CN211536029U - Medical syringe needle fastener - Google Patents

Abstract

The utility model provides a medical syringe needle fastener, which comprises a syringe needle main body, a syringe needle fixing ring and a syringe needle connecting and fixing block; a needle head connecting and fixing block is fixedly arranged on the outer side of the top of the injector nipple; the bottom of the needle head main body is also fixedly connected with a needle tube. Setting of syringe needle main part, be favorable to improving the convenience of use, align and upwards promote the round hole at syringe needle main part top and the papillary bottom of syringe during the use earlier, the bottom of fixed block is connected to the top and the syringe needle of syringe needle main part is laminated mutually, at this moment, the solid fixed ring of clockwise rotation syringe needle, the solid fixed ring of syringe needle can be rotatory and remove to the syringe needle connection fixed block outside in the syringe needle main part outside this moment, rotatory ten rings of back stops can, at this moment the solid fixed ring of syringe needle alright with syringe needle main part and syringe needle connection fixed block locking together, thereby can firmly fix the syringe needle, and this device integral part is less, it is also fairly simple during the equipment is made, convenience during the use.

Description

Medical syringe needle fastener

Technical Field

The utility model belongs to the technical field of medical instrument, more specifically say, in particular to medical syringe needle binding.

Background

With the continuous improvement of the quality of life of people, the shaping and beauty industry develops vigorously, and particularly, a plurality of large professional medical beauty institutions get the keen attention of vast beauty-seeking people at present, such as: the new ideas and new medical technologies of beauty plus health, micro-plastic fashion beauty, facial rejuvenation, ring fixation liposuction aspiration and the like are developed, and in many plastic beauty projects, high-pressure injection is needed in the treatment of filling, fat transplantation and the like, because the viscosity of injection is high, and the injection thrust is increased correspondingly. High pressure injections are typically accomplished using conventional medical syringes equipped with a dedicated pusher. However, when the injection pressure is greater than the self-locking friction force on the conical contact surface between the needle and the needle tube, the needle often falls off, which affects the normal operation, so that some needle fastening structures are present.

For example, application No. 201220268627.1 discloses a medical needle fastener including a needle, a cannula, a pushrod, a hub, a gland, a friction sleeve, and a hollow tip. The center hole of the hollow jackscrew is larger than the excircle of the needle head and smaller than the outer diameter of the flange of the needle head, the hollow jackscrew is sleeved on the needle head and is in threaded connection with one end of the sleeve, the other end of the sleeve is internally sleeved with the friction sleeve and is in threaded connection with one end of the gland by external threads, and meanwhile, the friction sleeve is in threaded connection with the friction sleeve by internal threads and is sleeved with the needle tube. The utility model has the advantages of ingenious and reasonable design, convenient and reliable use and simple and easy manufacture.

Based on the above search, the above patent also combines with most needle fastening devices in the prior art, which have the following problems in use: the existing needle head fastening device is mostly firm in clamping through a clamping device, more parts are needed during manufacturing, the fastening structure is complex, the assembly is troublesome, the operation is complex during the use, and the manufacturing cost is high.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a medical syringe needle fastener is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a medical treatment syringe needle binding to it is firm to solve present syringe needle fastener and carry out the clamping through clamping device more, need be with more part during manufacturing, and fastening structure is more complicated, and is more troublesome during the equipment, and the operation is also more loaded down with trivial details during the use moreover, makes the higher problem of cost.

The purpose and the efficacy of the medical syringe needle fastener of the utility model are achieved by the following specific technical means:

a medical syringe needle fastener comprises an injector, a needle main body, a needle fixing ring, a needle tube, a needle connecting fixing block and an injector nipple; the bottom of the injector is fixedly provided with an injector nipple; a needle head connecting and fixing block is fixedly arranged on the outer side of the top of the injector nipple; a needle head fixing ring is movably arranged on the outer side of the needle head main body; the bottom of the needle head main body is also fixedly connected with a needle tube.

Further, the outside that the fixed block was connected to the syringe needle is provided with the external screw thread structure, and the top outside of syringe needle main part also is provided with the same external screw thread, and the external diameter size that the fixed block was connected to the syringe needle equals with the external diameter size in the syringe needle main part top outside.

Furthermore, the needle head main body is of a funnel-shaped structure, and a round hole matched with the outer diameter of the injector nipple is fixedly arranged on the inner side of the top of the needle head main body.

Further, the fixed ring's of syringe needle inboard is provided with the internal thread corresponding with the external screw thread that the fixed block was connected to the syringe needle and the syringe needle main part outside, and the fixed ring of syringe needle passes through screw thread movable mounting in the top outside of syringe needle main part.

Furthermore, two sealing rubber rings are fixedly arranged on the outer side of the injector nipple.

Compared with the prior art, the utility model discloses following beneficial effect has:

setting of syringe needle main part, be favorable to improving the convenience of use, align and upwards promote the round hole at syringe needle main part top and the papillary bottom of syringe during the use earlier, the bottom of fixed block is connected to the top and the syringe needle of syringe needle main part is laminated mutually, at this moment, the solid fixed ring of clockwise rotation syringe needle, the solid fixed ring of syringe needle can be rotatory and remove to the syringe needle connection fixed block outside in the syringe needle main part outside this moment, rotatory ten rings of back stops can, at this moment the solid fixed ring of syringe needle alright with syringe needle main part and syringe needle connection fixed block locking together, thereby can firmly fix the syringe needle, and this device integral part is less, it is also fairly simple during the equipment is made, convenience during the use.

Drawings

Fig. 1 is a schematic view of the structure of the needle body of the present invention after being installed.

Fig. 2 is a schematic view of the structure of the needle fixing ring of the present invention after being loosened.

Fig. 3 is a schematic view of the structure of the syringe needle after the syringe needle main body is detached.

Fig. 4 is a schematic diagram of a partially enlarged structure of fig. 2 according to the present invention.

Fig. 5 is a schematic view of the structure of the needle head body of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an injector; 2. a needle body; 3. a needle head fixing ring; 4. a needle tube; 5. the needle head is connected with the fixed block; 6. A syringe nipple.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a medical syringe needle fastener, which comprises an injector 1, a syringe needle main body 2, a syringe needle fixing ring 3, a needle tube 4, a syringe needle connecting fixing block 5 and an injector nipple 6; the bottom of the injector 1 is fixedly provided with an injector nipple 6; a needle head connecting and fixing block 5 is fixedly arranged on the outer side of the top of the injector nipple 6; a needle head fixing ring 3 is movably arranged on the outer side of the needle head main body 2; the bottom of the needle head main body 2 is also fixedly connected with a needle tube 4.

Wherein, the outside that fixed block 5 was connected to the syringe needle is provided with the external screw thread structure, the top outside of syringe needle main part 2 also is provided with the same external screw thread, and the external diameter size that fixed block 5 was connected to the syringe needle equals with the external diameter size in the 2 top outsides of syringe needle main part, align and upwards promote the round hole at 2 tops of syringe needle main part earlier during the use with the bottom of syringe nipple 6, laminate mutually up to the bottom that fixed block 5 was connected to the top of syringe needle main part 2 and syringe needle, at this moment the solid fixed ring 3 of clockwise rotation syringe needle, the solid fixed ring 3 of syringe needle can be rotatory and move to the 5 outsides of syringe needle connection fixed block in the 2 outsides of syringe needle main part this moment, it can to stop after rotatory ten rings of circles, at this.

Wherein, syringe needle main part 2 is a funnel-shaped structure, and its top inboard fixed be provided with one with 6 external diameter size match's of syringe nipple round hole, syringe needle main part 2 can upwards promote to install in the outside of syringe nipple 6.

Wherein, the inboard of the solid fixed ring of syringe needle 3 is provided with the corresponding internal thread of external screw thread in the outside of being connected fixed block 5 and syringe needle main part 2 with the syringe needle, and the solid fixed ring of syringe needle 3 passes through screw thread movable mounting in the top outside of syringe needle main part 2, align the round hole at syringe needle main part 2 top and the bottom of syringe nipple 6 and upwards promote earlier during the use, laminate with the bottom that fixed block 5 is connected to the syringe needle up to the top of syringe needle main part 2, at this moment the solid fixed ring of clockwise rotation syringe needle 3, the solid fixed ring of syringe needle 3 can be rotatory and connect the fixed block 5 outside to the syringe needle and remove in the 2 outsides of syringe needle this moment, the back is stopped after rotatory ten rings of ten rings, at this moment the solid.

Wherein, the outside of syringe nipple 6 is fixed mounting still has two sealed rubber rings, and syringe needle main part 2 can upwards promote to install in the outside of syringe nipple 6, and the leakproofness of hookup location can be guaranteed to the sealed rubber ring in the syringe nipple 6 outside.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, when using this device, align the round hole at 2 tops of syringe needle main part with the bottom of syringe nipple 6 and upwards promote earlier, laminate mutually the bottom that fixed block 5 is connected to the top and the syringe needle of syringe needle main part 2, at this moment the solid fixed ring 3 of clockwise rotation syringe needle, the solid fixed ring 3 of syringe needle can be rotatory and remove to the 5 outsides of syringe needle connection fixed block in the 2 outsides of syringe needle main part this moment, rotatory ten rings of back stops can, at this moment the solid fixed ring 3 of syringe needle alright with syringe needle connection fixed block 5 locks together, thereby can firmly fix the syringe needle, and this device whole part is less, it is also fairly simple when the equipment is made, convenience when using the operation also obtains obviously improving.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (3)

1. A medical needle fastener, characterized in that: the medical syringe needle fastener comprises an injector (1), a needle main body (2), a needle fixing ring (3), a needle tube (4), a needle connecting and fixing block (5) and an injector nipple (6); the bottom of the injector (1) is fixedly provided with an injector nipple (6); a needle head connecting and fixing block (5) is fixedly arranged on the outer side of the top of the injector nipple (6); a needle head fixing ring (3) is movably arranged on the outer side of the needle head main body (2); the bottom of the needle head main body (2) is also fixedly connected with a needle tube (4); the outer side of the needle head connecting and fixing block (5) is provided with an external thread structure, the outer side of the top of the needle head main body (2) is also provided with the same external thread, and the outer diameter of the needle head connecting and fixing block (5) is equal to the outer diameter of the top of the needle head main body (2); the inboard of the solid fixed ring of syringe needle (3) is provided with the internal thread corresponding with the external screw thread in the syringe needle connection fixed block (5) and syringe needle main part (2) outside, and the solid fixed ring of syringe needle (3) passes through the top outside of screw thread movable mounting in syringe needle main part (2).

2. The medical needle fastener of claim 1, wherein: the syringe needle main body (2) is of a funnel-shaped structure, and a round hole matched with the outer diameter of the syringe nipple (6) is fixedly arranged on the inner side of the top of the syringe needle main body.

3. The medical needle fastener of claim 1, wherein: two sealing rubber rings are fixedly arranged on the outer side of the injector nipple (6).

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