CN213588430U

CN213588430U - Arteriovenous internal fistula puncture needle convenient to position

Info

Publication number: CN213588430U
Application number: CN202021819074.5U
Authority: CN
Inventors: 王璐; 王晶; 张枭霄; 孙美兰; 郝德
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-07-02
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a convenient location's sound arteries and veins internal fistula pjncture needle, including the puncture syringe needle, puncture syringe needle right-hand member is connected and is equipped with the fixing base, bilateral symmetry is equipped with the butterfly pterygoid lamina about the fixing base, the fixing base right-hand member is equipped with the PE hose, the PE hose cup joints the fixing base, the cover is equipped with the choke valve on the PE hose, PE hose right-hand member is equipped with the handle of holding between the fingers, and the handle right-hand member is held between the fingers by the hand is equipped with the seal opening, be equipped with the hickey on the seal opening, the hickey right side is equipped with the sealed cap of revolving that is used for shutoff PE hose, the. Has the advantages that: the utility model discloses arteriovenous internal fistula pjncture needle has realized quick convenient location to between two pjncture needles through setting up pterygoid lamina scale and hose scale to the hose scale can carry out the precision measurement to tortuous blood vessel, and the antiskid stopper that is equipped with in the helmet has effectually prevented that the helmet from dropping the danger that causes.

Description

Arteriovenous internal fistula puncture needle convenient to position

Technical Field

The utility model relates to the field of medical equipment, in particular to a arteriovenous internal fistula puncture needle convenient for positioning.

Background

Arteriovenous internal fistulation is a common vascular access for maintenance hemodialysis patients, and has the advantages of safety, sufficient blood flow, less infection chance and the like. The internal fistula can be used for 4-5 years. The non-dominant arm should be selected for arteriovenous internal fistula. Since the mature fistula generally takes about 2-6 weeks, it is necessary to perform an operation in advance. Veins should be selected to be shallower and have fewer branches. Need use the artery and vein internal fistula pjncture needle when doing hemodialysis, for the life reduction internal fistula complication of extension internal fistula, improve the dialysis quality, artery puncture point is apart from internal fistula anastomotic stoma more than 3cm when requiring internal fistula puncture, and the distance is 5cm at least between same root blood vessel artery and the vein puncture point, and the needle point of advancing of distance last time is 0.5~1cm at least during rope ladder puncture. The existing arteriovenous internal fistula puncture needle still has some defects in design: (1) the visual measurement method is commonly used clinically, is convenient to use but has poor accuracy and has no effective measurement mechanism; (2) the blood vessels are of a non-straight structure, and the blood vessel distance and the puncture distance are not easy to measure by a common measuring tool, so that the arteriovenous internal fistula puncture needle is punctured by the experience of a nurse, and the traditional measuring method has certain obstacles on the aspects of refined management of blood vessel passages of patients and prevention of hospital infection; (3) the needle head of the puncture needle is relatively sharp, and an injury event is inevitably generated in the using process or the disposal process of the needle head. Therefore, research and improvement on arteriovenous internal fistula puncture needles are urgently needed.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a simple structure, the practicality is strong, and quick location effectively prevents that the syringe needle from hindering people and excellent in use effect's a convenient location's sound arteries and veins internal fistula pjncture needle.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a convenient location's sound arteries and veins internal fistula pjncture needle, includes the puncture syringe needle, puncture syringe needle right-hand member is connected and is equipped with the fixing base, bilateral symmetry is equipped with the butterfly pterygoid lamina about the fixing base, the fixing base right-hand member is equipped with the PE hose, the PE hose cup joints the fixing base, the cover is equipped with the choke valve on the PE hose, PE hose right-hand member is equipped with the handle of holding between the fingers, and the handle right-hand member is held between the fingers to the hand is equipped with the sealing opening, be equipped with the hickey on the sealing opening, the hickey right side is equipped with the sealed cap of revolving that is used for shutoff PE hose, sealed inside the sealing plug that is equipped with of cap of revolving, sealed revolve be equipped with the screw.

Furthermore, the left end of the butterfly wing plate is flush with the left end of the fixing seat, and wing plate graduated scales are arranged along the horizontal edges of the upper end and the lower end.

Furthermore, the connecting part of the butterfly wing plate and the fixed seat is provided with an easy-to-fold sheet. The puncture needle is beneficial to bending and pressing close to the skin when in measurement, the measurement precision is increased, and meanwhile, after the puncture is finished, the puncture needle is beneficial to enabling the adhesive tape to be more attached to the skin when being bound.

Further, be equipped with the hose scale on the PE hose, the hose is initial the scale and the terminal scale alignment of pterygoid lamina scale to continue the terminal scale setting of pterygoid lamina scale. The graduated scale arranged on the hose is beneficial to measuring the positions of two puncture points, and meanwhile, the hose can be attached to a bent blood vessel for accurate measurement.

Further, the choke valve includes stopping buckle, spacing top, goes up most advanced structure and most advanced structure down, the stopping buckle is equipped with a plurality of zigzag stopping dogs, the PE hose is located between most advanced structure and the most advanced structure down, presses down both sides about the choke valve, spacing top card is gone into in the stopping buckle, simultaneously, most advanced structure and last most advanced structure cut the PE hose to the centre extrusion down.

Furthermore, the inside antiskid stopper that is equipped with of helmet, the helmet left end is equipped with the link.

Furthermore, one side of the hand pinching handle is provided with a hanging hole, the hanging hole comprises a blocking piece and an elastic piece, and a gap is reserved between the blocking piece and the elastic piece.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses arteriovenous internal fistula pjncture needle has realized quick convenient location between two pjncture needles through setting up pterygoid lamina scale and hose scale to the hose scale can carry out the precision measurement to tortuous blood vessel, protects the needle point of the pjncture needle after using through setting up the link and hanging the convenient solution of hole helmet, and the antiskid stopper that is equipped with in the helmet has effectually prevented that the helmet from dropping the danger that causes.

Drawings

Fig. 1 is a schematic structural view of the arteriovenous internal fistula puncture needle convenient for positioning.

Fig. 2 is a schematic structural view of the arteriovenous internal fistula puncture needle tip convenient for positioning.

FIG. 3 is a schematic view of the vertical cross-section of the fixing tube and the butterfly wing plate of the arteriovenous internal fistula puncture needle with convenient positioning

FIG. 4 is a schematic view of the suspension hole structure of the arteriovenous internal fistula puncture needle convenient for positioning

As shown in the figure: 1. puncture needle head, 2, fixed pipe, 3, butterfly wing plate, 4, PE hose, 5, throttle valve, 6, handle in hand, 7, hickey, 8, turncap, 9, sealing plug, 10, annular knurl, 11, through-hole, 12, helmet, 13, pterygoid lamina scale, 14, easy folding thin slice, 15, hose scale, 16, backstop buckle, 17, spacing top, 18, last most advanced structure, 19, lower most advanced structure, 20, gap, 21, backstop dog, 22, anti-skidding stopper, 23, link, 24, hang the hole, 25, separation blade, 26, flexure strip.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model provides a convenient arteriovenous internal fistula pjncture needle of location, includes puncture needle 1, 1 right-hand member of puncture needle connects and is equipped with the fixing base, bilateral symmetry is equipped with butterfly pterygoid lamina 3 about the fixing base, 3 left ends of butterfly pterygoid lamina with the fixing base left end flushes, all is equipped with pterygoid lamina scale 13 along the horizontal border in upper and lower both ends. The connecting part of the butterfly wing plate 3 and the fixed seat is provided with an easy-to-fold sheet 14. The puncture needle is beneficial to bending and pressing close to the skin when in measurement, the measurement precision is increased, and meanwhile, after the puncture is finished, the puncture needle is beneficial to enabling the adhesive tape to be more attached to the skin when being bound. The fixing base right-hand member is equipped with PE hose 4, PE hose 4 cup joints the fixing base, be equipped with hose scale 15 on the PE hose 4, the initial scale of hose aligns with pterygoid lamina scale 13's terminal scale to continue 13 terminal scale settings of pterygoid lamina scale. The graduated scale arranged on the hose is beneficial to measuring the positions of two puncture points, and meanwhile, the hose can be attached to a bent blood vessel for accurate measurement. The PE hose 4 is sleeved with a throttle valve 5, the right end portion of the PE hose 4 is provided with a knob handle 6, one side of the knob handle 6 is provided with a hanging hole 24, the hanging hole 24 comprises a blocking piece 25 and an elastic piece 26, and a gap 20 is reserved between the blocking piece 25 and the elastic piece 26. 6 right-hand members of handle between fingers are equipped with the sealing opening, be equipped with hickey 7 on the sealing opening, 7 right sides of hickey are equipped with the sealed cap 8 of revolving that is used for shutoff PE hose 4, sealed cap 8 inside is equipped with sealing plug 9 of revolving, sealed being equipped with on 8 inner walls of cap of revolving and cooperating the screw thread that uses with hickey 7, be equipped with annular knurl 10 on the outer wall, pointed end one side of puncture syringe needle 1 is equipped with through-hole 11, 1 left end of puncture syringe needle is equipped with helmet 12, helmet 12 inside is equipped with anti-skidding stopper 22, helmet 12 left end is equipped with link 23.

Throttle valve 5 is including stopping buckle 16, spacing top 17, last most advanced structure 18 and lower most advanced structure 19, stopping buckle 16 is equipped with a plurality of zigzag stopping dog 21, PE hose 4 is located between most advanced structure 18 and the most advanced structure 19 down, presses both sides about throttle valve 5, in stopping buckle 16 is gone into to spacing top 17 card, simultaneously, most advanced structure 19 and last most advanced structure 18 cut PE hose 4 to the centre extrusion down.

The first embodiment is as follows: during the in-service use, because there is the distance requirement between two pjncture needles during arteriovenous internal fistula puncture, artery puncture point during fistula puncture is more than 3cm apart from internal fistula anastomotic stoma, same root blood vessel artery and vein puncture point apart from 5cm at least, when first pjncture needle puncture is accomplished, pterygoid lamina scale 13 and the 15 chi of hose scale that set up on the usable butterfly pterygoid lamina 3 measure along patient's arteriovenous internal fistula blood vessel, the position of the convenient definite second puncture point, because butterfly pterygoid lamina 3 aligns with 2 left ends of fixed tube, so the zero scale of pterygoid lamina scale 13 flushes with first puncture point position, 15 chi of hose scale more conveniently measure the patient of blood vessel, thereby make the tortuous puncture more accurate.

Example two: during the in-service use, generally protective cap 12 can loosen and take off and drop, and the nurse will be pricked by the needle point if careless when using, the utility model discloses add in protective cap 12 and establish anti-skidding stopper 22, when puncture syringe needle 1 injects anti-skidding stopper 22, anti-skidding stopper 22 has certain elasticity and can grasp the syringe needle, effectively prevents to drop.

Example three: when the puncture needle is used, the protective cap 12 is taken down before puncture, the protective cap 12 is hung in the hanging hole 24 through the hanging ring 23, the hanging ring 23 is used for pressing the elastic sheet 26, the elastic sheet 26 is inwards contracted, the gap 20 is enlarged to enable the hanging ring 23 to pass through the baffle sheet 25, the elastic sheet 26 automatically resets after the puncture, the baffle sheet 25 blocks the position of the elastic sheet 26 to realize the hanging of the protective cap 12, so that the protective cap 12 and the puncture needle are in one-to-one correspondence, the protective cap 12 cannot be randomly discarded because the protective cap 12 is stored everywhere, the protective cap 12 cannot be found out after the puncture needle 1 is used for protection, when the puncture needle 1 is taken down after use, because the arteriovenous fistula puncture needles are disposable, the protective cap 12 can be directly pulled out of the hanging hole 24 for convenience and high efficiency, the hanging ring 23 of the protective cap 12 is designed into an easily-broken structure to be conveniently taken out, the protective cap 12 is covered on the puncture needle 1 before, can effectively prevent the arteriovenous internal fistula puncture needle from causing personal injury due to the needle head in the recovery process.

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 convenient arteriovenous internal fistula pjncture needle of location, includes puncture needle head (1), its characterized in that: the puncture needle is characterized in that a fixing tube (2) is connected to the right end of the puncture needle head (1), butterfly wing plates (3) are symmetrically arranged on the upper side and the lower side of the fixing tube (2), the left end of each butterfly wing plate (3) is flushed with the left end of the fixing tube (2), wing plate graduated scales (13) are arranged on the horizontal edges of the upper end and the lower end of each wing plate, a PE hose (4) is arranged on the right end of the fixing tube (2), the PE hose (4) is sleeved with a throttling valve (5), a handle (6) is arranged on the right end of the PE hose (4), a sealing opening is arranged on the right end of the handle (6), a threaded interface (7) is arranged on the sealing opening, a sealing screw cap (8) used for plugging the PE hose (4) is arranged on the right side of the threaded interface (7), a sealing plug (9) is arranged inside the sealing screw cap (8), and threads matched with the threaded interface (7) are arranged on, be equipped with annular knurl (10) on the outer wall, the pointed end one side of puncture syringe needle (1) is equipped with through-hole (11), puncture syringe needle (1) left end is equipped with helmet (12), be equipped with hose scale (15) on PE hose (4), the hose is initial scale and the terminal scale alignment of pterygoid lamina scale (13) to continue the terminal scale setting of pterygoid lamina scale (13).

2. The arteriovenous internal fistula puncture needle convenient to position according to claim 1, which is characterized in that: the connecting part of the butterfly wing plate (3) and the fixed pipe (2) is provided with an easy-to-fold slice (14).

3. The arteriovenous internal fistula puncture needle convenient to position according to claim 1, which is characterized in that: choke valve (5) are including stopping buckle (16), spacing top (17), go up most advanced structure (18) and down most advanced structure (19), stopping buckle (16) are equipped with a plurality of zigzag stopping dog (21), PE hose (4) are located between most advanced structure (18) and down most advanced structure (19), press both sides about choke valve (5), spacing top (17) card is gone into in stopping buckle (16), simultaneously, most advanced structure (19) and last most advanced structure (18) cut PE hose (4) to the centre extrusion down.

4. The arteriovenous internal fistula puncture needle convenient to position according to claim 1, which is characterized in that: the anti-skidding safety helmet is characterized in that an anti-skidding plug (22) is arranged inside the safety helmet (12), and a hanging ring (23) is arranged at the left end of the safety helmet (12).

5. The arteriovenous internal fistula puncture needle convenient to position according to claim 1, which is characterized in that: a hanging hole (24) is formed in one side of the handle knob (6), the hanging hole (24) comprises a blocking piece (25) and an elastic piece (26), and a gap (20) is reserved between the blocking piece (25) and the elastic piece (26).