軌21與開口 2Π之相接處則凸設有 一個或一個以上之凸點211，而該注射針12頭1之上擋部133末端 B 底部則設有一可容置於開口 213內之凸塊134;本創作所提供之一次 用安全注射器結構在使用前，該上擋部133之凸塊134底部係抵頂 _ 於保護套2之外緣，且該凸塊134後側壁面係頂制於凸點211之前 端，而欲使用本發明所提供之一次用安全注射器結構時，僅需按押 . 該上擋部133之前端，藉由該導移桿132作爲槓桿而使該上擋部133 後端底部之凸塊134向上拉，此時即可將保護套2向後拉而使注射 針12由保護套2前端露出，以進行抽取或注射之動作，而當抽取或 注射之動作完成後，則再次按押該上擋部133之前端，藉由該導移 φ 桿132作爲槓桿而使該上擋部Π3後端底部之凸塊134向上拉，並 將保護套2向前推，而使該上擋部133之凸塊134通過凸點211並 容置於保護套2後端之開口 213內，此時，即使再次按壓上擋部133 之前端，亦無法使該凸塊134由開口 213 >3脫出，以達到本發明所 提供之一次用安全注射器結構避免遭人二次使用的目的。 請參閱圖三，本發明所提供之一次用安全注射器結構中，該保 護套2之滑軌21接近前端處亦可不設凸點211，而於滑軌21前端形 成一漸縮之夾置部214,因此在欲進行抽取或注射之動作而將保護套 2向後推時，及可藉由該夾置部214挾持於導移桿132之兩側壁面， 1258380 而將保護套2固定於注射針頭1之後端，以避免保護套2向前移而 妨礙注射或抽取之動作。 請參閱圖四，本發明所提供之一次用安全注射器結構中，該保 護套2除了保留最前端包覆注射針12尖端之位置外，其後側亦可以 片狀或半圓狀代替，以避免擋住注射器上之刻度，使欲抽取定量檢 體或注射定量藥劑時，不至於產生抽取或注射過量與不足的情況。 請參閱圖五，本發明所提供之一次用安全注射器結構中，該滑 軌21接近後端處一可不設凸點211，而直接以連接件4連接上擋部 133與保護套2,因此在欲使用本發明所提供之一次用安全注射器結 B 構時，僅需將連接件4撕開，即可將保護套2相後推，以進行抽取 或注射之動作，另外，該連接件4亦可以黏膠或其他黏貼元件代替。 請參閱圖六及圖七，本發明所提供之一次用安全注射器結構 中，該保護套2亦可於滑軌21末端之止回擋塊212後方一側開設--. 旋入槽215，且於旋入槽與滑軌21相接之位置設有若干止回擋塊 212，因此在進行抽取或注射完畢後，即可將保護套2向前推至注射 針12頭1之最前端，然後旋動保護套2，使該滑塊13之導移桿132 容置於旋入槽215內，並藉由止回擋塊212之擋制，而使導移桿132 φ 無法再由旋入槽215內脫離，使本發明所提供之一次用安全注射器 結構達到無法被二次使用之目的；另外，該滑軌21接近前端亦可不 設凸點211，而於滑軌21前端之一側一開設有一旋入槽215，因此 在進行抽取或注射前，將保護套2相後拉時，可藉由旋動保護套2， 而使導移桿132置入旋入槽215中，以避免保護套2向前移動而妨 礙注射或抽取之動作，且當注射或抽取完畢後，則僅需再次旋動保 護套2，使導移桿132由旋入槽215內脫出，即可將保護套2向前推。 請參閱圖八及圖九’本發明所提供之一次用安全注射器結構 中，該保護套2上亦可不設滑軌21後端之止回擋塊212，且於滑軌 1258380 21末端一側向上延伸凸塊22，並於該凸塊22上開設有扣孔 221，而該上擋部133對應凸塊22之扣孔221位置則設有-凸扣135, 因此當本發明之一次用安全注射器結構在抽取或注射完畢後，僅需 將凸扣135與扣孔221相扣合，即可使本創作達到避免遭人二次使 用之目的；另外，該凸塊上之扣孔221可與上擋部133所設之凸 扣135互相置換；再者，該凸塊22亦可設於接近滑軌21末端之位 置處，且凸塊22則不設扣孔221，而該上擋部133上所設之凸扣則 以一止回擋塊212代替，因此當抽取或注射完畢後，將保護套2向 前推時，使該上擋部133退至凸塊22之後方，以藉由止回擋塊212 ® 擋制於凸塊22之後側壁面，致使該保護套2無法再次向後拉，以達 到避免遭人二次利用之目的，且該上擋部133上之止回擋塊212亦 可設置於該凸塊22上。 請參閱圖十，本發明所提供之一次用安全注射器結構中，該滑 . 軌21後方亦可不設止回擋塊212，而於上擋部133之末端底部向下 延伸一可勾設於保護套2後端內側壁面之扣勾136,因此當本發明所 提供之一次用安全注射器結構使用完畢並將保護套2向前推至注射 針12頭1最前端時，該扣勾136爲穿過保護套2之後緣並勾設於保 φ 護套2後端之內側壁面，而使保護套2無法再次向後拉。 請參閱圖十一，本發明所提供之一次用安全注射器結構中，該 上擋部133端之一側或兩側向下延伸一穿勾137,而該保護套2之滑 軌21接近前端及接近後端的一側或兩側則設有若干凹槽216，並於 保護套2之滑軌21末端的一側或兩側設置一穿孔2Π，本發明所提 供之一次用安全注射器結構使用前，該穿勾137係置於滑軌21接近 後端之凹槽216中作定位，而當本發明所提供之一次用安全注射器 結構使用時，係將保護套2向後拉，使穿勾137脫離滑軌21接近後 端之凹槽216而置入滑軌21接近前端凹槽216內，以避免進行抽取 1258380 或注射時’該保護套2向前移動，而造成抽取或注射上的困難，而 當抽取或注射完畢後’則僅需將保護套2向前推，使穿勾13 7落入 滑軌21末端之穿孔217中，即可使保護套2無法再向後退，以達到 避免遭人二次利用之目的。 請參閱圖十二，本發明所提供之一次用安全注射器結構中，該 滑軌21接近前端之位置處亦可不設凸點211，而於該滑軌21前端之 保護套2上設置一凹扣23，且該上擋部133之前端底緣則設有-凸 扣138,當欲進行抽取或注射而將保護套2向後拉時，藉由該上擋部 133之凸扣138與保護套2之凹扣23相扣合，可避免保護套2產生 • 位移而導致注射或抽取上的困難，另外，該上擋部133之凸扣138 與保護套2之凹扣23亦可互相對換。 請參閱圖十三，本發明所提供之一次用安全注射器結構中，該 滑軌21接近前端之位置處亦可不設凸點211，而於該上擋部π〗之 ' 前端底緣設一凸部139，且該凸部139之前後兩端均呈一斜面，當欲 進行抽取或注射而將保護套2向後拉時，該凸部139會藉由其前端 ' 之斜面使凸部139脫離滑軌21並移動至保護套2件之前緣，使得進 行注射或抽取時，藉由凸部139擋制於保護套2之前端壁面，而防 0止保護套2產生位移，而當抽取或注射完畢後，僅需將保護套2向 前推，此時，該凸部Π9即可藉由其後側之斜面，脫離保護套2之 前端壁面而重新進入滑軌21中。 請參閱圖十四，本發明所提供之一次用安全注射器結構中，該 保護套2亦可保留最前端包覆注射針12尖端之位置外，其後側則以 片體24代替，且該注射筒3上對應該保護套2後側之片狀則設有一 凹部31，因此當保護套2向後推時，該保護套2係以後側之片體24 置入注射器之凹部31內。 請參閱圖十五，本發明所提供之一次用安全注射器結構中，該 1258380 保護套2亦可保留最前端包覆注射針12尖端之位置外，其後側則以 片體24代替，且該凸點211及止回擋塊212係設置於滑軌21之內 側壁面，而該滑塊13上則不設上擋部133，並於該注射筒3之外緣 凸設有可供保護套2後側片體24置入的包覆部32。 請參閱圖十六，、本發明所提供之一次用安全注射器結構中，該 滑軌21接近前端處爲可不設凸點211，而於該上擋部133前緣設有 一凸扣14，且該保護套2之外緣前端則凸設有一凸塊25，該凸塊25 對應上擋部133前緣凸扣14之位置則設有一凹扣251，故，當保護 套2向後推時，可藉由該凸扣Η與凹扣251之扣合，使保護套2不 會產生位移；另外，該上擋部133後端亦可則設有一凸扣Η，且該 凸扣14之末端具有一塞設部141，而保護套2之末端亦設有具凹扣 251之凸塊36，並於該凹扣251之內側設有一扣抵部252，因此，當 本發明所提供之一次用安全注射器使用完畢時，可藉由將保護套2 向前推，使上擋部133後端之凸扣14爲可容置於凹扣251中，並藉 由塞設部141與扣抵部252之相扣合，致使保護套2無法再後推， 以達到避免遭人二次利用之目的；再者，前述上擋部133前端及後 端所設之凸扣14亦可與凸塊25上之凹扣251互換。 請參閱圖十七，本發明所提供之一次用安全注射器結構中，該 插接部11上亦可不設滑塊12,該保護套2則由一前護蓋111及一後 護蓋112所構成，該前護蓋111之開口側緣設有環擋部113,而該前 護蓋111與後護蓋112之間係以一環型片114作連接，且該環型片 114之軸心與前護蓋111及後護蓋111之軸心產生有一偏移角；當本 發明所提供之一次用安全注射器結構在使用前，該前護蓋111與後 護蓋112均套設於注射針頭1之插接部11外緣，而該注射針12則 由一習用之針蓋作蓋覆，而在欲進行抽取或注射之動作時，僅需將 習用之針蓋取下即可，且在抽取或注射完畢後，則將前護蓋111向 1258380 前拉，此時由於環型片114之軸心與前護蓋ill與後護蓋112之軸 心具有一偏移角，因此導致前護蓋111在向拉時會產生偏移，而使 注射針12容置於前護蓋111之內側壁面及環擋部113之間，導致注 射針12無法由前護蓋111穿出，以達到避免遭人二次利用之0的， 另外，該環型片114之軸心亦可與前護蓋111及後護蓋112之軸心 \ 同軸，而該環型片114與前護蓋111之連接則僅爲單點或單側之連 接，使該前護蓋111向前拉時亦會產生偏移之狀況。 請參閱圖十八，本發明所提供之一次用安全注射器結構中，該 滑塊13亦可與插接部11分離，該插接部11上向內凹設一環形凹槽 ® 15，而該滑塊13之底座131中間則開設有一具扣孔16，且該扣孔 16爲包覆於環形凹槽15外緣，使本發明所提供之一次用安全注射器 . 結構，可藉由旋動插接部11來調整注射針12尖端斜面之方向，另 外，該插接部11前端之外緣亦可對應注射針12尖端斜面之位置， - 而設置若干標示，使注射針12***患者之注射部後，醫護人員在旋 動插接部11時，可得知注射針12尖端斜面之方向。 請參閱圖十九、二十及圖二十一，本發明所提供之一次用安全 注射器結構中，該保護套2之止回擋塊212後端爲可開設一容置部 φ 26，並於容置部26內側周緣設有若干止回擋塊212，且該保護套2 係由該滑軌21接近後端所設之凸點211位置向前漸縮，因此當抽取 及注射完畢而將保護套2向前推時，可將上擋部133壓入容置部26 內，並藉由止回擋塊212之擋制，使上擋部133無法脫離容置部26， 以達到避免遭二次利用之目的；另外，該保護套2亦可不採由滑軌 21接近後端所設之凸點211處向前呈漸縮狀之設計，而使保護套2 自滑軌21接近後端所設之凸點211處向上隴起；再者，該滑軌21 接近後端之位置亦可不設凸點211，而以一罩套27罩蓋於上擋部133 上，且該罩蓋27前端及後端分別延伸有一蓋體271可置於滑軌21 1258380 及容置部26內：令本發明之次丨ί]安全注射器結構在使）|Γ前…籍:f I 罩蓋26之定位使保護套2不會產生位移，以避免發生危險。1258380 IX. Description of the Invention: [Technical Field] The present invention relates to a safety syringe structure for a single use, and in particular to a safety syringe that is safe and easy to operate without worrying about being used for secondary use. structure. [Prior Art] According to the conventional syringe, the needle is composed of a needle and a needle cover. The needle is attached to a side of a body to extend a plurality of patches, and a front end of the body is provided with a Φ injection needle. The needle cover is a cylindrical shape, and a receiving hole is formed in the bottom of the needle cover; when the needle protection method and the structure of the conventional syringe are used, the needle cover must be removed from the needle first, and then the needle is used. The injection needle is inserted into the injection part of the patient. However, after the syringe of the conventional use is used, the needle cover must be put back on the needle, which may easily cause the medical and nursing personnel to be stabbed and infected. From this, it can be seen that there are still many missing items in the above-mentioned household items, which is not a good designer. It needs to be improved. In view of the shortcomings derived from the above-mentioned prior art, the inventor of the present invention has improved and innovated, and after years of painstaking efforts, he finally succeeded in completing the preparation of this article. SUMMARY OF THE INVENTION It is an object of the present invention to provide a disposable safety and injector structure that is easy to operate and safe. A second object of the present invention is to provide a safety syringe structure that does not have to be taken care of by a person; 1258380 [Embodiment] Referring to FIG. 1 , the structure of the disposable safety syringe provided by the present invention mainly includes: an injection needle 12 head 1 , and the injection needle 12 head 1 is inserted into an insertion end of an insertion portion 11 to provide an injection. The needle 12 and the outer edge of the plug portion 11 are provided with a slider 13 which is composed of a base 131, a guiding rod 132 and an upper blocking portion 133; a protective sleeve 2, the protective sleeve 2, a slide rail 21 is defined on the outer edge, and a bump 211 is disposed on one side or both sides of the slide rail 21 near the front end and the rear end, and the slide rail 21 is adjacent to the bump 211 of the rear end. There is one or more stop blocks 212 at the rear; a syringe, the front end of the syringe 3 is for inserting the needle 1 of the injection needle 12; the needle 1 is attached to the injection portion 11 by the insertion portion 11 The front end of the sleeve 3, and the protective sleeve 2 is sleeved on the outer edge of the injection needle 1, wherein the injection needle 1 is inserted into the slide rail 21 of the protective sleeve 2 by the guide rod 132, and the base 131 is used. And abutting against the inner side wall surface of the protective cover-2, and the upper blocking portion 133 abuts against the outer side wall surface of the protective cover 2; the present invention provides a one-time safety note Before the structure of the slider is used, the upper portion 133 of the slider 13 is fixed between the bump 211 of the protective cover 2 and the check block 212 near the rear end, and is used for the primary use provided by the present invention. In the safety syringe structure, the Φ protective sleeve 2 only needs to be pulled back, so that the upper blocking portion 133 is separated from the convex point 211 of the sliding rail 21 near the rear end, and the convex point 211 of the front end is accessed through the sliding rail 21, so that the injection needle 12 is protected by the protective sleeve. 2 The front end is exposed, and the rear end wall surface of the upper portion 133 of the slider 13 is blocked by the bump 211 of the sliding rail 21 near the front end, and can not be retracted. At this time, the injection needle 12 can be inserted into the injection portion of the patient for extraction. Or the action of the injection, and after the extraction or injection is completed, only the protective sleeve 2 needs to be pushed forward, so that the upper blocking portion 133 is close to the convex point 211 provided at the front end through the sliding rail 21, and the injection needle 12 is covered. In the protective cover 2, the protective cover 2 is further pushed forward, so that the upper blocking portion 133 of the sliding block 13 passes through the non-returning block 212 provided at the rear end of the sliding rail 21, and is blocked by the non-returning block 212. The front end wall surface of the upper blocking portion 133 is formed, so that the protective cover 2 cannot be pushed back by 1258380, and the present invention is used for secondary use. The full syringe structure can achieve the purpose of avoiding secondary use; in addition, the bump 211 and the check stop provided on the outer edge of the protective cover 2 can also be disposed on the inner side wall surface of the slide rail 21 for blocking the slider 13 The guiding rod 132; further, the protruding point 211 and the non-returning block 212 provided on the outer edge of the protective sleeve 2 can also be disposed on the inner side wall surface of the protective sleeve 2 for blocking the base 13 1 of the slider 13. Referring to FIG. 2 , in the structure of the primary safety syringe provided by the present invention, the outer edge of the protective sleeve 2 may not have the protrusion 211 and the check block 212 , and an opening is recessed at the end of the slide rail 21 . 213, and the contact between the slide rail 21 and the opening 2 is convexly provided with one or more bumps 211, and the bottom of the end B of the upper end of the needle 133 of the injection needle 12 is provided with an opening. The bump 134 in the 213; the bottom of the bump 134 of the upper stop portion 133 is abutted against the outer edge of the protective sleeve 2, and the rear side of the bump 134 is used before the use of the safety syringe structure provided by the present invention. The wall is topped on the front end of the bump 211, and when the safety syringe structure provided by the present invention is used, only the front end of the upper stop 133 is used, and the guide rod 132 is used as a lever. The protrusion 134 at the bottom end of the rear end of the upper stop portion 133 is pulled up, and the protective sleeve 2 can be pulled back to expose the injection needle 12 from the front end of the protective cover 2 for extraction or injection, and when the injection or injection is performed. After the action is completed, the front end of the upper stop portion 133 is again pressed by the guide φ The lever 134 of the rear end of the upper end portion Π3 is pulled up as a lever, and the protective sleeve 2 is pushed forward, so that the protrusion 134 of the upper blocking portion 133 passes through the bump 211 and is received in the protective sleeve. In the opening 213 of the rear end, at this time, even if the front end of the upper blocking portion 133 is pressed again, the protrusion 134 cannot be disengaged from the opening 213 > 3 to avoid the safety syringe structure provided by the present invention. The purpose of being used twice. Referring to FIG. 3 , in the structure of the primary safety syringe provided by the present invention, the sliding rail 21 of the protective cover 2 may not have a convex point 211 near the front end, and a tapered clamping portion 214 is formed at the front end of the sliding rail 21 . Therefore, when the protective cover 2 is pushed backwards in the action of extracting or injecting, and the clamping portion 214 is held by the two side wall surfaces of the guiding rod 132, 1258380, the protective cover 2 is fixed to the injection needle 1 The rear end prevents the protective cover 2 from moving forward and hinders the action of injection or extraction. Referring to FIG. 4 , in the structure of the primary safety syringe provided by the present invention, the protective cover 2 can be replaced by a sheet or a semi-circular shape in addition to the position of the front end covering the tip end of the injection needle 12 to avoid blocking. The scale on the syringe is such that when a quantitative sample or a dose of a drug is to be taken, there is no possibility of extraction or overdose. Referring to FIG. 5 , in the structure of the primary safety syringe provided by the present invention, the sliding rail 21 may be provided with no bumps 211 near the rear end, and the upper blocking portion 133 and the protective sleeve 2 are directly connected by the connecting member 4, so In order to use the one-time safety syringe structure provided by the present invention, the protective sleeve 2 can be pushed back for the purpose of extraction or injection only by tearing the connecting member 4, and the connecting member 4 is also It can be replaced by glue or other adhesive components. Referring to FIG. 6 and FIG. 7 , in the structure of the primary safety syringe provided by the present invention, the protective cover 2 can also be opened at the rear side of the check block 212 at the end of the slide rail 21 -- into the slot 215 , and A plurality of check stops 212 are disposed at a position where the screw-in slot is in contact with the slide rail 21, so that after the extraction or injection is completed, the protective cover 2 can be pushed forward to the front end of the needle 1 of the injection needle 12, and then Rotating the protective cover 2 so that the guiding rod 132 of the slider 13 is received in the screwing groove 215, and by the blocking of the stopping block 212, the guiding rod 132 φ can no longer be screwed into the slot The detachment in the 215 makes the primary safety syringe structure provided by the present invention unable to be used for the second time; in addition, the slide rail 21 may not be provided with the convex point 211 near the front end, and may be opened on one side of the front end of the slide rail 21. There is a screwing groove 215, so that when the protective sleeve 2 is pulled back before the extraction or injection, the guiding rod 132 can be placed into the screwing groove 215 by rotating the protective sleeve 2 to avoid the protective sleeve. 2 Move forward to hinder the action of injection or extraction, and when the injection or extraction is completed, only need to rotate again The sheath 2 pushes the guide rod 132 out of the screwing groove 215, so that the protective cover 2 can be pushed forward. Referring to FIG. 8 and FIG. 9 , in the structure of the primary safety syringe provided by the present invention, the protective sleeve 2 may not have the check block 212 at the rear end of the slide rail 21 , and the end of the slide rail 1258380 21 is upward. The protrusion 22 is extended on the protrusion 22, and the button 221 is disposed on the protrusion 22, and the button 135 is disposed at the position of the button hole 221 of the protrusion 22, so that the safety syringe of the present invention is used. After the extraction or injection is completed, only the buckle 135 is fastened to the buckle hole 221, so that the creation can be avoided for secondary use; in addition, the buckle hole 221 on the protrusion can be connected with the upper The protrusions 135 of the blocking portion 133 are replaced with each other. Further, the protrusions 22 may be disposed at positions close to the ends of the slide rails 21, and the protrusions 22 are not provided with the fastening holes 221, and the upper blocking portions 133 are disposed. The protruding buckle is replaced by a stop block 212. Therefore, when the protective cover 2 is pushed forward after the extraction or injection is completed, the upper blocking portion 133 is retracted to the rear of the convex block 22 to stop The return block 212 ® is blocked on the side wall surface behind the bump 22, so that the protective cover 2 cannot be pulled back again to avoid being afflicted. The purpose of use, and the stopper on the upper stopper portion 133 is also back stopper 212 may be disposed on the bumps 22. Referring to FIG. 10 , in the structure of the primary safety syringe provided by the present invention, the sliding rail 21 may not be provided with a non-returning block 212, and the bottom end of the upper blocking portion 133 may extend downward to protect the protection. The sleeve 136 is sleeved on the inner wall surface of the rear end of the sleeve 2, so that when the primary safety syringe structure provided by the present invention is used and the protective sleeve 2 is pushed forward to the foremost end of the needle 1 of the injection needle 12, the buckle 136 is passed through. The trailing edge of the protective cover 2 is hooked on the inner side wall surface of the rear end of the φ sheath 2, so that the protective cover 2 cannot be pulled back again. Referring to FIG. 11 , in the structure of the primary safety syringe provided by the present invention, one side or both sides of the upper end 133 end extend downwardly through a hook 137 , and the slide rail 21 of the protective cover 2 is close to the front end and A plurality of grooves 216 are disposed on one side or both sides of the rear end, and a through hole 2 is disposed on one side or both sides of the end of the slide rail 21 of the protective cover 2, before the safety syringe structure provided by the present invention is used, The threading hook 137 is placed in the groove 216 of the sliding rail 21 near the rear end for positioning. When the safety syringe structure provided by the present invention is used, the protective sleeve 2 is pulled backward to make the threading hook 137 slip off. The rail 21 is close to the groove 216 of the rear end and is placed in the front end groove 216 of the sliding rail 21 to avoid the movement of the protective sleeve 2 when the pump 1258380 is extracted or injected, which causes difficulty in extraction or injection. After the extraction or injection is completed, it is only necessary to push the protective sleeve 2 forward, so that the wearing hook 13 7 falls into the perforation 217 at the end of the sliding rail 21, so that the protective sleeve 2 can no longer be retracted, so as to avoid being robbed. The purpose of secondary use. Referring to FIG. 12, in the structure of the primary safety syringe provided by the present invention, the position of the sliding rail 21 near the front end may not be provided with the convex point 211, and the protective sleeve 2 at the front end of the sliding rail 21 is provided with a concave buckle. 23, and the bottom edge of the front end of the upper blocking portion 133 is provided with a convex buckle 138. When the protective sleeve 2 is pulled backwards when the extraction or injection is to be performed, the convex buckle 138 and the protective sleeve 2 of the upper blocking portion 133 are The female buckles 23 are engaged with each other to avoid the difficulty of injection or extraction caused by the displacement of the protective sleeve 2. In addition, the male buckles 138 of the upper blocking portion 133 and the female buckles 23 of the protective sleeve 2 can also be mutually exchanged. Referring to FIG. 13 , in the structure of the primary safety syringe provided by the present invention, the position of the sliding rail 21 near the front end may not be provided with the convex point 211, and the bottom edge of the front end of the upper blocking portion is provided with a convex edge. The portion 139 has a sloped surface at both the front and rear ends of the convex portion 139. When the protective sleeve 2 is pulled backwards when the extraction or injection is to be performed, the convex portion 139 will be detached from the convex portion 139 by the inclined surface of the front end thereof. The rail 21 is moved to the front edge of the protective cover 2 so that when the injection or extraction is performed, the convex portion 139 is blocked on the front end wall surface of the protective cover 2, and the protective sleeve 2 is prevented from being displaced, and when the extraction or injection is completed After that, the protective cover 2 only needs to be pushed forward. At this time, the convex portion 9 can be re-entered into the sliding rail 21 by being separated from the front end wall surface of the protective cover 2 by the inclined surface on the rear side thereof. Referring to FIG. 14 , in the structure of the primary safety syringe provided by the present invention, the protective cover 2 can also retain the position of the front end covering the tip end of the injection needle 12, and the rear side is replaced by the sheet body 24, and the injection is performed. The sheet 3 on the rear side of the sleeve 3 corresponding to the protective cover 2 is provided with a recess 31. Therefore, when the protective cover 2 is pushed backward, the protective sleeve 2 is placed in the concave portion 31 of the syringe. Referring to FIG. 15 , in the structure of the primary safety syringe provided by the present invention, the 1258380 protective sleeve 2 can also retain the position of the front end covering the tip end of the injection needle 12, and the rear side is replaced by the sheet body 24, and the The bump 211 and the check block 212 are disposed on the inner side wall surface of the slide rail 21, and the upper block portion 133 is not disposed on the slider 13, and the outer sleeve of the syringe barrel 3 is convexly provided with a protective sleeve 2 The cover portion 32 into which the rear side sheet 24 is placed. Referring to FIG. 16 , in the structure of the primary safety syringe provided by the present invention, the sliding rail 21 is provided with a protruding point 211 near the front end, and a convex buckle 14 is disposed at the front edge of the upper blocking portion 133. A bump 25 is protruded from the front end of the outer edge of the protective sleeve 2, and a recess 251 is provided corresponding to the position of the front edge of the upper blocking portion 133. Therefore, when the protective sleeve 2 is pushed backward, The shackle of the shackle and the shackle 251 is not engaged with the shackle 251. The rear end of the shackle 133 is also provided with a shackle, and the end of the shackle 14 has a plug. The fixing portion 2 is also provided with a projection 36 having a concave buckle 251, and a buckle portion 252 is disposed on the inner side of the concave buckle 251. Therefore, when the primary safety syringe provided by the present invention is used, When the sleeve 2 is pushed forward, the buckle 14 at the rear end of the upper portion 133 can be received in the recessed buckle 251, and is interlocked with the buckle portion 252 by the plug portion 141. Therefore, the protective cover 2 can no longer be pushed back to avoid the purpose of secondary use; further, the front end and the rear end of the upper blocking portion 133 are provided. Male fitting 14 may snap recess 251 and the bumps 25 of the exchange. Referring to FIG. 17, in the structure of the primary safety syringe provided by the present invention, the plug portion 11 may not be provided with a slider 12, and the protective cover 2 is composed of a front cover 111 and a rear cover 112. The opening side edge of the front cover 111 is provided with a ring stop portion 113, and the front cover 111 and the rear cover 112 are connected by a ring piece 114, and the axis and the front of the ring piece 114 are The axis of the cover 111 and the rear cover 111 is offset by an angle; when the primary safety syringe structure provided by the present invention is used, the front cover 111 and the rear cover 112 are sleeved on the injection needle 1 The outer edge of the insertion portion 11 is covered by a conventional needle cover, and when the action of extracting or injecting is to be performed, only the conventional needle cover needs to be removed, and After the injection is completed, the front cover 111 is pulled forward to the 1258380. At this time, since the axial center of the annular piece 114 has an offset angle with the axial center of the front cover ill and the rear cover 112, the front cover 111 is caused. When the pull is pulled, an offset is generated, and the injection needle 12 is accommodated between the inner side wall surface of the front cover 111 and the ring stopper 113, resulting in the injection needle 12 The method is passed out by the front cover 111 to avoid the secondary use of the zero. In addition, the axis of the annular piece 114 can also be coaxial with the axis of the front cover 111 and the rear cover 112. The connection between the annular sheet 114 and the front cover 111 is only a single point or a single side connection, so that the front cover 111 is also biased when it is pulled forward. Referring to FIG. 18 , in the structure of the primary safety syringe provided by the present invention, the slider 13 can also be separated from the insertion portion 11 , and the insertion portion 11 is recessed inwardly with an annular groove ® 15 . A button hole 16 is defined in the middle of the base 131 of the slider 13 , and the button hole 16 is wrapped around the outer edge of the annular groove 15 , so that the safety syringe provided by the present invention can be constructed by rotating The connecting portion 11 adjusts the direction of the tip end of the injection needle 12, and the outer edge of the front end of the insertion portion 11 can also correspond to the position of the tip of the injection needle 12, and a plurality of indications are provided to insert the injection needle 12 into the injection portion of the patient. After that, the medical staff can know the direction of the bevel of the tip end of the injection needle 12 when the insertion portion 11 is rotated. Referring to FIG. 19, FIG. 20 and FIG. 21, in the structure of the primary safety syringe provided by the present invention, the rear end of the check block 212 of the protective cover 2 can open a receiving portion φ 26 and The inner circumference of the accommodating portion 26 is provided with a plurality of non-returning blocks 212, and the protective sleeve 2 is tapered forward by the position of the ribs 211 provided at the rear end of the sliding rail 21, so that it is protected when the extraction and injection are completed. When the sleeve 2 is pushed forward, the upper stopper portion 133 can be pressed into the accommodating portion 26, and the upper stopper portion 133 can not be disengaged from the accommodating portion 26 by the stop of the check stopper 212. The purpose of the secondary use; in addition, the protective cover 2 can also be designed to be tapered forwardly from the bump 211 provided at the rear end of the slide rail 21, so that the protective cover 2 is close to the rear end of the slide rail 21 The bump 211 is raised upwards. Further, the slide rail 21 may be located near the rear end without a bump 211, and a cover 27 is covered on the upper block 133, and the front end of the cover 27 is And a rear cover 271 can be respectively disposed in the slide rail 21 1258380 and the accommodating portion 26: the safety syringe structure of the present invention is made before Membership: f I of the cover 26 is positioned so that no displacement of the protective sheath 2, to avoid danger.
請參閱圖二十二及圖二十三，本發明所提供之一次用安全注射 器結構中，該滑軌21之後端亦可不設止回擋塊212，而於滑軌21後 端或保護套2後端內側壁面產生偏移斜角27，並於保護套2前端設 置僅可供注射針12穿出之環擋部28,致使因注射或抽取完畢而將保 護套2向前推時，該保護套2受偏移斜角27之影響，而使保護套2 產生傾斜，致使注射針12遭環擋部28擋制，致使注射針12無法再 由保護套2穿出，以達到避免遭人二次利用之目的。 請參閱圖二十四，本發明所提供之一次用安全注射器結構，主 要包括有： 一注射針頭1，該注射針頭1前端插設有一注射針12，且該注 射針頭1之外緣設有一滑塊13，該滑塊13係由一底座131、一導移 桿132及一上擋部133所構成； 一留置針6，該留置針6係於一套管61前端延伸有一軟管62， 而套管61後端緣原則環設有一環擋部63 ; 一保護套2，該保護套2外緣設有一滑軌21，而於該滑軌21之 一側或兩側接近前端及後端之處均設有凸點211，且該滑軌21於接 近後端之凸點211的後方設有一個或一個以上之止回擋塊212,另 外，該保護套2前端開口之內緣則設有若干勾設部7 ; 該留置針6係以套管61套設於注射針12頭1之前緣，而該軟 管62則包覆於注射針12之外側，且該保護套2係套設於注射針頭1 之外緣，其中該注射針頭1係以導移桿132穿設於保護套2之滑軌 21中，並以底座131及抵頂於保護套2之內側壁面，而以上擋部133 抵頂於保護套2之外側壁面；當本發明所提供之一次用安全注射器 結構使用前，該上擋部133係固定於滑軌21接近後端的凸點211與 1258380 止回擋塊212之間，而當欲以注射針12***患者之注射部時，僅需 將保護套2向後拉，使上擋部133脫離滑軌21接近後端的凸點211， 並通過滑軌21接近前端之凸點211，致使注射針12由保護套2前端 露出，且該滑塊13之上擋部133後端壁面受滑軌21接近前端之凸 點211擋制而無法退後，然後即可將注射針12***患者注射部，此 時該留置針6後端之環擋部63爲穿出保護套2之前端開口，且該環 擋部63之後側壁面並與保護套2前端開口之內緣所設之勾設部7前 緣相接，然後將注射針12頭1向後拉，該留置針6即可藉由勾設部 7之擋制而留置於患者之注射部上作抽取及注射之用，該注射針12 則由患者之注射部脫離，且當注射針頭1繼續向後拉時，該上擋部 133會通過保護套2之止回擋塊212，並藉由止回擋塊212之擋制， 使該保護套2無法再向後拉，以達到避免遭人二次利用之目的；另 外，該保護套2外緣所設之凸點211及止回擋塊212亦可設於滑軌 , 21之內側壁面用以擋制滑塊13之導移桿132 ;又，該保護套2外緣 所設之凸點211及止回擋塊212亦可設於保護套2之內側壁面用以 擋制滑塊13之底座131。 請參閱圖二十五，本發明所提供之一次用安全注射器結構使用 φ 前，該保護套2之前緣抵頂於套管61之後側，而該注射針12則由 一習用之針蓋作蓋覆，而再欲進行抽取或注射時，僅需將習用之針 蓋取下，然後將注射針12連同留置針6***患者之注射部，然後握 住保護套2而將注射針頭1向後拉，此時，該注射針12由患者之注 射部拔出，並受保護套2之包覆，而該留置針6則受保護套2前端 壁面擋制而無法後退，因此使該留置針6留置於患者之注射部上以 進行抽取或注射之動作，另外，該保護套2亦可僅留前端包覆注射 針12之尖端部份，而保護套之後端則以一片體24代替。 請參閱圖二十六、二十七、二十八、二十九、三十、三十--、 1258380 二十一、三十三、三十四、三十五、三十六、三十七、三十八、Η 十九、四十、四十一、四十二及圖四十三，本發明上述具有留置針 之一次用安全注射器結構中，除保護套2前端開口設有勾設部7外， 其保護套2及滑塊13之結構亦可如前述圖二、三、五、六、七、八、 九、十、十一、十二、十三、十六、十七、十九、二卜、二十 -、 二十二及圖二十三所示。 請參閱圖四十三及圖四十四，本發明所提供之一次用安全注射 器結構中，該環型片114亦可以一伸縮管115代替，且該伸縮管115 | 之軸心與注射針112之軸心產生有一偏移角，因此該前護蓋111向 前拉時會產生偏移之狀況。 請參閱圖四十五，本發明所提供之一次用安全注射器結構中， . 該注射針頭1之外緣爲可凸設若干對稱之手握部115，而該保護套2 上則開設有可供手握部115穿入之滑移槽218,使醫護人員在操作本 ' 創作所提供之一次用安全注射器結構時，可藉由握住手握部115來 操作，以免注射針頭1被保護套2包覆住而產生不易操作之狀況。 上列詳細說明係針對本發明之一可行實施例之具體說明，惟該 實施例並非用以限制本發明之專利範圍，凡未脫離本發明技藝精神 • 所爲之等效實施或變更，均應包含於本案之專利範圍中。 綜上所述，本案不但在技術思想上確屬創新，並能較習用物品 增進上述多項功效，應已充分符合新穎性及進步性之法定發明專利 要件，爰依法提出申請，懇請貴局核准本件發明專利申請案，以 勵發明，至感德便。 【圖式簡單說明】 請參閱以下有關本發明一較佳實施例之詳細說明及其附圖，將 可進一步瞭解本發明之技術內容及其目的功效；有關該實施例之附 1258380 圖爲： 圖一爲本發明一次用安全注射器結構之頂面立體分解視圖； 圖二爲該一次用安全注射器結構第一實施例之立體分解圖； 圖三爲該一次用安全注射器結構第二實施例之立體分解圖； 圖四爲該一次用安全注射器結構第三實施例之立體分解圖； \ 圖五爲該一次用安全注射器結構第四實施例之立體外觀圖； 圖六爲該一次用安全注射器結構第五實施例之立體分解圖； 圖七爲該一次用安全注射器結構第六實施例之立體分解圖； I 圖八爲該一次用安全注射器結構第七實施例之立體外觀圖； 圖九爲該一次用安全注射器結構第八實施例之立體外觀圖； 圖十爲該一次用安全注射器結構第九實施例之立體分解圖·， . 圖十一爲該一次用安全注射器結構第十實施例之立體分解圖； 圖十二爲該一次用安全注射器結構第十一實施例之立體分解 :圖； 圖十三爲該一次用安全注射器結構第十二實施例之立體分解 rgt · 圖， 圖十四爲該一次用安全注射器結構第十三實施例之立體分解 馨圖； 圖十五爲該一次用安全注射器結構第十四實施例之立體分解 圖； 圖十六爲該一次用安全注射器結構第十五實施例之立體分解 圖； 圖十七爲該一次用安全注射器結構第十六實施例之立體分解 rsj . 圖， 圖十八爲該一次用安全注射器結構第十七實施例之立體剖視 1258380 圖十九爲該--次甩安全注射器結構第十八實施例之立體分解 圖； 圖二十爲該一次用安全注射器結構第十九實施例之立體分解 圖； 圖二十一爲該一次用安全注射器結構第二十實施例之立體分解 圖； 圖二十二爲該一次用安全注射器結構第二十一實施例之立體分 解圖； 圖二十三爲該一次用安全注射器結構第二十二實施例之立體分 •解圖； 圖二十四爲該一次用安全注射器結構第二十三實施例之立體分 解圖； 圖二十五爲該一次用安全注射器結構第二十四實施例之立體分 : 解圖； 圖二十六爲該一次用安全注射器結構第二十五實施例之立體分 - 解圖； 圖二十七爲該一次用安全注射器結構第二十六實施例之立體分 φ 解圖； 圖二十八爲該一次用安全注射器結構第一十七實施例之立體外 觀圖； 圖二十九爲該一次用安全注射器結構第二十八實施例之立體分 解圖； 圖三十爲該一次用安全注射器結構第二十九實施例之立體分解 圖； 圖三十一爲該一次用安全注射器結構第三十實施例之立體外觀 1258380 圖三十二爲該一次用安全注射器結構第三十一實施例之立體外 觀圖； 圖三十三爲該一次用安全注射器結構第三十二實施例之立體分 解圖； 圖三十四爲該一冬用安全注射器結構第三十三實施例之立體分 解圖； 圖三十五爲該一次用安全注射器結構第三十四實施例之立體分 解圖； _ 圖三十六爲該一次用安全注射器結構第三十五實施例之立體分 解圖； 圖三十七爲該一次用安全注射器結構第三十六實施例之立體分 . 解圖； 圖三十八爲該一次用安全注射器結構第三十七實施例之立體分 • 解圖； 圖三十九爲該一次用安全注射器結構第三十八實施例之立體分 解圖； 圖四十爲該一次用安全注射器結構第三十九實施例之立體分解 #圖； 圖四十一爲該一次用安全注射器結構第四十實施例之立體分解 圖； 圖四十二爲該一次用安全注射器結構第四十一實施例之立體分 解圖； 圖四十三爲該一次用安全注射器結構第四十二實施例之立體分 解圖； 圖四十四爲該一次用安全注射器結構第四十三實施例之立體分 解圖；以及 1258380 圖四十五爲該一次用安全注射器結構第四十四實施例之立體分 解圖。 【主要元件符號說明】 1 注射針頭 11 插設部 12 注射針 13 滑塊 131底座 132導移桿 133上擋部 2 保護套 21 滑軌 212止回檔塊 211凸點Referring to FIG. 22 and FIG. 23, in the structure of the primary safety syringe provided by the present invention, the rear end of the slide rail 21 may not be provided with the check block 212, but at the rear end of the slide rail 21 or the protective cover 2 The inner side wall surface of the rear end is offset by an oblique angle 27, and a ring stop portion 28 for allowing the injection needle 12 to pass out is disposed at the front end of the protective sleeve 2, so that when the protective sleeve 2 is pushed forward by injection or extraction, the protection is provided. The sleeve 2 is affected by the offset bevel 27, so that the protective sleeve 2 is tilted, so that the injection needle 12 is blocked by the ring stop portion 28, so that the injection needle 12 can no longer be worn out by the protective sleeve 2, so as to avoid being robbed. The purpose of secondary use. Referring to FIG. 24, the safety syringe structure provided by the present invention mainly comprises: an injection needle 1 having an injection needle 12 inserted at the front end of the injection needle 1 and a slip on the outer edge of the injection needle 1 The block 13 is composed of a base 131, a guiding rod 132 and an upper blocking portion 133. An indwelling needle 6 is attached to a front end of the sleeve 61 and has a hose 62. The rear end edge of the sleeve 61 is provided with a ring stop portion 63. A protective cover 2 is provided with a slide rail 21 on the outer edge of the sleeve 21, and the front end and the rear end are adjacent to one side or both sides of the slide rail 21. Each of the front end openings of the protective cover 2 is provided with a bump 211, and the slide rail 21 is provided with one or more check blocks 212 at the rear of the bump 211 near the rear end. a plurality of hooking portions 7; the indwelling needle 6 is sleeved on the front edge of the needle 1 of the injection needle 12, and the hose 62 is wrapped on the outer side of the injection needle 12, and the protective sleeve 2 is sleeved on the sleeve The outer edge of the injection needle 1 is inserted into the slide rail 21 of the protective cover 2 by the guide rod 132, and is supported by the base 131 and The inner side surface of the protective cover 2, and the upper blocking portion 133 abuts against the outer side wall surface of the protective cover 2; the upper blocking portion 133 is fixed to the sliding rail 21 near the rear end before the primary safety safety syringe structure provided by the present invention is used. Between the bump 211 and the 1258380 check stopper 212, when the injection needle 12 is to be inserted into the injection portion of the patient, the protective sleeve 2 only needs to be pulled back, so that the upper stop portion 133 is separated from the bump of the slide rail 21 near the rear end. 211, and the bump 21 is approached to the front end of the bump 211, so that the injection needle 12 is exposed by the front end of the protective sleeve 2, and the rear end wall surface of the upper portion 133 of the slider 13 is blocked by the bump 211 of the sliding rail 21 near the front end. However, the needle 12 can be inserted into the injection portion of the patient, and the ring portion 63 at the rear end of the indwelling needle 6 is opened at the front end of the protective sleeve 2, and the side wall surface of the ring portion 63 is The front edge of the hooking portion 7 provided on the inner edge of the front end opening of the protective cover 2 is connected, and then the head 1 of the injection needle 12 is pulled backward, and the indwelling needle 6 can be left in the patient by the blocking of the hooking portion 7. The injection portion is used for extraction and injection, and the injection needle 12 is detached from the injection portion of the patient. And when the injection needle 1 continues to pull back, the upper blocking portion 133 passes through the check stopper 212 of the protective sleeve 2, and by the stop of the check stopper 212, the protective sleeve 2 can no longer be pulled back, The purpose of avoiding secondary use is achieved; in addition, the bump 211 and the check block 212 provided on the outer edge of the protective cover 2 can also be disposed on the slide rail, and the inner side wall surface of the 21 is used to block the guide of the slider 13 The rod 211 and the non-return block 212 disposed on the outer edge of the protective sleeve 2 may also be disposed on the inner side wall surface of the protective sleeve 2 for blocking the base 131 of the slider 13 . Referring to Figure 25, before the use of the safety syringe structure of the present invention, the front edge of the protective cover 2 abuts against the rear side of the sleeve 61, and the injection needle 12 is covered by a conventional needle cover. When it is desired to perform the extraction or injection, it is only necessary to remove the conventional needle cover, and then insert the injection needle 12 together with the indwelling needle 6 into the injection portion of the patient, and then hold the protective sleeve 2 to pull the injection needle 1 backward. At this time, the injection needle 12 is pulled out by the injection portion of the patient and covered by the protective cover 2, and the indwelling needle 6 is blocked by the front wall surface of the protective cover 2 and cannot be retracted, thereby leaving the indwelling needle 6 The injection part of the patient is subjected to an action of withdrawing or injecting, and in addition, the protective cover 2 may only have the tip end covering the tip end portion of the injection needle 12, and the rear end of the protective cover is replaced by a piece body 24. Please refer to Figures 26, 27, 28, 29, 30, 30-, 1258380 21, 33, 34, 35, 36 VII, 38, Η 19, 40, 41, 42 and 43. In the above-mentioned safety syringe structure with an indwelling needle, the front end opening of the protective cover 2 is provided with a hook Outside the portion 7, the structure of the protective cover 2 and the slider 13 can also be as shown in the above figures 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, and Nineteen, two, twenty-, twenty-two and twenty-three. Referring to FIG. 43 and FIG. 44, in the structure of the primary safety syringe provided by the present invention, the annular piece 114 can also be replaced by a telescopic tube 115, and the axis of the extension tube 115 | and the injection needle 112 The axis of the shaft generates an offset angle, so that the front cover 111 is biased when it is pulled forward. Referring to FIG. 45, in the structure of the primary safety syringe provided by the present invention, the outer edge of the injection needle 1 is provided with a plurality of symmetrical hand grips 115, and the protective sleeve 2 is provided. The hand grip 115 penetrates into the sliding groove 218, so that the medical staff can operate by holding the hand 115 when operating the safety syringe structure provided by the present creation, so as to prevent the injection needle 1 from being protected by the protective sleeve 2 Wrapped to create a condition that is difficult to handle. The detailed description above is a detailed description of one of the possible embodiments of the present invention, and is not intended to limit the scope of the present invention. It is included in the patent scope of this case. To sum up, this case is not only innovative in terms of technical thinking, but also able to enhance the above-mentioned multiple functions compared with conventional articles. It should fully comply with the statutory invention patent requirements of novelty and progressiveness, and apply in accordance with the law. I urge you to approve this article. Invention patent application, in order to invent invention, to the sense of virtue. BRIEF DESCRIPTION OF THE DRAWINGS The following is a detailed description of a preferred embodiment of the present invention and the accompanying drawings, which will further explain the technical contents of the present invention and the purpose of the present invention. 1 is a perspective exploded view of a top view of a safety syringe structure of the present invention; FIG. 2 is an exploded perspective view of the first embodiment of the safety syringe structure; FIG. 3 is a perspective exploded view of the second embodiment of the safety syringe structure Figure 4 is an exploded perspective view of the third embodiment of the safety syringe structure of the primary use; Figure 5 is a perspective view of the fourth embodiment of the primary safety syringe structure; Figure 6 is the fifth safety syringe structure FIG. 7 is a perspective exploded view of the sixth embodiment of the safety syringe structure of the primary use; FIG. 8 is a perspective view of the seventh embodiment of the primary safety syringe structure; FIG. Stereoscopic view of the eighth embodiment of the safety syringe structure; FIG. 10 is a perspective exploded view of the ninth embodiment of the safety syringe structure for primary use Figure 11 is an exploded perspective view of the tenth embodiment of the primary safety syringe structure; Figure 12 is a perspective exploded view of the eleventh embodiment of the primary safety syringe structure: Figure 13 FIG. 14 is a perspective exploded view of the thirteenth embodiment of the primary safety syringe structure; FIG. Figure 16 is a perspective exploded view of the fifteenth embodiment of the safety syringe structure of the primary use; Figure 17 is a perspective exploded view of the sixteenth embodiment of the primary safety syringe structure. 18 is a three-dimensional cross-sectional view of the seventeenth embodiment of the safety syringe structure. FIG. 19 is an exploded perspective view of the eighteenth embodiment of the safety squirrel structure; FIG. FIG. 21 is an exploded perspective view of the twentieth embodiment of the primary safety syringe structure; FIG. 22 is the one-time use FIG. 23 is a perspective exploded view of the twenty-second embodiment of the primary safety syringe structure; FIG. 24 is the first safety syringe structure FIG. 25 is a perspective view of the twenty-fourth embodiment of the primary safety syringe structure: FIG. 26 is a twenty-fifth implementation of the primary safety syringe structure Figure 27 is a three-dimensional φ solution of the twenty-sixth embodiment of the primary safety syringe structure; Figure 28 is the first safety embodiment of the safety syringe structure of the first seventeenth embodiment Figure 29 is an exploded perspective view of the twenty-eighth embodiment of the primary safety syringe structure; Figure 30 is an exploded perspective view of the twenty-ninth embodiment of the primary safety syringe structure; The first embodiment is a three-dimensional appearance of the thirty-first embodiment of the safety syringe structure. FIG. 3 is an exploded perspective view of the thirty-second embodiment of the safety syringe structure of the primary use; FIG. 34 is an exploded perspective view of the thirty-third embodiment of the winter safety syringe structure; 3 is an exploded perspective view of the thirty-fourth embodiment of the syringe structure; FIG. 36 is an exploded perspective view of the thirty-fifth embodiment of the safety syringe structure for the primary use; Figure 3 is a perspective view of the thirty-seventh embodiment of the safety syringe structure of the primary use; Figure 39 is the thirty-eighth implementation of the safety syringe structure for the primary use. Figure 40 is a perspective exploded view of the thirty-ninth embodiment of the primary safety syringe structure; Figure 41 is an exploded perspective view of the fortieth embodiment of the primary safety syringe structure; Forty-two is an exploded perspective view of the forty-first embodiment of the one-time safety syringe structure; FIG. 43 is a three-dimensional decomposition of the forty-second embodiment of the primary safety syringe structure ; Embodiment of FIG forty-four exploded perspective view of a safety syringe with a structure for the forty-third embodiment; FIG forty-five and 1,258,380 for a perspective exploded view of embodiments of the embodiment a forty-fourth safety syringe structure. [Main component symbol description] 1 Injection needle 11 Insertion part 12 Injection needle 13 Slider 131 base 132 Guide rod 133 Upper stop 2 Protective cover 21 Slide rail 212 Stop block 211 Bump