Puncture sampling device for medical oncology
By introducing a fixing device and negative pressure sample suction technology into the puncture sampling device, the sampling accuracy and safety problems in the prior art are solved, and the sampling success rate and operation simplicity are improved.
Patent Information
- Application Number
- CN202411567854.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing puncture sampling device has low accuracy during sampling, which can easily cause injury to the patient, resulting in a low sampling success rate and increases the patient's pain.
A system including fixing device, puncture device and sampling device was designed. Through structures such as U-shaped plate, screw, rotating rod and magnifying glass, the fixing and height adjustment of the device is realized to ensure the precise insertion of the puncture needle and use the ears to absorb the ears. The ball and one-way valve achieve negative pressure sampling, which improves sampling accuracy and success rate.
The safety and accuracy of operation are improved through the fixing device, the risk of injury is reduced, and the sampling success rate is improved through negative pressure sampling aspiration technology, simplifying the operation difficulty of medical staff.
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Figure CN119235371A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of puncture sampling devices, in particular to a puncture sampling device used in oncology. Background Art
[0002] A tumor refers to a new growth formed by the proliferation of local tissue cells under the action of various tumorigenic factors. Because this new growth is mostly space-occupying mass-like protrusions, it is also called a growth. Studies have found that tumor cells will undergo metabolic changes different from normal cells. At the same time, tumor cells themselves can adapt to changes in the metabolic environment by switching between glycolysis and oxidative phosphorylation. In 2019, a new article was published in which researchers found that the use of metformin in a fasting state can significantly inhibit tumor growth.
[0003] Although the prior art uses a puncture sampling device to sample and examine a patient's tumor, the medical staff has low accuracy when taking samples with the handheld device, which can easily cause injuries to the patient, resulting in a low sampling success rate for the puncture sampling device and increased pain for the patient. Therefore, a person skilled in the art has provided a puncture sampling device for oncology to solve the problems raised in the above background technology. Summary of the invention
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the present invention provides a puncture sampling device for oncology, which solves the problem that the entire device can be fixed during sampling and the insertion depth of the puncture needle can be intuitively seen.
[0006] (II) Technical solution
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a puncture sampling device for oncology, comprising a fixing device, a puncture device and a sampling device, the puncture device is arranged at the top end of the fixing device, and the sampling device is arranged at the rear end of the puncture device, the fixing device comprises a U-shaped plate, the bottom end of the U-shaped plate is threadedly connected to a first screw, the top end of the first screw is rotatably connected to a pressure block, the bottom end of the first screw is fixedly connected to a second rotating handle, the top end of the U-shaped plate is rotatably connected to a rotating rod, the top end of the rotating rod is fixedly connected to a fixing plate, the other end of the fixing plate is fixedly connected to a sliding groove, the inner side wall of the sliding groove is rotatably connected to a screw rod, the side wall of the screw rod is threadedly connected to a sliding block, the bottom end of the sliding block is fixedly connected to a first sleeve, the bottom end of the first sleeve is rotatably connected to an adjusting nut, the inner side wall of the adjusting nut is threadedly connected to a second screw, the bottom end of the second screw is fixedly connected to a fixing clamp, and the rear end of the first rotating handle is rotatably connected to the first rotating handle.
[0008] Preferably, the puncture device includes a first fixing plate, a first through hole is opened in the middle of the front end of the first fixing plate, a puncture needle is fixedly connected to the front end of the first through hole, second sleeves are fixedly connected to the two sides of the rear end of the first fixing plate, two sliding rods are slidably connected to the inner walls of the two second sleeves, springs are respectively sleeved on the side walls of the two second sleeves, an adjusting rod is fixedly connected to the middle of the top end of the first fixing plate, a magnifying glass is fixedly connected to the other end of the adjusting rod, a puncture hole is opened on the front side of the side wall of the puncture needle, and the first fixing plate is arranged at the front end of the fixing clamp.
[0009] Preferably, the sampling device includes a second fixed plate, a second through hole is opened in the middle of the spring, two sides of the top of the second through hole are fixedly connected to mounting brackets, the inner walls of the two mounting brackets are rotatably connected to buckle plates, the inner wall of the second through hole is slidably connected to a sampling needle, a sampling hole is opened on the front side of the side wall of the sampling needle, a notch is fixedly connected to the inner wall of the sampling hole, the rear end of the sampling needle is fixedly connected to a limiting sleeve, the front end of the limiting sleeve is fixedly connected to a magnet, the rear end of the limiting sleeve is fixedly connected to an ear suction ball, the rear end of the inner wall of the ear suction ball is fixedly connected to a one-way valve, and the sampling needle is slidably connected to the inner wall of the puncture needle.
[0010] Preferably, the top end of the first screw rod passes through the bottom end of the U-shaped plate and is rotatably connected to the bottom end of the pressure block, the front end of the first handle passes through the slide groove and is fixedly connected to the rear end of the screw rod, the slider is slidably connected to the inner wall of the slide groove, and the second screw rod passes through the adjusting nut and is slidably connected to the inner wall of the first sleeve.
[0011] Preferably, the side wall of the puncture needle is provided with scale lines, the first through hole and the puncture needle are coaxially arranged, and the diameter of the inner wall of the puncture needle is equal to the diameter of the first through hole.
[0012] Preferably, both ends of the two sliding rods are fixedly connected to the front end of the second fixed plate, the sampling needle is slidably connected to the inner wall of the puncture needle, and the two buckle plates are respectively adapted to the front end of the first fixed plate.
[0013] Preferably, the puncture hole and the incision are adapted to each other, and the side wall of the sampling needle is slidably connected to the inner wall of the fixing clamp.
[0014] Preferably, the sampling needle passes through the second through hole and is connected to the limiting sleeve, and the magnet and the rear end of the second fixing plate are adapted to each other.
[0015] Working principle: Place the U-shaped plate 106 on the periphery of the workbench, turn the second handle 109, and the pressing block 107 can be brought into contact with the bottom of the workbench to fix the device as a whole, insert the sampling needle 302 into the puncture needle 201, press the second fixing plate 305 to make the second fixing plate 305 and the first fixing plate 202 close to each other, and at the same time turn the discount plate 303 to fix the distance between the second fixing plate 305 and the first fixing plate 202, then press the ear suction ball 301 to discharge the air in the sampling needle 302 through the one-way valve 3010, turn the screw rod 1010, so that the second screw rod 1014 is raised and lowered under the action of the adjusting nut 1011, and the height of the device is adjusted to the patient's At the site where sampling is required, turn the first handle 104 to slowly insert the puncture needle 201 into the site where sampling is required on the patient, adjust the magnifying glass 209 to above the scale line 207, observe the scale line 207 to record the extension distance of the puncture needle 201, and after the puncture hole 208 reaches the specified position, release the buckle plate 303, and under the action of the spring 205, the sampling hole 3011 is exposed, and under the negative pressure formed by the ear suction ball 301, part of the tumor is sucked into the sampling hole 3011, and the tumor can be removed and sampled through the incision 307. After the sampling is completed, the sampling needle 302 can be taken out by rotating the first handle 104 in the opposite direction, and the sampling needle 302 can be pulled out of the puncture needle 201.
[0016] (III) Beneficial effects
[0017] The present invention provides a puncture sampling device for oncology. It has the following beneficial effects:
[0018] 1. By setting a fixing device, the U-shaped plate is placed on the periphery of the workbench, and the second rotating handle is turned to make the pressure block contact with the bottom end of the workbench, so as to fix the device as a whole, and the screw rod is turned to make the second screw rod rise and fall under the action of the adjusting nut, and the height of the device is adjusted to the part where the patient needs to take a sample, and the first rotating handle is turned to slowly insert the puncture needle into the part where the patient needs to take a sample. After the sampling is completed, the sampling needle can be taken out by rotating the first rotating handle in the opposite direction, and the sampling needle can be pulled out of the puncture needle. By fixing the device as a whole, the device can be improved in the process of sampling, so as to prevent the patient from being injured again, and effectively improve the safety of the device as a whole when in use.
[0019] 2. By setting up a puncture device, pressing the second fixing plate can make the second fixing plate and the first fixing plate approach each other, and at the same time flipping the folding plate to fix the distance between the second fixing plate and the first fixing plate, insert the sampling needle into the puncture needle, adjust the magnifying glass to above the scale line, observe the scale line to record the extension distance of the puncture needle, use the magnifying glass in conjunction with the scale line, you can intuitively observe the insertion position of the puncture needle, which can effectively improve the accuracy of sampling the patient's tumor.
[0020] 3. By setting up the sampling device, press the ear suction ball at this time to discharge the air in the sampling needle through the one-way valve. After the puncture hole reaches the designated position, release the buckle plate. Under the action of the spring, the sampling hole is exposed, and under the negative pressure formed by the ear suction ball, part of the tumor is sucked into the sampling hole. The tumor can be removed and sampled through the incision. The ear suction ball can effectively suck the tumor into the sampling hole, effectively improving the success rate of sampling and effectively reducing the difficulty of operation for medical staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the present invention;
[0022] Figure 2 It is a schematic diagram of the structure of the puncture device of the present invention;
[0023] Figure 3 It is a schematic diagram of the structure of the sampling device of the present invention;
[0024] Figure 4 It is a schematic diagram of the structure of the fixing device of the present invention;
[0025] Figure 5 It is a schematic diagram of the top view of the puncture device of the present invention;
[0026] Figure 6 For the present invention Figure 2 Enlarged view of point A in the middle.
[0027] Among them, 1. fixing device; 101. slide groove; 102. rotating rod; 103. fixing plate; 104. first rotating handle; 105. first sleeve; 106. U-shaped plate; 107. pressing block; 108. first screw rod; 109. second rotating handle; 1010. screw rod; 1011. adjusting nut; 1012. fixing clip; 1013. slider; 1014. second screw rod; 2. puncture device; 201. puncture needle; 202. first fixing plate; 203. Adjusting rod; 204, sliding rod; 205, spring; 206, second sleeve; 207, graduation mark; 208, puncture hole; 209, magnifying glass; 2010, first through hole; 3, sampling device; 301, ear suction ball; 302, sampling needle; 303, buckle plate; 304, mounting bracket; 305, second fixing plate; 306, second through hole; 307, incision; 308, magnet; 309, limiting sleeve; 3010, one-way valve; 3011, sampling hole. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] Embodiment 1:
[0030] like Figure 1-6 As shown, the embodiment of the present invention provides a puncture sampling device for oncology, including a fixing device 1, a puncture device 2 and a sampling device 3, the puncture device 2 is arranged at the top of the fixing device 1, and the sampling device 3 is arranged at the rear end of the puncture device 2, the fixing device 1 includes a U-shaped plate 106, the bottom end of the U-shaped plate 106 is threadedly connected with a first screw rod 108, the top end of the first screw rod 108 is rotatably connected with a pressing block 107, the bottom end of the first screw rod 108 is fixedly connected with a second rotating handle 109, the top end of the U-shaped plate 106 is rotatably connected with a rotating rod 102, the top end of the rotating rod 102 is fixedly connected with a fixing plate 103, the other end of the fixing plate 103 is fixedly connected with a sliding groove 101, the inner side wall of the sliding groove 101 is rotatably connected with a screw rod 1010, the side wall of the screw rod 1010 is threadedly connected with a slider 1013, the bottom end of the slider 1013 is fixedly connected with a first sleeve 105, the bottom end of the first sleeve 105 is rotatably connected with an adjusting nut 1011, and the inner side wall of the adjusting nut 1011 is threadedly connected to A second screw rod 1014 is connected, and a fixing clamp 1012 is fixedly connected to the bottom end of the second screw rod 1014. The rear end of the first rotating handle 104 is rotatably connected to the first rotating handle 104. By setting the fixing device 1, the U-shaped plate 106 is placed on the periphery of the workbench, and the second rotating handle 109 is rotated to make the pressing block 107 contact with the bottom end of the workbench, so as to fix the device as a whole, and rotate the screw rod 1010 to make the second screw rod 1014 rise and fall under the action of the adjusting nut 1011, and adjust the height of the device to the part where the patient needs to take a sample, and rotate the first rotating handle 104 to slowly insert the puncture needle 201 into the part where the patient needs to take a sample, and after the sampling is completed, the first rotating handle 104 is rotated in the opposite direction to take out the sampling needle 302, and the sampling needle 302 is pulled out of the puncture needle 201. By fixing the device as a whole, the device can be improved in the process of sampling, causing secondary injury to the patient, and effectively improving the safety of the device as a whole when in use.
[0031] The puncture device 2 includes a first fixed plate 202, a first through hole 2010 is provided in the middle of the front end of the first fixed plate 202, a puncture needle 201 is fixedly connected to the front end of the first through hole 2010, second sleeves 206 are fixedly connected to the two sides of the rear end of the first fixed plate 202, the inner walls of the two second sleeves 206 are respectively slidably connected to the sliding rods 204, the side walls of the two second sleeves 206 are respectively sleeved with springs 205, the middle of the top of the first fixed plate 202 is fixedly connected to the adjusting rod 203, the other end of the adjusting rod 203 is fixedly connected to the magnifying glass 209, a puncture hole 208 is provided on the front side of the side wall of the puncture needle 201, and the first fixed plate 202 It is arranged at the front end of the fixing clamp 1012, and by arranging the puncture device 2, pressing the second fixing plate 305 can make the second fixing plate 305 and the first fixing plate 202 approach each other, and at the same time turning down the folding plate 303, so that the distance between the second fixing plate 305 and the first fixing plate 202 is fixed, and the sampling needle 302 is inserted into the puncture needle 201, and the magnifying glass 209 is adjusted to above the scale line 207, and the scale line 207 is observed to record the extension distance of the puncture needle 201. The magnifying glass 209 is used in conjunction with the scale line 207 to intuitively observe the insertion position of the puncture hole 208, which can effectively improve the accuracy of sampling the patient's tumor.
[0032] The sampling device 3 includes a second fixed plate 305, a second through hole 306 is opened in the middle of the spring 205, and the two sides of the top of the second through hole 306 are respectively fixedly connected with mounting brackets 304, and the inner walls of the two mounting brackets 304 are respectively rotatably connected with buckle plates 303, and the inner wall of the second through hole 306 is slidably connected with a sampling needle 302, and a sampling hole 3011 is opened on the front side of the side wall of the sampling needle 302, and a notch 307 is fixedly connected to the inner wall of the sampling hole 3011, and the rear end of the sampling needle 302 is fixedly connected to a limiting sleeve 309, and the front end of the limiting sleeve 309 is fixedly connected to a magnet 308, and the rear end of the limiting sleeve 309 is fixedly connected to an ear suction ball 301, and the rear end of the inner wall of the ear suction ball 301 is fixed A one-way valve 3010 is connected, and the sampling needle 302 is slidably connected to the inner wall of the puncture needle 201. By setting the sampling device 3, the ear suction ball 301 is pressed at this time to discharge the air in the sampling needle 302 through the one-way valve 3010. After the puncture hole 208 reaches the specified position, the buckle plate 303 is released. Under the action of the spring 205, the sampling hole 3011 is exposed, and under the negative pressure formed by the ear suction ball 301, part of the tumor is sucked into the sampling hole 3011, and the tumor can be removed and sampled through the incision 307. The ear suction ball 301 can effectively suck the tumor into the sampling hole 3011, which effectively improves the success rate of sampling and effectively reduces the operating difficulty of medical staff.
[0033] The top of the first screw 108 passes through the bottom of the U-shaped plate 106 and is rotatably connected to the bottom of the pressure block 107. The front end of the first rotating handle 104 passes through the slide groove 101 and is fixedly connected to the rear end of the screw rod 1010. The slider 1013 is slidably connected to the inner wall of the slide groove 101. The second screw 1014 passes through the adjusting nut 1011 and is slidably connected to the inner wall of the first sleeve 105. The side wall of the puncture needle 201 is provided with a scale line 207. The first through hole 2010 is coaxially arranged with the puncture needle 201, and the inner wall diameter of the puncture needle 201 is the same as that of the first through hole 2010. The holes 2010 have equal diameters, the two ends of the two sliding rods 204 are fixedly connected to the front end of the second fixed plate 305, the sampling needle 302 is slidably connected to the inner wall of the puncture needle 201, the two buckle plates 303 are respectively adapted to the front end of the first fixed plate 202, the puncture hole 208 and the incision 307 are adapted to each other, the side wall of the sampling needle 302 is slidably connected to the inner wall of the fixing clip 1012, the sampling needle 302 passes through the second through hole 306 and is connected to the limiting sleeve 309, and the magnet 308 is adapted to the rear end of the second fixed plate 305.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A puncture sampling device for oncology, comprising a fixing device (1), a puncture device (2) and a sampling device (3), wherein the puncture device (2) is arranged at the top end of the fixing device (1), and the sampling device (3) is arranged at the rear end of the puncture device (2), characterized in that: The fixing device (1) comprises a U-shaped plate (106), the bottom end of the U-shaped plate (106) is threadedly connected to a first screw rod (108), the top end of the first screw rod (108) is rotatably connected to a pressure block (107), the bottom end of the first screw rod (108) is fixedly connected to a second handle (109), the top end of the U-shaped plate (106) is rotatably connected to a rotating rod (102), the top end of the rotating rod (102) is fixedly connected to a fixing plate (103), the other end of the fixing plate (103) is fixedly connected to a slide groove (101), and the slide groove (101) is fixedly connected to the fixing plate (103). ) is rotatably connected to the inner wall of the screw rod (1010), the side wall of the screw rod (1010) is threadedly connected to a slider (1013), the bottom end of the slider (1013) is fixedly connected to a first sleeve (105), the bottom end of the first sleeve (105) is rotatably connected to an adjusting nut (1011), the inner wall of the adjusting nut (1011) is threadedly connected to a second screw rod (1014), the bottom end of the second screw rod (1014) is fixedly connected to a fixing clamp (1012), and the rear end of the first rotating handle (104) is rotatably connected to the first rotating handle (104).
2. A puncture sampling device for oncology according to claim 1, characterized in that: The puncture device (2) comprises a first fixing plate (202), a first through hole (2010) is provided in the middle of the front end of the first fixing plate (202), a puncture needle (201) is fixedly connected to the front end of the first through hole (2010), second sleeves (206) are fixedly connected to the two sides of the rear end of the first fixing plate (202), the inner side walls of the two second sleeves (206) are respectively slidably connected to the sliding rods (204), the side walls of the two second sleeves (206) are respectively sleeved with springs (205), the middle of the top end of the first fixing plate (202) is fixedly connected to the adjusting rod (203), the other end of the adjusting rod (203) is fixedly connected to the magnifying glass (209), a puncture hole (208) is provided on the front side of the side wall of the puncture needle (201), and the first fixing plate (202) is arranged at the front end of the fixing clamp (1012).
3. The puncture sampling device for oncology according to claim 1, characterized in that: The sampling device (3) comprises a second fixing plate (305), a second through hole (306) is provided in the middle of the spring (205), mounting brackets (304) are respectively fixedly connected to the top two sides of the second through hole (306), buckle plates (303) are respectively rotatably connected to the inner side walls of the two mounting brackets (304), a sampling needle (302) is slidably connected to the inner side wall of the second through hole (306), and a sampling hole (3011) is provided on the front side of the side wall of the sampling needle (302), The inner wall of the sampling hole (3011) is fixedly connected with a notch (307); the rear end of the sampling needle (302) is fixedly connected with a limiting sleeve (309); the front end of the limiting sleeve (309) is fixedly connected with a magnet (308); the rear end of the limiting sleeve (309) is fixedly connected with an ear suction ball (301); the rear end of the inner wall of the ear suction ball (301) is fixedly connected with a one-way valve (3010); the sampling needle (302) is slidably connected to the inner wall of the puncture needle (201).
4. The puncture sampling device for oncology according to claim 1, characterized in that: The top end of the first screw rod (108) passes through the bottom end of the U-shaped plate (106) and is rotatably connected to the bottom end of the pressure block (107); the front end of the first handle (104) passes through the slide groove (101) and is fixedly connected to the rear end of the screw rod (1010); the slider (1013) is slidably connected to the inner wall of the slide groove (101); and the second screw rod (1014) passes through the adjusting nut (1011) and is slidably connected to the inner wall of the first sleeve (105).
5. The puncture sampling device for oncology according to claim 2, characterized in that: The side wall of the puncture needle (201) is provided with a scale mark (207), the first through hole (2010) and the puncture needle (201) are arranged coaxially, and the diameter of the inner wall of the puncture needle (201) is equal to the diameter of the first through hole (2010).
6. The puncture sampling device for oncology according to claim 3, characterized in that: The other ends of the two sliding rods (204) are respectively fixedly connected to the front end of the second fixing plate (305), the sampling needle (302) is slidably connected to the inner wall of the puncture needle (201), and the two buckle plates (303) are respectively adapted to the front end of the first fixing plate (202).
7. The puncture sampling device for oncology according to claim 3, characterized in that: The puncture hole (208) and the incision (307) are adapted to each other, and the side wall of the sampling needle (302) is slidably connected to the inner wall of the fixing clamp (1012).
8. The puncture sampling device for oncology according to claim 3, characterized in that: The sampling needle (302) passes through the second through hole (306) and is connected to the limiting sleeve (309), and the magnet (308) and the rear end of the second fixing plate (305) are adapted to each other.
Citation Information
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