CN210044240U - Safety type pre-delivery hypodermic medicine needle - Google Patents

Abstract

A safe type pre-delivery hypodermic drug-placing needle belongs to the technical field of medical instruments and equipment, and comprises an embedding puncture outfit, a pusher and a contraception embedding pregnant rod; the embedded puncture outfit comprises a needle seat, a needle tube and a needle tube sheath, wherein a first anti-reverse groove is formed in the inner wall of the needle seat, the pusher comprises a core bar and a pusher handle, the core bar can stretch into the needle seat and the needle tube, the outer wall of one end, close to the pusher handle, of the core bar is provided with the pusher anti-reverse groove, a first convex table surface is formed between the pusher anti-reverse groove and the core bar, and the first convex table surface can be clamped with the first anti-reverse groove. The utility model can avoid unnecessary damage to medical personnel in the process of embedding the skin-embedded contraceptive rod, has smoother and safer operation, simple and convenient operation of recycling and abandoning, can effectively prevent secondary utilization, and has the advantages that the needle tube sheath is tightly connected with the needle seat, and the pusher is connected with the needle seat; can prevent that the syringe needle from causing personnel's damage before using, the propelling movement is effectual, and the pusher is difficult for buckling in the use.

Description

Safety type pre-delivery hypodermic medicine needle

Technical Field

The utility model belongs to the technical field of medical instrument and equipment, specifically, relate to a safe type is sent subcutaneous medicine needle in advance.

Background

There are three common methods of contraception currently used: contraceptive rings (contraceptive rings), oral contraceptives, and condom. The three contraception methods are respectively lack in convenience, safety and stability, and cannot well meet the requirements of a pregnant woman, and compared with the three contraception methods, the subcutaneous implantation contraception method is more convenient, safe and stable, and the contraception method is reversible, the implanted medicament can be taken out at any time, the contraception effect disappears in 24 hours, the side effect is small, and the contraception method is widely praised by young women.

The common disposable hypodermic needle for placing medicine is not available in use. When the skin-buried contraceptive rod is pushed, the push rod is easy to break or deviate, so that the pushing cannot be normally completed, and unnecessary damage is easily caused to a patient; the push rod is easy to fall off due to improper recovery after the hypodermic needle is used, so that the infection of personnel is caused.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a safe type is sent subcutaneous and is put medicine needle in advance, provides a safe type is sent subcutaneous and is put medicine needle in advance, and light propelling movement skin buries contraception rod, and the risk is little, retrieves portably after the use, prevents advantages such as contrary safe and reliable.

The technical scheme is as follows: the utility model provides a safe type pre-delivery subcutaneous drug-placing needle, which comprises an embedding puncture outfit, a pusher and a contraception embedding pregnant rod, wherein the contraception embedding pregnant rod is arranged in the pusher, one end of the embedding puncture outfit can extend into the pusher to push the contraception embedding pregnant rod to the subcutaneous part; wherein, the embedding puncture ware includes needle file, needle tubing and needle tubing sheath, the needle tubing sets up the one end at the needle file, the needle tubing sheath cover is established in the one end that the needle file is equipped with the needle tubing to the needle tubing sheath can cover the needle tubing and live, be equipped with first anti-adversity groove on the inner wall of needle file, the pusher includes core bar and pusher handle, the core bar sets up the one end at the pusher handle to the cross-sectional diameter of pusher handle is greater than the cross-sectional diameter of core bar, the core bar can stretch into in needle file and the needle tubing, the core bar is close to and is equipped with pusher anti-adversity groove on the one end outer wall of pusher handle, form first protruding mesa between pusher anti-adversity groove and the core bar, first protruding mesa can with first anti-adversity groove. The safety type pre-feeding hypodermic needle for placing the medicine can avoid unnecessary damage caused by medical care personnel in the embedding process of the leather-embedded contraceptive rod, has smoother and safer operation, simple and convenient operation of recycling and abandoning, and can effectively prevent secondary utilization, the needle tube sheath is tightly connected with the needle seat in the structure, and the pusher (which can be self-destructed) is connected with the needle seat; the needle file is inside to be equipped with anti-reverse groove, and the needle tubing is connected with the needle file, and the needle tubing sheath is connected with the needle file, can prevent that the syringe needle from causing personnel's damage before the use, and the propelling movement is effectual, and pusher is difficult for buckling in the use.

Furthermore, the safety type pre-delivery hypodermic needle for placing the medicine is characterized in that the outer wall of the core bar is provided with a limiting baffle.

Further, the safe type is sent hypodermic medicine needle in advance, the tip that the needle file kept away from the needle tubing is equipped with a set of spacing groove, spacing separation blade can set up in the spacing inslot. The pusher (self-destructible) is required to be taken down from the limiting blocking piece before clinical use, the pusher (self-destructible) is required to enter the first anti-reverse groove after use, and finally the handle of the pusher (self-destructible) is broken off and the push rod is left in the needle seat, and at the moment, the pusher (self-destructible) cannot be taken out.

Furthermore, the safe type pre-delivery hypodermic needle is characterized in that a self-destruction structure is arranged at the joint between the core bar and the pusher handle. The disposal treatment is safe and simple, the self-destruction pusher can be easily broken after use, unnecessary infection can be prevented, and the disposal treatment can be safely and simply carried out.

Furthermore, the safe type pre-delivery subcutaneous drug placement needle is characterized in that the contraceptive burying stick comprises a polymer rubber tube and a contraceptive drug, and the polymer rubber tube is wrapped on the outer wall of the contraceptive drug. The arranged contraceptive pregnancy burying rod can continuously play a role in the body and can perform contraception for a long time.

Further, foretell safe type is sent subcutaneous medicine needle in advance, spacing separation blade includes spacing separation blade body and a set of connection piece, a set of connection piece sets up between the outer wall of spacing separation blade body and core bar, spacing separation blade body sets up at spacing inslot. Before clinical use, the connecting sheet is broken, so that the medical device can be used, and the operation is simple and convenient.

Further, according to the safe type pre-delivery hypodermic needle for introducing the medicine, the needle base is provided with the first through hole at the middle position along the axial direction, the first through hole is communicated with the middle through hole of the needle tube, the first anti-reverse groove is formed in the inner wall of the first through hole, and the core rod can extend into the first through hole and the middle through hole of the needle tube. The middle of the needle tube is of a hollow structure, and smooth pushing of the contraceptive burying pregnancy rod can be guaranteed through the communication structure between the first through hole and the needle tube.

Furthermore, according to the safe type pre-delivery hypodermic needle for drug delivery, a flange is arranged on the end face of the needle seat far away from the needle tube. The flange is convenient for medical staff to grasp the needle base by hands to prevent slipping.

Further, foretell hypodermic needle of putting medicine under skin is sent in advance to safe type, be equipped with switching portion between core bar and the pusher handle, the cross-sectional diameter of switching portion is greater than the cross-sectional diameter of core bar to the cross-sectional diameter of switching portion is less than the cross-sectional diameter of pusher handle, the setting of pusher anti-reverse groove is on the outer wall of switching portion. The switching portion forms transition structure for the diameter of switching portion is greater than the diameter of core rod, can guarantee to set up the pusher in the outer circumference of switching portion and prevent the contrary groove after, still can keep certain intensity, makes the pusher handle propelling movement in-process avoid the switching portion to buckle.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the safety type pre-delivery hypodermic drug-placing needle of the utility model has the advantages that the skin-embedded contraceptive bar is arranged at the front end of the needle tube, and is slimmer, and the pushing process is safe and simple; the needle seat is provided with the anti-reverse groove and the limiting groove, the pusher is prevented from being extruded by external force to bury the contraceptive rod before use, the pusher is prevented from reversing after use, abandonment is completed after the self-destruction pusher handle is broken, the operation is convenient and fast, the treatment is convenient, and medical personnel and the sanitary environment are protected.

Drawings

FIG. 1 is a schematic structural view of the safety pre-delivery hypodermic needle of the present invention;

fig. 2 is a schematic structural view of the implantation puncture outfit of the present invention;

fig. 3 is a schematic structural view of the pusher according to the present invention;

fig. 4 is a schematic structural view of the contraceptive pregnancy-burying rod of the present invention.

In the figure: the puncture embedding device comprises an embedding puncture device 1, a needle base 11, a first anti-reverse groove 111, a limiting groove 112, a first through hole 113, a flange 114, a needle tube 12, a needle tube sheath 13, a pusher 2, a core bar 21, a pusher anti-reverse groove 211, a first boss surface 212, an adapter 213, a pusher handle 22, a limiting baffle 23, a limiting baffle body 231, a connecting sheet 232, a self-destruction structure 24, a contraception embedding pregnant rod 3, a polymer rubber tube 31 and a contraceptive medicament 32.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The safety type pre-delivery hypodermic drug needle shown in fig. 1-3 comprises an embedding puncture outfit 1, a pusher 2 and a contraception embedding pregnant rod 3, wherein the contraception embedding pregnant rod 3 is arranged in the pusher 2, and one end of the embedding puncture outfit 1 can extend into the pusher 2 to push the contraception embedding pregnant rod 3 to the subcutaneous part; the embedded puncture outfit 1 comprises a needle seat 11, a needle tube 12 and a needle tube sheath 13, the needle tube 12 is arranged at one end of the needle seat 11, the needle tube sheath 13 is sleeved at one end of the needle seat 11 where the needle tube 12 is arranged, the needle tube sheath 13 can cover the needle tube 12, a first anti-reverse groove 111 is arranged on the inner wall of the needle seat 11, the pusher 2 comprises a core rod 21 and a pusher handle 22, the core rod 21 is arranged at one end of the pusher handle 22, the section diameter of the pusher handle 22 is larger than that of the core rod 21, the core rod 21 can extend into the needle seat 11 and the needle tube 12, a pusher anti-reverse groove 211 is arranged on the outer wall of one end of the core rod 21 close to the pusher handle 22, a first convex table surface 212 is formed between the pusher anti-reverse groove 211 and the core rod 21, and the first convex table surface 212 can be clamped with the first anti-reverse groove 111. The utility model discloses a pusher is equipped with spacing separation blade 23 on the outer wall of core bar 21 before clinical use. The limiting blocking piece 23 comprises a limiting blocking piece body 231 and a group of connecting pieces 232, the group of connecting pieces 232 are arranged between the limiting blocking piece body 231 and the outer wall of the core bar 21, and the limiting blocking piece body 231 is arranged in the limiting groove 112. An adapter 213 is arranged between the core rod 21 and the pusher handle 22, the cross-sectional diameter of the adapter 213 is larger than that of the core rod 21, the cross-sectional diameter of the adapter 213 is smaller than that of the pusher handle 22, and the pusher anti-reverse groove 211 is arranged on the outer wall of the adapter 213. The limiting block body 231 is manually grasped and the connecting pieces 232 are bent, so that the limiting block body 231 is separated from the core rod 21, and the core rod 21 can be pushed into the needle tube 12 by pushing the pusher handle 22 in the clinical use process. A set of limiting grooves 112 is arranged at the end of the needle holder 11 far away from the needle tube 12, and the limiting blocking sheet 23 can be arranged in the limiting grooves 112. The limiting groove 112 is arranged to limit the pusher 2 before clinical use, and prevent the core rod 21 from entering the needle tube 12. In addition, a self-destruct structure 24 is provided at the junction between the mandrel 21 and the pusher handle 22. After the use of forest, the pusher handle 22 is broken off at the self-destruction structure 24, the core rod 21 is left in the needle base 11, at this time, the core rod 21 cannot be taken out, and the self-destruction structure 24 can adopt a multi-piece connecting piece structure made of a breakable material, for example: similar to the principle of the first opening of the beverage closure, the pusher handle 22 is rotated to break the self-destruct structure 24, thereby detaching the pusher handle 22 from the stem 21.

The connection structure of the needle seat 11 and the needle tube 12 is that a first through hole 113 is arranged at the middle position of the needle seat 11 along the axial direction, the first through hole 113 is communicated with the middle through hole of the needle tube 12, the first anti-reverse groove 111 is arranged on the inner wall of the first through hole 113, and the core rod 21 can extend into the middle through hole of the first through hole 113 and the needle tube 12.

In addition, the end surface of the needle seat 11 far away from the needle tube 12 is provided with a flange 114. The flange 114 is provided on the needle holder 11 to facilitate the medical staff to grasp the needle holder 11 by hand and prevent slipping.

The contraceptive pregnancy-embedding rod 3 shown in fig. 4 comprises a polymer rubber hose 31 and a contraceptive medicament 32, wherein the polymer rubber hose 31 is wrapped on the outer wall of the contraceptive medicament 32. The contraceptive buried pregnant rod 3 with the structure has good contraceptive effect, and the contraceptive effective rate reaches more than 99 percent. The contraceptive effect is long, and the contraception can be performed for 1 to 6 years by one-time implantation. And the contraceptive implant has reducibility, and the fertility can be quickly recovered after the contraceptive implant is taken out.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a safe type is sent hypodermic to put medicine needle in advance which characterized in that: the contraceptive puncture outfit comprises an embedding puncture outfit (1), a push outfit (2) and a contraceptive puncture outfit (3), wherein the contraceptive puncture outfit (3) is arranged in the push outfit (2), and one end of the embedding puncture outfit (1) can extend into the push outfit (2) to push the contraceptive puncture outfit (3) to the subcutaneous part; wherein, the implantation puncture outfit (1) comprises a needle seat (11), a needle tube (12) and a needle tube sheath (13), the needle tube (12) is arranged at one end of the needle seat (11), the needle tube sheath (13) is sleeved at one end of the needle seat (11) where the needle tube (12) is arranged, the needle tube sheath (13) can cover the needle tube (12), the inner wall of the needle seat (11) is provided with a first anti-reverse groove (111), the pusher (2) comprises a core bar (21) and a pusher handle (22), the core bar (21) is arranged at one end of the pusher handle (22), the section diameter of the pusher handle (22) is larger than that of the core bar (21), the core bar (21) can extend into the needle seat (11) and the needle tube (12), the outer wall of one end of the core bar (21) close to the pusher handle (22) is provided with a pusher anti-reverse groove (211), a first boss surface (212) is formed between the pusher anti-reverse groove (211) and the core rod (21), and the first boss surface (212) can be clamped with the first anti-reverse groove (111).

2. The safety pre-delivery hypodermic needle according to claim 1, wherein: the outer wall of the core rod (21) is provided with a limiting baffle (23).

3. The safety pre-delivery hypodermic needle according to claim 2, wherein: the end part of the needle seat (11) far away from the needle tube (12) is provided with a group of limiting grooves (112), and the limiting blocking piece (23) can be arranged in the limiting grooves (112).

4. The safety pre-delivery hypodermic needle according to claim 1, wherein: a self-destruction structure (24) is arranged at the connecting part between the core rod (21) and the pusher handle (22).

5. The safety pre-delivery hypodermic needle according to claim 1, wherein: the contraceptive buried pregnant rod (3) comprises a polymer rubber tube (31) and a contraceptive medicament (32), wherein the polymer rubber tube (31) is wrapped on the outer wall of the contraceptive medicament (32).

6. The safety pre-delivery hypodermic needle according to claim 2, wherein: the limiting blocking piece (23) comprises a limiting blocking piece body (231) and a group of connecting pieces (232), the group of connecting pieces (232) are arranged between the limiting blocking piece body (231) and the outer wall of the core rod (21), and the limiting blocking piece body (231) is arranged in the limiting groove (112).

7. The safety pre-delivery hypodermic needle according to claim 1, wherein: the needle base (11) is provided with a first through hole (113) along the axial middle position, the first through hole (113) is communicated with the middle through hole of the needle tube (12), the first anti-reverse groove (111) is arranged on the inner wall of the first through hole (113), and the core rod (21) can extend into the middle through hole of the first through hole (113) and the needle tube (12).

8. The safety pre-delivery hypodermic needle according to claim 1, wherein: the end surface of the needle seat (11) far away from the needle tube (12) is provided with a flange (114).

9. The safety pre-delivery hypodermic needle according to claim 1, wherein: an adapter part (213) is arranged between the core rod (21) and the pusher handle (22), the section diameter of the adapter part (213) is larger than that of the core rod (21), the section diameter of the adapter part (213) is smaller than that of the pusher handle (22), and the pusher anti-reverse groove (211) is arranged on the outer wall of the adapter part (213).

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