Suction and injection integrated needling instrument for soft tissue

Abstract

The utility model discloses a soft tissue suction and injection integrated needling instrument, which belongs to the field of medical instruments and comprises a suction tube, the suction tube comprises an outer tube body and an inner tube body, and the top of the inner tube body is fixedly connected to the inner top wall of the outer tube body. Through the arrangement of a suction cylinder and a uniform assembly, during use, the inner cylinder is filled with medicine, a first driving motor drives a first fluted disc to rotate, the first fluted disc rotates to uniformly drive a first push rod to move, then the first push rod uniformly moves to pull a first movable rod for uniform suction, and after suction is finished, a second driving motor drives a second fluted disc to rotate; a second fluted disc rotates to drive a second push rod to move, then the second push rod evenly moves to push a second movable rod to inject medicine in an inner cylinder, suction and injection speed is controlled to be always at the same speed, discomfort brought to a patient by slow and fast time is avoided, meanwhile, suction and injection do not need to be operated separately, and operation is convenient. And clinical actual operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to soft tissue suction injection integrated needle. BACKGROUND

[0002] The syringe is a kind of common medical appliance, and is mainly used for extracting or injecting gas or liquid in medical treatment, and the syringe can also be used for scientific instruments, such as some chromatography, to inject through rubber septum, and needs to use injection device when repairing soft tissue.

[0003] When the injection needle is used to treat soft tissue by suction and injection, the pushing and pulling speed is sometimes inconvenient to be always at a speed, and the pushing and pulling speed is fast or slow, which can cause discomfort to the patient and affect the subsequent treatment speed and efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of soft tissue suction injection integrated needle, to solve the problem that when the injection needle is used to treat soft tissue by suction and injection, the pushing and pulling speed is sometimes inconvenient to be always at a speed, and the pushing and pulling speed is fast or slow, which can cause discomfort to the patient and affect the subsequent treatment speed and efficiency.

[0005] To achieve the above object, the utility model uses the following technology: soft tissue suction injection integrated needle, including suction cylinder, the suction cylinder includes outer cylinder body and inner cylinder body, the inner cylinder body is fixedly connected to the top wall in the outer cylinder body, the bottom of outer cylinder body is provided with first injection head, the bottom of inner cylinder body is provided with second injection head, and the top of inner cylinder body is provided with installation shell;

[0006] One side of outer cylinder body surface is provided with first pull pipe, the other side of outer cylinder body surface is provided with second pull pipe, second pull pipe one end extends into outer cylinder body and is fixedly connected to the surface of inner cylinder body and is communicated with the inside of inner cylinder body, and the inside of first pull pipe is communicated with the inside of outer cylinder body;

[0007] Uniform assembly includes first drive motor and second drive motor installed on both sides of installation shell, and the output end of first drive motor and second drive motor is connected with one end of driving rod, and the other end of two driving rods is fixedly connected with first tooth disc and second tooth disc respectively, the surface of first tooth disc and second tooth disc is engaged with first push rod and second push rod respectively, the side surface of the inner wall of first push rod and second push rod is fixedly connected with first movable rod and second movable rod respectively, and the other end of first movable rod and second movable rod is inserted in the inside of first pull pipe and second pull pipe and is connected with piston head.

[0008] As a further description of the above technical solution: the two sides of the inner top wall of the mounting shell are provided with guide grooves, and the upper surfaces of the first push rod and the second push rod are fixedly connected with guide plates matched with the guide grooves.

[0009] As a further description of the above technical solution: the top of the outer surface of the outer cylinder is provided with a handle, and the surface of the handle is sleeved with a non-slip pad.

[0010] As a further description of the above technical solution: the diameter of the second injection head is smaller than that of the first injection head, and the second injection head is inside the first injection head.

[0011] As a further description of the above technical solution: the surface of the first injection head is provided with a puncture needle, and the surface of the outer cylinder is provided with scale lines.

[0012] As a further description of the above technical solution: the piston head is conical, and the outer cylinder and the inner cylinder have a space gap.

[0013] As a further description of the above technical solution: the diameters of the first pull pipe and the second pull pipe are equal, and the two piston heads are respectively inside the first pull pipe and the second pull pipe.

[0014] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0015] Through the setting of the suction cylinder and the uniform assembly, the inner cylinder is filled with medicine during use, the first driving motor drives the first toothed disc to rotate, the first toothed disc uniformly drives the first push rod to move, then the first push rod uniformly moves to pull the first movable rod to uniformly suck, after the suction is completed, the second driving motor drives the second toothed disc to rotate, the second toothed disc drives the second push rod to move, then the second push rod uniformly moves to push the second movable rod to inject the medicine in the inner cylinder, thereby controlling the suction and injection speed, and always being at a speed, so as to avoid the discomfort of the patient caused by slow and fast, and also to avoid separate operation of suction and injection, which facilitates clinical actual operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 An overall structure schematic view is shown according to an embodiment of the present application;

[0017] Figure 2 A suction cylinder cut structure schematic view is shown according to an embodiment of the present application;

[0018] Figure 3 An inner cylinder structure schematic view is shown according to an embodiment of the present application;

[0019] Figure 4A schematic diagram of an outer cylinder structure is shown according to an embodiment of the present application.

[0020] Figure 5 A schematic diagram of the uniform assembly is shown according to an embodiment of the present application.

[0021] Legend:

[0022] 1, suction cylinder; 11, outer cylinder; 111, first pull tube; 112, second pull tube; 12, inner cylinder; 13, first injection head; 14, second injection head; 15, mounting shell; 2, uniform assembly; 21, first drive motor; 22, second drive motor; 23, drive rod; 24, first tooth disc; 25, second tooth disc; 26, first push rod; 27, second push rod; 28, first movable rod; 29, second movable rod; 210, piston head; 3, guide plate; 4, handle; 5, puncture needle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Referring to Figures 1-5 The soft tissue suction and injection integrated needle provided by the embodiment comprises a suction cylinder 1, the suction cylinder 1 comprises an outer cylinder 11 and an inner cylinder 12 fixedly connected to the top wall in the outer cylinder 11, the bottom of the outer cylinder 11 is provided with a first injection head 13, the bottom of the inner cylinder 12 is provided with a second injection head 14, and the top of the inner cylinder 12 is provided with a mounting shell 15.

[0025] One side of the surface of the outer cylinder 11 is provided with a first pull tube 111, the other side of the surface of the outer cylinder 11 is provided with a second pull tube 112, one end of the second pull tube 112 extends into the outer cylinder 11 and is fixedly connected to the surface of the inner cylinder 12 and communicates with the inside of the inner cylinder 12, and the inside of the first pull tube 111 communicates with the inside of the outer cylinder 11.

[0026] The uniform assembly 2 comprises a first driving motor 21 and a second driving motor 22 installed on both sides of the mounting shell 15, one end of the output end of the first driving motor 21 and the second driving motor 22 is connected with a driving rod 23, the other end of the two driving rods 23 is fixedly connected with a first tooth disc 24 and a second tooth disc 25 respectively, the surface of the first tooth disc 24 and the second tooth disc 25 is engaged with a first push rod 26 and a second push rod 27 respectively, the side surface of the inner wall of the first push rod 26 and the second push rod 27 is fixedly connected with a first movable rod 28 and a second movable rod 29 respectively, the other end of the first movable rod 28 and the second movable rod 29 is inserted in the inside of a first pull pipe 111 and a second pull pipe 112 and is connected with a piston head 210.

[0027] In the utility model, first, the second driving motor 22 drives the second tooth disc 25 to rotate, the second tooth disc 25 pulls the second movable rod 29 in the inside of the inner cylinder body 12, and the medicine is inhaled into the inner cylinder body 12, then the puncture needle 5 is inserted into the soft tissue, then the first driving motor 21 drives the first tooth disc 24 to rotate, the first tooth disc 24 rotates and uniformly drives the first push rod 26 to move, then the first push rod 26 uniformly moves and pulls the first movable rod 28 to uniformly suck, after sucking, the second driving motor 22 drives the second tooth disc 25 to rotate, the second tooth disc 25 rotates and drives the second push rod 27 to move, then the second push rod 27 uniformly moves and pushes the second movable rod 29 to inject the medicine in the inner cylinder body 12, the sucking and the injection are operated separately, the clinical actual operation is facilitated, the sucking and the injection speed are controlled, and the patient is avoided from being uncomfortable;

[0028] Specifically, as shown in Figure 1 and Figure 2 The two sides of the inner top wall of the mounting shell 15 are provided with guide grooves, and the upper surfaces of the first push rod 26 and the second push rod 27 are fixedly connected with guide plates 3 matched with the guide grooves.

[0029] The first push rod 26 and the second push rod 27 are more stable when moving horizontally, and deviation is avoided.

[0030] Specifically, as shown in Figure 1 and Figure 2 The top of the outer surface of the outer cylinder body 11 is provided with a handle 4, and the surface of the handle 4 is sleeved with a non-slip pad.

[0031] The handle 4 facilitates medical staff to hold the needle and better puncture.

[0032] Specifically, as shown in Figure 2 The straight diameter of the second injection head 14 is smaller than that of the first injection head 13, and the second injection head 14 is inside the first injection head 13.

[0033] The injection and suction can be combined without pulling out the syringe for operation through the arrangement of the first injection head 13 and the second injection head 14.

[0034] Specifically, as shown in the figure, Figure 1 The first injection head 13 is provided with a puncture needle 5, and the outer cylinder 11 is provided with a scale line.

[0035] The suction condition of the outer cylinder 11 and the injection condition of the medicine in the inner cylinder 12 can be clearly observed through the arrangement of the scale line.

[0036] Specifically, as shown in the figure, Figure 5 The piston head 210 is conical, and the outer cylinder 11 and the inner cylinder 12 have a space gap.

[0037] Specifically, as shown in the figure, Figure 5 The first pull pipe 111 and the second pull pipe 112 have equal diameters, and the two piston heads 210 are respectively arranged in the first pull pipe 111 and the second pull pipe 112.

[0038] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A soft tissue suction and injection integrated needle device comprising a suction cylinder (1), characterized in that, The suction cylinder (1) comprises an outer cylinder body (11) and an inner cylinder body (12) fixedly connected to the inner top wall of the outer cylinder body (11), the bottom of the outer cylinder body (11) is provided with a first injection head (13), the bottom of the inner cylinder body (12) is provided with a second injection head (14), and the top of the inner cylinder body (12) is provided with a mounting shell (15). One side of the surface of the outer cylinder body (11) is provided with a first pull pipe (111), and the other side of the surface of the outer cylinder body (11) is provided with a second pull pipe (112), one end of the second pull pipe (112) extends into the outer cylinder body (11) and is fixedly connected to the surface of the inner cylinder body (12) and communicates with the inside of the inner cylinder body (12), and the inside of the first pull pipe (111) communicates with the inside of the outer cylinder body (11). The uniform assembly (2) comprises first and second drive motors (21) and (22) mounted on both sides of the mounting shell (15), one end of each of the output ends of the first and second drive motors (21) and (22) is connected to a drive rod (23), the other end of each of the two drive rods (23) is fixedly connected to a first and second toothed disc (24) and (25), the surface of each of the first and second toothed discs (24) and (25) is engaged with a first and second push rod (26) and (27), the side surface of the inner wall of each of the first and second push rods (26) and (27) is fixedly connected to a first and second movable rod (28) and (29), and the other end of each of the first and second movable rods (28) and (29) is inserted into the inside of the first and second pull pipes (111) and (112) and connected to a piston head (210).

2. The soft tissue aspiration-injection integrated needle according to claim 1, wherein, The two sides of the inner top wall of the mounting shell (15) are each provided with a guide groove, and the upper surface of each of the first and second push rods (26) and (27) is fixedly connected to a guide plate (3) matched with the guide groove.

3. The soft tissue aspiration-injection integrated needle of claim 1, wherein, The top of the outer surface of the outer cylinder body (11) is provided with a handle (4), and the surface of the handle (4) is sleeved with a non-slip pad.

4. The soft tissue aspiration-injection integrated needle of claim 1, wherein, The diameter of the second injection head (14) is smaller than that of the first injection head (13), and the second injection head (14) is inside the first injection head (13).

5. The soft tissue aspiration-injection integrated needle of claim 1, wherein, A puncture needle (5) is mounted on the surface of the first injection head (13), and the surface of the outer cylinder body (11) is provided with a scale line.

6. The soft tissue aspiration-injection integrated needle of claim 1, wherein, The piston head (210) is conical, and there is a space gap between the outer cylinder body (11) and the inner cylinder body (12).

7. The soft tissue aspiration-injection integrated needle of claim 1, wherein, The diameters of the first and second pull pipes (111) and (112) are equal, and the two piston heads (210) are respectively inside the first and second pull pipes (111) and (112). The diameters of the first and second pull pipes (111) and (112) are equal, and the two piston heads (210) are respectively inside the first and second pull pipes (111) and (112).

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