CN219184021U

CN219184021U - Puncture needle with scale marks

Info

Publication number: CN219184021U
Application number: CN202223307452.3U
Authority: CN
Inventors: 谢宁; 朱永宁
Original assignee: AFFILIATED HOSPITAL OF JINING MEDICAL UNIVERSITY
Current assignee: AFFILIATED HOSPITAL OF JINING MEDICAL UNIVERSITY
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-06-16
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a puncture needle with scale marks, which belongs to the technical field of puncture needles and comprises: a needle cylinder; the top cover is detachably connected to the needle cylinder, and the surface of the top cover is fixedly connected with a handle; the puncture needle body is arranged in the needle cylinder; the scale mark main body is arranged on the surface of the needle cylinder, the moving mechanism is arranged on the needle cylinder, and the moving mechanism is connected with the puncture needle main body.

Description

Puncture needle with scale marks

Technical Field

The utility model relates to the technical field of puncture needles, in particular to a puncture needle with scale marks.

Background

The puncture needle is a medical instrument for sampling and injecting the tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate gland, pancreas, testis, uterus, ovary, body surface and the like in the minimally invasive surgery.

The utility model discloses a part has the patent document of pjncture needle among the prior art, chinese patent with application number of CN201520443441.9 discloses a take scale abdominal cavity pjncture needle, relate to medical operation articles for use technical field, it includes syringe needle (1), buffer (2), trachea (3), pipe box (4) and pneumatic connecting device, be equipped with the gas circuit in syringe needle (1), the one end of pipe box (4) is equipped with the syringe needle draw-in groove, the one end of syringe needle (1) is passed through buffer (2) movable mounting in the syringe needle draw-in groove of pipe box (4), trachea (3) are located pipe box (4), the one end of trachea (3) communicates with each other with the gas circuit of syringe needle (1), pneumatic connecting device installs on pipe box (4), and pneumatic connecting device communicates with each other with the other end of trachea (3), be equipped with scale (4-1) on the outer wall of pipe box (4). The popularization of the utility model can provide the abdominal cavity puncture needle with scales, the structural design is simple and reasonable, and the scales marks are made on the trocar so as to facilitate accurate judgment of an operator, but not blind feeling, and prevent the trocar from being inserted too deeply to damage organs in the abdomen of a patient.

In the above patent, the puncture needle with scales is directly manually punctured into a patient body by a doctor, the manual puncture extremely tests the using proficiency of the doctor, the problem that the hand shake puncture is too deep can occur, the puncture depth is difficult to master, and the use is inconvenient, so we propose the puncture needle with scale marks.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the puncture needle with the scale marks, the sliding plate and the puncture needle main body are pushed to move through the threaded cooperation of the screw rod and the fixed nut, the puncture needle main body is slowly inserted into a patient through the slow rotation rotating handle, the convenience of inserting the puncture needle main body into the patient is optimized, the problem of too deep hand shake puncture is prevented, the puncture depth is also easy to master, and the practicability is optimized.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme:

a puncture needle with scale markings, comprising:

a needle cylinder;

the top cover is detachably connected to the needle cylinder, and the surface of the top cover is fixedly connected with a handle;

the puncture needle main body is arranged in the needle cylinder;

the scale mark main body is arranged on the surface of the needle cylinder;

the moving mechanism is arranged on the needle cylinder and is connected with the puncture needle body.

As a preferable scheme of the utility model, the moving mechanism comprises a moving component and a limiting component, wherein the moving component and the limiting component are arranged on the needle cylinder, and the moving component is connected with the limiting component.

As a preferable scheme of the utility model, the moving assembly comprises a fixed nut, a screw rod, a rotating handle and a sliding plate, wherein the fixed nut is fixedly connected in the top cover, the sliding plate is slidably connected in the needle cylinder and detachably connected with the puncture needle main body, the screw rod is rotatably connected on the sliding plate, the screw rod is in threaded connection in the fixed nut, and the rotating handle is fixedly connected to the upper end of the screw rod.

As a preferable scheme of the utility model, the limiting component comprises two sliding blocks and two mounting grooves, wherein the two sliding blocks are respectively and fixedly connected with the left end and the right end of the sliding plate, the two mounting grooves are respectively arranged on the needle cylinder, and the two sliding blocks are respectively and slidably connected in the two mounting grooves.

As a preferable scheme of the utility model, one end, away from each other, of the two sliding blocks is fixedly connected with an indication arrow.

As a preferable scheme of the utility model, guide plates are fixedly connected in the two mounting grooves, guide holes are formed in the upper ends of the two sliding blocks, and the two guide holes are in sliding fit with the two guide plates.

As a preferable scheme of the utility model, the surface of the needle cylinder is fixedly connected with three supporting seats.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) When the device is needed to be used, the supporting seat is placed on the skin surface of a patient, the needle cylinder is stabilized by holding the handle, the needle cylinder is prevented from shaking, the rotating handle is held to rotate, the rotating handle rotates to drive the screw rod to rotate, the screw rod moves up and down in the fixed nut through the threaded cooperation of the screw rod and the fixed nut, when the screw rod rotates reversely, the screw rod moves downwards in the fixed nut, the sliding plate is pushed to move downwards through the movement of the screw rod, and the puncture needle body is pushed to move downwards through the movement of the sliding plate, so that the puncture needle body is penetrated into the patient, the rotating handle is slowly rotated at the moment to enable the puncture needle body to be slowly inserted into the patient, the indication arrow and the scale mark body are focused at the moment so as to know the depth of the puncture needle body penetrating into the patient.

(2) In this scheme, the seting up of mounting groove is in order to be convenient for with slider sliding fit, and the sliding fit of mounting groove and slider is convenient for slide stable removal, and the deflector is in order to be convenient for with guiding hole sliding fit, and the slide stable slip of being convenient for through the sliding fit of deflector and guiding hole, the fixed surface of cylinder is connected with three supporting seat, and three supporting seat is in order to be convenient for support the cylinder.

Drawings

FIG. 1 is an overall exploded view of a puncture needle with scale markings according to the present utility model;

FIG. 2 is a front perspective view of a puncture needle with scale markings according to the present utility model;

FIG. 3 is a bottom perspective view of a lancet with scale markings of the present utility model;

fig. 4 is a cross-sectional view of a needle cartridge having a graduated scale marking of the present utility model.

The reference numerals in the figures illustrate:

1. a needle cylinder; 2. a top cover; 3. a grip; 4. a fixed nut; 5. a screw; 6. a rotating handle; 7. a slide plate; 8. a lancet body; 9. a slide block; 10. a guide hole; 11. an indication arrow; 12. a scale mark body; 13. a mounting groove; 14. a guide plate; 15. and a supporting seat.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a puncture needle with scale marks, comprising:

a needle cylinder 1;

the top cover 2 is detachably connected to the needle cylinder 1, and the surface of the top cover 2 is fixedly connected with the handle 3;

a puncture needle body 8, the puncture needle body 8 being disposed within the cylinder 1;

the scale mark main body 12, the scale mark main body 12 is arranged on the surface of the needle cylinder 1.

In this embodiment, the top cover 2 is used to seal the syringe 1, the puncture needle body 8 is used to facilitate the puncture operation, and it should be noted that: the puncture needle main body 8 is the prior art in the field, so that details are not needed, the scale mark main body 12 is used for conveniently observing the moving distance of the puncture needle main body 8, the sliding plate 7 and the puncture needle main body 8 are pushed to move through the threaded fit of the screw rod 5 and the fixed nut 4, the puncture needle main body 8 is slowly inserted into a patient through the slow rotation of the rotating handle 6, the convenience of the puncture needle main body 8 in the patient is optimized, the problem of too deep hand shake puncture is prevented, the puncture depth is also easy to master, and the practicability is optimized.

Specifically, the moving mechanism comprises a moving assembly and a limiting assembly, wherein the moving assembly and the limiting assembly are arranged on the needle cylinder 1, and the moving assembly is connected with the limiting assembly.

In this embodiment, the moving mechanism includes a moving component and a limiting component, where the moving component and the limiting component are both disposed on the syringe 1, and the moving component and the limiting component are connected.

Specifically, the moving assembly comprises a fixed nut 4, a screw rod 5, a rotating handle 6 and a sliding plate 7, wherein the fixed nut 4 is fixedly connected in the top cover 2, the sliding plate 7 is slidably connected in the needle cylinder 1, the sliding plate 7 is detachably connected with the puncture needle main body 8, the screw rod 5 is rotationally connected to the sliding plate 7, the screw rod 5 is in threaded connection with the fixed nut 4, and the rotating handle 6 is fixedly connected to the upper end of the screw rod 5.

In this embodiment, the fixed nut 4 is used to facilitate the threaded engagement with the screw 5, the sliding plate 7 is used to move stably through the threaded engagement between the fixed nut 4 and the screw 5, the rotating handle 6 is used to facilitate the rotation of the screw 5, and the sliding plate 7 is used to facilitate the connection with the puncture needle body 8.

Specifically, the spacing subassembly includes slider 9 and mounting groove 13, and slider 9 and mounting groove 13 all set up to two, and two slider 9 are fixed connection respectively in the left and right sides both ends of slide 7, and two mounting groove 13 all offer on cylinder 1, and two slider 9 are sliding connection respectively in two mounting groove 13.

In this embodiment, the installation groove 13 is provided to facilitate sliding fit with the slider 9, and the sliding fit of the installation groove 13 and the slider 9 facilitates stable movement of the slider 7.

Specifically, the ends of the two sliding blocks 9, which are far away from each other, are fixedly connected with an indication arrow 11.

In this embodiment, the indication arrow 11 is for the convenience of indicating the scale of the scale marking body 12.

Specifically, guide plates 14 are fixedly connected in the two mounting grooves 13, guide holes 10 are formed in the upper ends of the two sliding blocks 9, and the two guide holes 10 are in sliding fit with the two guide plates 14.

In this embodiment, the guide plate 14 is for facilitating sliding fit with the guide hole 10, and the sliding plate 7 is for stable sliding by sliding fit between the guide plate 14 and the guide hole 10.

Specifically, the surface of the needle cylinder 1 is fixedly connected with three supporting seats 15.

In this embodiment, three supporting seats 15 are fixedly connected to the surface of the syringe 1, and the three supporting seats 15 are for supporting the syringe 1 conveniently.

Working principle: when the device is needed to be used, firstly, the supporting seat 15 is placed on the skin surface of a patient, then the needle cylinder 1 is stabilized by holding the handle 3, the needle cylinder 1 is prevented from shaking, at the moment, the handle 6 is held by holding, the handle 6 is rotated, the screw rod 5 is driven to rotate by the rotation of the handle 6, the screw rod 5 moves up and down in the fixed nut 4 through the threaded fit of the screw rod 5 and the fixed nut 4, when the screw rod 5 is reversed, the screw rod 5 moves downwards from the fixed nut 4, the sliding plate 7 is pushed to move downwards through the movement of the screw rod 5, the puncture needle body 8 is pushed to move downwards through the movement of the sliding plate 7, so that the puncture needle body 8 is penetrated into the patient, the puncture needle body 8 is slowly inserted into the patient, the indicating arrow 11 and the scale mark body 12 are paid attention to at the moment, so that the puncture needle body 8 is penetrated into the depth of the patient, the sliding plate 7 and the puncture needle body 8 are pushed to move through the threaded fit of the screw rod 5 and the fixed nut 4, the puncture needle body 8 is slowly inserted into the patient, the puncture needle body 8 is prevented from being inserted into the patient, and the puncture needle body 8 is prevented from shaking easily and the puncture needle body is easy to grasp.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.

Claims

1. A puncture needle with scale marks, comprising:

a needle cylinder (1);

the top cover (2) is detachably connected to the needle cylinder (1), and the surface of the top cover (2) is fixedly connected with the handle (3);

a puncture needle main body (8), wherein the puncture needle main body (8) is arranged in the needle cylinder (1);

a scale mark main body (12), wherein the scale mark main body (12) is arranged on the surface of the needle cylinder (1);

the moving mechanism is arranged on the needle cylinder (1) and is connected with the puncture needle main body (8).

2. A puncture needle with scale marks according to claim 1, characterized in that: the moving mechanism comprises a moving assembly and a limiting assembly, wherein the moving assembly and the limiting assembly are arranged on the needle cylinder (1), and the moving assembly is connected with the limiting assembly.

3. A puncture needle with scale marks according to claim 2, characterized in that: the movable assembly comprises a fixed nut (4), a screw rod (5), a rotating handle (6) and a sliding plate (7), wherein the fixed nut (4) is fixedly connected in the top cover (2), the sliding plate (7) is slidably connected in the needle cylinder (1), the sliding plate (7) is detachably connected with the puncture needle main body (8), the screw rod (5) is rotationally connected onto the sliding plate (7), the screw rod (5) is in threaded connection with the fixed nut (4), and the rotating handle (6) is fixedly connected to the upper end of the screw rod (5).

4. A puncture needle with scale marks according to claim 3, characterized in that: the limiting assembly comprises two sliding blocks (9) and two mounting grooves (13), wherein the two sliding blocks (9) and the two mounting grooves (13) are respectively fixedly connected to the left end and the right end of the sliding plate (7), the two mounting grooves (13) are respectively formed in the needle cylinder (1), and the two sliding blocks (9) are respectively and slidably connected to the two mounting grooves (13).

5. A puncture needle with scale marks according to claim 4, characterized in that: and one ends, far away from the two sliding blocks (9), of the sliding blocks are fixedly connected with indication arrows (11).

6. A puncture needle with scale marks according to claim 5, characterized in that: guide plates (14) are fixedly connected in the two mounting grooves (13), guide holes (10) are formed in the upper ends of the two sliding blocks (9), and the two guide holes (10) are in sliding fit with the two guide plates (14).

7. A puncture needle with scale marks according to claim 6, characterized in that: three supporting seats (15) are fixedly connected to the surface of the needle cylinder (1).