Multifunctional throat knife

Abstract

The present disclosure relates to a multifunctional laryngeal knife, which comprises: a knife bar, a knife head, a stripping part, a locking part and a handle part; the knife bar comprises a straight rod and an arc rod connected to each other, the arc rod is used to be inserted into the throat, the straight rod is movably connected to the handle part, and the locking part is used to unlock the straight rod and lock it to the handle part; the knife head is used to cut the throat tissue to form an opening to expose the cyst or tumor; the stripping part is used to be inserted into the opening to move and separate the cyst or tumor so that the cyst or tumor is separated from the throat tissue; the knife head and the stripping part can be movably connected to one end of the arc rod away from the straight rod, so that the knife head has a knife head working position and a knife head non-working position that can be switched, and the stripping part has a stripping part working position and a stripping part non-working position that can be switched. The multifunctional laryngeal knife has high integration, low manufacturing cost and can improve the success rate of surgery.

Description

Technical Field

[0001] The present disclosure relates to the technical field of medical devices, and in particular, to a multifunctional laryngeal knife. Background Art

[0002] Throat diseases account for more than one-third of ENT diseases, and a considerable number of throat diseases require surgical treatment. For example, cysts (especially vocal cord cysts) or tumors growing in the throat generally require surgery to completely remove the cysts or tumors from the throat tissue. Cysts and some benign tumors are mostly submucosal spherical tumors with clear boundaries and no adhesion to surrounding tissues.

[0003] In clinical surgery to remove cysts or tumors from the throat, two instruments are generally used: one is a laryngeal knife used to cut the throat tissue outside the cyst or tumor to form an opening, and the other is a dissipator used to insert into the opening and pry the cyst or tumor to remove it from the throat tissue.

[0004] The main structures of the laryngeal knife and the stripper are basically the same, and the difference mainly lies in the blade head and the stripping part of the rod. Designing them as two independent instruments has poor integration and increases the manufacturing cost. In addition, before the operation, doctors and other operators have to adjust the blade head and the stripping part according to the location of the cyst or tumor to meet the needs of the operation, which increases the operating steps of the operation and also increases the risk of misoperation, thereby reducing the success rate of the operation to a certain extent. Summary of the invention

[0005] The purpose of the present disclosure is to provide a multifunctional laryngeal knife, which has high integration, low manufacturing cost and can improve the success rate of surgery.

[0006] In order to achieve the above-mentioned purpose, the present disclosure provides a multifunctional laryngeal knife, which includes: a knife rod, a knife head, a stripping part, a locking part and a handle part; the knife rod includes a straight rod and an arc rod connected to each other, the arc rod is used to be inserted into the throat, the straight rod is movably connected to the handle part, and the locking part is used to unlockably lock the straight rod to the handle part; the knife head is used to cut the throat tissue to form an opening to expose the cyst or tumor; the stripping part is used to be inserted into the opening to pry and separate the cyst or tumor so that the cyst or tumor is detached from the throat tissue; the knife head and the stripping part can both be movably connected to an end of the arc rod away from the straight rod, so that the knife head has a knife head working position and a knife head non-working position that can be switched, and the stripping part has a stripping part working position and a stripping part non-working position that can be switched.

[0007] Optionally, the multifunctional throat knife also includes a first elastic member, a second elastic member, a first electromagnetic plate and a second electromagnetic plate; the first electromagnetic plate and the second electromagnetic plate are both connected to one end of the arc rod away from the straight rod, the first electromagnetic plate is used to adsorb the knife head, and the second electromagnetic plate is used to adsorb the stripping portion; the knife head is rotatably connected to the first electromagnetic plate; when the first electromagnetic plate is energized, the knife head can be in the knife head non-working position adsorbed on the first electromagnetic plate and opposite to the first electromagnetic plate; when the first electromagnetic plate is not energized, the first elastic member can apply an elastic force to the knife head to rotate it, so that the knife head rotates from the knife head non-working position to the knife head working position; the stripping portion is rotatably connected to the second electromagnetic plate; when the second electromagnetic plate is energized, the stripping portion can be in the stripping portion non-working position adsorbed on the second electromagnetic plate and opposite to the second electromagnetic plate; when the second electromagnetic plate is not energized, the second elastic member can apply an elastic force to the stripping portion to rotate it, so that the stripping portion rotates from the stripping portion non-working position to the stripping portion working position.

[0008] Optionally, the first electromagnetic plate and the second electromagnetic plate are arranged opposite to each other and both extend along the extension direction of the arc rod.

[0009] Optionally, the multifunctional laryngeal knife also includes a power supply module, a first wire, a second wire, a first switch and a second switch; the first electromagnetic plate is electrically connected to the power supply module through the first wire, and the first switch is used to turn on or off the electrical connection between the first electromagnetic plate and the power supply module; the second electromagnetic plate is electrically connected to the power supply module through the second wire, and the second switch is used to turn on or off the electrical connection between the second electromagnetic plate and the power supply module.

[0010] Optionally, the handle portion is formed with a receiving groove for inserting the power supply module, and the interior of the knife rod is formed with a hollow cavity for the first wire and the second wire to pass through.

[0011] Optionally, the handle portion is formed with an adjustment hole, and the straight rod is rotatable and movably arranged in the adjustment hole along its axial direction; a connecting port is formed on the inner side wall of the adjustment hole, and the handle portion is also formed with a threaded hole, one end of the threaded hole is connected to the connecting port, and the other end is open; the locking portion is constructed as a threaded rod, and the end of the threaded rod is used to pass through the threaded hole to abut against the side wall of the straight rod arranged in the adjustment hole.

[0012] Optionally, the adjustment hole is configured as a through hole, the length of the through hole along its axial direction is between 18 mm and 30 mm, and the length of the straight rod along its axial direction is between 180 mm and 240 mm.

[0013] Optionally, the threaded rod includes a threaded rod body and a protrusion that are connected to each other, one end of the threaded rod body is used to abut against the side wall of the straight rod arranged in the adjustment hole, and the other end is connected to the protrusion, and the protrusion is arranged outside the threaded hole.

[0014] Optionally, the threaded rod body includes a first section and a second section connected to each other along its axial direction, and the first section is connected to the protrusion, the outer surface of the first section is formed with an external thread, and the outer surface of the second section is configured as a smooth curved surface; the threaded hole includes a first inner wall section and a second inner wall section from an open end to an end connected to the connecting port, the first inner wall section is formed with an internal thread for matching with the external thread of the first section, and the second inner wall section is configured as a smooth curved surface.

[0015] Optionally, the handle portion includes a first handle portion and a second handle portion connected at an angle, the straight rod is movably connected to the first handle portion, and the locking portion is used to unlockably lock the straight rod to the first handle portion; the first handle portion is configured as a block structure, and the second handle portion is configured as a prismatic rod.

[0016] In the above technical solution, first, the knife rod is set to be composed of two parts, a straight rod and a curved rod. During the application of the multifunctional laryngeal knife in throat surgery, since the curved rod is constructed in an arc shape, doctors and other operators can easily insert the curved rod into the throat which is also constructed in an arc shape, thereby meeting the needs of arc-shaped visualized laryngoscope surgery.

[0017] Secondly, the straight rod is movably connected to the handle part, and the locking part is used to unlock the straight rod and lock it to the handle part. The operator can first adjust the position of the straight rod relative to the handle part so that the blade head and the stripping part meet the requirements of the operating position and operating direction (the operating position and operating direction of the blade head and the stripping part during clinical use are the same), and then use the locking part to lock the straight rod to the handle part to prevent the blade rod from moving relative to the handle part during the operation, thereby ensuring the operational stability of the multifunctional laryngeal knife and improving the operating accuracy of the operation; and the operator only needs to adjust the blade rod to make the blade head and the stripping part meet the use requirements of the operating position and operating direction, avoiding adding the operating steps of the operation, reducing the risk of misoperation, and improving the success rate of the operation.

[0018] In addition, the cutter head and the stripping part can be movably connected to the end of the arc rod away from the straight rod, so that the cutter head and the stripping part each have their own working position and non-working position that can be switched. For example, when the cutter head is needed, the cutter head can be switched to the cutter head working position and the stripping part can be switched to the stripping part non-working position; when the stripping part is needed, the cutter head can be switched to the cutter head non-working position and the stripping part can be switched to the stripping part working position. In other words, the operator can choose to use the cutter head or the stripping part according to the use requirements, with high integration, which effectively reduces the manufacturing cost.

[0019] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0021] Figure 1 is a structural schematic diagram of a multifunctional throat knife according to an embodiment of the present disclosure, wherein the knife head is in a knife head working position and the stripping portion is in a stripping portion non-working position;

[0022] Figure 2 is a partial structural schematic diagram of a multifunctional throat knife according to an embodiment of the present disclosure, wherein the stripping portion is in a stripping portion working position and the knife head is in a knife head non-working position;

[0023] Figure 3 It is a schematic structural diagram of a blade head of a multifunctional laryngeal knife according to an embodiment of the present disclosure;

[0024] Figure 4 It is a side structural schematic diagram of a stripping portion of a multifunctional laryngeal knife according to an embodiment of the present disclosure;

[0025] Figure 5 is a structural schematic diagram of a locking portion according to an embodiment of the present disclosure;

[0026] Figure 6 It is a schematic structural diagram of a first handle portion according to an embodiment of the present disclosure.

[0027] Description of Reference Numerals

[0028] 1 Tool bar 11 Straight bar

[0029] 12 arc rod 13 first electromagnetic plate

[0030] 14 Second electromagnetic plate 21 Cutting head

[0031] 211: first end of the blade 212: second end of the blade

[0032] 213 inner edge of blade 22 stripping portion

[0033] 221 first end of the stripping portion 222 second end of the stripping portion

[0034] 223 First working surface 224 Second working surface

[0035] 3 Locking part 31 Threaded rod body

[0036] 311 first paragraph 312 second paragraph

[0037] 32 Bump 4 Handle part

[0038] 40 adjustment hole 41 first handle portion

[0039] 42 Second handle part DETAILED DESCRIPTION

[0040] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0041] In the present disclosure, unless otherwise stated, directional words such as "inside and outside" refer to the inside and outside of a specific structural outline; terms such as "first and second" are used only to distinguish one element from another and do not have order or importance.

[0042] like Figures 1 to 6 As shown, the present disclosure provides a multifunctional laryngeal knife, which includes: a knife rod 1, a knife head 21, a stripping part 22, a locking part 3 and a handle part 4.

[0043] The knife rod 1 includes a straight rod 11 and an arc rod 12 connected to each other. The arc rod 12 is used to be inserted into the throat. The straight rod 11 is movably connected to the handle part 4. The locking part 3 is used to unlock the straight rod 11 to the handle part 4.

[0044] The cutting head 21 is used to cut the throat tissue to form an opening to expose the cyst or tumor; the stripping part 22 is used to be inserted into the opening to move and separate the cyst or tumor so that the cyst or tumor can be detached from the throat tissue; the cutting head 21 and the stripping part 22 can be movably connected to the end of the arc rod 12 away from the straight rod 11, so that the cutting head 21 has a switchable cutting head working position and a cutting head non-working position, and the stripping part 22 has a switchable stripping part working position and a stripping part non-working position.

[0045] In the above technical solution, first, the knife rod 1 is set to be composed of two parts, a straight rod 11 and a curved rod 12. During the application of the multifunctional laryngeal knife in throat surgery, since the curved rod 12 is constructed in an arc shape, doctors and other operators can easily insert the curved rod 12 into the throat which is also constructed in an arc shape, thereby meeting the needs of arc-shaped visualized laryngoscope surgery.

[0046] Secondly, the straight rod 11 is movably connected to the handle portion 4, and the locking portion 3 is used to unlock the straight rod 11 and lock it to the handle portion 4. The operator can first adjust the position of the straight rod 11 relative to the handle portion 4 to make the blade head 21 and the stripping portion 22 meet the requirements of the operating position and operating direction (the operating position and operating direction of the blade head 21 and the stripping portion 22 during clinical use are the same), and then use the locking portion 3 to lock the straight rod 11 on the handle portion 4 to prevent the blade rod 1 from moving relative to the handle portion 4 during the operation, thereby ensuring the operational stability of the multifunctional laryngeal knife and improving the operating accuracy of the operation; and the operator only needs to adjust the blade rod 1 to make the blade head 21 and the stripping portion 22 meet the use requirements of the operating position and operating direction, thereby avoiding adding the operating steps of the operation, reducing the risk of misoperation, and improving the success rate of the operation.

[0047] In addition, the cutter head 21 and the stripping part 22 can be movably connected to the end of the arc rod 12 away from the straight rod 11, so that the cutter head 21 and the stripping part 22 each have their own working position and non-working position that can be switched. For example, when the cutter head 21 is needed, the cutter head 21 can be switched to the cutter head working position, and the stripping part 22 can be switched to the stripping part non-working position; when the stripping part 22 is needed, the cutter head 21 can be switched to the cutter head non-working position, and the stripping part 22 can be switched to the stripping part working position. In other words, the operator can choose to use the cutter head 21 or the stripping part 22 according to the needs of use, with high integration, which effectively reduces the manufacturing cost.

[0048] In an optional embodiment, referring to Figure 1 and Figure 2 As shown, the multifunctional throat knife also includes a first elastic member (not shown), a second elastic member (not shown), a first electromagnetic plate 13 and a second electromagnetic plate 14; the first electromagnetic plate 13 and the second electromagnetic plate 14 are both arranged at one end of the arc rod 12 away from the straight rod 11, the first electromagnetic plate 13 is used to adsorb the knife head 21, and the second electromagnetic plate 14 is used to adsorb the stripping part 22.

[0049] The cutter head 21 is rotatably connected to the first electromagnetic plate 13; when the first electromagnetic plate 13 is energized, the cutter head 21 can be in a cutter head non-working position adsorbed on the first electromagnetic plate 13 and opposite to the first electromagnetic plate 13; when the first electromagnetic plate 13 is not energized, the first elastic member can apply an elastic force to the cutter head 21 to make it rotate, so that the cutter head 21 rotates from the cutter head non-working position to the cutter head working position.

[0050] The stripping part 22 is rotatably connected to the second electromagnetic plate 14; when the second electromagnetic plate 14 is charged, the stripping part 22 can be in a stripping part non-working position adsorbed on the second electromagnetic plate 14 and opposite to the second electromagnetic plate 14; when the second electromagnetic plate 14 is not charged, the second elastic member can apply an elastic force to the stripping part 22 to make it rotate, so that the stripping part 22 rotates from the stripping part non-working position to the stripping part working position.

[0051] In this technical solution, when the electromagnetic plate is charged, under the action of the magnetic adsorption force of the electromagnetic plate, the cutter head 21 and the stripping part 22 can overcome the elastic force of the elastic member and be adsorbed on the electromagnetic plate to be in their respective non-working positions; when the electromagnetic plate is not charged, the cutter head 21 and the stripping part 22 are not affected by the magnetic adsorption force of the electromagnetic plate, and the cutter head 21 and the stripping part 22 are switched from their respective non-working positions to their respective working positions under the action of the elastic force of the elastic member. The driving structure is simple and the driving is stable.

[0052] Optionally, the first elastic member and the second elastic member may be constructed as elastic torsion springs. The elastic coefficient of the elastic torsion spring may be selected according to the requirements, and the present disclosure does not limit this; in addition, the present disclosure does not limit the specific structural types of the first elastic member and the second elastic member.

[0053] In one embodiment, reference Figure 1 and Figure 2 As shown, the first electromagnetic plate 13 and the second electromagnetic plate 14 are arranged opposite to each other and extend along the extension direction of the arc rod 12. It is avoided that the first electromagnetic plate 13 and the second electromagnetic plate 14 are arranged too much in the radial direction of the arc rod 12, thereby affecting the smooth progress of the operation.

[0054] Optionally, the multifunctional laryngeal knife also includes a power supply module (not shown), a first wire (not shown), a second wire (not shown), a first switch (not shown) and a second switch (not shown); the first electromagnetic plate 13 is electrically connected to the power supply module through the first wire, and the first switch is used to turn on or off the electrical connection between the first electromagnetic plate 13 and the power supply module; the second electromagnetic plate 14 is electrically connected to the power supply module through the second wire, and the second switch is used to turn on or off the electrical connection between the second electromagnetic plate 14 and the power supply module.

[0055] In this embodiment, the operator can realize different usage requirements by operating the first switch and the second switch, and the degree of automation is high.

[0056] For example, in the initial state, the first switch and the second switch are both in the on state, that is, the cutter head 21 is in the state of being adsorbed on the first electromagnetic plate 13, and the stripping part 22 is in the state of being adsorbed on the second electromagnetic plate 14; when the cutter head 21 needs to be used, the operator operates the first switch to disconnect the electrical connection between the first electromagnetic plate 13 and the power supply module, then the cutter head 21 is not affected by the adsorption force of the first electromagnetic plate 13, and the cutter head 21 rotates to the cutter head working position under the action of the first elastic member to meet the use requirements. When the stripping part 22 needs to be used, the operator can first operate the first switch to make the first electromagnetic plate 13 and the power supply module conduct and connect, and can rotate the cutter head 21 with the help of an auxiliary tool so that it rotates from the cutter head working position to the cutter head non-working position adsorbed on the first electromagnetic plate 13; then, the operator operates the second switch to disconnect the electrical connection between the second electromagnetic plate 14 and the power supply module, then the stripping part 22 is not affected by the adsorption force of the second electromagnetic plate 14, and the stripping part 22 rotates to the stripping part working position under the action of the second elastic member to meet the use requirements.

[0057] Optionally, the handle 4 is formed with a receiving groove (not shown) for inserting the power supply module, and the inside of the knife bar 1 is formed with a hollow cavity (not shown) for passing the first wire and the second wire. This facilitates the installation and arrangement of the power supply module and the first wire and the second wire, and improves the rationality of the structural layout; in addition, by forming a hollow cavity inside the knife bar 1, the weight of the knife bar 1 can be reduced, which facilitates the lightweight design of the multifunctional throat knife.

[0058] In one embodiment, reference Figure 3 As shown, the cutter head 21 includes a first cutter head end 211 connected to the arc rod 12 and a second cutter head end 212 away from the arc rod 12. The cutter head 21 is in a gradually tapered sickle shape from the first cutter head end 211 to the second cutter head end 212, and the bending direction of the sickle-shaped cutter head 21 is consistent with the bending direction of the arc rod 12.

[0059] In this embodiment, firstly, the cutter head 21 is in a tapered sickle shape from the first end 211 to the second end 212, that is, the cutter head 21 gradually becomes sharper from the first end 211 to the second end 212, thereby facilitating the cutting operation of the cutter head 21 and improving the convenience of cutting; secondly, the bending direction of the sickle-shaped cutter head 21 is consistent with the bending direction of the arc rod 12, which facilitates the manufacturing and processing of the cutter head 21.

[0060] Optionally, refer to Figure 3As shown, the blade of the blade head 21 is arranged at its inner edge 213. When performing clinical cutting, because throat surgery is a remote operation, the cutting depth should be controlled not to be too deep. The general cutting method is to cut from back to front or from bottom to top. Setting the blade at its inner edge 213 makes it easier for the operator to control the cutting force.

[0061] Optionally, refer to Figure 4 As shown, the stripping portion 22 includes a first end 221 of the stripping portion connected to the arc rod 12 and a second end 222 of the stripping portion away from the arc rod 12. The second end 222 of the stripping portion is flat and smooth, and the thickness of the stripping portion 22 gradually increases from the second end 222 of the stripping portion to the first end 221 of the stripping portion.

[0062] In this embodiment, firstly, the first end 221 of the stripping portion 22 connecting the arc-shaped rod 12 is set to be flat and smooth. The flat and smooth second end 222 of the stripping portion will not scratch the cyst or tumor during the insertion into the throat tissue, thereby ensuring the integrity of the cyst or tumor and facilitating its removal as a whole from the throat tissue; secondly, the thickness of the stripping portion 22 gradually increases from the second end 222 of the stripping portion to the first end 221 of the stripping portion. During the insertion of the stripping portion 22 into the throat tissue, the second end 222 of the stripping portion is inserted first until the first end 221 of the stripping portion is inserted. During the insertion, the thickness from the second end 222 of the stripping portion to the first end 221 of the stripping portion gradually increases, thereby facilitating the separation of the cyst or tumor from the throat tissue, thereby facilitating the removal of the cyst or tumor from the throat tissue.

[0063] Optionally, refer to Figure 4 As shown, the stripping part 22 includes a first working surface 223 and a second working surface 224 that are arranged opposite to each other; the first working surface 223 is used to fit with the throat tissue; the second working surface 224 is configured as an arc surface for fitting with the outer surface of the cyst or tumor. By configuring the second working surface 224 of the stripping part 22 that is used to fit with the outer surface of the cyst or tumor as an arc surface, the arc surface can effectively fit with the outer surface of the cyst or tumor that is configured as an arc surface, thereby improving the tightness of the second working surface 224 fitting with the cyst or tumor, making it easier for the stripping part 22 to move the cyst or tumor while also facilitating the support of the cyst and tumor to remove them from the throat tissue.

[0064] In other embodiments, the stripping portion 22 is generally configured as a rectangle, with a dimension between 5 mm and 10 mm along the extension direction of the arc-shaped rod 12 and a dimension between 2.5 mm and 6 mm along the radial direction of the arc-shaped rod 12 .

[0065] Optionally, the length of the arc-shaped rod 12 along its extension direction may be between 50 mm and 90 mm.

[0066] Reference Figure 5 and Figure 6 As shown, the handle portion 4 is formed with an adjustment hole 40, and the straight rod 11 is rotatably and movably arranged in the adjustment hole 40 along its axial direction; a connecting port is formed on the inner side wall of the adjustment hole 40, and the handle portion 4 is also formed with a threaded hole, one end of the threaded hole is connected to the connecting port, and the other end is open; the locking portion 3 is constructed as a threaded rod, and the end of the threaded rod is used to pass through the threaded hole to abut against the side wall of the straight rod 11 arranged in the adjustment hole 40.

[0067] In this embodiment, firstly, the straight rod 11 is rotatable and movably arranged in the adjustment hole 40 along its axial direction. The operator can adjust the operation direction of the cutter head 21 and the stripping part 22 connected to the arc rod 12 by rotating the straight rod 11, and can adjust the length of the actual working part of the knife bar 1 by moving the straight rod 11 along the axial direction, so that the cystic laryngeal tumor located at different throat positions can be operated, thereby improving the practicality of the multifunctional laryngeal knife; secondly, a connecting port is formed on the inner side wall of the adjustment hole 40, and a threaded hole connected to the connecting port is also formed on the handle part 4. The locking part 3 is constructed as a threaded rod, and the end of the threaded rod is penetrated by the threaded hole to abut against the side wall of the straight rod 11 arranged in the adjustment hole 40, so as to realize the locking of the position of the straight rod 11 (that is, the knife bar 1) and ensure the stability of the position of the knife bar 1. The locking part 3 constructed as a threaded rod has a simple structure and is easy to operate. However, the present disclosure does not limit the specific structural type of the locking portion 3 , as long as it can effectively lock the position of the straight rod 11 .

[0068] Optionally, refer to Figure 1 , Figure 5 as well as Figure 6 As shown, the adjustment hole 40 is configured as a through hole, and the length of the through hole along its axial direction is between 18 mm and 30 mm; the length of the straight rod 11 along its axial direction is between 180 mm and 240 mm.

[0069] In this embodiment, by setting the adjustment hole 40 as a through hole, the convenience of adjusting the straight rod 11 can be improved; in addition, the present disclosure does not limit the length of the adjustment hole 40 and the length of the straight rod 11, which can be set according to needs.

[0070] Reference Figure 5 and Figure 6 As shown, the threaded rod includes a threaded rod body 31 and a protrusion 32 which are connected to each other. One end of the threaded rod body 31 is used to abut against the side wall of the straight rod 11 arranged in the adjustment hole 40, and the other end is connected to the protrusion 32, and the protrusion 32 is arranged outside the threaded hole.

[0071] By providing the protrusion 32, the operator can rotate the protrusion 32 to achieve the end of the threaded rod body 31 abutting against the side wall of the straight rod 11 disposed in the adjustment hole 40, thereby improving the convenience of operation. The protrusion 32 can be constructed in any appropriate shape and structure, which is not limited by the present disclosure. In addition, the outer surface of the protrusion 32 can be provided with anti-slip grooves to facilitate the operator's rotation operation.

[0072] In other embodiments, referring to Figure 5 and Figure 6 As shown, the threaded rod body 31 includes a first section 311 and a second section 312 connected to each other along its axial direction, and the first section 311 is connected to the protrusion 32, the outer surface of the first section 311 is formed with an external thread, and the outer surface of the second section 312 is configured as a smooth curved surface; the threaded hole includes a first inner wall section and a second inner wall section from an open end to an end connected to the connecting port, the first inner wall section is formed with an internal thread for matching with the external thread of the first section 311, and the second inner wall section is configured as a smooth curved surface.

[0073] In this embodiment, the first section 311 of the threaded rod body 31 is provided with an external thread, and correspondingly, the first inner wall section of the threaded hole is provided with an internal thread that cooperates with the external thread of the first section 311; under the premise of ensuring the tightness of the threaded rod body 31 and the threaded hole, there is no need to set the entire outer surface of the threaded rod body 31 as an external thread, and there is no need to set the entire inner wall of the threaded hole as an internal thread, which reduces the cost of processing and manufacturing, and can also reduce the difficulty of penetrating the threaded rod body 31 with a threaded hole to abut against the side wall of the straight rod 11 set in the adjustment hole 40.

[0074] Optionally, the length of the threaded rod body 31 is between 73mm-93mm, and the length of the first section 311 is between 10mm-20mm; the size of the protrusion 32 along the extension direction of the threaded rod body 31 is between 7mm-12mm, and the radial size of the protrusion 32 along the threaded rod body 31 is between 7mm-10mm.

[0075] Reference Figure 1 and Figure 2 As shown, the handle portion 4 includes a first handle portion 41 and a second handle portion 42 connected at an angle, the straight rod 11 is movably connected to the first handle portion 41 , and the locking portion 3 is used to unlockably lock the straight rod 11 to the first handle portion 41 .

[0076] In this embodiment, by configuring the handle portion 4 to include a first handle portion 41 and a second handle portion 42 connected at an angle, it is convenient for an operator to hold the handle, thereby improving the stability of the operation.

[0077] Optionally, the first handle portion 41 is configured as a block structure, and the second handle portion 42 is configured as a prismatic rod. By configuring the first handle portion 41 as a block structure, it is convenient to install the straight rod 11 and the locking portion 3; and configuring the second handle portion 42 as a prismatic rod is convenient for the operator to hold and prevent slipping, and can also reduce the overall weight of the multifunctional throat knife, which is convenient for the lightweight design of the multifunctional throat knife.

[0078] In one embodiment, the first handle portion 41 is constructed as a rectangular block structure with a long side dimension between 75mm-95mm and a short side dimension between 18mm-30mm. The second handle portion 42 constructed as a prismatic rod has a length between 60mm-85mm.

[0079] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0080] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0081] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A multifunctional throat knife, characterized in that: The multifunctional throat knife comprises: A knife rod (1), a knife head (21), a stripping portion (22), a locking portion (3) and a handle portion (4); The knife rod (1) comprises a straight rod (11) and an arc-shaped rod (12) connected to each other, the arc-shaped rod (12) is used to be inserted into the throat, the straight rod (11) is movably connected to the handle portion (4), and the locking portion (3) is used to unlockably lock the straight rod (11) to the handle portion (4); The cutting head (21) is used to cut the throat tissue to form an opening to expose the cyst or tumor; the stripping part (22) is used to be inserted into the opening to move and separate the cyst or tumor so that the cyst or tumor is detached from the throat tissue; The blade head (21) and the stripping portion (22) are both movably connected to an end of the arc-shaped rod (12) away from the straight rod (11), so that the blade head (21) has a switchable blade head working position and a blade head non-working position, and the stripping portion (22) has a switchable stripping portion working position and a stripping portion non-working position; The multifunctional throat knife further comprises a first elastic member, a second elastic member, a first electromagnetic plate (13) and a second electromagnetic plate (14); The first electromagnetic plate (13) and the second electromagnetic plate (14) are both connected to an end of the arc rod (12) away from the straight rod (11); the first electromagnetic plate (13) is used to adsorb the knife head (21), and the second electromagnetic plate (14) is used to adsorb the stripping portion (22); The cutter head (21) is rotatably connected to the first electromagnetic plate (13); when the first electromagnetic plate (13) is energized, the cutter head (21) can be in the cutter head non-working position adsorbed on the first electromagnetic plate (13) and opposite to the first electromagnetic plate (13); when the first electromagnetic plate (13) is not energized, the first elastic member can apply an elastic force to the cutter head (21) to cause it to rotate, so that the cutter head (21) rotates from the cutter head non-working position to the cutter head working position; The stripping portion (22) is rotatably connected to the second electromagnetic plate (14); when the second electromagnetic plate (14) is charged, the stripping portion (22) can be in the stripping portion non-working position adsorbed on the second electromagnetic plate (14) and opposite to the second electromagnetic plate (14); when the second electromagnetic plate (14) is not charged, the second elastic member can apply an elastic force to the stripping portion (22) to make it rotate, so that the stripping portion (22) rotates from the stripping portion non-working position to the stripping portion working position; The first electromagnetic plate (13) and the second electromagnetic plate (14) are arranged opposite to each other and both extend along the extension direction of the arc-shaped rod (12); The multifunctional laryngeal knife further includes a power supply module, a first wire, a second wire, a first switch and a second switch; The first electromagnetic plate (13) is electrically connected to the power supply module via the first conductive wire, and the first switch is used to switch on or off the electrical connection between the first electromagnetic plate (13) and the power supply module; The second electromagnetic plate (14) is electrically connected to the power supply module via the second wire, and the second switch is used to switch on or off the electrical connection between the second electromagnetic plate (14) and the power supply module.

2. The multifunctional laryngeal knife according to claim 1, characterized in that: The handle portion (4) is formed with a receiving groove for inserting the power supply module, and the interior of the knife rod (1) is formed with a hollow cavity for the first wire and the second wire to pass through.

3. The multifunctional laryngeal knife according to claim 1 or 2, characterized in that: The handle portion (4) is formed with an adjustment hole (40), and the straight rod (11) is rotatably and movably arranged in the adjustment hole (40) along its axial direction; A communication port is formed on the inner side wall of the adjustment hole (40), and a threaded hole is also formed on the handle portion (4), one end of the threaded hole is connected to the communication port, and the other end is open; The locking portion (3) is configured as a threaded rod, and the end of the threaded rod is used to pass through the threaded hole to abut against the side wall of the straight rod (11) disposed in the adjustment hole (40).

4. The multifunctional laryngeal knife according to claim 3, characterized in that: The adjustment hole (40) is configured as a through hole, the length of which along its axial direction is between 18 mm and 30 mm, and the length of the straight rod (11) along its axial direction is between 180 mm and 240 mm.

5. The multifunctional laryngeal knife according to claim 3, characterized in that: The threaded rod comprises a threaded rod body (31) and a protrusion (32) which are connected to each other, one end of the threaded rod body (31) is used to abut against the side wall of the straight rod (11) arranged in the adjustment hole (40), and the other end is connected to the protrusion (32), and the protrusion (32) is arranged outside the threaded hole.

6. The multifunctional laryngeal knife according to claim 5, characterized in that: The threaded rod body (31) comprises a first section (311) and a second section (312) connected to each other along its axial direction, and the first section (311) is connected to the protrusion (32), an outer surface of the first section (311) is formed with an external thread, and an outer surface of the second section (312) is configured as a smooth curved surface; The threaded hole includes a first inner wall section and a second inner wall section from an open end to an end connected to the connecting port, the first inner wall section is formed with an internal thread for matching with the external thread of the first section (311), and the second inner wall section is configured as a smooth curved surface.

7. The multifunctional laryngeal knife according to claim 1 or 2, characterized in that: The handle portion (4) comprises a first handle portion (41) and a second handle portion (42) connected at an angle, the straight rod (11) is movably connected to the first handle portion (41), and the locking portion (3) is used to unlockably lock the straight rod (11) to the first handle portion (41); The first handle portion (41) is configured as a block-shaped structure, and the second handle portion (42) is configured as a prismatic rod.

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