CN220360429U - Puncture sampling device for clinical tumor - Google Patents
Puncture sampling device for clinical tumor Download PDFInfo
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- CN220360429U CN220360429U CN202222490317.0U CN202222490317U CN220360429U CN 220360429 U CN220360429 U CN 220360429U CN 202222490317 U CN202222490317 U CN 202222490317U CN 220360429 U CN220360429 U CN 220360429U
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- 238000005070 sampling Methods 0.000 title claims abstract description 67
- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 40
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 201000011510 cancer Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
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- 230000035755 proliferation Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000588 tumorigenic Toxicity 0.000 description 1
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Abstract
The utility model provides a clinical tumor is with puncture sampling device, relates to clinical tumor technical field, includes puncture sampling structure and negative pressure structure, puncture sampling structure includes puncture pipe and is located the rotatory cutting member of puncture pipe inner chamber, the tip of puncture pipe with negative pressure structure is connected, be equipped with the sample hole that runs through the wall in the puncture pipe, rotatory cutting member corresponds with the sample hole; the puncture device is characterized in that a puncture part is arranged at one end of the puncture tube, the other end of the puncture tube is fixedly connected with a holding block, the holding block is connected with the cylinder body through a connecting pipe, the holding block is rotatably connected with the connecting pipe, an inner cavity of the puncture tube sequentially penetrates through the holding block and the connecting pipe to be communicated with the inside of the cylinder body, and the end part of the rotary cutting piece penetrates through the holding block to be connected with the connecting pipe. The utility model has high sampling efficiency and small sampling wound, and relieves the pain of patients; the stability and the security of sampling operation are high, simple operation.
Description
Technical Field
The utility model belongs to the technical field of clinical tumors, and particularly relates to a puncture sampling device for clinical tumors.
Background
Malignant tumor refers to a new organism formed by abnormal proliferation of local tissue cells under the action of various tumorigenic factors, and the new organism is in the form of occupying massive protrusions. Malignant tumor diseases are diseases which seriously endanger human health and life, and early discovery and early treatment play a key role in restoring tumor; since tumors are diversified, samples of the tumors need to be collected for pathological diagnosis during diagnosis, and a targeted treatment scheme is determined according to the pathological types of the tumors. The conventional tumor sampling device comprises a tumor taking clamp and a puncture sampling device, wherein the tumor taking clamp can cut and separate sampled tissues from tumor tissues, but is clumsy, the normal human tissues are easily damaged, the damage area is large, and pain is brought to a patient; the puncture sampling device generally uses a needle tube to puncture sampling tissues, and then uses an injector to generate negative pressure so as to enable the sampling tissues to be adsorbed into the needle tube, thereby achieving the sampling effect; the puncture sampling device has small wound, is not easy to be infected by the wound, brings light pain to patients, and is widely applied. However, the connection force between early tumor tissues is large, so that a tumor sample is easy to fall off from the needle tube, the success rate of sampling is low, or the sampling quantity is insufficient; part of the puncture sampling device with the cutting function has complex structure, complex operation and higher operation requirement on sampling personnel.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a puncture sampling device for clinical tumors, which has the advantages of high success rate of sampling, small sampling wound, pain relief for patients and simple operation.
The utility model adopts the following technical scheme:
the puncture sampling device for clinical tumors comprises a puncture sampling structure and a negative pressure structure, wherein the puncture sampling structure comprises a puncture tube and a rotary cutting piece positioned in the inner cavity of the puncture tube, the end part of the puncture tube is connected with the negative pressure structure, a sampling hole penetrating through the wall surface is formed in the puncture tube, and the rotary cutting piece corresponds to the sampling hole; the puncture device is characterized in that a puncture part is arranged at one end of the puncture tube, the other end of the puncture tube is fixedly connected with a holding block, the holding block is connected with a negative pressure structure through a connecting pipe, the holding block is rotatably connected with the connecting pipe, an inner cavity of the puncture tube sequentially penetrates through the holding block and the connecting pipe to be communicated with the inside of the negative pressure structure, and the end part of the rotary cutting piece penetrates through the holding block to be connected with the connecting pipe.
Further, the negative pressure structure comprises a cylinder body, a piston and a driving assembly, wherein the piston is located inside the cylinder body, the driving assembly is used for driving the piston to linearly move, the driving assembly comprises a threaded rod and a threaded frame, the threaded frame is fixedly connected with the cylinder body, the threaded rod is connected with the threaded frame through threaded fit, and the end part of the threaded rod is connected with the piston.
Further, the puncture part has a conical structure.
Further, one end of the threaded rod penetrates through the threaded frame to be fixedly connected with the rotating wheel, and the other end of the threaded rod is connected with the piston.
Further, the threaded rod is connected with the piston through a connecting piece, the threaded rod is rotationally connected with the connecting piece, and the connecting piece is fixedly connected with the piston.
Further, the piston is made of an elastic material.
Further, the section of the sampling hole is round or oval.
Further, the rotary cutting member comprises a main body portion and a cutting portion, the rotary cutting member is of an arc-shaped structure, and the section thickness of the rotary cutting member is sequentially decreased in a direction from the main body portion to the cutting portion.
Further, the thread rack comprises a thread block and a connecting rib, wherein the thread block is positioned on the axis of the cylinder body, and the thread block is fixedly connected with the cylinder body through the connecting rib.
Compared with the prior art, the utility model has the beneficial effects that:
according to the puncture sampling device for clinical tumors, sampling tissues are adsorbed to the inner cavity of the puncture tube through the negative pressure structure, and the sampling tissues are rapidly cut and separated through the rotary cutting piece, so that the operation is simple, the sampling efficiency is high, the sampling wound is small, and the pain of a patient is relieved; and the puncture tube is ensured to be static in the cutting and sampling process, so that secondary damage of a patient is avoided.
Further, utilize the cooperation of threaded rod and screw frame in the negative pressure structure, the piston rectilinear motion in the drive barrel, the stability and the security of sampling operation obtain effectively promoting, deduct operating personnel and maintain the operation of pulling syringe piston for a long time in the sample simultaneously, improve the convenience of operation.
Drawings
FIG. 1 is a schematic diagram of a puncture sampling device for clinical tumor according to the present utility model;
fig. 2 is a cross-sectional view of the grip block of fig. 1 of a clinical tumor puncture sampling device of the present utility model.
Fig. 3 is a cross-sectional view of the puncture tube of fig. 1 of a clinical tumor puncture sampling device according to the present utility model.
Wherein, 1, a cylinder; 2. a rotating wheel; 3. a screw thread rack; 4. a threaded rod; 5. a connecting piece; 6. a piston; 7. a grip block; 8. a puncture tube; 81. a sampling hole; 91. a connecting pipe; 92. the cutting member is rotated.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
Example 1
1-3, including puncture sampling structure and negative pressure structure, negative pressure structure includes barrel 1, piston 6 and drive assembly, piston 6 is located inside barrel 1, drive assembly is used for the drive piston 6 rectilinear movement, through the inside negative pressure that produces of barrel 1, makes puncture sampling structure absorb the tumour sample.
As shown in fig. 1, the driving assembly comprises a threaded rod 4 and a threaded frame 3, the threaded frame 3 is fixedly connected with the cylinder 1, specifically, the threaded frame 3 comprises a threaded block and a connecting rib, the threaded block is positioned on the axis of the cylinder 1, and the threaded block is fixedly connected with the cylinder 1 through the connecting rib; the threaded rod 4 is connected with the threaded block in a threaded fit manner, one end of the threaded rod 4 penetrates through the threaded block to be fixedly connected with the rotating wheel 2, the other end of the threaded rod 4 is connected with the piston 6 through a connecting piece 5, the threaded rod 4 is rotationally connected with the connecting piece 5, the connecting piece 5 is fixedly connected with the piston 6, and the piston 6 is made of elastic materials, preferably medical grade rubber; thereby, the rotary wheel 2 is rotated to realize the control of the linear motion of the piston 6, so that the closed space between the cylinder body 1 and the piston 6 forms negative pressure.
1-3, the puncture sampling structure comprises a puncture tube 8 and a rotary cutting piece 92 positioned in the inner cavity of the puncture tube 8, wherein a sampling hole 81 penetrating through the wall surface is formed in the puncture tube 8, and the rotary cutting piece 92 corresponds to the sampling hole 81; a puncture part is arranged at one end of the puncture tube 8, the other end of the puncture tube 8 is fixedly connected with the holding block 7, the holding block 7 is connected with the cylinder 1 through a connecting pipe 91, the holding block 7 and the connecting pipe 91 are rotatably connected with each other, an inner cavity of the puncture tube 8 sequentially passes through the holding block 7 and the connecting pipe 91 to be communicated with the inside of the cylinder 1, and the end part of the rotary cutting piece 92 passes through the holding block 7 to be fixedly connected with the connecting pipe 91; further, the rotary cutting member 92 includes a main body portion and a cutting portion, the rotary cutting member 92 has an arc structure and is attached to the inner cavity of the puncture tube 8, so that the rotary cutting member 92 can rotate around the inner cavity of the puncture tube 8, and the thickness of the cross section of the rotary cutting member 92 decreases in sequence along the direction from the main body portion to the cutting portion. Preferably, the puncture part has a tapered structure, which is beneficial to puncturing the sampled tissue and reducing the wound area, and the section of the sampling hole 81 is preferably a circular or quasi-circular structure, which is similar to the shape of most tumor tissues and is beneficial to adsorbing and cutting tumor samples.
When the clinical tumor puncture sampling device is required to be used, firstly, the piston 6 is contacted with the bottom of the cylinder 1 to discharge gas in the cylinder 1, then the puncture tube 8 is punctured into tumor tissues to be sampled along the direction of a puncture part, the rotating wheel 2 drives the threaded rod 4 to rotate, the threaded rod 4 drives the piston 6 to move along the direction away from the puncture tube 8 through the cooperation of the threaded rod 4 and a thread block, the space formed between the inside of the cylinder 1 and the piston 6 forms negative pressure, and a certain pressure difference is formed between the inner cavity of the puncture tube 8 and the outside, so that the tumor tissues contacted with the sampling hole 81 are sucked into the inner cavity of the puncture tube 8; the holding block 7 is fixed, then the cylinder body 1 is rotated, the cylinder body 1 drives the rotary cutting member 92 to synchronously rotate through the connecting pipe 91, so that the rotary cutting member 92 rotates circumferentially in the inner cavity of the puncture tube 8, thereby realizing cutting of tumor tissues sucked into the inner cavity of the puncture tube 8, and then the puncture tube 8 is pulled out and a cut tumor tissue sample is brought out.
The puncture sampling device for clinical tumors has high sampling efficiency and small sampling wound, and relieves the pain of patients; the stability and the security of sampling operation are high, overcome conventional puncture sampling device and need maintain the problem of pulling the operation of the rubber buffer of syringe for a long time when taking a sample, improve the convenience of operation, reduce the operation degree of difficulty.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (9)
1. The puncture sampling device for clinical tumors is characterized by comprising a puncture sampling structure and a negative pressure structure, wherein the puncture sampling structure comprises a puncture tube and a rotary cutting piece positioned in the inner cavity of the puncture tube, the end part of the puncture tube is connected with the negative pressure structure, a sampling hole penetrating through the wall surface is formed in the puncture tube, and the rotary cutting piece corresponds to the sampling hole; the puncture device is characterized in that a puncture part is arranged at one end of the puncture tube, the other end of the puncture tube is fixedly connected with a holding block, the holding block is connected with a negative pressure structure through a connecting pipe, the holding block is rotationally connected with the connecting pipe, an inner cavity of the puncture tube sequentially penetrates through the holding block and the connecting pipe to be communicated with the inside of the negative pressure structure, and the end part of the rotary cutting piece penetrates through the holding block to be connected with the connecting pipe.
2. A puncture sampling device for clinical neoplasms as set forth in claim 1, wherein: the negative pressure structure comprises a cylinder body, a piston and a driving assembly, wherein the piston is positioned inside the cylinder body, the driving assembly is used for driving the piston to linearly move, the driving assembly comprises a threaded rod and a threaded frame, the threaded frame is fixedly connected with the cylinder body, the threaded rod is connected with the threaded frame through threaded fit, and the end part of the threaded rod is connected with the piston.
3. A puncture sampling device for clinical neoplasms as set forth in claim 1, wherein: the puncture part is in a conical structure.
4. A puncture sampling device for clinical neoplasms as set forth in claim 2, wherein: one end of the threaded rod penetrates through the threaded frame to be fixedly connected with the rotating wheel, and the other end of the threaded rod is connected with the piston.
5. The puncture sampling device for clinical tumors according to claim 4, wherein: the threaded rod is connected with the piston through a connecting piece, the threaded rod is rotationally connected with the connecting piece, and the connecting piece is fixedly connected with the piston.
6. The puncture sampling device for clinical tumors according to claim 5, wherein: the piston is made of an elastic material.
7. A puncture sampling device for clinical neoplasms as set forth in claim 1, wherein: the section of the sampling hole is circular or elliptical.
8. A puncture sampling device for clinical neoplasms according to claim 1 or 2, wherein: the rotary cutting piece comprises a main body part and a cutting part, the rotary cutting piece is of an arc-shaped structure, and the section thickness of the rotary cutting piece is gradually decreased along the direction from the main body part to the cutting part.
9. A puncture sampling device for clinical neoplasms as set forth in claim 2, wherein: the thread rack comprises a thread block and a connecting rib, wherein the thread block is positioned on the axis of the cylinder body, and the thread block is fixedly connected with the cylinder body through the connecting rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490317.0U CN220360429U (en) | 2022-09-20 | 2022-09-20 | Puncture sampling device for clinical tumor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490317.0U CN220360429U (en) | 2022-09-20 | 2022-09-20 | Puncture sampling device for clinical tumor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220360429U true CN220360429U (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222490317.0U Active CN220360429U (en) | 2022-09-20 | 2022-09-20 | Puncture sampling device for clinical tumor |
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| Country | Link |
|---|---|
| CN (1) | CN220360429U (en) |
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2022
- 2022-09-20 CN CN202222490317.0U patent/CN220360429U/en active Active
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