A microsurgical dissector for the arachnoid of the experimental monkey brain

Abstract

The present invention discloses a microsurgical instrument for the arachnoid of experimental monkeys, namely, a microsurgical dissector for the arachnoid of experimental monkeys, which is characterized in that: it includes a handheld body part, a telescopic screw rod and a syringe needle. The handheld body part has a cavity inside it, an anti-slip groove on its outer surface, and through holes for the telescopic screw rod at both ends. On the telescopic screw rod, there are a needle connection part at the top of the telescopic screw rod and a screwing handle at the tail end of the telescopic screw rod, which are convenient for connecting a known standard syringe needle and for screwing to adjust the telescopic screw rod. There are also a front fixing nut and a rear fixing nut for the telescopic screw rod that are fixed in cooperation with the telescopic screw rod. The needle body part uses a known standard syringe needle. The advantage is that by adjusting the telescopic screw rod, the working distance of the syringe needle can be telescopically adjusted as needed, which is suitable for the flexible application of microsurgical dissection of the arachnoid of experimental monkeys, will not block the surgical field of view under the microscope, and can be used stably and comfortably.

Description

Technical Field

[0001] The present invention discloses a technology related to the field of microsurgical instruments for the arachnoid of experimental monkeys' brains, and specifically relates to a microsurgical dissector for the arachnoid of experimental monkeys' brains. Background Technique

[0002] Currently, in the field of microsurgical instruments for the arachnoid of experimental monkeys' brains, the following methods are adopted: 1. The length of the syringe needle is fixed and cannot be adjusted telescopically according to the depth of the surgical site. 2. When operating deep in the brain, the front part of the syringe is likely to enter the microscope field of view and block the surgical vision. 3. The syringe is not firmly held and is prone to looseness and slippage after being held for a long time. Summary of the Invention

[0003] The purpose of the present invention is to provide a microsurgical dissector for the arachnoid of experimental monkeys' brains to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A microsurgical dissector for the arachnoid of experimental monkeys' brains, characterized in that: it includes a hand-held body part, a telescopic screw rod, and a syringe needle. The hand-held body part has a hand-held body cavity inside, anti-slip grooves on its outer surface, and telescopic screw rod through holes at both ends. On the telescopic screw rod, there are a needle connection part at the top of the telescopic screw rod and a screwing handle at the tail end of the telescopic screw rod, which are convenient for connecting the syringe needle of the known standard supporting parts and for screwing and adjusting the telescopic screw rod, and a front fixing nut and a rear fixing nut for the telescopic screw rod fixed in cooperation with the telescopic screw rod. The needle body part uses a known standard syringe needle. The beneficial effect is that by screwing and adjusting the telescopic screw rod through the screwing handle at the tail end of the telescopic screw rod, the telescopic length of the telescopic screw rod can be adjusted, driving the change of the working distance of the syringe needle, which can be telescopically adjusted as needed, is suitable for the flexible application of microsurgical dissection of the arachnoid of experimental monkeys' brains, will not block the surgical field of view under the microscope, and can be used stably and comfortably, enabling the syringe needle to adapt to different working distances, meeting the deep brain operation. During the operation, when the screwing handle at the tail end of the telescopic screw rod is rotated clockwise, the syringe needle at the front end is driven to gradually extend, and the front telescopic screw rod of the hand-held body part becomes longer, which can reach the deep part of the brain for work. When the screwing handle at the tail end of the telescopic screw rod is rotated counterclockwise, the front telescopic screw rod of the hand-held body part can be gradually shortened, and then the syringe needle connected to the front end of the hand-held body part is forced to gradually retract, and the working distance of the telescopic screw rod extending becomes shorter, which can work on the shallow part or the surface of the brain.

[0005] Through the above technical solution, the telescopic screw extends with sufficient length, thus ensuring that when the syringe needle is used for deep brain operations, it is extremely unlikely that the telescopic screw in front will block the microscope field of view. Additionally, the telescopic screw is positioned on one side of the dissector body, presenting a bayonet-like angle, further avoiding the surgical field of view under the microscope being blocked by the present invention. The through holes at the front and rear ends of the telescopic screw, the front fixing nut of the telescopic screw, and the rear fixing nut of the telescopic screw play a role in supporting and fixing the telescopic screw, which can prevent the telescopic screw from moving due to the force during operation and ensure the stability of the telescopic screw during operation. The handheld body is set as a cavity in the handheld body, effectively reducing the total weight of the present invention, and cooperating with the anti-slip grooves on the handheld body to facilitate gripping.

[0006] Preferably, the handheld body is provided with a telescopic screw passing through its body, and the surface of the telescopic screw has external threads. The telescopic screw is provided with a tapered syringe needle connection part at the top of the telescopic screw, which is convenient for firmly connecting the syringe needle.

[0007] Through the above technical solution, the purpose is for reliable adjustment and stability of the microsurgical dissection and manipulation of the arachnoid of experimental monkeys' brains.

[0008] Preferably, the surface of the handheld body is provided with anti-slip grooves on the handheld body, a cavity is arranged inside the handheld body, and through holes for the telescopic screw are arranged at both ends and are biased to one side.

[0009] Through the above technical solution, the purpose is for anti-slip and lightness of the handheld body and a practical position for placing the telescopic screw.

[0010] Preferably, a front fixing nut of the telescopic screw and a rear fixing nut of the telescopic screw are screwed onto the telescopic screw. The outer surfaces of them are provided with anti-slip patterns, and a screwing handle is arranged at the tail end of the telescopic screw, and the outer surface of the screwing handle is also provided with anti-slip patterns.

[0011] Through the above technical solution, the purpose is for reliable fixing and anti-slip adjustment of the telescopic screw (2).

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: The structure of the present invention is simple, the needle body can be extended and retracted, the anti-slip patterns are set to make the grip more stable and comfortable, and the cavity in the handheld body is arranged to effectively reduce the weight. It improves the practicality and efficiency during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the present invention.

[0014] Figure 2 It is a schematic diagram of the disassembly of the present invention.

[0015] Figure 3 It is a sectional view taken along the line A - A of the present invention.

[0016] In the figure: 1 - Hand-held body part; 2 - Telescopic screw; 3 - Syringe needle; 4 - Front fixing nut of the telescopic screw; 5 - Rear fixing nut of the telescopic screw; 6 - Rotating handle at the end of the telescopic screw; 7 - Anti-slip groove on the hand-held body part; 8 - Needle connection part at the top of the telescopic screw; 9 - Through hole of the telescopic screw; 10 - Cavity of the hand-held body part. Detailed implementation manner

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0018] Referring to the accompanying drawings, the present invention provides a technical solution: an experimental monkey brain arachnoid microsurgical dissector, which is composed of: a hand-held body part 1, a telescopic screw 2, a syringe needle 3, a front fixing nut 4 of the telescopic screw, a rear fixing nut 5 of the telescopic screw, a rotating handle 6 at the end of the telescopic screw, an anti-slip groove 7 on the hand-held body part, a needle connection part 8 at the top of the telescopic screw, a through hole 9 of the telescopic screw, and a cavity 10 of the hand-held body part. It is characterized in that: it includes a hand-held body part 1, a telescopic screw 2, and a syringe needle 3. The outer surface of the hand-held body part 1 is provided with an anti-slip groove 7 on the hand-held body part. Through holes 9 of the telescopic screw are provided at both ends thereof, and a cavity 10 of the hand-held body part is provided inside. On the telescopic screw 2, there are a needle connection part 8 at the top of the telescopic screw and a rotating handle 6 at the end of the telescopic screw, which are convenient for connecting the syringe needle 3 of the known standard matching and for rotating and adjusting the telescopic screw 2, and the front fixing nut 4 and the rear fixing nut 5 of the telescopic screw fixed in cooperation with the telescopic screw 2. The needle body part uses a known standard syringe needle 3 and adopts corresponding models according to actual needs. Its advantage is that by rotating and adjusting the rotating handle 6 at the end of the telescopic screw, the telescopic length of the telescopic screw 2 can be adjusted, driving the working distance of the syringe needle 3 to change and be telescopic as needed, which is suitable for the flexible application of the experimental monkey brain arachnoid microsurgical dissection operation, will not block the surgical field of view under the microscope, and can be used stably and comfortably, enabling the syringe needle 3 to adapt to different working distances and meeting the deep brain operation requirements. During the operation, when the rotating handle 6 at the end of the telescopic screw is rotated clockwise, the syringe needle 3 at the front end is driven to gradually extend, and the telescopic screw 2 at the front end of the hand-held body part 1 is driven to become longer, and it can reach the deep brain for work. When the rotating handle 6 at the end of the telescopic screw is rotated counterclockwise, the telescopic screw 2 at the front end of the hand-held body part 1 can be gradually shortened, and then the syringe needle 3 at the front end of the hand-held body part 1 is gradually retracted, and the working distance of the telescopic screw 2 extending becomes shorter, and it can work on the shallow brain or the brain surface.

[0019] Through the above technical solution, the telescopic screw 2 extends with sufficient adjustment length, so as to ensure that when the syringe needle 3 performs deep-brain operations, the telescopic screw 2 in front has a minimal possibility of blocking the microscope field of view. In addition, the telescopic screw 2 is located on one side of the dissector body, presenting a bayonet-like angle, further avoiding the surgical field of view under the microscope being blocked by the present invention. The front and rear telescopic screw through holes 9, the front fixing nut 4 of the telescopic screw and the rear fixing nut 5 of the telescopic screw support and fix the telescopic screw 2, which can prevent the telescopic screw 2 from moving due to the force during work and ensure the stability of the telescopic screw 2 during work. The handheld body 1 is provided with a handheld body cavity 10, which effectively reduces the total weight of the present invention, and cooperates with the anti-slip groove 7 of the handheld body to make it convenient to hold.

[0020] Further, the handheld body 1 is provided with a telescopic screw 2 passing through its body, and the surface thereof has external threads. The telescopic screw 2 is provided with a tapered telescopic screw tip needle connecting portion 8, which is convenient for firmly connecting the syringe needle 3.

[0021] Through the above technical solution, the purpose is for reliable anti-slip adjustment and stability of the microsurgical dissection and manipulation of the arachnoid of the experimental monkey brain.

[0022] Further, the surface of the handheld body 1 is provided with an anti-slip groove 7 of the handheld body, the inside is provided with a handheld body cavity 10, and both ends are provided with telescopic screw through holes 9 biased to one side, and both ends are provided with a symmetrical structure.

[0023] Through the above technical solution, the purpose is the anti-slip and lightness of the handheld body 1 and the practical best through hole position biased to one side for placing the telescopic screw 2.

[0024] Further, a front fixing nut 4 of the telescopic screw and a rear fixing nut 5 of the telescopic screw are screwed on the telescopic screw 2, and the outer surface thereof is provided with anti-slip lines. The tail end is provided with a telescopic screw tail end screwing handle 6, and the outer surface thereof is also provided with anti-slip lines.

[0025] Through the above technical solution, the purpose is for reliable fixing and anti-slip adjustment of the telescopic screw 2.

[0026] Compared with the prior art, the beneficial effects of the present invention are: the structure of the present invention is simple, the manipulation needle can be extended and retracted, the anti-slip lines are set to make the grip more stable and comfortable, and the handheld body cavity is set to effectively reduce the weight. It improves the practicality and efficiency during work.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An experimental monkey brain arachnoid microsurgical dissector, characterized in that: It includes a handheld body part (1), a telescopic screw rod (2) and a syringe needle (3). The handheld body part (1) is provided with a telescopic screw rod (2) passing through its body. The telescopic screw rod (2) is provided with a needle connection part (8) at the top of the telescopic screw rod to connect the syringe needle (3), which is used for microdissection of the arachnoid of the experimental monkey's brain. The surface of the handheld body part (1) is provided with anti-slip grooves (7) of the handheld body part, and the inside is provided with a cavity (10) of the handheld body part. Through holes (9) for the telescopic screw rod are provided at both ends. On the telescopic screw rod (2), a front fixing nut (4) and a rear fixing nut (5) of the telescopic screw rod are screwed. A screwing handle (6) is provided at the tail end of the telescopic screw rod for fixing and adjusting the telescopic screw rod (2).

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