CN215023985U

CN215023985U - Multifunctional indwelling needle with extension tube

Info

Publication number: CN215023985U
Application number: CN202120721481.0U
Authority: CN
Inventors: 陈丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-07
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a needle is kept somewhere to multi-functional area extension pipe, connect including pipe seat, needle tube seat, needle tubing, draw-in groove, flexure strip, extension pipe interface, ending liquid clamp and infusion, the draw-in groove is located on the pipe seat inside wall, the flexure strip is located in the draw-in groove, the needle tube seat is located in the pipe seat, needle tubing one end is run through the flexure strip and is located in the pipe seat, the needle tubing other end is located in the needle tube seat, the extension pipe interface is located on the pipe seat lateral wall, extension union coupling is on the extension pipe interface, the infusion connects and locates extension pipe and serves, ending liquid clamp is located on the extension pipe. The utility model belongs to the technical field of medical instrument, specifically indicate a syringe needle when being convenient for the needle tubing is extracted protects, and danger when avoiding extracting the needle avoids causing extension pipe swing and distortion phenomenon because of ending the swing of liquid clamp, and the needle is kept somewhere to multi-functional area extension pipe that the fixity is good.

Description

Multifunctional indwelling needle with extension tube

Technical Field

The utility model belongs to the technical field of medical instrument, specifically indicate a needle is kept somewhere to multi-functional area extension pipe.

Background

The venous indwelling needle is also called venous trocar, and the core components comprise a soft catheter/cannula which can be indwelling in the blood vessel and a stainless steel puncture guiding needle core. When in use, the catheter and the needle core are punctured into a blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is left in the blood vessel so as to carry out infusion treatment. The existing needle base of the remaining needle adopts a closed type, one end of a needle tube is fixed with the needle base, the other end of the needle tube is inserted into a catheter base and a catheter, the side surface of the catheter base is provided with an extension tube interface, the side wall of the needle tube is provided with a strip-shaped pressure groove or a slotted hole for observing blood return, and an isolation plug is used for plugging liquid medicine. The existing indwelling needle has the following problems: when the needle tube is pulled out, the needle head has no safety function of preventing acupuncture, potential safety hazards exist, and particularly, when an operator pulls out the needle tube, the operator needs to press the catheter with one hand, so that safety accidents are more easily caused; the liquid stopping clip is easy to swing on the indwelling needle seat, so that the liquid in the extension hose generates siphon action to suck blood in the blood vessel back into the indwelling hose, and the blood backflow is caused to form thrombus, thereby influencing the use of the indwelling needle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a syringe needle when being convenient for the needle tubing is extracted protects, and danger when avoiding extracting the needle avoids causing extension pipe swing and distortion phenomenon because of ending the swing of liquid clamp, and the needle is kept somewhere to multi-functional area extension pipe that the fixity is good.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: a multifunctional indwelling needle with an extension tube comprises a catheter seat, a needle tube, a clamping groove, an elastic sheet, an extension tube interface, a liquid stopping clamp and an infusion connector, wherein the clamping groove is formed in the inner side wall of the catheter seat, the elastic sheet is fixed in the clamping groove, the elastic sheet is arranged in the clamping groove and plays a role in protecting the needle head part of the needle tube, the catheter seat is arranged in the catheter seat, one end of the needle tube penetrates through the elastic sheet and is arranged in the catheter seat, the other end of the needle tube is arranged in the catheter seat, the extension tube interface is arranged on the outer side wall of the catheter seat, the extension tube is connected to the extension tube interface, the infusion connector is arranged on one end of the extension tube, and the liquid stopping clamp is arranged on the extension tube; the liquid stopping clamp comprises a locking boss, an elastic arm, a cushion block and a clamping piece, the elastic arm penetrates through the arrangement of the extension pipe, the locking boss is arranged on the elastic arm, the locking boss is convenient for fastening the elastic arm, the liquid stopping clamp is in an open state when the locking boss is separated from the elastic arm, the clamping piece is arranged under the top wall of the elastic arm, the cushion block is arranged on the bottom wall of the elastic arm, the clamping piece and the cushion block are matched for use to fix the extension pipe, and the use safety of the indwelling needle is improved.

Furthermore, the elastic arm is provided with anti-skidding lines, so that the elastic arm is convenient to control.

Furthermore, the clamping piece is provided with the latch below, and the lower edge of latch contacts with the extension hose, fixes the extension pipe, increases stability.

Furthermore, a limiting block is arranged at the position, close to the needle point, of the needle tube, so that the needle tube is prevented from being pulled out of the elastic sheet, when the needle tube is pulled out of the catheter seat, the needle point is wrapped by the elastic sheet, the limiting block on the needle tube is clamped in the elastic sheet, and the elastic sheet is taken out under the driving of the needle tube, so that the situation that the needle point of the needle tube accidentally injures a patient or medical care personnel due to exposure is avoided.

Furthermore, the elastic sheet is a stainless steel elastic sheet.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of needle is kept somewhere to multi-functional area extension pipe passes through the setting of flexure strip, when the pipe seat is extracted to the needle tubing, plays the guard action to the syringe needle, has avoided the needle point of needle tubing because of exposing the emergence of accidentally injuring patient or medical personnel condition, through the fixed setting of ending the liquid clamp, avoids causing extension pipe swing and distortion phenomenon because of ending the liquid clamp swing, improves the security of keeping somewhere the needle and using.

Drawings

FIG. 1 is an overall structure diagram of a multifunctional indwelling needle with an extension tube;

fig. 2 is an overall structure diagram of the multifunctional liquid stopping clip with the extension tube remaining needle of the utility model.

The device comprises a catheter base 1, a catheter base 2, a needle tube base 3, a needle tube 4, a clamping groove 5, an elastic sheet 6, an extension tube 7, an extension tube interface 8, a liquid stopping clamp 9, an infusion joint 10, a locking boss 11, an elastic arm 12, a cushion block 13, a clamping sheet 14, anti-skid lines 15, a clamping tooth 16 and a limiting block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model relates to a multifunctional indwelling needle with an extension tube, which comprises a catheter base 1, a needle tube 3 base 2, a needle tube 3, a slot 4, an elastic sheet 5, an extension tube 6 interface, a liquid stopping clip 8 and an infusion connector 9, wherein the slot 4 is arranged on the inner side wall of the catheter base 1, the elastic sheet 5 is arranged in the slot 4, the needle tube 3 base 2 is arranged in the catheter base 1, one end of the needle tube 3 penetrates through the elastic sheet 5 and is arranged in the catheter base 1, the other end of the needle tube 3 is arranged in the needle tube 3 base 2, the extension tube 6 interface is arranged on the outer side wall of the catheter base 1, the extension tube 6 is connected to the extension tube 6 interface, the infusion connector 9 is arranged on one end of the extension tube 6, and the liquid stopping clip 8 is arranged on the extension tube 6; the liquid stopping clamp 8 comprises a locking boss 10, an elastic arm 11, a cushion block 12 and a clamping piece 13, wherein the elastic arm 11 penetrates through the extension pipe 6, the locking boss 10 is arranged on the elastic arm 11, the clamping piece 13 is arranged under the top wall of the elastic arm 11, and the cushion block 12 is arranged on the bottom wall of the elastic arm 11.

The elastic arm 11 is provided with anti-skid grains 14.

The clamping piece 13 is provided with a clamping tooth 15 below.

A limiting block 16 is arranged at the position, close to the needle point, of the needle tube 3.

The elastic sheet 5 is a stainless steel elastic sheet.

During the specific use, when extracting needle tubing 3, flexure strip 5 can wrap up the needle point, stopper 16 card on the needle tubing 3 is in flexure strip 5, under the drive of needle tubing 3, flexure strip 5 is taken out draw-in groove 4, take out flexure strip 5, thereby avoided the needle point of needle tubing 3 to hinder the emergence of patient or medical personnel's condition because of exposing the mistake, outwards open elastic arm 11, locking boss 10 and clamping piece 13 separate with cushion 12, it is in the open mode to end liquid clamp 8 this moment, inwards close elastic arm 11, it locks to end liquid clamp 8 this moment, latch 15 and the cushion 12 combined action under the clamping piece 13 are fixed with the 6 centre gripping of extension tube.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a multi-functional area extension pipe keeps somewhere needle which characterized in that: the catheter comprises a catheter seat, a needle tube, a clamping groove, an elastic sheet, an extension tube interface, a liquid stopping clamp and a transfusion connector, wherein the clamping groove is formed in the inner side wall of the catheter seat; the liquid stopping clamp comprises a locking boss, an elastic arm, a cushion block and a clamping piece, the elastic arm penetrates through the extension pipe, the locking boss is arranged on the elastic arm, the clamping piece is arranged below the top wall of the elastic arm, and the cushion block is arranged on the bottom wall of the elastic arm.

2. The multifunctional indwelling needle with an extension tube of claim 1, wherein: the elastic arm is provided with anti-skid lines.

3. The multifunctional indwelling needle with an extension tube, according to claim 2, wherein: and clamping teeth are arranged below the clamping pieces.

4. The multifunctional indwelling needle with an extension tube according to claim 3, wherein: a limiting block is arranged at the position, close to the needle point, of the needle tube.

5. The multifunctional indwelling needle with an extension tube according to claim 4, wherein: the elastic sheet is a stainless steel elastic sheet.