CN214907368U - Alimentary canal tumour biopsy sampling device - Google Patents
Alimentary canal tumour biopsy sampling device Download PDFInfo
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- CN214907368U CN214907368U CN202120917818.5U CN202120917818U CN214907368U CN 214907368 U CN214907368 U CN 214907368U CN 202120917818 U CN202120917818 U CN 202120917818U CN 214907368 U CN214907368 U CN 214907368U
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- puncture needle
- syringe
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- main body
- needle cylinder
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Abstract
The utility model discloses a digestive tract tumor biopsy sampling device, which comprises a needle cylinder main body; the puncture needle is movably arranged in the needle cylinder main body; one end of the puncture needle is connected with an electric push rod; the electric push rod drives the puncture needle to move to the outside of the syringe main body so as to realize that the needle tip of the puncture needle penetrates tumor tissue and is used for sucking tumor tissue liquid; the middle section part of the expansion mechanism is arranged in the syringe main body, and the two end parts of the expansion mechanism are positioned outside the syringe main body; the expansion mechanism expands the tumor sampling tissue to be matched with the puncture needle to suck tumor tissue liquid; the puncture needle in the device can be used for penetrating tumor tissues, and can also be used for sucking tumor tissue liquid for biopsy sampling, so that the device is flexible and convenient to use, and the sampling process is simplified; the expansion mechanism is additionally arranged on the device, and when the tumor of a patient is sampled, the tissue at the sampling position of the patient can be expanded, so that the puncture needle can be conveniently sucked and sampled.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a alimentary canal tumour biopsy sampling device.
Background
The tumor biopsy is to take a small amount of tissues (according to different conditions, clamping, cutting, excising or puncture suction and other methods can be adopted) from a tumor part of a patient to prepare pathological sections, observe the form of the tissue structure of tumor cells under a microscope, determine the property, the histological type, the differentiation degree and the like of the tumor, and provide reliable basis for clinical treatment; during the biopsy sampling process of the alimentary canal tumor, the secretion is extracted and tested by the puncture needle penetrating the tumor in the body cavity.
The existing digestive tract tumor biopsy sampling device still has the following problems:
1. the operation steps are complicated, a puncture needle needs to be used for penetration, and other auxiliary equipment is used for sucking tumor tissue liquid for biopsy sampling;
2. when the tumor of the patient is sampled, the tissue at the sampled position of the patient cannot be expanded, so that the sampling is inconvenient;
consequently, combine among the prior art tumour biopsy sample step loaded down with trivial details, sample department tissue can't expand and lead to the inconvenient problem of sample, design a structural optimization, use are nimble, realize that the puncture sample goes on in step, simplifies the sample process, further alleviate medical personnel's work load, reduce the device of operation risk to solve above-mentioned problem.
Disclosure of Invention
The utility model aims at providing a structural optimization, use in a flexible way, realize that the puncture sample goes on in step, simplifies the alimentary canal tumour biopsy sampling device of sample process.
In order to achieve the above object, the present invention provides the following technical solutions:
a gastrointestinal tumor biopsy sampling device, comprising:
a syringe body; and
the puncture needle is movably arranged in the needle cylinder main body;
one end of the puncture needle is connected with an electric push rod;
the electric push rod drives the puncture needle to move to the outside of the syringe main body so as to realize that the needle tip of the puncture needle penetrates tumor tissue and is used for sucking tumor tissue liquid;
the middle section part of the expansion mechanism is arranged in the syringe main body, and the two end parts of the expansion mechanism are positioned outside the syringe main body; wherein
The expansion mechanism expands the tumor sampling tissue to be matched with the puncture needle to suck tumor tissue liquid.
Further, the syringe main body is formed with a syringe section and a syringe section;
the first needle cylinder section and the second needle cylinder section are integrally formed and are communicated with each other.
Further, the expansion mechanism is provided with three sections of needle cylinders;
the three needle cylinder sections are arranged in the one needle cylinder section;
a first piston rod is arranged in the three sections of the needle cylinder;
the piston handle of the first piston rod is positioned outside one section of the needle cylinder;
one end of the three-section needle cylinder close to the two-section needle cylinder is connected with one end of the gas injection pipe;
an expansion end head is formed at the other end of the gas injection pipe;
an expansion bag is sleeved outside the expansion end head; wherein
The first piston rod is pushed into the three sections of the needle cylinder to compress gas so as to realize that the gas is injected into the expansion bag through the gas injection pipe and the expansion end head to form expansion.
Furthermore, a connecting part is arranged on one section of the needle cylinder;
the connecting portion is formed with a sliding groove along a length direction thereof.
Further, the puncture needle is provided with a puncture needle cylinder body;
a second piston rod is arranged in the puncture needle cylinder body;
the side wall of the second piston rod is provided with a connecting rod;
the connecting rod is connected in the sliding groove in a sliding manner; wherein
The connecting rod is pulled to drive the second piston rod to move so as to realize that the puncture needle sucks the tumor tissue fluid into the puncture needle cylinder body.
Further, a liquid collecting pipe is movably arranged below the second section of the needle cylinder;
the liquid collecting pipe is used for collecting tumor tissue liquid in the puncture needle cylinder body.
Furthermore, the outside of the syringe main body is provided with a grip for grasping and fixing.
Furthermore, a switch key is arranged on the syringe main body and used for controlling the on-off of the electric push rod circuit.
In the technical scheme, the utility model discloses a alimentary canal tumour biopsy sampling device has following beneficial effect:
1. the utility model provides a digestive tract tumor biopsy sampling device, the puncture needle can be used for penetrating tumor tissue, and can also realize sucking tumor tissue liquid for biopsy sampling, the use is flexible and convenient, and the sampling process is simplified;
2. the expansion mechanism is additionally arranged on the device, and when the tumor of a patient is sampled, the tissue at the sampling position of the patient can be expanded, so that the puncture needle can be conveniently sucked and sampled.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a biopsy sampling device for digestive tract tumor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a biopsy sampling device for digestive tract tumor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a biopsy sampling device for digestive tract tumor according to an embodiment of the present invention;
fig. 4 is a schematic partial structural view of a biopsy sampling device for digestive tract tumor provided in an embodiment of the present invention;
fig. 5 is a schematic partial structural view of a biopsy sampling device for digestive tract tumor according to an embodiment of the present invention.
Description of reference numerals:
1. a syringe body; 2. puncturing needle; 3. an electric push rod; 4. an expansion mechanism; 5. a liquid collecting pipe; 6. a grip; 7. switching a key;
11. a syringe section; 12. a second section of the needle cylinder; 13. a connecting portion;
131. a chute;
41. a needle cylinder is divided into three sections; 42. a first piston rod; 43. a gas injection pipe; 44. expanding the tip; 45. expanding the balloon;
21. a puncture needle cylinder body; 22. a second piston rod; 23. a connecting rod.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
It is to be noted that the terms "upper", "one end", "the other end", "outside", and the like, as used herein, are used in the orientation or positional relationship shown in the drawings only for the convenience of description and simplicity of description, and similar expressions are used for the purpose of illustration only and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 to 5;
the utility model discloses a alimentary canal tumour biopsy sampling device, include:
a syringe main body 1; and
the puncture needle 2 is movably arranged in the syringe main body 1;
one end of the puncture needle 2 is connected with an electric push rod 3;
the electric push rod 3 drives the puncture needle 2 to move to the outside of the syringe main body 1 so as to enable the needle tip of the puncture needle 2 to penetrate tumor tissue and suck tumor tissue liquid;
the middle section part of the expansion mechanism 4 is arranged in the syringe main body 1, and the two end parts of the expansion mechanism 4 are positioned outside the syringe main body 1; wherein
The expansion mechanism 4 expands the tumor sampling tissue to cooperate with the puncture needle 2 to suck the tumor tissue fluid.
Specifically, the utility model provides a pair of alimentary canal tumour biopsy sampling device, when using, 3 drive pjncture needles 2 of electricity push rod pierce through the tumour tissue, and expanding mechanism 4 expands tumour sample department simultaneously, and pjncture needle 2 is taken tumour tissue liquid out in tumour sample department and is used for doing the chemical examination, and then confirms patient's treatment.
The syringe main body 1 is formed with a syringe section 11 and a syringe section 12;
the barrel section 11 and the barrel section 12 are integrally formed and communicate with each other.
Specifically, the first syringe section 11 and the second syringe section 12 are communicated with each other, the first syringe section 11 and the second syringe section 12 are connected with each other through two sets of circular tubular structures (refer to fig. 1, fig. 2 or fig. 3), and the puncture needle 2 and the expansion mechanism 4 are respectively connected through an upper circular tubular structure and a lower circular tubular structure, so that the puncture needle 2 and the expansion mechanism 4 cannot touch each other through the installation mode.
The expansion mechanism 4 is formed with a syringe three-section 41;
the syringe three-section 41 is arranged in the syringe one-section 11;
a first piston rod 42 is arranged in the needle cylinder section 41;
the piston handle of the first piston rod 42 is located outside the barrel section 11;
one end of the syringe three-section 41 close to the syringe two-section 12 is connected with one end of a gas injection pipe 43;
the other end of the gas injection pipe 43 is formed with an expansion tip 44;
the external part of the expansion end head 44 is sleeved with an expansion bag 45; wherein
The first piston rod 42 pushes the compressed gas into the barrel section 41 to effect the injection of gas through the gas injection tube 43, the expansion tip 44 and into the expansion bladder 45 to form an expansion.
Specifically, the expansion end 44 and the gas injection tube 43 enter the tumor tissue sampling site of the patient, and then the medical staff pushes the first piston rod 42 into the syringe three-section 41, the gas is gradually compressed into the expansion bag 45, the expansion bag 45 gradually expands until the tumor tissue sampling site is expanded, and the tumor tissue sampling site is expanded, so that the puncture needle 2 can be conveniently inserted and the tissue fluid can be conveniently pumped.
A connecting part 13 is arranged on the syringe section 11;
the connecting portion 13 is formed with a slide groove 131 along a length direction thereof.
The puncture needle 2 is provided with a puncture needle cylinder 21;
a second piston rod 22 is arranged in the puncture needle cylinder body 21;
the side wall of the second piston rod 22 is provided with a connecting rod 23;
the connecting rod 23 is slidably connected in the chute 131; wherein
The connecting rod 23 is pulled to drive the second piston rod 22 to move so as to realize that the puncture needle 2 sucks the tumor tissue fluid into the puncture needle cylinder 21.
Specifically, when the puncture needle 2 is inserted into tumor tissue, the device is powered on, the electric push rod 3 starts to work, the driving end of the electric push rod 3 drives the puncture needle 2 to move until the needle point of the puncture needle 2 penetrates through the tumor tissue, then when the puncture needle 2 is used for sucking tumor tissue fluid, the medical staff pulls the connecting rod 23 to pull in the opposite direction of the needle point, the connecting rod 23 slides in the sliding groove 131 to drive the second piston rod 22 to move, and at the moment, the tumor tissue fluid is sucked into the puncture needle cylinder 21 through the puncture needle 2.
A liquid collecting pipe 5 is movably arranged below the second section 12 of the syringe;
the liquid collecting tube 5 is used for collecting the tumor tissue liquid inside the puncture needle cylinder body 21.
Preferably, the tumor tissue fluid is retained in the puncture needle cylinder body 21 after the suction is completed, the liquid collecting tube 5 is unscrewed from the two needle cylinder sections 12, the tumor tissue fluid in the puncture needle cylinder body 21 is pushed into the liquid collecting tube 5 for storage (the pushing-out mode of the tumor tissue fluid is the reverse operation of the suction), and the later-period test use of medical staff is facilitated.
The outside of the syringe body 1 is provided with a grip 6 for grasping and fixing.
Specifically, medical personnel can grasp handle 6 in the operation process, be convenient for fixed, prevent that hand sweat etc. from causing the landing, and then influence the security of operation.
The syringe main body 1 is provided with a switch button 7 for controlling the on-off of the circuit of the electric push rod 3.
Specifically, after the device is communicated with a power supply, the electric push rod 3 is started or closed through the switch key 7, the puncture needle 2 can be better controlled to be pushed out or retracted, the accuracy of the operation is ensured, the risk of the operation is reduced, and the success rate of the operation is further improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A gastrointestinal tumor biopsy sampling device, comprising:
a syringe body (1); and
the puncture needle (2), the puncture needle (2) is movably arranged in the syringe main body (1);
one end of the puncture needle (2) is connected with an electric push rod (3);
the electric push rod (3) drives the puncture needle (2) to move to the outside of the syringe main body (1) so as to enable the needle tip of the puncture needle (2) to penetrate tumor tissues and suck tumor tissue liquid;
the middle section part of the expansion mechanism (4) is arranged in the syringe main body (1), and two end parts of the expansion mechanism (4) are positioned outside the syringe main body (1); wherein
The expansion mechanism (4) expands the tumor sampling tissue to be matched with the puncture needle (2) to suck the tumor tissue liquid.
2. The biopsy sampling device for digestive tract tumors according to claim 1, wherein:
the syringe main body (1) is provided with a syringe section (11) and a syringe section (12);
the syringe section (11) and the syringe section (12) are integrally formed and are communicated with each other.
3. The biopsy sampling device for digestive tract tumors according to claim 2, wherein:
the expansion mechanism (4) is provided with three needle cylinder sections (41);
the three needle cylinder sections (41) are arranged in the one needle cylinder section (11);
a first piston rod (42) is arranged in the needle cylinder three sections (41);
the piston handle of the first piston rod (42) is positioned outside one section (11) of the syringe;
one end of the needle cylinder three-section (41) close to the needle cylinder two-section (12) is connected with one end of a gas injection pipe (43);
the other end of the gas injection pipe (43) is provided with an expansion end head (44);
an expansion bag (45) is sleeved outside the expansion end head (44); wherein
The first piston rod (42) is pushed into the needle cylinder three sections (41) to compress gas so as to realize that the gas is injected into the expansion bag (45) through the gas injection pipe (43) and the expansion end head (44) to form expansion.
4. The biopsy sampling device for digestive tract tumors according to claim 2, wherein:
a connecting part (13) is arranged on the syringe section (11);
the connecting part (13) is formed with a sliding groove (131) along the length direction thereof.
5. The biopsy sampling device for digestive tract tumors of claim 4, wherein:
the puncture needle (2) is provided with a puncture needle cylinder body (21);
a second piston rod (22) is arranged in the puncture needle cylinder body (21);
a connecting rod (23) is mounted on the side wall of the second piston rod (22);
the connecting rod (23) is connected in the sliding groove (131) in a sliding manner; wherein
The connecting rod (23) is pulled to drive the second piston rod (22) to move so as to realize that the puncture needle (2) sucks the tumor tissue fluid into the puncture needle cylinder body (21).
6. The biopsy sampling device for digestive tract tumors as claimed in claim 5, wherein:
a liquid collecting pipe (5) is movably arranged below the needle cylinder section (12);
the liquid collecting pipe (5) is used for collecting tumor tissue liquid in the puncture needle cylinder body (21).
7. The biopsy sampling device for digestive tract tumors according to claim 1, wherein:
the outside of the syringe main body (1) is provided with a grip (6) for grabbing and fixing.
8. The biopsy sampling device for digestive tract tumors according to claim 2, wherein:
the syringe main body (1) is provided with a switch key (7) for controlling the on-off of the circuit of the electric push rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917818.5U CN214907368U (en) | 2021-04-29 | 2021-04-29 | Alimentary canal tumour biopsy sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917818.5U CN214907368U (en) | 2021-04-29 | 2021-04-29 | Alimentary canal tumour biopsy sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214907368U true CN214907368U (en) | 2021-11-30 |
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ID=79065402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120917818.5U Active CN214907368U (en) | 2021-04-29 | 2021-04-29 | Alimentary canal tumour biopsy sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214907368U (en) |
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2021
- 2021-04-29 CN CN202120917818.5U patent/CN214907368U/en active Active
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