200808397 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種安全注 庄射裔，特別是指一種注射器於 使用完畢後，其針座及使用過之牡π ' 之針碩可以完全内縮且收藏 於注射筒中之安全注射器。 【先前技術】 注射裝置與針頭安全的使用，不僅對病人、對醫務人200808397 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a safety shot, in particular to a syringe, after the use of the syringe, the needle holder and the used π ' needle can be completely inside A safety syringe that is retracted and stored in the syringe. [Prior Art] The safe use of injection devices and needles is not only for patients, but also for medical personnel.
員、對環境與對公㈣安全都有正面幫助，其不僅涉及注 射裝置與注射後的用具處理箄 处里寺％即，更能減少重複使用一 次性注射裝置、或減少連續使用共用針頭、針管或注射筒， 或是技術操作不正確等非安全注射行爲；有些醫療衛生機 構更為收集所産生的醫療廢棄物，特別按照類別，將醫療 廢棄物分職置於時漏、防㈣穿透的專用包裝物或密 閉的容器内。 習用注射裝置係如美國申請第6〇/282,765號專利案， ^主要構成特徵為：—種用於向人體體内注射液態或固態 藥物的主射衣置’该〉主射裳置包括：一設有近端和遠端的 中工外八又所不外设的結構設計為容納液態或固態藥物； 中二針頭，所不針頭安裝在外殼的遠端並在所述外殼内 縱向延伸’一包括一近端和一遠端的柱塞，所述柱塞的結 冓可在外π又近食而内滑動；以及一與外殼遠端可滑動地連接 的中二套筒’該中空套筒的結構可覆蓋注射之前的針頭， 200808397 並在注射期間縮入外殼内。 如美國第 5, 531，694，5, 632, 733，6, 206, 857 號專利 案，其均均在強調注射裝置在藥劑注射完畢後，套筒可從 外殼伸出覆蓋住針頭，或針頭回縮進注射裝置内部，以達 針頭使用後之安全設計。 本案創作人鑑於上述注射裝置其針頭與注射裝置結合 時的一些缺點，乃加以改良，以再提供另一種安全注射器。 【發明内容】 本發明之目的即在於提供一種安全注射器，於注射筒 一端設有雙螺牙，可於注射完畢後將針頭拉出皮膚時，確 保不會讓針頭脫落而還插在人體身上。 本I月之久一目的係在於提供一種於使用完畢後，針 座及針頭可完全容置於注射狀㈣，針頭蓋且可插置於 注射筒中防止針尖凸伸露於注射筒外部之安全注射器。 本發明之另-目的係在於提供—種於使用完畢後可將 推桿與頸部折斷分離已大幅減少廢棄注射器之長度的安全 注射器。 爲使本發明之安全注射器’可達成上述發明目的，本 發明之安全注射器，包括有： η推#，依序形成有頂凸柱、套環、頂推段、卡擎凸 %、擋止環、折斷凹環、推桿桿體及一推板； 200808397 一連接套，内具有中孔及錐孔洽可套置於推桿之頂凸 柱、套環及頂推段處，連接套外分別形成頂套段、階級段 及結合段，該頂套段成錐狀且結合段上另設有數凸肋；It is positive for the environment and for the safety of the public (4). It not only involves the injection device and the post-injection treatment, but also reduces the reuse of the disposable injection device or reduces the continuous use of the shared needle and needle. Or a syringe, or a non-safe injection behavior such as incorrect technical operation; some medical and health institutions collect medical waste generated by the medical institution, especially according to the category, the medical waste is divided into time leakage and prevention (4) penetration. Special packaging or closed container. The conventional injection device is, for example, the U.S. Patent Application Serial No. 6/282,765, the main constituent features of which are: - a main shot for injecting a liquid or solid drug into a human body; the main shot includes: The structure with the proximal end and the distal end is not designed to accommodate liquid or solid drugs; the second needle is not mounted on the distal end of the outer casing and extends longitudinally within the outer casing. The utility model comprises a proximal end and a distal end plunger, the crucible of the plunger being slidable outside the π and near food; and a middle sleeve slidably connected to the distal end of the outer casing The structure covers the needle before injection, 200808397 and is retracted into the housing during injection. For example, in U.S. Patent Nos. 5,531,694, 5, 632, 733, 6, 206, 857, each of which emphasizes that after the injection of the medicament, the sleeve can extend from the outer casing to cover the needle, or the needle. Retracted into the inside of the injection device to achieve a safe design after use of the needle. The creators of the present invention have improved some of the disadvantages associated with the injection device described above in connection with the injection device to provide another safety syringe. SUMMARY OF THE INVENTION The object of the present invention is to provide a safety syringe which is provided with a double thread at one end of the syringe, which can be inserted into the skin after the injection is completed, so as to ensure that the needle does not fall off and is inserted into the human body. The purpose of this I month is to provide a safety syringe that can be completely placed in the injection shape after the use, and the needle cover can be inserted into the syringe to prevent the tip of the needle from sticking out of the syringe. . Another object of the present invention is to provide a safe syringe that can be used to break the push rod from the neck after use and has greatly reduced the length of the spent syringe. In order to achieve the above object of the invention, the safety syringe of the present invention comprises: η push#, sequentially forming a top protrusion, a collar, an ejector section, a squeezing convexity, and a stop ring. , broken concave ring, push rod body and a push plate; 200808397 A connecting sleeve with a middle hole and a tapered hole can be placed on the top protruding column, the collar and the pushing portion of the push rod, respectively Forming a top sleeve section, a class section and a joint section, the top sleeve section is tapered and the joint section is further provided with a plurality of ribs;
一注射筒，具有一可供藥劑容置之圓管空間，該圓管 空間之頂端係收束形成一抵靠部，該圓管空間底端内部係 環設有一環凸部、開口狀之圓錐段，底端外部具有板體供 手指拉持操作；而該抵靠部内部漸縮呈一圓錐體之中空形 態，由下而上依序形成有一定位凸環、凸肋、上凸環及旋 入段，該抵靠部洽可供連接套被推桿整個推到抵靠部後， 利用疋位凸環及上凸環的限制而確實定位； -針座，内具錐孔，±有針頭，下有定位凸緣，該定 位凸緣上有相對應之凹弧段，· 一針頭蓋，係成中空孔以供蓋合該針頭。 【實施方式】 請參閱圖—系本發明之立體分解μ圖，本發明之」 全㈣器，係由推桿卜連接套2、注射筒3、針座4化 頭蓋5等組合而成。 如圖一及圖二所示，該推桿1，由上至下依序形成; 頂凸柱η、套環12、頂推段13、卡擎凸環14、擔止u 折斷凹環16、推桿桿體17芬 ^ ^ 才禮17及—推板18。該卡掣凸環14' 擋止裱15均形成向上之收縮斜錐。 6 200808397 遠連接套2内具有中孔21及錐孔22洽可套置於推桿 1之頂凸柱11、套環12及頂推段13處，該錐孔22底端具 有卡掣凹緣221洽可與卡掣凸環14相互結合固定（請一並 參閱圖三至圖五所示），該錐孔22其底端形狀為一呈有長 軸與短軸且近似於橢圓形之形態，而該錐孔22其底端環繞 的總長係小於推桿1之卡掣凸環14圍環繞的總長，使卡掣 凹緣221與卡掣凸# 14可確實相互密接結合固定不易脫 洛，連接套2外分別形成頂套段23、階級段24及結合段 25，該頂套段23肖該階級段24成錐狀，且結合段25上另 有數凸肋26，其中至少二凸肋26相對於彼此爽角，係小 於注射筒3其二凸肋34所相對之夾角。 忒庄射同3，其具有一可供藥劑容置之圓管空間31， 5亥圓官空間31之頂端係收束形成-抵靠部32,其圓管空間 31底端内部係環設有一環凸部37、開口狀之圓錐段⑽，底 。山卜P /、有板體39以供手指拉持操作，且該板體39可為 圓板狀或對應之板體;開口狀之圓錐㈣獅桿]之擋 止％ 15置入後，利用階級狀之環凸部37予與擋住防止推 桿1整個被拉出。 而。亥抵*部32内部漸縮呈_圓錐體之中空形態，由下 序形成有一疋位凸環33、凸肋34、上凸環奶及旋 入& 36’其中該凸肋34係等角度依固定角度設置，而該旋 200808397 入段36可為單螺紋或複數螺紋；請參閱圖六所示，該抵靠 部32洽可供連接套2被推桿1整個推到抵靠部32後，利 用定位凸環33及上凸環35的限制而確實定位，定位的同 時連接套2則以錐狀之階級段24完整緊貼住凸環35之上 緣内部，以達推桿1與連接套2間形成有密閉空間，此時 即可將針座4從旋入段36予與旋入結合，因習用注射筒3 如與連接套2分離，則連接套2需於階級段24處設置環狀 之防水橡膠，以達防水之功效，而本發明其連接套2之階 級段24則不需加裝防水橡膠，只採用階級段24以圓錐狀 之環狀外壁密合於注射筒3内部，如此則可簡化元件之使 用，與組裝工時。 請再參閱圖一及圖六，該針座4，内具錐孔41，上有 針頭42，下有定位凸緣43，該定位凸緣43藉此可順利自 旋入段36予與旋入，再與連接套2之頂套段23相互套入 作緊密結合（如圖十所示），且定位凸緣43恰好位於旋入 段36之下並受其限制而無法自旋入段36處脫離，使含針 頭42之針座4與注射筒3結合成一組，注射完畢將針頭42 拉出皮膚時，確保不會讓針頭42脫落而還插在人體身上。 另請參閱圖七至圖九，本發明之注射筒3其抵靠部32 •内部漸縮呈一圓錐體之中空形態，其也可只形成有一定位 凸環33、凸肋34、上凸環35，而不用設置旋入段36，以 200808397 以簡化 供使用者直接將針座4置人連接套2之頂套段^， 使用人員之操作。 請-並參閱圖十—至圖十三所示，當連接套2被推桿工 整個推到注射筒3之抵靠部32後’抵靠部32之凸肋34恰 好與凸肋26對應限制卡掣定位，使連接套2不會打轉，以 利於針座4之旋入操作。a syringe having a circular tube space for receiving a medicament, the top end of the tubular space being bundled to form an abutting portion, the inner end of the circular tube space is provided with a ring convex portion and an open cone a segment having a plate body for a finger pulling operation; the abutting portion is internally tapered to have a hollow shape of a cone, and a positioning convex ring, a convex rib, an upper convex ring and a rotation are sequentially formed from bottom to top. In the in-situ section, the abutting portion can be positioned by the push rod after being pushed all the way to the abutting portion, and the positioning is ensured by the limitation of the clamped convex ring and the upper convex ring; - the needle seat has a tapered hole, and the needle has a needle There is a positioning flange under the positioning flange, and a corresponding concave arc segment, a needle cover is formed into a hollow hole for covering the needle. [Embodiment] Referring to the drawings, a perspective exploded view of the present invention, the "fourth" device of the present invention is a combination of a pusher bucker sleeve 2, a syringe 3, a hub 4 head cover 5, and the like. As shown in FIG. 1 and FIG. 2, the push rod 1 is sequentially formed from top to bottom; the top protrusion η, the collar 12, the ejector section 13, the squeezing convex ring 14, the yoke breaking concave ring 16, The putter body 17 is fen ^ ^ 才礼17 and - push plate 18. The latching ring 14' retaining jaws 15 each form an upward contracting taper. 6 200808397 The distal connecting sleeve 2 has a middle hole 21 and a tapered hole 22, which can be placed on the top protruding column 11, the collar 12 and the pushing portion 13 of the push rod 1, and the bottom end of the tapered hole 22 has a latching concave edge The 221 can be combined with the latching ring 14 (see FIG. 3 to FIG. 5). The bottom end of the taper hole 22 has a shape of a long axis and a short axis and is approximately elliptical. The total length of the tapered end 22 surrounding the bottom end is smaller than the total length of the click ring 14 of the push rod 1 so that the latching edge 221 and the latching protrusion 14 can be closely combined with each other to fix the detachment. The top sleeve section 23, the class section 24 and the joint section 25 are respectively formed outside the connecting sleeve 2, and the top sleeve section 23 is formed in a tapered shape, and the coupling section 25 has a plurality of ribs 26, wherein at least two ribs 26 are included. The angle of refreshing relative to each other is smaller than the angle between the two ribs 34 of the syringe 3. The same as the 3, which has a circular tube space 31 for the medicine to be accommodated, and the top end of the 5 round official space 31 is formed to form an abutting portion 32, and the inner end ring of the bottom end of the round tube space 31 is provided. A ring convex portion 37, an open cone portion (10), and a bottom. The mountain P / / has a plate body 39 for finger holding operation, and the plate body 39 can be a circular plate shape or a corresponding plate body; the opening of the cone (four) lion shaft] is blocked after the use of 15% The ring-shaped convex portion 37 of the class shape prevents the entire push rod 1 from being pulled out. and. The inner portion of the sea portion 32 is tapered into a hollow shape of a cone, and a lower convex ring 33, a convex rib 34, an upper convex ring milk, and a screwing & 36' are formed in the lower order. According to the fixed angle setting, the inward section of the 200808397 can be a single thread or a plurality of threads; as shown in FIG. 6, the abutting portion 32 can be used after the connecting sleeve 2 is pushed by the push rod 1 to the abutting portion 32. The positioning of the positioning collar 33 and the upper convex ring 35 is used to ensure the positioning. At the same time, the connecting sleeve 2 is completely in close contact with the inner edge of the convex ring 35 with the tapered section 24 to reach the push rod 1 and the connection. The sleeve 2 is formed with a confined space, and the needle holder 4 can be screwed into the screwing section 36 at this time. Since the conventional syringe 3 is separated from the sleeve 2, the sleeve 2 needs to be disposed at the section 24 The ring-shaped waterproof rubber has the effect of waterproofing, and the segment 24 of the connecting sleeve 2 of the present invention does not need to be equipped with waterproof rubber, and only the tubular section 24 is used to fit the inside of the syringe 3 with a conical annular outer wall. This simplifies the use of components and assembly man-hours. Referring to FIG. 1 and FIG. 6 again, the needle holder 4 has a tapered hole 41 with a needle head 42 and a positioning flange 43 thereon. The positioning flange 43 can be smoothly screwed into the segment 36 to be screwed in. Then, the top sleeve section 23 of the connecting sleeve 2 is nested with each other for close fitting (as shown in FIG. 10), and the positioning flange 43 is just below the screwing section 36 and is restricted by it and cannot be screwed into the section 36. The detachment causes the needle hub 4 including the needle 42 to be combined with the syringe 3, and when the needle 42 is pulled out of the skin after the injection is completed, it is ensured that the needle 42 is not detached and is inserted into the human body. Please refer to FIG. 7 to FIG. 9 , the abutting portion 32 of the syringe 3 of the present invention is internally hollowed into a hollow shape of a cone, and only a positioning convex ring 33 , a convex rib 34 and an upper convex ring may be formed. 35, instead of setting the screw-in section 36, to 200808397 to simplify the user to directly place the needle holder 4 into the top sleeve section of the sleeve 2, the operation of the user. Please refer to FIG. 10 to FIG. 13 , after the connecting sleeve 2 is pushed by the pusher to the abutting portion 32 of the syringe 3, the rib 34 of the abutting portion 32 corresponds to the rib 26 . The positioning of the cassette makes the connecting sleeve 2 not rotate, so as to facilitate the screwing operation of the needle holder 4.
如圖-至圖六所示，該針頭蓋5係成中空孔51之圓錐 形態以供蓋合該針頭42之用，且該針頭蓋5之外緣環設有 數凸肋52，而該針頭蓋5係可成頂、底端相通的形態或只 具有一開口的形態。 凊苓閱圖六、圖十及圖十四所示，該連接套2套置方 推杯1上之後’被推桿i整個推到注射筒3之抵靠部 定位’可將套置有針頭蓋5之針座4自抵靠部32上的旋7 段36旋入，使針座4與連接套2的頂套段23套接固定， 即可拔出該針頭蓋5，將針頭42注入藥瓶或人體身上，開 始慢慢回拉推桿i以進行加藥、或抽血等醫療操作（請參 閱圖十四所示）。 請參閱圖十輯示，此空間31若使已經充滿所 需藥劑，利用針頭42注人人體身上，開始慢慢將推桿i前 推以進行注射等醫療操作，直到藥劑打完，連接套2再被 推桿1的頂推段13插入結合。此時將針頭蓋5再次將針頭 200808397 42整個套住’即可將推桿1往外拉同時利用針頭蓋5下壓 連同針頭42整個推人注射筒3之内，再拉出針頭蓋以反 向將該針頭蓋5自抵靠部32插人至注射筒3之内，並將凸 申。射筒3之外的推桿桿體17自折斷凹環予與折斷 (請參閱圖十五所示）。 綜上所述，本案不但在空間型態上確屬創新，並能較 白用物增進上述多項功效，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，懇言青貴局核 准本件發明專财請案，賴㈣，至感德便。 【圖式簡單說明】 圖-為本發明具針座之安全注射器t立體分解示意 圖； 圖二為本發明部分剖面分解示意圖； 圖三為本發明之連接套與推桿結合示意圖； 圖四為本發明之連接套與推桿結合剖面示意圖（一）； 圖五為本發明之連接套與推桿結合剖面示意圖（二）； 圖六為本發明之針座置入注射筒之動作示意圖； 圖七為另一實施例之針座置入注射筒之動作示意圖； 圖八為另一實施例之針座欲置入注射筒之示意圖； 圖九為另一實施例之針座置入注射筒之示意圖； 圖十為本發明之針座置入注射筒後之鎖緊動作示意 200808397 圖十一為本發明之針座置入注射筒後之鎖緊剖面一土 圖； 圖十二為本發明之注射筒之旋入段剖面示意圖； 圖十三為本發明之連接套剖面示意圖；As shown in FIG. 6 to FIG. 6, the needle cover 5 is formed in a conical shape of the hollow hole 51 for covering the needle 42, and the outer edge ring of the needle cover 5 is provided with a plurality of convex ribs 52, and the needle cover is provided. The 5 series can be in the form of a top end or a bottom end or a form having only one opening. Referring to FIG. 6 , FIG. 10 and FIG. 14 , the connecting sleeve 2 is placed on the push cup 1 and then “the entire push rod i is pushed to the abutment portion of the syringe 3 to position the needle”. The needle holder 4 of the head cover 5 is screwed in from the screw 7 segment 36 on the abutting portion 32, so that the needle holder 4 and the top sleeve portion 23 of the connecting sleeve 2 are sleeved and fixed, and the needle cover 5 can be pulled out, and the needle 42 can be injected. On the bottle or the human body, start slowly pulling back the push rod i for medical operations such as dosing or blood drawing (see Figure 14). Please refer to Figure 10, if the space 31 is filled with the required medicine, use the needle 42 to inject into the human body, and then slowly push the push rod i forward to perform medical operations such as injection until the medicine is finished, and the sleeve 2 is connected. The ejector section 13 of the pusher 1 is then inserted into the joint. At this time, the needle cover 5 is again placed over the needle 200808397 42. The push rod 1 can be pulled outward while the needle cover 5 is pressed down together with the needle 42 to push the entire syringe 3, and then the needle cover is pulled out to reverse. The needle cover 5 is inserted into the syringe 3 from the abutting portion 32, and will be convex. The pusher rod body 17 outside the barrel 3 is broken and broken from the broken concave ring (see Fig. 15). In summary, this case is not only innovative in terms of space type, but also can enhance the above-mentioned multiple functions compared with white goods. It should fully meet the statutory invention patent requirements of novelty and progress, and apply in accordance with the law. You have approved this special invention for this invention, Lai (4), to the sense of virtue. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 2 is a perspective exploded view of a safety syringe with a needle holder according to the present invention; FIG. 2 is a partial cross-sectional exploded view of the present invention; FIG. 3 is a schematic view showing the connection of the connecting sleeve and the push rod of the present invention; FIG. 5 is a schematic cross-sectional view of a connecting sleeve and a push rod according to the present invention; FIG. 5 is a schematic cross-sectional view of the connecting sleeve and the push rod of the present invention; FIG. FIG. 8 is a schematic view showing the action of placing the needle hub into the syringe barrel according to another embodiment; FIG. 9 is a schematic view showing the needle hub of the other embodiment being placed in the syringe; FIG. 9 is a schematic view showing the needle hub of the other embodiment being placed in the syringe; Figure 10 is a locking operation diagram of the needle holder of the present invention after being placed in the syringe. Figure 10 is a soil drawing of the locking section of the needle holder of the present invention after being placed in the syringe; Figure 12 is an injection of the present invention; Schematic diagram of the screw-in section of the cylinder; Figure 13 is a schematic cross-sectional view of the connecting sleeve of the present invention;
圖十四為本發明之推桿與針座完全脫離之示音、圖； 圖十五為本發明之推桿後 %處作折斷分離之示意圖。 【主要部分代表符號】 从p 、 出庄射同及推桿自折斷凹 1推桿 11頂凸柱 12套環 13頂推段 14卡掣凸環 15擋止環 16折斷凹環 17推桿桿體 推板 2連接套 21中孔 22錐孔 23頂套段 24階級段 25結合段 200808397 26凸肋 221卡掣凹緣 3注射筒 31圓管空間 37環凸部 38圓錐段 39板體 32抵靠部 33定位凸環 34凸肋 35上凸環 3 6旋入段 4針座 41針頭 42固接部 4 3定位凸緣 5針頭蓋 51中空孔 52凸肋 12Figure 14 is a sound and diagram showing the complete separation of the push rod and the needle seat of the present invention; Figure 15 is a schematic view showing the breakage and separation of the % after the push rod of the present invention. [Main part representative symbol] From p, Zhuangzhuang shot and push rod self-folding concave 1 push rod 11 top stud 12 loop 13 push-up section 14 click collar 15 stop ring 16 break concave ring 17 push rod Push plate 2 connecting sleeve 21 hole 22 taper hole 23 top sleeve segment 24 segment 25 joint segment 200608397 26 rib 221 掣 concave edge 3 syringe 31 round tube space 37 ring convex portion 38 conical portion 39 plate body 32 Positioning of the convex part 34 of the rib 33, the rib 35 of the rib 35, the screwing of the rib 35, the screwing of the section 4, the needle seat 41, the needle 42, the fixing part 4, the positioning flange 5, the needle cover 51, the hollow hole 52, the rib 12