TWI583422B - Needle safety device for injection needle - Google Patents
Needle safety device for injection needle Download PDFInfo
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- TWI583422B TWI583422B TW104144780A TW104144780A TWI583422B TW I583422 B TWI583422 B TW I583422B TW 104144780 A TW104144780 A TW 104144780A TW 104144780 A TW104144780 A TW 104144780A TW I583422 B TWI583422 B TW I583422B
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Description
本發明與注射針之安全保護有關，更詳而言之，是一種透過使用者之單一手指壓觸動作，將一護蓋罩覆於用過的針具之外部的護蓋式安全裝置。 The present invention relates to the safety of an injection needle, and more particularly to a cover type safety device that covers a cover of a used needle through a single finger pressing action of the user.
基於安全考量，使用後的注射針必需以安全裝置予以遮蔽，以避免針體與他人接觸或戳傷他人。安全裝置之設計和製造所面臨的問題包括：形狀、構造和作動方式按照注射針型態做個別的設計，目前未見「通用型」或同時適用兩種(或以上)不同注射針的安全裝置。安全裝置的形狀、構造過於複雜，以至於製造成本高，難以量產化。安全裝置過度擴大了注射針的體積和重量，恐怕影響醫護人員之持拿和操作。廢針回收是按重量和體積計費，過大過重的安全裝置增加醫療院所支付廢針回收之費用。為配合安全裝置而需修改注射針之針座的原始形狀，以至於在製造上更顯困難。 For safety reasons, the needle after use must be shielded with a safety device to prevent the needle from coming into contact with others or injuring others. The problems faced in the design and manufacture of safety devices include: the shape, construction and actuation mode are individually designed according to the type of needle. Currently, there is no "universal type" or two (or more) safety devices for different injection needles. . The shape and structure of the safety device are too complicated, so that the manufacturing cost is high and it is difficult to mass-produce. The safety device over-expands the volume and weight of the injection needle, which may affect the holding and operation of the medical staff. Waste needle recycling is billed by weight and volume. Oversized and heavy safety devices increase the cost of waste needle recycling from medical institutions. In order to cooperate with the safety device, it is necessary to modify the original shape of the needle seat of the injection needle, so that it is more difficult to manufacture.
本發明為解決上述之困難與問題提出一種注射針之護蓋式安全裝置。 The present invention provides a protective cover device for an injection needle in order to solve the above difficulties and problems.
本發明達成上述目的之技術特徵：一種注射針之護蓋式安全裝 置，包括：一第一扣座，包括一定位部以及連接於該定位部兩側的翼；該二翼各具有一扣合件；該第一扣座之定位部的外部具有一樞接部；一第二扣座，包括一定位部以及連接於該第二扣座之定位部兩側的翼，該第二扣座的翼各具有一扣合件；該第二扣座之該翼的頂端分別具有相對延伸的限位件；該第二扣座之扣合件可與該第一扣座之扣合件結合，使該第一扣座與該第二扣座相對夾制定位在一注射針之針座的外部；一護蓋，包括一背板、二分別連接於該背板兩側的側板、一連接於該背板頂面和該二側板頂面的頂板；該背板、側板及頂板構成該護蓋之一第一容置空間和一第二容置空間；該第一容置空間和該第二容置空間連通；該背板的底邊具有一圓軸，該二側板在接近該圓軸的部位設有分別向左、右延伸的二延伸臂，該二延伸臂的端部各再延伸一抱合臂，該二抱合臂彼此平行；該護蓋以該圓軸結合於該第一扣座之樞接部，該護蓋以該圓軸為圓心而於一第一位置和一第二位置之間往復擺動；該護蓋受一外部之推力可從該第一位置進入並卡制於一第三位置，且無法復回至該第一位置；該第二位置的護蓋以該二抱合臂抱住該注射針之針蓋；將該護蓋從第二位置往外擺動至該第一位置，該護蓋偏離該注射針之針蓋，從而可移除該針蓋並使用該針體注射；該針體使用後，一外部推力施加於該護蓋，使該護蓋從第一位置擺動至該第三位置，該第三位置之護蓋以該二抱合臂通過該第二扣座之限位件並且卡制於該限位件的下方，該護蓋以該第一容置空間和該第二容置空間容納該注射針之針體及針座。 The technical feature of the invention achieves the above object: a protective cover for an injection needle The first buckle base includes a positioning portion and wings connected to the two sides of the positioning portion; the two wings each have a fastening component; the outer portion of the positioning portion of the first fastening seat has a pivoting portion a second buckle seat includes a positioning portion and wings connected to the two sides of the positioning portion of the second buckle seat, the wings of the second buckle seat each have a fastening component; the second fastening seat of the wing The top end has a relatively extending limiting member; the fastening member of the second fastening seat is coupled with the fastening member of the first fastening seat, so that the first fastening seat and the second fastening seat are oppositely clamped and positioned An outer cover of the needle holder; a cover comprising a back plate, two side plates respectively connected to the two sides of the back plate, a top plate connected to the top surface of the back plate and the top surface of the two side plates; the back plate, The side plate and the top plate constitute a first accommodating space and a second accommodating space of the cover; the first accommodating space is in communication with the second accommodating space; the bottom edge of the back plate has a round shaft, and the two side plates Two extension arms extending to the left and right respectively are provided at a portion close to the circular shaft, and the ends of the two extension arms are each extended The arm is parallel to each other; the cover is coupled to the pivoting portion of the first buckle by the circular shaft, and the cover is centered on the circular axis between a first position and a second position Reciprocatingly swinging; the cover is accessible from the first position by an external thrust and is locked in a third position and cannot be returned to the first position; the cover of the second position is held by the two arms a needle cover of the injection needle; swinging the cover outward from the second position to the first position, the cover being offset from the needle cover of the injection needle, so that the needle cover can be removed and injected using the needle; After the needle is used, an external thrust is applied to the cover to swing the cover from the first position to the third position, and the cover of the third position passes the limit of the second buckle through the second buckle And a card is disposed under the limiting member, and the cover receives the needle body and the needle seat of the injection needle in the first accommodating space and the second accommodating space.
在實施例中，該第一扣座之扣合件為環狀件，該第二扣座之扣合件為可與該環狀件結合之凸出件。 In an embodiment, the fastening component of the first buckle seat is a ring member, and the fastening component of the second buckle seat is a protrusion member that can be combined with the ring member.
在實施例中，該第一扣座的定位部上端具有一凸簷，該針座在該第一扣座和該第二扣座以上的位置具有一擴徑的平台，該凸簷限止於該平台上。 In an embodiment, the upper end of the positioning portion of the first buckle has a protrusion, and the needle holder has an enlarged diameter platform at a position above the first buckle and the second buckle, and the protrusion is limited to the on the platform.
在實施例中，該第一扣座的定位部下端具有一凸簷，該針座的外壁具有數個平行於其軸心方向的凸肋，該凸肋延伸至該針座的底端，使該針座的底端緣形成數個向外凸出的卡制部；該第一扣座下端之凸緣限止於該卡制部下。 In an embodiment, the lower end of the positioning portion of the first buckle has a tenon, and the outer wall of the hub has a plurality of ribs parallel to the axial direction thereof, and the rib extends to the bottom end of the hub, so that The bottom end edge of the needle seat forms a plurality of outwardly protruding locking portions; the flange of the lower end of the first fastening seat is limited to the lower portion of the locking portion.
在實施例中，該第一扣座之定位部上端及下端之凸簷具有弧形端面。 In an embodiment, the upper end and the lower end of the positioning portion of the first buckle have an arcuate end surface.
在實施例中，該第一扣座和該第二扣座之定位部之相對面具有止滑結構。 In an embodiment, the opposite sides of the positioning portions of the first buckle seat and the second buckle seat have a slip-stop structure.
在實施例中，該護蓋之該二抱合臂的底部具有一斜面，該第二扣座之該限位件的頂面具有一導引該斜面往下移動之導引部，將該抱合臂導引至該限位件之下，使該護蓋進入該第三位置；該限位件的底面是一止擋部，該抱合臂進入該限位件以下，該止擋部擋止，該抱合臂無法反向脫離。 In an embodiment, the bottom of the two abutting arms of the cover has a slope, and the top cover of the second buckle has a guiding portion for guiding the inclined surface to move downward, and the supporting arm is Guided under the limiting member, the cover enters the third position; the bottom surface of the limiting member is a stopping portion, the engaging arm enters below the limiting member, and the stopping portion blocks The arm can't be reversed.
在實施例中，該護蓋之二側板相對該第二容置空間的內側面具有凸出的夾制肋。 In an embodiment, the two side panels of the cover have protruding clamping ribs with respect to the inner side of the second receiving space.
在實施例中，該護蓋之背板設有一推面。 In an embodiment, the back panel of the cover is provided with a push surface.
在實施例中，該第一扣座和該第二扣座之定位部之相對面具有 與該針座之橫斷面相同之幾何形狀。 In an embodiment, the opposite sides of the positioning portions of the first buckle seat and the second buckle seat have The same geometry as the cross section of the hub.
通過相對組合之第一扣座和第二扣座夾制於注射針之針座，使本發明容易安裝於注射針。 The invention is easy to mount to the injection needle by sandwiching the first and second buckles of the needle holder to the needle hub of the injection needle.
通過可擺動的護蓋，使該護蓋可按照情況而改變位置。在第二位置的護蓋，可以抱住一個未使用之注射針的針蓋，護蓋不會晃動，並且縮小無菌包裝袋的體積。可將該護蓋從第二位置擺動至第一位置，即可卸除針蓋使用針體進行注射。在第一位置的護蓋，不會阻礙注射動作之執行。可將護蓋從第一位置移至第三位置，罩蔽已使用之針體，防止針體戳傷他人。且在第三位置的護蓋無法復回至第一位置或第二位置，使用後之針體無任何顯露之風險。 The cover can be changed in position by the swingable cover. In the second position of the cover, the needle cover of an unused injection needle can be hung, the cover does not shake, and the volume of the aseptic package is reduced. The cover can be swung from the second position to the first position, so that the needle cover can be removed and the needle body can be used for injection. The cover in the first position does not hinder the execution of the injection action. The cover can be moved from the first position to the third position to cover the used needle body and prevent the needle from injuring others. And the cover in the third position cannot be returned to the first position or the second position, and the needle body after use has no risk of being exposed.
第一扣座和第二扣座通過兩者的扣合件相互結合而緊配於注射針之針座，扣合件為可相對結合但難以分離之型式，以確保第一扣座和第二扣座不會輕易脫離該針座，保持本發明安全裝置無脫離針座之虞。 The first buckle seat and the second buckle seat are combined with each other by a fastening member of the two to fit tightly to the needle seat of the injection needle, and the fastening component is a type that can be relatively combined but difficult to separate to ensure the first buckle seat and the second buckle seat. The buckle seat does not easily disengage from the needle seat, keeping the safety device of the present invention free of detachment from the needle seat.
通過該第一扣座之上端和下端的凸簷，將本發明之安全裝置更進一步限位在已知型式之留置針的平台和卡制部，使本發明之安全裝置無沿著該注射針之針座的軸線方向滑動之虞，更增加穩定性。 The safety device of the present invention is further restricted to the platform and the locking portion of the known type of indwelling needle by the tenons at the upper end and the lower end of the first buckle, so that the safety device of the present invention does not follow the injection needle The stability of the needle seat sliding in the axial direction increases stability.
該凸簷的弧形端面是為了使該凸簷得以迴避注射針之針座上可能干涉其定位的結構，使凸簷可以順利的限位在該平台上和該卡制部下。 The curved end face of the tenon is such that the tenon can avoid the positioning of the needle seat on the needle seat, so that the tenon can be smoothly restrained on the platform and under the locking portion.
通過該第一扣座和該第二扣座之定位部之相對面的止滑結構，增進該第一扣座和該第二扣座與該注射針之針座結合時的磨擦力和穩定性，避免彼此滑動之虞。 The frictional force and stability of the first buckle seat and the second buckle seat combined with the needle seat of the injection needle are improved by the anti-slip structure of the opposite sides of the positioning portions of the first buckle seat and the second buckle seat To avoid slipping each other.
該護蓋之該二抱合臂的底部之斜面以及該第二扣座之導引部，使該護蓋得以從第一位置或第二位置進入第三位置，該第二扣座之止擋部與該二抱合臂的限位關係，使進入該第三位置的護蓋被卡制，而無法再復回至第一位置或第二位置。 The inclined surface of the bottom of the two clasp arms of the cover and the guiding portion of the second buckle seat enable the cover to enter the third position from the first position or the second position, and the stop portion of the second buckle seat The limit relationship with the two arms is such that the cover entering the third position is locked and cannot be returned to the first position or the second position.
該護蓋之二側板的夾制肋得以夾制位於第二容置空間中的針體。 The ribs of the two side plates of the cover are clamped to the needle body located in the second accommodating space.
該護蓋之背板之推面，可供使用者以單指操作施加推力將該護蓋從第一位置推至第三位置。 The pushing surface of the back panel of the cover allows the user to push the cover from the first position to the third position by applying a thrust with a single finger operation.
該第一扣座和該第二扣座之定位部之相對面具有與該針座之橫斷面相同之幾何形狀，據以使該第一扣座和第二扣座可以安裝置於不同型式的注射針，且不必修改注射針之針座的原始形狀。 The opposite faces of the positioning portions of the first buckle seat and the second buckle seat have the same geometry as the cross section of the needle seat, so that the first buckle seat and the second buckle seat can be installed in different types. The needle is inserted without having to modify the original shape of the needle hub of the needle.
本發明之安全裝置可獨立製造，其生產線不合併在注射針之生產線。避免改動注射針之生產線所引起之各種問題和解決問題的成本。 The safety device of the present invention can be manufactured independently, and its production line is not incorporated into the production line of the injection needle. Avoid the problems caused by changing the production line of the injection needle and the cost of solving the problem.
本發明可應用於各種已知型式的注射針，例如留置針、蝴蝶針、附有針筒的注射針。 The present invention is applicable to injection needles of various known types, such as an indwelling needle, a butterfly needle, and an injection needle with a syringe.
5‧‧‧護蓋 5‧‧‧ Cover
6‧‧‧注射針 6‧‧‧Injection needle
10‧‧‧第一扣座 10‧‧‧First buckle seat
11‧‧‧定位部 11‧‧‧ Positioning Department
111‧‧‧內面 111‧‧‧ inside
112‧‧‧背面 112‧‧‧Back
12‧‧‧翼 12‧‧‧ wings
13‧‧‧凸簷 13‧‧‧檐
131‧‧‧弧形端面 131‧‧‧ curved end face
14‧‧‧凸簷 14‧‧‧檐
141‧‧‧弧形端面 141‧‧‧ curved end face
15‧‧‧樞接部 15‧‧‧ pivotal department
16‧‧‧扣合件 16‧‧‧Fittings
20‧‧‧第二扣座 20‧‧‧Second buckle
21‧‧‧定位部 21‧‧‧ Positioning Department
211‧‧‧內面 211‧‧‧ inside
22‧‧‧翼 22‧‧‧ wings
23‧‧‧限位件 23‧‧‧Limited parts
231‧‧‧導引部 231‧‧‧ Guidance Department
232‧‧‧止擋部 232‧‧‧stop
26‧‧‧扣合件 26‧‧‧Fittings
51‧‧‧背板 51‧‧‧ Backplane
511‧‧‧推面 511‧‧‧
52‧‧‧側板 52‧‧‧ side panels
53‧‧‧頂板 53‧‧‧ top board
54‧‧‧第一容置空間 54‧‧‧First accommodation space
55‧‧‧第二容置空間 55‧‧‧Second accommodation space
56‧‧‧夾制肋 56‧‧‧Clamping ribs
57‧‧‧圓軸 57‧‧‧ Round shaft
58‧‧‧延伸臂 58‧‧‧Extension arm
59‧‧‧抱合臂 59‧‧‧Binding arm
591‧‧‧斜面 591‧‧‧Bevel
60‧‧‧針座 60‧‧‧ needle seat
61‧‧‧固定部 61‧‧‧ Fixed Department
62‧‧‧針體 62‧‧‧ needle
63‧‧‧管接部 63‧‧‧Tube
64‧‧‧套管 64‧‧‧ casing
65‧‧‧平台 65‧‧‧ platform
66‧‧‧凸肋 66‧‧‧ ribs
67‧‧‧卡制部 67‧‧‧Card Department
68‧‧‧針蓋 68‧‧‧ needle cover
681‧‧‧開口 681‧‧‧ openings
P1‧‧‧第一位置 P1‧‧‧ first position
P2‧‧‧第二位置 P2‧‧‧ second position
P3‧‧‧第三位置 P3‧‧‧ third position
第一圖為本發明安全裝置之立體分解圖。 The first figure is an exploded perspective view of the safety device of the present invention.
第二圖為本發明安全裝置之第一扣座和第二扣座組合外觀及護蓋之分解圖。 The second figure is an exploded view of the combination of the first buckle seat and the second buckle seat of the safety device of the present invention and the cover.
第三圖為本發明安全裝置之組合側視圖之一。 The third figure is one of the combined side views of the safety device of the present invention.
第四圖為本發明安全裝置之組合側視圖之二。 The fourth figure is the second side view of the combination of the safety devices of the present invention.
第五圖為本發明安全裝置所配合使用之注射針及針蓋之外觀圖。 The fifth figure is an external view of the injection needle and the needle cover used in conjunction with the safety device of the present invention.
第六圖為本發明安全裝置之第一扣座和第二扣座與注射針及針蓋之組合外觀圖。 The sixth figure is a combination view of the first buckle seat and the second buckle seat of the safety device of the present invention and the injection needle and the needle cover.
第七圖為本發明安全裝置與注射針及針蓋之結合側視圖。 The seventh figure is a side view of the combination of the safety device of the present invention and the injection needle and the needle cover.
第八圖為本發明安全裝置與注射針結合之側視圖。 The eighth figure is a side view of the safety device of the present invention in combination with an injection needle.
第九圖為本發明安全裝置保護及遮蔽使用後之注射針之側視圖。 The ninth figure is a side view of the injection needle after the safety device of the present invention is protected and shielded.
第十圖為第九圖之箭頭X方向之視圖。 The tenth figure is a view of the arrow X direction of the ninth figure.
為便於說明上述發明內容一欄中所表示的中心思想，茲以具體實施例表達。實施例中各種不同物件係按適於說明之比例、尺寸、變形量或位移量而描繪，而非按實際元件的比例予以繪製。本發明關於上、下、左、右、、內、外等方向性用語是依據圖式的方向所做的描述，為相對性的方向描述，非絕對性的方向描述，合先敘明。 The central idea expressed in the column of the above summary of the invention is expressed by way of specific examples. Various items in the embodiments are depicted in terms of ratios, dimensions, amounts of deformation, or displacements that are suitable for illustration, and are not drawn to scale of actual components. The directional terms of the present invention, such as upper, lower, left, right, inner and outer, are descriptions according to the direction of the schema, and are descriptions of relative directions, non-absolute orientation descriptions, and first descriptions.
如第一、二圖，本發明注射針之護蓋式安全裝置，包括：可相對結合的一第一扣座10和一第二扣座20，以及連接於該第一扣座10之護蓋5。該第一扣座10、第二扣座20和護蓋5均為塑膠材料製成。 As shown in the first and second figures, the protective cover device for the injection needle of the present invention comprises: a first buckle seat 10 and a second buckle seat 20 which are relatively coupled, and a cover connected to the first buckle seat 10 5. The first buckle seat 10, the second buckle seat 20 and the cover 5 are made of plastic material.
該第一扣座10包括一呈板片狀的定位部11以及正交連接於定位部11兩側的翼12。該二翼12各具有一扣合件16，該扣合件16是環狀件。該定位部11的上下兩端各具有一朝向該第二扣座20凸出的凸簷13,14，該凸簷13,14具有弧形端面131,141。該定位部11相對該第二扣座20的面為內面111，相異的面為背面112。該內面111具有止滑結構，該止滑結構可為分佈的凸點或細肋。該背面112具有一樞接部15，該樞接部15是一對可接收一圓軸且使 該圓軸可自由轉動的結構。 The first buckle base 10 includes a plate-shaped positioning portion 11 and wings 12 orthogonally connected to both sides of the positioning portion 11. The two wings 12 each have a fastening member 16, and the fastening member 16 is a ring member. The upper and lower ends of the positioning portion 11 each have a tenon 13 , 14 protruding toward the second buckle 20 , and the tenons 13 , 14 have curved end faces 131 , 141 . The surface of the positioning portion 11 with respect to the second buckle 20 is the inner surface 111, and the different surface is the back surface 112. The inner surface 111 has a non-slip structure, which may be a distributed bump or rib. The back surface 112 has a pivoting portion 15 that is a pair that can receive a circular shaft and The circular shaft is freely rotatable.
該第二扣座20包括一呈板片狀的定位部21以及正交連接於該定位部21之兩側的翼22。該二翼22各具有一扣合件26，該扣合件26為一種可與上述環狀之扣合件16相對結合但難以分離的凸出件。該二翼22的頂端分別具有相對延伸的限位件23，該限位件23的頂面具有一導引部231，該導引部231是將與之接觸之物件往該第二座體20之內部導引的斜面；該限位件23的底面是一止擋部232，該止擋部232是限止與之接觸的物件往上脫離的平面。該定位部21相對該第一扣座10的面為內面211，該內面211具有止滑結構，該止滑結構可為分佈的凸點或細肋。 The second buckle seat 20 includes a plate-shaped positioning portion 21 and wings 22 orthogonally connected to both sides of the positioning portion 21. The two wings 22 each have a fastening member 26, and the fastening member 26 is a protruding member that can be coupled to the annular fastening member 16 but is difficult to separate. The top ends of the two wings 22 respectively have oppositely extending limiting members 23, and the top surface of the limiting member 23 has a guiding portion 231, and the guiding portion 231 is an object to be in contact with the second housing 20 The inner guiding inclined surface; the bottom surface of the limiting member 23 is a stopping portion 232, which is a plane that limits the upward contact of the object in contact therewith. The surface of the positioning portion 21 relative to the first buckle 10 is an inner surface 211. The inner surface 211 has a non-slip structure, and the anti-slip structure may be a distributed bump or a thin rib.
在原始的狀態下，該第一扣座10和第二扣座20是獨立的兩個部件(如第一圖)，但該第一扣座10和該第二扣座20可以相對結合(如第二圖)，該第二扣座20位於該第一扣座10的二翼12之間，該第一扣座10的二翼12的內側面接觸該第二扣座20之二翼22的外側面，兩者的扣合件16,26彼此扣合；該第一扣座10和該第二扣座20之定位部11,21之間有一相對距離。 In the original state, the first buckle seat 10 and the second buckle seat 20 are two separate components (such as the first figure), but the first buckle seat 10 and the second buckle seat 20 can be relatively combined (eg, The second buckle 20 is located between the two wings 12 of the first buckle 10, and the inner side of the two wings 12 of the first buckle 10 contacts the two wings 22 of the second buckle 20 The outer side surface, the fastening members 16, 26 of the two are fastened to each other; and the first fastening seat 10 and the positioning portion 11, 21 of the second fastening seat 20 have a relative distance therebetween.
該護蓋5，包括：一背板51；二分別連接於該背板51兩側的側板52；連接於該背板51頂面和二側板52頂面的頂板53。按照該背板51、側板52、以及頂板53的幾何形狀和尺寸，構成該護蓋5之第一容置空間54和第二容置空間55，兩個容置空間54,55連通，第二容置空間55較第一容置空間55窄。該二側板52相對該第二容置空間55的內側面具有凸出的夾制肋56。該背板51的底端具有一圓軸57。該二側板52在接近該圓軸57的部位設有分別向左、右延伸的二延伸臂58，該二延伸臂58的端部各再延伸一抱合臂59，該二抱合臂59彼此平行；該二抱合臂59之外距(外側面的相對距離)相當於該 第二扣座20之二翼22的內距(內側面的相對距離)。該二抱合臂59的外側面底部具有一斜面591。該背板51接近該圓軸57的部位設有一推面511。 The cover 5 includes: a back plate 51; two side plates 52 respectively connected to the two sides of the back plate 51; and a top plate 53 connected to the top surface of the back plate 51 and the top surface of the two side plates 52. According to the geometry and size of the back plate 51, the side plate 52, and the top plate 53, the first accommodating space 54 and the second accommodating space 55 of the cover 5 are formed, and the two accommodating spaces 54, 55 are connected, and the second The accommodating space 55 is narrower than the first accommodating space 55. The two side plates 52 have protruding ribs 56 protruding from the inner side surface of the second accommodating space 55. The bottom end of the back plate 51 has a circular shaft 57. The two side plates 52 are provided with two extending arms 58 extending to the left and right respectively at positions close to the circular shaft 57. The ends of the two extending arms 58 each extend a clasp arm 59, and the two clasp arms 59 are parallel to each other; The outer distance of the two clasp arms 59 (the relative distance of the outer side surface) is equivalent to the The inner distance of the two wings 22 of the second buckle seat 20 (the relative distance of the inner side faces). The bottom surface of the outer side of the two clasp arms 59 has a slope 591. A pushing surface 511 is disposed at a portion of the back plate 51 close to the circular shaft 57.
如第三圖，該護蓋5以圓軸57結合於該第一扣座10之樞接部15，該護蓋5得以該圓軸57為圓心而於一第一位置P1和一第二位置P2之間往復擺動。 As shown in the third figure, the cover 5 is coupled to the pivoting portion 15 of the first buckle 10 by a circular shaft 57. The cover 5 is centered on the circular shaft 57 at a first position P1 and a second position. P2 swings back and forth.
如第四圖，該護蓋5受一外部之推力時可從該第一位置P1(或第二位P2)進入並卡制於一第三位置P3。亦即施一推力於該護蓋5之推面511，使該護蓋5以該圓軸57為圓心，從第一位置P1(或第二位置P2)更進一步向第一扣座10和第二扣座20的方向擺動，同時該抱合臂59因該推力往下壓，該抱合臂59的斜面591通過該限位件23之導引部231之導引作用，且藉由該抱合臂59對限位件23的推擠力，使抱合臂59可相對稍微內收，該限位件23可相對稍微外張，因此抱合臂59可以通過該限位件23至該限位件23之下，該護蓋5進入第三位置P3。如第九圖，該抱合臂59一旦卡制在該限位件23之下，通過該止擋部232的擋止，該抱合臂59即無法反向脫離該第二扣座20，該護蓋5無法再做任何的擺動，該護蓋5無法從第三位置P3復回至該第一位置P1或第二位置P2。 As shown in the fourth figure, the cover 5 can be accessed from the first position P1 (or the second position P2) and clamped to a third position P3 when subjected to an external thrust. That is, a thrust is applied to the pushing surface 511 of the cover 5, so that the cover 5 is centered on the circular shaft 57, and further from the first position P1 (or the second position P2) to the first buckle 10 and the first The direction of the two buckles 20 is oscillated, and the abutment arm 59 is pressed downward by the thrust. The inclined surface 591 of the abutment arm 59 is guided by the guiding portion 231 of the limiting member 23, and by the abutting arm 59 The pushing force of the limiting member 23 allows the abutting arm 59 to be relatively slightly retracted, and the limiting member 23 can be relatively slightly extended, so that the engaging arm 59 can pass the limiting member 23 to the lowering member 23 The cover 5 enters the third position P3. As shown in the ninth figure, the clasp arm 59 is locked under the limiting member 23, and the retaining arm 59 cannot be disengaged from the second retaining seat 20 by the stopping of the stopping portion 232. 5 No further swinging is possible, and the cover 5 cannot be returned from the third position P3 to the first position P1 or the second position P2.
如第五圖。注射針6為一種已知的醫療用留置針。該注射針6具有一針座60，該針座60包括用以固接一針體62的固定部61，以及用以套接一套管64的管接部63，該套管64用以套連一靜脈注射的輸液管(圖未示)。靜脈輸液通過該管接部63從該針體62輸出。該固定部61和該管接部63之間具有一外徑較大的平台65。該管接部63的外壁具有數條平行於軸心方向的凸肋66，該凸肋66的一端接續於該平台65，另一端延伸至該管接部63的盡端， 從而使該管接部63的盡端具有數個放射狀向外凸出的卡制部67。一長圓筒狀的塑膠製針蓋68，套連在該平台65的外部，並且遮蔽了該固定部61和針體62，該針蓋68具有一開口681。 As shown in the fifth picture. The injection needle 6 is a known medical indwelling needle. The needle 6 has a needle holder 60. The needle holder 60 includes a fixing portion 61 for fixing a needle body 62, and a tube portion 63 for sleeved with a sleeve 64. The sleeve 64 is sleeved. An intravenous infusion tube (not shown). The intravenous infusion is output from the needle body 62 through the tube joint 63. The fixing portion 61 and the pipe joint portion 63 have a platform 65 having a large outer diameter. The outer wall of the pipe joint 63 has a plurality of ribs 66 parallel to the axial direction. One end of the rib 66 is connected to the platform 65, and the other end extends to the end of the pipe joint 63. Thereby, the end of the pipe joint 63 has a plurality of radially outwardly projecting portions 67. A long cylindrical plastic needle cover 68 is attached to the outside of the platform 65 and shields the fixing portion 61 and the needle body 62. The needle cover 68 has an opening 681.
如第五、六圖，該第一扣座10和第二扣座20是獨立的兩個部件，它們分別相對該管接部63，然後相對結合如同第二圖那樣，進而將該管接部63緊緊的夾制在第一扣座10和第二扣座20之間。通過該第一扣座10和第二扣座20之內面111,211的止滑結構，使該第一扣座10和第二扣座20緊配於該管接部63。除此之外，該第一扣座10上位的凸簷13通過該針蓋68的開口681而得以接觸並限止於該平台65上，該第一扣座10下位的凸簷14限止於該管接部63的卡制部67下，使該第一扣座10和第二扣座20完全無上、下滑動之虞。第一扣座10和第二扣座20被緊合在該針座60的管接部63外。該第二扣座20的限位件23位於該平台65以下的位置。如第七圖，該護蓋5可以在第一位置P1和第二位置P2之間擺動，但較佳的是，在第二位置P2的護蓋5以該二抱合臂59抱住該塑膠製的針蓋68。通過塑膠材料的摩擦力足以限制該護蓋5不致輕易向外翻而脫離該針蓋68。 As shown in the fifth and sixth figures, the first buckle seat 10 and the second buckle seat 20 are two independent components which are respectively opposed to the pipe joint portion 63, and then are combined with each other as in the second figure, and the pipe joint portion is further 63 is tightly sandwiched between the first buckle seat 10 and the second buckle seat 20. The first buckle seat 10 and the second buckle seat 20 are tightly fitted to the pipe joint portion 63 by the anti-slip structure of the inner faces 111, 211 of the first buckle seat 10 and the second buckle seat 20. In addition, the tenon 13 of the first buckle seat 10 is contacted by the opening 681 of the needle cover 68 and is limited to the platform 65. The lower flange 14 of the first buckle seat 10 is limited to the tube. Under the locking portion 67 of the connecting portion 63, the first buckle base 10 and the second buckle seat 20 are completely free from the upper and lower sliding. The first buckle seat 10 and the second buckle seat 20 are tightly fitted outside the pipe joint portion 63 of the needle holder 60. The limiting member 23 of the second buckle seat 20 is located below the platform 65. As shown in the seventh figure, the cover 5 can swing between the first position P1 and the second position P2, but preferably, the cover 5 in the second position P2 is hung by the two holding arms 59. Needle cover 68. The friction by the plastic material is sufficient to limit the cover 5 from being easily turned outwards to disengage the needle cover 68.
如第八圖，欲進行注射時，施一輕微的力量使護蓋5的抱合臂59脫離該針蓋68，使護蓋5位於第一位置P1，卸除針蓋68，即可以該針體62進行注射。基於該第一扣座10和第二扣座20是扁平的結構，因此醫護人員可以穩定的持拿住該第一扣座10和第二扣座20執行注射；並且，位於第一位置的護蓋5不會阻礙注射之執行。 As shown in the eighth figure, when the injection is to be performed, a slight force is applied to disengage the clasp arm 59 of the cover 5 from the needle cover 68, so that the cover 5 is at the first position P1, and the needle cover 68 is removed. 62 for injection. Based on the fact that the first buckle seat 10 and the second buckle seat 20 are of a flat structure, the medical staff can stably hold the first buckle base 10 and the second buckle seat 20 to perform an injection; and, the protection in the first position The cover 5 does not hinder the execution of the injection.
如第九、十圖，使用後，以持拿該針器的手的食指觸壓該推面511，將該護蓋5往針體62的方向壓，使該抱合臂59受壓通過該斜面591及導 引部231的導引作用，將該抱合臂59導引至該第二扣座20的限位件23之下，該護蓋5呈直立的與該第一扣座10連接，並且以該第一容置空間54容納該平台65、固定部61，以該第二容置空間55容納該針體62，該側板52通過該夾制肋56夾住該針體62。至此，該護蓋5已將使用後的針體62完全的保護遮蔽。且如第七圖和前面所述關於該止擋部232擋止該抱合臂59，使護蓋5無法從第三位置P3復回至第一位置P1或第二位置P2，該針體62將被該該護蓋5遮蔽而無顯露之虞。 As shown in the ninth and tenth figures, after use, the push surface 511 is pressed by the index finger of the hand holding the needle device, and the cover 5 is pressed in the direction of the needle body 62, so that the abutment arm 59 is pressed through the inclined surface. 591 and guide Guided by the guiding portion 231, the clasping arm 59 is guided under the limiting member 23 of the second buckle 20, and the cover 5 is connected to the first buckle 10 in an upright position, and An accommodating space 54 accommodates the platform 65 and the fixing portion 61. The second accommodating space 55 accommodates the needle body 62. The side plate 52 clamps the needle body 62 through the clamping rib 56. So far, the cover 5 has completely shielded the needle body 62 after use. And as the seventh figure and the foregoing description about the stop portion 232 blocking the clasp arm 59, so that the cover 5 cannot be returned from the third position P3 to the first position P1 or the second position P2, the needle body 62 will It is covered by the cover 5 without revealing flaws.
以上圖例是將本發明組裝在已知的留置針上，但並不僅限於此，本發明可以組裝在其他已知型式的注射針上，例如蝴蝶針、附有針筒的注射針；只要按照注射針之針座的橫斷面形狀，將本發明之該第一扣座10和該第二扣座20之定位部11,21之內面111,211設計為可容納該橫斷面之幾何形狀即可。 The above illustration is to assemble the present invention on a known indwelling needle, but it is not limited thereto. The present invention can be assembled on other known types of injection needles, such as a butterfly needle, an injection needle with a syringe; The cross-sectional shape of the needle seat of the needle is designed to accommodate the geometry of the cross section of the first buckle 10 and the positioning portions 11 and 21 of the second buckle 20 of the present invention. .
5‧‧‧護蓋 5‧‧‧ Cover
10‧‧‧第一扣座 10‧‧‧First buckle seat
11‧‧‧定位部 11‧‧‧ Positioning Department
111‧‧‧內面 111‧‧‧ inside
112‧‧‧背面 112‧‧‧Back
12‧‧‧翼 12‧‧‧ wings
13‧‧‧凸簷 13‧‧‧檐
131‧‧‧弧形端面 131‧‧‧ curved end face
14‧‧‧凸簷 14‧‧‧檐
141‧‧‧弧形端面 141‧‧‧ curved end face
15‧‧‧樞接部 15‧‧‧ pivotal department
16‧‧‧扣合件 16‧‧‧Fittings
20‧‧‧第二扣座 20‧‧‧Second buckle
21‧‧‧定位部 21‧‧‧ Positioning Department
211‧‧‧內面 211‧‧‧ inside
22‧‧‧翼 22‧‧‧ wings
23‧‧‧限位件 23‧‧‧Limited parts
231‧‧‧導引部 231‧‧‧ Guidance Department
232‧‧‧止擋部 232‧‧‧stop
26‧‧‧扣合件 26‧‧‧Fittings
51‧‧‧背板 51‧‧‧ Backplane
511‧‧‧推面 511‧‧‧
52‧‧‧側板 52‧‧‧ side panels
53‧‧‧頂板 53‧‧‧ top board
54‧‧‧第一容置空間 54‧‧‧First accommodation space
55‧‧‧第二容置空間 55‧‧‧Second accommodation space
56‧‧‧夾制肋 56‧‧‧Clamping ribs
57‧‧‧圓軸 57‧‧‧ Round shaft
58‧‧‧延伸臂 58‧‧‧Extension arm
59‧‧‧抱合臂 59‧‧‧Binding arm
591‧‧‧斜面 591‧‧‧Bevel
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104144780A TWI583422B (en) | 2015-12-31 | 2015-12-31 | Needle safety device for injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104144780A TWI583422B (en) | 2015-12-31 | 2015-12-31 | Needle safety device for injection needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI583422B true TWI583422B (en) | 2017-05-21 |
| TW201722496A TW201722496A (en) | 2017-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104144780A TWI583422B (en) | 2015-12-31 | 2015-12-31 | Needle safety device for injection needle |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI583422B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7316668B2 (en) * | 2002-03-20 | 2008-01-08 | Becton, Dickinson And Company | Needle shield assembly |
| CN103338803A (en) * | 2011-02-14 | 2013-10-02 | 泰尔茂株式会社 | Safety needle assembly |
| TWM504606U (en) * | 2014-09-17 | 2015-07-11 | Hsien-Tsung Wang | Safety protective syringe |
-
2015
- 2015-12-31 TW TW104144780A patent/TWI583422B/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7316668B2 (en) * | 2002-03-20 | 2008-01-08 | Becton, Dickinson And Company | Needle shield assembly |
| CN103338803A (en) * | 2011-02-14 | 2013-10-02 | 泰尔茂株式会社 | Safety needle assembly |
| TWM504606U (en) * | 2014-09-17 | 2015-07-11 | Hsien-Tsung Wang | Safety protective syringe |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201722496A (en) | 2017-07-01 |
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