CN221154192U - Tumor puncture sampling device - Google Patents
Tumor puncture sampling device Download PDFInfo
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- CN221154192U CN221154192U CN202420228105.1U CN202420228105U CN221154192U CN 221154192 U CN221154192 U CN 221154192U CN 202420228105 U CN202420228105 U CN 202420228105U CN 221154192 U CN221154192 U CN 221154192U
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- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 43
- 238000005070 sampling Methods 0.000 title claims abstract description 31
- 230000000670 limiting effect Effects 0.000 claims abstract description 60
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 22
- 230000009471 action Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 238000002626 targeted therapy Methods 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
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Abstract
The utility model relates to the field of medical equipment and discloses a tumor puncture sampling device which comprises a needle cylinder, wherein a puncture needle can be installed and detached on the inner wall of the left side of the needle cylinder, a rubber piston is connected with the inner wall piston of the needle cylinder, a push rod is fixedly connected with the right side of the rubber piston, a collecting box is fixedly connected with the bottom of the needle cylinder, a clamping assembly is arranged on the inner wall of the puncture needle, an adjusting assembly is arranged on the outer wall of the puncture needle, the clamping assembly comprises a clamping block, the outer wall of the clamping block is elastically connected with the inner wall of the right side of the puncture needle through a limiting spring, a clamping groove is formed in the left side of the needle cylinder, and a cylindrical block is fixedly connected with the left side of the rubber piston. According to the utility model, the clamping assembly, the push rod and the rubber piston are arranged, the cylindrical block is inserted with the puncture needle, and the push rod is pulled outwards to drive the puncture needle to move into the needle cylinder for protection, so that the safety of the tumor puncture sampling device is improved.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a tumor puncturing and sampling device.
Background
Tumor refers to an abnormal tissue growth formed by abnormal proliferation and aggregation of cells in vivo, and can be divided into benign tumor and malignant tumor, and common tumor treatment methods include surgical excision, radiotherapy, chemotherapy, targeted therapy and the like, and the treatment selection generally depends on the type, position, size of the tumor and the overall health condition of a patient.
Searching, chinese patent bulletin number: CN218832798U discloses a tumor puncturing sampling device, through taking out the tumor tissue after, pulling the piston and then the piston will flow the tumor tissue to the check valve inside through the auxiliary pipe to flow to the inner chamber inside through the check valve, thereby be convenient for store.
Considering that the puncture needle is usually exposed after the medical staff uses the puncture needle to sample, the needle head is provided with microorganisms and pathogens after the puncture needle is used for sampling, so that the infection risk of surrounding medical staff is increased, the safety of the tumor puncture sampling device is reduced, and the tumor puncture sampling device is provided for solving the problems.
Disclosure of utility model
In order to make up for the defects, the utility model provides a tumor puncture sampling device, which aims to solve the problems that after a puncture needle is used in the prior art, the puncture needle is usually exposed to air, the risk of infection of medical staff is increased, and the safety of the tumor puncture sampling device is reduced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the needle comprises a needle cylinder, wherein a puncture needle can be installed and detached on the inner wall of the left side of the needle cylinder, a rubber piston is connected with the piston on the inner wall of the needle cylinder, a push rod is fixedly connected on the right side of the rubber piston, a collecting box is fixedly connected on the bottom of the needle cylinder, a clamping assembly is arranged on the inner wall of the puncture needle, and an adjusting assembly is arranged on the outer wall of the puncture needle;
the clamping assembly comprises a clamping block, the outer wall of the clamping block is elastically connected with the right inner wall of the puncture needle through a limiting spring, and the left side of the needle cylinder is provided with a clamping groove.
As a further description of the above technical solution:
The left side fixedly connected with cylinder piece of rubber piston, the inner wall of cylinder piece is connected with the voussoir through compression spring elasticity, square groove has been seted up on the right side of pjncture needle.
As a further description of the above technical solution:
The adjusting component comprises a baffle, the top fixedly connected with connecting rod of baffle, the top right side fixedly connected with handle of connecting rod, the top fixedly connected with dead lever of cylinder, the inner wall of connecting rod is provided with spacing subassembly.
As a further description of the above technical solution:
One end of the limiting spring is fixedly connected with the right inner wall of the puncture needle, the other end of the limiting spring is fixedly connected to the outer wall of the clamping block, the outer wall of the clamping block is slidably connected with the right inner wall of the puncture needle, and the outer wall of the clamping block is connected with the inner wall of the clamping groove in a clamping mode.
As a further description of the above technical solution:
One end of the compression spring is fixedly connected with the inner wall of the cylindrical block, the other end of the compression spring is fixedly connected to the outer wall of the wedge block, the outer wall of the wedge block is slidably connected with the inner wall of the cylindrical block, the outer wall of the wedge block is clamped with the inner wall of the square groove, and the outer wall of the cylindrical block is spliced with the right inner wall of the puncture needle.
As a further description of the above technical solution:
The inner wall of baffle and the periphery sliding connection of pjncture needle, the outer wall of connecting rod and the inner wall sliding connection of dead lever.
As a further description of the above technical solution:
The limiting assembly comprises a limiting block, the outer wall of the limiting block is elastically connected with the inner wall of the connecting rod through a spring, and a limiting groove is formed in the front face of the fixing rod.
As a further description of the above technical solution:
One end of the spring is fixedly connected with the inner wall of the connecting rod, the other end of the spring is fixedly connected to the outer wall of the limiting block, the outer wall of the limiting block is slidably connected with the inner wall of the connecting rod, and the outer wall of the limiting block is connected with the inner wall of the limiting groove in a clamping mode.
The utility model has the following beneficial effects:
1. According to the tumor puncture sampling device, the clamping assembly, the push rod and the rubber piston are arranged, after sampling is completed, the clamping block is pressed by a worker, the push rod is pushed simultaneously, the piston and the cylindrical block are driven to move, the cylindrical block and the puncture needle are spliced, meanwhile, the wedge block and the square groove are clamped, the push rod is pulled outwards, the puncture needle is driven to move into the needle cylinder for protection, and the safety of the tumor puncture sampling device is improved.
2. According to the tumor puncture sampling device, the adjusting component and the limiting component are arranged, the connecting rod slides along the inner wall of the fixed rod to drive the baffle to slide along the outer wall of the puncture needle, and the depth of the puncture needle when the puncture needle is inserted into tumors is adjusted, so that tumor tissues at different positions can be sampled, the depth of the tumor in a patient can be measured, and the practicability of the tumor puncture sampling device is improved.
Drawings
Fig. 1 is a schematic perspective view of a tumor puncturing and sampling device according to the present utility model;
fig. 2 is a schematic diagram of a split structure of a puncture needle of the tumor puncture sampling device according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a cylindrical block of a tumor puncturing and sampling device according to the present utility model;
Fig. 4 is a schematic view of a front view of a syringe of the tumor puncturing and sampling device according to the present utility model;
Fig. 5 is a schematic sectional view of a connecting rod of a tumor puncturing and sampling device according to the present utility model.
Legend description:
1. A needle cylinder; 2. a puncture needle; 3. a push rod; 4. a collection box; 5. a clamping assembly; 51. a clamping block; 52. a limit spring; 53. a clamping groove; 54. a cylindrical block; 55. wedge blocks; 56. a compression spring; 57. a square groove; 6. an adjustment assembly; 61. a baffle; 62. a fixed rod; 63. a connecting rod; 64. a handle; 65. a limit component; 651. a limiting block; 652. a spring; 653. a limit groove; 7. a rubber piston.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, one embodiment provided by the present utility model is: including cylinder 1, the left side inner wall of cylinder 1 can be installed and dismantled there is pjncture needle 2, through inserting pjncture needle 2 in the internal tumour of patient, sample tumour tissue, the inner wall piston connection of cylinder 1 has rubber piston 7, through the removal effect of rubber piston 7, in extracting cylinder 1 with tumour sample, the right side fixedly connected with push rod 3 of rubber piston 7, through pushing or pulling push rod 3, drive rubber piston 7 and remove, the bottom fixedly connected with collecting box 4 of cylinder 1, be provided with the check valve on the collecting box 4, store the sample in the cylinder 1 through collecting box 4, the inner wall of pjncture needle 2 is provided with joint subassembly 5, through joint subassembly 5, carry out spacingly pjncture needle 2, make pjncture needle 2 keep fixed, the outer wall of pjncture needle 2 is provided with adjusting part 6, through adjusting part 6, the position of adjusting plate 61.
Referring to fig. 2 and 4, the clamping assembly 5 includes a clamping block 51, the outer wall of the clamping block 51 is elastically connected with the right inner wall of the puncture needle 2 through a limiting spring 52, and the clamping block 51 always maintains the clamping effect with the clamping groove 53 under the action of no external force through the elastic force of the limiting spring 52, so as to limit the puncture needle 2, and the clamping groove 53 is formed in the left side of the needle cylinder 1.
Referring to fig. 2 and 3, the left side of the rubber piston 7 is fixedly connected with a cylindrical block 54, the cylindrical block 54 is prevented from falling off due to the fixing effect of the cylindrical block 54, the inner wall of the cylindrical block 54 is elastically connected with a wedge block 55 through a compression spring 56, the wedge block 55 always maintains the clamping effect with a square groove 57 under the action of no external force through the elasticity of the compression spring 56, the puncture needle 2 is limited, the puncture needle 2 is fixedly connected to the cylindrical block 54, and the square groove 57 is formed in the right side of the puncture needle 2.
Referring to fig. 1 and 4, the adjusting part 6 includes baffle 61, the top fixedly connected with connecting rod 63 of baffle 61, through the removal effect of connecting rod 63, drive baffle 61 and slide, the top right side fixedly connected with handle 64 of connecting rod 63, be convenient for staff removes connecting rod 63 through handle 64, the top fixedly connected with dead lever 62 of cylinder 1, through the fixed effect of dead lever 62, prevent that dead lever 62 from taking place to drop, the inner wall of connecting rod 63 is provided with spacing subassembly 65, through spacing subassembly 65, carry out the spacing to connecting rod 63, make baffle 61 keep fixed.
Referring to fig. 2, one end of the limiting spring 52 is fixedly connected with the right inner wall of the puncture needle 2, the other end of the limiting spring 52 is fixedly connected to the outer wall of the clamping block 51, the clamping block 51 is prevented from falling off due to the fixing effect of the limiting spring 52, the outer wall of the clamping block 51 is slidably connected with the right inner wall of the puncture needle 2, the clamping block 51 is clamped with the clamping groove 53 or the clamping effect is relieved due to the sliding effect of the clamping block 51, the outer wall of the clamping block 51 is clamped with the inner wall of the clamping groove 53, and the puncture needle 2 is limited by the needle cylinder 1 due to the clamping effect of the clamping block 51 and the clamping groove 53, so that the puncture needle 2 is kept fixed.
Referring to fig. 3, one end of the compression spring 56 is fixedly connected to the inner wall of the cylindrical block 54, the other end of the compression spring 56 is fixedly connected to the outer wall of the wedge block 55, the wedge block 55 is kept fixed by the fixing effect of the compression spring 56, the wedge block 55 is prevented from falling off, the outer wall of the wedge block 55 is slidably connected to the inner wall of the cylindrical block 54, the wedge block 55 is clamped with the square groove 57 or the clamping effect is released by the sliding effect of the wedge block 55, the outer wall of the wedge block 55 is clamped with the inner wall of the square groove 57, the cylindrical block 54 limits the puncture needle 2 by the clamping effect of the wedge block 55 and the square groove 57, and the outer wall of the cylindrical block 54 is spliced with the right inner wall of the puncture needle 2.
Referring to fig. 4 and 5, the inner wall of the baffle 61 is slidably connected with the outer circumference of the puncture needle 2, the insertion depth of the puncture needle 2 is adjusted by the sliding effect of the baffle 61, the outer wall of the connecting rod 63 is slidably connected with the inner wall of the fixing rod 62, the connecting rod 63 is guided by the fixing rod 62, the moving direction of the connecting rod 63 is prevented from being deviated, the limiting assembly 65 comprises a limiting block 651, the outer wall of the limiting block 651 is elastically connected with the inner wall of the connecting rod 63 through a spring 652, the limiting block 651 always keeps the clamping effect with the limiting groove 653 under the action of external force through the elastic force of the spring 652, the connecting rod 63 is limited, the limiting grooves 653 are formed in the front face of the fixing rod 62, multiple groups of limiting grooves 653 are formed in the limiting grooves, and the limiting grooves 653 are clamped by the multiple groups at different positions with the limiting block 651, and the limiting effect at different positions is performed on the connecting rod 63.
Referring to fig. 5, one end of the spring 652 is fixedly connected with the inner wall of the connecting rod 63, the other end of the spring 652 is fixedly connected to the outer wall of the limiting block 651, the limiting block 651 is kept fixed through the fixing effect of the spring 652, the limiting block 651 is prevented from falling off, the outer wall of the limiting block 651 is slidably connected with the inner wall of the connecting rod 63, the limiting block 651 is clamped with the limiting groove 653 or the clamping effect is relieved through the sliding effect of the limiting block 651, the outer wall of the limiting block 651 is clamped with the inner wall of the limiting groove 653, and the connecting rod 63 is limited by the fixing rod 62 through the clamping effect of the limiting block 651 and the limiting groove 653, so that the baffle 61 is kept fixed.
Working principle: the puncture needle 2 is inserted into a tumor in a patient body by a medical staff, the push rod 3 is pulled outwards, the rubber piston 7 is driven to move rightwards by the push rod 3, a tumor sample is sucked into the needle cylinder 1, and the one-way valve is opened, so that the tumor sample in the needle cylinder 1 flows into the collection box 4 to be stored.
When the different positions of the tumor in the patient body need to be sampled, the limiting block 651 is pressed by a worker, so that the limiting block 651 is released from the clamping effect of the limiting groove 653, the limiting effect of the connecting rod 63 is simultaneously released, the medical staff uses the handle 64 to drive the connecting rod 63 to slide along the inner wall of the fixed rod 62, thereby driving the baffle 61 to slide along the outer wall of the puncture needle 2, adjusting the insertion depth of the puncture needle 2, sampling work at different positions is performed, and the limiting block 651 is released, so that the limiting block 651 is clamped with the limiting groove 653 under the elastic force of the spring 652, the connecting rod 63 is limited, and the baffle 61 is kept fixed.
After the sampling is finished, the push rod 3 is pushed by medical staff, the rubber piston 7 drives the cylindrical block 54 to move leftwards and is spliced with the right inner wall of the puncture needle 2, meanwhile, the wedge block 55 is clamped with the square groove 57 under the action of the elastic force of the compression spring 56, the cylindrical block 54 limits the puncture needle 2, the clamping block 51 is pressed by the medical staff, the clamping block 51 releases the clamping effect with the clamping groove 53, the needle cylinder 1 releases the limit of the puncture needle 2, and the push rod 3 is pulled outwards, so that the cylindrical block 54 drives the puncture needle 2 to move rightwards, and the puncture needle 2 is stored in the needle cylinder 1 for protection.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. A tumor puncturing sampling device, which comprises a needle cylinder (1), and is characterized in that: the novel needle tube is characterized in that a puncture needle (2) can be installed and detached on the left inner wall of the needle tube (1), a rubber piston (7) is connected with the inner wall piston of the needle tube (1), a push rod (3) is fixedly connected to the right side of the rubber piston (7), a collecting box (4) is fixedly connected to the bottom of the needle tube (1), a clamping assembly (5) is arranged on the inner wall of the puncture needle (2), and an adjusting assembly (6) is arranged on the outer wall of the puncture needle (2);
The clamping assembly (5) comprises a clamping block (51), the outer wall of the clamping block (51) is elastically connected with the right inner wall of the puncture needle (2) through a limiting spring (52), and the left side of the needle cylinder (1) is provided with a clamping groove (53).
2. The tumor puncturing and sampling device of claim 1, wherein: the left side fixedly connected with cylinder piece (54) of rubber piston (7), the inner wall of cylinder piece (54) is through compression spring (56) elastic connection has voussoir (55), square groove (57) have been seted up on the right side of pjncture needle (2).
3. The tumor puncturing and sampling device of claim 1, wherein: the adjusting component (6) comprises a baffle (61), a connecting rod (63) is fixedly connected to the top of the baffle (61), a handle (64) is fixedly connected to the right side of the top of the connecting rod (63), a fixing rod (62) is fixedly connected to the top of the needle cylinder (1), and a limiting component (65) is arranged on the inner wall of the connecting rod (63).
4. The tumor puncturing and sampling device of claim 1, wherein: one end of a limiting spring (52) is fixedly connected with the right inner wall of the puncture needle (2), the other end of the limiting spring (52) is fixedly connected to the outer wall of a clamping block (51), the outer wall of the clamping block (51) is slidably connected with the right inner wall of the puncture needle (2), and the outer wall of the clamping block (51) is in clamping connection with the inner wall of a clamping groove (53).
5. The tumor puncturing and sampling device of claim 2, wherein: one end of the compression spring (56) is fixedly connected with the inner wall of the cylindrical block (54), the other end of the compression spring (56) is fixedly connected to the outer wall of the wedge block (55), the outer wall of the wedge block (55) is slidably connected with the inner wall of the cylindrical block (54), the outer wall of the wedge block (55) is clamped with the inner wall of the square groove (57), and the outer wall of the cylindrical block (54) is spliced with the right inner wall of the puncture needle (2).
6. A tumor puncturing sampling device as claimed in claim 3, wherein: the inner wall of the baffle (61) is in sliding connection with the periphery of the puncture needle (2), and the outer wall of the connecting rod (63) is in sliding connection with the inner wall of the fixing rod (62).
7. A tumor puncturing sampling device as claimed in claim 3, wherein: the limiting assembly (65) comprises a limiting block (651), the outer wall of the limiting block (651) is elastically connected with the inner wall of the connecting rod (63) through a spring (652), and a limiting groove (653) is formed in the front face of the fixing rod (62).
8. The tumor puncturing sampling apparatus of claim 7, wherein: one end of the spring (652) is fixedly connected with the inner wall of the connecting rod (63), the other end of the spring (652) is fixedly connected to the outer wall of the limiting block (651), the outer wall of the limiting block (651) is slidably connected with the inner wall of the connecting rod (63), and the outer wall of the limiting block (651) is clamped with the inner wall of the limiting groove (653).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420228105.1U CN221154192U (en) | 2024-01-31 | 2024-01-31 | Tumor puncture sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420228105.1U CN221154192U (en) | 2024-01-31 | 2024-01-31 | Tumor puncture sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN221154192U true CN221154192U (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420228105.1U Active CN221154192U (en) | 2024-01-31 | 2024-01-31 | Tumor puncture sampling device |
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| Country | Link |
|---|---|
| CN (1) | CN221154192U (en) |
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- 2024-01-31 CN CN202420228105.1U patent/CN221154192U/en active Active
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