CN217696748U

CN217696748U - Nerve block pjncture needle of ultrasonic guidance

Info

Publication number: CN217696748U
Application number: CN202123420618.8U
Authority: CN
Inventors: 席鹏; 赵慧
Original assignee: First Affiliated Hospital of Xinjiang Medical University
Current assignee: First Affiliated Hospital of Xinjiang Medical University
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-11-01
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a nerve block pjncture needle of supersound guide, including the pjncture needle main part, the top fixed mounting of pjncture needle main part has the connector, and the top fixed mounting of connector has a conveying hose, and conveying hose's one end fixed mounting has the connection cap, and the inside of connecting the cap inserts and installs the extractor, and the cavity has all been seted up to the both sides of connecting the cap inner wall, and the inside all fixed mounting of cavity has spacing spring, and the all fixed mounting of one end of spacing spring has spacing post, and spacing hole has all been seted up to the both sides of extractor. This kind of nerve block pjncture needle of supersound guide, through spacing spring and spacing post, the elasticity of spacing spring can be with the firm inside of fixing at spacing hole of spacing post, can be with the firm inside of connecting the cap of fixing of extractor through spacing post, enables extractor and pjncture needle main part and stabilizes and firm being connected, has prevented that the delivery hose from leading to pjncture needle main part and extractor disconnection when removing, causes medical error.

Description

Nerve block pjncture needle of ultrasonic guidance

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an ultrasonic-guided nerve block puncture needle.

Background

The puncture needle is a medical instrument for sampling and injecting tissues of various organs such as kidney, liver, lung, breast, thyroid gland, prostate, pancreas, testis, uterus, ovary and body surface in minimally invasive surgery, but the existing puncture needle is not firmly connected with the extractor and is inconvenient for personnel to connect and install the extractor and the delivery hose, so that the extractor and the puncture needle are often disconnected when the hose is moved due to the connection of the extractor and the delivery hose, and the burden of the workers in use is increased. Therefore, the ultrasonic-guided nerve block puncture needle is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a nerve block pjncture needle of supersound guide, including the pjncture needle main part, the top fixed mounting of pjncture needle main part has the connector, the top fixed mounting of connector has conveying hose, conveying hose's one end fixed mounting has the connection cap, the inside of connecting the cap inserts and installs the extractor, the cavity has all been seted up to the both sides of connecting the cap inner wall, the inside all fixed mounting of cavity has spacing spring, the all fixed mounting of one end of spacing spring has spacing post, spacing hole has all been seted up to the both sides of extractor.

As a preferred technical scheme of the utility model, the one end of spacing post is all inserted and is installed to the inside in spacing hole, the one end of spacing post all is the arc with spacing hole.

As an optimal technical scheme of the utility model, the outside of pjncture needle main part is cup jointed and is installed the location base, the bottom of location base all fixed mounting have damping spring, damping spring's bottom fixed mounting has the buffer board, the top fixed mounting of location base has the ring.

As a preferred technical scheme of the utility model, the movable groove has all been seted up to the both sides of location base inner wall, the inside movable mounting in movable groove has the ball all, the draw-in groove has all been seted up to the both sides of pjncture needle main part, the outside of ball all extends to the inside of draw-in groove.

As a preferred technical scheme of the utility model, the buffer board cup joints the outside of installing to the pjncture needle main part, the bottom fixed mounting of buffer board has the slipmat.

As an optimal technical scheme of the utility model, the quantity of ring is two, the inner wall of ring all is provided with anti-skidding line.

As an optimal technical scheme of the utility model, the outside of pjncture needle main part is provided with the scale mark, the zero line of scale mark flushes with the top of location base.

The beneficial effects of the utility model are that:

1. this kind of nerve block pjncture needle of supersound guide, through spacing spring and spacing post, the elasticity of spacing spring can be with the firm inside of fixing at spacing hole of spacing post, can be with the firm inside of connecting the cap of fixing of extractor through spacing post, enables extractor and pjncture needle main part and stabilizes and firm being connected, has prevented that the delivery hose from leading to pjncture needle main part and extractor disconnection when removing, causes medical error.

2. This kind of nerve of supersound guide blocks pjncture needle, through location base and buffer board, when the pjncture needle main part was pricked into internally, stabilized puncture needle main part position in the skin outside through the location base, made the pjncture needle main part accuracy get into the affected part, effectual promotion pjncture needle main part get into the internal accurate nature of time.

3. According to the nerve block puncture needle guided by the ultrasonic, through the scale marks, when the positioning base moves outside the puncture needle main body, the length of the puncture needle main body entering the body can be effectively observed through the top end of the positioning base and the positions of the scale marks.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front sectional view of an ultrasound-guided nerve block puncture needle of the present invention;

fig. 2 is a schematic front view of an ultrasound-guided nerve block puncture needle of the present invention;

fig. 3 is an enlarged partial schematic view of the portion a in fig. 1 of the nerve block puncture needle guided by ultrasound of the present invention;

fig. 4 is an enlarged partial schematic view of the ultrasound guided nerve block puncture needle of the present invention at the position B in fig. 1;

fig. 5 is a three-dimensional schematic view of a positioning base of the nerve block puncture needle guided by ultrasound of the utility model.

In the figure: 1. a puncture needle body; 2. a connector; 3. a delivery hose; 4. a connecting cap; 5. an extractor; 6. a cavity; 7. a limiting spring; 8. a limiting column; 9. a limiting hole; 10. positioning a base; 11. a movable groove; 12. a ball bearing; 13. a card slot; 14. a damping spring; 15. a buffer plate; 16. a non-slip mat; 17. a ring; 18. anti-skid lines; 19. scale lines are marked.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, the utility model relates to an ultrasonic-guided nerve block puncture needle, including puncture needle main part 1, the top fixed mounting of puncture needle main part 1 has connector 2, the top fixed mounting of connector 2 has conveying hose 3, conveying hose 3's one end fixed mounting has connection cap 4, the inside of connecting cap 4 is inserted and is installed extractor 5, cavity 6 has all been seted up to the both sides of connecting cap 4 inner wall, the inside of cavity 6 all fixed mounting have limiting spring 7, the one end of limiting spring 7 all fixed mounting have spacing post 8, spacing hole 9 has all been seted up to the both sides of extractor 5.

Wherein, the inside of installing to spacing hole 9 is all inserted to the one end of spacing post 8, and the one end of spacing post 8 and spacing hole 9 all are the arc.

Wherein, the outside of pjncture needle main part 1 cup joints installs location base 10, and the bottom of location base 10 all fixed mounting has damping spring 14, and damping spring 14's bottom fixed mounting has buffer board 15, and the top fixed mounting of location base 10 has ring 17, utilizes location base 10 to promote pjncture needle main part 1 to the internal supplementary action that plays the location of patient to the staff.

Wherein, the both sides of location base 10 inner wall have all been seted up movable groove 11, and movable groove 11's inside all movable mounting has ball 12, and draw-in groove 13 has all been seted up to the both sides of pjncture needle main part 1, and the outside of ball 12 all extends to the inside of draw-in groove 13, utilizes ball 12 to roll in the inside of draw-in groove 13, makes pjncture needle main part 1 more stable when the inside of location base 10 removes.

Wherein, the buffer plate 15 is sleeved and mounted on the outer side of the puncture needle main body 1, the bottom end of the buffer plate 15 is fixedly provided with the anti-skid pad 16, and the anti-skid pad 16 is used for preventing the positioning base 10 from sliding on the outer side of the skin.

The number of the finger rings 17 is two, the inner walls of the finger rings 17 are provided with anti-skidding lines 18, and the finger rings 17 are used for facilitating positioning of a worker holding the positioning base 10.

The scale marks 19 are arranged on the outer side of the puncture needle main body 1, the zero line of the scale marks 19 is flush with the top end of the positioning base 10, and the scale marks 19 are used for facilitating a worker to observe the length of the puncture needle main body 1 entering a patient.

The working principle is as follows: when the staff uses pjncture needle main part 1, utilize the staff to insert the inside of connecting cap 4 with extractor 5, utilize the inertia of spacing spring 7 simultaneously, with the firm inside at spacing hole 9 of fixing of spacing post 8, thereby make the firm inside at connecting cap 4 of fixing of extractor 5, utilize the staff to place location base 10 on patient's skin afterwards, insert the inside of location base 10 with pjncture needle main part 1 afterwards, make ball 12 roll to the inside of draw-in groove 13, the staff inserts the inside of ring 17 with the finger, fix and stabilize the position of location base 10, utilize the staff to promote pjncture needle main part 1 afterwards, can puncture, move on scale mark 19 through location base 10 top, can read the internal length that pjncture needle main part 1 got into.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultrasonic-guided nerve block puncture needle comprises a puncture needle main body (1) and is characterized in that a connector (2) is fixedly mounted at the top end of the puncture needle main body (1), a conveying hose (3) is fixedly mounted at the top end of the connector (2), a connecting cap (4) is fixedly mounted at one end of the conveying hose (3), an extractor (5) is inserted and mounted in the connecting cap (4), cavities (6) are formed in two sides of the inner wall of the connecting cap (4), limiting springs (7) are fixedly mounted in the cavities (6), limiting columns (8) are fixedly mounted at one ends of the limiting springs (7), and limiting holes (9) are formed in two sides of the extractor (5);

one end of the limiting column (8) is inserted into and mounted in the limiting hole (9), and one end of the limiting column (8) and the limiting hole (9) are both arc-shaped;

the utility model discloses a puncture needle, including puncture needle main part (1), the outside of puncture needle main part (1) is cup jointed and is installed location base (10), the bottom of location base (10) is all fixed mounting have damping spring (14), the bottom fixed mounting of damping spring (14) has buffer board (15), the top fixed mounting of location base (10) has ring (17).

2. The nerve block puncture needle guided by the ultrasonic wave according to claim 1, wherein both sides of the inner wall of the positioning base (10) are provided with movable grooves (11), the inside of each movable groove (11) is movably provided with a ball (12), both sides of the puncture needle body (1) are provided with clamping grooves (13), and the outer sides of the balls (12) extend to the inside of the clamping grooves (13).

3. An ultrasonic-guided nerve block puncture needle according to claim 1, wherein the buffer plate (15) is sleeved and mounted on the outer side of the puncture needle body (1), and the bottom end of the buffer plate (15) is fixedly provided with an anti-skid pad (16).

4. An ultrasound-guided nerve block puncture needle according to claim 1, characterized in that the number of the finger rings (17) is two, and the inner walls of the finger rings (17) are provided with anti-skid veins (18).

5. An ultrasound-guided nerve block puncture needle according to claim 1, characterized in that the outside of the puncture needle body (1) is provided with scale lines (19), and the zero line of the scale lines (19) is flush with the top end of the positioning base (10).