Mammary gland rotary cutting biopsy needle
By integrating a camera, reflector, and illumination lamp into the breast biopsy needle, the problem of not being able to observe the biopsy site under ultrasound guidance is solved, enabling direct observation of the biopsy site and improving the accuracy and safety of the surgery.
Patent Information
- Application Number
- CN202422894494.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-11-26
AI Technical Summary
When using existing breast biopsy needles under ultrasound guidance, it is impossible to directly observe the human tissue at the biopsy site, which affects the accuracy of the doctor's judgment and leads to the phenomenon of making an extra incision.
A breast biopsy needle was designed, equipped with a camera and a reflective mirror. The reflective mirror reflects human tissue and the camera captures the image. Combined with an illumination lamp, a partition is set inside the outer needle tube to separate the inner cavity to protect the camera. A pressure compensation system is also provided to prevent secondary damage.
This allows for direct observation of the human tissue at the cutting site, improving the accuracy and safety of the surgery, avoiding the risk of making an extra incision, and ensuring the surgical outcome and patient safety.
Smart Images
Figure CN223773803U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field, especially a breast punch biopsy needle. BACKGROUND
[0002] Breast disease is a common gynecological disease, and it is very important to make clear diagnosis and treat the disease in time, especially cancerous mass, if diagnosing and treating in time, the cure success rate is very high. At present, the most common method for diagnosing and treating breast disease is puncture, which can determine the nature of breast disease and provide basis for subsequent targeted treatment.
[0003] At present, the use of breast punch biopsy needle is operated under the guidance of ultrasonic image, and the punch effect is also observed through ultrasonic image. However, this operation guided by ultrasonic image cannot directly observe the human tissue condition of the punch part, which affects the accuracy of the doctor's judgment, so during the operation, the doctor often adopts the method of cutting one more time to ensure that the diseased part is punched clean. UTILITY MODEL CONTENT
[0004] In view of the defects of the prior art, the utility model provides a breast punch biopsy needle. The breast punch biopsy needle can directly observe the human tissue of the punch part.
[0005] The utility model realizes the following technical scheme:
[0006] A breast punch biopsy needle, comprising a needle tube, the needle tube comprising an outer needle tube and a puncture head mounted at the end of the outer needle tube, the punch biopsy needle further comprising a camera and a mirror surface, the camera and the mirror surface are both accommodated in the outer needle tube, and the mirror surface is arranged on the puncture head, a first window is formed in the part of the outer needle tube close to the puncture head, the mirror surface is used for reflecting the human tissue located at the first window, and the camera is used for shooting the human tissue reflected by the mirror surface.
[0007] Further, the puncture head extends to the inside of the outer needle tube to form a boss, and the connection part of the puncture head and the boss is mirror-finished to form the mirror surface.
[0008] Further, the front end of the camera is provided with an illuminating lamp, the illuminating lamp is used for light supplementing during the working process of the camera, so that the image collected by the camera is clearer.
[0009] Further, the needle tube further comprises a partition plate, the partition plate is accommodated in the outer needle tube and divides the inside of the outer needle tube into a first inner cavity and a second inner cavity.
[0010] Further, the first window is located in the first inner cavity.
[0011] Further, the partition plate is provided with a second window at the part close to the puncture head.
[0012] Further, the camera and the reflecting mirror are accommodated in the second inner cavity.
[0013] Further, the light path of the illuminating lamp is reflected by the reflecting mirror and then passes through the first window, the second window and the human tissue in sequence.
[0014] Further, the camera is connected with a cable, and the outer needle tube is provided with a connecting sleeve, and a wire slot is formed in the connecting sleeve to connect the cable with external equipment.
[0015] Further, the needle tube further comprises an inner needle tube, and the inner needle tube is movably accommodated in the first inner cavity.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] 1. By using the reflecting mirror, the human tissue located at the first window can be captured by the camera through the reflecting action, so that the human tissue can be directly observed.
[0018] 2. By arranging the illuminating lamp, the illuminating lamp is used for light supplementing during the working process of the camera, so that the image collected by the camera is clearer.
[0019] 3. By arranging the partition plate in the outer needle, the outer needle tube is divided into the first inner cavity and the second inner cavity, so that the inner needle tube and the camera are separated, and the inner needle tube is prevented from damaging the camera during the use process. DETAILED DESCRIPTION
[0020] Figure 1 It is a stereoscopic assembly view of a breast rotary biopsy needle according to an embodiment of the utility model;
[0021] Figure 2 It is a stereoscopic assembly view of a needle tube;
[0022] Figure 3 It is an exploded view of the needle tube;
[0023] Figure 4 It is a sectional view of the needle tube;
[0024] Figure 5 It is a structure schematic view of the air suction pipeline and the air supplement pipeline;
[0025] Label explanation: 1, rotary cutting needle body; 2, tissue collector; 3, needle tube; 31, outer needle tube; 311, first inner cavity; 312, second inner cavity; 313, first window; 32, inner needle tube; 322, cutting edge; 33, partition; 331, second window; 34, puncture head; 341, boss; 35, connecting sleeve; 351, wire slot; 352, pipe joint; 41, camera; 42, cable; 43, mirror surface; 51, first flat pressure valve; 52, negative pressure air inlet valve; 53, air suction pipeline; 54, air supplement pipeline; 61, second flat pressure valve; 62, medicine inlet valve; 63, air extraction pipeline; 64, medicine inlet pipeline; 65, injection pump; 8, medicine bag. DETAILED DESCRIPTION
[0026] The utility model technical scheme will be further described in detail below in combination with the preferred embodiments and the drawings. In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as limiting the utility model.
[0027] As Figure 1 shown, the breast rotary cutting biopsy needle of one embodiment of the utility model includes rotary cutting needle body 1, tissue collector 2, needle tube 3 and pressure compensation system. Rotary cutting needle body 1 belongs to prior art, and it is convenient for medical staff to hold and operate, and the front end of rotary cutting needle body 1 is connected with needle tube 3, and the tail end is connected with tissue collector 2. Tissue collector 2 belongs to prior art, and is used to collect human tissue cut by rotary cutting biopsy needle. Pressure compensation system is used to extract human tissue under negative pressure state and carry out pressure compensation in the process of injecting medicine, to prevent secondary injury to human body.
[0028] As Figure 2 and Figure 3As shown, the needle tube 3 comprises an outer needle tube 31, an inner needle tube 32 and a puncture head 34. Among them, the inner needle tube 31 is through inside, and the tail end of the outer needle tube 31 is connected on the atherectomy needle body 1, and the front end is connected with the puncture head 34. The head of the puncture head 34 is sharp, which is in the shape of a pyramid, used to reduce the resistance of the outer needle tube 31 piercing into human tissue. The inner needle tube 32 is arranged inside the outer needle tube 31 and has a gap between the outer needle tube 31. And the tail end of the inner needle tube 32 communicates with the tissue collector 2 through the atherectomy needle body 1, and the front end of the inner needle tube 32 is provided with a sharp blade 322, which is used to rotate and cut human lesion tissue. And the outer needle tube 31 is provided with a first window 313 near the puncture head 34. The front blade 322 of the inner needle tube 32 is located in the first window 313, and the blade 322 of the inner needle tube 32 is in contact with the human lesion tissue and rotates, which provides convenience for the blade 322 of the inner needle tube 32 to cut human tissue.
[0029] Further reference Figure 3 And Figure 4 The needle tube 3 further comprises a partition plate 33. The partition plate 33 is accommodated inside the outer needle tube 31 and abuts with the inner wall of the outer needle tube 31, dividing the inside of the outer needle tube 31 into a first inner cavity 311 and a second inner cavity 312. And the partition plate 33 is provided with a second window 331 near the puncture head 34, so that the first inner cavity 311 and the second inner cavity 312 are communicated. Specifically, the first window 313 is located on the side wall of the first inner cavity 311, and the inner needle tube 32 is accommodated in the first inner cavity 311.
[0030] The atherectomy biopsy needle also comprises a camera 41 and a mirror surface 43 accommodated in the second inner cavity 312. Among them, the mirror surface 43 is arranged on the puncture head 34. Specifically, the puncture head 34 extends into the second inner cavity 312 of the outer needle tube 31 and forms a boss 341, and the connection between the puncture head 34 and the boss 341 is mirror finished to form the mirror surface 43. By mirror finishing the connection between the puncture head 34 and the boss 341 to form the concave mirror surface 43, the reflection effect can be increased. And the mirror surface 43 can be observed through the second window 331 to observe the human tissue located in the first window 313. Therefore, the human tissue located in the first window 313 can be captured by the camera 41 through the reflection of the mirror surface 43, so that the human tissue can be observed directly.
[0031] Further, the end of the camera 41 is connected with a cable 42, and the end of the outer needle tube 31 is also provided with a connecting sleeve 35, and the connecting sleeve 35 is provided with a wire slot 351, and the cable 42 passes through the wire slot 351 and is connected with a host computer (not shown in the figure). The front end of the camera 41 abuts against the end of the boss 341. And the front end of the camera 41 is provided with an illuminating lamp (not shown in the figure), which is used for light compensation in the working process of the camera 41, so that the image collected by the camera 41 is clearer, and the illuminating lamp is preferably an LED lamp.
[0032] Further, the light path of the illuminating lamp is reflected by the mirror surface 43 and then passes through the first window 313, the second window 331 to the human tissue in sequence, so that the camera 41 can clearly shoot the human lesion tissue.
[0033] Reference Figure 5 The pressure compensation system comprises an air suction pipeline 53 and a gas supplement pipeline 54. One end of the air suction pipeline 53 is in communication with the tissue collector 2, and the other end is connected with a host computer (not shown in the figure), wherein the host computer can provide negative pressure for the air suction pipeline 53. And the air suction pipeline 53 is provided with a negative pressure air inlet valve 52 for controlling the opening and closing of the air suction pipeline 53. One end of the gas supplement pipeline 54 is in communication with the needle tube 3, and the other end is in communication with external air. Specifically, the gas supplement pipeline 54 is in communication with the second inner cavity 312 of the outer needle tube 31. The gas supplement pipeline 54 is provided with a first pressure valve 51 for controlling the opening and closing of the gas supplement pipeline 54.
[0034] Reference Figure 1 The pressure compensation system further comprises a medicine inlet pipeline 64 and an air extraction pipeline 63. One end of the medicine inlet pipeline 64 is in communication with the gas supplement pipeline 54, and the other end is connected with a medicine bag 8. Specifically, the communication point of the medicine inlet pipeline 64 and the gas supplement pipeline 54 is located between the needle tube 3 and the first pressure valve 51. And the medicine inlet pipeline 64 is provided with a medicine inlet valve 62 for controlling the opening and closing of the medicine inlet pipeline 64. Further, the medicine inlet pipeline 64 is further provided with an injection pump 65, which is located between the medicine bag 8 and the medicine inlet valve 62, so that the medicine can enter the inside of the rotary biopsy needle smoothly. One end of the air extraction pipeline 63 is in communication with the air suction pipeline 53, and the other end is connected with the host computer. Specifically, the communication point of the air extraction pipeline 63 and the air suction pipeline 53 is located between the tissue collector 2 and the negative pressure air inlet valve 52. And the air extraction pipeline 63 is provided with a second pressure valve 61 for controlling the opening and closing of the air extraction pipeline 63.
[0035] When negative pressure sampling, the second flat valve 61, the drug valve 62 and the injection pump 65 are closed, the first flat valve 51 and the negative pressure inlet valve 52 are opened, under the action of the negative pressure provided by the main machine, the external air enters through the air supplement pipeline 54 and sequentially passes through the second inner cavity 312 of the outer needle tube 31, the second window 331, the first inner cavity 311 of the outer needle tube 31, the inner needle tube 32, the tissue collector 2 and the air suction pipeline 53. Among them, the rotary cutting needle body 1 drives the inner needle tube 32 to move to the puncture head 34 direction and carries out rotary cutting to the pathological human tissue, the human tissue cut by the rotary biopsy needle enters the tissue collector 2 through the inner needle tube 32 along with the air entering the first inner cavity 311. By setting the air supplement pipeline 54, the external air is supplemented in the process of the air suction pipeline 53 sucking the cut human tissue, the pressure balance inside the rotary biopsy needle is maintained, other human tissues are prevented from entering the rotary biopsy needle under the suction of the negative pressure, so as to avoid secondary injury to the human body.
[0036] When injecting liquid medicine, the first flat valve 51 and the negative pressure inlet valve 52 are closed, the second flat valve 61, the drug valve 62 and the injection pump 65 are opened. Under the power action of the injection pump 65, the liquid medicine in the liquid medicine bag 8 enters through the drug pipeline 64 and sequentially passes through the air supplement pipeline 54, the second inner cavity 312 of the outer needle tube 31, the second window 331, the first inner cavity 311 of the outer needle tube 31. Among them, in the process of negative pressure sampling, the air remaining in the rotary biopsy needle is sequentially pressed by the liquid medicine through the air supplement pipeline 54, the second inner cavity 312 of the outer needle tube 31, the second window 331, the first inner cavity 311 of the outer needle tube 31, the inner needle tube 32, the tissue collector 2, the air suction pipeline 53 and the air exhaust pipeline 63, and is discharged to the atmosphere. When enough liquid medicine is observed in the first inner cavity 313 through the camera 41, there is no air remaining in the rotary biopsy needle at this time, the second flat valve 61 is closed, and the liquid medicine enters the human body from the first window 313. By setting the drug pipeline 64 and the air exhaust pipeline 63 in the process of injecting liquid medicine, the liquid medicine enters from the drug pipeline 64 and squeezes the air in the rotary biopsy needle to exhaust from the air exhaust pipeline 63, the pressure balance inside the rotary biopsy needle is maintained, air is prevented from entering the human body, so as to avoid secondary injury to the human body.
[0037] The utility model discloses an embodiment of a breast punch biopsy needle, through using reflector 43, the human tissue at first window 313 can be captured by camera 41 through the reflection, thereby can directly observe human tissue. Through setting up the illumination lamp, is used for in the process of camera 41 work to carry out light compensation, to make the image that camera 41 gathers more clear. Through setting up the baffle 33 in outer needle tube 31, divides into first inner chamber 311 and second inner chamber 312 in outer needle tube 31, to separate inner needle tube 32 and camera 41, prevent inner needle tube 32 from damaging camera 41 in the use process. The head of puncture head 34 is set to the pyramidal sharp, is used for reducing the resistance of outer needle tube 31 and enter human tissue. Through setting pressure compensation system, is used for under the state of negative pressure to extract human lesion tissue and carries out pressure compensation in the process of injecting liquid medicine, prevents the secondary injury to human body. Through setting up air supplement pipeline 54 in the process of inhaling pipeline 53 and inhaling the human tissue of cutting, supplement external air, maintained the pressure balance inside punch biopsy needle, prevents under the suction of negative pressure effect, other human tissue enters punch biopsy needle, thereby avoids the secondary injury to human body. Through setting up medicine pipeline 64 and air extraction pipeline 63 in the process of injecting liquid medicine, liquid medicine enters medicine pipeline 64 and extrudes the air in punch biopsy needle and makes it from air extraction pipeline 63 and discharges, maintained the pressure balance inside punch biopsy needle, prevents air from entering human body, thereby avoids the secondary injury to human body.
[0038] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be according to the appended claims.
Claims
1. A breast biopsy needle comprising a needle tube (3) comprising an outer needle tube (31) and a piercing head (34) mounted at the end of the outer needle tube (31), characterized in that, The rotary biopsy needle further comprises a camera (41) and a mirror surface (43), both of which are accommodated in the outer needle tube (31), and the mirror surface (43) is arranged on the puncture head (34), a first window (313) is formed on the outer needle tube (31) near the puncture head (34), the mirror surface (43) is used for reflecting human tissues at the first window (313), and the camera (41) is used for shooting the human tissues reflected by the mirror surface (43).
2. The breast biopsy needle of claim 1, wherein, The puncture head (34) extends into the inner needle tube (31) to form a boss (341), and the puncture head (34) and the boss (341) are connected by mirror finishing to form the mirror surface (43).
3. The breast biopsy needle of claim 1, wherein, The front end of the camera (41) is provided with an illuminating lamp, which is used for light supplement during the working process of the camera (41), so that the image collected by the camera (41) is clearer.
4. The breast biopsy needle of claim 3, wherein, The needle tube (3) further comprises a partition plate (33), which is accommodated in the outer needle tube (31) and divides the inner part of the outer needle tube (31) into a first inner cavity (311) and a second inner cavity (312).
5. The breast biopsy needle of claim 4, wherein the needle is configured to rotate about the longitudinal axis of the needle. The first window (313) is located in the first inner cavity (311).
6. The breast biopsy needle of claim 5, wherein, The partition plate (33) is provided with a second window (331) near the puncture head (34).
7. The breast biopsy needle of claim 6, wherein, The camera (41) and the mirror surface (43) are accommodated in the second inner cavity (312).
8. The breast biopsy needle of claim 7, wherein, The light path of the illuminating lamp is reflected by the mirror surface (43) and then passes through the first window (313), the second window (331) and the human tissues in sequence.
9. The breast biopsy needle of claim 1, wherein, The end of the camera (41) is connected with a cable (42), and the end of the outer needle tube (31) is provided with a connecting sleeve (35) with a wire slot (351) for connecting the cable (42) with external equipment.
10. The breast biopsy needle of claim 4, wherein, The needle tube (3) further comprises an inner needle tube (32), which is movably accommodated in the first inner cavity (311).