CN114305525A - Tumor inspection system - Google Patents
Tumor inspection system Download PDFInfo
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- CN114305525A CN114305525A CN202210004081.7A CN202210004081A CN114305525A CN 114305525 A CN114305525 A CN 114305525A CN 202210004081 A CN202210004081 A CN 202210004081A CN 114305525 A CN114305525 A CN 114305525A
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- needle tube
- baffle
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- needle
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Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a tumor examination system which comprises an outer needle tube, wherein an inner needle tube is rotatably connected in the outer needle tube; the needle core is arranged in the inner needle tube; the needle core is connected with the inner needle tube in a sliding manner; a connecting structure is arranged between the needle core and the inner needle tube; the connecting structure drives the needle core and the inner needle tube to synchronously rotate; the push head is fixedly connected with the tail end of the needle core; the grip is fixedly connected with the outer surface of the tail end of the outer needle tube; the opening and closing structure is arranged at the front ends of the outer needle tube and the inner needle tube; the invention solves the problems that the surface of the focus is covered with body fluid and has smooth surface, so that a puncture needle is easy to separate from the surface of the focus when the existing lung cancer sampling inspection is carried out, and the puncture is inconvenient to puncture the focus; meanwhile, part of body fluid and the tissue on the surface of the focus can be carried in the process of puncture, so that the focus tissue sample is polluted, and the subsequent test accuracy is affected.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a tumor examination system.
Background
Lung cancer is one of the most rapidly growing malignancies that threaten human health and life. In recent 50 years, a number of countries have reported that the incidence and mortality of lung cancer have increased significantly;
lung cancer biopsy only takes tumor tissue of lung for pathological examination. Lung cancer biopsy mainly refers to stealing of tumor tissue in the lung; lung aspiration biopsy is a percutaneous aspiration biopsy, which is a method for lung cancer diagnosis. The diagnosis of lung cancer has been carried out by many decades ago, but it has not been clinically developed largely because of the limitations of various conditions such as radiology, pathology, puncture instruments, etc.
When the existing lung cancer puncture sampling inspection is carried out, as the surface of a focus is covered with body fluid and has smooth surface, a puncture needle is easy to separate from the surface of the focus, so that the puncture is inconvenient to carry out during sampling; meanwhile, part of body fluid and the tissue on the surface of the focus are carried in the process of puncture, so that the focus tissue sample is polluted, and the subsequent test accuracy is influenced;
based on this, the present invention provides a tumor examination system to solve the above existing technical problems.
Disclosure of Invention
In order to make up for the deficiency, solve the existing lung cancer sample while examining, because the surface of focus covers the body fluid and the surface is smooth, the puncture needle is apt to break away from the surface of focus, cause it to be inconvenient to puncture it while taking a sample; meanwhile, part of body fluid and the tissue on the surface of the focus can be carried in the process of puncture, so that the focus tissue sample is polluted, and the subsequent test accuracy is affected.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a tumor examination system, comprising:
the inner needle tube is rotatably connected inside the outer needle tube;
a stylet disposed inside the inner needle; the needle core is connected with the inner needle tube in a sliding manner; a connecting structure is arranged between the needle core and the inner needle tube; the connecting structure drives the needle core and the inner needle tube to synchronously rotate;
the push head is fixedly connected with the tail end of the needle core;
the handle is fixedly connected with the outer surface of the tail end of the outer needle tube;
the opening and closing structure is arranged at the front ends of the outer needle tube and the inner needle tube.
Preferably, the opening and closing structure includes:
the outer baffle is fixedly connected to the front end of the outer needle tube;
the inner baffle is fixedly connected with the front end of the inner needle tube; the outer surface of the inner baffle is connected with the inner surface of the outer baffle in a sliding and sealing manner; the outer baffle and the inner baffle are both in a semi-conical structure.
Preferably, the opening and closing structure includes:
the front baffle is fixedly connected to the front end of the outer baffle and is conical;
the inner notch is formed in one end, close to the front baffle, of the inner needle tube;
the outer notch is formed in the position, corresponding to the inner notch, of the outer needle tube.
Preferably, the connection structure includes:
the clamping grooves are uniformly formed in the outer ring of the needle core;
and the clamping block is fixedly connected with the inner surface of the inner needle tube and is clamped with the clamping groove.
Preferably, one side of the inner baffle is provided with an oblique cut.
Preferably, the surface of interior baffle one side has linked firmly the spliced pole, the other end of spliced pole has linked firmly the division board, the division board with outer needle pipe rotates to be connected, the division board with there is the clearance between the interior baffle.
Preferably, a guide plate is arranged on the side surface of the inner notch.
Preferably, the outer surface of the outer needle tube is connected with a positioning block in a sliding manner; the outer ring of the front end of the outer needle tube is fixedly connected with a limiting block, and the diameter of the limiting block is larger than the aperture of the tail end of the positioning block.
Preferably, the front end of the positioning block is fixedly connected with an elastic block.
Preferably, a buffer spring is arranged between the tail end of the positioning block and the handle.
The invention has the following beneficial effects:
1. according to the tumor examination system, the outer baffle and the inner baffle are arranged, so that in the process of sampling a focus, tissues and body fluid on the outer surface of the focus are avoided, and tissues in the middle of the focus are taken, so that the detection result is more accurate.
2. According to the tumor examination system, the isolation plate is arranged, so that the body fluid is not contaminated on the outer surface of the inner baffle, when the inner baffle is opened and rotates along the inner part of the outer baffle, the body fluid on the surface of a focus is prevented from being brought into the inner part of the outer baffle, the possibility that the body fluid is contaminated on the inner tissue of the focus when the inner tissue of the focus enters the inner part of the outer baffle is reduced, and the accuracy of a detection result is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a perspective view of a second embodiment of the present invention;
FIG. 3 is a perspective view of the forward end of an outer needle cannula according to one embodiment of the present invention;
FIG. 4 is a perspective view of the trailing end of the outer needle cannula of the present invention;
FIG. 5 is a perspective view of the forward ends of two outer syringes in accordance with an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a first embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
fig. 8 is a partial enlarged view at B in fig. 6;
in the figure: 1. an outer needle tube; 2. an inner needle tube; 3. a needle core; 41. a card slot; 42. a clamping block; 5. pushing the head; 6. a grip; 71. an outer baffle; 72. an inner baffle; 73. a front baffle; 74. an inner notch; 75. an outer notch; 8. cutting; 9. a separator plate; 10. a guide plate; 11. positioning blocks; 12. a limiting block; 13. an elastic block; 14. a buffer spring; 15. connecting columns.
Detailed Description
In order to make the objects, technical means and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a tumor examination system, which solves the problem that the existing lung cancer sampling examination system is inconvenient to puncture when in sampling because the surface of a focus is covered with body fluid and is smooth and a puncture needle is easy to separate from the surface of the focus; meanwhile, part of body fluid and the tissue on the surface of the focus are carried in the process of puncture, so that the focus tissue sample is polluted, and the subsequent test accuracy is influenced;
in order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: the front ends of the outer needle and the inner needle tube are provided with the outer baffle and the inner baffle, and in the process of sampling the focus, the focus tissue sample obtained by puncturing avoids tissues and body fluid on the outer surface of the focus and the middle part of the focus is obtained by controlling the opening and closing of the outer baffle and the inner baffle;
in order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The first embodiment; as shown in fig. 1, 3, 4, 6-8;
a tumor inspection system comprising:
the inner needle tube 2 is rotatably connected inside the outer needle tube 1;
the needle core 3 is arranged inside the inner needle tube 2; the needle core 3 is connected with the inner needle tube 2 in a sliding way; a connecting structure is arranged between the needle core 3 and the inner needle tube 2; the connecting structure drives the needle core 3 and the inner needle tube 2 to synchronously rotate;
the push head 5 is fixedly connected with the tail end of the needle core 3;
the handle 6 is fixedly connected with the outer surface of the tail end of the outer needle tube 1;
the opening and closing structure is arranged at the front ends of the outer needle tube 1 and the inner needle tube 2;
the opening and closing structure includes:
the outer baffle 71, the outer baffle 71 is fixedly connected with the front end of the outer needle tube 1;
the inner baffle 72 is fixedly connected with the front end of the inner needle tube 2; the outer surface of the inner baffle plate 72 is connected with the inner surface of the outer baffle plate 71 in a sliding and sealing way; the outer baffle 71 and the inner baffle 72 are both in a semi-conical structure;
the connection structure includes:
the clamping grooves 41 are uniformly formed in the outer ring of the needle core 3;
the fixture block 42 is fixedly connected to the inner surface of the inner needle tube 2, and the fixture block 42 is clamped with the clamping groove 41;
firstly, the size, the structure and the surrounding blood vessel relation of a focus are known through CT scanning, then the body position of a patient is properly adjusted, and a positioning marker is placed on the body surface of the patient; then, the puncture point, the needle inserting angle and the depth are determined through CT scanning, and then the needle is inserted from the mark point;
then the medical staff aligns the front end of the outer needle tube 1 with the mark point, and through CT scanning observation, the medical staff pushes the grip 6 to push the outer needle tube 1 and the inner needle tube 2 to the vicinity of the focus, and the outer needle tube 1 and the inner needle tube 2 drive the outer baffle 71 and the inner baffle 72 to move to the vicinity of the focus; at the moment, because the outer baffle 71 and the inner baffle 72 are in a closed state, and the inner baffle 72 and the outer baffle 71 are folded, when the inner baffle 72 and the outer baffle 71 contact the surface of a focus, the surface of the focus is smooth, and the conical tip of the outer baffle 71 can increase the pressure of the outer needle tube 1 at the surface of the focus, so that the outer needle tube 1 is not easy to move, and the influence on the puncture process caused by the sliding of the outer needle tube 1 on the surface of the focus is avoided; after the position of the outer needle tube 1 is stabilized by the conical tip of the outer baffle 71, the medical staff continues to push the grip 6 to drive the outer baffle 71 and the inner baffle 72 to enter the focus, the outer baffle 71 and the inner baffle 72 separate the tissue and the body fluid on the surface of the focus, the medical staff rotates the pushing head 5 again, the clamping block 42 is embedded in the clamping groove 41, when the pushing head 5 drives the needle core 3 to rotate, the needle core 3 drives the fixture block 42 and the inner needle tube 2 to rotate, the inner needle tube 2 rotates to drive the inner baffle 72 to rotate around the outer baffle 71, the inner baffle plate 72 is folded with the outer baffle plate 71, the cavity of the inner needle tube 2 is communicated with the external environment of the outer needle tube 1, the medical staff continues to push the handle 6 to drive the outer needle tube 1 and the inner needle tube 2 to move towards the focus, the tissue in the focus enters the cavity of the inner needle tube 2, and the medical staff rotates the pushing head 5 reversely to drive the inner baffle plate 72 and the outer baffle plate 71 to form a closed space again;
finally, the medical staff pulls the grip 6 outwards to drive the outer needle tube 1 and the inner needle tube 2 to move outwards rapidly to take out the focus tissue sample, and in the process of moving the outer baffle 71 and the inner baffle 72 out, the possibility that tissue body fluid in a body pollutes the focus tissue sample is reduced because the focus tissue sample is positioned inside the outer baffle 71 and the inner baffle 72, so that the detection result is inaccurate; the medical staff rotates the pushing head 5 to drive the inner baffle 72 to open, and then pushes the pushing head 5 to enable the stylet 3 to slide along the inner needle tube 2, so that the sample between the inner baffle 72 and the outer baffle 71 is extruded into a detection vessel for detection;
according to the invention, by arranging the outer baffle 71 and the inner baffle 72, in the process of sampling the focus, tissues and body fluid on the outer surface of the focus are avoided, and tissues in the middle of the focus are taken, so that the detection result is more accurate.
As an embodiment of the present invention, as shown in fig. 3 and 7, an oblique cut 8 is formed on one side of the inner barrier 72;
when the device works, the cut 8 is formed in one side of the inner baffle 72, and after the outer baffle 71 and the inner baffle 72 enter the focus, the rotating push head 5 drives the inner baffle 72 to rotate, so that the inner baffle 72 is opened; the inner baffle plate 72 and the outer baffle plate 71 are continuously moved, so that tissues in the focus enter the cavity of the inner needle tube 2, the pushing head 5 is reversely rotated to close the inner baffle plate 72, the focus tissues inside and outside the inner baffle plate 72 are separated through the incision 8 in the process that the inner baffle plate 72 is closed, and the focus tissues adhered to the outside of the inner baffle plate 72 are left in the human body to cause the diffusion of cancer cells in the process that the inner baffle plate 72 and the outer baffle plate 71 are separated from the human body.
As an embodiment of the present invention, as shown in fig. 3 and 7, a connection column 15 is fixedly connected to an outer surface of one side of the inner baffle 72, a separation plate 9 is fixedly connected to the other end of the connection column 15, the separation plate 9 is rotatably connected to the outer needle cannula 1, and a gap is formed between the separation plate 9 and the inner baffle 72;
when the device works, the isolation plate 9 is arranged, when the outer baffle 71 and the inner baffle 72 reach the surface of a focus, the isolation plate 9 is also in a semi-conical structure, and the inner surface of the isolation plate 9 is in sliding connection with the outer surface of the outer baffle 1; the focus is punctured and opened by folding the isolation plate 9 and the outer baffle 71, the isolation plate 9 and the outer baffle 71 enter the focus, and the isolation plate 9 is positioned on the outer surface of the inner baffle 72, so that the isolation plate 9 contacts the outer surface of the focus firstly, and the outer surface of the inner baffle 72 cannot be infected with body fluid on the outer surface of the focus; then, the inner baffle 72 is driven to rotate by rotating the push head 5, the inner baffle 72 drives the partition board 9 to rotate through the connecting column 15, and when the inner baffle 72 and the partition board 9 rotate, the outer baffle 71 enters a gap between the partition board 9 and the inner baffle 72; the focus tissue enters the cavity of the inner needle tube 2; the isolation board 9 prevents the outer surface of the inner baffle 72 from being contaminated by body fluid, so that when the inner baffle 72 is opened and rotates along the inner surface of the outer baffle 71, the body fluid on the surface of the focus is prevented from being brought into the outer baffle 71, the possibility that the body fluid is contaminated by the internal tissue of the focus when the internal tissue of the focus enters the outer baffle 71 is reduced, and the accuracy of the detection result is improved.
As an embodiment of the present invention, as shown in fig. 1 and 6, a positioning block 11 is slidably connected to an outer surface of the outer needle cannula 1; the outer ring of the front end of the outer needle tube 1 is fixedly connected with a limiting block 12, and the diameter of the limiting block 12 is larger than the aperture of the tail end of the positioning block 11;
the front end of the positioning block 11 is fixedly connected with an elastic block 13;
a buffer spring 14 is arranged between the tail end of the positioning block 11 and the handle 6;
firstly, medical staff slide a positioning block 11 to the front end of an outer needle tube 1, so that a limiting block 12 limits the tail end of the positioning block 11, and an outer baffle 71 and an inner baffle 72 are positioned in the aperture of the positioning block 11; the elastic block 13 at the front end of the positioning block 11 is attached to the thoracic cavity part of the human body (the elastic block 13 can adopt breathable silica gel), the elastic block 13 can better adapt to the shape of the thoracic cavity position of the human body, and medical personnel fix the positioning block 11 at the thoracic cavity position in a bandage or adhesive mode; the buffer spring 14 is in a natural state at this time;
then the medical staff pushes the grip 6 to drive the outer needle tube 1 and the inner needle tube 2 to penetrate the skin and the chest wall of the human body to reach the position near the focus, so that the buffer spring 14 is compressed, the propelling speed of the puncture of the medical staff is controlled, and the problem of the puncture angle deviation caused by the too high propelling speed of the medical staff is solved; when the outer baffle 71 and the inner baffle 72 reach the outer surface of the focus, the tip of the outer baffle 71 props against the surface of the focus, and meanwhile, the positioning block 11 supports the outer needle tube 1, so that the possibility that the outer baffle 71 can be separated from the surface of the focus due to the smooth surface of the focus is further reduced;
finally, when withdrawing the outer needle tube 1, the medical staff holds the positioning block 11 with one hand and holds the grip 6 with the other hand, and withdraws the grip 6 outwards; in the process of outward withdrawing, the buffer spring 14 releases elastic potential energy, so that medical personnel can withdraw the outer needle tube 1 and the inner needle tube 2 more quickly, and the possibility that the focus tissue sample is polluted by in vivo tissues is reduced.
The specific working process is as follows:
the medical staff slides the positioning block 11 to the front end of the outer needle tube 1, so that the limiting block 12 limits the rear end of the positioning block 11, and the medical staff fixes the positioning block 11 at the position of the thoracic cavity by a bandage or an adhesive manner; then the medical staff pushes the grip 6 to drive the outer needle tube 1 and the inner needle tube 2 to penetrate the skin and the chest wall of the human body to reach the position near the focus, so that the buffer spring 14 is compressed to control the propelling speed of the puncture of the medical staff; the medical staff pushes the handle 6 to push the outer needle tube 1 and the inner needle tube 2 into the vicinity of the focus, and the outer needle tube 1 and the inner needle tube 2 drive the outer baffle 71 and the inner baffle 72 to move to the vicinity of the focus; at this time, because the outer baffle 71 and the inner baffle 72 are in a closed state, and the inner baffle 72 and the outer baffle 71 are folded, when the inner baffle 72 and the outer baffle 71 contact the surface of a focus, the surface of the focus is smooth, and the conical tip of the outer baffle 71 can enable the position of the outer needle tube 1 on the surface of the focus to be more stable; the medical staff continues to push the handle 6 to drive the outer baffle 71 and the inner baffle 72 to enter the focus, the outer baffle 71 and the inner baffle 72 separate tissues and body fluid on the surface of the focus, the medical staff rotates the pushing head 5 again to enable the pushing head 5 to drive the needle core 3 to drive the clamping block 42 and the inner needle tube 2 to rotate, the inner needle tube 2 rotates to drive the inner baffle 72 to rotate around the outer baffle 71, so that a cavity is formed between the inner baffle 72 and the outer baffle 71, the medical staff continues to push the handle 6 to drive the outer needle tube 1 and the inner needle tube 2 to move towards the focus, the tissues in the focus enter between the inner baffle 72 and the outer baffle 71, and the medical staff reversely rotates the pushing head 5 to drive the inner baffle 72 and the outer baffle 71 to form a closed space again;
finally, the medical staff pulls the grip 6 outwards to drive the outer needle tube 1 and the inner needle tube 2 to move outwards rapidly, and the sampled sample is taken out; medical personnel rotate the pushing head 5 again and drive interior baffle 72 and open, promote pushing head 5 again for nook closing member 3 slides along interior needle tubing 2, extrudes the sample between interior baffle 72 and the outer baffle 71 and detects in the detection ware.
Example two; as shown in fig. 2 and 5;
the difference between the second embodiment and the first embodiment is that;
the opening and closing structure includes:
the front baffle 73 is fixedly connected to the front end of the outer baffle 71, and the front baffle 73 is conical;
an inner notch 74, wherein the inner notch 74 is opened at one end of the inner needle tube 2 close to the front baffle 73;
an outer notch 75, wherein the outer notch 75 is opened at a position of the outer needle tube 1 corresponding to the inner notch 74;
the side surface of the inner notch 74 is provided with a guide plate 10;
when the medical needle works, firstly, a medical worker pushes the outer needle tube 1 and the inner needle tube 2 into a human body, the outer notch 75 and the inner notch 74 are in opposite positions, the outer notch 75 and the inner notch 74 are not overlapped, the outer needle tube 1 and the inner needle tube 2 are in a closed state, when the front baffle plate 73 reaches the surface of a focus, the surface of the focus is punctured through the tip of the front baffle plate 73, and tissues and body fluid on the surface of the focus are pushed to the periphery along the inclined direction of the front baffle plate 73;
then, the outer needle tube 1 and the inner needle tube 2 are continuously pushed, so that the outer needle tube 1 and the inner needle tube 2 reach the inside of a focus, the medical staff rotates the pushing head 5 by 180 degrees to enable the inner notch 74 to coincide with the outer notch 75, the medical staff rotates the handle 6 and the pushing head 5 to drive the outer needle tube 1 and the inner needle tube 2 to synchronously rotate, focus tissues enter the inside of the inner needle tube 2 along the edges of the outer notch 75 and the inner notch 74, and in the rotating process of the outer needle tube 1, the focus tissues enter the inside of the inner needle tube 2 more smoothly along the inclination angle of the guide plate 10; the medical staff rotates the pushing head 5 reversely to drive the inner needle tube 2 to rotate, so that the inner needle tube 2 and the outer needle tube 1 are sealed, and then the inner needle tube 2 and the outer needle tube 1 are quickly taken out of the human body; other embodiments of this embodiment are the same as those of the first embodiment.
The front, the back, the left, the right, the upper and the lower are based on the observation angle of the person, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in fig. 1, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be taken as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A system for examining tumors, characterized by: the method comprises the following steps:
the inner needle tube (2) is rotatably connected inside the outer needle tube (1);
the needle core (3) is arranged inside the inner needle tube (2); the needle core (3) is connected with the inner needle tube (2) in a sliding way; a connecting structure is arranged between the needle core (3) and the inner needle tube (2); the connecting structure drives the needle core (3) and the inner needle tube (2) to synchronously rotate;
the push head (5) is fixedly connected with the tail end of the needle core (3);
the handle (6), the said handle (6) is fixedly connected to the external surface of the said outer syringe (1) tail end;
the opening and closing structure is arranged at the front ends of the outer needle tube (1) and the inner needle tube (2).
2. A system for tumor examination as claimed in claim 1, characterized in that: the opening and closing structure includes:
the outer baffle (71), the said outer baffle (71) is fixed to the front end of the said outer syringe (1);
the inner baffle (72) is fixedly connected to the front end of the inner needle tube (2); the outer surface of the inner baffle (72) is connected with the inner surface of the outer baffle (71) in a sliding and sealing way; the outer baffle (71) and the inner baffle (72) are both in a semi-conical structure.
3. A system for tumor examination as claimed in claim 1, characterized in that: the opening and closing structure includes:
the front baffle (73), the said front baffle (73) is fixed to the front end of the said outer baffle (71), the said front baffle (73) is conical;
the inner notch (74) is formed in one end, close to the front baffle plate (73), of the inner needle tube (2);
an outer notch (75), wherein the outer notch (75) is arranged at the position of the outer needle tube (1) corresponding to the inner notch (74).
4. A system for tumor examination as claimed in claim 1, characterized in that: the connection structure includes:
the clamping grooves (41) are uniformly formed in the outer ring of the needle core (3);
the fixture block (42) is fixedly connected to the inner surface of the inner needle tube (2), and the fixture block (42) is clamped with the clamping groove (41).
5. A system for tumor examination as claimed in claim 2, characterized in that: one side of the inner baffle (72) is provided with an oblique cut (8).
6. A system for tumor examination as claimed in claim 5, characterized in that: the surface of interior baffle (72) one side has linked firmly spliced pole (15), the other end of spliced pole (15) has linked firmly division board (9), division board (9) with outer needle tubing (1) rotates the connection, division board (9) with there is the clearance between interior baffle (72).
7. A system for tumor examination as claimed in claim 3, characterized in that: the side of the inner notch (74) is provided with a guide plate (10).
8. A system for tumor examination as claimed in claim 1, characterized in that: the outer surface of the outer needle tube (1) is connected with a positioning block (11) in a sliding way; the outer ring of the front end of the outer needle tube (1) is fixedly connected with a limiting block (12), and the diameter of the limiting block (12) is larger than the aperture of the tail end of the positioning block (11).
9. A system for tumor examination as claimed in claim 8, characterized in that: the front end of the positioning block (11) is fixedly connected with an elastic block (13).
10. A system for tumor examination as claimed in claim 9, characterized in that: a buffer spring (14) is arranged between the tail end of the positioning block (11) and the handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004081.7A CN114305525A (en) | 2022-01-04 | 2022-01-04 | Tumor inspection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004081.7A CN114305525A (en) | 2022-01-04 | 2022-01-04 | Tumor inspection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114305525A true CN114305525A (en) | 2022-04-12 |
Family
ID=81023289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210004081.7A Withdrawn CN114305525A (en) | 2022-01-04 | 2022-01-04 | Tumor inspection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114305525A (en) |
-
2022
- 2022-01-04 CN CN202210004081.7A patent/CN114305525A/en not_active Withdrawn
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| PB01 | Publication | ||
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Application publication date: 20220412 |