A scraping needle
By designing a scraper needle with a flow guide groove and magnetic suction connection, the problem of frequent cleaning of existing scraper needles is solved, and continuous operation and efficient cleaning is achieved, reducing operation difficulty and improving speed.
Patent Information
- Application Number
- CN202411441727.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2044-10-16
AI Technical Summary
The existing scraping needle needs to be cleaned after scraping several times, resulting in increased operation difficulty and reduced speed, and continuous operation cannot be achieved.
A scraping needle including a structural body, bearing and toggle assembly is designed. The dirt hooked through the scraping hook is exported along the flow channel, and combined with the magnetically connected toggle and iron block, the continuous export and cleaning of the dirt is achieved, avoiding cleaning in the middle.
The continuous operation of the scraping needle is achieved, reducing operation difficulty and improving operation speed, while simplifying the subsequent cleaning process.
Smart Images

Figure CN119235417B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of scraping needles, in particular to a scraping needle. Background Art
[0002] A scraping needle is a medical tool mainly used to extract or scrape tissue samples during medical surgery. This tool is usually composed of a straw body, a connector and a handle. The front end is a pointed tip with an open sharp bevel, which facilitates insertion of the needle close to the deep surface of the dermis. At the same time, the bevel of the pointed tip is also an effective scraping component, which meets the needs of surgery, is safe and effective to use, and is easy to promote and use.
[0003] However, the existing scraping needle needs to be cleaned after scraping several times during the scraping process to avoid obstruction of the scraping operation caused by the scraped dirt, and continuous operation cannot be achieved, which not only increases the difficulty of operation to a certain extent, but also reduces the operation speed. Summary of the Invention
[0004] The purpose of the present invention is to provide a scraping needle to solve the problem that the needle head of the existing scraping needle needs to be cleaned after scraping several times during the scraping process, so as to avoid the obstruction of the scraping operation caused by the scraped dirt, and the inability to achieve continuous operation, which not only increases the difficulty of operation to a certain extent but also reduces the operation speed.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a scraping needle, comprising:
[0006] a structural body for obtaining body fluid and tissue samples;
[0007] A bearing, located on one side of the bottom of the main structure;
[0008] A toggle assembly is located on one side of the bottom of the structural body and is rotatably connected to the structural body;
[0009] The main body of the structure includes a needle handle, and a plurality of groups of arc-shaped protruding ends are evenly arranged on the end surface of the outer side of the needle handle away from the toggle assembly. A scraper hook is provided on one side of the needle handle close to the toggle assembly, and a hook groove is provided on one side of the top of the scraper hook. A hole is provided at the bottom end of the hook groove, and a guide groove is provided on one side of the bottom of the scraper hook. Magnetic blocks are embedded at both ends of the guide groove. The toggle assembly includes a toggle member, and iron blocks are embedded at both ends of the top of the toggle member. A discharge hole is provided at the bottom end of the guide groove and on one side of the toggle member.
[0010] As a further solution of the present invention: the magnetic block is magnetically connected to the iron block, and the toggle member is detachably connected to the guide groove through the mutual cooperation between the magnetic block and the iron block.
[0011] As a further solution of the present invention, a slot is provided on a side of the top of the toggle member away from the arc-shaped raised end and a side of the bottom of the scraper hook away from the arc-shaped raised end.
[0012] As a further solution of the present invention: the top and the bottom of the bearing are both located inside the slot, and the toggle member is rotatably connected to the scraper hook via the bearing.
[0013] As a further solution of the present invention: the side of the scraper hook away from the needle handle is in an arc-shaped structure.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] 1. Through the provided structural main body and the toggle assembly, when in use, the dirt hooked out by the scraping hook can be introduced into the interior of the guide groove along the hole under the pressure of the continuously scraped dirt. Then, when the guide groove is filled with the dirt inside, it will be discharged along the movable range of the guide groove until it is discharged from the position of the discharge hole, so that the scraping needle can be continuously operated during the operation, and there is no need to clean its scraping hook in the middle. Moreover, as long as the discharge range of the scraped dirt is controlled, the dirt can be guided to the periphery of the operating end, and will not be directly contaminated on the operating end to affect the normal operation of the user, thereby avoiding the obstruction of the scraping operation caused by the scraped dirt, and realizing continuous operation, thereby to a certain extent not only reducing the difficulty of operation but also improving the operation speed;
[0016] 2. Through the provided structural body, bearings and toggle components, when the guide groove needs to be cleaned, the toggle piece can be manually toggled to demagnetize and separate the iron block on the toggle piece from the magnetic block on the scraper hook, and then rotate 180 degrees with the bearing as the base point, so that the dirt inside the guide groove can be cleaned, thereby reducing the difficulty of subsequent cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the present invention;
[0018] Figure 2 It is a schematic diagram of the expanded structure of the present invention;
[0019] Figure 3 For the present invention Figure 1 A magnified view of center.
[0020] In the figure: 1. Structural body; 101. Needle handle; 102. Arc-shaped raised end; 103. Scrape hook; 104. Hole; 105. Guide groove; 106. Magnetic block; 107. Discharge hole; 2. Bearing; 3. Toggle assembly; 301. Toggle member; 302. Iron block. DETAILED DESCRIPTION
[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.
[0022] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected, detachably connected, or connected in one piece; they can be mechanically connected or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following describes an embodiment of the present invention based on its overall structure.
[0023] See also Figures 1 to 3 In an embodiment of the present invention, a scraping needle includes:
[0024] Structural body 1, used for obtaining body fluid and tissue samples;
[0025] A bearing 2 is located on one side of the bottom of the structural body 1;
[0026] The toggle assembly 3 is located on one side of the bottom of the structural body 1 and is rotatably connected to the structural body 1;
[0027] The main body 1 of the structure includes a needle handle 101, and the end surface of the outer side of the needle handle 101 away from the toggle component 3 is evenly provided with multiple groups of arc-shaped protruding ends 102. A scraper hook 103 is provided on one side of the needle handle 101 close to the toggle component 3, and a hook groove is provided on one side of the top of the scraper hook 103. A hole 104 is provided at the bottom end of the hook groove. A guide groove 105 is provided on one side of the bottom of the scraper hook 103, and magnetic blocks 106 are embedded at both ends of the guide groove 105. The toggle component 3 includes a toggle member 301, and iron blocks 302 are embedded at both ends of the top of the toggle member 301. A discharge hole 107 is provided at the bottom end of the guide groove 105 and on one side of the toggle member 301. The arc-shaped protruding end 102 is used to increase the friction resistance of the user's hand-held end, which is convenient for the operator to manually operate and reduces the difficulty of operation.
[0028] Please refer to Figure 1 、 2 And 3, the magnetic block 106 is magnetically connected to the iron block 302, and the toggle member 301 is detachably connected to the guide groove 105 through the mutual cooperation of the magnetic block 106 and the iron block 302, which facilitates the cleaning of dirt inside the guide groove 105, so that the scraping needle can be reused.
[0029] Please refer to Figure 1 、 2 and 3. A slot is provided on the top side of the toggle member 301 away from the arc-shaped raised end 102 and the bottom side of the scraper hook 103 away from the arc-shaped raised end 102. The slot provides sufficient space for the placement of the bearing 2, thereby making the connection between the toggle member 301 and the scraper hook 103 tighter.
[0030] Please refer to Figure 1 、 2 3, the top and bottom of the bearing 2 are both located inside the slot, and the toggle member 301 is rotatably connected to the scraper hook 103 through the bearing 2.
[0031] Please refer to Figure 1 、 2 And 3. The side of the scraping hook 103 away from the needle handle 101 is in an arc-shaped structure, which avoids damage to the patient's skin caused by scraping during use.
[0032] The working principle of the present invention is that when in use, the dirt hooked out by the scraper hook 103 can be introduced into the interior of the guide groove 105 along the hole 104 under the pressure of the continuously scraped dirt, and then the dirt inside the guide groove 105 is continuously introduced. When the guide groove 105 is full, it will be discharged along the movable range of the guide groove until it is discharged from the position of the discharge hole 107, so that the scraping needle can be continuously operated during the operation, and there is no need to clean the scraper hook 103 in the middle. Moreover, as long as the discharge range of the scraped dirt is controlled, the dirt can be guided to the periphery of the operating end, and will not be directly discharged. The contamination at the operating end affects the normal operation of the user, and the obstruction of the scraping operation caused by the dirt scraped is avoided, and continuous operation can be achieved, which not only reduces the difficulty of operation to a certain extent, but also improves the operation speed. When the guide groove 105 needs to be cleaned, the toggle member 301 can be manually toggled to demagnetize and separate the iron block 302 on the toggle member 301 and the magnetic block 106 on the scraping hook 103, and then rotate 180° with the bearing 2 as the base point, so that the dirt inside the guide groove 105 can be cleaned, thereby reducing the difficulty of subsequent cleaning.
[0033] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.
Claims
1. A scraping needle, characterized in that: include: A structural body (1) for obtaining body fluid and tissue samples; A bearing (2) is located on one side of the bottom of the structural body (1); A toggle assembly (3) is located on one side of the bottom of the structural body (1) and is rotatably connected to the structural body (1); The structural body (1) comprises a needle handle (101), and a plurality of groups of arc-shaped protruding ends (102) are evenly arranged on the end surface of the needle handle (101) away from the toggle assembly (3); a scraper hook (103) is arranged on one side of the needle handle (101) close to the toggle assembly (3); a hook groove is arranged on one side of the top of the scraper hook (103); a hole (104) is arranged at the bottom end of the hook groove; a guide groove (105) is arranged on one side of the bottom of the scraper hook (103); magnetic blocks (106) are embedded at both ends of the guide groove (105); the toggle assembly (3) comprises a toggle member (301), and iron blocks (302) are embedded at both ends of the top of the toggle member (301); a discharge hole (107) is arranged at the bottom end of the guide groove (105) and located on one side of the toggle member (301).
2. A scraping needle according to claim 1, characterized in that: The magnetic block (106) is magnetically connected to the iron block (302).
3. A scraping needle according to claim 1, characterized in that: The toggle member (301) is detachably connected to the guide groove (105) through the cooperation between the magnetic block (106) and the iron block (302).
4. A scraping needle according to claim 1, characterized in that: A slot is provided on the top side of the toggle member (301) away from the arc-shaped raised end (102) and a slot is provided on the bottom side of the scraper hook (103) away from the arc-shaped raised end (102).
5. A scraping needle according to claim 3, characterized in that: The top and bottom of the bearing (2) are both located inside the slot, and the shifting member (301) is rotatably connected to the scraping hook (103) via the bearing (2).
6. A scraping needle according to claim 1, characterized in that: The scraping hook (103) has an arc-shaped structure on the side away from the needle handle (101).
Citation Information
Patent Citations
Surgical curette for treating tophus tomentosa
CN213098155U
Curette for gynaecology and obstetrics operation
CN213551974U