Laryngoscope scalpel with replaceable scalpel head

Abstract

The invention discloses a laryngoscope scalpel with a replaceable scalpel head, and particularly relates to the technical field of scalpels, the laryngoscope scalpel comprises a laryngoscope main body, the laryngoscope main body is provided with a regulation and control excision assembly, the regulation and control excision assembly comprises an extension tube arranged at one end of the laryngoscope main body, the top of the laryngoscope main body is provided with two display screens, and one side of the laryngoscope main body is provided with a knob. The cutting blade rotates along the axis point of the connecting position of the cutting blade and the limiting shaft, the function of cutting off diseased and damaged tissue is achieved, the lead screw rotates and enables the sliding block to move on the lead screw for position adjustment, and therefore the displaceable stroke when the lead screw pulls the sliding block to move is adjusted, the opening size of the clamping jaw and the cutting blade is easy to lock, and the machining precision is improved. And sick and bad tissues with different sizes can be conveniently positioned and cut, different cutting blades can be conveniently replaced, the use is convenient, and meanwhile, good practicability is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of surgical knives, and more particularly to a laryngoscope surgical knife with a replaceable knife head. Background Art

[0002] Laryngoscopy, or pharyngeal endoscopy, is a commonly used diagnostic and treatment technique for throat diseases. It can observe the laryngeal cavity through the endoscope, and can be used to perform laryngeal surgery or other laryngeal treatments. Usually, the laryngoscope is inserted into the throat through the mouth, and the throat and mouth are placed on the same line to directly observe the laryngeal structure. Due to the development of fiber laryngoscopes, direct laryngoscopes are rarely used for outpatient examinations and are mostly used in laryngeal cavity surgery and endotracheal intubation in the operating room.

[0003] Among them, the patent with announcement number CN214387601U discloses a scalpel with a slidable needle, including a scalpel handle, a scalpel blade, a puncture needle, a blade pusher, a puncture needle pusher, a blade push hole, a needle column push hole and a needle column. One end of the scalpel handle is provided with a blade push hole and a needle column push hole, a surgical blade is inserted in the blade push hole, and a needle column is inserted in the needle column push hole. A middle push groove and blade push side slide grooves arranged on both sides of the middle push groove are provided on the front side surface of the scalpel handle. A blade pusher is slidably installed on the blade push side slide groove, a blade push mounting member is slidably installed in the middle push groove, and the blade push mounting member is fixedly installed on the blade pusher.

[0004] When this structure is in use, the needle penetrates the skin to facilitate the positioning of the cutting, and at the same time integrates the needle process and blade cutting in traditional surgery into one. However, this structure is not easy to quickly locate and remove the affected area when in use, and it is not easy to adjust the blade cutting range, resulting in inconvenience during surgery. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a laryngoscope surgical knife with a replaceable blade head, aiming to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a laryngoscope surgical knife with a replaceable blade, comprising a laryngoscope body, on which a regulating and resecting assembly is provided.

[0007] The regulating and resectioning assembly includes an extension tube arranged at one end of the laryngoscope body, two display screens are arranged on the top of the laryngoscope body, a knob is arranged on one side of the laryngoscope body, a controller is arranged at one end of the laryngoscope body, and a push rod is arranged at the end of the laryngoscope body away from the extension tube, and one end of the push rod extends to one side of the horizontal plate.

[0008] The internal thread of the extension tube is connected to a cutter head, and a position-adjustable cross plate is arranged inside the cutter head, two angle-adjustable clamping claws are arranged on one side of the cross plate, and two angle-adjustable cutting blades are arranged on the other side of the cross plate, and position-adjustable sliders are arranged on both sides of the cross plate, and both sides of each slider are rotatably connected with a traction rod through an axle pin, one end of a plurality of traction rods respectively extend to the clamping claw and the cutting blade and are rotatably connected to the cutting blade and the clamping claw through an axle pin, a positioning arc groove is provided on the clamping claw, and the cross-sectional shape of the positioning arc groove is an arc, and an offset groove is provided on one side of the inner wall of the positioning arc groove, a limiting shaft is fixedly arranged on one end of the cross plate, and one end of the clamping claw and the cutting blade are extended to the limiting shaft and are rotatably connected to the limiting shaft.

[0009] It can be seen that in the above technical solution, the clamping claw rotates along the axis point of the connection between the clamping claw and the limit shaft through the traction force of the traction rod when the slider is displaced, so that the two positioning arc grooves are close to each other to clamp the tissue of the affected area, which is easy to position the diseased tissue and ensure the accuracy of diseased tissue removal. By pulling the pull rod and the screw rod on one side of the cutting blade to move, the slider on one side of the cutting blade is displaced to pull the corresponding traction rod to deflect, so that the cutting blade rotates along the axis point of the connection between the cutting blade and the limit shaft, thereby realizing the function of removing the diseased tissue. After the original diseased tissue is clamped and positioned by the clamping claw, it can be effectively prevented from falling by being removed by the cutting blade, and it is easy to remove it.

[0010] A baffle is fixedly provided at one end of the cross plate, a slide groove is provided on the slider, a slide rail is slidably connected in the slide groove, the slide rail is fixed on the cross plate, two screw rods are slidably connected to the baffle, and each screw rod extends to the corresponding slider and is threadedly connected to the slider, a positioning spring is sleeved on the screw rod, the positioning spring is fixed between the baffle and the slider, a support ring is slidably connected to the screw rod, the support ring is fixed on the inner wall of the cutter head, an extension cylinder is fixedly provided on one side of the support ring, a pull rod is rotatably connected in the extension cylinder, one end of the pull rod is fixed to one end of the screw rod, and the other end of the pull rod extends to the end of the push rod, and guide frames are slidably connected to both sides of the cross plate, and the guide frames are fixed on the inner wall of the cutter head.

[0011] It can be seen that in the above technical solution, the pull rod is rotated to drive the screw rod to rotate and the slider is displaced on the screw rod for position adjustment, thereby adjusting the movable stroke when the screw rod pulls the slider to displace, making it easy to lock the opening size of the clamping claw and the cutting blade, facilitating the positioning and removal of diseased tissues of different sizes, and by pushing the push rod and then pushing the cross plate along the guide of the guide frame to adjust the position in the cutter head, making it convenient for the cross plate to extend from the cutter head, improving the convenience during removal, and pushing out the cross plate also facilitates the replacement of different cutting blades.

[0012] Technical effects and advantages of the present invention:

[0013] 1. The present invention rotates the knob to extend the blade from the extension tube, and then extends the extension tube and the blade into the patient's throat, so that the clamping claw can be located at the affected part, and the two positioning arc grooves are close to each other to clamp the tissue of the affected part, which is easy to locate the diseased tissue and ensure the accuracy of the removal of the diseased tissue;

[0014] 2. The cutting blade of the present invention rotates along the axis point where the cutting blade is connected to the limiting shaft to achieve the function of cutting off the diseased tissue. After the original diseased tissue is clamped and positioned by the clamping claws, it can be effectively prevented from falling off by the cutting blade and can be easily taken out.

[0015] 3. The present invention drives the screw rod to rotate by rotating the pull rod and causes the slider to move on the screw rod for position adjustment, thereby adjusting the movable stroke when the screw rod pulls the slider to move, making it easy to lock the opening size of the clamping claw and the cutting blade, and facilitating the positioning and removal of diseased tissues of different sizes;

[0016] 4. The present invention pushes the push rod and then pushes the horizontal plate to adjust its position along the guide frame in the cutter head, so that the horizontal plate can be extended from the cutter head to improve the convenience of cutting. At the same time, pushing out the horizontal plate also facilitates the replacement of different cutting blades.

[0017] To sum up, through the corresponding coordinated use of various structures, the two positioning arc grooves are close to each other to clamp the tissue of the affected area, which is easy to position the diseased tissue and ensure the accuracy of diseased tissue resection. The cutting blade rotates along the axis point of the connection between the cutting blade and the limiting shaft to realize the function of resecting the diseased tissue. After the original diseased tissue is clamped and positioned by the clamping claw, it is effectively prevented from falling by being resected by the cutting blade, and it is easy to take it out. The screw rotates and the slider is displaced on the screw to adjust the position, thereby adjusting the movable stroke when the screw pulls the slider to displace, and it is easy to lock the opening size of the clamping claw and the cutting blade, which is convenient for positioning and resecting diseased tissues of different sizes, and also convenient for replacing different cutting blades. It is convenient to use and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention, the following briefly introduces the drawings required to be used in some embodiments of the present invention. Obviously, the drawings described below are only drawings of some embodiments of the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present invention, the actual process of the method, the actual timing of the signal, etc.

[0019] Figure 1It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a top view of the overall structure of the present invention.

[0021] Figure 3 It is a schematic diagram of the internal structure of the cutter head of the present invention.

[0022] Figure 4 It is a stereoscopic diagram of the cutter head, guide frame, pull rod and support ring of the present invention.

[0023] Figure 5 It is a stereoscopic diagram of the cross plate, clamping claw, traction rod, sliding block, positioning spring and baffle of the present invention.

[0024] Figure 6 This is a stereoscopic diagram of the clamping claw, slider, slide rail and limit shaft of the present invention installed on the transverse plate.

[0025] Figure 7 It is a stereoscopic view of the cutting blade, the traction rod and the screw rod of the present invention.

[0026] The accompanying drawings are marked as follows:

[0027] 1. laryngoscope body; 101. display screen; 102. knob; 103. controller; 104. extension tube; 105. push rod;

[0028] 2. Cutter head; 201. Horizontal plate; 202. Clamping claw; 203. Positioning arc groove; 204. Cutting blade; 205. Dislocation groove; 206. Sliding block; 207. Drawbar; 208. Limiting shaft;

[0029] 3. Baffle; 301. Slide groove; 302. Slide rail; 303. Positioning spring; 304. Screw rod; 305. Support ring; 306. Extension tube; 307. Pull rod; 308. Guide frame. DETAILED DESCRIPTION

[0030] 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.

[0031] The terms "first", "second", "third" in the embodiments of the present application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0032] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0033] As attached Figure 1 - Figure 7 The laryngoscope scalpel with a replaceable blade head shown in the figure has a regulating and resectioning assembly arranged on the laryngoscope body 1, and the two positioning arc grooves 203 are close to each other to clamp the tissue of the affected part, which is easy to position the diseased tissue and ensure the accuracy of the diseased tissue resection. The cutting blade 204 rotates along the axis point of the connection between the cutting blade 204 and the limiting shaft 208 to achieve the function of resecting the diseased tissue. After the original diseased tissue is clamped and positioned by the clamping claw 202, it is cut by the cutting blade 204 to effectively avoid it from falling and easy to take it out. The screw rod 304 rotates and causes the slider 206 to move on the screw rod 304 for position adjustment, thereby adjusting the movable stroke when the screw rod 304 pulls the slider 206 to move, and it is easy to lock the opening size of the clamping claw 202 and the cutting blade 204, which is convenient for positioning and resecting diseased tissues of different sizes, and also convenient for replacing different cutting blades 204. It is convenient to use and has good practicality, and the specific structure of the assembly is set as follows;

[0034] The control and cutting assembly includes an extension tube 104 arranged at one end of the laryngoscope body 1, two display screens 101 are arranged on the top of the laryngoscope body 1, a knob 102 is arranged on one side of the laryngoscope body 1, a controller 103 is arranged at one end of the laryngoscope body 1, and a push rod 105 is arranged at the end of the laryngoscope body 1 away from the extension tube 104, and one end of the push rod 105 extends to one side of the horizontal plate 201.

[0035] The internal thread of the extension tube 104 is connected to the cutter head 2, and a position-adjustable horizontal plate 201 is arranged inside the cutter head 2. Two angle-adjustable clamping claws 202 are arranged on one side of the horizontal plate 201, and two angle-adjustable cutting blades 204 are arranged on the other side of the horizontal plate 201. Position-adjustable sliders 206 are arranged on both sides of the horizontal plate 201, and both sides of each slider 206 are rotatably connected to a traction rod 207 through an axle pin. One end of each traction rod 207 extends to The clamping claw 202 and the cutting blade 204 are rotatably connected with the cutting blade 204 and the clamping claw 202 through an axle pin. A positioning arc groove 203 is provided on the clamping claw 202. The cross-sectional shape of the positioning arc groove 203 is an arc. A dislocation groove 205 is provided on one side of the inner wall of the positioning arc groove 203. A limiting shaft 208 is fixedly provided at one end of the cross plate 201. One end of the clamping claw 202 and the cutting blade 204 both extend to the limiting shaft 208 and are rotatably connected to the limiting shaft 208.

[0036] A baffle 3 is fixedly provided at one end of the horizontal plate 201, a slide groove 301 is provided on the slider 206, a slide rail 302 is slidably connected in the slide groove 301, the slide rail 302 is fixed on the horizontal plate 201, two screw rods 304 are slidably connected to the baffle 3, and each screw rod 304 extends to the corresponding slider 206 and is threadedly connected to the slider 206, a positioning spring 303 is sleeved on the screw rod 304, and the positioning spring 303 is fixed between the baffle 3 and the slider 206 A support ring 305 is slidably connected to the screw rod 304, and the support ring 305 is fixed on the inner wall of the cutter head 2. An extension tube 306 is fixedly provided on one side of the support ring 305, and a pull rod 307 is rotatably connected in the extension tube 306. One end of the pull rod 307 is fixed to one end of the screw rod 304, and the other end of the pull rod 307 extends to the end of the push rod 105. Guide frames 308 are slidably connected to both sides of the cross plate 201, and the guide frames 308 are fixed on the inner wall of the cutter head 2.

[0037] According to the above structure, when the laryngoscope scalpel is used to excise the patient's affected area, the knob 102 is rotated to make the blade head 2 extend from the extension tube 104, and then the extension tube 104 and the blade head 2 are inserted into the patient's throat, so that the clamping claw 202 can be located at the affected area, and the pull rod 307 and the screw rod 304 on one side of the clamping claw 202 are displaced, and then the slider 206 on one side of the clamping claw 202 can be displaced on the cross plate 201 along the guide of the slide groove 301 and the slide rail 302, and then the clamping claw 202 is rotated along the axis point of the connection between the clamping claw 202 and the limit shaft 208 through the traction force of the traction rod 207 when the slider 206 is displaced, so that the two positioning arc grooves 203 are close to each other to clamp the tissue of the affected area, which is easy to locate the diseased tissue and ensure the accuracy of the diseased tissue excision.

[0038] At the same time, when performing excision, by pulling the pull rod 307 and the screw rod 304 on one side of the cutting blade 204, the slider 206 on one side of the cutting blade 204 is displaced to pull the corresponding traction rod 207 to deflect, so that the cutting blade 204 rotates along the axis point of the connection between the cutting blade 204 and the limiting shaft 208, thereby realizing the function of excising the diseased tissue. After the original diseased tissue is clamped and positioned by the clamping claw 202, it is then excised by the cutting blade 204 to effectively prevent it from falling and make it easy to take it out.

[0039] And when performing resection, according to needs, the screw rod 304 is driven to rotate by rotating the pull rod 307 and the slider 206 is displaced on the screw rod 304 for position adjustment, thereby adjusting the movable stroke when the screw rod 304 pulls the slider 206 to displace, and it is easy to lock the opening size of the clamping claw 202 and the cutting blade 204, which is convenient for positioning and resection of diseased tissues of different sizes, and by pushing the push rod 105 and then pushing the cross plate 201 along the guide frame 308 to adjust the position in the cutter head 2, it is convenient for the cross plate 201 to extend from the cutter head 2, thereby improving the convenience during resection, and pushing out the cross plate 201 also facilitates the replacement of different cutting blades 204.

[0040] Different from the prior art, the present application discloses a laryngoscope scalpel with a replaceable blade head. The two positioning arc grooves 203 are brought close to each other to clamp the tissue of the affected area, which is easy to locate the diseased tissue and ensure the accuracy of diseased tissue resection. The cutting blade 204 rotates along the axis point of the connection between the cutting blade 204 and the limiting shaft 208 to achieve the function of resecting the diseased tissue. After the original diseased tissue is clamped and positioned by the clamping claw 202, it is then removed by the cutting blade 204 to effectively prevent it from falling and is easy to remove. The screw rod 304 rotates and causes the slider 206 to move on the screw rod 304 for position adjustment, thereby adjusting the movable stroke when the screw rod 304 pulls the slider 206 to move, and it is easy to lock the opening size of the clamping claw 202 and the cutting blade 204, which is convenient for positioning and resecting diseased tissues of different sizes, and also convenient for replacing different cutting blades 204. It is convenient to use and has good practicality.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laryngoscope surgical knife with a replaceable blade head, comprising a laryngoscope body (1), characterized in that: The laryngoscope body (1) is provided with a regulating and cutting assembly; The regulating and cutting assembly comprises an extension tube (104) arranged at one end of the laryngoscope body (1); The extension tube (104) is connected to a cutter head (2) through an internal thread, and a position-adjustable transverse plate (201) is arranged inside the cutter head (2), and two angle-adjustable clamping claws (202) are arranged on one side of the transverse plate (201), and two angle-adjustable cutting blades (204) are arranged on the other side of the transverse plate (201), and position-adjustable sliders (206) are arranged on both sides of the transverse plate (201), and both sides of each slider (206) are rotatably connected to a traction rod (207) via an axle pin, and one end of each traction rod (207) extends to the clamping claw (202) and the cutting blade (204) respectively, and is rotatably connected to the cutting blade (204) and the clamping claw (202) via an axle pin.

2. A laryngoscope surgical knife with a replaceable blade according to claim 1, characterized in that: Two display screens (101) are arranged on the top of the laryngoscope body (1), a knob (102) is arranged on one side of the laryngoscope body (1), a controller (103) is arranged at one end of the laryngoscope body (1), and a push rod (105) is arranged at one end of the laryngoscope body (1) away from the extension tube (104), and one end of the push rod (105) extends to one side of the horizontal plate (201).

3. A laryngoscope surgical knife with a replaceable blade according to claim 1, characterized in that: The clamping claw (202) is provided with a positioning arc groove (203), the cross-section of the positioning arc groove (203) is arc-shaped, and a dislocation groove (205) is provided on one side of the inner wall of the positioning arc groove (203).

4. The laryngoscope surgical knife with a replaceable blade according to claim 1, characterized in that: A limiting shaft (208) is fixedly disposed at one end of the transverse plate (201), and one end of each of the clamping claw (202) and the cutting blade (204) extends to the limiting shaft (208) and is rotatably connected to the limiting shaft (208).

5. The laryngoscope surgical knife with a replaceable blade according to claim 1, characterized in that: A baffle (3) is fixedly provided at one end of the transverse plate (201), a slide groove (301) is provided on the slider (206), a slide rail (302) is slidably connected in the slide groove (301), and the slide rail (302) is fixed on the transverse plate (201).

6. A laryngoscope surgical knife with a replaceable blade according to claim 5, characterized in that: Two screw rods (304) are slidably connected to the baffle (3), and each screw rod (304) extends to a corresponding slider (206) and is threadedly connected to the slider (206).

7. A laryngoscope surgical knife with a replaceable blade according to claim 6, characterized in that: The screw rod (304) is sleeved with a positioning spring (303), and the positioning spring (303) is fixed between the baffle (3) and the slider (206).

8. The laryngoscope surgical knife with a replaceable blade according to claim 6, characterized in that: A support ring (305) is slidably connected to the screw rod (304), and the support ring (305) is fixed on the inner wall of the cutter head (2).

9. A laryngoscope surgical knife with a replaceable blade according to claim 8, characterized in that: An extension tube (306) is fixedly provided on one side of the support ring (305), and a pull rod (307) is rotatably connected inside the extension tube (306). One end of the pull rod (307) is fixed to one end of the screw rod (304), and the other end of the pull rod (307) extends to the end of the push rod (105).

10. The laryngoscope surgical knife with a replaceable blade according to claim 1, characterized in that: Both sides of the transverse plate (201) are slidably connected to guide frames (308), and the guide frames (308) are fixed on the inner wall of the cutter head (2).

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