CN214859984U

CN214859984U - Remaining needle with good sealing effect and convenient insertion of isolating plug

Info

Publication number: CN214859984U
Application number: CN202023112346.0U
Authority: CN
Inventors: 陈伟娟
Original assignee: Shanghai Jia More Medical Equipment Co ltd
Current assignee: Shanghai Jia More Medical Equipment Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-11-26
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to the technical field of medical appliances, specifically be a sealed effectual needle of keeping somewhere that is convenient for insert and establish isolation plug, including device body, fixed establishment and fixture, the device body includes the needle body, the inside of needle body is inserted and is equipped with the pipe, fixed establishment includes the software pipeline, the software pipeline has been seted up to the inside of needle body, the outside fixedly connected with plastic tubing of pipe, the inside sliding connection of pipe has first spring, the first fixed block of right side fixedly connected with of pipe, the tensile pole of top fixedly connected with of first spring, the inside fixedly connected with torsion spring of pipe. The utility model discloses a first spring is at the inside sliding connection of spout, and tensile pole one end extends to the pipe outside, and the other end extends to first fixed block outside, is favorable to reaching the pipe and closes for needle body and plastic tubing closely laminate, have increased the leakproofness of connecting.

Description

Remaining needle with good sealing effect and convenient insertion of isolating plug

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a sealed remaining needle with good sealing effect and convenient insertion of an isolating plug.

Background

The use of remaining needle can reduce the misery that the infant caused because of relapse venipuncture and the fear of making a needle, alleviate the headings's anxiety, the clinical medicine of being convenient for, urgent, critical patient's rescue is used medicine, alleviate nurse's work load, it is painful to reduce the infant, therefore the vein is kept somewhere the needle and is being used widely in clinic, in the face of this special colony of infant, the length of vein is kept somewhere needle and the comfort of infant becomes nurse and the headings's problem of paying attention to, also is the prerequisite of sign and popularization that the needle of keeping somewhere was used successfully.

The venous indwelling needle consists of the following structures: the device comprises a white end cap, a positive pressure valve, a positive pressure joint, an extension pipe, a single-hand clamp, a needle holding handle, a white isolating plug, a transparent tee joint, a catheter, a steel needle and the like. When the existing indwelling needle is used, the white isolating plug is fixed, and under the influence of external acting force, the pipeline is deformed, so that the fitting degree between the inner wall of the pipeline and the white isolating plug is reduced, the sealing effect is poor, meanwhile, the installation mode is traditional, air is easy to permeate, the time for detention of the indwelling needle is greatly influenced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual needle of keeping somewhere of establishing isolation stopper of being convenient for to insert to solve the sealed poor problem of effect of isolation stopper that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an indwelling needle with good sealing effect and convenient insertion of an isolating plug comprises a device body, a fixing mechanism and a clamping mechanism, wherein the device body comprises a needle body, a catheter is inserted in the needle body, the fixing mechanism comprises a soft pipeline, the soft pipeline is arranged in the needle body, a plastic pipe is fixedly connected to the outside of the catheter, a first spring is slidably connected to the inside of the catheter, a first fixed block is fixedly connected to the right side of the catheter, a stretching rod is fixedly connected to the top end of the first spring, a torsion spring is fixedly connected to the inside of the catheter, a lug is fixedly connected to the right side of the torsion spring, a second spring is fixedly connected to the bottom end of the lug, a second fixed block is fixedly connected to the bottom end of the second spring, the clamping mechanism comprises a first extension rod, a first extension rod is fixedly connected to the left side of the needle body, the utility model discloses a needle assembly, including the needle body, the first round frame body of left side fixedly connected with of needle body, the left side fixedly connected with second extension rod of needle body, first cell body has been seted up to the inside of first extension rod, the inside sliding connection of first cell body has first spacing frame, the inside of first spacing frame is inserted and is equipped with the bolt, the second cell body has been seted up to the inside of second extension rod, the inside sliding connection of second cell body has the spacing frame of second, the right side fixedly connected with second round frame body of bolt.

Preferably, a sliding groove is formed in the guide pipe, and the sliding groove in the guide pipe is in sliding connection with the first spring.

Preferably, the plastic pipe is slidably connected with the soft pipe, and the stretching rod penetrates through the inner part of the guide pipe and the first fixing block and extends to the outer part of the guide pipe and the first fixing block.

Preferably, the drawing rod is provided with grooves at equal intervals on one side, and the grooves on one side of the drawing rod are mutually embedded with the lugs.

Preferably, the second fixed block is fixedly connected with the inner wall of the catheter, and the areas of the first round frame body and the second round frame body are equal.

Preferably, the bolt penetrates through the interiors of the first limiting frame and the second limiting frame and extends to the interior of the second groove body, and a limiting block is fixedly connected inside the second limiting frame.

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

1. this sealed effectual needle of keeping somewhere of establishing isolation stopper of being convenient for to insert passes through first spring at the inside sliding connection of spout, tensile pole one end extends to the pipe outside, the other end extends to first fixed block outside, be favorable to supporting the close to the pipe, make needle body and plastic tubing closely laminate, the leakproofness of connecting has been increased, prevent air leakage, at inside fixed connection torsion spring of pipe and second fixed block, torsion spring carries out the position correction to the lug, tensile pole one side recess and the mutual gomphosis of lug, be favorable to the height of nimble tensile pole of change, the convenience of fixed tensile pole has been increased simultaneously.

2. This sealed effectual needle of keeping somewhere of establishing isolation stopper of being convenient for insert through run through the inside of first spacing frame and second spacing frame with the bolt and with the mutual gomphosis of second cell body, be favorable to the first spacing frame of nimble change in the inside position of first cell body and second cell body, thereby change the size that opens and shuts of first circle framework and second circle framework, place the extension pipe and fix the centre gripping at the first circle framework and the second circle framework department of closing mutually to the extension pipe, be favorable to increasing the convenience of carrying, prevent that the staff from touching by mistake and dropping etc., the security performance has been increased.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic bottom sectional view of the guide tube and the stretching rod of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the present invention at B in fig. 1.

In the figure: 1. a device body; 110. a needle body; 120. a conduit; 2. a fixing mechanism; 210. a soft pipeline; 220. a plastic tube; 230. a first spring; 240. a first fixed block; 250. a stretch rod; 260. a torsion spring; 270. a bump; 280. a second spring; 290. a second fixed block; 3. a clamping mechanism; 310. a first extension bar; 320. a first round frame body; 330. a second extension bar; 340. a first tank body; 350. a first limit frame; 360. a bolt; 370. a second tank body; 380. a second limit frame; 390. a second circular frame body.

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.

Referring to fig. 1-4, the present invention provides an embodiment:

an indwelling needle with good sealing effect and convenient for inserting an isolating plug comprises a device body 1, a fixing mechanism 2 and a clamping mechanism 3, wherein the device body 1 comprises a needle body 110, a catheter 120 is inserted in the needle body 110, the fixing mechanism 2 comprises a soft pipeline 210, the soft pipeline 210 is arranged in the needle body 110, a plastic pipe 220 is fixedly connected to the outside of the catheter 120, a first spring 230 is slidably connected to the inside of the catheter 120, a first fixing block 240 is fixedly connected to the right side of the catheter 120, a stretching rod 250 is fixedly connected to the top end of the first spring 230 and is beneficial to abutting against the catheter 120, so that the needle body 110 and the plastic pipe 220 are tightly attached to each other, the connection sealing performance is improved, the leakage problem existing in the pipeline is prevented, a torsion spring 260 is fixedly connected to the inside of the catheter 120, a lug 270 is fixedly connected to the right side of the torsion spring 260, and a second spring 280 is fixedly connected to the bottom end of the lug 270, the bottom end of the second spring 280 is fixedly connected with a second fixing block 290, which is beneficial to flexibly changing the height of the stretching rod 250, and meanwhile, the convenience of fixing the stretching rod 250 is increased, the detention time of the needle body 110 is prolonged, and the production cost is reduced, the clamping mechanism 3 comprises a first extension rod 310, the left side of the needle body 110 is fixedly connected with the first extension rod 310, the left side of the needle body 110 is fixedly connected with a first round frame body 320, the left side of the needle body 110 is fixedly connected with a second extension rod 330, a first groove body 340 is arranged inside the first extension rod 310, a first limit frame 350 is slidably connected inside the first groove body 340, a bolt 360 is inserted inside the first limit frame 350, a second groove body 370 is arranged inside the second extension rod 330, a second limit frame 380 is slidably connected inside the second groove body 370, which is beneficial to flexibly changing the positions of the first limit frame 350 inside the first groove body 340 and the second groove body 370, thereby change the size that opens and shuts of first circle framework 320 and second circle framework 390, place the extension pipe and fix the centre gripping at first circle framework 320 and second circle framework 390 department of meeting, be favorable to increasing the convenience of carrying, prevent that the staff from touching by mistake and dropping etc. increased the security performance, at the inside fixed connection stopper of second spacing frame 380, be favorable to restricting the position of bolt 360, prevent that bolt 360 from following the inside of second spacing frame 380 and coming off, the stability of connecting has been increased, bolt 360's right side fixedly connected with second circle framework 390.

Further, the inside spout of seting up of pipe 120, inside spout and the first spring 230 sliding connection of pipe 120 are favorable to increasing the gliding convenience of first spring 230, reduce the resistance.

Further, the plastic tube 220 is slidably connected with the soft tube 210, and the stretching rod 250 penetrates through the catheter 120 and the first fixing block 240 and extends to the outside of the catheter 120 and the first fixing block 240, so that the catheter 120 can be abutted, the needle body 110 and the plastic tube 220 can be tightly attached, and the connection tightness can be improved.

Further, the grooves are formed in one side of the stretching rod 250 at equal intervals, and the grooves in one side of the stretching rod 250 and the bumps 270 are mutually embedded, so that the height of the stretching rod 250 can be flexibly changed, the convenience for fixing the stretching rod 250 is improved, the detention time of the needle body 110 is prolonged, and the production cost is reduced.

Further, the second fixing block 290 is fixedly connected with the inner wall of the conduit 120, and the areas of the first round frame body 320 and the second round frame body 390 are equal, so that the extension pipe can be clamped fixedly, and the carrying convenience is improved.

Further, the bolt 360 runs through the inside of first spacing frame 350 and second spacing frame 380 and extends to inside the second cell body 370, and the inside fixedly connected with stopper of second spacing frame 380 is favorable to restricting the position of bolt 360, prevents that bolt 360 from droing from the inside of second spacing frame 380, has increased the stability of connecting.

The working principle is as follows: the indwelling needle with good sealing effect and convenient for inserting the isolating plug is characterized in that the soft pipeline 210 is arranged in the needle body 110, the catheter 120 is inserted into the soft pipeline 210, the outer part of the catheter 120 is fixedly connected with the plastic pipe 220, the plastic pipe 220 is in sliding connection with the soft pipeline 210, and the catheter 120 is also in a hose shape and is mutually attached, the inner part of the catheter 120 is provided with the chute, the first spring 230 is in sliding connection in the chute, one end of the stretching rod 250 extends to the outer part of the catheter 120, the other end of the stretching rod extends to the outer part of the first fixing block 240, so that the catheter 120 can be abutted, the needle body 110 is tightly attached with the plastic pipe 220, the connection sealing performance is improved, air leakage is prevented, the torsion spring 260 and the second fixing block 290 are fixedly connected in the catheter 120, the torsion spring 260 corrects the position of the lug 270, the groove on one side of the stretching rod 250 is mutually embedded with the lug 270, and the height of the stretching rod 250 can be flexibly changed, meanwhile, the convenience of fixing the stretching rod 250 is improved, the detention time of the needle body 110 is prolonged, and the production cost is reduced.

The indwelling needle with good sealing effect and convenient for inserting the isolating plug is fixedly connected with a first extending rod 310, a first round frame body 320 and a second extending rod 330 through the left side of a needle body 110, a first groove body 340 is arranged in the first extending rod 310, a first limit frame 350 is slidably connected in the first groove body 340, a second groove body 370 is arranged in the second extending rod 330, five groups of empty grooves are arranged at the bottom end of the second groove body 370 and in an equidistant manner in the mutually embedded bolt 360, the bolt 360 penetrates through the first limit frame 350 and the second limit frame 380 and is embedded in the second groove body 370, the positions of the first limit frame 350 in the first groove body 340 and the second groove body 370 can be flexibly changed, the opening and closing sizes of the first round frame body 320 and the second round frame body 390 can be changed, the extension tube is placed at the joint of the first round frame body 320 and the second round frame body 390 to fixedly clamp the extension tube, and the carrying convenience can be increased, prevent that the staff from touching by mistake and dropping etc. has increased the security performance, at the inside fixed connection stopper of second spacing frame 380, be favorable to restricting the position of bolt 360, prevent that bolt 360 from following the inside drop of second spacing frame 380, increased the stability of connecting.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sealed effectual needle of keeping somewhere of establishing isolation plug of being convenient for insert, includes device body (1), fixed establishment (2) and fixture (3), its characterized in that: the device body (1) comprises a needle body (110), a catheter (120) is inserted into the needle body (110), the fixing mechanism (2) comprises a soft pipeline (210), the soft pipeline (210) is arranged in the needle body (110), a plastic pipe (220) is fixedly connected to the outside of the catheter (120), a first spring (230) is slidably connected to the inside of the catheter (120), a first fixing block (240) is fixedly connected to the right side of the catheter (120), a stretching rod (250) is fixedly connected to the top end of the first spring (230), a torsion spring (260) is fixedly connected to the inside of the catheter (120), a lug (270) is fixedly connected to the right side of the torsion spring (260), a second spring (280) is fixedly connected to the bottom end of the lug (270), and a second fixing block (290) is fixedly connected to the bottom end of the second spring (280), fixture (3) are including first extension rod (310), the first extension rod (310) of left side fixedly connected with of needle body (110), the first round frame body (320) of left side fixedly connected with of needle body (110), the left side fixedly connected with second extension rod (330) of needle body (110), first cell body (340) have been seted up to the inside of first extension rod (310), the inside sliding connection of first cell body (340) has first spacing frame (350), the inside of first spacing frame (350) is inserted and is equipped with bolt (360), second cell body (370) have been seted up to the inside of second extension rod (330), the inside sliding connection of second cell body (370) has spacing frame (380) of second, the right side fixedly connected with second round frame body (390) of bolt (360).

2. The indwelling needle which has good sealing effect and is convenient for inserting the isolating plug as claimed in claim 1, is characterized in that: a sliding groove is formed in the guide pipe (120), and the sliding groove in the guide pipe (120) is connected with the first spring (230) in a sliding mode.

3. The indwelling needle which has good sealing effect and is convenient for inserting the isolating plug as claimed in claim 1, is characterized in that: the plastic pipe (220) is connected with the soft pipe (210) in a sliding way, and the stretching rod (250) penetrates through the inner parts of the guide pipe (120) and the first fixing block (240) and extends to the outer parts of the guide pipe (120) and the first fixing block (240).

4. The indwelling needle which has good sealing effect and is convenient for inserting the isolating plug as claimed in claim 1, is characterized in that: grooves are formed in one side of the stretching rod (250) at equal intervals, and the grooves in one side of the stretching rod (250) and the bumps (270) are mutually embedded.

5. The indwelling needle which has good sealing effect and is convenient for inserting the isolating plug as claimed in claim 1, is characterized in that: the second fixed block (290) is fixedly connected with the inner wall of the guide pipe (120), and the areas of the first round frame body (320) and the second round frame body (390) are equal.

6. The indwelling needle which has good sealing effect and is convenient for inserting the isolating plug as claimed in claim 1, is characterized in that: the bolt (360) runs through the interiors of the first limiting frame (350) and the second limiting frame (380) and extends to the interior of the second groove body (370), and a limiting block is fixedly connected to the interior of the second limiting frame (380).