CN217014924U

CN217014924U - Straight venous indwelling needle with precise filtering medicine feeding port

Info

Publication number: CN217014924U
Application number: CN202122598827.5U
Authority: CN
Inventors: 杨胜月; 宋腾腾; 王安康
Original assignee: Jiakang Medical Equipment Qingdao Co ltd
Current assignee: Jiakang Medical Equipment Qingdao Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-07-22
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a straight venous indwelling needle with a precise filtering medicine adding port, which relates to the technical field of medical appliance articles and comprises a needle assembly and a catheter assembly, wherein a butt joint and a needle head are fixedly sleeved outside the needle assembly. This take straight type vein of secondary filter with medicine mouth to keep somewhere needle, use through catheter subassembly and volume with medicine mouth and syringe needle and the cooperation of mixing the mouth, make this take straight type vein of secondary filter with medicine mouth keep somewhere needle can assemble needle subassembly and catheter subassembly through butt joint groove and butt joint, needle subassembly and catheter subassembly back of assembling, the liquid medicine of input can be internal through needle subassembly and syringe needle input patient, when needing to add the medicine simultaneously, medical personnel can directly add the medicine in the guide pipe subassembly through adding medicine mouth, the liquid medicine is inside the back input socket in getting into the catheter subassembly, because the socket joint cup joints the outside at the syringe needle, consequently, the liquid medicine that adds can be through in the outside mixed mouthful input syringe needle of syringe needle.

Description

Straight venous indwelling needle with precise filtering medicine feeding port

Technical Field

The utility model relates to the technical field of medical appliance articles, in particular to a straight venous indwelling needle with a precise filtering medicine adding port.

Background

The venous indwelling needle is an infusion tool which is composed of a stainless steel core, a soft outer sleeve and a plastic needle seat, wherein the outer sleeve and the needle core are inserted into a blood vessel during puncture, and after the sleeve is sent into the blood vessel, the needle core is drawn out, and only the soft outer sleeve is left in the blood vessel for infusion.

The existing indwelling needle has no function of filtering liquid medicine when in transfusion and medicine adding, in recent years, researchers find that insoluble particles in the liquid medicine inevitably enter a human body through intravenous transfusion or intravenous injection, the average diameter of capillary vessels in the human body is only 7-9 microns, the minimum diameter is 4 microns, if the liquid medicine is subjected to ordinary transfusion, particles with the diameter exceeding 4 microns in the liquid medicine are accumulated in the capillary vessels, so that acute reaction or potential danger can be caused, the harm is serious and lasting, and therefore, a straight venous indwelling needle with a precise filtering medicine adding opening is designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a straight vein indwelling needle with a precise filtering medicine feeding port, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a take straight type vein of secondary filter dosing mouth to keep somewhere needle, includes needle subassembly and catheter subassembly, the fixed cover in outside of needle subassembly is equipped with butt joint and syringe needle, the outside of catheter subassembly is seted up with butt joint assorted butt joint groove, and the fixed cover in outside of catheter subassembly be equipped with syringe needle assorted bell and spigot joint pipe, the outside fixed mounting of catheter subassembly has holds the needle handle, and the dosing mouth has been seted up to the outside of catheter subassembly.

Furthermore, a mixing port is formed in the outer portion of the needle head, and the needle head is made of medical stainless steel.

Furthermore, a liquid medicine filtering liquid film is fixedly sleeved in the medicine feeding port.

Furthermore, the length value of the sleeve is smaller than that of the needle head, and a rubber pad is arranged at the left end of the sleeve.

Further, the conduit assembly is in communication with the ferrule.

Furthermore, the catheter assembly and the needle holding handle are both made of medical plastics, and friction grains which are uniformly distributed are arranged outside the needle holding handle.

The utility model provides a straight venous indwelling needle with a precise filtering medicine feeding port, which has the following beneficial effects:

1. this take straight type vein of secondary filter with medicine mouth to keep somewhere needle, it uses with medicine mouth and syringe needle and the cooperation of mixing the mouth to add medicine mouth through tubing assembly and volume, make this take straight type vein of secondary filter with medicine mouth to keep somewhere the needle can be through butt joint with the needle subassembly assembly with the butt joint, needle subassembly and tubing assembly back, the liquid medicine of input can be internal through needle subassembly and syringe needle input patient, when needing to add the medicine simultaneously, medical personnel can directly add the medicine in adding medicine mouth to the tubing assembly, the liquid medicine gets into the back input socket inside the tubing assembly, because the socket joint cup joints the outside at the syringe needle, consequently, the liquid medicine that adds can be through in the outside mixed mouthful input syringe needle of syringe needle, then it is internal to get into the patient, thereby be convenient for going on of adding medicine work.

2. This take straight type vein of secondary filter with medicine mouth to keep somewhere needle, use through the cooperation of catheter subassembly and medicine mouth and liquid medicine filtration liquid film, make this take straight type vein of secondary filter with medicine mouth keep somewhere the needle and seted up in the outside of catheter subassembly with medicine mouth and conveniently add going on of medicine operation, the inside that adds the medicine mouth has set up liquid medicine filtration liquid film simultaneously, the in-process of liquid medicine input catheter subassembly need be through liquid medicine filtration liquid film, the liquid medicine filters the particle that the liquid film can filter out 2 mu m and above, thereby avoid in the liquid medicine particle accumulation to lead to acute reaction or potential danger in capillary, thereby guarantee patient safety, alleviate nursing work burden.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the liquid membrane of the liquid medicine filter of the present invention;

FIG. 3 is a schematic view of the construction of the needle assembly of the present invention;

fig. 4 is a schematic view of the assembled structure of the present invention.

In the figure: 1. a needle assembly; 2. a catheter assembly; 3. a medicine adding port; 4. filtering the liquid membrane of the liquid medicine; 5. a needle holding handle; 6. sleeving a pipe; 7. a needle head; 8. a protective tube; 9. a butt joint groove; 10. a butt joint; 11. a mixing port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a straight vein indwelling needle with a precise filtering medicine adding port comprises a needle assembly 1 and a catheter assembly 2, wherein a butt joint 10 and a needle 7 are fixedly sleeved outside the needle assembly 1, a butt joint groove 9 matched with the butt joint 10 is formed outside the catheter assembly 2, a sleeve 6 matched with the needle 7 is fixedly sleeved outside the catheter assembly 2, a needle holding handle 5 is fixedly installed outside the catheter assembly 2, a medicine adding port 3 is formed outside the catheter assembly 2, a mixed port 11 is formed outside the needle 7, the needle 7 is made of medical stainless steel, the needle 7 is mainly used for inputting liquid medicine into a patient, in order to ensure the puncture effect of the needle 7, the needle 7 is made of medical stainless steel, the mixed port 11 formed outside the needle 7 can facilitate the communication between the needle 7 and the sleeve 6, the sleeve 6 and the needle 7 can be kept communicated through the mixed port 11 after the catheter assembly 2 and the needle assembly 1 are assembled, thereby being convenient for the liquid medicine in the conduit assembly 2 to be input into the needle 7, and finally inputting the liquid medicine into the body of the patient, the liquid medicine filtering liquid film 4 is fixedly sleeved in the medicine adding opening 3, the medical care personnel can realize the medicine adding operation through the medicine adding opening 3, because the particles with the diameter exceeding 4 μm in the liquid medicine can be accumulated in the capillary and can cause acute reaction or potential danger, the liquid medicine filtering liquid film 4 is arranged in the medicine adding opening 3, the liquid medicine is required to pass through the liquid medicine filtering liquid film 4 in the process of being input into the conduit assembly 2, the liquid medicine filtering liquid film 4 can filter out the particles with the diameter of 2 μm and above, thereby preventing the particles in the liquid medicine from being accumulated in the capillary and causing acute reaction or potential danger, ensuring the safety of the patient, the principle and the using process of the liquid medicine filtering liquid film 4 are the same as the prior art, no repeated description is given here, the length value of the sleeve 6 is smaller than the length value of the needle 7, and the left end of sleeve pipe 6 is provided with the rubber pad, and after needle subassembly 1 and catheter subassembly 2 dock, because the length value of sleeve pipe 6 is less than the length value of syringe needle 7, therefore the end of syringe needle 7 can pass the rubber pad of sleeve pipe 6 left end to extend to the outside of sleeve pipe 6, guarantee that the length that syringe needle 7 stretches out can prick patient internal, the rubber pad of sleeve pipe 6 left end can guarantee sealed after sleeve pipe 6 and syringe needle 7 cup joint, guarantee that the liquid medicine of follow-up interpolation can only get into in syringe needle 7 through the outside mixed mouth 11 of syringe needle 7.

Referring to fig. 1 and 4, the catheter assembly 2 is communicated with the sleeve 6, the catheter assembly 2 is mainly used for assisting in medicine adding, a medicine adding port 3 is formed outside the catheter assembly 2, the medicine adding port 3 is communicated with a medicine adding infusion tube during medicine adding, added medicine liquid can be input into the catheter assembly 2, the medicine liquid is input into a needle 7 through the catheter assembly 2 and the sleeve 6 and finally input into a patient, the catheter assembly 2 and the needle holding handle 5 are made of medical plastics, friction grains which are uniformly distributed are arranged outside the needle holding handle 5, the needle holding handle 5 is used for assisting medical workers to insert the needle 7 into the patient, the overall grabbing volume of the device is increased, the operation of the medical workers is facilitated, and the friction grains which are uniformly distributed are arranged outside the needle holding handle 5 to increase friction force.

In conclusion, when the straight venous indwelling needle with the precise filtering medicine adding port is used, the butt joint groove 9 outside the catheter component 2 is aligned and butted with the butt joint 10 outside the needle component 1, the tail end of the needle 7 penetrates through the sleeve joint pipe 6 and extends to the outside of the sleeve joint pipe 6, the protective pipe 8 outside the catheter component 2 is pulled down, the needle 7 is inserted into the body of a patient, medicine liquid is input into the body of the patient through the needle component 1 and the needle 7, when medicine adding work needs to be carried out, the medicine adding port 3 is communicated with a medicine adding infusion pipe, added medicine liquid enters the catheter component 2 after being filtered by the medicine liquid filtering liquid film 4, enters the inside of the catheter component 2 and then is input into the sleeve joint pipe 6, the sleeve joint pipe 6 is sleeved outside the needle 7, added medicine liquid is input into the needle 7 through the mixing port 11 outside the needle 7 and finally enters the body of the patient, and the assembling and using processes of the whole straight venous indwelling needle with the precise filtering medicine adding port are completed, and (4) finishing.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take straight type vein indwelling needle of fine filtration dosing mouth, includes needle subassembly (1) and catheter subassembly (2), its characterized in that: the externally fixed cover of needle subassembly (1) is equipped with butt joint (10) and syringe needle (7), the outside of tubing assembly (2) is seted up with butt joint (10) assorted butt joint groove (9), and the externally fixed cover of tubing assembly (2) is equipped with syringe needle (7) assorted socket pipe (6), the externally fixed mounting of tubing assembly (2) has holds needle handle (5), and the outside of tubing assembly (2) has seted up with medicine mouth (3).

2. The straight venous indwelling needle with the precise filtering medicine adding port according to claim 1, is characterized in that: the outer part of the needle head (7) is provided with a mixing port (11), and the needle head (7) is made of medical stainless steel.

3. The straight venous indwelling needle with the precise filtering medicine adding port according to claim 1, is characterized in that: a liquid medicine filtering liquid film (4) is fixedly sleeved in the medicine adding opening (3).

4. The straight venous indwelling needle with the precise filtering medicine adding port according to claim 1, is characterized in that: the length value of the sleeve pipe (6) is smaller than that of the needle head (7), and a rubber pad is arranged at the left end of the sleeve pipe (6).

5. The straight venous indwelling needle with the precise filtering medicine adding port according to claim 1, which is characterized in that: the catheter component (2) and the sleeve (6) are communicated with each other.

6. The straight venous indwelling needle with the precise filtering medicine adding port according to claim 1, which is characterized in that: the catheter assembly (2) and the needle holding handle (5) are both made of medical plastics, and friction grains which are uniformly distributed are arranged outside the needle holding handle (5).