CN217408927U

CN217408927U - Adjustable development puncture needle with accurate distance

Info

Publication number: CN217408927U
Application number: CN202220120616.2U
Authority: CN
Inventors: 王洁; 柳建华; 金文慧
Original assignee: Guangzhou First Peoples Hospital
Current assignee: Guangzhou First Peoples Hospital
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-09-13
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to an ultrasonic development technical field discloses an adjustable development pjncture needle of accurate distance, include: the needle base is connected with a needle body and is provided with a first connecting part extending towards the direction of the needle body; the sleeve is movably connected to the outer side of the sleeve, extends out of one side of the needle body close to the needle body, and can move towards or back to the direction of the needle body. Before puncture, the distance that the needle body extends out of the sleeve is adjusted, so that the distance that the needle body extends out of the sleeve is equal to the length of the needle body which is expected to be punctured into the body; after puncture is started, the puncture effect is checked under the assistance of the ultrasonic instrument, and when the sleeve is abutted to the skin of a human body, the tip of the needle body reaches the target position, so that the device is beneficial to assisting medical staff with insufficient experience to puncture, the puncture efficiency is improved, and additional damage to the human body is not easy to generate; when the sleeve is abutted against one side of the punctured skin, the needle head is more firmly fixed in the body, and the skin near the wound is not easy to be damaged.

Description

Adjustable development puncture needle with accurate distance

Technical Field

The utility model relates to an ultrasonic development technical field especially relates to an adjustable development pjncture needle of accurate distance.

Background

At present, an ultrasonic instrument can develop deep tissues and blood vessels, carry out nerve block under the guidance of ultrasonic, reduce the puncture times of patients, particularly nerve block, reduce the puncture complications of the patients, and simultaneously improve the success rate of the nerve block, thereby having important significance; because most puncture positions or puncture modes depend on human hand puncture, whether the puncture needle reaches an expected position or not is difficult to accurately judge, and particularly medical staff with insufficient experience hardly punctures the puncture needle to the expected target position by experience even with the help of an ultrasonic instrument, so that the puncture efficiency is low or the puncture causes additional damage to a human body; if the puncture time is too long, the skin near the puncture wound is also easily pressed by the thin needle head, and additional injury is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the adjustable developing puncture needle with the accurate distance is provided, so that medical personnel with insufficient auxiliary experience can puncture the puncture needle, the puncture efficiency is improved, and the additional damage to the human body is not easy to generate; when the sleeve is abutted against one side of the punctured skin, the needle head is more firmly fixed in the body, and the skin near the wound is not easy to be damaged.

In order to achieve the above object, the utility model provides an adjustable of accurate distance develops pjncture needle, include:

the needle base is connected with a needle body and is provided with a first connecting part extending towards the direction of the needle body;

the sleeve, its inboard be provided with first connecting portion complex second connecting portion, the sleeve pass through the movably connection of second connecting portion in the telescopic outside, the sleeve stretches out the needle body is close to one side of needle body, the sleeve can move towards or dorsad the direction of needle body removes.

Compared with the prior art, the embodiment of the utility model provides an adjustable development pjncture needle of accurate distance, its beneficial effect lies in: the needle base is connected with a sleeve with adjustable extension length, the sleeve is movably connected to the needle base through a first connecting part and a second connecting part, and the needle body extends out of the sleeve; before puncture, the sleeve is adjusted, and the distance that the needle body extends out of the sleeve is adjusted, so that the distance that the needle body extends out of the sleeve is equal to the expected length of the needle body needing to be punctured into the body; after the puncture is started, the puncture effect is checked under the assistance of the ultrasonic instrument, when the sleeve is abutted against the skin of a human body, the tip end of the needle body reaches a target position, whether the puncture position is accurate or not is checked through the ultrasonic instrument, if the puncture position is accurate, the next detection can be carried out, and if the puncture position is not accurate, the position of the needle point can be finely adjusted by adjusting the sleeve, so that the position of the needle point is more accurate; the device is beneficial to assisting medical staff with insufficient experience in puncturing, so that the puncturing efficiency is improved, and the additional injury to the human body is not easy to occur; when the sleeve is abutted against one side of the punctured skin, the needle head is more firmly fixed in the body, and the skin near the wound is not easy to be damaged.

The utility model discloses adjustable development pjncture needle of accurate distance, first connecting portion include the spout, second connecting portion include sliding connection in the slider of spout, the sleeve accessible the slider is in move on the length direction of needle file.

The utility model discloses adjustable development pjncture needle of accurate distance, the telescopic outside be provided with solid fixed ring, gu fixed ring is at the orientation will when the needle file direction removes the sleeve is fixed in on the needle file.

The utility model discloses adjustable development pjncture needle of accurate distance, the needle file sets up to be cylindrical, first connecting portion including set up in the external screw thread in the needle file outside, the second connecting portion include with external screw-thread fit's internal thread.

The utility model discloses adjustable development pjncture needle of accurate distance, the sleeve adopts transparent material, be provided with the scale mark in order to mark on the telescopic length direction the sleeve stretches out the length of needle file.

The utility model discloses adjustable development pjncture needle of accurate distance, the needle body with the needle file is for dismantling the connection.

The utility model discloses adjustable development pjncture needle of accurate distance, the needle body orientation the one end of needle file is provided with the needle body seat, the needle file orientation the one end of needle body be provided with needle body seat size complex recess, the outside of recess still is provided with fixing fastener.

The utility model discloses adjustable development pjncture needle of accurate distance, the needle body is kept away from the one end of needle file is the needle point, be provided with the depressed part that is used for strengthening the development effect on the needle point.

The utility model discloses adjustable development pjncture needle of accurate distance, the depressed part distribute uniformly in order to strengthen on the needle point the development effect of needle point.

The utility model discloses adjustable development pjncture needle of accurate distance, the sleeve is kept away from a side end face of needle file sets up to outside convex arcuation face, the arcuation face with adopt fillet transition between telescopic outer peripheral face and the inner peripheral surface.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable type developing puncture needle with precise spacing according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an adjustable type developing puncture needle with a precise distance according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of another embodiment of the adjustable visualization needle with precise spacing;

in the figure, 1, a needle seat; 11. a chute; 12. an external thread; 13. a groove; 14. fixing a fastener; 2. a needle body; 21. a needle body seat; 22. a needle tip; 23. a recessed portion; 3. a sleeve; 31. a slider; 32. an internal thread; 4. and (4) fixing the ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

As shown in fig. 1, the adjustable developing puncture needle with precise spacing according to the preferred embodiment of the present invention comprises a needle base 1, wherein the needle base 1 is used for being held by medical personnel for facilitating puncture; the needle seat 1 is connected with a needle body 2, the needle body 2 is used for puncture, the needle seat 1 is provided with a first connecting part extending towards the direction of the needle body 2, and the first connecting part is arranged on the outer side of the needle body 2;

as shown in fig. 1, the utility model discloses an adjustable of accurate distance develops pjncture needle still locates the sleeve 3 in the needle body 2 outside including the cover, the inboard of sleeve 3 is provided with first connecting portion complex second connecting portion, the second connecting portion can be fixed with first connecting portion inter displacement, make sleeve 3 pass through the movably outside of connecting in sleeve 3 of second connecting portion, sleeve 3 stretches out one side that needle body 2 is close to needle body 2, sleeve 3 can move towards or the direction of needle body 2 dorsad, with the length that needle file 1 was stretched out to regulation sleeve 3, needle body 2 also stretches out in by sleeve 3.

The utility model discloses a working process does: before puncture, the sleeve 3 is adjusted, and the distance that the needle body 2 extends out of the sleeve 3 is adjusted, so that the distance that the needle body 2 extends out of the sleeve 3 is equal to the length of the needle body 2 which is expected to be punctured into the body; after the beginning puncture, under the assistance of supersound appearance, look over the puncture effect, when sleeve 3 butt in human skin, the most advanced of needle body 2 arrives the target position, looks over through the supersound appearance this moment whether the puncture position is accurate, if the position accuracy can carry out detection on next step, if the position is inaccurate, can finely tune the needle point position through adjusting sleeve 3, makes the position of needle point more accurate.

As shown in fig. 1 and 2, in some embodiments of the present invention, the first connecting portion includes a sliding groove 11, the sliding groove 11 extends along the length direction of the needle holder 1 and faces the direction of the needle body 2, the second connecting portion includes a sliding block 31 slidably connected to the sliding groove 11, when the sleeve 3 is moved, the sliding block 31 moves in the sliding groove 11, the sleeve 3 moves along the direction guided by the sliding groove 11, and therefore the sleeve 3 can move in the length direction of the needle holder 1 through the sliding block 31.

The utility model discloses an in some embodiments, be provided with many spouts 11 on the needle file 1, many spouts 11 parallel arrangement each other, 3 inboards of sleeve also are provided with a plurality of sliders 31 that correspond many spouts 11 and set up, every slider 31 all sliding connection in one of them spout 11, the setting of a plurality of spouts 11 and slider 31, it is more firm to make sleeve 3 and needle file 1 fixed, and the direction of spout 11 is more accurate.

As shown in fig. 1, in some embodiments of the present invention, the outer side of the sleeve 3 is provided with a fixing ring 4, the diameter of the outer peripheral surface of the sleeve 3 is increased from small to large in the direction from the needle body 2 to the needle base 1, when the sleeve 3 is adjusted, the fixing ring 4 is located at one end with a smaller diameter, and after the position of the sleeve 3 is determined, the fixing ring 4 moves toward the needle base 1 again, so that the sleeve 3 is extruded toward the needle base 1 to fix the sleeve 3 on the needle base 1.

In some embodiments of the present invention, the sleeve 3 is made of soft material, and under the pressure of the fixing ring 4, the sleeve can deform, so as to further fix the sleeve 3 with the needle seat 1 after the position is determined.

As shown in fig. 3, in some embodiments of the present invention, the needle seat 1 is configured in a cylindrical shape, the first connecting portion includes an external thread 12 disposed outside the needle seat 1, and the second connecting portion includes an internal thread 32 engaged with the external thread 12, so that the sleeve 3 can move along the direction of the thread by rotating the sleeve 3, and the position of the sleeve 3 can be adjusted. Through threaded connection, the needle base 1 and the sleeve 3 are firmly fixed, the extending distance of the needle body 2 is more convenient to adjust, and the sleeve 3 can be directly rotated.

As shown in fig. 1, in some embodiments of the present invention, the sleeve 3 is made of transparent material, which facilitates observation of the length of the sleeve 3 extending out of the needle holder 1; the length direction of the sleeve 3 is provided with scale marks for marking the length of the sleeve 3 extending out of the needle seat 1, and when the puncture length of the needle body 2 is calculated, the puncture length of the needle body 2 can be obtained by subtracting the length marked by the scale marks from the whole length of the needle body 2.

As shown in fig. 1 and 2, in some embodiments of the present invention, the needle body 2 is detachably connected to the needle seat 1, so that the needle body 2 can be replaced, the needle seat 1 can be provided with the needle bodies 2 of different sizes, and the needle bodies correspond to different puncture scenes, so that the puncture distance of the developing puncture needle of the present application can be adjusted in a wider range.

As shown in fig. 1 and 2, in some embodiments of the present invention, one end of the needle body 2 facing the needle base 1 is provided with a needle body seat 21, and the needle body seat 21 is connected with the needle base 1; the end of the needle base 1 facing the needle body 2 is provided with a groove 13 which is matched with the needle body seat 21 in size, the needle body seat 21 is fixed in the groove 13 and is firmly fixed in the groove 13, the outer side of the groove 13 is also provided with a fixing fastener 14, and after the needle body seat 21 is fixed in the groove 13, the fixing fastener 14 is fastened to firmly fix the needle body seat 21 in the groove 13. In particular, the fixing fastener 14 may be provided in plurality and arranged in parallel at both sides of the needle body 2, so that the fixing of the needle body seat 21 is further enhanced.

As shown in fig. 1, in some embodiments of the present invention, one end of the needle body 2 away from the needle seat 1 is a needle point 22, a concave portion 23 for enhancing the developing effect is provided on the needle point 22, the concave portion 23 increases the developing area of the needle point 22, the developing effect of the needle point 22 is enhanced, and the situation of puncture error caused by poor developing effect in the puncture process is prevented. It is understood that the recess 23 may be disposed in a ring shape, or may be disposed in a uniformly distributed dot shape, and is not particularly limited herein.

As shown in fig. 1, in some embodiments of the present invention, the concave portions 23 are disposed in a dot shape, the plurality of concave portions 23 are uniformly distributed on the needle tip 22, the equal distance between the concave portions 23 is equal, the space of the needle tip 22 is fully utilized, and the developing effect of the needle tip 22 is enhanced.

In some embodiments of the present invention, in order to prevent the sleeve 3 from damaging the skin when the time for abutting the sleeve 3 on the skin is too long, a side end surface of the sleeve 3 away from the needle seat 1 is set to be an outwardly convex arc-shaped surface, and a round corner transition is adopted between the outer peripheral surface and the inner peripheral surface of the arc-shaped surface and the sleeve 3, so that the side end surface of the sleeve 3 abutting the skin is more soft to contact with the skin, and the skin is not easily damaged.

In summary, the embodiment of the present invention provides an adjustable developing puncture needle with a precise distance, which is beneficial for assisting medical staff with insufficient experience to puncture, so as to improve the puncture efficiency and prevent additional damage to human body; when the sleeve 3 is abutted against the punctured skin side, the needle head is more firmly fixed in the body, and the skin near the wound is not easily damaged.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an adjustable development pjncture needle of accurate distance which characterized in that includes:

the sleeve, its inboard be provided with first connecting portion complex second connecting portion, the sleeve passes through the movably connection of second connecting portion in the telescopic outside, the sleeve stretches out the needle body is close to one side of needle body, the sleeve can move towards or dorsad the direction of needle body removes.

2. The precisely spaced adjustable developer puncture needle according to claim 1, characterized in that: the first connecting portion comprises a sliding groove, the second connecting portion comprises a sliding block connected to the sliding groove in a sliding mode, and the sleeve can move in the length direction of the needle base through the sliding block.

3. The precisely spaced adjustable developer puncture needle according to claim 2, characterized in that: the fixed ring that is provided with in the telescopic outside, fixed ring will when moving towards the needle file direction the sleeve is fixed in on the needle file.

4. The precisely spaced adjustable developer puncture needle according to claim 1, characterized in that: the needle file sets up to be cylindrical, first connecting portion including set up in the external screw thread in the needle file outside, second connecting portion include with external screw thread complex's internal thread.

5. The precision-spaced adjustable imaging puncture needle according to any one of claims 2 to 4, characterized in that: the sleeve is made of transparent materials, and scale marks are arranged in the length direction of the sleeve to mark the length of the sleeve extending out of the needle seat.

6. The precisely spaced adjustable developer puncture needle according to claim 1, characterized in that: the needle body and the needle seat are detachably connected.

7. The precisely spaced adjustable developer puncture needle according to claim 6, characterized in that: the needle body orientation the one end of needle file is provided with the needle body seat, the needle file orientation the one end of needle body be provided with needle body seat size complex recess, the outside of recess still is provided with fixed fastener.

8. The precisely spaced adjustable developer puncture needle according to claim 1, characterized in that: the needle body is kept away from the one end of needle file is the needle point, be provided with the depressed part on the needle point.

9. The adjustable fixed-distance developing puncture needle according to claim 8, wherein: the depressed parts are uniformly distributed on the needle tip.

10. The precisely spaced adjustable developer puncture needle according to claim 1, characterized in that: the end face of one side of the sleeve, which is far away from the needle seat, is provided with an arc-shaped surface which protrudes outwards, and the arc-shaped surface and the outer circumferential surface and the inner circumferential surface of the sleeve are in fillet transition.