M282685 323-038BTWU - 3/14 五、 中文新型摘要·· 本創作係一種拋棄式麻醉劑安全注射針筒，主要係揭露一 種由針筒、推桿、針頭及安全髓套管之注撕筒，本創作之 特點在於注射針筒全部組件以塑膠製成，使用後針頭往後縮入 5安全保護套管內並予卡止，即可將針筒全部組件拋棄，無需重 覆消毒使用，以達到杜絕消毒不慎而感染之目的。 六、 英文新型摘要： 七、 指定代表圖： (一）本案指定代表圖為··第（1)圖。 10 (二)本代表圖之元件符號簡單說明： 針筒10 ;拉柄12 ;凸塊14A ;推桿20 ; 安全保護套管30A ;前孔32 ;藥劑管50 八、 新型說明： 15【新型所屬之技術領域】 本創作係一種拋棄式麻醉劑安全注射針筒，尤指一種屬於 醫療器材技術領域中，一種具有安全保護套管之可拋棄式安全 注射筒。 【先前技術】 20 按，傳統的麻醉劑注射針筒，其注射針筒的材質在設§十上 雖然十分優異，惟由於其設計上是配合目前醫療器材中較特殊 的不鏽鋼注射筒來使用，而此種不鏽鋼注射筒由於造價高昂’ 使用過後無法予以拋棄，因此通常於使用後均需經由消毒再重 覆使用，一旦消毒不夠完全時便會造成病菌感染之虞。又，麻 M282685 323-038BTWU -4/14 醉劑注射針筒前端之針頭係爲雙頭針，通常於使用後雙頭針針 • 頭要先從不鏽鋼注射筒前端卸下後再將不鏽鋼注射筒進行消 毒，而卸下時，往往一不小心即很容易刺傷醫務人員之手指， 因而亦會造成病菌感染之虞。 5【新型内容】 本創作人有鑑於此，乃經不斷的試驗及測試，終於改良創 作出一種拋棄式麻醉劑安全注射針筒。 • 因此，本創作的主要目的在於提出一種拋棄式麻醉劑安全 注射針筒，注射針筒的組件皆以塑膠製成，使注射針筒在使用 10後可直接丟棄，無需重覆消毒使用，以杜絕因消毒不慎而有感 染疾病之虞。 ^ 本創作的另一目的在於提出一種拋棄式麻醉劑安全注射針 、 筒，其注射針筒在使用後可縮入安全保護套管內並予卡止，並 可將針筒全部組件拋棄，雙頭針針頭不必卸下，故無刺傷醫務 15人員及使用過的注射針筒與針頭無被再度使用之虞。 本創作爲達成上述目的及功效，其所採行的技術手段及方 案包括：一含有拉柄的針筒、一針頭、一推桿及一安全保護套 管，其中， 該針筒係爲一圓筒體，可容納藥劑管於其內，該針筒後端 20具有一陽螺紋，其前端具有一陽螺紋的小徑部，該針筒前端外 周上設有一凸塊； 一與該針筒相接合之拉柄，爲具大小徑部的塑膠中空短圓 筒體，以前端大徑部之內螺紋螺設於針筒的後端的陽螺紋而接 合在一起，該拉柄後端可令該推桿之桿體由之伸入針筒內而推 -M282685 323-038BTWU - 5/14 壓藥劑管之活塞，使藥劑注入人體； 該推桿爲一長型桿體，其後端具有一供大拇指扣入之扣圈 部，而其前端則形成一直徑略小於藥劑管活塞之推抵端； 該針頭爲一雙頭針的短型圓柱體； 5 該安全保護套管爲一縱長型的塑膠管體，其內徑略大於針 筒之外徑，以使安全保護套管可套置在針筒的外周，並於該安 全保護套管外周相對於針筒之凸塊位置處，開設一可供針筒凸 塊嵌入之縱長型導引槽，該導引槽包括一前端部及一後端部， 該後端部又包括一凹陷曲段部及一可與彈性變形檔止部配合的 10卡止槽，該凹陷曲段部後的可彈性變形之縮小頸部，係使針筒 之針頭使用後，欲行拋棄前令該導引凸塊可藉導引槽予以導引 而令針頭先行縮入安全保護套管內，依此再令該導引凸塊進入 該凹陷曲段部而爲該卡止槽所卡止，使凸塊一旦由後端部轉入 卡止槽後即無法再度被移出使用，以確保注射針筒使用上之安 15 全。 爲使本創作之目的、功效及特徵能更具體暸解，茲以本創 作較佳實施例並輔以圖式詳細說明如下。 【實施方式】 首先請配合參看第1〜4圖所示，爲本創作之拋棄式麻醉劑 20安全注射針筒的實施例，其主要係由一含有拉柄12的針筒10、 一推桿20、一安全保護套管30、一針頭40及一藥劑管50所構 成，其中， 該藥劑管50爲傳統制定規格之制式直徑的玻璃圓管體，其 一端爲由軟形材質所封閉之封閉端51，另端則爲可於藥劑管50 M282685 323-038BTWU -6/14 內形成縱向移動之活塞52，藥劑管5〇之活塞52與封閉端51間則 容置注射藥劑； 該針筒10係爲一縱長型的塑膠中空圓筒體，該針筒10內部 具有一容置空間11可容納藥劑管5〇於其內，該針筒10後端13具 5有一陽螺紋130，該針筒10前端具有一陽螺紋的小徑部15，小 徑部15後端之針筒1〇大徑部外周上設有一凸塊14A，該凸塊 14A在本實施例爲三角形塊體，該三角形塊體爲前高後低，而 呈一傾斜頂面，以方便下述與安全保護套管30之組裝及其定位 之卡止操作； 10 而與針筒10相接合之拉柄12爲具大小徑部的塑膠中空短圓 筒體，以前端大徑部121之內螺紋122螺設於針筒10後端13的 陽螺紋130上，以使兩者接合在一起，該拉柄12後端小徑部設 一導孔120可令推桿20之桿體由之伸入針筒10的容置空間11內 而推壓藥劑管50之活塞52，使藥劑注入人體； 15 該推桿20係爲一長型桿體，推桿20之後端具有一供大拇指 扣入之扣圈部22，而其前端則形成一直徑略小於藥劑管50活塞 52之推抵端21，推抵端21緊鄰後端套裝一彈性膠圈23，該彈性 膠圈23係於該推桿20桿體穿過拉柄12之導孔120後再套裝於推 桿20之桿體上，以防止推桿20與拉柄12在使用時發生不預期性 20地分離； 該針頭40爲一短型圓柱體，該針頭40朝針筒1〇的一端係凹 設形成一內螺孔403，該內螺孔403係可與針筒1〇的前端部具陽 螺紋的小徑部15相螺合(如第3〜4圖所示），而該內螺孔之內 部中央，則朝內螺孔403開口往外凸伸出一可刺穿藥劑管50封 M282685 323-038BTWU-7/14 閉端51端面的刺針401，而該針頭40相對於刺針401之另端位 置處，則凸伸出一注射針4〇2，並使該注射針4〇2與刺針401內 部以一細小穿孔形成相互連通； 該安全保護套管30A係爲一縱長型的塑膠管體，該安全保 5護套管30A內孔31之內徑略大於針筒1〇之外徑，以使安全保護 套管30A之內孔31可將已組合完成之針頭40及針筒10前端形成 套置(如第3圖所示），該安全保護套管30A之外周相對於針筒10 之導引凸塊14A位置處，設一可供針筒10導引凸塊14A嵌入之 直線導引槽332A及一卡止槽335A，其中，該導引槽332A及卡 10止槽335A係由安全保護套管30A的前端朝向後端縱向延伸（如 第2圖所示）；該直線導引槽332A具有一前端部331A及一後端 部333A，該前端部331A係供針筒10之導引凸塊14A止住，以 便醫務人員進行注射作業，而該後端部333A則係供針筒10之導 引凸塊14A於針筒10未使用前之定位止住之用，以便醫務人員 15欲進行注射作業時，可由之移往前端部331A，而該卡止槽 335A係設置在該後端部333A的最後端，詳言之，本實施例之 導引槽332A於後端部333A入口處設置一凹陷曲段部，並在曲 段部之後設置一可彈性變形的檔止部334A及設置於其後之一卡 止槽335A，以便注射針筒使用後欲行拋棄之前，如前述實施例 20所述，先將針筒1〇往後拉回，令保護套管3〇A往前伸出，而將 針頭40往內縮，使針筒1〇上之三角形凸塊14A依導引槽332A之 引導而由前端部331A進入後端部333A後，再經由變形擋止部 334A而卡止於卡止槽335A內而使針筒10不能再移出而確保針 頭40卡止於保護套管30A內，因而達成絕對安全衛生，以杜絕 323-038BTWU - 8/14 M282685 針筒10因消毒不良或針頭淸洗後’再度被使用而感染疾病之危 險； 藉此，當本創作之拋棄式麻醉劑安全注射針筒於組合時(如 第2、3圖所示），係將針頭40之內螺孔403與針筒10前端部陽螺 5紋的小徑部15形成螺合(如第3〜4圖中所示）’並以安全保護套 管30A套置於該針頭40及針筒10之外周，以該安全保護套管 30A外周的導引槽332A套置於針筒10的導引凸塊14A上，並在 套置後由安全保護套管30A上的卡止槽335A予以卡止，使針筒 10得以套置於安全保護套管30A內部而定位於針筒1〇上，以避 10免使用者遭注射針4〇2刺傷之危險。 當本創作欲注射使用時（如第3〜4圖所示），則將藥劑管50 由針筒10的後端裝入於容置空間11內（如第2圖所示），再推動 推桿20之拉柄12，以該推桿20之推抵端21推動藥劑管50之活 塞52移動，並以封閉端51抵住於針筒10之容置空間11的前端壁 15上，同時使該針頭40的刺針402刺入於藥劑管50的封閉端51內 與藥劑接觸； 繼之，使用者再以手按壓安全保護套管30A上的握持部， 再由使用者以手將整個安全保護套管30A朝針筒10方向，即朝 後方推移(如第3圖所示），而使針頭40的注射針402得由該安全 20保護套管30A之前孔32露出以便於施行注射。 另外，特別須加以強調的，乃由於本創作之針筒10、推桿 20、針頭40及安全保護套管30A，皆可利用塑膠加以製成，故 而當本創作之拋棄式麻醉劑安全注射針筒於使用完畢後，將針 筒1〇再往後拉回至前述卡止定位於安全保護套管30A內的狀態 M282685 323-038BTWU - 9/14 時，即可將整個安全注射針筒作爲醫療廢棄物加以丟棄，確實 達到絕對安全與衛生，以杜絕因消毒不慎而感染疾病之危險。 上述本實施例之三角形凸塊14A並非以三角形爲必要，其他適 當之形狀亦屬可行。 5 綜上所述，本創作確實爲一相當優異之創思，爰依法提出 申請創作專利；惟上述說明之內容，僅爲本創作之較佳實施例 說明，凡依本創作之技術手段所延伸之變化，亦皆應落入本創 作之專利申請範圍內，特此註明。 【圖式簡單說明】 10 第1圖爲本創作實施例之外觀立體圖； 第2圖爲本創作實施例之立體分解圖； 第3圖爲本創作實施例組合使用狀態之平面示意圖； 第4圖爲本創作實施例使用後拋棄前之平面示意圖。 【主要元件符號說明】 15 針筒1〇 ;容置空間11 ;拉柄12 ;後端13 ;凸塊14A ; 小徑部15 ;推桿20 ;推抵端21 ;彈性膠圈23 ; 安全保護套管30A ;內孔31 ;前孔32 ;導引槽33A ; 針頭40 ;藥劑管50 ;封閉端51 ;活塞52 ; 導孔120 ;大徑部121 ;內螺紋122 ;陽螺紋130 ; 20 前端部331A ; L型導引槽332A ;後端部333A ; 檔止部334A ;卡止槽335A ; 刺針401 ;注射針402 ;內螺孔403M282685 323-038BTWU-3/14 V. Chinese New Abstract ... This creation is a disposable anesthetic safe injection syringe, which mainly discloses a injection and tear canister consisting of a syringe, a push rod, a needle and a safety cannula. The characteristic of creation is that all the components of the injection syringe are made of plastic. After use, the needle is retracted into the 5 safety protection sleeve and locked, and all the components of the syringe can be discarded without repeated disinfection to prevent it. The purpose of disinfection and infection. 6. New English Abstracts: 7. Designated Representative Map: (1) The designated representative map in this case is (1). 10 (II) Brief description of the component symbols of this representative picture: syringe 10; pull handle 12; bump 14A; push rod 20; safety protection sleeve 30A; front hole 32; drug tube 50 8. New type description: 15 [new type The technical field belongs to a disposable anesthetic injection syringe, especially a disposable safety syringe with a protective sleeve in the technical field of medical equipment. [Previous technology] 20 According to the traditional anesthetic injection syringe, the material of the injection syringe is excellent although it is designed to be used with the more special stainless steel syringes in medical equipment. Such stainless steel syringes are expensive because they cannot be discarded after use, so they usually need to be disinfected and reused after use. Once the disinfection is not complete, it may cause germ infection. In addition, hemp M282685 323-038BTWU -4/14 The needle at the front end of the intoxicant injection syringe is a double-ended needle, usually after use. The double-ended needle is first removed from the stainless steel syringe before the stainless steel syringe Disinfection is performed, and when unloading, it is often easy to stab the fingers of medical staff, which may cause germ infection. 5 [New Contents] In view of this, the creator has finally improved and created a disposable anesthetic safe injection syringe through continuous experiments and tests. • Therefore, the main purpose of this creation is to propose a safe injection syringe for disposable anesthetics. The components of the injection syringe are made of plastic, so that the injection syringe can be directly discarded after 10 years of use without repeated disinfection to prevent it. Risk of infection due to careless disinfection. ^ Another purpose of this creation is to propose a disposable anaesthetic safety injection needle and barrel, which can be retracted and locked in a safety protective sleeve after use, and all components of the syringe can be discarded and double-ended. The needle does not need to be removed, so there is no risk of stabbing the medical staff and used syringes and needles. In order to achieve the above-mentioned purpose and effect, the technical methods and solutions adopted by this creation include: a syringe containing a pull handle, a needle, a push rod, and a safety protective sleeve, wherein the syringe is a cylinder The body can accommodate a medicine tube therein. The rear end 20 of the syringe has a male thread, and the front end has a small diameter portion of the male thread. A protrusion is provided on the outer periphery of the front end of the syringe; a pull engaged with the syringe. The handle is a plastic hollow short cylinder with large and small diameter parts. The internal thread of the large diameter part at the front end is screwed together with a male thread at the rear end of the syringe. The rear end of the handle can make the rod of the push rod The body is pushed into the syringe and pushed -M282685 323-038BTWU-5/14 presses the piston of the medicine tube to inject the medicine into the human body; the push rod is a long rod body with a thumb at the rear end The buckle ring part, and the front end of it is formed with a diameter slightly smaller than the pushing end of the piston of the medicine tube; the needle is a short cylinder with a double-ended needle; 5 the safety protection sleeve is a longitudinal plastic tube , Its inner diameter is slightly larger than the outer diameter of the syringe, so that the safety protection sleeve can be sleeved On the outer periphery of the syringe and at the position of the outer periphery of the safety protection sleeve relative to the protrusion of the syringe, an elongated guide groove is provided for the protrusion of the syringe to be inserted. The guide groove includes a front end portion and A rear end portion, which further includes a recessed curved section portion and a 10 locking groove capable of cooperating with the elastic deformation stop portion; the elastically deformable reduced neck portion behind the recessed curved portion portion makes the needle After the needle of the barrel is used, the guide protrusion can be guided by the guide groove to discard the needle before it is discarded, so that the guide can be retracted into the safety protective sleeve, and then the guide protrusion is allowed to enter the concave curved section. It is locked by the locking groove, so that once the bump is turned into the locking groove from the rear end, it cannot be removed again for use, so as to ensure the safety of the syringe. In order to make the purpose, effects, and characteristics of this creation more specific, the following is a detailed description of the preferred embodiment of this creation supplemented by drawings. [Embodiment] First, please refer to FIGS. 1 to 4 to illustrate an embodiment of a safe injection syringe of disposable anesthetic agent 20, which is mainly composed of a syringe 10 containing a pull handle 12, a push rod 20 A safety protective sleeve 30, a needle 40, and a medicine tube 50, wherein the medicine tube 50 is a glass tube body with a diameter of a traditional standard and one end is a closed end closed by a soft material 51, the other end is a piston 52 that can be moved longitudinally in the medicine tube 50 M282685 323-038BTWU -6/14, and the injection medicine is contained between the piston 52 of the medicine tube 50 and the closed end 51; the syringe 10 is It is a long plastic hollow cylinder. The syringe 10 has an accommodating space 11 inside which can receive a medicine tube 50. The syringe 10 has a male thread 130 at its rear end 13 and a male thread 130. 10 The front end has a small-diameter portion 15 with a male thread, and the syringe 10 at the rear end of the small-diameter portion 15 is provided with a projection 14A on the outer periphery of the large-diameter portion. The projection 14A is a triangular block in this embodiment. It has a slanted top surface for front high and low back to facilitate the following and safety protection sleeve 30 And the locking operation of positioning and positioning; 10 The handle 12 which is engaged with the syringe 10 is a plastic hollow cylindrical body with a large and small diameter portion, and the internal thread 122 of the large diameter portion 121 on the front end is screwed on the syringe 10 A male thread 130 on the rear end 13 is used to join the two together. A small hole in the rear end of the pull handle 12 is provided with a guide hole 120 to allow the rod body of the push rod 20 to extend into the accommodating space of the syringe 10. 11 pushes the piston 52 of the medicine tube 50 inside, so that the medicine is injected into the human body; 15 The push rod 20 is a long rod body, the rear end of the push rod 20 has a buckle portion 22 for the thumb to buckle, and its The front end forms a pushing end 21 with a diameter slightly smaller than that of the piston 52 of the medicament tube 50. The pushing end 21 is immediately adjacent to the rear end and is fitted with an elastic rubber ring 23, which is connected to the push rod 20 through the pull handle 12 The guide hole 120 is then fitted on the rod body of the push rod 20 to prevent the push rod 20 and the handle 12 from being unintendedly separated during use. The needle 40 is a short cylinder, and the needle 40 faces One end of the syringe 10 is recessed to form an internal screw hole 403, and the internal screw hole 403 can be screwed with the small diameter portion 15 with a male thread at the front end of the syringe 10 (such as the third (Shown in Figure 4), and the inner center of the inner screw hole protrudes outward toward the inner screw hole 403 and protrudes outwardly with a puncture needle 401 that can pierce the 50 drug tube M282685 323-038BTWU-7 / 14 closed end 51, At the other end of the needle 40 relative to the lancet 401, an injection needle 402 is protruded, and the injection needle 402 and the inside of the lancet 401 communicate with each other through a small perforation; the safety protection sleeve 30A is a longitudinal plastic pipe body. The inner diameter of the inner hole 31 of the safety protection sleeve 30A is slightly larger than the outer diameter of the syringe 10, so that the inner hole 31 of the safety protection sleeve 30A can The assembled needle 40 and the front end of the syringe 10 form a sleeve (as shown in FIG. 3). At the position of the outer periphery of the safety protection sleeve 30A relative to the guide protrusion 14A of the syringe 10, a syringe is provided. The linear guide groove 332A and a locking groove 335A are embedded in the 10 guide protrusion 14A, and the guide groove 332A and the locking groove 335A are longitudinally extended from the front end of the safety protection sleeve 30A toward the rear end (such as the first 2)); the linear guide groove 332A has a front end portion 331A and a rear end portion 333A, the front end portion 331A is used for guiding the syringe 10 The projection 14A is stopped for medical personnel to perform injection operations, and the rear end portion 333A is used for positioning and stopping of the guide projection 14A of the syringe 10 before the syringe 10 is not used, so that the medical personnel 15 want When performing the injection operation, it can be moved to the front end portion 331A, and the locking groove 335A is provided at the rear end of the rear end portion 333A. In detail, the guide groove 332A of this embodiment is at the entrance of the rear end portion 333A. A recessed curved section is provided, and an elastically deformable stop 334A and a locking groove 335A are provided behind the curved section, so as to discard the injection syringe after use, as described above. As described in Example 20, the syringe 10 is pulled back first, so that the protective sleeve 30A is extended forward, and the needle 40 is retracted inward, so that the triangular projection 14A on the syringe 10 is guided. After the groove 332A is guided and the front end portion 331A enters the rear end portion 333A, it is locked in the locking groove 335A through the deformation stop portion 334A, so that the syringe 10 cannot be moved out and the needle 40 is locked in the protective sleeve. Within 30A, thus achieving absolute safety and hygiene, to prevent 323-038BTWU-8/14 M282685 syringe 10 due to sterilization After the needle is washed, the danger of contracting the disease is re-used; by this, when the safe injection syringe of the disposable anesthetic created in this creation is combined (as shown in Figures 2 and 3), the needle is within 40 The screw hole 403 is screwed with the small-diameter portion 15 of the male screw 5 at the front end of the syringe 10 (as shown in Figures 3 to 4) and is placed on the needle 40 and the syringe 10 with a safety protective sleeve 30A. On the outer periphery, a guide groove 332A on the outer periphery of the safety protection sleeve 30A is sleeved on the guide protrusion 14A of the syringe 10, and is locked by a locking groove 335A on the safety protection sleeve 30A after being sleeved. , So that the syringe 10 can be sleeved inside the safety protective sleeve 30A and positioned on the syringe 10 to avoid the danger of the user being punctured by the injection needle 402. When the creation is intended for injection (as shown in Figures 3 to 4), the medicine tube 50 is inserted into the accommodation space 11 from the rear end of the syringe 10 (as shown in Figure 2), and then pushed The pull handle 12 of the rod 20 pushes the piston 52 of the medicine tube 50 with the pushing end 21 of the push rod 20, and abuts the closed end 51 against the front wall 15 of the accommodating space 11 of the syringe 10, while making The lancet 402 of the needle 40 is inserted into the closed end 51 of the medicament tube 50 and comes into contact with the medicament. Then, the user presses the holding part on the safety protection sleeve 30A by hand, and then the user secures the entire safety The protective sleeve 30A is moved in the direction of the syringe 10, that is, backward (as shown in FIG. 3), so that the injection needle 402 of the needle 40 must be exposed through the hole 32 in front of the protective sleeve 30A of the safety 20 to facilitate injection. In addition, it is particularly important to emphasize that the syringe 10, pusher 20, needle 40, and safety protection sleeve 30A of this creation can be made of plastic. Therefore, the disposable anesthetic injection syringe of this creation is safe. After use, pull the syringe 10 back to the state where it is locked and positioned in the safety protection sleeve 30A. M282685 323-038BTWU-9/14, the entire safety injection syringe can be used as medical waste Disposal of the material does achieve absolute safety and hygiene to prevent the risk of infection due to careless disinfection. The triangular bumps 14A of the embodiment described above are not necessarily triangular, and other suitable shapes are also feasible. 5 In summary, this creation is indeed a very good idea, and has applied for a creation patent in accordance with the law; however, the content of the above description is only a description of the preferred embodiment of this creation, and is extended by the technical means of this creation Any changes shall fall within the scope of the patent application for this creation, and are hereby noted. [Schematic description] 10 Figure 1 is an external perspective view of the creative embodiment; Figure 2 is an exploded perspective view of the creative embodiment; Figure 3 is a schematic plan view of the combined use state of the creative embodiment; Figure 4 This is a schematic plan view of the creative embodiment before use and discard. [Description of symbols of main components] 15 syringe 10; accommodating space 11; handle 12; rear end 13; bump 14A; small diameter portion 15; push rod 20; push end 21; elastic rubber ring 23; safety protection Sleeve 30A; inner hole 31; front hole 32; guide groove 33A; needle 40; drug tube 50; closed end 51; piston 52; guide hole 120; large diameter portion 121; internal thread 122; male thread 130; 20 331A; L-shaped guide groove 332A; rear end 333A; stop 334A; locking groove 335A; puncture needle 401; injection needle 402; inner screw hole 403