Radio frequency ablation electrode for infant laryngeal airway microsurgery
By designing a radiofrequency ablation electrode with a telescopic mechanism and a bending electrode needle, the operational challenges in microsurgical procedures for the laryngeal airway of infants and young children have been solved, enabling precise and convenient electrical cutting and mist removal, thus improving surgical outcomes.
Patent Information
- Application Number
- CN202422995470.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing radiofrequency ablation electrodes are difficult to operate under direct vision in microsurgical procedures on the laryngeal airway of infants and young children, which can easily cause accidental damage to surrounding tissues. Smoke can also obstruct vision, and the electrode needle length is not adjustable, making them inconvenient to use.
A radiofrequency ablation electrode was designed, comprising a handle housing, a telescopic mechanism, a bent electrode needle, and a smoke tube. The telescopic mechanism enables precise extension and retraction of the electrode rod, the bent electrode needle facilitates direct visual operation, the smoke tube removes mist, and electrocoagulation and electrocutting switches are provided for easy control.
It achieves precision and reliability in infant and toddler laryngeal airway surgery, reduces tissue damage, eliminates surgical smoke, and is convenient and efficient to operate.
Smart Images
Figure CN223715799U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to radio frequency ablation electrode technical field, in particular to a kind of radio frequency ablation electrode for infant laryngeal airway microsurgery. BACKGROUND
[0002] Ablation electrode product is surgical equipment needed to be used in surgical operation, and main function is cutting, hemostasis, flushing and suction to tissue in operation, and its principle is that high-frequency current passes through knife head to generate heat effect, makes knife head act on tissue to generate scab or burst, to achieve the function of coagulation or cutting.
[0003] In clinical work, ablation electrode is currently widely used in endoscopic minimally invasive surgery, however, when used for infant laryngeal airway microsurgery, since infant laryngeal airway is small, the existing radio frequency ablation electrode knife head is vertical, cannot be operated directly, is not easy to observe, is not easy to cut, is easy to cause injury to surrounding tissue, radio frequency ablation electrode surgery can generate more smoke, block the doctor's vision, inconvenient to observe in surgery, and the length of electrode needle cannot be adjusted, inconvenient to use.
[0004] Therefore, it is urgent to provide a radio frequency ablation electrode for infant laryngeal airway microsurgery to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model solves the technical problem of overcoming the above-mentioned prior art, and provides a radio frequency ablation electrode for infant laryngeal airway microsurgery.
[0006] To solve the above technical problems, one technical scheme of the utility model is provided: a radio frequency ablation electrode for infant laryngeal airway microsurgery, including handle shell, the outer wall of the handle shell is fixedly connected with operating block, the lower edge of the upper inner side cavity of the shell is provided with switch plate, the switch plate is provided with electrocoagulation switch and electrocutting switch, the handle shell and operating block are provided with corresponding perforations at electrocoagulation switch and electrocutting switch, the inside of the handle shell is provided with telescopic mechanism, the telescopic mechanism is fixedly connected with sleeve in the inside, the sleeve is provided with electrode rod and smoke pipe, one end of the electrode rod is connected with electrode needle, the other end is connected with the switch plate through wire welding, the other end of the smoke pipe is fixedly connected with hose, the outer wall of the electrode needle is provided with protective sleeve;The switch plate is connected with outer wire, the other end of the outer wire is fixedly connected with plug.
[0007] The utility model further sets up: the telescopic mechanism includes the sleeve of installation in the handle casing inside, the outer wall of sleeve is equipped with the sliding groove, the outer wall of sleeve is connected with the sliding block of sliding, both sides of sliding block all are fixedly connected with the baffle, the inside fixedly connected with two springs of sliding block, the top fixedly connected with the pressing block of two springs, both sides of pressing block all are fixedly connected with the limit block.
[0008] Through the above technical scheme, when the electrode rod needs to be extended for operation, that is, the electrode rod needs to be pushed out of the handle casing, at this time, the telescopic mechanism is in a fixed and stationary state, by pressing the pressing block to give a certain pressure to the two springs, the pressing block is pressed down, and at the same time, the limit block connected with the pressing block is also pressed down synchronously, at this time, the limit block will leave the corresponding limit hole, and the handle casing no longer limits the telescopic mechanism, at this time, the medical staff only needs to continue to press the pressing block to slide, so that the electrode rod is slowly pushed out of the handle casing, when the sliding block slides to the specified position, at this time, the sliding block is released, and the sliding block will be pushed out under the action of the spring force, at the same time, the limit block is located in the corresponding limit hole, and the handle casing repositions the telescopic mechanism, at this time, the telescopic mechanism and the electrode rod are in a stationary state, which is convenient for the medical staff to operate, when the electrode rod needs to be retracted, reverse operation can be performed to retract the electrode rod into the handle casing, regardless of the movement state of the sliding block, the baffle on both sides of the sliding block can always ensure the sealing property, and ensure that the pollution outside the device enters the inside of the device.
[0009] The utility model further sets up: the outer wall of sliding block is pasted in the inner wall of sliding groove, and the bottom of sliding block is connected with the rear end outer wall of sleeve.
[0010] Through the above technical scheme, the sliding block and the inner wall of the sliding groove are pasted and slid, which provides accurate linear motion guidance, the sliding block is connected with the electrode rod, so that the movement track of the electrode rod is limited on the accurate straight line, so that the electrode rod can accurately reach the set position each time, and the accuracy and reliability of the operation are ensured.
[0011] The utility model further sets up: the inner wall of handle casing is equipped with the limit hole corresponding with the limit block.
[0012] Through the above technical scheme, the limit hole provides a clear and specific matching position for the limit block, when the limit block is clamped into the limit hole, the entire telescopic mechanism can be accurately fixed on the corresponding position, which is convenient for the operator to control the device for operation.
[0013] The utility model further sets up: the outer wall of electrode stem and smoke pipe all is provided with insulating layer.
[0014] The utility model further sets up: the electrode needle head part is the design of bending, and the angle between bending part and whole electrode needle is 120 DEG.
[0015] Through above-mentioned technical scheme, the doctor can direct vision operation, and the field of vision is better and easy to observe, and it is convenient for infant laryngeal airway operation positioning target point, and the bending needle head of electrode needle can hook and pull and electric cutting to tissue during operation, and straight electrode needle cannot carry out hooking and pulling electric cutting operation.
[0016] The utility model further sets up: the needle head of electrode needle is conical, and one end of electrode needle is connected with electrode stem, and the other end of electrode stem is connected with switch board through welding wire and is connected with electric coagulation switch and electric cutting switch.
[0017] Through above-mentioned technical scheme, in electric cutting operation, electrode needle often needs to accurately contact the specific part of the object to be cut, and the conical needle head can easily aim at the target position, and the operator can conveniently control the power supply of electrode needle through operating electric cutting switch at appropriate time, and then control the start and end of cutting action, and the operator can open and close cutting or electric coagulation in time according to actual situation, and the operation is more convenient and efficient.
[0018] The utility model has the advantages that:
[0019] 1. The utility model discloses a telescopic mechanism, which controls the telescopic action by pressing the pressing block. Medical personnel only needs to exert appropriate pressing force to overcome the spring force and move the limiting block, thereby removing the limitation of the relative movement of the sliding block and the sleeve, and then easily pushes or pulls the electrode stem to realize telescoping. Without complex operation steps or additional tools, the utility model is very convenient to use and helps medical personnel to perform surgery better.
[0020] 2. The utility model discloses a telescopic mechanism, which controls the telescopic action by pressing the pressing block. Medical personnel only needs to exert appropriate pressing force to overcome the spring force and move the limiting block, thereby removing the limitation of the relative movement of the sliding block and the sleeve, and then easily pushes or pulls the electrode stem to realize telescoping. Without complex operation steps or additional tools, the utility model is very convenient to use and helps medical personnel to perform surgery better.
[0021] 3. The utility model discloses a telescopic mechanism, which controls the telescopic action by pressing the pressing block. Medical personnel only needs to exert appropriate pressing force to overcome the spring force and move the limiting block, thereby removing the limitation of the relative movement of the sliding block and the sleeve, and then easily pushes or pulls the electrode stem to realize telescoping. Without complex operation steps or additional tools, the utility model is very convenient to use and helps medical personnel to perform surgery better. DRAWINGS
[0022] Figure 1The utility model discloses a perspective view;
[0023] Figure 2 The utility model discloses an electrode rod contraction state structure schematic diagram;
[0024] Figure 3 For Figure 1 The transverse section view of the shell inner lead wire is removed;
[0025] Figure 4 The utility model discloses a telescopic mechanism enlarged schematic diagram;
[0026] Figure 5 It is the cross section schematic diagram of handle shell and operating block;
[0027] Figure 6 For Figure 5 The enlarged schematic diagram of A part in
[0028] Figure 7 The structure schematic diagram of sleeve is shown in the figure;
[0029] Figure 8 The structure schematic diagram of sleeve is shown in the figure.
[0030] In the figure: 1, handle shell; 2, operating block; 3, electrocoagulation switch; 4, electrocutting switch; 5, telescopic mechanism; 501, sleeve; 502, sliding groove; 503, sliding block; 504, baffle; 505, spring; 506, pressing block; 507, limiting block; 6, electrode rod; 7, smoke pipe; 8, hose; 9, electrode needle; 10, protective sleeve; 11, lead; 12, plug; 13, switch board; 14, sleeve; 15, limiting hole; 21, operating block sliding groove. DETAILED DESCRIPTION
[0031] The utility model discloses a perspective view;
[0032] Please refer to Figure 1-8, a radio frequency ablation electrode for infant laryngeal airway microsurgery, comprising a handle shell 1, an operating block 2 is fixedly connected to the outer wall of the handle shell 1, a switch plate 13 is arranged at the lower side of the upper inner cavity of the shell 1, and a coagulation switch 3 and a cutting switch 4 are arranged on the switch plate 13, the handle shell 1 and the operating block 2 are provided with corresponding perforations at the coagulation switch 3 and the cutting switch 4, a telescopic mechanism 5 is arranged in the handle shell 1, a sleeve 14 is fixedly connected in the telescopic mechanism 5, an electrode rod 6 and a smoke pipe 7 are arranged in the sleeve 14, one end of the electrode rod 6 is connected with an electrode needle 9, the other end is connected with the switch plate 13 through wire welding, the other end of the smoke pipe 7 is fixedly connected with a hose 8, and a protective sleeve 10 is arranged on the outer wall of the electrode needle 9; the switch plate 13 is connected with an outer wire 11, and the other end of the outer wire 11 is fixedly connected with a plug 12.
[0033] As shown in Figures 1-8 The telescopic mechanism 5 comprises a sleeve 501 arranged in the handle shell 1, a sliding groove 502 is formed in the outer wall of the sleeve 501, a sliding block 503 is slidably connected to the outer wall of the sleeve 501, the outer wall of the sliding block 503 is slidably connected to the inner wall of the sliding groove 502, and the bottom of the sliding block 503 is connected to the rear end of the sleeve 14; an operating block slot 21 is arranged on the operating block 2, the pressing block 506 can slide along the direction of the operating block slot 21, the sliding block 503 is slidably connected to the inner wall of the sliding groove 502, which provides accurate linear motion guidance for the sliding block 503, the sliding block 503 is connected to the sleeve 14, so that the movement trajectory of the electrode rod 6 is limited to the accurate straight line, so that the electrode rod 6 can accurately reach the set position each time, and the accuracy and reliability of the operation are ensured, the two sides of the sliding block 503 are fixedly connected with baffles 504, two springs 505 are fixedly connected in the sliding block 503, the top of the two springs 505 is fixedly connected with a pressing block 506, the two sides of the pressing block 506 are fixedly connected with limit blocks 507, and a limit hole 15 corresponding to the limit blocks 507 is formed in the inner wall of the handle shell 1, the limit hole 15 provides a clear and specific matching position for the limit blocks 507, when the limit blocks 507 are clamped into the limit hole, the telescopic mechanism 5 can be accurately fixed at the corresponding position, and the operator can better control the device to perform the operation.
[0034] As shown in Figures 1-8As shown, when the electrode rod 6 needs to be extended for operation, that is, when the electrode rod 6 needs to be pushed out of the handle shell 1, at this time the telescopic mechanism 5 is in a fixed and stationary state, by pressing the pressing block 506 to give a certain pressure to the two springs 505, the pressing block 506 is pressed down, at the same time that the pressing block 506 is pressed down, the limiting block 507 connected with the pressing block 506 is also pressed down synchronously, at this time the limiting block 507 will leave the corresponding limiting hole, the handle shell 1 no longer limits the telescopic mechanism 5, at this time the medical staff only need to continue to press the pressing block 506 to slide, so that the electrode rod 6 is slowly pushed out of the handle shell 1, when the sliding block 503 slides to the specified position, at this time the sliding block 503 is released, the sliding block 503 will be pushed out under the action of the spring 505, at the same time that the sliding block 503 moves up, the limiting block 507 is in the corresponding limiting hole, the handle shell 1 repositions the telescopic mechanism 5, at this time the telescopic mechanism 5 and the electrode rod 6 are in a stationary state, which is convenient for medical staff to operate, when the electrode rod 6 needs to be retracted, reverse operation can be used to retract the electrode rod 6 into the handle shell 1, no matter where the sliding block 503 slides in the operation block 2, the baffle 504 on both sides of the sliding block 503 will slide in the operation block 2 and block the sliding slot of the sliding block 503 on the operation block 2, to ensure that the pollution outside the device cannot enter the inside of the device.
[0035] As Figure 1As shown in figure 8, the telescopic mechanism 5 is fixedly connected with a sleeve 14, the outer wall of the electrode rod 6 and the smoke pipe 7 is provided with an insulating layer, the sleeve 14 is internally provided with the smoke pipe 7, the other end of the smoke pipe 7 is fixedly connected with a hose 8, one end of the electrode rod 6 is connected with the switch plate 13 through a wire, the other end of the electrode rod 6 is fixedly connected with an electrode needle 9, the head of the electrode needle 9 is designed to be bent, and the angle between the bent part and the whole electrode needle 9 is 120°, so that the doctor can operate directly during the operation, the field of vision is better and easy to observe, the electrode needle 9 is convenient for positioning the target point of the laryngeal airway operation of the infant, the bent needle head of the electrode needle 9 can hook and pull the tissue and electrically cut during the operation, the straight electrode needle 9 cannot perform the hooking and pulling operation, the needle head of the electrode needle 9 is conical, one end of the electrode needle 9 is connected with the electrode rod 6, the other end of the electrode rod 6 is connected with the switch plate 13 through a wire and connected with the electrocoagulation switch 3 and the electric cutting switch 4, in the electric cutting operation, the electrode needle 9 needs to accurately contact the specific part of the object to be cut, the conical needle head can easily aim at the target position and be inserted, and the operator can conveniently control the power-on of the electrode needle 9 at the appropriate time by operating the electric cutting switch 4, so as to control the start and end of the cutting action, and the operator can open or close the cutting according to the actual situation, the opening or closing principle of the electrocoagulation switch 3 is the same as above, and the operation is more convenient and efficient, the outer wall of the electrode needle 9 is provided with a protective sleeve 10, the other side of the handle shell 1 is provided with an outer wire 11, and the other end of the outer wire 11 is fixedly connected with a plug 12.
[0036] When the medical staff needs to use the device to perform the operation, when the electrode rod 6 needs to be extended to perform the operation, that is, when the electrode rod 6 needs to be pushed out of the handle shell 1, at this time, the telescopic mechanism 5 is in a fixed and stationary state, a certain pressure is given to the two springs 505 by pressing the pressing block 506, so that the pressing block 506 is pressed down, and at the same time that the pressing block 506 is pressed down, the limiting block 507 connected with the pressing block 506 is also pressed down synchronously, at this time, the limiting block 507 will leave the corresponding limiting hole 15, and the handle shell 1 no longer limits the telescopic mechanism 5, at this time, the medical staff only needs to continue to press the pressing block 506 to slide, so that the electrode rod 6 is slowly pushed out of the handle shell 1, when the sliding block 503 slides to the specified position, at this time, the sliding block 503 is released, and the sliding block 503 will be pushed out outward under the elastic force of the spring 505, and at the same time that the sliding block 503 moves upward, the limiting block 507 enters the corresponding limiting hole 15, and the handle shell 1 repositions the telescopic mechanism 5, at this time, the telescopic mechanism 5 and the electrode rod 6 are in a stationary state;
[0037] After the electrode rod 6 is stretched, the hose 8 is connected to the negative pressure pipe of the hospital, the plug 12 is connected to the radio frequency ablation electrode host, the matched negative plate is connected to the host and worn on the patient, and the operation is started. After the electrode needle 9 reaches the specified position, the tissue is cut by pressing the cutting switch 4 or the coagulation switch 3 is started to coagulate blood, and the mist generated in the operation is discharged through the smoke pipe 7 and the hose 8. After the operation is completed, the device is sterilized, and then the electrode rod 6 is recovered into the handle shell 1 for the next use.
[0038] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.
Claims
1. A radiofrequency ablation electrode for microsurgery of the laryngeal airway in infants and young children, comprising a handle housing (1), characterized in that: An operating block (2) is fixedly connected to the outer wall of the handle housing (1). A switch plate (13) is provided on the lower edge of the inner cavity above the housing (1). An electrocoagulation switch (3) and an electric cutting switch (4) are provided on the switch plate (13). The handle housing (1) and the operating block (2) are provided with corresponding through holes at the electrocoagulation switch (3) and electric cutting switch (4). A telescopic mechanism (5) is provided inside the handle housing (1). A sleeve (14) is fixedly connected inside the telescopic mechanism (5). An electrode rod (6) and a smoke tube (7) are installed inside the sleeve (14). One end of the electrode rod (6) is connected to an electrode needle (9), and the other end is connected to the switch plate (13) through a wire. A hose (8) is fixedly connected to the other end of the smoke tube (7). A protective sleeve (10) is provided on the outer wall of the electrode needle (9). An external wire (11) is connected to the switch plate (13). A plug (12) is fixedly connected to the other end of the external wire (11).
2. The radiofrequency ablation electrode for microsurgery of the laryngeal airway in infants and young children according to claim 1, characterized in that: The telescopic mechanism (5) includes a sleeve (501) installed inside the handle housing (1). The outer wall of the sleeve (501) is provided with a sliding groove (502). A sliding block (503) is slidably connected to the outer wall of the sleeve (501). A baffle (504) is fixedly connected to both sides of the sliding block (503). Two springs (505) are fixedly connected inside the sliding block (503). A pressing block (506) is fixedly connected to the top of the two springs (505). A limit block (507) is fixedly connected to both sides of the pressing block (506).
3. The radiofrequency ablation electrode for microsurgery of the laryngeal airway in infants and young children according to claim 2, characterized in that: The outer wall of the sliding block (503) is attached to the inner wall of the sliding groove (502), and the bottom of the sliding block (503) is connected to the outer wall of the rear end of the sleeve (14); the operating block (2) is provided with an operating block slot (21), and the pressing block (506) can slide along the direction of the operating block slot (21).
4. The radiofrequency ablation electrode for microsurgery of the laryngeal airway in infants and young children according to claim 3, characterized in that: The inner wall of the handle housing (1) is provided with a limiting hole (15) corresponding to the limiting block (507).
5. The radiofrequency ablation electrode for microsurgery of the laryngeal airway in infants and young children according to claim 4, characterized in that: The outer walls of the electrode rod (6) and the smoke pipe (7) are both provided with an insulating layer.
6. The radiofrequency ablation electrode for microsurgery of the laryngeal airway in infants and young children according to claim 1, characterized in that: The head of the electrode needle (9) is designed to be bent, and the angle between the bent part and the whole electrode needle (9) is 120°.
7. The radiofrequency ablation electrode for microsurgery of the laryngeal airway in infants and young children according to claim 6, characterized in that: The tip of the electrode needle (9) is conical. The electrode needle (9) is connected to one end of the electrode rod (6). The other end of the electrode rod (6) is connected to the switch plate (13) through a welding wire and is connected to the electrocoagulation switch (3) and the electric cutting switch (4).