Anastomat for nasal septum surgery

Abstract

The application provides an anastomat for nasal septum surgery, comprising a handle, a loading mechanism connected with the handle and comprising a staple cartridge for storing fixing staples, a bottom wall of the staple cartridge being provided with a staple outlet, a staple pushing mechanism comprising an electromagnetic assembly, a magnetic force transmission element and a pushing assembly, the electromagnetic assembly being arranged on the handle and being used for generating a first magnetic field, the magnetic force transmission element being movably connected with the handle, the pushing assembly being arranged in the staple cartridge, an actuator being arranged on the handle and being used for triggering the electromagnetic assembly to generate the first magnetic field, when the electromagnetic assembly generates the first magnetic field, the magnetic force transmission element moves under the drive of the magnetic force and drives the pushing assembly to move in the direction of approaching the staple outlet, so as to push the fixing staples out of the staple cartridge from the staple outlet. The anastomat can provide stable and controllable pushing force and pushing speed for the fixing staples during use.

Description

Technical Field

[0001] This invention belongs to the field of medical device technology, and specifically relates to a stapler for nasal septum surgery. Background Technology

[0002] Current septoplasty for deviated nasal septum mostly involves incising the nasal mucosa, removing excess cartilage at the deviated point, correcting the septum, and then suturing the nasal mucosa back together. To prevent deviation during healing, cotton is usually packed into both nostrils to fix and position the septum. However, this method has some drawbacks, such as difficulty breathing through the nose during healing and the need to remove the cotton and sutures after healing, both of which cause pain for the patient.

[0003] Currently, various staplers for nasal septum surgery have emerged. These staplers use fixation pins to suture and fix the corrected nasal mucosa and nasal septum, eliminating the need for cotton packing, not affecting the patient's normal breathing, and the fixation pins automatically degrade after wound healing, eliminating the need for suture removal and greatly reducing patient discomfort. However, existing staplers for nasal septum surgery also have some problems, such as inconsistent force and speed of pin deployment. Summary of the Invention

[0004] The purpose of this invention is to provide a fixation system for nasal septum surgery, which aims to improve the stability of the ejection force and pushing speed of the fixation pin.

[0005] To achieve the above objectives, the present invention provides a stapler for nasal septum surgery, comprising:

[0006] handle;

[0007] A loading mechanism, connected to the handle, includes a nail magazine for storing fixing nails, the bottom wall of which has a nail outlet;

[0008] A nail-pushing mechanism includes an electromagnetic component, a magnetic force transmission component, and a pushing component; the electromagnetic component is disposed on the handle and is used to generate a first magnetic field; the magnetic force transmission component is movably connected to the handle; the pushing component is disposed within the nail cartridge; and,

[0009] An actuator is disposed on the handle and configured to trigger the electromagnetic assembly to cause the electromagnetic assembly to generate the first magnetic field;

[0010] The stapler is configured such that when the electromagnetic component generates the first magnetic field, the magnetic force transmission element moves under the drive of the magnetic force, and drives the pusher component to move in a direction close to the staple outlet, for pushing the staple out of the staple cartridge from the staple outlet.

[0011] Optionally, the magnetic force transmission element generates a second magnetic field, which is the same as the first magnetic field; the stapler further includes a first elastic element, which is disposed in the staple cartridge and connected to the push assembly;

[0012] The stapler is configured such that when the electromagnetic component generates the first magnetic field, the magnetic force transmission element moves from the proximal end to the distal end under the action of repulsive magnetic force, and the first elastic element stores elastic potential energy under the action of the push component; when the actuator stops triggering the electromagnetic component, the magnetic force transmission element moves from the distal end to the proximal end under the action of the second magnetic field, and the first elastic element releases elastic potential energy to drive the push component to move away from the staple outlet.

[0013] Optionally, the magnetic force transmission component includes a magnetic base and a first pushing part. The magnetic base is movably disposed on the handle and located between the electromagnetic component and the staple cartridge. The magnetic base generates the second magnetic field. The proximal end of the first pushing part is connected to the magnetic base, and the distal end of the first pushing part extends into the staple cartridge and is arranged opposite to the bottom wall. The distal end of the first pushing part forms a first inclined surface, and the distance from the first inclined surface to the bottom wall gradually increases along the direction from the proximal end to the distal end. The pushing component is disposed on the distal side of the first pushing part and includes a second pushing part and a third pushing part. The second pushing part is arranged parallel to the first pushing part, and the proximal end of the second pushing part forms a second inclined surface. The distance from the second inclined surface to the bottom wall gradually increases along the direction from the proximal end to the distal end. The second inclined surface is used to abut against the first inclined surface. The third pushing part is perpendicularly connected to the second pushing part and is located on the side of the second pushing part near the bottom wall. The third pushing part is aligned with the staple outlet.

[0014] When the electromagnetic component does not generate the first magnetic field, the distance from the third pushing part to the nail outlet is greater than or equal to the dimension of the fixed nail in the arrangement direction of the first pushing part and the bottom wall; when the pushing component pushes the fixed nail out of the nail cartridge, the first pushing part is located on the side of the second pushing part away from the bottom wall.

[0015] Optionally, the loading mechanism further includes a nail positioning assembly disposed on the nail magazine and used to drive the fixed nail to move within the nail magazine so that one of the fixed nails is located at the nail outlet.

[0016] Optionally, the pin positioning assembly includes a first magnet and a second magnet. The first magnet is disposed on the pin cartridge and located on the distal side of the pin outlet, with the proximal end of the first magnet aligned with the distal edge of the pin outlet. The second magnet is movably disposed within the pin cartridge and located on the proximal side of the pin outlet, with the magnetic poles of the second magnet facing the first magnet opposite to the magnetic poles of the first magnet facing the second magnet.

[0017] Optionally, the loading mechanism further includes a first crossbeam, the proximal end of which is connected to the handle, and the distal end of which is provided with the staple cartridge.

[0018] Optionally, the stapler further includes a second crossbeam rotatably connected to the handle; the actuator is also used to drive the second crossbeam to rotate in a first direction so that the distal end of the second crossbeam approaches the staple cartridge.

[0019] The anastomosis device is configured such that when the actuator drives the second crossbeam to rotate a predetermined angle along the first direction, the actuator triggers the electromagnetic component.

[0020] Optionally, the actuator is rotatably mounted on the handle, and the actuator is connected to the proximal end of the second crossbeam;

[0021] The stapler is configured such that when the actuator rotates in a second direction under the action of an external force, the actuator drives the second crossbeam to rotate in the first direction, the second direction being opposite to the first direction.

[0022] Optionally, the anastomosis device further includes a second elastic element disposed between the actuator and the handle, the second elastic element being configured to store elastic potential energy when the actuator rotates in the second direction; the second elastic element is also configured to release the elastic potential energy when the external force is removed, and drive the actuator to rotate in the first direction to stop triggering the electromagnetic component, and also drive the second crossbeam to rotate in the second direction.

[0023] Optionally, the stapler further includes a fixation pin for placement within the staple cartridge, and the fixation pin is made of a biodegradable material.

[0024] Compared with the prior art, the fixation system for nasal septum surgery of the present invention has the following advantages:

[0025] The aforementioned stapler for nasal septum surgery includes a handle, a loading mechanism, a staple pushing mechanism, and an actuator. The loading mechanism is connected to the handle and includes a staple cartridge for storing staples, with a staple outlet on the bottom wall of the cartridge. The staple pushing mechanism includes an electromagnetic component, a magnetic force transmission component, and a pushing component. The electromagnetic component is disposed on the handle and is used to generate a first magnetic field. The magnetic force transmission component is movably connected to the handle. The pushing component is disposed within the staple cartridge. The actuator is disposed on the handle and configured to trigger the electromagnetic component to generate the first magnetic field. The stapler is configured such that when the electromagnetic component generates the first magnetic field, the magnetic force transmission component moves under magnetic force, driving the pushing component to move towards the staple outlet, thereby pushing the staples out of the staple cartridge from the staple outlet. In other words, in the technical solution of the present invention, a magnetic field is generated by an electromagnetic component, and the magnetic force is used as the pushing force of the fixing nail. The magnetic field generated by the electromagnetic component is highly controllable, which makes the pushing force and the resulting pushing speed of the fixing nail each time more controllable, which is beneficial to improving the pushing stability of the fixing nail. Attached Figure Description

[0026] The accompanying drawings are provided to better understand the invention and are not intended to unduly limit the scope of the invention. Wherein:

[0027] Figure 1 This is a schematic diagram of the structure of a stapler for nasal septum surgery provided according to an embodiment of the present invention;

[0028] Figure 2 This is an exploded schematic diagram of a stapler for nasal septum surgery according to an embodiment of the present invention;

[0029] Figure 3 This is a partial cross-sectional view of a stapler for nasal septum surgery provided according to an embodiment of the present invention, in which the fixation pins are not pushed out of the staple cartridge;

[0030] Figure 4 This is a partial cross-sectional view of a stapler for nasal septum surgery provided according to an embodiment of the present invention, in which the fixation pins are pushed out of the staple cartridge;

[0031] Figure 5 This is a partial exploded view of a stapler for nasal septum surgery provided according to an embodiment of the present invention;

[0032] Figure 6 This is a schematic diagram of the structure of a stapler for nasal septum surgery according to an embodiment of the present invention. A sub-shell is omitted in the figure, and the stapler is in a first state.

[0033] Figure 7This is a cross-sectional view of a stapler for nasal septum surgery provided according to an embodiment of the present invention. In the figure, the stapler is in a first state.

[0034] Figure 8 This is a cross-sectional view of a stapler for nasal septum surgery provided according to an embodiment of the present invention, in which the stapler is in a second state.

[0035] Figure 9 yes Figure 8 The diagram shows an enlarged view of point A of the stapler used in nasal septum surgery.

[0036] [The annotations in the attached figures are explained below]:

[0037] 1000-Handle, 2000-Loading mechanism, 2100-Pin cartridge, 2110-Pin outlet, 2101-Bottom wall, 2200-First crossbeam, 2300-Pin positioning assembly, 2310-First magnet, 2320-Second magnet, 3000-Pin pushing mechanism, 3100-Electromagnetic assembly, 3200-Magnetic force transmission component, 3210-Magnetic seat, 3220-First pushing part, 3221-First inclined surface, 3300-Pushing assembly, 3310-Second pushing part, 3311-Second inclined surface, 3320-Third pushing part, 4000-Actuator, 5000-Fixing pin, 6000-Second elastic element, 7000-First elastic element, 8000-Second crossbeam. Detailed Implementation

[0038] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in this embodiment are only schematic representations of the basic concept of the present invention. Therefore, the drawings only show components related to the present invention and are not drawn according to the actual number, shape, and size of components in the actual implementation. In the actual implementation, the type, quantity, and proportion of each component can be arbitrarily changed, and the component layout may also be more complex.

[0039] Furthermore, while each embodiment described below possesses one or more technical features, this does not imply that users of the present invention must simultaneously implement all technical features in any embodiment, or can only separately implement some or all technical features in different embodiments. In other words, provided it is feasible, those skilled in the art can, based on the disclosure of the present invention and depending on design specifications or implementation requirements, selectively implement some or all technical features in any embodiment, or selectively implement a combination of some or all technical features in multiple embodiments, thereby increasing the flexibility in implementing the present invention.

[0040] As used herein, the singular forms “a,” “an,” and “the” include plural objects, and the plural form “multiple” includes two or more objects, unless otherwise expressly indicated. As used herein, the term “or” is generally used to include the meaning of “and / or,” unless otherwise expressly indicated, and the terms “installed,” “connected,” and “linked” should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection. Connections can be mechanical or electrical. Connections can be direct or indirect through an intermediate medium, and can be internal communication between two elements or an interaction between two elements. Relational terms such as “first,” “second,” etc., are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations, nor do they indicate or imply relative importance or implicitly specify the number of indicated technical features. It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

[0041] The purpose of this invention is to provide a stapler for nasal septum surgery, which uses fixation pins to suture and fix the corrected nasal mucosa and nasal septum. The stapler has a stable and controllable pushing force and pushing speed, which improves the suturing and fixation effect of the fixation pins.

[0042] The terms “proximal” and “distal” used in this article are used to describe the relative positions and orientations of the various parts and components of the stapler. Although “proximal” and “distal” are not restrictive, “distal” is usually the end of the stapler that first enters the patient’s nasal cavity during normal use, and “proximal” is the end opposite to “distal”, that is, “proximal” is closer to the operator.

[0043] To make the objectives, advantages, and features of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clearly illustrate the objectives of the embodiments of the present invention. The same or similar reference numerals in the drawings represent the same or similar parts.

[0044] Figure 1 This diagram illustrates the structure of a stapler for nasal septum surgery according to an embodiment of the present invention. Figure 2 This is an exploded schematic diagram of the anastomosis device.

[0045] refer to Figure 1 and Figure 2 The stapler includes a handle 1000 and a loading mechanism 2000 (e.g., ...). Figure 3 and Figure 4 As shown), the stapler 1000 includes a staple pushing mechanism 3000 and an actuator 4000. The loading mechanism 2000 is connected to the handle 1000 and includes a staple cartridge 2100 for storing the staples 5000. Optionally, the stapler 1000 also includes the staples 5000. A channel, referred to as a staple outlet 2110, is provided on one side wall of the staple cartridge 2100 for the staples 5000 to exit the cartridge 2100. Figure 3 and Figure 4 (As shown). The pusher mechanism 3000 includes an electromagnetic component 3100, a magnetic force transmission element 3200, and a pusher component 3300. The electromagnetic component 3100 is disposed on the handle 1000 and is used to generate a first magnetic field. The magnetic force transmission element 3200 is movably connected to the handle 1000. The pusher component 3300 is disposed within the staple cartridge 2100. The actuator 4000 is disposed on the handle 1000 and is configured to trigger the electromagnetic component 3100 to generate the first magnetic field. The stapler is configured such that when the actuator 4000 triggers the electromagnetic component 3100 to generate the first magnetic field, the magnetic force transmission element 3200 moves under magnetic force and drives the pusher component 3300 to move in a direction close to the staple outlet 2110, for pushing the staple 5000 out of the staple outlet 2110 from the staple cartridge 2100 (e.g., as shown). Figure 4 (As shown).

[0046] Those skilled in the art will understand that the electromagnetic component 3300 operates based on the principle of electromagnetic induction. That is, the electromagnetic component 3300 generates the first magnetic field under the influence of current. Therefore, by controlling the input voltage, the input current can be controlled, thereby controlling the strength of the first magnetic field. In other words, the electromagnetic component 3300 has strong controllability. Thus, when the magnetic force based on the existence of the first magnetic field is used as the pushing force for pushing the fixing pin 5000, the pushing force has strong controllability, and the pushing speed based on the pushing force also has strong controllability. Therefore, the stapler provided in this embodiment of the invention can effectively control the pushing force and pushing speed of the fixing pin 5000 during application, which is beneficial for maintaining the stability and uniformity of the pushing force and pushing speed.

[0047] The detailed structure of the stapler will be described below. It should be noted that the following description pertains only to preferred embodiments, but these are not essential structures and should not be construed as unduly limiting the invention. For ease of description, the side wall of the staple cartridge 2100 with the staple outlet 2110 will be referred to as the bottom wall 2101 (e.g., ...). Figure 3 and Figure 4 (As shown).

[0048] refer to Figure 2 The handle 1000 is preferably a hollow structure with an inner cavity. In an optional implementation, the handle 1000 is composed of two sub-shells 1100 joined together, and the two sub-shells 1100 can be connected by any suitable method such as snap-fit ​​connection, adhesive bonding, or laser welding. The modular handle 1000 simplifies the assembly of the entire anastomosis device.

[0049] The electromagnetic component 3100 remains relatively stationary with respect to the handle 1000, and preferably, the electromagnetic component 3100 is disposed within the inner cavity of the handle 1000. Similar to existing technology, the electromagnetic component 3100 includes an induction coil, an electromagnet, a power source, and a switch (not shown). The induction coil is wound around the electromagnet. The power source is connected to the induction coil via the switch, and the switch controls the flow of current between the power source and the induction coil. Specifically, when the switch is closed, a closed loop is formed between the induction coil, the power source, and the switch. The power source supplies current to the induction coil, causing the electromagnetic component 3100 to generate the first magnetic field. When the switch is open, a closed loop is no longer formed between the induction coil, the power source, and the switch. The power source stops supplying current to the induction coil, and the electromagnetic component 3100 stops generating the first magnetic field. In other words, the actuator 4000 triggering the electromagnetic component 3100 is essentially the actuator 4000 controlling the switch to close. Accordingly, the statement that the actuator 4000 stops triggering the electromagnetic component 3100 mentioned later means that the actuator 4000 controls the switch to open.

[0050] In an exemplary embodiment, the switch is a resilient switch. Optionally, the switch includes a base, a switch body, and a third resilient element. The base may be disposed within the cavity of the handle 1000 and connected to the handle 1000. The switch body is movably disposed on the base and has two first contacts. The third resilient element is, for example, a spring, which is sleeved on the switch body. The induction coil has two ends, each of which has a second contact. In this case, the actuator 4000 triggering the electromagnetic component 3100 means that the actuator 4000 applies a force to the switch body to drive the switch body to move, causing the two first contacts to contact the two second contacts respectively, while the third resilient element stores elastic potential energy. Furthermore, the actuator 4000 stopping triggering the electromagnetic component 3100 means that the actuator 4000 stops applying force to the switch body to cause the third elastic element to release elastic potential energy and drive the switch body to move in the opposite direction, so that the first contact separates from the second contact.

[0051] Alternatively, please refer to Figure 2 and Figures 6 to 8The actuator 4000 is rotatably connected to the handle 1000 via a pin (not shown in the figure). When the actuator 4000 rotates a certain angle in the second direction, it directly or indirectly applies a force to the switch body to trigger the electromagnetic component 3100. In an optional implementation, the actuator 4000 is a block structure, with a portion disposed within the inner cavity of the handle 1000 and another portion disposed outside the handle 1000. The portion of the actuator 4000 located outside the handle 1000 is used to receive external force, causing the actuator 4000 to rotate in the second direction under the action of the external force. When the actuator 4000 rotates a certain angle in the second direction, it directly applies a force to the switch body.

[0052] Preferably, the anastomosis device further includes a second elastic element 6000, which is disposed between the actuator 4000 and the handle 1000. When the actuator 4000 rotates in the second direction under the action of an external force, the second elastic element 6000 stores elastic potential energy. When the external force is removed, the second elastic element 6000 releases the elastic potential energy and drives the actuator 4000 to rotate in a first direction opposite to the second direction. In this way, the actuator 4000 can move away from the switch body and stop applying force to the switch body, that is, the actuator 4000 stops triggering the electromagnetic component 3100. The second direction and the first direction are either clockwise or counterclockwise. Figure 6 In the directions shown, the second direction is clockwise, and the first direction is counterclockwise. Furthermore, the second elastic element 6000 is, for example, a spring, specifically a torsion spring.

[0053] It should be understood that in other implementations, the actuator may indirectly apply a force to the switch body via another component. For example, the actuator may be connected to a cam, which, during rotation in the second direction, drives the cam to rotate and applies a force to the switch body to trigger the electromagnetic component (not shown in the figure). Furthermore, when the actuator rotates in the first direction, it drives the cam to rotate in the opposite direction, causing the cam to stop applying a force to the switch body to stop triggering the electromagnetic component (not shown in the figure).

[0054] Please refer to Figure 2 and Figure 6At least a portion of the structure of the magnetic force transmission element 3200 is made of magnetic material, causing the magnetic force transmission element 3200 to generate a second magnetic field, the spatial distribution of which is the same as the spatial distribution of the first magnetic field. Thus, when the electromagnetic component 3100 generates the first magnetic field, a repulsive magnetic force is generated between the magnetic force transmission element 3200 and the electromagnetic component 3100.

[0055] Please return to the reference. Figure 1 The loading mechanism 2000 further includes a first crossbeam 2200. The proximal end of the first crossbeam 2200 is connected to the handle 1000, and the distal end of the first crossbeam 2200 is provided with the staple cartridge 2100.

[0056] like Figures 3 to 5 As shown, the stapler also includes a first elastic element 7000, which is disposed within the staple cartridge 2100 and connected to the pushing assembly 3300. When the electromagnetic assembly 3100 generates the first magnetic field, the magnetic force transmission element 3200 moves from proximal to distal end under the action of repulsive magnetic force, driving the pushing assembly 3300 to move towards the staple outlet 2110, while simultaneously causing the first elastic element 7000 to store elastic potential energy. When the actuator 4000 stops triggering the electromagnetic assembly 3100, the electromagnetic assembly 3100 no longer generates the second magnetic field. At this time, due to the presence of the second magnetic field of the magnetic force transmission component 3200, there is an attractive magnetic force between the magnetic force transmission component 3200 and the electromagnet of the electromagnetic component 3100. Since the electromagnetic component 3100 and the handle 1000 remain relatively stationary, the magnetic force transmission component 3200 moves from the distal end to the proximal end under the action of the attractive magnetic force, and causes the first elastic component 7000 to release elastic potential energy, thereby driving the pushing component 3300 to move away from the nail outlet 2110.

[0057] In detail, the magnetic force transmission component 3200 includes a magnetic base 3210 and a first pushing part 3210. The magnetic base 3210 includes a third magnet made of a magnetic material, thus generating the second magnetic field. The magnetic base 3210 is movably disposed on the handle 1000 such that it can move on the handle 1000 in a proximal-to-distal direction or in a distal-to-proximal direction. In practice, the magnetic base 3210 is movably disposed in the cavity of the handle 1000, and the magnetic base 3210 is located between the electromagnetic component 3100 and the staple cartridge 2100. The proximal end of the first pushing part 3220 is connected to the magnetic base 3210, so the first pushing part 3220 can move synchronously with the magnetic base 3210. The distal end of the first pushing part 3220 extends into the nail chamber 2100, and the first pushing part 3220 also contacts the pushing component 3300.

[0058] The first pushing part 3220 is arranged opposite to the bottom wall 2101. A first inclined surface 3221 is formed at the distal end of the first pushing part 3220, and the distance from the first inclined surface 3221 to the bottom wall 2101 gradually increases from the proximal end to the distal end. The pushing assembly 3300 is disposed on the distal side of the first pushing part 3220 and includes a second pushing part 3310 and a second pushing part 3320. The second pushing part 3310 is arranged parallel to the first pushing part 3310, and a second inclined surface 3311 is formed at the proximal end of the second pushing part 3310. The distance from the second inclined surface to the bottom wall 2101 gradually increases from the proximal end to the distal end, and the second inclined surface 3311 is used to contact the first inclined surface 3221. The third pushing part 3320 is perpendicularly connected to the second pushing part 3310 and is located on the side of the second pushing part 3310 near the bottom wall 2101; the third pushing part 3320 is also aligned with the nail outlet 2110. One end of the first elastic element 7000 is connected to the side of the second pushing portion 3310 near the bottom wall 2101. Preferably, the end of the first elastic element 7000 away from the second pushing portion 3310 is flush with the end of the third pushing portion 3320 away from the second pushing portion 3310. In a typical implementation, the first elastic element 7000 is a spring, more specifically a compression spring.

[0059] Those skilled in the art will understand that when the electromagnetic component 3100 does not generate the first magnetic field, the distance between the third pushing part 3320 and the bottom wall 2101 is greater than or equal to the dimension of the fixing nail 5000 in the arrangement direction of the first pushing part 3220 and the bottom wall 2101, so as to allow the fixing nail 5000 to be disposed between the nail outlet 2110 and the third pushing part 3320. Furthermore, as... Figure 4 As shown, when the pushing component 3300 pushes the fixing nail 5000 out of the nail magazine 2100, the first pushing part 3220 is located on the side of the second pushing rod 3310 away from the bottom wall 2101.

[0060] It should be noted that the third pushing part 3320 and the staple cartridge 2100 remain relatively stationary in the proximal to distal direction, so that the third pushing part 3320 is always aligned with the staple outlet 2110. In an optional implementation, the staple outlet 2110 is arranged adjacent to the side wall of the staple cartridge 2100 away from the handle 1000, and the third pushing part 3320 abuts against the side wall of the staple cartridge 2100 away from the handle 1000. Furthermore, the side wall of the staple cartridge 2100 away from the handle 1000 is also provided with a clearance groove 2102 (e.g., for accommodating the distal end of the first pushing part 3220) to accommodate the first pushing part 3220. Figure 3 (as marked).

[0061] Further, please refer to Figure 3 and Figure 4 The loading mechanism 2000 further includes a nail positioning assembly 2300, which is disposed on the nail magazine 2100 and is used to drive the fixed nail 5000 to move within the nail magazine 2100 so that the fixed nail 5000 located at the farthest end can be positioned at the nail outlet 2110.

[0062] In an optional embodiment, the staple positioning assembly 2300 includes a first magnet 2310 and a second magnet 2320. The first magnet 2310 is disposed on the staple cartridge 2100 and located on the distal side of the staple outlet 2310 (i.e., on the side of the staple outlet 2310 away from the handle 1000). The proximal end of the first magnet 2310 (i.e., the end of the first magnet 2310 near the handle 1000) is aligned with the distal edge of the staple outlet 2310 (i.e., the edge of the staple outlet 2310 away from the handle 1000), thus allowing the first magnet 2310 to be disposed on the sidewall of the staple cartridge 2100 away from the handle 1000. The second magnet 2320 is movably disposed within the staple cartridge 2100 and located on the proximal side of the staple outlet 2110. The magnetic pole at the distal end of the second magnet 2320 is opposite to the magnetic pole at the proximal end of the first magnet 2310. For example, if the distal end of the second magnet 2320 is the S pole, then the proximal end of the first magnet 2310 is the N pole, or if the distal end of the second magnet 2310 is the N pole, then the proximal end of the first magnet 2310 is the S pole. In this way, an attractive magnetic force is generated between the first magnet 2310 and the second magnet 2320.

[0063] In practice, multiple fixing pins 5000 are bonded together and arranged in the pin magazine 2100 in a proximal-to-distal (or distal-to-proximal) direction, located between the first magnet 2310 and the second magnet 2320. Thus, the multiple fixing pins 5000 are held by the first magnet 2310 and the second magnet 2320 under the attraction of their magnetic forces, allowing the currently distal fixing pin 5000 to align with the pin outlet 2110.

[0064] Furthermore, the stapler also includes a second crossbeam 8000, which is rotatably connected to the handle 1000 and is used to rotate under the control of the actuator 4000. The second crossbeam 8000, together with the staple cartridge 2100, forms a clamping mechanism to clamp a target object, such as nasal mucosa, and to provide support to the target object. Specifically, the proximal end of the second crossbeam 8000 extends into the cavity of the handle 1000 and is rotatably connected to the handle 1000 via a pin (not shown in the figure). The proximal end of the second crossbeam 8000 is also connected to the actuator 4000. Thus, when the actuator 4000 rotates in the second direction under the action of an external force, based on the lever principle, the actuator 4000 drives the second crossbeam 8000 to rotate in the first direction, causing the distal end of the second crossbeam 8000 to gradually approach the staple cartridge 2100. When the second crossbeam 8000 rotates a predetermined angle along the first direction, the distal end of the second crossbeam 8000 can engage with the staple cartridge 2100 and clamp the target object. Simultaneously, the actuator 4000 applies a force to the switch body to trigger the electromagnetic component 3100. When the external force is removed, causing the actuator 4000 to rotate along the first direction under the elastic potential energy released by the first elastic element 6000, based on the lever principle, the actuator 4000 also drives the second crossbeam 8000 to rotate along the second direction.

[0065] As described above, the stapler has two states, namely as follows: Figure 7 The first state shown and as Figure 8 and such Figure 9 The second state is shown. In this embodiment, the first state refers to the initial state of the stapler, that is, the state when the actuator 4000 does not trigger the electromagnetic component 3100 and all components of the stapler remain stationary. The second state refers to the state when the actuator 4000 triggers the electromagnetic component 3100 and all components remain stationary. In practice, when the stapler is in the first state, the first crossbeam 2300 and the second crossbeam 8000 are parallel to each other.

[0066] The following describes how to use the stapler.

[0067] Referring to existing technology, at an appropriate time during the surgical procedure, and when the stapler is in the first state, the distal end of the first crossbeam 2300 and the staple cartridge 2100 and the distal end of the second crossbeam 8000 are inserted into the nasal cavity.

[0068] The operator then applies an external force to the actuator 4000, causing it to rotate in the second direction and drive the second crossbeam 8000 to rotate in the first direction, and causing the second elastic element 6000 to store elastic potential energy. When the second crossbeam 8000 rotates a predetermined angle and clamps the target object together with the staple cartridge 2100, the actuator 4000 triggers the electromagnetic component 3100, causing the electromagnetic component 3100 to generate the first magnetic field.

[0069] Next, under the repulsive magnetic force generated by the first and second magnetic fields, the magnetic force transmission member 3200 moves from the proximal end to the distal end, thereby pushing the pushing component 3300 to press the farthest fixing nail 5000 along the direction close to the nail outlet 2110, and causing the first elastic member 7000 to store elastic potential energy, until the farthest fixing nail 5000 disengages from the nail outlet 2110 from the nail cartridge 2100 and is driven into the target object. Simultaneously, the first pushing part 3220 of the magnetic force transmission member 3200 is located on the side of the pushing component 3300 away from the bottom wall 2101, and the first pushing part 3220 abuts against the side wall of the nail cartridge 2100 away from the handle 1000. At this point, the stapler switches to the second state.

[0070] Subsequently, the operator stops applying external force to the actuator 4000. The second elastic element 6000 then releases its elastic potential energy, driving the actuator 4000 to rotate in the first direction, which in turn drives the second crossbeam 8000 to rotate in the second direction, returning the second crossbeam 8000 to a position parallel to the first crossbeam 2300. During this process, the actuator 4000 stops applying force to the switch body, and the electromagnetic component 3100 stops generating the first magnetic field. The magnetic force transmission element 3200 then moves from the distal end to the proximal end under the action of the second magnetic field until the magnetic force transmission element 3200 contacts the electromagnetic component 3100. When the end of the first inclined surface 3221 of the first pushing part 3220 near the bottom wall 2101 is aligned with the end of the second inclined surface 3311 of the second pushing part 3310 away from the bottom wall 2101, the first elastic member 7000 begins to release elastic potential energy and drives the pushing assembly 3300 to move away from the nail outlet 2110. When the distance from the third pushing part 3320 and the second elastic member 6000 to the bottom wall 2101 is equal to the dimension of the fixing nail 5000 in the arrangement direction of the first pushing part 3220 and the bottom wall 2101, the second magnet 2320 of the nail positioning assembly 2300 pushes the remaining fixing nails 5000 in the nail magazine 2100 to move from the proximal end to the distal end under the action of the attracted magnetic force, until the current farthest fixing nail 5000 abuts against the first magnet 2310 and is located at the nail outlet 2110. At this point, the stapler is switched to the first state.

[0071] It is worth noting that the fixation pin 5000 can be made of a biodegradable material, such as polylactic acid. This allows the fixation pin 5000 to degrade within the nasal cavity without needing to be removed.

[0072] In summary, the technical solution provided by this invention utilizes an electromagnetic component to provide a first magnetic field, thereby generating a pushing force for the fixing pins. This ensures highly controllable and reliable pushing force, preventing variations in pushing force between different fixing pins due to differences in the force applied by the operator. This improves the stability of the pushing force for multiple fixing pins. Furthermore, by rationally configuring the pin-pushing mechanism and combining it with the first elastic element, the second elastic element, and the pin positioning component, the stapler can continuously and sequentially push multiple fixing pins, offering the advantage of ease of use.

[0073] While the present invention has been disclosed above, it is not limited thereto. Those skilled in the art can make various modifications and variations to the present invention without departing from its spirit and scope. Therefore, if such modifications and variations fall within the scope of the claims and their equivalents, the present invention also intends to include such modifications and variations.

Claims

1. A stapler for nasal septum surgery, characterized in that, include: handle; A loading mechanism, connected to the handle, includes a nail magazine for storing fixing nails, the bottom wall of which has a nail outlet; A staple pushing mechanism includes an electromagnetic component, a magnetic force transmission component, and a pushing component. The electromagnetic component is disposed on the handle and generates a first magnetic field. The magnetic force transmission component includes a magnetic base and a first pushing part. The magnetic base is movably disposed on the handle and located between the electromagnetic component and the staple cartridge. The magnetic base generates a second magnetic field. The proximal end of the first pushing part is connected to the magnetic base, and the distal end of the first pushing part extends into the staple cartridge and is arranged opposite to the bottom wall. The distal end of the first pushing part forms a first inclined surface, and the distance from the first inclined surface to the bottom wall gradually increases along the direction from the proximal end to the distal end. The pushing component is disposed within the staple cartridge. The first pushing part includes a second pushing part and a third pushing part on its distal side. The second pushing part is arranged parallel to the first pushing part, and a second inclined surface is formed at the proximal end of the second pushing part. The distance from the second inclined surface to the bottom wall gradually increases from the proximal end to the distal end. The second inclined surface is used to abut against the first inclined surface. The third pushing part is perpendicularly connected to the second pushing part and is located on the side of the second pushing part near the bottom wall. The third pushing part is aligned with the nail outlet. When the electromagnetic component does not generate the first magnetic field, the distance from the third pushing part to the nail outlet is greater than or equal to the dimension of the fixing nail in the arrangement direction of the first pushing part and the bottom wall. An actuator, disposed on the handle and configured to trigger the electromagnetic assembly to generate the first magnetic field; the stapler is configured such that when the electromagnetic assembly generates the first magnetic field, the magnetic force transmission member moves proximal to distal under the action of repulsive magnetic force, and drives the push assembly to move in a direction close to the staple outlet to push the staple out of the staple cartridge; when the push assembly pushes the staple out of the staple cartridge, the first push portion is located on the side of the second push portion away from the bottom wall.

2. The stapler for nasal septum surgery according to claim 1, characterized in that, The stapler also includes a first elastic element, which is disposed in the staple cartridge and connected to the push assembly; The stapler is configured such that when the electromagnetic component generates the first magnetic field, the first elastic element stores elastic potential energy under the action of the push component; when the actuator stops triggering the electromagnetic component, the magnetic force transmission element moves from the distal end to the proximal end under the action of the second magnetic field, and the first elastic element releases elastic potential energy to drive the push component to move away from the staple outlet.

3. The stapler for nasal septum surgery according to claim 2, characterized in that, The loading mechanism further includes a nail positioning assembly disposed on the nail magazine and used to drive the fixed nail to move within the nail magazine so that the farthest fixed nail is located at the nail outlet.

4. The stapler for nasal septum surgery according to claim 3, characterized in that, The pin positioning assembly includes a first magnet and a second magnet. The first magnet is disposed on the pin cartridge and located on the distal side of the pin outlet. The proximal end of the first magnet is aligned with the distal edge of the pin outlet. The second magnet is movably disposed within the nail cartridge and located on the proximal side of the nail outlet, with the magnetic poles of the second magnet facing the first magnet being opposite to those of the first magnet facing the second magnet.

5. The stapler for nasal septum surgery according to claim 1, characterized in that, The loading mechanism further includes a first crossbeam, the proximal end of which is connected to the handle, and the distal end of which is provided with the staple cartridge.

6. The stapler for nasal septum surgery according to claim 5, characterized in that, The stapler also includes a second crossbeam rotatably connected to the handle; the actuator is also used to drive the second crossbeam to rotate in a first direction so that the distal end of the second crossbeam approaches the staple cartridge. The anastomosis device is configured such that when the actuator drives the second crossbeam to rotate a predetermined angle along the first direction, the actuator triggers the electromagnetic component.

7. The stapler for nasal septum surgery according to claim 6, characterized in that, The actuator is rotatably mounted on the handle and is connected to the proximal end of the second crossbeam; The stapler is configured such that when the actuator rotates in a second direction under the action of an external force, the actuator drives the second crossbeam to rotate in the first direction, the second direction being opposite to the first direction.

8. The stapler for nasal septum surgery according to claim 7, characterized in that, The anastomosis device further includes a second elastic element disposed between the actuator and the handle. The second elastic element is configured to store elastic potential energy when the actuator rotates in the second direction. The second elastic element is also configured to release the elastic potential energy when the external force is removed, and to drive the actuator to rotate in the first direction to stop triggering the electromagnetic component, and to drive the second crossbeam to rotate in the second direction.

9. The stapler for nasal septum surgery according to claim 1, characterized in that, The stapler also includes a fixation pin, which is used to be placed in the staple cartridge, and the fixation pin is made of a biodegradable material.

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