TWM593236U - Surgical stapler assembly and surgical stapler module using the same - Google Patents

Abstract

The present disclosure provides a surgical stapler assembly. The surgical stapler assembly comprises a cartridge module and a shooting module. The cartridge module includes a cartridge holder and a staple presser. The cartridge holder has a horizontal plane for receiving at least one staple, and has a shooting port. The staple presser is disposed in the cartridge holder for pushing the staple towards the shooting port. The shooting module is engaged with the cartridge module for ejecting the staple from the cartridge holder through the shooting port. The shooting module includes a shooting plate, a lever, and a lever spring. The shooting plate is movably disposed on the cartridge holder. The lever is engaged with the shooting plate for moving the shooting plate between a first position and a second position.

Description

Surgical stapler assembly and surgical stapler module using the same

This creation relates to a surgical stapler assembly, in particular to a surgical stapler assembly with an effective injection mechanism and a surgical stapler module using the surgical stapler assembly.

Surgical skin or fascia staplers are widely used in the medical industry. Their function is to reconnect the skin or fascia of the ruptured site until the patient's ruptured site heals naturally. For many years, surgeons have used surgical staplers more often than thread sutures to treat incisions or wounds on patients' skin. The surgical stapler mainly includes a nail box accommodating a nail needle, a launching module and a pair of firing launching modules to provide a mechanical force on the gripping device of the nail needle. During the operation, the launching module ejects the nail needle from the nail box, so that the end of the nail needle passes through the skin, thereby forming a series of sutured nail needles on the skin. Improper operation of the surgical stapler (for example, when the nail is not fired) can lead to time-consuming surgical procedures and prolong the patient's anesthesia time. When the holding device is not fully held, the nail may not be fired or the speed of the fire is insufficient, so that the skin cannot be effectively punctured. At this time, it is necessary to remove these nails that did not successfully shoot or puncture the skin to continue the suturing operation.

Therefore, it is necessary to provide a surgical stapler assembly that solves the above problems and a surgical stapler module using the surgical stapler assembly.

In view of the above, an object of the present creation is to provide a surgical stapler assembly with an effective injection mechanism and a surgical stapler module using the surgical stapler assembly to prevent improper operation of the surgical stapler.

To achieve the above object, the present invention provides a surgical stapler assembly, the surgical stapler assembly includes a staple cartridge module and a launch module. The nail box module includes a support member and a pressing member. The support member includes a horizontal plane and an ejection port, and the horizontal plane is used for accommodating at least one nail. The pushing member is placed in the supporting member, and is used to push the nail needle toward the injection port. The firing module is pivotally connected to the nail box module to shoot the nail pin from the firing port, the firing module includes a firing board, a control lever and a lever spring, the firing board Placed on the support, the control rod is coupled to the launch plate, and drives the launch plate to move between a first position and a second position, the control rod is rotatably placed on the The support member; the control rod spring is connected to the control rod and the support member.

To achieve the above object, the present invention also provides a surgical stapler assembly, the surgical stapler assembly includes a staple cartridge module, a launch module and an actuating handle. The nail box module includes a support member and a pressing member. The support member includes a horizontal plane and an ejection port, and the horizontal plane is used for accommodating at least one nail. The pushing member is placed in the supporting member, and the pushing member pushes the nail to the injection port. The launch module is pivotally connected to the nail box module to shoot the nail needle from the shooting port. The launch module includes a launch board, a control lever and a control lever spring. The launch plate is placed on the support. The control rod is pivotally connected to the launch plate and drives the launch plate to move between a first position and a second position. The control rod is rotatably placed on the support member. The control rod spring is connected to the control rod and the support. The actuation handle is connected to the support and is selectively pivotally connected to the control lever.

To achieve the above purpose, the present invention also provides a surgical stapler module, the surgical stapler module includes an actuating handle and a surgical stapler assembly. The actuation handle has an actuator. The surgical stapler assembly includes a launch module and a control rod. The control lever has a first arm and a second arm. The first arm is pivotally connected to the actuator, and the second arm is pivotally connected to the launch module.

As described above, the surgical stapler assembly provided by the present embodiment and the surgical stapler module using the surgical stapler assembly, the surgical stapler module includes a control rod connected to a launch plate, when the control rod When rotated by a predetermined angle by the actuator, the nail needle can be ejected from the injection port of the surgical stapler assembly. Therefore, the surgical stapler assembly provided by the present embodiment and the surgical stapler module using the surgical stapler assembly have an effective injection mechanism, which can prevent improper operation of the surgical stapler.

The technical solutions in this creative embodiment will be described clearly and completely in combination with the drawings in this creative embodiment. Obviously, the described embodiments are only a part of the creative embodiments, but not all of them. Based on the embodiments in this creation, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of this creation.

It should be noted that when an element is referred to as being “mounted on” another element, it may be directly on another element or there may also be a centered element. When an element is considered to be "disposed" on another element, it may be directly arranged on another element or there may be a center element at the same time. The singular form used in this article does not exclude the corresponding plural form unless the article explicitly excludes the plural form. As used herein, the terms "including", "having", etc., only indicate the presence of specific features, regions, steps, operations, elements, and/or components, but do not exclude other features, regions, steps, operations, elements, and/or steps. exist.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the creation. The terminology used in the description of this creation herein is only for the purpose of describing specific embodiments, and is not intended to limit this creation. The terms "or/and" and "at least one" as used herein include any and all combinations of one or more related listed items. The first, second, third, or similar expressions added before elements, components, regions, and/or fragments in this article are only used to associate one element, component, region, and/or fragment with another element, component , Regions and/or fragments to distinguish, the expression of the first element, component, region and/or fragment can also be replaced with, for example, the second element, component, region and/or fragment or similar expression.

This creative embodiment is described by referring to FIGS. 1A-7, but the elements shown in FIGS. 1A-7 are not drawn to scale, and the same or similar elements are marked with the same reference numerals.

Please refer to FIGS. 1A, 1B and 1C, which shows a surgical stapler 10 in an embodiment of the present invention. The surgical stapler 10 accommodates at least one nail for stitching wounds. The surgical stapler 10 includes a surgical stapler assembly 100, an actuating handle 300, and a grip housing 200. The at least one staple 1101 is housed in the surgical stapler assembly 100, the actuation handle 300 is connected to the surgical stapler assembly 100, and the surgical stapler assembly 100 is placed in the grip housing In 200, the grip housing 200 and the actuation handle 300 constitute a pair of grip devices. When a grip force is applied to the grip housing 200 and the actuation handle 300, the staple 1101 can be caused to be ejected from the surgical stapler assembly 100. In FIG. 1A, the surgical stapler 10 is in an initial state, and no grip force is applied to the grip housing 200 and the actuation handle 300 at this time. In FIG. 1B, the surgical stapler 10 is in the firing state, and the grip force is applied to the grip housing 200 and the actuating handle 300 at this time, so that the staple 1101 is ejected from the surgical stapler assembly 100 . FIG. 1C is an exploded view of the surgical stapler 10 shown in FIG. 1A in an initial state.

Please refer to FIGS. 2A-2C, which are an exploded view, an enlarged view, and a cross-sectional view of the surgical stapler assembly 100, respectively. As shown in FIGS. 2A-2C, the surgical stapler assembly 100 includes a staple cartridge module 110 and a launch module 120. The nail box module 110 includes a supporting member 111 and a pressing member 112. The support member 111 is provided with a horizontal plane H-H for accommodating a plurality of nail pins, and the support member 111 further includes an injection port 111a for ejecting the nail pins. The pushing member 112 is disposed in the supporting member 111, and the pushing member 112 pushes the nail 1101 to the injection port 111a. The launch module 120 is pivotally connected to the staple cartridge module 110 to eject the nail pin 1101 from the ejection port 111a of the staple cartridge module 110. The launch module 120 includes a launch board 122, a control lever 124 and a control lever spring 125. The launch board 122 is movably placed in the support 111, the control lever 124 is pivotally connected to the launch board 122, the control lever 124 links the launch board 122, so that the launch board 122 is in a first position It moves back and forth between a position and a second position. The lever spring 125 is simultaneously connected to the lever 124 and the support 111. The control lever 124 is rotatably placed in the support 111. When the angle θ between the control lever 124 and the horizontal plane HH of the support 111 reaches a preset value, the control lever 124 pushes the launch plate 122 To the second position, the control rod spring 125 is caused to generate a rebound force, which is applied to the control rod 124. The rebound force causes the control rod 124 to push the launch plate 122 toward the first position, thereby causing the launch The plate 122 provides a mechanical impulse to the nail 1101, so that the nail 1101 is ejected from the ejection port 111a.

The nail box module 110 further includes a spring 113 connected to the pushing member 112 to push the nail pin 1101 toward the injection port 111a. The spring 113 has two ends, one of which is connected to the pressing member 112 and the other end is connected to the supporting member 111. The nail box module 110 further includes a bottom plate 114. The nail pins 1101 are arranged on the bottom plate 114 along the longitudinal axis of the bottom plate 114. The launch module 120 further includes a support plate 121 and a stop plate 123. The support plate 121 is placed on the launch plate 122, and the stop plate 123 is pivotally connected to the launch plate 122. When the angle θ between the control lever 124 and the horizontal plane H-H of the support 111 does not reach a preset value, the support plate 121 prevents the nail 1101 from being ejected. The stop plate 123 provides upward thrust to the supporting plate 121.

As shown in FIGS. 2A-2C, the control lever 124 includes a first arm portion 124a, a second arm portion 124b, and a shaft portion 124c. The lever spring 125 has two ends, one end of which is connected to the support 111 and the other end is connected to the second arm 124b. Through the shaft portion 124c, the control lever 124 is rotatably provided on the support member 111. The angle θ between the control lever 124 and the horizontal plane H-H of the support 111 refers to the angle between the first arm 124 a and the horizontal plane H-H of the support 111.

3A-3E are various views of the support plate 121, the launch plate 122, and the stop plate 123. The launch plate 122 includes two launch teeth 122a, a groove 122b, a locking structure 122c and an L-shaped structure 122d. The firing tooth portion 122a is used for firing the nail pin 1101, the groove portion 122b is formed between the two firing tooth portions 122a, the locking structure 122c is pivotally connected to the supporting plate 121, the L-shaped structure 122d and the stopper The baffle 123 is pivotally connected. The supporting plate 121 includes a supporting structure 121a, a holding hole 121b and a sliding structure 121c. In one embodiment, the sliding structure 121c is an elastic plate. One end of the sliding structure 121c is elastically bent upward, and the other end is fixed on the support plate 121. The holding hole 121b is disposed on the sliding structure 121c. The locking structure 122c is a protrusion. The protrusion corresponds to the holding hole 121b and is in contact with the sliding structure 121c. The supporting structure 121a is disposed above the emitting tooth portion 122a. When the angle θ between the control lever 124 and the horizontal plane HH of the supporting member 111 does not reach a preset value, the supporting structure 121a has to prevent the nail The needle 1101 is ejected. When the surgical stapler 10 is in the initial state, the launch plate 122 is in the first position, and the locking structure 122c is placed in the holding hole 121b. When the surgical stapler 10 is in a transition state, the launch plate 122 moves from the first position to the second position, the locking structure 122c moves out of the holding hole 121b, and moves along the sliding structure 121c slide. The stop plate 123 includes two tooth structures 123a, a push-up structure 123b and a stop hole 123c. The tooth structure 123a is placed under the two emitting tooth portions 122a. In one embodiment, the push-up structure 123b is an elastic plate, and one end of the elastic plate is elastically bent upward to contact the support structure 121a through the groove portion 122b, thereby providing the support structure 121a with an upward push force. The L-shaped structure 122d is placed in the stop hole 123c. 3B-3E are various views of the surgical stapler 10 in an initial state. The transitional state and other states of the surgical stapler 10 will be further described below.

Please refer to FIGS. 4A and 4B, which are respectively a perspective schematic view and a cross-sectional view of the actuating handle 300 of the surgical stapler 10. Please refer to FIGS. 5A and 5B, which are respectively a perspective schematic view and a cross-sectional view of the surgical stapler 10, wherein FIGS. 5A and 5B show between the surgical stapler assembly 100 and the actuating handle 300. Connection. The actuation handle 300 is connected to the surgical stapler assembly 100 to selectively pivot with the control lever 124. When a grip force is applied to the grip housing 200 and the actuation handle 300, the actuation handle 300 is pivotally connected to the control lever 124 and rotates the control lever 124, so that the control lever 124 and all The angle θ between the horizontal planes HH of the supporting member 111 reaches a preset value. The actuation handle 300 includes a handle body 310 and an actuator 320. The handle body 310 has a handle shaft 330 through which the actuating handle 300 and the surgical stapler assembly 100 are rotatably pivoted. The actuator 320 is selectively pivotally connected to the first arm portion 124a to rotate the control lever 124. When the handle body 310 uses the handle shaft 330 as a rotation axis and rotates relative to the surgical stapler assembly 100, the actuator 320 pushes the control rod 124 within the surgical stapler assembly 100 Turn. When the angle θ between the control lever 124 and the horizontal surface HH of the support 111 reaches a preset value, the control lever 124 disengages from the actuator 320, so that the control lever spring 125 provides a rebound force to the control The rod 124 pushes the launching plate 122 to move toward the first position. The actuating handle 300 also includes an actuating spring 340 and a handle spring 350. The actuation spring 340 includes two ends, one end of which is connected to the actuator 320 and the other end is connected to the handle body 310. In one embodiment, the actuator 320 is a projection, and the actuation spring 340 can cause the projection to move. Therefore, when the surgical stapler assembly 100 returns from the firing state or the critical state to the initial state, the actuating spring 340 provides a resilient force to the actuator 320. The handle spring 350 has two ends, one end of which is connected to the surgical stapler assembly 100 and the other end is connected to the handle body 310. When the surgical stapler assembly 100 is in the firing state or critical state, the handle spring 350 is stretched, and when the surgical stapler assembly 100 returns from the firing state or critical state to the initial state, the handle spring 350 A compressive force is provided to the surgical stapler assembly 100.

Please refer to FIGS. 5B to 5E, which are partially enlarged cross-sectional views of the surgical stapler 10 shown in FIG. 5A during a firing cycle. Please refer to FIG. 6A to FIG. 6D, which are partial enlarged views of FIG. 5B to FIG. 5E, to further illustrate the detailed features of the supporting plate 121, the emitting plate 122, and the stop plate 123. In FIGS. 5B and 6A, the surgical stapler 10 is in an initial state, and at this time, no grip force has been applied to the actuating handle 300 and the grip housing 200, and the launch plate 122 is in this first position. The actuator 320 is pivotally connected to the control lever 124 and is located above the first arm portion 124a. The angle θ between the control lever 124 and the horizontal plane H-H of the support 111 is greater than a preset value. The locking structure 122c of the launch plate 122 is placed in the holding hole 121b of the support plate 121, the push-up structure 123b of the stop plate 123 extends from the groove portion 122b of the launch plate 122, In contact with the supporting structure 121a of the supporting plate 121, an upward thrust is provided to the supporting structure 121a.

In FIGS. 5C and 6B, the surgical stapler 10 is in the transition state. From the perspective shown in FIG. 5C, when a gripping force is applied to the actuating handle 300 and the grip housing 200, the handle body 310 uses the grip shaft 330 as a rotation axis and is relative to the support 111 rotates counterclockwise, and the handle spring 350 is stretched. The actuator 320 moves downward and pushes the first arm portion 124a of the control lever 124 to rotate clockwise. The angle θ between the control lever 124 and the horizontal plane H-H of the supporting member 111 is gradually smaller than the angle in the initial state shown in FIG. 5B, but it has not yet reached the preset value. The second arm portion 124b of the control lever 124 compresses the control lever spring 125 and moves the launch plate 122 to a transitional position between the first position and the second position, thereby enabling the surgical suture The device 10 is in a transitional state; in the transitional state, the stop structure 122c disengages from the holding hole 121b and slides along the sliding structure 121c. The push-up structure 123b of the stop plate 123 is pressed by the launching plate 122 to weaken the push-up force of the push-up structure 123b against the support structure 121a, so that the support structure 121a descends to block the injection port 111a. At the same time, the launching plate 122 is placed between the injection port 111a and the spike 1101, separating the spike 1101 from the injection port 111a. When the grip force applied to the actuating handle 300 and the grip housing 200 is removed, from the perspective shown in FIG. 5C, the compressive force applied to the handle spring 350 causes the grip body 310 to The handle 330 rotates and rotates clockwise relative to the support 111. The resilience of the lever spring 125 causes the lever 124 to rotate counterclockwise; during the rotation of the lever 124 counterclockwise, the cause The actuator 320 maintains a pivotal connection with the first arm portion 124a of the control lever 124, and the surgical stapler 10 is in a retracted state from the transition state to the initial state. In the retracted state, since the launching plate 122 is placed between the injection port 111a and the nail 1101, the nail 1101 will not be ejected.

In FIGS. 5D and 6C, the surgical stapler 10 is in a critical state. From the perspective shown in FIG. 5D, if the gripping force is continuously applied to the actuating handle 300 and the grip housing 200, the actuator 320 will continue to push the first arm portion of the control lever 124 124a rotates around the shaft portion 124c and rotates clockwise relative to the support 111, the angle θ between the control lever 124 and the horizontal plane HH of the support 111 reaches a preset value, and the launch plate 122 In the second position, the surgical stapler 10 is in the critical state shown in FIG. 5D. In a critical state, the first arm portion 124a is about to disengage from the actuator 320, and the actuation spring 340 is compressed by the first arm portion 124a of the lever 124. The contact surface of the first arm portion 124a and the actuator 320 is a circular arc surface, and the contact surface of the actuator 320 and the first arm portion 124a is an inclined surface. Through the pivotal connection of the arc surface and the inclined surface, not only can the first arm portion 124a be smoothly detached from the actuator 320, but also, the actuator 320 can be facilitated by the actuated spring 340 The rebound force is pulled upward, and finally returns to the initial state. It should be noted that before the angle θ between the control lever 124 and the horizontal plane HH of the support member 111 reaches a preset value, the launch plate 122 is at the conversion position before reaching the second position, at this time The first arm portion 124a cannot be separated from the actuator 320. When the surgical stapler 10 is in a critical state, the launching plate 122 is at the second position, and the launching tooth portion 122a of the launching plate 122 releases the nail 1101 so that the nail 1101 is The pressing member 112 is pushed toward the injection port 111a to prepare for injection.

In FIGS. 5E and 6D, the surgical stapler 10 is in a fired state. The first arm portion 124a of the control lever 124 disengages from the actuator 320. From the perspective shown in FIG. 5E, the spring force generated by the lever spring 125 causes the second arm portion 124b of the lever 124 to rotate counterclockwise, and the launch plate 122 is removed from the second arm portion 124b The second position is pushed to the first position. Therefore, the launching plate 122 applies a mechanical impulse to the nail 1101 located at the ejection port 111a, so that the nail 1101 is ejected from the ejection port 111a. When the surgical stapler 10 is in the firing state, the stop structure 122c slides back from the sliding structure 121c into the holding hole 121b, and the supporting structure 121a is pushed up by the push-up structure 123b again, exposing the shot The outlet 111a allows the nail 1101 to be ejected. In the fired state, a grip force still needs to be applied to the actuator 320 and the grip housing 200.

After the nail 1101 is ejected, the grip force applied to the actuator 320 and the grip housing 200 will be removed, and the surgical stapler 10 is in the recovery state after the firing state. From the perspective shown in FIG. 5C, the compressive force exerted by the handle spring 350 at this time causes the handle body 310 to rotate around the handle shaft 330 and rotate clockwise relative to the support 111, and the actuator 320 moves upward and re-joins the first arm portion 124a of the control lever 124, and the surgical stapler 10 returns to the initial state shown in FIG. 5B.

Please refer to FIG. 7, which is a flowchart of the round launch of the surgical stapler in an embodiment of the present invention. The surgical stapler includes a surgical stapler assembly, an actuating handle, and a grip housing. The surgical stapler assembly includes a staple box module and a launch module. The nail box module includes a support member and a pressing member. The support member includes a horizontal plane and an ejection port. The horizontal plane is used for accommodating the nail needle, and the ejection port is used for ejecting the nail needle. The pressing member is disposed in the supporting member to push the nail to the injection port. The launching module is pivotally connected to the nail box module to eject the nail pin from the shooting outlet of the nail box module. The launch module includes a launch board, a control lever and a control lever spring. The launch plate is movably placed in the support, and the control lever is pivotally connected to the launch plate to move the launch plate between a first position and a second position. The control rod spring is simultaneously connected to the control rod and the support. The control lever is rotatably placed in the support member, and when the angle between the control lever and the horizontal plane of the support member reaches a preset value, the control lever pushes the launch plate to the second position, prompting the control The lever spring generates a rebound force to be applied to the control rod, and the rebound force causes the control rod to push the launch plate to move toward the first position, so that the launch plate provides a mechanical impulse to the nail pin, so that the nail pin The shot exits. The actuation handle is connected to the support member to selectively pivot with the control rod. The grip housing houses the surgical stapler assembly. The grip housing and the actuation handle form a pair of grip devices. When a grip force is applied on the grip housing and the actuation handle, the actuation handle is pivotally connected to the control lever to rotate the control lever until the level between the control lever and the horizontal surface of the support member The angle reaches the preset value. The launch module further includes a support plate and a stop plate, the support plate is placed on the launch plate, and the stop plate is pivotally connected to the launch plate. The surgical stapler may be the surgical stapler 10 described above.

As shown in FIG. 7, a round of transmission S400 includes steps S401-S406. In step S401, the surgical stapler is in an initial state. At this time, no grip force is applied to the grip housing and the actuating handle. For the initial state of the surgical stapler, refer to FIG. 5B. In step S402, the surgical stapler is in a transition state, and a grip force is applied on the grip housing and the actuation handle. From the perspective shown in FIGS. 5B-5E, at this time, the actuating handle is pivotally connected to the control rod, and pushes the control rod to rotate clockwise relative to the support, and the angle between the control rod and the horizontal plane of the support is greater than For a preset value, the transition state of the surgical stapler can refer to FIG. 5C. In step S406, if the grip force applied to the grip housing and the actuation handle is removed in the transition state, the surgical stapler enters the retracted state. In the retracted state, from the perspective shown in FIGS. 5B-5E, the control rod rotates counterclockwise relative to the support under the action of the spring force of the control rod spring, during the rotation of the control rod The actuation handle is continuously pivotally connected to the control lever. The launch plate is stopped by the support plate and cannot move to the first position, so no mechanical impulse is applied to the nail. Therefore, the surgical stapler does not shoot the nail out and directly returns to the initial state, and the flow returns to step S401.

In step S403, if a grip force is continuously applied to the grip housing and the actuation handle, the actuation handle continuously pushes the control rod to rotate clockwise until the angle between the control rod and the horizontal plane of the support reaches a pre- Set the value. At this time, the surgical stapler is in a critical state. For the critical state of the surgical stapler, refer to FIG. 5D. When the surgical stapler is in a critical state, the control rod is ready to disengage from the actuation handle. In step S404, the surgical stapler is in the firing state. For the firing state of the surgical stapler, refer to FIG. 5E. When the surgical stapler is in the firing state, the control rod is disengaged from the actuating handle, and the control rod spring exerts a rebound force on the control rod and the launch plate. From the perspective shown in FIGS. 5B-5E, the control rod rotates counterclockwise with respect to the support, the launching plate applies a mechanical impulse to the nail, and the nail is ejected from the support . At this time, the grip force still needs to be applied to the grip housing and the actuation handle. In step S405, the surgical stapler is in a restored state. For the restored state of the surgical stapler, refer to FIG. 5E. The grip force is removed from the grip housing and the actuating handle. When the surgical stapler assembly returns from the firing state or the critical state to the initial state, the handle spring exerts a compressive force on the surgical stapler assembly. Therefore, From the perspective shown in FIGS. 5B-5E, the actuating handle rotates clockwise with respect to the surgical stapler assembly, and pivots with the control lever again, thereby returning the surgical stapler to its original state .

Another embodiment provides a surgical stapler module including an actuating handle and a surgical stapler assembly. The actuation handle and the surgical stapler assembly can be referred to as shown in FIGS. 1A-6D. As shown in FIGS. 1A-6D, the actuation handle 300 includes an actuator 320, and the surgical stapler assembly 100 includes a firing module 120 and a control lever 124. The control lever 124 includes a first arm portion 124a and a second arm portion 124b. The first arm portion 124a is pivotally connected to the actuator 320, and the second arm portion 124b is pivotally connected to the launch module 120. The launch module 120 includes a support plate 121, a stop plate 123 and a launch plate 122. The launch plate 122 is movably pivotally connected between the support plate 121 and the stop plate 123. The supporting plate 121 includes a supporting structure 121a, a sliding structure 121c and a holding hole 121b. The support structure 121a is provided at one end of the support plate 121, and the sliding structure 121c is provided at the other end of the support plate 121. In a specific embodiment, the sliding structure 121c may be an elastic plate. One end of the sliding structure 121c is elastically bent upward, and the other end is fixed to the supporting plate 121. The emitting plate 122 includes at least one emitting structure 122a, a groove 122b, a locking structure 122c and an L-shaped structure 122d. The at least one emitting structure 122a may be two emitting teeth disposed at one end of the emitting plate 122. The groove portion 122b is disposed on the emitting structure 122a (placed between two emitting teeth). The locking structure 122c is a protrusion, the protrusion corresponds to the holding hole 121b on the support plate 121, and is in contact with the sliding structure 121c. The L-shaped structure 122d extends from the first end of the emitting plate 122. The stop plate 123 includes at least one tooth structure 123a, a push-up structure 123b and a stop hole 123c. The at least one tooth structure 123a is disposed at one end of the stop plate 123, and the push-up structure 123b is placed in the groove 122b of the launch plate 122; in a preferred embodiment, the The push-up structure 123b is an elastic plate that elastically bends upward to contact the support structure 121a. The stop hole 123c is used to receive the L-shaped structure 122d of the launch plate 122. The surgical stapler assembly 100 further includes a staple cartridge module 110 and a lever spring 125. The nail box module 110 is pivotally connected to the launch module 120. The nail box module 110 includes a support member 111 and a pressing member 112. The supporting member 111 is provided with a horizontal plane H-H and an ejection port 111a. The horizontal plane H-H is used for accommodating at least one nail 1101. The pushing member 112 is placed in the supporting member 111 to push the nail 1101 toward the injection port 111a. The lever spring 125 is pivotally connected between the support 111 and the L-shaped structure 122d of the launch plate 122.

The actuation handle 300 further includes a handle body 310, a handle spring 350, a grip shaft 330 and an actuation spring 340. The handle spring 350 is pivotally connected between the surgical stapler assembly 100 and the handle body 310. The handle shaft 330 is pivotally connected to the support 111 of the surgical stapler assembly 100. The actuation spring 340 is pivotally connected between the actuator 320 and the handle body 310. An angle θ is formed between the first arm portion 124a of the control lever 124 and the horizontal plane HH, and the actuator 320 is used to push the first arm portion 124a of the control lever 124 to compress the control lever spring 125 until the angle θ reaches a preset value.

In summary, the surgical stapler assembly provided by the present embodiment includes at least one control rod connected to a launching plate, and when the control rod is rotated by an actuator at a certain angle, the nail needle is ejected from the surgical stapler assembly Injection, therefore, the surgical stapler assembly provided by the present embodiment has an effective injection mechanism to prevent improper operation of the surgical stapler.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the creation and not to limit it. Although the creation is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solution of the creation Make modifications or equivalent replacements without departing from the spirit and scope of this creative technical solution.

The above are only the preferred embodiments of this creation and are not intended to limit this creation. Any modification, equivalent replacement and improvement made within the spirit and principles of this creation should be included in the protection scope of this creation Within the fence.

10: Surgical stapler 100: Surgical stapler assembly 200: Hold the case 300: actuating handle 1101: Staple 110: Nail box module 120: Launch module 111: support 112: Pushing piece H-H: horizontal plane 111a: shot exit 121: Support plate 122: Launch board 123: stop plate 124: joystick 125: control lever spring θ: angle 113: Spring 114: bottom plate 124a: First arm 124b: Second arm 124c: Shaft 122a: firing teeth 122b: Groove 122c: locking structure 122d: L-shaped structure 121a: Support structure 121b: holding hole 121c: Sliding structure 123a: tooth structure 123b: Push-up structure 123c: stop hole 310: handle body 320: actuator 330: Grip shaft 340: Actuating spring 350: handle spring

The following further describes one or more embodiments of the present creation in conjunction with the drawings. The same or similar elements in the drawings are marked with the same reference numerals.

1A and 1B are schematic perspective views of a surgical stapler according to an embodiment of the present invention.

FIG. 1C is an exploded view of the surgical stapler shown in FIG. 1A.

2A is an exploded view of the surgical stapler assembly of the surgical stapler shown in FIG. 1C.

2B is an enlarged view of the surgical stapler assembly shown in FIG. 1A.

2C is a cross-sectional view of the surgical stapler assembly shown in FIG. 2B along I-I.

3A is an exploded view of the surgical stapler assembly shown in FIG. 2B, showing the support plate, launch plate, and stop plate of the surgical stapler.

3B is an enlarged perspective view of the support plate, launch plate, and stop plate of the surgical stapler assembly shown in FIG. 2B.

3C-3E are top, side, and bottom views of the support plate, launch plate, and stop plate shown in FIG. 3B.

4A is a schematic perspective view of the actuating handle of the surgical stapler shown in FIG. 1A.

4B is a cross-sectional view of the actuation handle shown in FIG. 4A along II-II.

5A is a schematic perspective view of the surgical stapler shown in FIG. 1A.

5B-5E are partially enlarged cross-sectional views along III-III of the surgical stapler shown in FIG. 5A during one round of firing.

6A-6D are partial enlarged views of FIGS. 5B-5E.

FIG. 7 is a flowchart of one round of launching of the surgical stapler in an embodiment of the present creation.

100: Surgical stapler assembly

1101: Staple

110: Nail box module

120: Launch module

111: support

112: Pushing piece

111a: shot exit

121: Support plate

122: Launch board

123: stop plate

124: joystick

125: control lever spring

113: Spring

114: bottom plate

124a: First arm

124b: Second arm

124c: Shaft

Claims (20)

A surgical stapler assembly, including: A nail box module, including: A support member, including a shooting port and a horizontal plane, the horizontal plane is used for accommodating at least one nail; and A pushing member placed in the supporting member, the pushing member pushing the nail to the injection port; and A launch module, pivotally connected to the nail box module, to eject the nail needle from the ejection port, including: A launching board, placed on the support; A control lever, coupled to the launch plate, and driving the launch plate to move between a first position and a second position, the control lever is rotatably placed on the support member; and A control rod spring is connected to the control rod and the support. The surgical stapler assembly according to item 1 of the scope of the patent application, wherein when the angle between the control rod and the horizontal plane of the support reaches a preset value, the launch plate moves to the second Position, causing the lever spring to provide a resilient force to the lever, the lever pushing the launch plate towards the first position, so that the launch plate provides a mechanical impulse to the nail So that the nail pin is ejected from the ejection port. The surgical stapler assembly according to item 2 of the patent application scope, wherein the staple cartridge module further includes a spring, the spring is connected to the pressing member to push the staple needle toward the shot Export. The surgical stapler assembly according to item 2 of the patent application scope, wherein the staple cartridge module further includes a bottom plate, the bottom plate is disposed in the support, and the nail needle is along a longitudinal axis of the bottom plate The direction is placed on the bottom plate. The surgical stapler assembly according to item 2 of the patent application scope, wherein the launch module further includes a support plate and a stop plate, the support plate is placed on the launch plate, and the stop plate It is pivotally connected with the launch plate. The surgical stapler assembly according to item 5 of the patent application range, wherein the support plate prevents the staple needle before the angle between the control rod and the horizontal plane of the support reaches the preset value During injection, the stop plate provides upward thrust for the support plate. The surgical stapler assembly according to item 6 of the patent application scope, wherein the launch plate includes: Two firing teeth, firing the nail; A groove part located between the firing tooth parts; A locking structure pivotally connected to the support plate; and An L-shaped structure is coupled to the stop plate. The surgical stapler assembly according to item 7 of the patent application scope, wherein the support plate includes: A support structure that prevents the nail from being ejected before the angle between the control rod and the horizontal plane of the support reaches the preset value; A holding hole; and A sliding structure; Wherein, when the launch plate is located at the first position, the locking structure is located in the holding hole, and when the launch plate moves from the first position to the second position, the locking structure Break away from the holding hole and slide along the sliding structure. The surgical stapler assembly according to item 8 of the patent application scope, wherein the stopper plate includes: A two-tooth structure, placed under the two emitting teeth of the launching plate; A push-up structure, placed in the groove of the launch plate, to provide a push-up force for the support structure of the support plate; and A stop hole, the L-shaped structure of the launch plate is placed in the stop hole. A surgical stapler assembly, including: A nail box module, including: A support member, including a shooting port and a horizontal plane, the horizontal plane is used for accommodating at least one nail; and A pushing member placed in the supporting member, the pushing member pushing the nail to the injection port; and A launching module pivotally connected to the nail box module to shoot the nail pin from the shooting outlet, including: A launching board, placed on the support; A control rod pivotally connected to the launch plate and driving the launch plate to move between a first position and a second position, the control rod is rotatably placed on the support member; A control rod spring connected to the control rod and the support member; and The actuating handle is connected to the support member and is selectively pivotally connected with the control rod. The surgical stapler assembly according to item 10 of the patent application range, wherein when the angle between the control rod and the horizontal plane of the support reaches a preset value, the launch plate moves to the second Position, causing the lever spring to provide a resilient force to the lever, the lever pushing the launch plate towards the first position, so that the launch plate provides a mechanical impulse to the nail So that the nail pin is ejected from the ejection port. The surgical stapler assembly according to item 10 of the patent application scope, wherein the actuating handle includes a handle body and an actuator, the handle body includes a handle shaft, and through the handle shaft, the The actuation handle is pivotally pivotally connected to the support, the actuator is selectively pivotally connected to the control lever to rotate the control lever, when the handle body rotates with the grip shaft When the shaft rotates relative to the support, the actuator pushes the control rod to rotate. When the angle between the control rod and the horizontal plane of the support reaches the preset value, the control The lever is disengaged from the actuator, urging the lever spring to provide a resilient force to the lever, causing the lever to move the launch plate toward the first position. The surgical stapler assembly according to item 12 of the patent application range, wherein the actuating handle further includes an actuating spring and a handle spring, the actuating spring has two ends, one of the ends is connected to For the actuator, the other end is connected to the handle body; the handle spring has two ends, one of the ends is connected to the support, and the other end is connected to all Described handle body. The surgical stapler assembly according to item 11 of the patent application scope, wherein the surgical stapler further includes a grip housing to accommodate the surgical stapler assembly, the grip housing and the The moving handle constitutes a pair of holding devices. When a holding force is applied to the holding housing and the actuating handle, the actuating handle is pivotally connected to the control lever and rotates the control lever until the The angle between the control lever and the horizontal plane of the support reaches the preset value. A surgical stapler module, including: Actuating handle with actuator; and A surgical stapler assembly, including: A launch module; and A control lever has a first arm portion and a second arm portion, the first arm portion is pivotally connected to the actuator, and the second arm portion is pivotally connected to the transmitting module. The surgical stapler module according to item 15 of the patent application scope, wherein the launching module further includes a supporting plate, a stop plate and a launching plate, the launching plate is movably pivotally connected to the Between the support plate and the stop plate, wherein, The support plate includes: A supporting structure provided at one end of the supporting plate; A sliding structure provided at the other end of the support plate; and A holding hole set on the sliding structure; The launch board includes: At least one launch structure is provided at one end of the launch board; A groove portion, provided on the launching structure; A locking structure corresponding to the holding hole; and An L-shaped structure, the L-shaped structure extends from the other end of the launch plate; The stop plate includes: At least one tooth structure provided at one end of the stop plate; A push-up structure, placed between the tooth structure and movable within the groove; and A stop hole is provided at the other end of the stop baffle and accommodates the L-shaped structure. The surgical stapler module according to item 16 of the patent application scope, wherein the surgical stapler assembly further includes: A nail box module is pivotally connected to the launch module and includes: A supporting member, including a horizontal plane for accommodating at least one nail and a shooting outlet; and A pushing member placed in the supporting member, the pushing member pushing the nail to the injection port; and A lever spring is pivotally connected between the support and the L-shaped structure of the launch plate. The surgical stapler module according to item 15 of the patent application scope, wherein the actuating handle further includes: A handle body; A handle spring, pivotally connected between the surgical stapler module and the handle body; A grip shaft pivotally connected to the surgical stapler assembly; and The actuating spring is pivotally connected between the actuator and the handle body. The surgical stapler module according to item 17 of the patent application scope, wherein an angle is formed between the first arm portion and the horizontal plane. The surgical stapler module according to item 19 of the patent application scope, wherein the actuator pushes the first arm portion, and the lever spring is compressed until the angle reaches a preset angle.

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