Disposable mammary gland rotary cutting biopsy needle

Abstract

The utility model discloses a disposable mammary gland rotary cutting biopsy needle, and particularly relates to the technical field of medical devices, the biopsy needle comprises a biopsy needle body, the biopsy needle body comprises a shell, the shell is provided with a shifting button and a display screen, one end of the shell is fixedly provided with an outer needle tube, one end of the outer needle tube is provided with a sampling notch, and the sampling notch is provided with a through hole. An inner needle tube is arranged in the outer needle tube, and a power source, a driving assembly, a negative pressure pump and a collecting tank are arranged in the shell. The traditional structure is improved, the outer needle tube penetrates into tissues, the inner needle tube rotates under the help of the driving mechanism, so that the cutting operation of the tissues to be detected is completed, meanwhile, the position information of the inner needle tube is displayed on the display screen, the negative pressure pump works to generate negative pressure, and the negative pressure is sucked into the collecting tank to be taken out for detection. The motor, the power source and the negative pressure pump are integrated, the overall structure is simpler, and operation of a user is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and more specifically to a disposable breast rotary biopsy needle. Background Art

[0002] Clinically, under the monitoring of ultrasound equipment, the abnormal breast tissue found in the patient's imaging examination or palpation examination is completely or partially removed for use in biopsy sampling. Most of the breast rotary cutting puncture devices and biopsy needles available on the market are connected to special equipment, and the rotation and negative pressure must be provided by the equipment, which is extremely inconvenient to operate. This device integrates a motor, power supply, and negative pressure pump, allowing doctors to perform operations more flexibly. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present utility model provide a disposable breast rotary biopsy needle to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a disposable breast excision biopsy needle, comprising a biopsy needle body, the biopsy needle body comprising a shell, the shell is provided with a dial and a display screen, an outer needle tube is fixedly installed at one end of the shell, a sampling port is opened at one end of the outer needle tube, an inner needle tube is arranged in the outer needle tube, and a power supply, a driving component, a negative pressure pump, and a collection tank are arranged inside the shell;

[0005] The driving assembly comprises a motor, a driving gear is arranged at one end of the motor, and a driven gear is meshedly mounted on one side of the driving gear.

[0006] As a further improvement of the technical solution of the utility model, the driven gear is sleeved on the outside of the inner needle tube, and the two are fixedly connected.

[0007] As a further improvement of the technical solution of the utility model, a groove is provided at the end of the inner needle tube, and the groove corresponds to the sampling port.

[0008] As a further improvement of the technical solution of the utility model, one end of the inner needle tube passes through the housing to the collecting tank, and the suction end of the negative pressure pump is connected thereto through a pipeline.

[0009] As a further improvement of the technical solution of the utility model, the collecting tank on the shell is detachably connected.

[0010] As a further improvement of the technical solution of the utility model, the power source is a lithium battery, which is used to supply power to the whole.

[0011] As a further improvement of the technical solution of the utility model, a circuit board is arranged in the biopsy needle body for controlling the motor and the negative pressure pump.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model improves the previous structure, the outer needle tube pierces the tissue, and the inner needle tube rotates with the help of the driving mechanism, thereby completing the removal of the tissue to be inspected, and at the same time the position information of the inner needle tube is displayed on the display screen, the negative pressure pump generates negative pressure and sucks it into the collection tank to be taken out for inspection, so that the motor, power supply, and negative pressure pump are integrated, the overall structure is more streamlined, and it is convenient for users to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a three-dimensional diagram of the utility model.

[0016] Figure 3 It is a cross-sectional view of the utility model.

[0017] The accompanying drawings are marked as: 1 biopsy needle body, 2 shell, 3 dial knob, 4 display screen, 5 outer needle tube, 6 sampling port, 7 inner needle tube, 8 power supply, 9 drive assembly, 91 motor, 92 driving gear, 93 driven gear, 10 negative pressure pump, 11 collection tank. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] As attached Figure 1 , Attachment Figure 2 and attached Figure 3 The disposable breast rotary excision biopsy needle shown includes a biopsy needle body 1, a shell 2, a dial 3, a display screen 4, an outer needle tube 5, a sampling port 6, an inner needle tube 7, a power supply 8, a drive assembly 9, a motor 91, a driving gear 92, a driven gear 93, a negative pressure pump 10, and a collection tank 11. The biopsy needle body 1 includes a shell 2, on which a dial 3 and a display screen 4 are provided, an outer needle tube 5 is fixedly installed at one end of the shell 2, a sampling port 6 is opened at one end of the outer needle tube 5, an inner needle tube 7 is arranged in the outer needle tube 5, and a power supply 8, a drive assembly 9, a negative pressure pump 10, and a collection tank 11 are arranged inside the shell 2;

[0020] The driving assembly 9 includes a motor 91 . A driving gear 92 is disposed at one end of the motor 91 . A driven gear 93 is meshedly mounted on one side of the driving gear 92 .

[0021] The driven gear 93 is sleeved on the outside of the inner needle tube 7, and the two are fixedly connected.

[0022] A groove is provided at the end of the inner needle tube 7, which corresponds to the sampling port 6; one end of the inner needle tube 7 passes through the shell 2 to the collecting tank 11, and the suction end of the negative pressure pump 10 is connected thereto through a pipeline, so that the negative pressure pump 10 generates negative pressure to extract the living tissue collected by one end of the inner needle tube.

[0023] The collecting tank 11 on the housing 2 is detachably connected to facilitate taking out the living tissue inside.

[0024] The power source 8 is a lithium battery, which is used to power the whole body; a circuit board is arranged inside the biopsy needle body 1, which is used to control the motor 91 and the negative pressure pump 10, so as to facilitate the control of the whole body.

[0025] Working principle of this utility model:

[0026] The utility model is designed to be a novel disposable breast rotary cutting biopsy needle. The biopsy needle body 1 mainly includes a shell 2, a dial knob 3, a display screen 4, an outer needle tube 5, a sampling port 6, an inner needle tube 7 and other structures. During use, the device is inserted into the living tissue to be examined;

[0027] With the help of the monitoring equipment, the outer needle tube 6 penetrates the tissue so that the sampled tissue is located at the position of the sampling port 6. The dial button is turned, and the inner needle tube 5 rotates with the help of the driving mechanism 9. The dial button 3 controls the motor 91 to rotate, and the driving gear 92 on the motor 91 drives the driven gear 93 to rotate, thereby rotating the inner needle tube 7 to complete the removal of the tissue to be inspected. At the same time, the position information of the inner needle tube is displayed on the display screen, and the negative pressure pump 10 generates negative pressure and sucks it into the collection tank 11 to be taken out for inspection.

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A disposable breast biopsy needle, comprising a biopsy needle body (1), characterized in that: The biopsy needle body (1) comprises a shell (2), the shell (2) is provided with a dial knob (3) and a display screen (4), an outer needle tube (5) is fixedly mounted on one end of the shell (2), a sampling port (6) is provided at one end of the outer needle tube (5), an inner needle tube (7) is arranged inside the outer needle tube (5), and a power source (8), a drive component (9), a negative pressure pump (10), and a collection tank (11) are arranged inside the shell (2); The driving assembly (9) comprises a motor (91), one end of the motor (91) is provided with a driving gear (92), and one side of the driving gear (92) is meshedly mounted with a driven gear (93).

2. The disposable breast biopsy needle according to claim 1, characterized in that: The driven gear (93) is sleeved on the outside of the inner needle tube (7), and the two are fixedly connected.

3. The disposable breast biopsy needle according to claim 1, characterized in that: The end of the inner needle tube (7) is provided with a groove, and the groove corresponds to the sampling port (6).

4. The disposable breast biopsy needle according to claim 1, characterized in that: One end of the inner needle tube (7) passes through the housing (2) to the collecting tank (11), and the suction end of the negative pressure pump (10) is connected thereto via a pipeline.

5. The disposable breast biopsy needle according to claim 1, characterized in that: The collecting tank (11) on the housing (2) is detachably connected.

6. The disposable breast biopsy needle according to claim 1, characterized in that: The power source (8) is a lithium battery, which is used to supply power to the whole system.

7. The disposable breast biopsy needle according to claim 1, characterized in that: A circuit board is arranged inside the biopsy needle body (1) and is used to control the motor (91) and the negative pressure pump (10).

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