CN209916924U

CN209916924U - Disposable precision liquid medicine filter with needle

Info

Publication number: CN209916924U
Application number: CN201821902086.7U
Authority: CN
Inventors: 陶娟娟
Original assignee: Nanjing Childrens Hospital of Nanjing Medical University
Current assignee: Nanjing Childrens Hospital of Nanjing Medical University
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2020-01-10
Anticipated expiration: 2028-11-19

Abstract

The utility model relates to the technical field of machinery, in particular to a disposable precise liquid medicine filter with a needle, which comprises a filter, wherein hoses are inserted into two sides of the filter, a joint is inserted into one end of each hose, the other end of each hose is connected with an injection needle, one side of the injection needle is connected with a limit sleeve, the bottom end of the injection needle is provided with a sleeve column, one side of the sleeve column is provided with a needle handle, one side of the needle handle is provided with a through hole, one side of the limit sleeve is provided with an inner cavity, and one side of the inner; the utility model, by connecting the injection needle at one end of the hose as a part of the filter, avoids the pollution caused by adding the needle and is easy to operate when the filter is used; the stop collar is connected to the needle handle sleeve, and after the vein insertion needle, the double-faced adhesive tape can be directly fixed on skin, when the needle is pulled out, only the stop block needs to be pulled open, the limit column is separated from the through hole, the needle handle can be moved out, the adhesive tape is not required to be prepared in advance, the fixing mode is simple and rapid, and the needle handle is convenient and practical.

Description

Disposable precision liquid medicine filter with needle

Technical Field

The utility model relates to the technical field of machinery, specifically be disposable accurate liquid medicine filter area needle.

Background

Precision medical fluid filters, typically consisting of an infusion hose, a medical fluid filter and a connector, enable a portion of an intravenous set to filter particles having a diameter of 5 microns and less.

Still need external syringe needle again in clinical work, its probability that increases the pollution also makes clinical care work more loaded down with trivial details simultaneously, and the syringe needle inserts behind the vein in addition, needs the adhesive tape to bond fixedly, and its operation is troublesome inconvenient. In view of this, we propose a disposable precision liquid medicine filter with needle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable accurate liquid medicine filter area needle to general filter that provides in solving above-mentioned background art needs to add the syringe needle in addition, pollutes easily and takes trouble and fixed syringe needle trouble inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the disposable precise liquid medicine filter band needle comprises a filter, hoses are inserted into two sides of the filter, a connector is inserted into one end of each hose, a syringe needle is connected to the other end of each hose, one side of the syringe needle is connected with a limiting sleeve, a sleeve column is arranged at the bottom end of the syringe needle, a needle handle is arranged on one side of the sleeve column, a through hole is formed in one side of the needle handle, an inner cavity is formed in one side of the limiting sleeve, an opening is formed in one side of the inner cavity, a limiting block is arranged on one side of the opening, a shifting block is arranged on one end side face of the limiting block, and a limiting column is arranged on one.

Preferably, the bottom surface of the sleeve column is provided with a convex column, and the convex column is tightly inserted with the hose.

Preferably, the injection needle is in close plug fit with the sleeve column.

Preferably, the interior of the sleeve and the convex column are communicated with the interior of the injection needle.

Preferably, the inner cavity is in snap fit with the needle handle.

Preferably, the limiting column is matched with the through hole in a clamping mode.

Preferably, a double-sided adhesive tape is bonded to one side of the limiting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this accurate liquid medicine filter of disposable takes needle through connecting the injection needle at hose one end, as the partly of filter for when using the filter, directly take and inject work, avoid polluting and the operation is light saves time.

2. This accurate liquid medicine filter of disposable area needle is at the needle handle overcoat stop collar of syringe needle to at one side bonding double faced adhesive tape of stop collar, behind the vein contact pin, directly make double faced adhesive tape just can fix on skin, when pulling out the needle, only need pull open the stopper, make spacing post break away from the through-hole, alright shift out the needle handle, this is fixed need not to prepare the adhesive tape in advance, and fixed mode is simple swift, the practicality of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the injection needle of the present invention;

FIG. 3 is a schematic view of the structure of the stop collar of the present invention;

FIG. 4 is a schematic view of the structure of the utility model for opening the limiting block;

fig. 5 is a schematic view of a structure on one side of the stop collar of the present invention.

In the figure: 1. a filter; 2. a hose; 3. a joint; 4. an injection needle; 40. sleeving a column; 400. a convex column; 41. a needle handle; 410. a through hole; 5. a limiting sleeve; 50. an inner cavity; 51. an opening; 52. a limiting block; 53. shifting blocks; 54. a limiting column; 55. and (4) double-sided adhesive tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention, and in the description of the present invention, "a plurality" means two or more unless there is an explicit specific limitation.

Example 1

The invention discloses a disposable precise liquid medicine filter with a needle, and aims to avoid the trouble of adding a needle head to the filter, the inventor arranges a syringe needle 4 at one end of a hose 2, as a preferred embodiment, as shown in figures 1 and 2, the filter comprises a filter 1, the hose 2 is inserted into two sides of the filter 1, a connector 3 is inserted into one end of the hose 2, the other end of the hose 2 is connected with the syringe needle 4, one side of the syringe needle 4 is connected with a limiting sleeve 5, a sleeve column 40 is arranged at the bottom end of the syringe needle 4, a needle handle 41 is arranged on one side of the sleeve column 40, and a through hole 410 is arranged on one side.

In this embodiment, the injection needle 4, the sleeve column 40 and the needle handle 41 are integrally made of injection molding and rubber coating, wherein the injection needle 4 is made of stainless steel to avoid rusting, and the rest of the injection needles are made of PP (polypropylene) materials, so that the injection needles are light and strong, and are durable.

Specifically, the bottom surface of the sleeve column 40 is provided with a convex column 400, and the convex column 400 is tightly inserted with the hose 2, so that the injection needle 4, the filter 1 and the hose 2 are integrated, and the filter 1 can be integrally taken when used.

Further, the injection needle 4 is tightly inserted and matched with the sleeve column 40, and is manufactured through an injection molding and encapsulation process, and the injection needle is firm and sealed.

In addition, the insides of the sleeve 40 and the convex column 400 are communicated with the inside of the injection needle 4, which facilitates the circulation of the liquid medicine.

Example 2

As the utility model discloses a second kind of embodiment, in order to make syringe needle 4 fixed more swift, the inventor has set up stop collar 5, as an preferred embodiment, as shown in fig. 3, fig. 4 and fig. 5, inner chamber 50 has been seted up to one side of stop collar 5, and opening 51 has been seted up to one side of inner chamber 50, and one side of opening 51 is equipped with stopper 52, and the one end side department of stopper 52 is equipped with shifting block 53, and one side of stopper 52 is equipped with spacing post 54.

In the embodiment, the limiting sleeve 5 is made of silica gel, is soft and flexible, and is comfortable when being attached to the skin.

Specifically, the inner cavity 50 is matched with the needle handle 41 in a clamping way, and the sleeve column needle handle 41 is connected into a whole.

Furthermore, the limiting column 54 is matched with the through hole 410 in a clamping way, so that the needle handle 41 is limited, and the injection needle 4 is prevented from being accidentally slipped off.

In addition, the double-sided adhesive tape 55 is adhered to one side of the limiting sleeve 5, the injection needle 4 is fixed by adhering the double-sided adhesive tape 55 to the skin, when the needle is pulled out, the limiting block 52 is pulled open, the limiting column 54 is separated from the through hole 410, and the needle handle 41 can be moved out.

The utility model discloses a disposable precision liquid medicine filter takes the needle before using, wholly takes filter 1, makes on connecting the pipe of venous transfusion system 3 to make the liquid medicine flow into in the filter 1.

When the double-sided adhesive needle is used, the needle sleeve of the injection needle 4 is pulled out, the limiting sleeve 5 is sleeved into the needle handle 41, the limiting column 54 is clamped in the through hole 410 and connected into a whole, the thin film of the double-sided adhesive 55 is torn off at the moment, the injection needle 4 is inserted into a vein on the back of a hand, and then the needle handle 41 is directly pressed to enable the double-sided adhesive 55 to be adhered to the skin to realize fixation.

After use, namely after the transfusion is finished, the shifting block 53 is held and lifted, so that the limiting column 54 is separated from the through hole 410, at the moment, the needle handle 41 can be removed from the opening 51, and the limiting sleeve 5 is torn off and thrown into a garbage can.

The effectual pollution of avoiding increasing the syringe needle and bringing of this structure alleviates medical personnel's working strength, and the fixed syringe needle is light convenient simultaneously.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Accurate liquid medicine filter of disposable area needle, including filter (1), the both sides of filter (1) are pegged graft and are had hose (2), the one end of hose (2) is pegged graft and is had joint (3), the other end of hose (2) is connected with syringe needle (4), one side of syringe needle (4) is connected with stop collar (5), its characterized in that: the bottom of syringe needle (4) is equipped with cover post (40), one side of cover post (40) is equipped with needle handle (41), through-hole (410) have been seted up to one side of needle handle (41), inner chamber (50) have been seted up to one side of stop collar (5), opening (51) have been seted up to one side of inner chamber (50), one side of opening (51) is equipped with stopper (52), the one end side department of stopper (52) is equipped with shifting block (53), one side of stopper (52) is equipped with spacing post (54).

2. A single-use precision medical fluid filter band needle as claimed in claim 1, wherein: the bottom surface of the sleeve column (40) is provided with a convex column (400), and the convex column (400) is tightly inserted with the hose (2).

3. A single-use precision medical fluid filter band needle as claimed in claim 1, wherein: the injection needle (4) is tightly inserted and matched with the sleeve column (40).

4. A single-use precision medical fluid filter band needle as claimed in claim 2, wherein: the insides of the sleeve column (40) and the convex column (400) are communicated with the inside of the injection needle (4).

5. A single-use precision medical fluid filter band needle as claimed in claim 1, wherein: the inner cavity (50) is matched with the needle handle (41) in a clamping mode.

6. A single-use precision medical fluid filter band needle as claimed in claim 1, wherein: the limiting column (54) is matched with the through hole (410) in a clamping mode.

7. A single-use precision medical fluid filter band needle as claimed in claim 1, wherein: and a double-sided adhesive tape (55) is bonded on one side of the limiting sleeve (5).