An inter-oncology breast cancer patient pathological sampling device

By designing a combination of control cylinder, distance fixing component, control component and extension component, the problem of lack of precise puncture depth control in breast cancer pathology sampling device is solved, achieving the effect of accurate sampling and reducing the difficulty of operation.

CN120036842BActive Publication Date: 2026-05-05THE FIFTH MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
THE FIFTH MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL
Filing Date
2025-04-11
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Current breast cancer pathology sampling devices lack precise control over puncture depth, resulting in inaccurate sampling and easy damage to normal tissue.

Method used

A pathological sampling device was designed, comprising a control cylinder, a distance fixing component, a control component, and an extension component. The distance fixing component controls the insertion depth of the puncture needle, the control component enables precise puncture and sample aspiration, the extension component adjusts the position of the sliding plate to ensure that the puncture needle and the fixing ring are on the same horizontal plane, and the adjustment component precisely adjusts the puncture position and angle.

Benefits of technology

It enables precise control of puncture depth, reduces operational difficulty, improves sampling efficiency and accuracy, and reduces damage to normal tissues.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a pathological sampling device for breast cancer patients in oncology, comprising a control cylinder and a distance-fixing component. A puncture needle is attached to the bottom of the control cylinder, and the control component is disposed inside the control cylinder. The distance-fixing component includes a connecting seat on the outer wall of the control cylinder, a connecting shaft rotatably mounted on the connecting seat, and a rotating frame connected to both ends of the connecting shaft. A connecting frame is hinged to the bottom of the rotating frame, and a sliding plate is connected to the connecting frame via an extension component. A retaining shaft is hinged to the bottom of the sliding plate, and a fixing ring is connected to the retaining shaft. The bottom surface of the fixing ring is on the same horizontal plane as the bottom end of the puncture needle. The distance-fixing component in this invention can control the insertion depth of the puncture needle, reducing the operational difficulty of the sampling process and improving sampling efficiency. First, a puncture needle of appropriate specifications is selected and combined with the control cylinder. After combination, the angles of the rotating frame and the connecting frame are adjusted so that the fixing ring and the bottom end of the puncture needle are on the same horizontal plane, and sampling can then begin.
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Description

Technical Field

[0001] This invention relates to the field of sampling device technology, and more specifically, to a pathological sampling device for breast cancer patients in oncology. Background Technology

[0002] Pathological sampling methods for breast cancer mainly include fine needle biopsy, core needle biopsy, vacuum-assisted biopsy, and breast ductoscopy. Due to its advantages of minimal trauma and fast examination speed, fine needle biopsy is widely used in clinical practice. It uses imaging equipment such as ultrasound, X-ray or MRI to guide the puncture needle to achieve rapid sampling.

[0003] However, existing pathological sampling devices for breast cancer patients lack precise control over puncture depth. If the puncture is too shallow, not enough tumor cells can be obtained, while if it is too deep, normal tissues will be damaged excessively. In addition, the sampling procedure is usually cumbersome and difficult to perform the sampling operation quickly and accurately. Summary of the Invention

[0004] This invention provides a pathological sampling device for breast cancer patients in medical oncology, which solves the problem that existing pathological sampling devices for breast cancer patients lack precise control over the puncture depth, resulting in insufficient tumor cells being obtained if the puncture is too shallow, or excessive damage to normal tissue if the puncture is too deep.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A pathological sampling device for breast cancer patients in oncology includes a control cylinder and a distance-fixing component. A puncture needle is connected to the bottom end of the control cylinder. The control component is disposed inside the control cylinder. The distance-fixing component includes a connecting seat disposed on the outer wall of the control cylinder. A connecting shaft is rotatably clamped on the connecting seat. A rotating frame is connected to both ends of the connecting shaft. A connecting frame is hinged to the bottom end of the rotating frame. A sliding plate is connected to the connecting frame through an extension component. A retaining shaft is hinged to the bottom end of the sliding plate. A fixing ring is connected to the retaining shaft. The bottom surface of the fixing ring is disposed on the same horizontal plane as the bottom end of the puncture needle.

[0007] Preferably, the control component includes a button slidably mounted on the top of the control cylinder, a piston connected to the bottom of the button via a pressure rod, and a connecting ring on the inner wall of the control cylinder. The piston and the connecting ring are connected by a first spring.

[0008] Preferably, a fixed shell is provided on the outside of the control cylinder, and a pressure plate is clamped on the fixed shell. One end of the pressure plate is in contact with one end of the elastic plate. A wedge plate is connected to the inner wall of the control cylinder, and the top surface of the elastic plate is in contact with the bottom surface of the wedge plate through a plane.

[0009] Preferably, the extension assembly includes sliders connected to both sides of the sliding plate, the two sliders being slidably engaged on both sides of the connecting frame, a first wedge block being provided on both sides of the sliding plate, and a pair of second wedge blocks being connected to the bottom end of the connecting frame, the bottom surface of the second wedge block contacting the top surface of the first wedge block.

[0010] Preferably, a rod is rotatably engaged in the fixing hole opened on the sliding plate, and a knob is coaxially connected to the free end of the rod. A pair of traction ropes are connected to the outside of the rod, and a first wedge block is connected to the free end of each of the two traction ropes. Side holes are opened on both sides of the sliding plate, and the first wedge block is slidably engaged in the side hole. One end of the first wedge block is connected to the inner wall of the side hole by a second spring.

[0011] Preferably, a notch is provided on the outer wall of the hinge joint between the sliding plate and the retaining shaft, the width of the notch being slightly smaller than the outer diameter of the retaining shaft, and the outer side of the notch being made of soft material.

[0012] Preferably, the bottom end of the sliding plate is provided with a connecting arm, one end of which is hinged to a distance ruler, and the distance ruler is connected to the control cylinder through an adjustment assembly.

[0013] Preferably, the adjustment assembly includes a pair of clamps disposed on the outer wall of the control cylinder, and directional blocks are connected to opposite sides of the two clamps. Directional grooves are provided on both sides of the distance ruler, and the directional blocks are slidably engaged in the directional grooves.

[0014] Preferably, one end of the measuring ruler is connected to a latch, and a telescopic rod is provided on the outside of the control cylinder, with the latch locked inside the output end of the telescopic rod.

[0015] Preferably, the telescopic rod is slidably engaged on the outside of the control cylinder, and a magnetic ring is provided at the output end of the telescopic rod. When the telescopic rod is retracted to its shortest length, the magnetic ring is attracted to the outer wall of the control cylinder.

[0016] The principle and beneficial effects of this technical solution:

[0017] (1) The distance-fixing component set in this invention can control the insertion depth of the puncture needle, reduce the operational difficulty of the sampling process, and improve the sampling efficiency. When using the device for sampling, first select a puncture needle of appropriate specifications and combine it with the control cylinder. After completing the combination, rotate the rotating frame and connecting frame outward so that the rotating frame and connecting frame are rotated to the direction of the puncture needle. After unfolding the sliding plate at the bottom of the connecting frame through the extension component, take a brand-new fixing ring and insert it into the bottom of the sliding plate through the notch at the bottom of the sliding plate. Rotate the fixing ring so that the bottom surface of the fixing ring is parallel to the bottom surface of the puncture needle. Then adjust the angle of the rotating frame and connecting frame so that the fixing ring and the bottom of the puncture needle are kept on the same horizontal plane.

[0018] (2) The control component set in this invention can perform sampling control. Before puncture, push the button that is slidably locked at the top of the control cylinder forward, so that the button moves down through the piston connected to the pressure rod and pushes out the air in the control cylinder until the elastic plate on the outside of the pressure rod is locked at the bottom of the wedge plate. At this time, puncture can be performed. When the puncture reaches the specified depth, press the pressure plate locked on the fixed shell, so that the pressure plate compresses the elastic plate that is in contact with one end until the elastic plate and the wedge plate are misaligned. At this time, the pressure rod where the elastic plate is located will be reset under the elastic force of the first spring, so that the puncture needle can aspirate the tumor sample.

[0019] (3) The extension component provided in this invention can adjust the distance between the sliding plate and the connecting frame. Before puncture, the sliding plate is pulled down along the connecting frame so that the second wedge block squeezes the first wedge block along the inclined surface. During the squeezing process, the first wedge block will gradually slide inward along the side hole and compress the second spring until the bottom surface of the second wedge block contacts the top surface of the first wedge block. At this time, the position adjustment of the sliding plate is completed.

[0020] When the folding device is needed, turn the knob to make the insert rod coaxially connected to the knob move the traction rope inward, so that the traction rope pulls the two first wedge blocks to compress the second spring. After the second wedge block is misaligned with the first wedge block, the sliding plate can be manually reset. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the disassembled structure of the present invention;

[0023] Figure 3 for Figure 2 Enlarged structural diagram of region A in the middle;

[0024] Figure 4 for Figure 2 A magnified structural diagram of region B in the middle;

[0025] Figure 5 for Figure 2 A magnified structural diagram of region C in the middle;

[0026] Figure 6 This is a schematic diagram of a portion of the structure of the present invention after being cut apart;

[0027] Figure 7 This is a schematic diagram of the structure of the present invention when folded;

[0028] The reference numerals in the accompanying drawings of the instruction manual include: 1. Control cylinder; 2. Puncture needle; 3. Fixing ring; 4. Locking button; 5. Distance ruler; 6. Connecting shaft; 7. Rotating frame; 8. Orientation groove; 9. Telescopic rod; 10. Magnetic ring; 11. Connecting seat; 12. Orientation block; 13. Clamping plate; 14. Sliding block; 15. Fixing hole; 16. Traction rope; 17. Insertion rod; 18. Knob; 20. Second spring; 21. Connecting frame; 22. First wedge block; 23. Second wedge block; 24. Side hole; 25. Sliding plate; 26. Notch; 27. Connecting arm; 28. Locking shaft; 29. ​​Button; 30. Pressure rod; 31. Elastic plate; 32. Connecting ring; 33. First spring; 34. Piston; 35. Wedge plate; 36. Pressure plate; 37. Fixing shell. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0030] Example:

[0031] like Figures 1 to 7 As shown, the present invention provides a pathological sampling device for breast cancer patients in oncology, including a control cylinder 1 and a distance fixing component. A puncture needle 2 is connected to the bottom end of the control cylinder 1. A control component is provided inside the control cylinder 1. The distance fixing component includes a connecting seat 11 provided on the outer wall of the control cylinder 1. A connecting shaft 6 is rotatably clamped on the connecting seat 11. A rotating frame 7 is connected to both ends of the connecting shaft 6. A connecting frame 21 is hinged to the bottom end of the rotating frame 7. A sliding plate 25 is connected to the connecting frame 21 through an extension component. A retaining shaft 28 is hinged to the bottom end of the sliding plate 25. A fixing ring 3 is connected to the retaining shaft 28. The bottom surface of the fixing ring 3 is set on the same horizontal plane as the bottom end of the puncture needle 2.

[0032] like Figure 1 and Figure 6 As shown, the control assembly includes a button 29 that is slidably mounted on the top of the control cylinder 1, a piston 34 connected to the bottom of the button 29 by a pressure rod 30, and a connecting ring 32 on the inner wall of the control cylinder 1. The piston 34 and the connecting ring 32 are connected by a first spring 33.

[0033] like Figure 1 and Figure 6 As shown, a fixed shell 37 is provided on the outside of the control cylinder 1, and a pressure plate 36 is clamped on the fixed shell 37. One end of the pressure plate 36 is in contact with one end of the elastic plate 31. A wedge plate 35 is connected to the inner wall of the control cylinder 1, and the top surface of the elastic plate 31 and the bottom surface of the wedge plate 35 are in contact through a plane.

[0034] The control component can perform sampling control. Before puncture, push the button 29 that is slidably locked at the top of the control cylinder 1, so that the button 29 moves down through the piston 34 connected to the pressure rod 30 and pushes out the air in the control cylinder 1 until the elastic plate 31 on the outside of the pressure rod 30 is locked at the bottom of the wedge plate 35. At this time, puncture can be performed. When the puncture reaches the specified depth, press the pressure plate 36 locked on the fixed shell, so that the pressure plate 36 compresses the elastic plate 31 that is in contact with one end until the elastic plate 31 is misaligned with the wedge plate 35. At this time, the pressure rod 30 where the elastic plate 31 is located will be reset under the elastic force of the first spring 33, so that the puncture needle 2 can aspirate the tumor sample.

[0035] like Figure 4 and Figure 5 As shown, the extension assembly includes sliders 14 connected to both sides of the sliding plate 25. The two sliders 14 are respectively slidably locked on both sides of the connecting frame 21. A first wedge block 22 is provided on both sides of the sliding plate 25. A pair of second wedge blocks 23 are connected to the bottom end of the connecting frame 21. The bottom surface of the second wedge block 23 contacts the top surface of the first wedge block 22.

[0036] like Figure 4 As shown, a rod 17 is rotatably secured in the fixing hole 15 on the sliding plate 25. A knob 18 is coaxially connected to the free end of the rod 17. A pair of traction ropes 16 are connected to the outside of the rod 17. A first wedge block 22 is connected to the free end of each of the two traction ropes 16. Side holes 24 are provided on both sides of the sliding plate 25. The first wedge block 22 is slidably secured in the side hole 24. One end of the first wedge block 22 is connected to the inner wall of the side hole 24 by a second spring 20.

[0037] The extension component provided in this invention allows for adjustment of the distance between the sliding plate 25 and the connecting frame 21. Before puncture, the sliding plate 25 is pulled down along the connecting frame 21, causing the second wedge block 23 to press the first wedge block 22 along the inclined surface. During the pressing process, the first wedge block 22 will gradually slide inward along the side hole 24 and compress the second spring 20 until the bottom surface of the second wedge block 23 contacts the top surface of the first wedge block 22. At this point, the position adjustment of the sliding plate 25 is completed.

[0038] When a folding device is needed, turn the knob 18 to make the insert rod 17 coaxially connected to the knob 18 move the traction rope 16 inward, so that the traction rope 16 pulls the two first wedge blocks 22 to compress the second spring 20, and after the second wedge block 23 is misaligned with the first wedge block 22, the sliding plate 25 can be manually reset.

[0039] like Figure 5 As shown, a notch 26 is provided on the outer wall of the hinge joint between the sliding plate 25 and the retaining shaft 28. The width of the notch 26 is slightly smaller than the outer diameter of the retaining shaft 28, and the outer side of the notch 26 is made of soft material.

[0040] like Figure 1 , Figure 3 and Figure 5 As shown, a connecting arm 27 is provided at the bottom of the sliding plate 25. A distance ruler 5 is hinged to one end of the connecting arm 27. The distance ruler 5 is connected to the control cylinder 1 through an adjustment assembly.

[0041] like Figure 1 and Figure 3 As shown, the adjustment assembly includes a pair of clamping plates 13 disposed on the outer wall of the control cylinder 1. Each of the two clamping plates 13 is connected to a directional block 12 on opposite sides. A directional groove 8 is provided on both sides of the distance ruler 5, and the directional block 12 is slidably locked in the directional groove 8.

[0042] like Figure 1 and Figure 3 As shown, a locking button 4 is connected to one end of the distance ruler 5, and a telescopic rod 9 is provided on the outside of the control cylinder 1. The locking button 4 is locked inside the output end of the telescopic rod 9.

[0043] like Figure 1 and Figure 3 As shown, the telescopic rod 9 is slidably locked on the outside of the control cylinder 1. A magnetic ring 10 is provided at the output end of the telescopic rod 9. When the telescopic rod 9 is retracted to its shortest length, the magnetic ring 10 is attracted to the outer wall of the control cylinder 1.

[0044] The specific usage and function of this embodiment are as follows:

[0045] The distance-fixing component set in this invention can control the insertion depth of the puncture needle 2, reduce the operational difficulty of the sampling process, and improve the sampling efficiency. When using the device for sampling, first select a puncture needle 2 of appropriate specifications and combine it with the control cylinder 1. After the combination is completed, rotate the rotating frame 7 and the connecting frame 21 outward so that the rotating frame 7 and the connecting frame 21 are rotated to the direction of the puncture needle 2. After the sliding plate 25 at the bottom of the connecting frame 21 is unfolded through the extension component, take a brand new fixing ring 3 and lock it to the bottom of the sliding plate 25 through the notch 26 at the bottom of the sliding plate 25. Rotate the fixing ring 3 so that the bottom surface of the fixing ring 3 is parallel to the bottom surface of the puncture needle 2. Then adjust the angle of the rotating frame 7 and the connecting frame 21 so that the fixing ring 3 and the bottom of the puncture needle 2 are kept on the same horizontal plane.

[0046] During the above adjustments, the distance ruler 5, which is hinged to the bottom of the sliding plate 25 via the connecting arm 27, will slide along the clamp 13 set on the outer wall of the control cylinder 1. First, slide the telescopic rod 9 along the outer wall of the control cylinder 1 so that the axis of the telescopic rod 9 slides to be collinear with the latch 4 connected to one end of the distance ruler 5. When the fixing ring 3 is adjusted into place, record the position of the graduated line on the clamp 13 of the distance ruler 5 at this time. Then drive the telescopic rod 9 to extend until one end of the telescopic rod 9 is locked to the outside of the latch 4. At this time, the puncture position and angle can be selected. After the selection is completed, the telescopic rod 9 can be driven to shorten. During the shortening process of the telescopic rod 9, the distance ruler 5 will slide upward. By observing the distance the distance ruler 5 slides, the puncture depth of the puncture needle 2 can be understood. After reaching the specified puncture depth, the shortening of the telescopic rod 9 can be stopped, and the telescopic rod 9 can be reset to complete the sampling.

[0047] The above descriptions are merely embodiments of the present invention, and common knowledge such as specific technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solutions of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A pathological sampling device for breast cancer patients in oncology, characterized in that: The device includes a control cylinder (1) and a distance fixing assembly. The bottom end of the control cylinder (1) is connected to a puncture needle (2). The control cylinder (1) is equipped with a control assembly. The distance fixing assembly includes a connecting seat (11) provided on the outer wall of the control cylinder (1). A connecting shaft (6) is rotatably clamped on the connecting seat (11). Both ends of the connecting shaft (6) are connected to a rotating frame (7). The bottom end of the rotating frame (7) is hinged to a connecting frame (21). The connecting frame (21) is connected to a sliding plate (25) through an extension assembly. The bottom end of the sliding plate (25) is hinged to a locking shaft (28). The locking shaft (28) is connected to a fixing ring (3). The bottom surface of the fixing ring (3) is set on the same horizontal plane as the bottom end of the puncture needle (2). The control component includes a button (29) that is slidably mounted on the top of the control cylinder (1), a piston (34) connected by a pressure rod (30) at the bottom of the button (29), a connecting ring (32) on the inner wall of the control cylinder (1), and the piston (34) and the connecting ring (32) are connected by a first spring (33). A fixed shell (37) is provided on the outside of the control cylinder (1), and a pressure plate (36) is clamped on the fixed shell (37). One end of the pressure plate (36) is in contact with one end of the elastic plate (31). A wedge plate (35) is connected to the inner wall of the control cylinder (1). The top surface of the elastic plate (31) and the bottom surface of the wedge plate (35) are in contact through a plane. The extension assembly includes sliders (14) connected to both sides of the sliding plate (25), the two sliders (14) are respectively slidably locked on both sides of the connecting frame (21), a first wedge block (22) is provided on both sides of the sliding plate (25), and a pair of second wedge blocks (23) are connected to the bottom end of the connecting frame (21), the bottom surface of the second wedge block (23) is in contact with the top surface of the first wedge block (22); A rod (17) is rotatably mounted in the fixing hole (15) on the sliding plate (25). A knob (18) is coaxially connected to the free end of the rod (17). A pair of traction ropes (16) are connected to the outside of the rod (17). The free ends of the two traction ropes (16) are connected to the two first wedge blocks (22) in a one-to-one correspondence. Side holes (24) are provided on both sides of the sliding plate (25). The first wedge blocks (22) are slidably mounted in the side holes (24). One end of the first wedge block (22) is connected to the inner wall of the side hole (24) by a second spring (20). A notch (26) is provided on the outer wall of the hinge joint between the sliding plate (25) and the locking shaft (28). The width of the notch (26) is smaller than the outer diameter of the locking shaft (28), and the outer side of the notch (26) is made of soft material. The bottom end of the sliding plate (25) is provided with a connecting arm (27), and one end of the connecting arm (27) is hinged to a distance ruler (5). The distance ruler (5) is connected to the control cylinder (1) through an adjustment component. The adjustment assembly includes a pair of clamps (13) provided on the outer wall of the control cylinder (1), and directional blocks (12) are connected to opposite sides of the two clamps (13). The distance ruler (5) has directional grooves (8) on both sides, and the directional blocks (12) are slidably locked in the directional grooves (8). One end of the measuring ruler (5) is connected to a button (4), and a telescopic rod (9) is provided on the outside of the control cylinder (1). The button (4) is locked inside the output end of the telescopic rod (9).

2. The pathological sampling device for breast cancer patients in medical oncology according to claim 1, characterized in that: The telescopic rod (9) is slidably engaged on the outside of the control cylinder (1). A magnetic ring (10) is provided at the output end of the telescopic rod (9). When the telescopic rod (9) is retracted to its shortest length, the magnetic ring (10) is attracted to the outer wall of the control cylinder (1).

Citation Information

Patent Citations

  • Puncture locator for oncology department

    CN215129743U

  • Breast tumor operation cell sampler

    CN221533850U