M310003 八、新型說明·· 【新型所屬之技術領域】 本創作係關於-種可回縮針頭之安全注射器，特別是 指一種注射器於使用完畢後，其針座及使用過之針頭可: 完全内縮且收藏於注射筒中之安全注射哭。 【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 員、對環境與對公衆的安全都有正面幫助，其不僅涉及注 射裳置與注射後的用具處理等環節，更能減少重複使用— 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 構更為收集所產生的醫療廢棄物，特別按照類別，將醫療 廢棄物分別放置於防滲漏、防銳器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， 其主要構成特徵為··-種用於向人體體内注射液態或固能 藥射裝置，該注射裝置包括：一設有近端和遠端的 卜/V又所示外敗的結構設計為容納液態或固態藥物； -中空針頭’所示針頭安裝在外殼的遠端並在所述外殼内 ，向K申’包括一近端和一遠端的柱塞，所述柱塞的結 構可在外殼近端内滑動；以及一與外殼遠端可滑動地連接 的中空套同，該中空套筒的結構可覆蓋注射之前的針頭， M310003 並在庄射期間縮入外殼内。 如吳國第 5, 531，694, 5, 632, 733, 6, 206, 857 號專利 案，其均均在強調注射褒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。 本案創作人毅上料射I置其制與注射襄置結 合日令的-些缺點，乃加以改良，以再提供另一種可回縮針 頭之安全注射器。 【新型内容】 本創作之目的即在於提供一種可回縮針頭之安全注射 器，於注射筒—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。 本創作之_人一目的係在於提供_種於使用完畢後，針 座及針頭可完全容置於注射筒之内部，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。 本創作之另一目的係在於提供_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。 可達成上述新型目的之可回縮針頭之安全注射 括有： 器，包 一推桿，依序形成有頂凸柱、套環、頂推段、卡擎 環、擋止環、折斷凹環、推桿桿體及一推板； M310003 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； 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5又有一裱凸部、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，該抵靠料可供連接套被推桿整個推到抵靠部後， 利用定位凸環及上凸環的限制而確實定位； 一針座，内具錐孔，上有針頭，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W-係賴作之讀分㈣意圖，本創作之 回縮針頭之安全注射器，係由推桿i、連接套2、注射筒3 針座4及針頭蓋5等組合而成。 如圖-及圖二所示，該推桿i，由上至下依序形心 頂凸柱u、套環12、頂推段13、卡掣凸環14、擒止環15 折斷凹環16、推桿桿體17及一始此 ^ 及推板18〇該卡掣凸環14石 招止環15均形成向上之收縮斜錐。 該連接套2内具有中孔21及錐 芦札U洽可套置於推构 M310003 1之頂凸柱U、套環12及頂推段13處，該錐孔22底端具 有卡掌凹緣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—呈有長 轴與短軸且近似於橢圓形之形態，而該錐孔Μ其底端環繞 的總長係小於推桿i之卡掣凸環14圍環繞的總長，使卡擎 凹緣221與卡掣凸们4可確實相互密接結合固定不易脫 落；連接套2外分卿朗套段23、階級段24及結合段 25，該頂套段23與該階級段24成錐狀，且結合段π上另 設有數凸肋26,其中至少二凸肋別相對於彼此夾角，係小 於注射筒3其二凸肋34所相對之夾角。 該注射筒3，其具有-可供藥劑容置之圓管空間3卜 /C] e』31之頂i而係收束形成一抵靠部犯’其圓管空間 31底端内部係環設有一環凸部3 7、開口狀之圓錐段狀，底 立而外部具有板體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;開口狀之圓錐段38利於推桿i之擋 止％ 15置人後’利用階級狀之環凸部π予與撞住防止推 桿1整個被拉出。 而該抵靠部32内部漸縮呈一圓錐體之中空形態，由下 而上依序形成有-定位凸環33、凸肋34、上凸環35及旋 入段36,其中該凸肋34係'等角度依固^度設置，而該旋 入段36可為單螺紋或複數螺紋；請參閱圖六所示，該抵靠 4 32 可供連接套2被推桿i整個推到抵靠部π後，利 M310003 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，而本創作其連接套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“藉此可順利自 旋入段36予與旋入，再與連接套2之頂套段”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 •k 36之下亚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 拉出皮膚時，確保不會讓針頭42脫落而還插在人體身上。 另睛蒼閱圖七至圖九，本創作之注射筒3其抵靠部32 内部漸縮呈-圓錐體之中空形態，其也可只形成有一定位 凸％ 33、凸肋34、上凸環35，而不用設置旋入段3β，以 供使用者直接將針座4置人連接套2之頂套段23，以簡化 使用人員之操作。 明亚簽閱圖十一至圖十三所示，當連接套2被推桿j M310003 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。 如圖-至圖六所示，該針頭蓋5係成中^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。M310003 VIII. New Description·· 【New Technical Fields】 This is a safety syringe for retractable needles. In particular, after a syringe is used, the needle holder and the used needle can be: Shrink and collect the safe injection crying in the syringe. [Prior Art] The safe use of the injection device and the needle is not only positive for the patient, the medical staff, the environment and the safety of the public, but it not only involves the injection and the treatment of the appliance after injection, but also reduces Reuse - a secondary injection device, or a reduction in the continuous use of a shared needle, needle or syringe, or technically incorrect operation, etc.; some health care facilities collect medical waste generated, especially by category. Place the medical waste in a special package for leak-proof, anti-sharp penetration or a closed container. The conventional injection device is the US Patent Application No. 6/282,765, the main constituent feature of which is for injecting a liquid or solid energy drug ejection device into a human body, the injection device comprising: a proximal end And the structure of the distal end of the disc/V is shown to contain the liquid or solid drug; the needle shown in the hollow needle is mounted at the distal end of the outer casing and within the outer casing, including a proximal end And a distal plunger, the plunger being slidable within the proximal end of the housing; and a hollow sleeve slidably coupled to the distal end of the housing, the hollow sleeve being configured to cover the needle prior to injection, M310003 is retracted into the housing during the stencil. For example, Wu Guo 5, 531, 694, 5, 632, 733, 6, 206, 857, all emphasize that the injection device can be extended from the outer casing to cover the needle after the injection of the medicament. Or the needle is retracted into the interior of the injection device to achieve a safe design after use of the needle. The creators of the case, Yi Shi, I, and the injection device, combined with the Japanese-made shortcomings, were modified to provide another safe syringe with retractable needles. [New content] The purpose of this creation is to provide a safety syringe with a retractable needle. There is a double screw at the end of the syringe, which can ensure that the needle will not fall off when the needle is pulled out of the skin after the injection. Also inserted in the human body. The purpose of this creation is to provide _ after the use, the needle seat and the needle can be completely accommodated inside the syringe, the needle cover can be inserted into the syringe to prevent the tip of the needle from protruding outside the syringe Safety 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 discarded syringe. The safety injection of the retractable needle which can achieve the above-mentioned new purpose includes: a device, a push rod, and a top protruding column, a collar, a pushing portion, a carding ring, a stopping ring, a broken concave ring, and the like. The push rod body and a push plate; M310003 a connecting sleeve, which has a middle hole and a tapered hole, and can be placed on the top protruding column, the collar and the pushing portion of the push rod, and the top sleeve segment is respectively formed outside the connecting sleeve, a segment section and a joint section, the top sleeve section is tapered and the joint section is further provided with a plurality of ribs; a syringe has a round tube space for the medicine to be accommodated, and the top end of the tube space is bundled to form a The inner end ring 5 of the bottom end of the circular tube space has a convex portion and an open-shaped conical section, and the outer end has a plate body for finger pulling operation; and the abutting portion is tapered inside and has a cone shape. The hollow shape is formed by a positioning convex ring, a convex rib, an upper convex ring and a screwing-in section from bottom to top, and the abutting material can be used for the connecting sleeve to be pushed by the push rod to the abutting portion, and the positioning convex ring is utilized. And the upper ring is restricted by the positioning; a needle seat with a tapered hole, a needle on the top, and a positioning convex under , Which has given the corresponding position on the concave part of the flange; a needle cover and tie into a hollow hole for capping the needle. [Embodiment] Please refer to the reading of the W-Series (4). The safety syringe of the retracting needle of this creation is a combination of the push rod i, the connecting sleeve 2, the syringe 3 needle seat 4 and the needle cover 5, etc. to make. As shown in FIG. 2 and FIG. 2, the push rod i, from top to bottom, sequentially forms a top protrusion u, a collar 12, an ejector section 13, a click ring 14, and a stop ring 15 to break the concave ring 16 The push rod body 17 and the first and the push plate 18, the click ring 14 and the stone ring 15 form an upward contraction taper. The connecting sleeve 2 has a middle hole 21 and a tapered abutting U can be placed on the top protruding post U, the collar 12 and the pushing portion 13 of the pushing M310003 1 , and the bottom end of the tapered hole 22 has a palm 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 hole 环绕 at the bottom end thereof is smaller than the total length of the yoke convex ring 14 of the push rod i, so that the shank concave edge 221 and the yoke 4 can be firmly combined with each other to be fixed and not easily detached; The sleeve 2 is divided into a section 23, a section 24 and a joint section 25. The top section 23 is tapered with the section 24, and the joint section π is further provided with a plurality of ribs 26, at least two of which are ribs. The angles with respect to each other are smaller than the angle between the two ribs 34 of the syringe 3. The syringe 3 has a top tube space for the container to be accommodated, and the top portion of the tube space 3b/c]e" is closed to form an abutting portion. The utility model has a ring convex portion 37, an open-shaped conical segment shape, a bottom portion and a plate body 39 for the finger pulling operation, and the plate body 39 can be a circular plate shape or a corresponding plate body; the open cone portion 38 is advantageous for the stop of the putter i. 15 After the person is placed, the whole of the push rod 1 is pulled out by the use of the ring-like convex portion π. The inner portion of the abutting portion 32 is tapered into a hollow shape of a cone, and a positioning cam 33, a rib 34, an upper convex ring 35 and a screwing portion 36 are formed in sequence from bottom to top, wherein the rib 34 is formed. The 'equal angle is set according to the degree of fixation, and the screw-in section 36 can be single thread or plural thread; as shown in FIG. 6, the abutment 4 32 can be pushed by the push rod i to the entire push rod i After the π, the M310003 is positioned with the restriction of the positioning convex ring 33 and the upper convex ring 35, and 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 A sealing space is formed between the push rod 1 and the connecting sleeve 2, and the needle base 4 can be screwed into the screwing section 36 at this time. Since the conventional syringe 3 is separated from the connecting sleeve 2, the connecting sleeve 2 needs to be The ring-shaped waterproof rubber is provided at the class section 24 to achieve the waterproof effect, and the class section 24 of the connecting sleeve 2 of the present invention does not need to be equipped with waterproof rubber, and only the class segment 24 is closed with a conical annular outer wall. Inside the syringe 3, 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 can be smoothly screwed into the segment 36 and screwed in. And then the top sleeve section of the connecting sleeve 2 is tightly coupled with each other (as shown in FIG. 10), and the positioning flange 43 is just under the screwing in and is not restricted by the screwing into the section 36. When the needle is disengaged, the needle hub 4 including the needle 42 is combined with the syringe 3, and when the needle is pulled out of the skin after injection, it is ensured that the needle 42 is not peeled off and is inserted into the human body. The eyepiece 3 of the present invention has a hollow shape in which the inside of the abutting portion 32 is tapered to a conical shape, and it is also possible to form only one positioning convex portion 33, a convex rib 34, and an upper convex ring. 35, instead of setting the screwing section 3β, for the user to directly place the needle seat 4 into the top sleeve section 23 of the sleeve 2 to simplify the operation of the user. Mingya, as shown in Figs. 11 to 13, when the connecting sleeve 2 is pushed all the way to the abutting portion 32 of the syringe 3 by the push rod j M310003, the rib 34 of the abutting portion 32 corresponds to the rib 26 The positioning of the cassette is restricted, so that the connecting sleeve 2 is not rotated, so as to facilitate the screwing operation of the needle holder 4. As shown in FIG. 6 to FIG. 6, the needle cover 5 is formed into a conical shape of the middle 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 The head cover 5 can be in the form of a top end or a bottom end or a form having only one opening.
請參閱圖六、圖十及圖十四所示，該連接套2套置於 推桿1上之後，被推桿！整個推到注射筒3之抵靠部％後 定位’可將套置有針頭蓋5之針座4自抵靠部32上的旋入 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注人藥瓶或人體身上，開 始慢慢回拉推桿1以進行加藥、或抽血等醫療操作（請參 閱圖十四所示）。 請參閱圖十四所示，此時圓管空間使已經充滿所 而市』’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插人結合。此時將針頭蓋5再次將針頭 4 2整個套住，即可將推桿1往外拉同時利用針頭蓋5下屡 連间針頭42整個推人注射筒3之内，再拉出針頭蓋5並反 向將D亥針碩盍5自抵靠部32插入至注射筒3之内，並將凸 伸於注射筒3之外的推桿桿體17自折斷凹環16予與折斷 11Please refer to Figure 6, Figure 10 and Figure 14. After the sleeve 2 is placed on the push rod 1, it is pushed! After the entire push to the abutment portion % of the syringe 3, the needle holder 4 that is sleeved with the needle cover 5 can be screwed in from the screw-in section 36 on the abutment portion 32, so that the needle holder 4 and the top of the connection sleeve 2 are screwed in. The sleeve 23 is sleeved and fixed, and the needle cover 5 can be pulled out, the needle 42 is injected into the medicine bottle or the human body, and the push rod 1 is slowly pulled back for medical operations such as dosing or blood drawing (please refer to the figure). Fourteen)). Please refer to Figure 14. At this time, the space of the tube is filled with the city's use of the needle 42 to inject the human body, and then slowly push the push rod i forward for medical operations such as injection until the medicine is finished. The connecting sleeve 2 is then inserted and joined by the pushing portion 13 of the push rod 1. At this time, the needle cover 5 is again placed over the needle 4 2, and the push rod 1 can be pulled outward while the needle cover 42 is used to push the entire syringe 3 and the needle cover 5 is pulled out. In the opposite direction, the D-needle stalk 5 is inserted into the syringe 3 from the abutting portion 32, and the pusher rod body 17 protruding from the outside of the syringe 3 is folded and broken from the concave ring 16
I M310003 (睛參閱圖十五所示）。 紅上所述，本案不但在空間型態上確屬創新，並能較 習用物品增進上述多項功效，應已充分符合新賴性及進步 性之法定創作專利要件’爰依法提出申請，懇言青貴局核 准本件創作專利申請案，以勵創作，至感德便。 【圖式簡單說明】 圖-為本創作具針座之安全注射器之立體分解示意 ，圖； 圖二為本創作部分剖面分解示意圖； 圖三為本創作之連接套與推桿結合示意圖； 圖四為本創作之連接套與推桿結合剖面示意圖（一）； 圖五為本創作之連接套與推桿結合剖面示意圖（二）； 圖六為本創作之針座置入注射筒之動作示意圖； . ®七為另-實施例之針座置人注射筒之動作示意圖； 圖八為另-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； 圖十為本創作之針座置入注射筒後之鎖緊動作示意 圖； 圖十一為本創作之針座置入注射筒後之鎖緊剖面示意 圖； 圖十二為本創作之注射筒之旋入段剖面示意圖； 圖十二為本創作之連接套剖面示意圖； 12 M310003I M310003 (see Figure 15 for the eye). As stated in the red, this case is not only innovative in terms of space type, but also can enhance the above-mentioned multiple functions compared with the customary items. It should have fully complied with the statutory creation patent requirements of new and progressive nature. You have approved the creation of a patent application for this article, in order to encourage creation, to the sense of virtue. [Simplified illustration of the diagram] Figure- is a three-dimensional exploded schematic diagram of the safety syringe with a needle holder; Figure 2 is a schematic exploded view of the part of the creation; Figure 3 is a schematic diagram of the connection sleeve and the push rod of the creation; The schematic diagram of the combination of the connection sleeve and the push rod of the creation (1); FIG. 5 is a schematic cross-sectional view of the connection sleeve and the push rod of the creation (2); FIG. 6 is a schematic view of the action of placing the needle holder into the injection cylinder; Fig. 8 is a schematic view showing the action of placing the syringe on the needle holder of the other embodiment; Fig. 8 is a schematic view showing the needle holder of the other embodiment to be placed in the syringe; and Fig. 9 is a needle insertion injection of another embodiment. Schematic diagram of the cylinder; Figure 10 is a schematic diagram of the locking action of the needle holder after the injection into the syringe; Figure 11 is a schematic diagram of the locking section of the needle holder after being placed in the syringe; Schematic diagram of the screw-in section of the syringe; Figure 12 is a schematic cross-sectional view of the connecting sleeve of the present invention; 12 M310003
座完全脫離之示意圖； 出/主射筒及推桿自折斷凹 圖十四為本創作之推桿與針 圖十五為本創作之推桿後拉 處作折斷分離之示意圖。 主要元件符號說明】 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 18推板 2連接套 21中孔 22錐孔 23頂套段 24階級段 25結合段 26凸肋 221卡掣凹緣 3注射筒 31圓管空間 37環凸部 3 8圓錐段 39板體 13 M310003Schematic diagram of the complete separation of the seat; the main/main shotgun and the push rod are self-folding and concave. Figure 14 is the push rod and the needle of the creation. Figure 15 is a schematic diagram of the break-up and separation of the push rod after the creation. Main component symbol description] 1 push rod 11 top boss 12 collar 13 push section 14 card 掣 convex ring 15 stop ring 16 broken concave ring 17 push rod body 18 push plate 2 connection sleeve 21 hole 22 cone hole 23 Jacking section 24 Class section 25 Bonding section 26 Rib rib 221 Carding recess 3 Injection cylinder 31 Round tube space 37 Ring projection 3 8 Conical section 39 Plate 13 M310003
32抵罪部 33定位凸環 34凸肋 35上凸環 36旋入段 4針座 41針頭 42固接部 43定位凸緣 5針頭蓋 51中空孔 52凸肋32 guilty part 33 positioning convex ring 34 rib 35 upper convex ring 36 screwing section 4 needle seat 41 needle 42 fixing part 43 positioning flange 5 needle cover 51 hollow hole 52 rib