CN210131190U

CN210131190U - Remaining needle

Info

Publication number: CN210131190U
Application number: CN201920788051.3U
Authority: CN
Inventors: 李�杰
Original assignee: Yongchuan Hospital of Chongqing Medical University
Current assignee: Yongchuan Hospital of Chongqing Medical University
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-10
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses an indwelling needle, which structurally comprises a heparin cap, a connector, an extension pipe, a fixing clamp, a catheter seat, a needle handle, a catheter, a needle point, an isolating plug and a protractor, wherein the lower end of the heparin cap of the protractor is in threaded connection with the upper end of the connector, the lower end of the connector of the protractor is communicated with the left end of the extension pipe, the inside of the right end of the extension pipe of the protractor is communicated with the right end of the catheter seat, the lower end of the fixing clamp of the protractor is provided with a clamping groove, and the inside of the clamping groove and the outside of the extension pipe are slidably mounted, the indwelling needle of the utility model is characterized in that the protractor is arranged outside the right end of the catheter seat, the skin of a patient is regarded as a straight line, a connecting block is rotated by hand to enable a fixed arc plate to block the right end of the catheter seat, then the connecting rod drives a, thereby realizing the puncture of the auxiliary novice.

Description

Remaining needle

Technical Field

The utility model relates to an indwelling needle technical field, concretely relates to indwelling needle.

Background

The indwelling needle is also called as venous trocar, and in clinic, a problem that many practice nurses do not know how to hold the indwelling needle at 15-30 degrees is faced, so that the indwelling needle is technically improved, but in the using process of the prior art, a new hand cannot hold the indwelling needle at a good angle, so that the puncture is failed, the trocar needs to be replaced, and the adverse effect is easily caused to a patient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the indwelling needle is provided, and the problems that in the using process, a new hand cannot hold a good angle to cause puncture failure, the trocar needs to be replaced again, and the adverse effect is easily caused to a patient are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a keep somewhere needle, including heparin cap, connector, extension pipe, fixation clamp, pipe seat, needle handle, pipe, needle point, isolation stopper and angulation device, heparin cap lower extreme carries out threaded connection with the connector upper end, connector lower extreme and extension pipe left end intercommunication, extension pipe right-hand member inside is linked together with pipe seat right-hand member, the fixation clamp lower extreme is provided with the draw-in groove to inside and extension outside of the pipe sliding mounting of draw-in groove, pipe seat right-hand member outside is provided with the angulation device perpendicularly, the needle handle sets up at pipe seat left end, the pipe lower extreme runs through pipe seat upper end middle part, inside the needle point lower extreme closely stretches into the pipe upper end, the isolation stopper outside is pegged graft with pipe seat middle part inboard, the angulation device is by 30 protractors, connection piece, connection structure, fixed shell, fixed slot, Connecting block, screw rod, fixed arc board and spread groove are constituteed, it is fixed to laminate on 30 metrics angle ware lower extreme and the connection piece, the connection piece lower extreme imbeds in the connection structure upper end, the connection structure lower extreme bonds with fixed shell upper end middle part, the inside fixed slot that is provided with of fixed shell to fixed slot inner wall pegs graft with pipe seat right-hand member outside, fixed connection is carried out with the screw rod bottom face in the connecting block upper end, the external screw thread that the outside of screw rod upper end set up carries out interference fit with the internal thread of the inside setting of spread groove, fixed arc board lower extreme middle part carries out fixed connection with screw rod top surface to fixed arc board is located the inside bottom of fixed slot, the spread groove is located fixed shell.

Furthermore, the connecting structure is composed of a connecting rod, a rotating ball and a connecting seat, the upper end of the connecting rod is in nested fit with the lower end of the connecting sheet, the upper end of the rotating ball is fixedly connected with the lower end of the connecting rod, the outer portion of the rotating ball is rotatably connected with the inner portion of the connecting seat, and the surface of the lower end of the connecting seat is bonded with the surface of the top end of the fixed shell.

Furthermore, a groove is formed in the connecting seat, and the inner wall of the groove is rotatably connected with the outer portion of the rotating ball.

Further, the value range of the 30-degree protractor is 0 degree to 30 degrees, and the 30-degree protractor is transparent.

Furthermore, the right end of the fixed shell is provided with a slot, and the width of the slot is 0.1 mm.

Furthermore, the connecting rod carries out the pivoted angle through the turning ball and connecting seat and is 180 degrees to the connecting rod surface scribbles a layer of protective layer.

Furthermore, the needle handle is arranged in a single wing mode, and the upper end of the needle handle is provided with protruding particles.

Advantageous effects

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

1) for solving in the use, the not good angle of new hand grip, lead to the puncture failure, need change the trocar again, cause the problem of harmful effects to the patient easily, set up the angulation device through catheter holder right-hand member outside, regard patient's skin as the straight line, by hand rotation connecting block, make fixed arc board block catheter holder right-hand member, the connecting rod drives the rolling ball and rotates inside the connecting seat after that, make 30 measurement angle ware and skin be the horizontality, then utilize 30 measurement angle ware directly perceived to see the change of keeping somewhere the needle angle, thereby realize assisting new hand to puncture.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

fig. 2 is a schematic view of the internal structure of the catheter hub of the present invention;

FIG. 3 is a schematic structural view of the angle measuring device of the present invention;

fig. 4 is a schematic view of the internal structure of the fixed housing of the present invention;

fig. 5 is a schematic view of the connection structure of the present invention.

In the figure: the device comprises a heparin cap-1, a connector-2, an extension tube-3, a fixing clamp-4, a catheter holder-5, a needle handle-6, a catheter-7, a needle point-8, an isolating plug-9, an angle measuring device-10, a 30 protractor-101, a connecting piece-102, a connecting structure-103, a fixing shell-104, a fixing groove-105, a connecting block-106, a screw-107, a fixing arc plate-108, a connecting groove-109, a connecting rod-1031, a rotating ball-1032 and a connecting seat-1033.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4 and 5, the present invention provides an indwelling needle: the heparin cap comprises a heparin cap 1, a connector 2, an extension tube 3, a fixing clamp 4, a catheter seat 5, a needle handle 6, a catheter 7, a needle point 8, an isolation plug 9 and an angle measuring device 10, wherein the lower end of the heparin cap 1 is in threaded connection with the upper end of the connector 2, the lower end of the connector 2 is communicated with the left end of the extension tube 3, the inside of the right end of the extension tube 3 is communicated with the right end of the catheter seat 5, a clamping groove is formed in the lower end of the fixing clamp 4, the inside of the clamping groove is slidably mounted with the outside of the extension tube 3, the angle measuring device 10 is vertically arranged outside the right end of the catheter seat 5, the needle handle 6 is arranged at the left end of the catheter seat 5, the lower end of the catheter 7 penetrates through the middle of the upper end of the catheter seat 5, the lower end of the needle point 8 tightly extends into the inside of the upper end of the catheter, Connecting block 106, the screw rod 107, fixed arc plate 108 and spread groove 109 are constituteed, it is fixed to laminate in 30 measurement angle ware 101 lower extreme and connection piece 102 upper end, connection piece 102 lower extreme is embedded in connection structure 103 upper end, connection structure 103 lower extreme bonds with fixed shell 104 upper end middle part, fixed shell 104 inside is provided with fixed slot 105, and fixed slot 105 inner wall is pegged graft with pipe seat 5 right-hand member outside, connecting block 106 upper end carries out fixed connection with screw rod 107 bottom face, the external screw thread that the outside of screw rod 107 upper end set up carries out interference fit with the internal thread of the inside setting of spread groove 109, fixed arc plate 108 lower extreme middle part carries out fixed connection with screw rod 107 top surface, and fixed arc plate 108 is located fixed slot 105 inside bottom, spread groove 109 is located fixed shell 104 lower.

The connecting structure 103 is composed of a connecting rod 1031, a rotating ball 1032 and a connecting seat 1033, the upper end of the connecting rod 1031 is in nested fit with the lower end of the connecting piece 102, the upper end of the rotating ball 1032 is fixedly connected with the lower end of the connecting rod 1031, the outer part of the rotating ball 1032 is rotatably connected with the inner part of the connecting seat 1033, and the lower end surface of the connecting seat 1033 is adhered to the top end surface of the fixed housing 104.

Wherein, the connecting seat 1033 is provided with a groove inside, and the inner wall of the groove is rotatably connected with the outside of the rotating ball 1032.

The value range of the 30-degree protractor 101 is 0 degree to 30 degrees, and the 30-degree protractor is transparent.

Wherein, the right end of the fixed shell 104 is provided with a slot, and the width of the slot is 0.1 mm.

Wherein the connecting rod 1031 is rotated with the connecting seat 1033 by the rotation ball 1032 by an angle of 180 degrees, and the surface of the connecting rod 1031 is coated with a protective layer.

Wherein, the needle handle 6 is arranged in a single wing, and the upper end thereof is provided with convex particles.

The working principle is as follows: the user firstly inserts the inside of the fixed groove 105 of the angle measuring device 10 with the right end of the catheter base 5 by using the opening arranged at the left end of the fixed shell 104, then rotates the connecting block 106 by hand, the screw 107 is in interference fit with the connecting groove 109, so that the fixed arc plate 108 fixes the outside of the connecting pipe at the right end of the catheter base 5, so that the connecting pipe does not fall off, then finds a proper puncture position on the patient, the external infusion pipe is connected with the scalp needle, the remaining needle is taken out, the scalp needle is inserted into the heparin cap 1 and exhausted, the skin of the patient is disinfected by using external alcohol, the skin of the patient is tightened by the left hand, the skin of the patient is regarded as a straight line, the connecting rod 1031 drives the rotating ball 1032 to rotate inside the connecting seat 1033, so that the 30 protractor 101 is in a horizontal state with the skin through the connecting structure 103, the change of the angle of the, the needle is inserted at an angle of 15 to 30 degrees, the needle point 8 is used for directly puncturing the vein of a patient, the patient is punctured, after puncturing, the catheter 7 is left in the blood vessel, the needle point 8 is extracted, the catheter 7 is fixed by a special application, the name of the patient and the indwelling date and time are written on the application, the indwelling needle extension tube 3 is fixed by an adhesive tape (note that the extension tube is higher than the punctured part), wherein, the connector 2 plays a fixing role, the fixing clamp 4 plays a fixing role, the isolating plug 9 plays an isolating role, the connecting piece 102 plays a connecting role, thereby solving the problems that in the using process, a new hand holds a bad angle, the puncturing fails, the trocar needs to be replaced again, and the patient is easily affected, after using, the connecting block 106 is rotated by hand, the screw 107 is in interference fit with the connecting groove 109, so that a gap is left between the fixed arc plate 108 and the outside of the connecting pipe at the right end of the catheter seat 5, and the angle measuring device 10 is slid to the extension pipe 3 through the fixing groove 105 to avoid interference with use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An indwelling needle comprises a heparin cap (1), a connector (2), an extension tube (3), a fixing clamp (4), a catheter seat (5), a needle handle (6), a catheter (7), a needle point (8) and a separation plug (9), wherein the lower end of the heparin cap (1) is in threaded connection with the upper end of the connector (2), the lower end of the connector (2) is communicated with the left end of the extension tube (3), the inside of the right end of the extension tube (3) is communicated with the right end of the catheter seat (5), the lower end of the fixing clamp (4) is provided with a clamping groove, the inside of the clamping groove and the outside of the extension tube (3) are slidably mounted, an angle measuring device (10) is vertically arranged outside the right end of the catheter seat (5), the needle handle (6) is arranged at the left end of the catheter seat (5), the lower end of the catheter (7) penetrates through the middle part of the upper end of the catheter seat (5), and the lower end of, the outside of the isolating plug (9) is inserted into the inner side of the middle part of the catheter seat (5);

the method is characterized in that: the angle measuring device comprises a 30-degree angle measuring device (10), wherein the angle measuring device (10) comprises a 30-degree angle measuring device (101), a connecting sheet (102), a connecting structure (103), a fixed shell (104), a fixed groove (105), a connecting block (106), a screw (107), a fixed arc plate (108) and a connecting groove (109), the lower end of the 30-degree angle measuring device (101) is fixedly attached to the upper end of the connecting sheet (102), the lower end of the connecting sheet (102) is embedded into the upper end of the connecting structure (103), the lower end of the connecting structure (103) is bonded with the middle of the upper end of the fixed shell (104), the fixed groove (105) is arranged inside the fixed shell (104), the inner wall of the fixed groove (105) is inserted into the outer portion of the right end of the guide pipe seat (5), the upper end of the connecting block (106) is fixedly connected with the bottom end face of the screw (107), external threads arranged on the, the middle part of the lower end of the fixed arc plate (108) is fixedly connected with the top end surface of the screw rod (107), the fixed arc plate (108) is positioned at the bottom end inside the fixed groove (105), and the connecting groove (109) is positioned in the middle part of the lower end of the fixed shell (104).

2. An indwelling needle as claimed in claim 1, in which: the connecting structure (103) is composed of a connecting rod (1031), a rotating ball (1032) and a connecting seat (1033), the upper end of the connecting rod (1031) is in nested fit with the lower end of the connecting piece (102), the upper end of the rotating ball (1032) is fixedly connected with the lower end of the connecting rod (1031), the outer portion of the rotating ball (1032) is rotatably connected with the inner portion of the connecting seat (1033), and the lower end surface of the connecting seat (1033) is bonded with the top end surface of the fixed shell (104).

3. An indwelling needle according to claim 2, wherein: the connecting seat (1033) is internally provided with a groove, and the inner wall of the groove is rotationally connected with the outside of the rotating ball (1032).

4. An indwelling needle as claimed in claim 1, in which: the value range of the 30-degree protractor (101) is 0-30 degrees, and the 30-degree protractor is transparent.

5. An indwelling needle as claimed in claim 1, in which: the right end of the fixed shell (104) is provided with a slot, and the width of the slot is 0.1 mm.

6. An indwelling needle according to claim 2, wherein: the connecting rod (1031) rotates with the connecting seat (1033) through the rotating ball (1032) by an angle of 180 degrees, and the surface of the connecting rod (1031) is coated with a protective layer.

7. An indwelling needle as claimed in claim 1, in which: the needle handle (6) is arranged in a single wing mode, and convex particles are arranged at the upper end of the needle handle.