TW200410738A - Safety syringe for subcutaneous injection - Google Patents
Safety syringe for subcutaneous injection Download PDFInfo
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- TW200410738A TW200410738A TW91138184A TW91138184A TW200410738A TW 200410738 A TW200410738 A TW 200410738A TW 91138184 A TW91138184 A TW 91138184A TW 91138184 A TW91138184 A TW 91138184A TW 200410738 A TW200410738 A TW 200410738A
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Abstract
Description
200410738 五、發明說明(l) 登J月之技銜、 本發明為有關一種「多八 種益需變更为古 王、十套裝置」,尤指一 種各樣注射筒體之皮下針頭 負^廣^用於各 位於針頭之後方,缚理 、 且其操作位置係 次又到病毒感尜之虞,而能確保其使用上之安全性者。 先前拮術: 60 93 所姐般.傳統之安全注射針筒結構,如美國專利第 3170所揭路,包括一注射筒(barrel)1〇,柱塞 ^Plunger)20^ - , ^ t , ;二σ之注射器,而該專利之主要特徵在於將習用之 旦射清10之前端突設一凸部(tab)13,並在套管30之上設 形導槽33,利用該導槽33之槽底之擔止部35凸部13, 疋以,在實際使用過程中,該套管3〇之安全性堪虞,其理 $是,該套管30為塑膠材料射製成形,該擋止部35具有塑 膠材料本身之彈性,使該擋止部35對該凸部丨3並非可完全 鎖止’而係可令凸部1 3再度被移出使用,使其安全性^王 失。再者,該具有凸部13之注射筒1〇為了可與套管3〇 $以 相匹配,使凸部1 3可在導槽33内順利滑行,其尺寸規=受 到凸部13之設置影響需作適度變更,致使注射針筒無^ $ 用使用已久之原有結構的國際標準規格,此不僅耗費'高$ 模具成本,且與同業間同型產品間之相容互用性受到=$ 的限制,亦即.無法實施於其他同類型之注射筒體,尤其, 323.021TW.ptd 第5頁 200410738 五、發明說明(2) —_ 改變原有結構後,使注射針筒1〇盥 及其注射液之水密結構性以及其使用 以克服的技術問題而亟待改進。 v文王注均發生難 發明内容: 本發明之主要目的在於提供一夕 置,讓使用過已遭污染之針頭;、1、R f功此安全針套裝 並鎖死於安全針套之有效地將針頭縮入 再度被移出使用,以確保=全::頭-旦縮入後即無法 本發明之次一目的在於提供一 置,其中,該套管單元係以筒體基座裝 注射筒體間的接合橋樑之簡易緊密套與 之注射筒體不必作任何改變下,便 〃。。傳統 設於不同之各種傳統注射筒體上;元直接套 泛之相容性與適用性者。 此使本發明具有廣 置,ϊγ月m的在:提供-種多功能安全針套裝 單元固定,並r:端;?:階級段可供針頭 體基座單元之外I ^人^ ,套官早兀*恰可於縱長筒 到易於操作之而受到良好之導^藉此,達 技術的f功效,該裝置所採行之 體基座單元的針單_: ς座早兀、一套固於該縱長筒 十碩早70及一套於該縱長筒體基座單元外周200410738 V. Description of the invention (l) The title of the month of the month of the month, the invention relates to a "more than eight kinds of benefits need to be changed to the ancient king, ten sets of devices", especially a variety of hypodermic needles of various injection cylinders. ^ Used for those who are located behind the needles, which are bound and whose operation positions are so dangerous to the virus, that they can ensure their safety in use. Previously: 60 93 sister-like. The traditional safety injection syringe structure, as disclosed in US Patent No. 3170, includes a syringe (barrel) 10, plunger ^ Plunger) 20 ^-, ^ t,; Two sigma syringes, and the main feature of this patent is that a tab 13 is protruded at the front end of the conventional Dan 10, and a shaped guide groove 33 is provided on the sleeve 30. The guide groove 33 is used. The supporting portion 35 at the bottom of the groove is the convex portion 13, so that in actual use, the safety of the sleeve 30 is at stake. The reason is that the sleeve 30 is made of plastic material, and the stop The portion 35 has the elasticity of the plastic material itself, so that the blocking portion 35 is not completely lockable to the convex portion 3, and the convex portion 13 can be removed and used again, so that its safety is lost. In addition, in order to match the cannula 10 with the cannula 30, the injection cylinder 10 with the convex portion 13 can smoothly slide the convex portion 13 in the guide groove 33, and its size gauge is affected by the setting of the convex portion 13. Need to make a modest change, so that the injection syringe does not use the international standard specifications of the long-used original structure, which not only consumes 'high' mold cost, but also has compatibility and interoperability with similar products of the same industry. Limitation, that is, it cannot be implemented in other injection cylinders of the same type, in particular, 323.021TW.ptd Page 5 200410738 V. Description of the invention (2) — After changing the original structure, make the injection syringe 10 The water-tight structure of the injection solution and its use need to be improved to overcome the technical problems. v Wen Wangzhu's problems are difficult to find. Summary: The main purpose of the present invention is to provide an overnight set to allow the use of contaminated needles; 1. Rf is a safety needle set and locked in the safety needle cover. The needle is retracted and used again to ensure = full :: head-density is not available after retraction. A second object of the present invention is to provide a set, wherein the cannula unit is installed between the injection cylinder and the cylinder base. The simple tight sleeve of the joint bridge with the injection cylinder does not need to be changed in any way. . Traditions are set on different traditional injection cylinders; those with direct compatibility and applicability. This makes the present invention have a wide range, and provides a multifunctional safety needle set with fixed unit and r: end; : The stage section can be used for people outside the base unit of the needle body, and the sleeves can be easily guided by the long tube to be easy to operate. ^ By this, the technical f effect is achieved. Needle list of the adopted body base unit _: Early seat, one set fixed on the longitudinal tube Shishuo 70 and one set on the outer periphery of the longitudinal tube base unit
323-021TWP.ptd 1ΔΔ 第6頁 200410738 五、發明說明(3) 的套管單元,其中, 該縱長筒體基座單元,係為前 管體後端具有-較大徑管體,該較:徑ί體= 相對應位置上各設有一凸緣,該兩二後鈿直徑 該注射筒體之前端,且於該較大或插固於 凸部; s體别碥外周部設有一 該針頭單元係緊密套固於該縱 較小徑管體上; 苟體基座早元前端的 該套管單元為—中空管體,其外周呈 滑槽包括一直向部及一橫向部,其中,^ 長π槽,該 止擋部、,後端轉折部,該橫向部則包括二二=-前端 部、-鎖止方槽及一設在鎖止方槽進入端之限::立凹 止部係為一細條元件與安全針套 ^ 。卩,該限 體; 平70之本體材料連成— ,藉此,該套管單元可套於該筒體基座單元 該筒體基座單元上之凸部恰可於該套管 卜周,且 移動’而受到良好之導引,f該凸部 J形滑槽中 端,權部時’㈣於該筒體基座#元前心滑槽前 套管單兀之前端以備注射使用;當該凸 :70伸出 之橫向段後端轉折部定位凹部時,使該:二槽 单疋内而受到完全之遮蓋;t該凸部 而使套管單元不能再㈣,使該針頭内’ 而止住不動,0而構成—獨立之皮下注射針頭323-021TWP.ptd 1ΔΔ Page 6 200410738 V. The casing unit of the description of the invention (3), wherein the longitudinal cylinder base unit is a pipe body with a larger diameter at the rear end of the pipe body. : Diameter ί body = one flange is provided at the corresponding position, the diameter of the two rear cymbals is the front end of the injection cylinder, and the larger or inserted in the convex part; the needle is provided on the outer periphery of the body The unit is tightly sleeved on the longitudinal smaller diameter pipe body; the casing unit at the front end of the early element of the body base is a hollow pipe body, and its outer periphery is a chute including a straight portion and a transverse portion, where ^ 长π groove, the stop portion, the rear end turning portion, and the transverse portion includes two two =-front end portion,-lock square groove and a limit provided at the entrance end of the lock square groove :: standing concave stop system It is a thin strip element and safety needle sleeve ^. Alas, the limiting body; the body material of the flat 70 is connected to—by this, the sleeve unit can be sleeved on the barrel base unit, and the convex portion on the barrel base unit can be just around the sleeve, And move 'and get good guidance, f the middle part of the J-shaped chute of the convex part, and the right part of the tube's base, the front end of the sleeve before the injection unit for the injection; When the convex part: 70 protruding from the rear end turning part of the transverse section locates the concave part, it makes the: two grooves inside the single groove and is completely covered; t the convex part makes the sleeve unit no longer able to be pushed inside the needle. And stay still, 0 constitutes-independent hypodermic needle
323-021TWP.ptd 745 200410738 五、發明說明(4) 者0 之具力解i發明之特徵、技術手段以及所達成 圖式、圖號詳細說明如后。 a之权具體貫把例,繼以 實施方式: 1至3本圖發所月-夕功'安全針套裝置第一較佳之實施例,如第 之、、主射導/可實施於皮下注射之注射筒體1 0或點滴瓶 ’該裝置至少包括-以簡易緊密套固二 縱長ΐ ί A座Ϊ射筒體1〇的連接部11間做為的接合橋樑之 單元20,ί中7及一套置於筒體基座單元外周之套管 其俨Ϊ 2 ΐ f座單几30 ’係為前端具有一較小徑管體33, :體,具有一較大徑管體35 ’該較大 對應位置上各設有一凸緣351,該兩凸緣351』; 累《於忒注射筒體或點滴瓶之注射導管接頭之前端或將 以較大徑管體35之内孔直接插固於注射筒體丨〇的連接部】1 ^ 且於δ亥較大徑管體3 5前端外周部設有一凸部3 4 ;該凸 部34,可作成與下述鎖止槽225相互鎖止之任何可行形 f,在本發明之一較佳實施例中,如第1 Α圖所示,該凸 部34,係作成前高後低,且右低左高,略示d形斷面之形 狀,以便於卡止凸部34易於套裝於套管單元2〇内後,又易 於卡止於下述鎖止槽225内後即不易再被移出。詳言之, 該凸部34包括第一D形面341、第二梯形面342、第形面 第8頁 323.021TWP.ptd 200410738323-021TWP.ptd 745 200410738 V. Description of the invention (4) The powerful features of the invention, the technical means, and the drawings and figures reached are explained in detail below. The right of a will be followed by specific examples, following the implementation methods: 1 to 3 The first preferred embodiment of the safety needle cover device of the month-evening work of this figure, such as the first, the main guide / can be implemented by subcutaneous injection The injection cylinder 10 or the drip bottle 'the device at least includes-a simple and tightly fixed two longitudinally long ΐ A seat Ϊ shot cylinder 1 10 connecting part 11 as a bridge connection unit 20, 中 7 And a set of sleeves placed on the outer periphery of the cylinder base unit, its 俨 Ϊ 2 ΐ f seat single table 30 ′ is a front end having a smaller diameter pipe body 33, a body having a larger diameter pipe body 35 ′ A flange 351 is provided at each of the larger corresponding positions, and the two flanges 351 ″ are exhausted. The front end of the injection catheter connector of the injection cylinder or the drip bottle may be directly fixed by the inner hole of the larger diameter tube 35. The connection part of the injection cylinder body] 1 ^ and a convex part 3 4 is provided at the outer peripheral part of the front end of the larger diameter tube body 5 5 of the delta diameter; the convex part 34 can be interlocked with the locking groove 225 described below For any feasible shape f, in a preferred embodiment of the present invention, as shown in FIG. 1A, the convex portion 34 is made front-to-back, low to the right, and low to the left, showing a d-shaped break. The shape of the surface is such that the locking protrusion 34 can be easily fitted into the sleeve unit 20, and can be easily removed after being locked into the locking groove 225 described below. In detail, the convex portion 34 includes a first D-shaped surface 341, a second trapezoidal surface 342, and a third shaped surface. Page 8 323.021TWP.ptd 200410738
343、第四梯形面342、頂面345及底面,其中,誃 34之特徵在於除底面34及頂面345為正方形外,第一面/ 之面積大於第二面,依次第二面大於第三开面卜,第第三面面⑷ 第四面,且頂面345呈一弧形傾斜面,即由較高之第二於 342往較低之第四面344呈弧面傾斜,同時,再由第—面 SSL作了弧形傾斜,以便卡止凸部34得以順滑地: 入鎖止方槽225内(詳如後述)。 卞 該套笞單元,係為具有一滑槽220之中空管體21, ,滑槽2J0之上方為一防塵蓋22所遮蔽,以符合衛生,該 管體21前端設有一開孔21B,可供針頭單元40之針頭4丨= 之伸縮,該滑槽220之長度小於管體21之長度,在本發 之一較佳實施例中,如第i圖所$,該滑槽料 220,包括一直向部221及一橫向部222,其中,直向部/ 包括一前端止擋部221F、一後端轉折部221R,該橫向部 2 2 2則、包括第一(左)端之方形定位凹部2 2 *、第二(右 端之鎖止方槽225及一設在鎖止方槽225進入端之限土卹 抑一藉此,套固在注射筒10前的筒體基座單元3〇可為套管 單疋20所套入,且凸部34恰可於滑槽22〇中引導移動,而& 文到良好之導引,針頭41可在套管單元2 0内伸縮自如; 當筒體基座單元3〇之凸部34在新品待使用前係位於橫向段 221之定位凹部224(如第4圖所示)時,即可使針頭單尹元^〇又 在未使用刖隱藏於内而予以保護,而使針頭41之針尖& 1 a 又到完全之遮蓋保護,進而構成一獨立之針頭安全裝置,343, the fourth trapezoidal surface 342, the top surface 345, and the bottom surface. Among them, 誃 34 is characterized in that, except that the bottom surface 34 and the top surface 345 are square, the area of the first surface is larger than the second surface, and the second surface is larger than the third surface. Open the surface, the third surface is the fourth surface, and the top surface 345 is an arc-shaped inclined surface, that is, the upper second surface is inclined at 342 to the lower fourth surface 344. At the same time, The first surface SSL makes an arc-shaped inclination, so that the locking protrusion 34 can be smoothly slid into the locking square groove 225 (see details below).笞 This set of 笞 unit is a hollow pipe body 21 with a sliding groove 220, and a dust cover 22 is shielded above the sliding groove 2J0 to meet sanitation. The front end of the pipe body 21 is provided with an opening 21B. For the expansion and contraction of the needle 4 of the needle unit 40, the length of the chute 220 is less than the length of the tube body 21. In a preferred embodiment of the present invention, as shown in Figure i, the chute material 220 includes Straight portion 221 and a transverse portion 222, wherein the straight portion / includes a front stop portion 221F and a rear turning portion 221R, and the transverse portion 2 2 2 includes a square positioning recess including the first (left) end. 2 2 *, the second (the locking square groove 225 at the right end and a soil-restricting shirt provided at the entrance end of the locking square groove 225), thereby fixing the cylinder base unit 3 in front of the injection cylinder 10 It is sleeved by the sleeve single sleeve 20, and the convex portion 34 can be guided and moved in the chute 22, and the & good guide, the needle 41 can be retracted and retracted freely in the sleeve unit 20; when the barrel When the convex part 34 of the body base unit 30 is located in the positioning concave part 224 (as shown in FIG. 4) of the transverse section 221 before the new product is used, the needle can be made single Yin Yuan ^ 〇 Again The unused 刖 is hidden inside to protect it, so that the needle tip & 1 a of the needle 41 is completely covered and protected, thereby forming an independent needle safety device,
200410738 五、發明說明200410738 V. Description of Invention
並藉由筒體基座單元3〇後 接部11,如2-3圖所示。 端35而套固於之注射筒體1〇之 連 …QV閱第2 一8圖所示,當欲實施注射時,彳先將基座 =二*之凸部34自定位凹部224移出(如第5及7圖所示), =由f向,222、轉折部22_於滑槽22〇中向前移動,此 頭單元4〇之針頭41即可自套管單元20之前端開孔 —入出直至凸部34移動至前端止擋點221F時,針頭41即 已70全外露’而形成一可伸縮之 圖所示;由於,手部握持套管單元20之操=置位3於 針頭41之後方,無需經過針頭41之針尖4 1 a ;因此,使用 中不虞有扎傷或受到病毒感染之情事發生,而極具安全 性。 而當注射完畢時,套管單元2〇只需逆向操作,凸部34 =沿滑槽220之前端止擋部221F、後端轉折部221R及橫向 段222而移動至後端的定位凹部224時,針頭單元4〇即再度 隱藏於套管單元20之内,即回復皮下針頭未使用前如第广 及7圖所示之保護狀態;當將基座單元3〇以順時針方向旋 緊時,凸部34便由定位凹部224而進入鎖止方槽22 5内,如 第6及8圖所示,此時,凸部34便越過限止部227而進入鎖 止方槽225内,凸部34—旦進入鎖止方槽225後即被擔止於 鎖止方槽225内,如第8圖所示,由於凸部34之頂面左側高 於限止部227之底緣高度甚多,故凸部34 一旦進入鎖止方 槽225後,受限止部227之阻擋,凸部34絕難再滑出限止部 227之外。如此,可確保針頭單元4〇之針尖41&永隱藏在套And the cylinder base unit 30 is connected to the rear part 11 as shown in Fig. 2-3. The connection of the injection cylinder 10 fixed at the end 35 is shown in Figure 2-8 of the QV. When the injection is to be performed, first remove the convex portion 34 of the base = two * from the positioning concave portion 224 (such as (Shown in Figures 5 and 7), = From f, 222, turning 22_ moves forward in the chute 22〇, the needle 41 of this head unit 40 can be opened from the front end of the sleeve unit 20— When entering and exiting until the convex portion 34 moves to the front stop point 221F, the needle 41 is fully exposed, and a telescopic figure is formed; because the operation of holding the sleeve unit 20 by the hand = setting 3 to the needle Beyond 41, there is no need to pass through the needle tip 41a of the needle 41; therefore, there is no danger of injury or virus infection during use, and it is extremely safe. When the injection is completed, the sleeve unit 20 only needs to be operated in the reverse direction. The convex portion 34 = when the stopper portion 221F at the front end of the chute 220, the turning portion 221R at the rear end and the lateral section 222 are moved to the positioning recess 224 at the rear end, The needle unit 40 is once again hidden inside the cannula unit 20, that is, the protection state of the hypodermic needle before use is restored as shown in Fig. 7 and Figure 7. When the base unit 30 is tightened clockwise, the convex The portion 34 then enters the locking square groove 225 by positioning the recessed portion 224, as shown in Figs. 6 and 8. At this time, the convex portion 34 passes the restricting portion 227 and enters the locking square groove 225. The convex portion 34— Once entering the locking square groove 225, it is held in the locking square groove 225. As shown in FIG. 8, since the left side of the top surface of the convex portion 34 is much higher than the bottom edge of the limiting portion 227, the convex portion Once the 34 enters the locking square groove 225, it is difficult for the convex portion 34 to slide out of the restricting portion 227 after being restricted by the restricting portion 227. In this way, it is ensured that the needle tip 41 of the needle unit 40 is permanently hidden in the sleeve
2UU41U7382UU41U738
套管單元2。之操;位】3。由於’此過程中’手部握持 過針頭41之針尖41a .因/終位於針頭41之後方’無需經 感染之情事發± ,因此」完全不虞有扎傷或受到病毒 明之最主要特色之所J女全性;此結構特徵’實為本發 此間應予說明去,%丄 進一步確保安全套管 x明之一較佳貫在施例中為了 -.Λ 早兀20在使用上絕對安全’於針座單 ίU入時讓使用過之污染針頭41 -經卡制後,杜絕 2 \ 使用’特將Τ型滑槽220之橫向段221左段做成 二"凸部34緊配合之定位凹部m,右段做成具有一經 I ί ^ 2 2 7之擋止後再進入緊配合之鎖止方槽2 2 5,由於 套官皁7020為塑膠射出成型,在設計上及材料之選擇上, 乃刻思地设计令限止部227具有良好彈性及強韌性,以令 凸部34由限止部227下方扣入鎖止方槽225内後,限止部 227仍保持其原具之強度,由圖可知限止部227係為一細條 元件與安全套管單元2〇之本體材料連成一體。 為了使操作上容易起見,如第1及丨Α圖所示,係將凸 部之頂部做成如上所述自左朝右之弧形傾斜頂面,即由 較向之第二面3 4 2往較低之第四面3 4 4呈弧面傾斜,同時, 再由第一面3 41朝向第三面3 4 3也作了弧形傾斜,以方便操 作套官單元20時,凸部34易於越過限止部227而進入鎖止 方槽225内,然一旦凸部34進入鎖止方槽225後即被擋止於 鎖止方槽225内,如第6及8圖所示,由於凸部34之頂面左 側高於限止部227之底緣高度甚多,故凸部34 一旦進入鎖Sleeve unit 2. Operation; bit] 3. Because in this process, the hand has held the tip 41a of the needle 41. Because / finally located behind the needle 41, there is no need to be infected, so “there ’s no need to be injured or infected by the most important feature of the virus. J female is full-featured; this structural feature 'is to be explained here,% 丄 further ensures that one of the safety sleeves x Ming is better in the embodiment in order to-. Λ early Wu 20 is absolutely safe in use' on the needle When the seat sheet is inserted, let the used contaminated needle 41-after carding, put an end to 2 \ Use 'Specially make the left section of the horizontal section 221 of the T-slot 220 into two " convex section 34 tightly fitted positioning recess m The right section is made to have a locked square groove 2 2 5 after being blocked by I ^ 2 2 7. Since the official soap 7020 is injection-molded from plastic, the design and material selection are engraved. The thinking design makes the restricting portion 227 have good elasticity and toughness, so that after the convex portion 34 is buckled into the locking square groove 225 from below the restricting portion 227, the restricting portion 227 still maintains its original strength. 227 is a thin strip element connected to the body material of the safety sleeve unit 20 One. In order to make it easy to operate, as shown in Figures 1 and 丨 A, the top of the convex portion is made into an arc-shaped inclined top surface from left to right as described above, that is, the second surface facing upwards 3 4 2 is inclined toward the lower fourth surface 3 4 4 and at the same time, it is also inclined from the first surface 3 41 to the third surface 3 4 3 to facilitate the operation of the convex unit 20 when the convex portion 34 easily crosses the restricting portion 227 and enters the locking square groove 225, but once the convex portion 34 enters the locking square groove 225, it is blocked in the locking square groove 225, as shown in Figs. 6 and 8, The left side of the top surface of the portion 34 is much higher than the bottom edge of the stopper portion 227, so once the convex portion 34 enters the lock
200410738 五、發明說明(8) 止方槽225後,受限止部227之阻擋,凸部34絕難再滑出限 止部2 2 7之外。如此,針座單元4 0之針頭4 1,〆旦縮入針 套單元20内並令凸部34鎖入鎖止方槽225後,不僅不會再 傷及接觸針管之醫務或其他人員,且使用過之針頭不可能 再度被使用,此節對於低度開發國家不肖之徒將已用過之 針頭再度清洗被利用之可能性完全根除,此乃為本發明最 主要之創意所在,謹此一併說明。200410738 V. Description of the invention (8) After the square groove 225 is stopped, the stopper 227 is restricted, and the convex portion 34 will never slide out of the stopper 2 2 7 again. In this way, after the needle 41 of the needle seat unit 40 is retracted into the needle sleeve unit 20 and the convex portion 34 is locked into the locking square groove 225, not only will the medical staff or other personnel contacting the needle tube not be injured, and Used needles cannot be used again. This section completely eradicates the possibility of re-cleaning and using used needles by the bad people in low-developed countries. This is the main idea of this invention. And explain.
本發明創意之另一特徵在於將上述實施例之套管單元 20之中間外周加設一止滑凸環23,以方便使用者手指握 持’且在套管單元20後端内壁如第4圖所示,又形成一喇 叭擴大孔228及一肩部229,由於凸部34之高度加上筒體4 座單元30之外徑的總尺寸D1小於喇叭擴大孔228之最大内 徑D3而^於喇叭擴大孔228之最小内徑D2,此一界定再加 上套管單元2 〇之塑膠材料所具有良好彈性及強韌性等特 性,=僅有利於注射筒體50與套管單元2〇組合時,該筒谓 基座單兀30卡止凸部34易於插入套管單元2〇内,且更可 簡化套管單元20之成形模具構造’否則卡止 加上筒體基座單元3〇之外徑的總尺顿遠大於套管單Another feature of the inventive idea is that an anti-slip convex ring 23 is provided at the middle outer periphery of the sleeve unit 20 of the above embodiment to facilitate the user's finger grip, and the inner wall of the rear end of the sleeve unit 20 is as shown in FIG. 4. As shown, a horn expansion hole 228 and a shoulder portion 229 are formed, because the total size D1 of the height of the convex portion 34 plus the outer diameter of the cylinder 4 seat unit 30 is smaller than the maximum inner diameter D3 of the horn expansion hole 228. The minimum inner diameter D2 of the horn enlarged hole 228, this definition plus the plastic material of the casing unit 20 has good characteristics such as good elasticity and toughness, etc. = only when the injection cylinder 50 and the casing unit 20 are combined This cylinder is called the base unit 30, and the locking protrusion 34 is easy to be inserted into the casing unit 20, and the forming mold structure of the casing unit 20 can be simplified. The total diameter of the diameter is much larger than the casing single
寸2,fi無法使該筒體基座單元3°卡止凸部34直. 丨j肢丞座早兀30卡止凸部34套入套瞢;;οπ & 後’再將該裂隙以予熱接合方式封閉套使内 形模具構造及組裝均相當繁υ f =二早心… 徵。 ^日田糸項此即乃為本發明之另一斗Inch 2, fi can not make the cylinder base unit 3 ° locking convex portion 34 straight. 丨 j limb 早 座 early wood 30 locking convex portion 34 is sleeved into the sleeve; οπ & The pre-heat-joint closure sleeve makes the internal mold structure and assembly quite complicated. ^ Hita Yaki This is another fight for the present invention
第12頁 200410738 五、發明說明(9) 請參閱第9-10圖所示,為本 — 用說明,•本發明之第二實施例中月:::::施例之使 係實施於細長皮下注射筒體丨〇A 女全針套裝置 30,藉由縱長筒體30後端35二Λ5亥縱長筒體基座單元 部m所套固,如第9圖所示而2長=筒體1〇A之連接 例中,本發明安全針套裝置俜實本發明之第三實施 1 〇 Β ^ Μ ^ ^ ^ ^ ^ Λ 3 0,Λ ^ ^ 而為大徑管注射筒體10Β之連接邛/ ^長筒體3 0後端3 5 示,並能如上述本發明第一連實V二B ;斤2套3固及:=1 0圖所 方式實施’·且此結構特徵大體上與二::: 相同,有關說明從略。 弟貝^例 ,參閱第11 ®所示,在本發明 明可實施於點滴導管接頭70,且n电 7。之連接部71之内螺紋上,且由凸緣351嵌入連:;二碩 以增力。其固定強度,並能如上述本發明第—以 2-3及4-8圖:示之方式實施;且此結構特徵大體上與上述 本發明第一貫施例相同,有關說明從略。 此間擬特別強調說明者,乃本發明最主要之創意 在於提供一種藉由套管單元、縱長筒體基座單元、及針 f元等所構成之針頭安全裝置,亦即該針頭安全I置 I單元係以筒體基座單元作為針頭單元與注射筒: 合橋樑之簡易緊密套固,並使操作位置始終位於針頭之= 方,以避免使用中不慎扎傷,而確保其安全性;因此,Page 12 200410738 V. Description of the invention (9) Please refer to Figures 9-10, for the purpose of explanation. • The second embodiment of the present invention is in the month ::::: The embodiment is implemented in a slender Hypodermic injection cylinder 丨 〇A female full needle sleeve device 30 is fixed by the rear end 35 of the longitudinal cylinder 30 and the base unit m of the longitudinal cylinder base m, as shown in FIG. 9 and 2 length = In the connection example of the cylinder 10A, the safety needle sheath device of the present invention implements the third embodiment of the present invention 10B ^ M ^ ^ ^ ^ Λ 3 0, Λ ^ ^ and the large-diameter tube injection cylinder 10B The connection 邛 / ^ long cylinder 3 0 rear end 3 5 is shown, and can be implemented as the first continuous solid V 2 B of the present invention; 2 sets of 3 solids and: = 10 implemented in the manner shown in the figure. Basically the same as 2 ::, the description is omitted. For example, referring to Figure 11 ®, the present invention can be implemented in a drip catheter connector 70, and n electricity 7. The connecting portion 71 is internally threaded, and is embedded and connected by the flange 351: Ershuo to increase the force. Its fixed strength can be implemented as shown in the above-mentioned first embodiment of the present invention in the manner of Figures 2-3 and 4-8; and this structural feature is substantially the same as the first embodiment of the present invention described above, and the relevant description is omitted. Those who want to emphasize the explanation here are the main idea of the present invention is to provide a needle safety device composed of a cannula unit, a longitudinal cylinder base unit, and a needle element, that is, the needle safety device The I unit uses the cylinder base unit as the needle unit and the syringe: it is easy and tight to fit the bridge, and the operating position is always located at the side of the needle to avoid accidental injury during use and ensure its safety; therefore,
200410738200410738
在無需變更彳 glI _ B 7原有之各種傳統注射筒體及針頭結構之原 只J卜,艮ρ "νΤΓ吉ϋιrxi J 滴導管接頭上ΐϋ各種不同之傳統皮下注射筒體或點 極為容L=廣泛之相容性與適用性,且操作 意所獨到之:徵及所構成之空間型態實為本發明創 * f凸邛及導槽以及導槽内之凸部的閉鎖手 ::或方形扣止凹部)均係為本發明上述較佳 U:特例爾’並非局限於此,其他尚有諸 ;:ϊτ :列如、’凸部34可改為方形體或多角 + 1 ^ 5 I形導槽,而將後端轉折部2 2 1 R與 224兩,合而為一亦屬可行,謹此陳明。 4+ _5 ί所述’本發明在無需變更任何原有之 原則下’即可以最簡單的手段直接 i t ΐ ΐ ΐ乙節,顯見實已充分符合發明專 ::依法提出專利之申請,懇請早曰賜准本 彩.4專利法獎勵國人發明之立法精神,是所至 复要部分代表符號丄 ;L主大射-筒體由 1 0 Α細長皮下注射筒體 10B大徑管皮下注射筒體 11、11 A〜B連接部 21官體 2 1 B開孔 22防塵蓋 20套管單元 220滑槽、直向部221橫向部 段(即卡止 實施例舉隅 多等同手段 體,T導槽 定位凹部 注射筒體及 套固於不同 利之申請要 案專利,以 盼0There is no need to change 彳 glI _ B 7 the original traditional injection cylinder and needle structure of the original J Bu, Gen p " νΤΓ 吉 ϋιrxi J drip catheter connector on the different traditional hypodermic injection cylinders or points L = wide compatibility and applicability, and unique operation intention: the space type formed by the sign is actually the invention invention * f convex ridge and the guide groove and the locking hand in the guide groove :: Or square buckle recesses) are the above-mentioned preferred U: Special examples are not limited to this, there are other ;; ϊτ: column as, 'projection 34 can be changed to a square body or a polygon + 1 ^ 5 I-shaped guide grooves, and it is feasible to combine the rear end turning portions 2 2 1 R and 224 into one. 4+ _5 ‘The invention can be directly used in the simplest way without changing any of the original principles’ Section ΐ ΐ ΐ Section B, it is clear that it is fully in line with the invention: Application for a patent in accordance with the law, please be as early as possible The principle of legislation that rewards Chinese people's inventions in the Patent Law is the representative symbol of the most important part 主; L main shot-the cylinder consists of 1 0 Α slender hypodermic injection cylinder 10B large diameter tube hypodermic injection cylinder 11, 11 A ~ B connecting part 21 Official body 2 1 B opening 22 Dust cover 20 Sleeve unit 220 Sliding groove, Straight portion 221 transverse section (ie, the locking example includes multiple equivalent means, T guide groove Positioning the concave injection cylinder and sleeve to apply for patents with different benefits, hope 0
200410738 發明說明(11) 221R後端轉折部 221F前端止擋部 2 2 4方形定位凹部 2 2 5鎖止槽 2 2 7限止部 2 2 8喇擴大孔 2 2 9肩部 2 3止滑凸環 30筒體基座單元 3 3較小徑管體 34凸部 341第一D形面 342第二梯形面 343第三D形面 344第四梯形面 3 4 5頂面 346底面 3 5較大徑管體 3 5 1凸緣 4 0針頭單元 41針頭 41 a針尖 42針座 71固定端 70導管接頭200410738 Description of the invention (11) 221R rear end turning part 221F front end stop 2 2 4 square positioning recess 2 2 5 lock groove 2 2 7 stop 2 2 8 enlarged hole 2 2 9 shoulder 2 3 anti-slip convex ring 30 cylinder base unit 3 3 smaller diameter pipe body 34 convex portion 341 first D-shaped surface 342 second trapezoidal surface 343 third D-shaped surface 344 fourth trapezoidal surface 3 4 5 top surface 346 bottom surface 3 5 larger diameter Body 3 5 1 Flange 4 0 Needle unit 41 Needle 41 a Needle tip 42 Needle seat 71 Fixed end 70 Catheter connector
323-021TWP.ptd 第15頁 200410738 圖式簡單說明 第1圖係為本發明一較佳實施例之立體分解示意圖 第1 A圖係為本發明一較佳實施例之凸部立體放大示意 圖; 第2圖係為本發明一較佳實施例未使用狀態之剖面圖; 第2A圖為第2圖之局部放大剖面圖; 第3圖為本發明一較佳實施例使用狀態之剖面圖; 第4〜6圖為本發明第一較佳實施例之第一至第三動作狀 態說明圖; 第7圖為自第5圖7-7線之剖面動作圖; 第8圖為自第6圖8-8線之剖面動作圖; 第9圖係為本發明第二較佳實施例之立體示意圖; 第1 0圖係為本發明第三較佳實施例之立體示意圖; 第1 1圖係為本發明第四較佳實施例之立體示意圖。323-021TWP.ptd Page 15 200410738 Brief Description of Drawings Figure 1 is a three-dimensional exploded view of a preferred embodiment of the present invention Figure 1 A is a three-dimensional enlarged schematic view of a convex portion of a preferred embodiment of the present invention; FIG. 2 is a sectional view of an unused state of a preferred embodiment of the present invention; FIG. 2A is a partially enlarged sectional view of FIG. 2; FIG. 3 is a sectional view of a used state of a preferred embodiment of the present invention; Figures 6 to 6 are explanatory diagrams of the first to third operating states of the first preferred embodiment of the present invention; Figure 7 is a sectional operating diagram from line 7-7 of Figure 5; Figure 8 is from Figure 6 to Figure 8- Section 8 action drawing; Figure 9 is a schematic perspective view of the second preferred embodiment of the present invention; Figure 10 is a schematic perspective view of the third preferred embodiment of the present invention; Figure 11 is the present invention A perspective view of the fourth preferred embodiment.
323-021TWP.ptd 第16頁323-021TWP.ptd Page 16
Claims (1)
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TW91138184A TW592742B (en) | 2002-12-31 | 2002-12-31 | Safety syringe for subcutaneous injection |
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TW91138184A TW592742B (en) | 2002-12-31 | 2002-12-31 | Safety syringe for subcutaneous injection |
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TW592742B TW592742B (en) | 2004-06-21 |
TW200410738A true TW200410738A (en) | 2004-07-01 |
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TWI573605B (en) * | 2016-02-24 | 2017-03-11 | Cc Biothechnology Corp | Safety needle |
JP6700411B2 (en) | 2016-03-02 | 2020-05-27 | 群康生技股▲分▼有限公司 | Safety injection needle |
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