TWM521465U - Safe transfusion needle device - Google Patents

Description

Safe infusion needle device

The creation is a safe infusion needle device, especially an actuation main body which is made by a combination of ingenious components, so that an infusion needle is used to generate a dial-up automatic force lock under the action of a safety protective sleeve linked to the main body of the actuation body. The combined function is quite stable and does not fall off, so that it has excellent safety in use.

In modern medicine, it is a normal state to use injection and infusion methods for treatment. After use, syringe needles are usually sheathed at appropriate time to prevent accidental punctures and infections to patients or medical staff, and to facilitate subsequent syringes. Dispose of the work and prevent it from being recycled. The prior art is directed to a needle sheath structure design of a syringe, which mainly comprises a syringe barrel. The syringe barrel is provided with a needle holder. The needle holder protrudes from a needle for injection, and the needle holder is covered with a needle cover for protecting the needle. a safety sheath is attached to one side of the needle holder, and a lower joint portion of the safety sheath is provided with a connecting mechanism for bending, and the safety sheath is placed against the side of the needle cover before the syringe is used. When it is used, the safety sheath is first turned down by its connecting mechanism, and then the needle cover is removed to expose the needle to perform an injection operation, and when the injection is completed, the safety sheath is manually pushed toward the needle The direction is bent back to facilitate the sealing of the safety sheath to the needle, and the needle is covered to avoid exposure, so as to achieve the safety protection of the needle after use.

Although the needle sleeve structure of the prior injection and blood collection needle can achieve the purpose of protecting the needle after use, there is still a defect, for example, the safety needle sleeve is integrally connected to the side of the needle holder, so that the needle holder is safe. Needle sleeves need to be equipped with complex molds in one piece, which is not only the production Complex, high cost, and not in line with economic benefits. If the safety needle cover is attached to the needle holder in an adhesive manner, there is a possibility that it is easy to fall off, and the prior art is undesirably designed for the integration (connection) of the safety needle cover and the needle holder. Therefore, how to improve the lack of safety needle sleeve structure of existing syringes, blood collection needles, etc. is an important issue that the industry should strive to solve and overcome.

In view of the shortcomings of the safety jacket structure of the existing syringes and the fact that the structural design is not ideal, that is, to develop a solution, the creator hopes to develop a simple structure, high safety and conformity to manufacture. The economical and safe infusion needle device is used to promote the development of this industry and to create a long-term concept.

The main purpose of the present invention is to provide a safe infusion needle device which can be made into a combined main body by using ingenious components, and is convenient to be combined with the needles of the infusion needle device and the components of the infusion cartridge which are made by the prior art. In the above, the infusion needle is used to generate a sufficient sufficient strength elastic locking function under the action of the safety protective sleeve linked to the main body to facilitate the manufacture of the safe infusion needle device and reduce the cost, and the combination thereof is relatively stable. It does not fall off, and it has excellent safety in use.

The second purpose of the present invention is to provide a safe infusion needle device which can prevent the risk of contamination caused by needle sticks caused by the exposure of the infusion needle needle, and the used needle does not hide and lock inside the safety cover. Can not be taken out, in order to eliminate the drawbacks of being reused.

In order to achieve the above purposes and effects, the technical means adopted by the present invention include: a butterfly wing infusion group comprising an infusion tube and two butterfly flaps, and a set of solid blocks at the center of the two butterfly flaps; a needle The device comprises a needle holder, a needle is inserted and coupled to the needle holder, a tube support sleeve and a tube joint are arranged at the rear end of the needle holder, and the tube support sleeve is fixed to the sleeve of the butterfly wing piece for infusion The tube is sleeved on the pipe joint; an actuating body portion includes a fixed U-shaped portion, a movable U-shaped portion, a film soft hinge portion, a through port and a V-shaped bullet disposed between the two ends of the through port a fixed body, the fixed U-shaped portion is integrally coupled to the flat seat and the kit below thereof, and is sleeved on the needle seat by the kit; the soft hinge portion of the film is disposed between the end portions of the film connecting the two U-shaped portions And having a relatively loose connection length such that the two U-shaped portions are integrally connected by the slack connection length; the opening is disposed between the long ends of the two U-shaped portions; the film of the long side of the V-shaped elastic body The soft hinge portion is connected to the predetermined length of the fixed U-shaped portion, and the film soft hinge portion of the V-shaped elastic short side is connected to the preset length of the movable U-shaped portion, and the The end of the movable U-shaped portion has a receiving portion; a protective sleeve having a space for the front end of the protective sleeve, wherein the front end of the protective sleeve is provided with a plug portion, and the plug portion is connected to the inserted portion of the movable U-shaped portion a portion that connects the movable U-shaped portion to the protective sleeve; thus, when the infusion medical behavior is completed, the fixed U-shaped portion and the movable U-shaped portion are substantially free by the flexible soft hinge portion of the slack connection length The relative bending and turning operation of the resistance, together with the strongness of the V-shaped elastic body at the opening Elastic help, so that the two folded inverted U-shaped operating section, the protective sheath provides a sufficient snap action force sufficient elastic strength, long finger wave quickly became the needle hub snaps into the distal end of the needle protection sleeve.

The V-shaped elastic body is composed of a long side and a short side to form an elastic plate body.

The V-shaped elastic body has at least 30% longer than the short side, and the V-shaped elastic body has at least one elastic rib.

The V-shaped elastomer has a ratio of a long side to a short side of 2:1, and the V-shaped elastic body has at least one elastic rib.

The end of the movable U-shaped portion extends upwardly and has a vertically protruding insertion portion, the insertion portion has a receiving hole, and the insertion portion of the protective sleeve is inserted into the insertion hole to make the insertion portion card The knot is positioned at the jack.

The protective cover includes a base plate, two side plates disposed around the base plate, and a sleeve body formed by the one end plate, so that the protective cover has a set space, and the side plate is provided with at least one obliquely extending space for the sleeve space. The strips of the two side panels are staggered so that the needle can no longer be removed once it enters the nesting space.

In order to achieve the above-mentioned purpose and effect, the other technical means adopted by the present invention include: an infusion set, the infusion set is provided with an infusion tube; a needle device comprising a needle holder, a needle inserted and coupled to the needle The actuating body portion includes a fixed U-shaped portion, a movable U-shaped portion, a thin film flexible hinge portion, a straight-through connector, a through opening, and a V-shaped elastic body disposed between the two ends of the opening. The film soft hinge portion is disposed between the end portions of the film connecting the two U-shaped portions, and has a relatively loose connection length, so that the two U-shaped portions are integrally connected by the slack connection length; the port is provided at Between the two long ends of the two U-shaped portions; the film soft hinge portion of the long side of the V-shaped elastic body is connected to a predetermined length of the fixed U-shaped portion, and the tip film of the short side of the V-shaped elastic body The soft hinge portion is connected to the preset length of the movable U-shaped portion, and the end of the movable U-shaped portion is provided with a receiving portion; the fixed U-shaped portion is integrally coupled to the in-line connector, the in-line insertion The front end of the connector is a straight connector, and the rear end is a pipe connector. The needle holder Connected to the in-line connector, the tube connector is sleeved on the infusion tube; a protective sleeve having a set space, the front end of the protective sleeve is provided with a plug portion, and the plug portion is assembled to the activity The insertion portion of the U-shaped portion connects the movable U-shaped portion and the protective sleeve; thus, when the infusion medical behavior is completed, the fixed U-shaped portion and the movable U-shaped portion are softly connected by the length of the slack connection When the hinge portion performs a relatively bending-free turning operation with almost no resistance, and the strong elastic assistance of the V-shaped elastic body is further provided at the opening, the two U-shaped portions are provided for bending and turning operations, and the The protective sleeve is fully elasticized with sufficient strength to engage the needle at the front end of the needle holder into the protective sleeve as soon as the finger is clicked.

The V-shaped elastic body is composed of a long side and a short side to form an elastic plate body.

The V-shaped elastic body has at least 30% longer than the short side, and the V-shaped elastic body has at least one elastic rib.

The V-shaped elastomer has a ratio of a long side to a short side of 2:1, and the V-shaped elastic body has at least one elastic rib.

The end of the movable U-shaped portion extends upwardly and has a vertically protruding insertion portion, the insertion portion has a receiving hole, and the insertion portion of the protective sleeve is inserted into the insertion hole to enable the insertion The part snap is positioned at the jack.

The protective cover includes a base plate, two side plates disposed around the base plate, and a sleeve body formed by the one end plate, so that the protective cover has a set space, and the side plate is provided with at least one obliquely extending space for the sleeve space. The strips of the two side panels are staggered so that the needle can no longer be removed once it enters the nesting space.

In order to achieve the above-mentioned purpose and effect, another technical means adopted by the present invention comprises: an infusion set, the infusion set is provided with an infusion tube; a needle device comprising a needle holder, a needle inserted and coupled thereto a needle holder having a second screwing flange at the rear end of the needle holder; an actuation body portion including a fixed U-shaped portion, a movable U-shaped portion, a sleeve and a dual-purpose connecting member, the fixed U-shaped portion and the movable U-shaped portion A thin film soft hinge portion and a through hole are disposed between the portions, and the film soft hinge portion is disposed between the end portions of the two U-shaped portions and has a loose connection length, so that the two U-shaped portions have a loose connection length The opening is integrated; the opening is disposed between the two U-shaped portions, and the fixed U-shaped portion and the movable U-shaped portion can perform a relative bending-free turning operation without resistance by the slack length film soft hinge portion, the opening portion a V-shaped elastic body, the film soft hinge portion of the long side of the V-shaped elastic body is connected to a predetermined length of the fixed U-shaped portion, and the film soft hinge portion of the short side of the V-shaped elastic body is Connected to the preset length of the movable U-shaped portion, in the two U-shaped portions Sufficient sufficient elastic force is provided during the bending operation, and the movable U-shaped portion is provided with a receiving portion at the end and the movable U-shaped portion has a receiving portion at the end, the fixed U-shaped portion being integrally coupled to the set, the two A connector is provided in the middle of the front end of the connector, and a rear end is a pipe joint. The outer connector of the male connector is provided with a threaded portion, and the sleeve is sleeved on the outer circumference of the dual-purpose connector, and the dual-purpose connector is directly inserted. The connector is inserted into the needle holder, and the two screwing flanges of the needle holder are screwed with the threaded portion, wherein the infusion tube is sleeved on the pipe joint; and a protective sleeve has a set space, the protective sleeve The front end side is provided with a plug portion that is coupled to the receiving portion of the movable U-shaped portion to connect the movable U-shaped portion with the protective sleeve.

The V-shaped elastic body comprises a long side and a short side to form an elastic plate body. The long side of the V-shaped elastic body is at least 30% larger than the short side, and the preferred length ratio is 2:1. elasticity The body has at least one elastic rib.

The end of the movable U-shaped portion extends upwardly and has a vertically protruding insertion portion, the insertion portion has a receiving hole, and the insertion portion of the protective sleeve is inserted into the insertion hole to make the insertion portion card The knot is positioned at the jack.

The protective cover includes a base plate, two side plates disposed around the base plate, and a sleeve body formed by the one end plate, so that the protective cover has a set space, and the side plate is provided with at least one obliquely extending space for the sleeve space. The strips of the two side panels are staggered so that the needle can no longer be removed once it enters the nesting space.

In order to achieve the above-mentioned purpose and effect, another technical means adopted by the present invention comprises: an infusion set, the infusion set is provided with an infusion tube; a needle device comprising a needle holder, a needle inserted and coupled thereto a needle holder, the rear end of the needle holder is provided with two screwing flanges; an actuating body portion includes a fixed U-shaped portion, a movable U-shaped portion, a dual-purpose connecting member, a film soft hinge portion, a through port and a V-shaped elastic body disposed between the two ends of the opening, the film soft hinge portion is disposed between the end portions of the film connecting the two U-shaped portions, and has a relatively loose connection length, so that the two U-shaped The portion is integrally connected by the length of the slack connection; the opening is disposed between the two long ends of the two U-shaped portions; the film soft hinge portion of the long side of the V-shaped elastic body is connected to the preset of the fixed U-shaped portion The length of the V-shaped elastomer short-side film soft hinge portion is connected to the predetermined length of the movable U-shaped portion, and the movable U-shaped portion is provided with a receiving portion at the end; the fixed U-shaped portion An integral connection to the dual-purpose connector, wherein a threaded portion is disposed on an inner circumference of the front end of the dual-purpose connector The intermediate portion is provided with a plug connector, and the rear end is a pipe joint. The straight connector of the dual-purpose connector is inserted into the needle holder, and the two screwing flanges of the needle holder are screwed with the threaded portion of the dual-purpose connector. Wherein the infusion tube is sleeved to the pipe joint; a protective sleeve having a space for the front end of the protective sleeve is provided with a plug portion, the plug portion being coupled to the movable U-shaped portion The insertion portion connects the movable U-shaped portion and the protective sleeve; thus, when the infusion medical behavior is completed, the fixed U-shaped portion and the movable U-shaped portion are almost performed by the film soft hinge portion of the slack connection length When there is no resistance, the relative bending and turning operation is added. The strong elastic support of the V-shaped elastic body is further provided at the opening, so that when the two U-shaped portions are bent and turned, the protective sleeve is provided with sufficient elastic strength and cooperation force, as long as the finger is instantaneously The needle at the front end of the needle holder is snapped into the protective sleeve.

The V-shaped elastic body is composed of a long side and a short side to form an elastic plate body.

The V-shaped elastic body has at least 30% longer than the short side, and the V-shaped elastic body has at least one elastic rib.

The V-shaped elastomer has a ratio of a long side to a short side of 2:1, and the V-shaped elastic body has at least one elastic rib.

The end of the movable U-shaped portion extends upwardly and has a vertically protruding insertion portion, the insertion portion has a receiving hole, and the insertion portion of the protective sleeve is inserted into the insertion hole to make the insertion portion card The knot is positioned at the jack.

The protective cover includes a base plate, two side plates disposed around the base plate, and a sleeve body formed by the one end plate, so that the protective cover has a set space, and the side plate is provided with at least one obliquely extending space for the sleeve space. The strips of the two side panels are staggered so that the needle can no longer be removed once it enters the nesting space.

The specific embodiments of the present invention will be further described by the following examples and accompanying drawings.

10‧‧‧Butterfly Infusion Group

10A‧‧‧Infusion group

10B‧‧‧Infusion group

10C‧‧‧Infusion group

11‧‧‧Infusion tube

11A‧‧‧Infusion tube

11B‧‧‧Infusion tube

11C‧‧‧Infusion tube

12‧‧‧Butterfly flaps

13‧‧‧Set of solid blocks

20‧‧‧needle device

20A‧‧ needle device

20B‧‧・Needle device

20C‧‧‧ needle device

21‧‧‧ needle seat

21A‧‧‧ needle seat

21B‧‧‧ needle seat

21C‧‧‧ needle seat

211B‧‧‧ screw flange

211C‧‧‧Spiral flange

22‧‧‧Needle support sleeve

22A‧‧‧needle support sleeve

23‧‧‧ needle

24‧‧‧ tube support sleeve

25‧‧‧ pipe joint

30‧‧‧Action main body

30A‧‧‧Action Main Body

30B‧‧‧Activity Main Body

30C‧‧‧Activity Main Body

31‧‧‧Fixed U-shaped

31A‧‧‧Fixed U-shaped

31B‧‧‧Fixed U-shaped

31C‧‧‧Fixed U-shaped

311‧‧‧ flat seat

32‧‧‧ Activities U-shaped

33‧‧‧film soft hinge part

330‧‧‧ mouth

34‧‧‧Received part

341‧‧‧ jack

35‧‧‧V-shaped elastomer

351‧‧‧ long side

3511‧‧‧film soft hinge part

3521‧‧‧film soft hinge

352‧‧‧ Short side

353‧‧‧Flexible ribs

36‧‧‧ kit

36A‧‧‧In-line connector

361A‧‧‧In-line connector

362A‧‧‧ pipe connector

37B‧‧‧ kit

38B‧‧‧ Dual-use connector

381B‧‧‧In-line connector

382B‧‧‧ pipe joint

383B‧‧ Thread Department

39C‧‧‧ Dual-use connector

391C‧‧‧In-line connector

392C‧‧‧ pipe joint

393C‧‧ Thread Department

40‧‧‧ protective cover

41‧‧‧Substrate

42‧‧‧ side panels

421‧‧‧

422‧‧‧The Ministry of Movement

43‧‧‧End plate

44‧‧‧ Layout space

45‧‧‧Interface

451‧‧‧crack

1 is a schematic perspective view of a first embodiment (butterfly wing infusion set); FIG. 2 is a perspective exploded view of FIG. 1; FIG. 3 is a front view of the first embodiment of the present invention. FIG. 4 is another perspective view of FIG. 3; FIG. 5 is a cross-sectional view of FIG. 1; FIG. 5A is a schematic cross-sectional view of the protective cover of the first embodiment before being assembled; 5B is a schematic cross-sectional view of the protective cover of the first embodiment of the present invention; FIG. 6 is a perspective view of the second embodiment (in-line type infusion set); FIG. 3D exploded view; FIG. 8 is another perspective view of the second embodiment of the present invention (in-line type infusion set); FIG. 9 is a perspective view of the second embodiment of the present invention after the injection needle is covered by a protective cover; 10 is a schematic cross-sectional view of FIG. 6; FIG. 10A is a schematic cross-sectional view of the protective cover of the second embodiment before being closed; FIG. 10B is a cross-sectional view of FIG. 9; Fig. 12 is a perspective exploded view of Fig. 11; Fig. 13 is a perspective view of the third embodiment of the present invention after the injection needle has been covered by a protective cover; It is a schematic cross-sectional view of Fig. 11.

FIG. 14A is a schematic cross-sectional view of the third embodiment of the present invention before the cover is closed; FIG. 14B is a cross-sectional view showing the cover of the third embodiment after the cover is closed; Fig. 16 is a perspective exploded view of Fig. 15; Fig. 17 is a perspective view of the protective cover of the fourth embodiment of the present invention; Fig. 18 is a cross-sectional view of Fig. 15; The figure is a schematic cross-sectional view of the protective cover of the fourth embodiment before the cover is closed; and FIG. 18B is a schematic cross-sectional view of the protective cover of the fourth embodiment after the cover is closed.

Please also refer to FIGS. 1 to 4, which are a perspective view and an exploded perspective view of the first embodiment of the present invention. The safety infusion needle device includes a butterfly wing infusion set 10, a needle device 20, an actuation body portion 30 and a protective cover. 40; the butterfly wing infusion group 10 includes an infusion tube 11, Two butterfly flaps 12, a set of solid blocks 13 are disposed at the center of the two butterfly flaps 12; the needle device 20 includes a needle holder 21, and a front end of the needle holder 21 is provided with a needle support sleeve 22 through which a needle 23 is supported The sleeve 22 is inserted and coupled to the needle holder 21. The rear end of the needle holder 21 is provided with a tube support sleeve 24 and a tube joint 25. The tube support sleeve 24 is fixed to the sleeve 13 of the butterfly flap 12, and The infusion tube 11 is sleeved on the tube joint 25.

Referring to Figures 2, 3 and 5, the actuating body portion 30 includes a fixed U-shaped portion 31, a movable U-shaped portion 32, a film soft hinge portion 33 disposed between the U-shaped portions, and a a through port 330 between the rectangular frames of the two U-shaped portions and a V-shaped elastic body 35 disposed in the through-port 330, the fixed U-shaped portion 31 and the movable U-shaped portion 32 are nearly 90 in a static relationship a rectangular frame connected to a variable shape, having a through-port 330, wherein the two ends of the rectangular frame in the through-port 330 are connected by a film soft hinge to the V-shaped elastic body 35, the two U-shaped portions 31, 32 is a rectangular frame connected to a variable shape by a thin film flexible hinge portion 33. In a preferred embodiment, the film soft hinge portion 33 is located between the fixed U-shaped portion 31 and the movable U-shaped portion 32. The connecting portion has a connecting space relationship of approximately 90 degrees, so that the fixed U-shaped portion 31 and the movable U-shaped portion 32 can be relatively bent and reversed by the film soft hinge portion 33, and the film soft hinge portion 33, in an almost U-shaped excess length, the movable U-shaped portion 32 is connected to the fixed U-shaped portion 31 when the bending is reversed. There is sufficient space to quickly bend and flip on the fixed U-shaped portion 31 to enable the V-shaped elastic body 35 to fully exert its elastic enough fastening force. In the present embodiment, the fixed U-shaped portion 31 The kit 36 is integrally coupled to the tablet holder 311 and the sleeve 36 thereof, and the kit 36 is sleeved on the needle holder 21. The height H of the arms on both sides of the fixed U-shaped portion 31 (as shown in FIG. 5) is required. Sufficiently sized to provide the movable U-shaped portion 32 with sufficient swing space and a moderate amount of spring force when the needle is closed, so that the bending and folding force of the movable U-shaped portion 32 is optimal. The end of the movable U-shaped portion 32 extends vertically upwardly with a protruding receiving portion 34. The receiving portion 34 has a receiving hole 341, and a V-shaped elastic body 35 is disposed at a rear portion of the opening 330. The body 35 is formed of a long side 351 and a short side 352 to form an elastic plate body (as shown in Figure 5-5B). The V-shaped elastic body 35 is connected to the predetermined length position of the fixed U-shaped portion 31 by the film soft hinge portion 3511 of the long side 351, and the film soft hinge portion 3521 of the short side 352, respectively. Attached to the preset length position of the movable U-shaped portion 32, so that the two U-shaped portions generate sufficient sufficient elastic strength to cooperate when the bending and turning operation is performed, and the back of the V-shaped elastic body 35 may also be used when necessary. Further, an elastic rib 353 is provided to enhance the strong elastic function of the V-shaped elastic body 35. The long side 351 of the V-shaped elastic body 35 is larger than the short side 352 by at least 30%, and the preferred length ratio is 2:1. It is one of the main features of this creation to use the working relationship between the long and short sides to achieve sufficient elastic strength and cooperation.

The protective cover 40 includes a base plate 41 and a sleeve formed by the two side plates 42 and the one end plate 43 around the base plate 41, and the protective cover 40 has a set space 44, and the side plate 42 is provided with at least one direction. The guards 421 of the slantingly extending slats 421 are disposed in a staggered manner, and the side sills 42 are provided with a tilting portion 422 for facilitating the sliding operation of the protective sleeve 40. The front end of the protective cover 40 is provided with a plug portion 45. The plug portion 45 is provided with a split slot 451 to ensure that the plug portion 45 is firmly inserted.

When the first embodiment of the present invention is combined, the insertion portion 45 of the protective sleeve 40 is inserted into the insertion hole 341 of the insertion portion 34 which is vertically protruded from the movable U-shaped portion 32, and the insertion portion is made. The latching portion is positioned at the insertion hole 341 to complete the assembly and positioning of the movable U-shaped portion 32 (corresponding to the actuation main body portion 30) and the insertion portion 45 (corresponding to the protective sleeve 40), and the actuation main body portion 30 is completed. The protective sleeve 40 is opposite to the side of the needle holder 21, so that the protective sleeve 40 is bent relative to the needle 23 and can be fitted.

Please refer to FIG. 5 to FIG. 5B , which are schematic cross-sectional views showing the front and the fully closed state of the protective cover of the first embodiment of the present invention. When the needle 23 is to be sheathed after the infusion needle is used, the The protective cover 40 is slid in the direction of the needle 23, and the change in the opening angle of the V-shaped elastic body 35, that is, the smaller angle from the fifth drawing to the larger angle of the fifth embodiment, at this time, the V-shaped elastic body 35 Gradually store its elastic energy, when the opening angle of the V-shaped elastic body 35 becomes the large angle of the 5A At this time, the V-shaped elastic body 35 can release the stored strong elastic energy, and the movable U-shaped portion 32 (along with the protective sleeve 40) is used to fix the both ends of the arm portion of the U-shaped portion 31 and the soft hinge portion of the film. As the fulcrum of the bending and turning, the movable U-shaped portion 32 and the protective sleeve 40 can be quickly turned counterclockwise to the fixed U-shaped portion 31, and the V-shaped elastic body 35 provides sufficient sufficient strength to buckle. The elastic force causes the protective sleeve 40 to perform an infusion medical behavior in the latter part of the stroke, and the action of automatically and quickly engaging the needle 23 is required only when the finger is gently dialed, and the needle 23 is quickly pressed into the strip 421 by itself. The lock is locked in the sleeve space 44 and can no longer be withdrawn, as shown in Figures 3, 4 and 5B. It should be noted that when the V-shaped elastic body 35 is to be further reinforced with its fastening elastic force, an elastic rib 353 may be added to the back of the V-shaped elastic body 35, as shown in Fig. 3.

Referring to Figures 6 to 10B, a second embodiment of the safe infusion needle device of the present invention comprises an infusion set 10A, a needle device 20A, an actuation body portion 30A and a protective sleeve 40; The components having the same functions as those of the first embodiment are denoted by the same reference numerals and their related explanations are omitted; the infusion set 10A is provided with an infusion tube 11A; the needle device 20A includes a needle holder 21A having a front end 21A A needle support sleeve 22A is provided, and a needle 23 is inserted and coupled to the needle holder 21A through the needle support sleeve 22A.

The embodiment of the present invention is characterized in that the actuating main body portion 30A includes a fixed U-shaped portion 31A, a movable U-shaped portion 32 and an in-line connecting member 36A. The fixed U-shaped portion 31A is integrally coupled to the in-line connecting member 36A. The front end of the in-line connector 36A is a male connector 361A, and the rear end is a pipe connector 362A. The needle holder 21A is sleeved in the male connector 361A. The pipe connector 362A is sleeved on the infusion tube 11A. When the portion 30A is combined with the protective sleeve 40, the insertion portion 45 of the protective sleeve 40 is inserted into the insertion hole 341 of the insertion portion 34 that protrudes perpendicularly from the movable U-shaped portion 32, and the insertion portion 45 is engaged and positioned. The insertion hole 341 completes the assembly and positioning of the movable U-shaped portion 32 (corresponding to the actuation main body portion 30A) and the insertion portion 45 (corresponding to the protective sleeve 40), and the actuation main body portion 30A and the protective cover 40 are provided. Relatively located on one side of the needle holder 21A, the protective sleeve 40 is bent and folded relative to the needle 23 to be in a position to be strongly engaged, as shown in Figures 6, 8 and 10, 10A-B, and when injecting Need to use after the needle is used When the needle 23 is sheathed, the protective sleeve 40 is pushed and pushed in the direction of the needle 23, and the change in the opening angle of the V-shaped elastic body 35 and the elastic rib 353 is changed from the smaller angle of FIG. At a larger angle of FIG. 10A, the V-shaped elastic body 35 starts to store elastic energy. When the opening angle of the V-shaped elastic body 35 and the elastic rib 353 becomes a large angle of FIG. 10A, the V-shaped elastic body 35, The elastic rib 353 releases the stored elastic energy, and the movable U-shaped portion 32 (along with the protective sleeve 40) is used as the fulcrum of the bending and turning of the both ends of the fixed U-shaped portion 31A and the film soft hinge portion 33. The movable U-shaped portion 32 (along with the protective sleeve 40) is caused to rotate counterclockwise to the fixed U-shaped portion 31A, that is, the movable U-shaped portion 32 and the protective sleeve 40 are fixed to the fixed U by the film soft hinge portion 33. The shape portion 31A is bent and turned over, and by the cooperation of the V-shaped elastic body 35 (elastic rib 353), a sufficient elastic force of sufficient fastening strength is provided to complete the medical action of the infusion, and the protective sleeve 40 is traveled in the posterior segment. When the finger is swiped, the automatic force is fastened to the action of the needle 23, and the used one is used. Once the needle 23 is quickly pressed through the strip 421, it is locked and positioned in the sleeve space 44 and cannot be automatically retracted, as shown in Figs. 9 and 10B.

Please refer to the figures 11 to 14B, which is a third embodiment of the safe infusion needle device of the present invention, and the structure thereof is mostly the same as that of the second embodiment and has the same function, so the same reference numerals are used and the description is omitted. The safety infusion needle device includes an infusion group 10B. The infusion group 10B is provided with an infusion tube 11B. The needle holder 21B has a second screwing flange 211B at the rear end of the needle holder 21B. The actuation body portion 30B includes a fixing U. The shaped portion 31B, the movable U-shaped portion 32, the sleeve 37B and the dual-purpose connecting member 38B are integrally coupled to the sleeve 37B. The front end of the dual-purpose connecting member 38B is provided with a straight insertion joint 381B, and the rear end is a tube. The connector 382B, the dual-purpose connector 38B is provided with a threaded portion 383B, the sleeve 37B is sleeved on the outer edge of the dual-purpose connector 38B, and the male connector 381B of the dual-purpose connector 38B is inserted into the needle holder 21B. The two screwing flanges 211B of the needle holder 21B of the needle device 20B are screwed into the threaded portion 383B, wherein the infusion tube 10B is sleeved on the pipe joint 382B. When the main body portion 30B is combined with the protective cover 40, the insertion portion 45 of the protective cover 40 is inserted into the insertion hole 341 of the insertion portion 34 that protrudes perpendicularly from the movable U-shaped portion 32, and the insertion portion is made. 45 knot The positioning of the movable U-shaped portion 32 (actuating main body portion 30B) and the insertion portion 45 (protecting sleeve 40) is completed, and the operating main body portion 30B and the protective sleeve 40 are located opposite to each other. One side of the needle holder 21B is in a position where the protective sleeve 40 is bent relative to the needle 23, as shown in Figs. 11 and 14. When the needle 23 is to be used for safety protection after the infusion needle is used, the protective sleeve 40 is pushed forward by the direction of the needle 23, and the angle of the opening of the V-shaped elastic body 35 and the elastic rib 353 is changed. The smaller angle of Fig. 14 becomes the larger angle of Fig. 14A, at which time the V-shaped elastic body 35 starts to store the elastic energy, and when the V-shaped elastic body 35 and the elastic rib 353 open the angle becomes the large angle of the 14A The V-shaped elastic body 35 and the elastic rib 353 release all the stored strong elastic energy, and the movable U-shaped portion 32 (the protective cover 40) is used to fix the both ends of the fixed U-shaped portion 31B and the film. The chain portion 33 is a pivoting fulcrum, so that the movable U-shaped portion 32 (the protective sleeve 40) can be turned counterclockwise to the fixed U-shaped portion 31B, and the movable U-shaped portion 32 is protected by the film soft hinge portion 33 (protection) The sleeve 40) is bent and turned to the fixed U-shaped portion 31B, and the V-shaped elastic body 35 and the elastic rib 353 provide an elastic force for fast and strong engagement, so that the stroke of the rear sleeve of the protective sleeve 40 is automatically turned when it is toggled. Locking the action of the used needle 23 and pressing the needle 23 through the strip 421 to position The space within sleeve 44 and can not automatically exit, as shown in FIG. 13 and FIG. 14B.

Referring to Figures 15 to 18B, the fourth embodiment of the safe infusion needle device of the present invention is substantially the same as the second embodiment and has the same function, so the same reference numerals are used and the related description is omitted. The infusion set 10C is provided with an infusion tube 11C; the rear end of the needle holder 21C of the needle device 20C is provided with a second screwing flange 211C; the actuation body portion 30C includes a fixed U-shaped portion 31C, a movable U-shaped portion 32 and The dual-purpose connector 39C is integrally coupled to the outer circumference of the dual-purpose connector 39C. The front end of the dual-purpose connector 39C is provided with a male connector 391C and a rear connector 392C. A threaded portion 393C is disposed on the inner circumference of the front end of the member 39C, and the male connector 391C of the dual-purpose connector 39C is inserted into the needle holder 21C, and the two screwing flanges 211C of the needle holder 21C are screwed with the threaded portion 393C. The infusion tube 11C is sleeved on the pipe joint 392C. When the actuation main body portion 30C is combined with the protective cover 40, the insertion portion 45 of the protective cover 40 is used. The insertion hole 341 of the insertion portion 34 is vertically inserted into the movable U-shaped portion 32, and the insertion portion 45 is engaged and positioned at the insertion hole 341, that is, the movable U-shaped portion 32 is completed (equivalent to the actuation body) The portion 30C) is assembled and positioned with the insertion portion 45 (corresponding to the protective sleeve 40), and the actuation main body portion 30C and the protective sleeve 40 are opposite to the needle holder 21C, so that the protective sleeve 40 is opposed to the needle 23 The position of the sleeve can be folded after being turned over, as shown in Figures 15 and 18. And when the needle 23 is to be sheathed after the injection needle is used, the protective sleeve 40 is pushed forward in the direction of the needle 23, and the V-shaped elastic body 35 and the elastic rib 353 are changed according to the above-mentioned opening angle. That is, from the smaller angle of Fig. 18 to the larger angle of Fig. 18A, the V-shaped elastic body 35 starts to store the elastic energy, and when the V-shaped elastic body 35 and the elastic rib 353 open the angle becomes the 18A At a large angle, the V-shaped elastic body 35 and the elastic rib 353 release the stored strong elastic energy, and the movable U-shaped portion 32 (along with the protective sleeve 40) is used to terminate the two arm ends of the fixed U-shaped portion 31C. When the film flexible hinge portion 33 is used as a turning fulcrum, when the movable U-shaped portion 32 (the protective cover 40) is subjected to the counterclockwise bending and turning operation to the fixed U-shaped portion 31C, the movable U-shaped portion 33 is used to make the movable U The shape portion 32 (the protective sleeve 40) can be quickly bent and turned toward the fixed U-shaped portion 31C, and the strong elastic force provided by the V-shaped elastic body 35 together generates sufficient sufficient strength to engage the elastic force to make the infusion medically When the behavior is completed, the stroke of the protective sleeve 40 is fast after the finger is swiped. The buckle lock 23 of the needle actuation function, so that the needle 23 and forced through the bead 421 and the locking sleeve in the space 44 can no longer exit 18B as shown in FIG. 17 and FIG.

According to the above configuration, the safe infusion needle device of the present invention provides a safe infusion needle device which can be combined with an ingenious member to actuate the main body portion, and is combined with an infusion needle device of an infusion needle device which is manufactured by the prior art. And the components of the infusion tube enable the use of the infusion needle to generate a sufficient sufficient strength elastic locking function under the action of the safety protective sleeve linked to the main body of the operating body to facilitate the manufacture of the safe infusion needle device and reduce the cost. And the combination of this creation is quite stable and does not fall off, so as to achieve excellent security in use.

The creation of the safe infusion needle device provides sufficient sufficient strength and elastic buckle cooperation force by the V-shaped elastic body and the elastic rib to make the back stroke of the protective sleeve automatically fit the needle And the needle is pressed through the strip, and the lock can not be withdrawn in the sleeve space, which prevents the medical personnel from being contaminated by needle sticking due to the exposure of the needle, and the used needle does hide the lock It can not be removed inside the protective cover, so as to prevent it from being used again, it is very user-friendly and makes it easier for medical personnel to operate safely.

The above description is only for the preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Therefore, all the simple modifications and equivalent structural changes that are made by using the present specification and the contents of the drawings should be included in the same reason. Within the scope of this creation's patent.

10‧‧‧Butterfly Infusion Group

11‧‧‧Infusion tube

12‧‧‧Butterfly flaps

13‧‧‧Set of solid blocks

20‧‧‧needle device

21‧‧‧ needle seat

22‧‧‧Needle support sleeve

23‧‧‧ needle

24‧‧‧ tube support sleeve

25‧‧‧ pipe joint

30‧‧‧Action main body

31‧‧‧Fixed U-shaped

311‧‧‧ flat seat

32‧‧‧ Activities U-shaped

33‧‧‧film soft hinge part

330‧‧‧ mouth

34‧‧‧Received part

341‧‧‧ jack

35‧‧‧V-shaped elastomer

36‧‧‧ kit

40‧‧‧ protective cover

41‧‧‧Substrate

42‧‧‧ side panels

421‧‧‧

422‧‧‧The Ministry of Movement

43‧‧‧End plate

44‧‧‧ Layout space

45‧‧‧Interface

451‧‧‧crack

Claims (24)

A safe infusion needle device comprises: a butterfly wing infusion set (10) comprising an infusion tube (11) and two butterfly flaps (12), wherein the two butterfly flaps (12) are provided with a set of solid blocks ( 13); a needle device (20), comprising a needle holder (21), a needle (23) is inserted and coupled to the needle holder (21), and a tube support sleeve (24) is arranged at the rear end of the needle holder (21) And a pipe joint (25), the pipe support sleeve (24) is fixed to the sleeve (13) of the butterfly wing piece (12), and the pipette (11) is sleeved to the pipe joint (25); The main body portion (30) includes a fixed U-shaped portion (31), a movable U-shaped portion (32), a film soft hinge portion (33), a through port (330), and a through hole (330) a V-shaped elastic body (35) between the two ends, the fixed U-shaped portion (31) is integrally coupled to the flat seat (311) and the sleeve (36) therebelow, and the sleeve (36) is sleeved on the needle seat (21) upper; the film soft hinge portion (33) is disposed between the tip ends of the film connecting the two U-shaped portions, and has a relatively loose connection length, so that the two U-shaped portions are connected by the slack connection length Integrated; the port (330) is disposed between the two long ends of the two U-shaped portions; the V-shaped elastic body (35 The long-side film soft hinge portion (3511) is connected to the predetermined length of the fixed U-shaped portion (31), and the V-shaped elastic body (35) has a short-side film soft hinge portion (3521) And connected to the preset length of the movable U-shaped portion (32), and the movable U-shaped portion (32) has a receiving portion (34) at the end; a protective sleeve (40), the protective sleeve (40) The utility model has a space (44), and a front end of the protective sleeve (40) is provided with a plug portion (45), and the plug portion (45) is assembled to the insertion portion of the movable U-shaped portion (32) ( 34), the movable U-shaped portion (32) is coupled with the protective sleeve (40); thus, when the infusion medical behavior is completed, the fixed U-shaped portion (31) and the movable U-shaped portion (32) are The flexible soft hinge portion (33) of the slack connection length performs a relatively bending-free relative bending reversal operation, and the port (330) is further provided with a strong elastic force of the V-shaped elastic body (35). When the two U-shaped portions are subjected to the bending and turning operation, the protective sleeve (40) is provided with sufficient elastic strength of the fastening force, and the needle (23) of the front end of the needle holder (21) is provided as soon as the finger is swiped. Buckle into the protective cover (40). The safety infusion needle device of claim 1, wherein the V-shaped elastic body (35) comprises a long side (351) and a short side (352) to form an elastic plate body. The safety infusion needle device according to claim 2, wherein the long side (351) of the V-shaped elastic body (35) is at least 30% or more larger than the short side (352). The safety infusion needle device according to claim 2, wherein the ratio of the long side (351) to the short side (352) of the V-shaped elastic body (35) is 2:1. The safety infusion needle device of claim 3, wherein the V-shaped elastic body (35) has at least one elastic rib (353). The safety infusion needle device of claim 4, wherein the V-shaped elastic body (35) has at least one elastic rib (353). A safe infusion needle device comprises: an infusion set (10A), the infusion set is provided with an infusion tube (11A); a needle device (20A) comprises a needle holder (21A), and a needle (23) is inserted into the connection The needle body (21A); an actuation body portion (30A) includes a fixed U-shaped portion (31A), a movable U-shaped portion (32), a film soft hinge portion (33), and a plug-in connector ( 36A), a port (330) and a V-shaped elastic body (35) disposed between the two ends of the port (330), the film soft hinge portion (33) is disposed on the film connecting the two U-shaped portions Between the tip portions, and having a relatively loose connection length, the two U-shaped portions are integrally connected by the slack connection length; the opening (330) is disposed between the long ends of the two U-shaped portions; the V-shaped portion The film soft hinge portion (3511) of the long side of the elastic body (35) is connected to the predetermined length of the fixed U-shaped portion (31A), and the short-edge film of the V-shaped elastic body (35) is softly twisted. The chain portion (3521) is connected to a predetermined length of the movable U-shaped portion (32), and the end of the movable U-shaped portion (32) is provided with a receiving portion (34); the fixed U-shaped portion (31A) Integratedly connected to the in-line connector (36A), the straight Connection member (. 36A) of the front end of the joint line (361A), a rear end of the pipe connector (362A), the needle hub (21A) is sleeved on the straight connector (361A), the pipe connector (362A) is sleeved on the infusion tube (11A); a protective sleeve (40), the protective sleeve (40) has a set space (44) The front end of the protective cover (40) is provided with a plug portion (45), and the plug portion (45) is coupled to the receiving portion (34) of the movable U-shaped portion (32) to make the active U The shaped portion (32) is coupled to the protective sleeve (40); thus, when the infusion medical behavior is completed, the fixed U-shaped portion (31) and the movable U-shaped portion (32) are soft by the length of the slack connection When the hinge portion (33) performs a relatively bending-free reverse bending operation, the port (330) is further provided with a strong elastic force of the V-shaped elastic body (35), so that the two U-shaped portions are provided. When the bending and turning operation is performed, the protective sleeve (40) is provided with sufficient elastic strength of the fastening force, and the needle (23) of the front end of the needle holder (21) is snapped into the protective sleeve (40) as soon as the finger is swiped. The safety infusion needle device according to claim 7, wherein the V-shaped elastic body (35) comprises a long side (351) and a short side (352) to form an elastic plate body. The safety infusion needle device according to claim 8, wherein the long side (351) of the V-shaped elastic body (35) is at least 30% or more larger than the short side (352). The safety infusion needle device of claim 8, wherein the ratio of the long side (351) to the short side (352) of the V-shaped elastic body (35) is 2:1. The safety infusion needle device of claim 9, wherein the V-shaped elastic body (35) has at least one elastic rib (353). The safety infusion needle device of claim 10, wherein the V-shaped elastic body (35) has at least one elastic rib (353). A safe infusion needle device comprises: an infusion set (10B), the infusion set is provided with an infusion tube (11B); a needle device (20B) comprises a needle holder (21B), and a needle (23) is inserted into the connection In the needle holder (21B), a rear end of the needle holder (21B) is provided with a second screw flange (211B); an actuation body portion (30B) includes a fixed U-shaped portion (31B) and a movable U-shaped portion ( 32), a kit (37B) and a dual-purpose connector (38B), the fixed U-shaped portion (31B) and the movable U-shaped portion (32) Between the membrane soft hinge portion (33) and a port (330), the film soft hinge portion (33) is disposed between the tip ends of the U-shaped portions and has a relatively loose connection length, so that The two U-shaped portions are integrally connected by a loose connection length; the opening (330) is disposed between the two U-shaped portions, and the fixed U-shaped portion (31B) and the movable U-shaped portion (32) are softly twisted by the slack length film The chain portion (33) can perform a relative bending and reversing operation without resistance, and the port (330) is provided with a V-shaped elastic body (35), and the film-shaped soft hinge portion of the long side of the V-shaped elastic body (35) 3511) is connected to the predetermined length of the fixed U-shaped portion (31), and the film soft hinge portion (3521) of the short side of the V-shaped elastic body (35) is connected to the movable U-shaped portion (32) The preset length provides sufficient sufficient elastic force when the two U-shaped portions perform the bending operation, and the movable U-shaped portion (32) is provided with a receiving portion (34) at the end and the movable U-shaped portion The end of the portion (32) has a receiving portion (34) integrally connected to the sleeve (37B), and the front end of the dual-purpose connecting member (38B) is provided with a plug connector (381B), and the rear end For the pipe joint (382B), the straight connector (381B) a peripheral portion (38B) is provided with a threaded portion (383B), the sleeve (37B) is sleeved on the outer circumference of the dual-purpose connector (38B), and the male connector (38B) is directly inserted into the connector (381B) Inserted into the needle holder (21B), and the two screwing flanges (211B) of the needle holder (21B) are screwed with the threaded portion (383B), wherein the infusion tube (11B) is sleeved on the tube joint (382B) a protective sleeve (40) having a set of spaces (44), the front end of the protective sleeve (40) being provided with a plug portion (45), the plug portion (45) being assembled The receiving portion (34) of the movable U-shaped portion (32) connects the movable U-shaped portion (32) with the protective cover (40). The safety infusion needle device of claim 13, wherein the V-shaped elastic body (35) comprises a long side (351) and a short side (352) to form an elastic plate body. The safety infusion needle device according to claim 14, wherein the long side (351) of the V-shaped elastic body (35) is at least 30% larger than the short side (352), and the preferred length ratio is 2: 1. The safety infusion needle device of claim 14, wherein the V-shaped elastic body (35) has at least one elastic rib (353). A safe infusion needle device comprising: An infusion set (10C), the infusion set (10C) is provided with an infusion tube (11C); a needle device (20C) includes a needle holder (21C), and a needle (23) is inserted and coupled to the needle holder (21C) The rear end of the needle holder (21C) is provided with a second screw flange (211C); an actuating body portion (30C) includes a fixed U-shaped portion (31C), a movable U-shaped portion (32), one or two The connecting member (39C), a film soft hinge portion (33), a port (330), and a V-shaped elastic body (35) disposed between the two ends of the port (330), the film soft hinge portion (33) disposed between the tip ends of the film connecting the two U-shaped portions, and having a relatively loose connection length, so that the two U-shaped portions are integrally connected by the slack connection length; the port (330) is disposed at Between the two long ends of the two U-shaped portions; the film soft hinge portion (3511) of the long side of the V-shaped elastic body (35) is connected to the predetermined length of the fixed U-shaped portion (31C), and the V The film soft hinge portion (3521) of the short side of the elastic body (35) is connected to the predetermined length of the movable U-shaped portion (32), and the end portion of the movable U-shaped portion (32) is provided with a receiving portion. (34); the fixed U-shaped portion (31C) is integrally coupled to the dual-purpose connector (39C), A threaded portion (393C) is provided on the inner circumference of the front end of the connecting member (39C), a straight connector (391C) is provided at the intermediate portion, a pipe joint (392C) is provided at the rear end, and a male connector (39C) of the dual-purpose connector (39C) is used. Inserted in the needle holder (21C), and the two screwing flanges (211C) of the needle holder (21C) are screwed with the threaded portion (393C) of the dual-purpose connector (39C), wherein the infusion tube ( 11C) is sleeved on the pipe joint (392C); a protective sleeve (40) having a set space (44), the front end of the protective sleeve (40) is provided with a plug portion (45) The plug portion (45) is coupled to the receiving portion (34) of the movable U-shaped portion (32) to connect the movable U-shaped portion (32) with the protective sleeve (40); thus, when After the infusion medical behavior is completed, the fixed U-shaped portion (31C) and the movable U-shaped portion (32) are subjected to the relatively bending-free relative bending and reversing operation by the thin film soft hinge portion (33) of the slack connection length, and then In addition, the port (330) is further provided with the strong elastic force of the V-shaped elastic body (35), and when the two U-shaped portions are bent and turned, the protective sleeve (40) is provided with sufficient strength. The elastic buckle cooperates with the force, as long as the finger is swiped (21) the distal end of the needle (23) that snap into the protective sleeve (40). The safety infusion needle device of claim 17, wherein the V-shaped elastic body (35) comprises a long side (351) and a short side (352) to form an elastic plate body. The safe infusion needle device of claim 18, wherein the long side (351) of the V-shaped elastomer (35) is at least 30% larger than the short side (352). The safety infusion needle device of claim 18, wherein the ratio of the long side (351) to the short side (352) of the V-shaped elastic body (35) is 2:1. The safety infusion needle device of claim 19, wherein the V-shaped elastic body (35) has at least one elastic rib (353). The safety infusion needle device of claim 20, wherein the V-shaped elastic body (35) has at least one elastic rib (353). The safety infusion needle device of claim 1 or 7 or 13 or 17, wherein the end of the movable U-shaped portion (32) extends upwardly with a vertically projecting insertion portion (34), the insertion portion The portion (34) has a jack (341), and the plug portion (45) of the protective sleeve (40) is inserted into the jack (341) to position the plug portion (45) to the plug. Hole (341). The safety infusion needle device of claim 1 or 7 or 13 or 17, wherein the protective sleeve (40) comprises a substrate (41) and two side plates (42) disposed around the substrate (41). And a sleeve body formed by the end plate (43), the protective sleeve (40) has a set space (44), and the side plate (42) is provided with at least one guard strip extending obliquely to the sleeve space (44) ( 421), while the strips (421) of the side plates (42) are staggered so that the needle (23) can no longer be removed once it enters the casing space (44).