TWM255030U - Safety syringe - Google Patents

Description

M255030

V. Creation description (1) [Technical field to which the new type belongs] The creation department is a kind of safety injection syringe, especially a disposable syringe with protective sleeve design in the technical field of medical equipment. [Prior art] According to the invention patent of US Patent No. 4,772,272 "Injection Needle Protective Sleeve (NEEDLE PROTECTIVE SLEEVE)", a protective sleeve (prOtecti ve) which can be slid on the syringe and positioned at different positions

The sleeve 10) is designed to avoid the danger of infection due to needle sticks. However, the aforementioned "Injection Needle Protective Cover" US Invention Patent No. 4,772, 272 mentioned above, although the design of the protective cover is very good, but because it is designed to match the special stainless steel injection in medical equipment This kind of stainless steel syringe is usually expensive to use, so it is usually reused after sterilization. Once the sterilization is not complete, the patient may be infected.

In addition, as shown in FIG. 10, when the stainless steel syringe (B) is filled with the medicine tube (I), the push rod at the end of the stainless steel syringe (B) is pulled down to make the end of the syringe An inlet (P) is exposed, and the medicine tube (I) is filled into the injection cylinder (B) from the rear inlet (P) to change the different injection medicine (I). Therefore, it seems to be relatively easy to replace the medicine. trouble.

M255030 V. Creation instructions (2) [New content] In view of this, the creator has created a kind of safety injection syringe, including a syringe body, through continuous experiments and good practices. Type 2 is finally modified, a push rod and a protective sleeve. Among them, a needle, the body of the syringe barrel, a receiving hole, and the other end of the "putting rod guide hole" forms a connection: For freely known, an internal screw hole is recessed. The internal screw hole communicates with the perforation and the connecting part, and the body of the syringe body side tube. One or two set holes are connected to the filling hole and connected to the receiving hole. Make the medicine === groove 'The side of the medicine filling tank "= side cylinder body shape two it, :::: the cylinder body is located in the medicine skirt filling = body; =; the end system can be embedded by the pusher guide hole of the syringe body To the needle of the syringe; the -end of the body of the syringe protrudes-the puncture needle, and the needle protrudes at the position of the puncture needle-Note: The head body rests on the inside of the puncture needle to form a small perforation, i The needle is near the end of the puncture needle: it; Γ Shengka! And an oblique projection, and the screw of the screw hole in the joint part of the needle body: then a has another screw that can be screwed to the body of the syringe body; the protective sleeve is at one end of the protective sleeve and the inner diameter of the hole Slightly larger than the diameter of the syringe body, the inner hole, the protection = ί can be placed on the needle body and the opening of the syringe body ° are the positions of the inner holes relative to the guide projections of the needle body 373-OOlTWU.ptd 5 pages of M255030 five creation instructions ⑶ —----- place ~, recessed to allow the head body to guide the guide block through the groove, and hum f corresponding to the relative position of the needle body oblique protrusion, then wear & lt Second ;; 4 # slot, so that when the protective sleeve is placed on the body of the needle, to position; Second: The block is inserted to form the positioning, and the protective sleeve is in order ^ μ ^ ^ On the other side of the groove, a protective sleeve can be placed on the needle, m 1 + basket, corresponding to the elastic buckle of the elastic block, and the protective sleeve is different from the opening of the inner hole. The needle body is shrunk to form a needle hole through which the injection needle of the needle body can pass. In particular, the screwing part of the needle body is attached to the needle. Present on the periphery of the lancet end, two protruding projections spiro ugly sin, spaced 180 degrees, whereby the two spiral projections may form the Langevin ^^ screw holes. Tie into the body of the needle and connect it with one of the δ-xuan needle body with thorn needle, ^ -r 44- ΑΑ- Tie S, and then form a screwable end of a custom stainless steel injection cylinder to form a screw thread /, where The syringe body is made of plastic. μ Among them, the guiding protrusions of the needle body are symmetrically distributed at 180 degrees. U and two guides, the position of the elastic block of the needle body and the oblique projection is elastic and convex: Γ is placed in the staggered guide convex 'the oblique projection of the needle body is on the other side, And towards the thorn needle towards the female son-in-law ky I with respect to the asexual block, the wound side formed an oblique protrusion. The precise copy has the following advantages: First, the creation of the medicine filling tank can fill the households from the medicine filling tank, which has the advantage of making the medicine tube directly stabbed by the needle due to careless operation. Easy to load

V. Creation instructions (4) 2. The syringe used in this creation can be made of plastic J: Discarded ′ does not need to be repeatedly disinfected and used, which has the advantage of eliminating diseases caused by direct use. / Xiao Shi was inadvertently infected. The needle body of this work can be used to treat the field ^ f, so the needle of this work is to discuss the simultaneous injection of the cylinder and the conventional stainless steel syringe. ; The plastic needle of this creation is to make the purpose, effect and characteristics of this creation. The preferred embodiment of this creation is supplemented by detailed illustrations such as; to understand, hereby [implementation] First, please refer to Figure 3 for cooperation. Eight of this creation: Essentials: Pharmacy tube (50), a syringe body (10), a king pushing the main rod shooting needle :: (= (3 °) and a protective sleeve (40), medium , F music agent officer (50), are now all specifications, the diameter of the standard round tube in the form of medicine: the closed end (51) closed by the quality, the other end can be formed in the music agent tube (50) longitudinal movement The piston (52), the medicament tube piston (52) and the closed end (51) contain the injection medicament. The syringe body (10) is a long cylindrical body and can be a plastic product, The syringe body (10) has an accommodating hole (11) (not shown in Figs. 2 and 3); an end of one end of the syringe body (10) penetrates a diameter smaller than the receiving hole (11). ) And the pusher guide hole (12) that communicates with the accommodation hole (11); the other end of the syringe body (1 0) forms a connecting portion (丨 3), and the connecting portion (丨 3) is free Recessed The holes (14), the threaded holes (14) formed inside and a through hole (15) and the syringe body (1〇) accommodating holes (11) formed in communication;

M255030 5. Creation instructions (5) On at least one side of the barrel body (1 0), a medicine filling groove (16) is formed, and the medicine filling groove (16) and the syringe body (10) The accommodating holes (11) communicate with each other, and the width of the medicine filling tank (16) is slightly smaller than the diameter of the medicine tube (j0), and the length of the medicine filling tank (16) is slightly larger than the medicine f (50) length, and since the syringe body (10) is made of plastic, and the agent filling groove (16) is located at the center of the barrel of the syringe body (丨 〇), the medicine is filled. Both sides of the groove (16) form a slightly elastic state, so that when the user fills the medicine tube (50), the medicine tube (50) can be pressed by external force.

The filling slot (16) is inserted into the accommodation hole (π) for accommodation and positioning, as shown by the dotted arrow in FIG. 2. The push rod (20) is a long rod body. The first push rod of the push rod (20) has a handle portion 22 at one end, and the second end thereof forms a diameter slightly smaller than that of the drug tube (50). ) The pushing end (2 1) of the piston (5 2), and the other end is formed into a push handle (2 2) (as shown in Fig. 2) which is convenient for users to hold or push.

The needle body (30) (as shown in Figs. 2B and 2C) is a short cylinder. One end of the needle body (30) facing the syringe body (10) is recessed to form an internal screw hole (30). 0), the internal screw hole (300) can be screwed with the end thread (B1) of a conventional stainless steel injection cylinder (B) (as shown in FIG. 9), and the internal screw hole (j00) In the inner center, a puncture needle (3 丨) that can pierce the end face of the closed end (5 1) of the drug tube (50) is protruded toward the opening of the inner screw hole (300) (as shown in Fig. 2 β, 2 c). (Shown), and at the position of the other end of the needle body (30) relative to the puncture needle (3 丨), an injection needle (32) is protruded, and a needle protection tube is sleeved on the injection needle (32). (320), and make the injection needle (32) communicate with the inside of the puncture needle (31) with a small perforation (because the small perforation is too small, and it is one of the conventional injection needles)

373-OOlTWU.ptd Page 8 M255030

V. Creation description (6) Design concept, so it is not drawn separately in the drawing); and the distribution of the needle body (30) near the injection needle (32) end forms at least one or more guide protrusions 1 soil protrusion and 1钭 Λ 抡 mo · # 丄 守 1 convex block (33), one-off card block (34) •-# and right ", among the preferred embodiments mentioned in this specification, is a way to open the road with two guides The convex block (33), and two guiding convexes: the implementation of the symmetrical distribution of the degree (as shown in Figure 26); the elastic card is different from the guiding convex block (33) and the oblique convex block (35 ) Position; as for the oblique projection (35), it protrudes obliquely toward the outside of the two-headed body (30) in the direction of the lancet (as shown in Figure 2A-2B).-There is a needle body (3 ° ) Close to the peripheral side of the end of the lancet (31), then the cicada a mouth [K36] (which is shown in FIG. 2B) that is 0 in the screw hole (14) of the syringe body (10) joint (13), Where the person f — tired f convex = on the peripheral side of the needle body (30) near the two ends of the lancet (3 :): Shi Yan is distributed at a 180-degree interval. The inner screw hole (1) of the connecting part (1 3) of the syringe body (10) .3; =: η Shuo body (3 °) can be screwed onto the connecting part (13) of the syringe body ⑽ (as shown in Figure 2). Cutting 4 holes (4ΐΠ 套 Ϊ (4〇) 系It is a long tube body, and the protective sleeve (40) is larger than the diameter of the syringe body (10), and the protective sleeve 4 is formed with an inner hole 端 at the end to make the protective sleeve (40) 内 孔 矣 罾 ^ 笛 ^ The combination of the needle body (30) and the front end of the syringe body (10) is formed as shown in (2), the inner hole (41) of the protective sleeve (40) is opposite to Ten positions of each guide projection (33) of the needle body (30)

373-OOlTWU.ptd Page 9 M255030

The head body \ 3〇) guide bow 丨 the guide groove (42) in which the projection (33) is embedded, wherein each guide groove (42) is longitudinally extended inward from the opening side of the inner hole (41) of the protective sleeve (40) (As shown in FIG. 2A); and, where the protective sleeve (40) corresponds to the relative position of the oblique projection (35) of the needle body (30), a positioning groove (43) is inserted (as shown in FIG. 2) (As shown in Figures 3 and 3), so that when the protective sleeve (40) sets the needle body (30), the positioning groove (43) is used for the oblique projection (3 5) to be inserted into the positioning. The protective sleeve (40) is equivalent to the other side of the positioning groove (43), and is provided with an elastic buckle (44) (such as the second and second) 3); In addition, at the other end of the guarantee tube (40), the neck is narrowed to form a puncture hole (45) (for example, section 2A) through which only the needle protection tube (320) can pass. -2C picture). Therefore, when the safety injection syringe of this creation is assembled (as shown in Figs. 2 and 3), the screwing part (36) of the needle body (30) and the syringe body (10) are connected (13) The inner screw hole (14) forms a screw connection (as shown in FIG. 2C) 'and is sleeved on the needle body (30) with one of the openings of the inner hole (41) of the protective sleeve (40) and On the syringe body (10), the guide groove (42) of the inner hole (41) of the protective sleeve (40) is sleeved on the guide protrusion (33) of the needle body (30), and After the sleeve is set, the positioning groove (43) and the elastic buckle (44) on the protective sleeve (40) are locked on the oblique projection (35) and the elastic clamping block (3 4) on the needle body (30). 'As a result, the protective sleeve (40) can be sleeved and positioned on the needle body (30) and the syringe body (10), thereby avoiding the danger of the user being punctured by the injection needle (32). When the creation is intended for injection (as shown in Figures 4-7), the medicine tube (50) is strongly inserted into the container by the medicine filling groove (16) of the syringe body (10).

373-OOlTWU.ptd Page 10 M255030 V. Creation instructions (8) In the hole (11) (as shown in Figure 4), then push the push handle (22) of the push rod (20), using the push rod ( The pushing end (20) of 20) pushes the medicine tube (50) to move and closes the closed end (5 1) against the sleeve of the syringe body (j 〇). It is connected to the inner screw hole (丨 5), and at the same time, the needle body ⑼) of the needle body ⑼) punctures the closed end ⑸ of the drug tube (50) and comes into contact with the medicine (as shown in Figure 5). No). . Then, the user presses the protective sleeve "(Π 上 μ 碍 n (44) (such as Shutosuoyi f \ U〇 in the middle part of Fig. 6) with his hand). The elastic buckle (34) of the sleeve (40) is released from the clamping state, and then the user moves the block in the direction of the syringe body (10) by hand, that is, toward the rear sleeve g (40)-, P toward the set side ( As indicated by the arrow M in FIG. 7), the injection needle M 9 of the needle body (30) > β, catty (40) is punctured / the needle (3) is punctured by the protective sleeve V) The hole (4 5) exits to facilitate injection. (Ίο) Another product :::; shall :: in the f tone, because the syringe body of this creation is made of plastic, so when this creation :: = (4 °) 'After all are finished, you can put the protective sleeve (40) === in the state of using the body (30) to prevent others from being damaged. You can place the entire safety injection needle on the needle. What is the tube = (such as the danger after a stab wound. The nail is designed to prevent infection due to inadvertent disinfection. As shown in the figure, the needle body (30) can be screwed with the conventional one if necessary. In addition to creation, please cooperate with participants The internal screw holes (300) recessed at the front end of the 8th to 9th, the thread of the end of the stainless steel injection cylinder (B) (B1) M255030 Straight, creation instructions (9) needle body (3 0) can be widely It is also suitable for both the plastic syringe body (丨 〇) and the conventional stainless steel syringe (B), which is another feature of this creation. Based on the above, this creation is indeed a very good idea, a. Apply according to law New type patent; however, the content of the above description is only a description of the preferred embodiment of I. Ling. Any extension of the technical means of this creation = 化 化, shall also fall within the scope of the patent application for this creation, and hereby indicate. Description of the drawing number] 10 syringe body; 11 receiving hole; 12 push rod guide hole. 13 connecting portion; 14 internal screw hole; 15 perforation; 'agent filling slot; 20 push rod; 21 push end; t handle; 30 needle body; 300 internal screw holes; 33 guides; 32 injection needles; 320 needle guard tubes; 3 fi 嫂 human bumps; 3 4 elastic clamps; 3 5 oblique projections; 3 6 screw joints; q β n, «fly, 41 inner holes U :. bumps; 40 protective sleeves; 51 closed snaps; 45 needle holes; 50 drug tubes; Β1 end 妗 52 piston; 6 no Steel syringe barrel; ^ threaded; P inlet; the I agent pipe;

M255030 Brief description of the diagram. Figure 1 is the creative safety note. Figure 2A is the external perspective view of the creative safety syringe. Figure 2A is the exploded perspective view of Figure 2; Figure 2 is the second third of Figure 2B. The picture is the plan view of the creation of the creation, the intention; the 4th to 7th diagrams of the needle with the Λ drug unused are the three-dimensional illustrations of the creation. Schematic diagram, the needle body of the syringe and the Xi Figure 9 is a combination of Figure 8 Figure 10 is a conventional non-curvy figure, recording the perspective view of the use of the steel barrel, the first to fourth use steps 8 photos for this creative loyalty

Claims (1)

M255030-VI. Patent application Needle body 1. A safety injection needle-push rod and-protective sleeve, -syringe body The inside of the syringe body has twenty-six ^ s. The pusher guide hole embedded in the pusher ,,,, A countersunk hole, the first end of the syringe body is an available part, and the connecting part is free, and the second end of the syringe body is formed with a connection accommodation hole for communication, and the oblique two internal screw holes, the internal screw holes A perforation is connected with the medicine filling tank 'the medicine filling tank is connected to =: the barrel body' to form the first end of the push rod with a through hole, and the push rod guide hole of the barrel body is embedded in the second one: '而 其 第The two ends are protruded from the other end of the needle body-puncture needles-and the needle injection needle and the interior of the puncture needle are: ten = placement "is convexly protruded-the injection needle, on the peripheral side of the near injection needle :: The eight sides are connected, and the needle body rests on the peripheral side of the block, the -elastic clamping block, and a slant = knife cloth to form at least one or more guide protrusions. Barbed needle end joint; a screw sleeve that can be screwed into the screw hole in the joint of the barrel body; H :::: inner Slightly larger than the diameter of the syringe body, the protective hole in the protective sleeve; the needle body and the inner tube of the opening of the syringe body are opposite to the needle tip # & The longitudinal guide groove through which the bump passes, and the protective sleeve 4 sets of g sleeves are placed on the needle body to form positioning, and the addictive ## I I ^ ^ _ monk does not provide oblique bumps for embedding. It can be set on the other side of the positioning groove equivalent to the security officer. When placed on the body of the needle, the elasticity corresponding to the pressing elastic block is 373-001TWU.ptd Page 14 M255030 —_ I _ 6. The scope of the patent application is that the neck is formed into a buckle at one end, and the protective sleeve is available for the needle. The injection of the body = the brother of the opening of the hole. For the screw body of the needle body \ the female full injection syringe, at least two are protruded on the characteristic edge; ": a cloth around the needle body near the end of the puncture needle, so that the two screw projections can be ghosts The two screw bumps are spaced 180 degrees apart 3. If the scope of the patent application is in the inner screw hole of the syringe body joint, for the needle body has one of the puncture needles and the safety injection syringe described in / Features: The screw thread of the end of the steel injection cylinder is formed into a screw: the formation-can be used with conventional stainless steel 4 · If the scope of patent application for item i: °, the body of the syringe is a plastic product. &Quot; Female full injection syringe Features 5 · If the scope of the patent application is No. 1, the guiding protrusion of the needle body is the main shot barrel of 'Queen of the Rain', and its characteristics are symmetrically distributed at 180 degrees. The projections are as shown in Figure 6. The installation as described in item 1 of the scope of the patent application. ≫ The private force is that the elastic block of the needle body is provided with a king / shot cylinder, the position of its characteristic block, and is elastic. The state is protruding. ° Again; staggered guide projection and oblique projection 7. As described in item 1 of the scope of patent application, the oblique projection of the needle body is based on the phase king / f syringe, which features the needle toward the needle body toward the needle body The other side of the oblique projection block is formed on the outside, and the extension is as described in item 1 of the scope of patent application. Therefore, the width of the medicine filling tank is slightly larger than that of the second system; ± ^ injection syringe, and the length of the filling tank of the characteristic agent is slightly larger than the diameter of the medicine tube of the standard system, and the length of the medicine p. 15 -〇〇iTWU.ptd