Tumor sampling device convenient to separate
By designing a detachable tumor sampling device, the problems of high cost and poor stability of existing devices are solved, the sampling components are reused and stably supported, and the sampling efficiency is improved.
Patent Information
- Application Number
- CN202423051158.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-11
AI Technical Summary
The needle and handle of existing tumor sampling devices are an integral structure that cannot be disassembled, resulting in high operating costs, poor stability, and non-reusability.
A detachable tumor sampling device was designed, including a detachable sampling component and a support component. The device uses a rotating cylinder to drive the needle to cut, uses an elastic cutting blade to quickly separate tumor tissue, and provides stable support through the support component.
This enables the sampling components to be disassembled and reused, reducing usage costs and improving the stability and efficiency of the sampling process.
Smart Images

Figure CN223773804U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tumor sampling technical field especially, and it is a kind of tumor sampling device of convenient separation. BACKGROUND
[0002] Tumor refers to the new organism formed by local tissue cell proliferation under the action of various tumorigenic factors, because this new organism is more present as occupying block-shaped protrusion, also called neoplasm. In clinical medicine, when pathological analysis is needed to tumor, sampling device needs to be used for sampling. Tumor can be sampled by puncture, generally when lung malignant tendency appears, tumor malignancy degree can be judged according to sampling result, and the existing tumor sampling device is generally biopsy sampling needle.
[0003] Through the search, the patent with publication number CN219109556U discloses a kind of tumor sampling device of convenient separation of tumor, it can be automatically cut into pieces and separated tumor block in the process of sampling by setting cutting component, avoid the need to cut again in later period, to save a lot of time, improve sampling efficiency. But the device and existing biopsy sampling needle have some same shortcomings: needle sampling part and handle are integral structure, and cannot be split, and the handle part of current biopsy needle is moved by driving needle by firing device, leading to the structure of handle part is complex, cost is high, and since needle cannot be disassembled, so the device can be used only once, when needing to sample multiple times, a new sampling device needs to be replaced, leading to use cost is higher. Secondly, the above sampling device is same as current biopsy needle, without stable support structure as auxiliary when using, and there is certain limitation when using.
[0004] Therefore, the utility model provides a kind of tumor sampling device of convenient separation to the above shortcomings. INVENTION CONTENTS
[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of tumor sampling device of convenient separation.
[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of tumor sampling device of convenient separation, including handle, the handle bottom rotationally connected with column body, the column body bottom is equipped with the installation slot, the installation slot inside is inserted with sampling assembly, the installation slot side is equipped with movable slot, the movable slot inside is equipped with the fixed component of fixed sampling assembly, the handle bottom end outer side wall is fixed with multiple support components.
[0007] As further description of the above technical scheme:
[0008] The sampling assembly comprises a needle tube inserted into the mounting slot, the bottom of the needle tube is designed as a bevel, the inner wall of the bottom end of the needle tube is fixedly connected with an elastic cutting piece, the inner wall of the bottom end of the needle tube and below the elastic cutting piece is fixedly connected with a baffle, the baffle is attached to the elastic cutting piece, the two sides of the elastic cutting piece are designed as cutting edges, and the side wall of the bottom end of the needle tube is provided with an opening.
[0009] As a further description of the above technical solution:
[0010] The top end of the needle tube is provided with an inner plate.
[0011] As a further description of the above technical solution:
[0012] The top end of the needle tube is provided with a clamping hole, the fixing assembly comprises a movable rod located in a movable slot, both ends of the movable slot are provided with through holes, the movable rod is fixedly connected with a clamping block close to one end of the mounting slot, the clamping block can be clamped into the clamping hole by penetrating through the through hole of the corresponding side, and the clamping block and the inner side wall of the movable slot are fixedly connected with a first spring.
[0013] As a further description of the above technical solution:
[0014] The end of the movable rod away from the clamping block is fixedly connected with an end cap by penetrating through the through hole of the corresponding side, and the end cap is located outside the column.
[0015] As a further description of the above technical solution:
[0016] The outer side wall of the column is provided with anti-skid lines.
[0017] As a further description of the above technical solution:
[0018] The supporting assembly comprises a bent rod fixed to the outer side wall of the handle, the bottom end surface of the bent rod is slidably sleeved with a sleeve, the inner bottom wall of the sleeve and the bottom end of the bent rod are fixedly connected with a second spring, and the bottom end of the sleeve is fixedly connected with a rubber ball.
[0019] The utility model has the advantages of:
[0020] 1、in the utility model, through setting up handle, column, sampling assembly and fixed component, the column is located at the bottom of handle and is connected with handle rotationally, sampling assembly is fixed in the mounting slot at the bottom of column through fixed component, when sampling, the needle tube of sampling assembly can be inserted into the patient's body, then the column is rotated, the elastic cutting piece of needle tube needle head position is used for cutting tumor, so that the tumor can be separated from tissue quickly, after sampling is completed each time, sampling assembly and column can be disassembled, so that new sampling assembly can be replaced quickly for sampling again.
[0021] 2、 The utility model discloses a plurality of support assemblies are set up, and the plurality of support assemblies are located handle outside, when sampling assembly is inserted into the patient's body, the support assembly can play the auxiliary support effect to handle, and the stability in the sampling process is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the overall perspective drawing of the utility model;
[0023] Figure 2 It is the overall main section view of the utility model;
[0024] Figure 3 It is the Figure 2 Enlarged view of A in the middle;
[0025] Figure 4 It is the Figure 2 Enlarged view of B in the middle.
[0026] Legend:
[0027] 1, handle;2, cylinder;21, installation slot;22, movable slot;3, sampling assembly;31, needle tube;32, clamping hole;33, inner plate;34, elastic cutting piece;35, baffle;36, gap;4, fixed assembly;41, clamping block;42, movable rod;43, first spring;44, end cap;5, support assembly;51, bent rod;52, sleeve;53, rubber ball. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0029] With reference to Figures 1-4 , the utility model provides an embodiment: a kind of tumor sampling device of convenient separation, including handle 1, handle 1 bottom rotary connection has cylinder 2, cylinder 2 bottom is equipped with installation slot 21, installation slot 21 inside is inserted with sampling assembly 3, installation slot 21 side is equipped with movable slot 22, movable slot 22 inside is equipped with the fixed sampling assembly 3 of fixed assembly 4, handle 1 bottom end outside wall is fixed with multiple support assemblies 5.
[0030] The sampling assembly 3 comprises a needle tube 31 inserted into the mounting slot 21, the bottom of the needle tube 31 is designed as a bevel, and the inner wall of the bottom end of the needle tube 31 is fixedly connected with an elastic cutting piece 34, the inner wall of the bottom end of the needle tube 31 and below the elastic cutting piece 34 is fixedly connected with a baffle 35, the baffle 35 is attached to the elastic cutting piece 34, the two sides of the elastic cutting piece 34 are cutting edges, and the bottom end of the needle tube 31 is provided with an opening 36.
[0031] In the embodiment, the elastic cutting piece 34 can be bent along the connection with the needle tube 31, when the needle tube 31 is inserted into the tumor, the elastic cutting piece 34 is extruded into the needle tube 31 by the tumor tissue entering the needle tube 31, so as to avoid affecting the tumor tissue entering the needle tube 31, then the needle tube 31 is slightly pulled outwards by a certain distance, so that the elastic cutting piece 34 is reset, then the elastic cutting piece 34 is rotated by rotating the needle tube 31, so as to cut the tumor by the elastic cutting piece 34, which is beneficial to the rapid separation of the tumor. When the needle tube 31 is pulled out of the tumor tissue, the baffle 35 blocks the elastic cutting piece 34 from turning outwards of the needle tube 31. When the needle tube 31 is pulled out of the body, the sampled tumor can be taken out from the opening 36.
[0032] The inner wall of the top end of the needle tube 31 is provided with an inner plate 33. By arranging the inner plate 33, the tissue fluid or tumor can be prevented from entering the inside of the mounting slot 21, so as to avoid the pollution of the column body 2.
[0033] The side wall of the top end of the needle tube 31 is provided with a clamping hole 32, and the fixing assembly 4 comprises a movable rod 42 located in the movable slot 22, both ends of the movable slot 22 are provided with through holes, the movable rod 42 is fixedly connected with a clamping block 41 at one end close to the mounting slot 21, the clamping block 41 can be clamped into the clamping hole 32 by passing through the corresponding through hole, and the clamping block 41 is fixedly connected with a first spring 43 together with the inner side wall of the movable slot 22.
[0034] The end cap 44 is fixedly connected at the end of the movable rod 42 away from the clamping block 41 and passes through the corresponding through hole, and the end cap 44 is located outside the column body 2.
[0035] Under the elastic force of the first spring 43, the clamping block 41 is clamped into the clamping hole 32, so as to fix the needle tube 31 in the mounting slot 21, when it is necessary to disassemble the needle tube 31 for replacement, the end cap 44 can be pulled to compress the first spring 43, the clamping block 41 is separated from the clamping hole 32, and then the needle tube 31 is pulled out of the mounting slot 21, a new needle tube 31 is inserted into the mounting slot 21, and then the end cap 44 is loosened, the first spring 43 extrudes the clamping block 41 to be clamped into the clamping hole 32 of the new needle tube 31, so as to realize the quick fixing of the needle tube 31 and the replacement of the sampling assembly 3.
[0036] The outer side wall of the column body 2 is provided with anti-skid lines.
[0037] When the column body 2 is rotated, the anti-skid lines can play an anti-skid role.
[0038] The support assembly 5 comprises a bent rod 51 fixed to the outer sidewall of the handle 1, a sleeve 52 is sleeved on the bottom surface of the bent rod 51, a second spring is fixedly connected to the bottom end of the bent rod 51 and the inner bottom wall of the sleeve 52, and a rubber ball 53 is fixedly connected to the bottom end of the sleeve 52.
[0039] When the needle tube 31 is inserted into the patient's body, the three rubber balls 53 are in contact with the patient's skin, the sleeve 52 can slide along the surface of the bent rod 51, so as to support the handle 1 by the three support assemblies 5, and realize stable insertion of the needle tube 31 into the patient's body.
[0040] Working principle: the needle tube 31 is inserted into the tumor tissue in the patient's body by the handheld handle 1, then the needle tube 31 is pulled to move a certain distance out of the body, so that the elastic cutting piece 34 in the needle tube 31 resets, then the other hand quickly rotates the column body 2, the needle tube 31 is rotated by the column body 2, so that the elastic cutting piece 34 cuts the tumor entering the needle tube 31, finally the needle tube 31 is pulled out of the body, and the tumor sample is taken out from the gap 36. When sampling is needed again, the fixing assembly 4 is released from the fixing of the needle tube 31, and then a new needle tube 31 can be replaced.
[0041] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A device for convenient separation of tumor sampling, characterized by: The utility model provides a sampling device, including handle (1), handle (1) bottom rotatory connection has the cylinder (2), the cylinder (2) bottom is provided with the installation slot (21), the installation slot (21) inside is inserted with sampling assembly (3), the installation slot (21) side is provided with the movable slot (22), the movable slot (22) inside is equipped with the fixed component (4) of fixed sampling assembly (3), handle (1) bottom end outside wall is fixed with a plurality of support components (5).
2. The device of claim 1, wherein: The sampling assembly (3) includes a needle tube (31) inserted into the installation slot (21), the bottom of the needle tube (31) is designed as a bevel, and the inner wall of the bottom end of the needle tube (31) is fixedly connected with an elastic cutting piece (34), the inner wall of the bottom end of the needle tube (31) and below the elastic cutting piece (34) is fixedly connected with a baffle (35), the baffle (35) is attached to the elastic cutting piece (34), the elastic cutting piece (34) has two sides as a cutting edge, and the bottom end of the needle tube (31) is provided with an opening (36) on the side wall.
3. A device for easy tumor sampling according to claim 2, characterized in that: The inner wall of the top end of the needle tube (31) is provided with an inner plate (33).
4. The device of claim 2, wherein: The top end of the needle tube (31) is provided with a clamping hole (32) on the side wall, the fixing component (4) includes a movable rod (42) located in the movable slot (22), both ends of the movable slot (22) are provided with through holes, the movable rod (42) is fixedly connected with a clamping block (41) near one end of the installation slot (21), the clamping block (41) passes through the through hole on the corresponding side and can be clamped into the clamping hole (32), and the clamping block (41) is fixedly connected with a first spring (43) together with the inner side wall of the movable slot (22).
5. A device for easy tumor sampling according to claim 4, characterized in that: The end of the movable rod (42) away from the clamping block (41) is fixedly connected with an end cap (44) through the through hole on the corresponding side, and the end cap (44) is located outside the cylinder (2).
6. The device of claim 1, wherein: The outer side wall of the cylinder (2) is provided with anti-skid lines.
7. The device of claim 1, wherein: The support component (5) includes a bent rod (51) fixed to the outer side wall of the handle (1), the bottom end surface of the bent rod (51) is slidably sleeved with a sleeve (52), the inner bottom wall of the sleeve (52) and the bottom end of the bent rod (51) are fixedly connected with a second spring, and the bottom end of the sleeve (52) is fixedly connected with a rubber ball (53).
Citation Information
Patent Citations
Tumor sampling device facilitating tumor separation
CN219109556U