Staple releasing device and suturing device

Abstract

According to the anastomosis nail releasing device and the suturing device, a driving assembly, a needle pushing plate and a containing cavity used for containing anastomosis nails in the anastomosis nail releasing device are sequentially stacked, that is, the needle pushing plate serves as a boundary, so that structures between the driving assembly and the containing cavity do not interfere with each other, on one hand, no other structures exist in the containing cavity, and on the other hand, no other structures exist in the containing cavity; therefore, the containing cavity can contain larger anastomosis nails, the larger anastomosis nails can penetrate through thick human tissue, even if the containing cavity can contain anastomosis nails of various sizes, the application range of the product is widened, and the product can be applied to more operation scenes. On the other hand, no other structure is arranged in the cavity for installing the driving assembly, so that enough space is provided for installing the driving assembly with a complex structure or a large size, the driving assembly has strong driving force, and the anastomosis nail driven by the driving assembly can more effectively penetrate through the human tissue; therefore, effectiveness and reliability of product sewing are guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices for endoscopic minimally invasive surgery, and in particular to a staple releasing device and a suturing device. Background Art

[0002] Typically, a flexible endoscopic minimally invasive surgical instrument needs to be installed and fixed on the head end of the endoscope and enter the human digestive tract lumen together with the endoscope. Then, the operator drives the instrument installed on the head end of the endoscope through a long cable outside the body to perform minimally invasive surgery. Based on the above characteristics, for this type of instrument, it is necessary to enable the operator to effectively transfer the driving force in the hand to the instrument at the head end through the cable, and there must be sufficient driving force to drive the instrument to perform minimally invasive surgery. At present, there are very few flexible endoscopic stapler suturing instruments, and there are great technical challenges. For the existing technology of a few flexible endoscopic staplers, there is the problem of insufficient driving force as mentioned above, which results in insufficient force for the staples to penetrate the gastrointestinal tissue. In addition, the flexible endoscopic instrument is small in size and there is insufficient space for setting the staples, which results in the staples being short in length, unable to penetrate thick tissues, and difficult to apply to gastrointestinal wall folding, etc. Utility Model Content

[0003] An embodiment of the first aspect of the present application provides a staple releasing device, comprising: a main body, wherein a first clamping portion and a second clamping portion are symmetrically provided on the main body, and a gap is provided between the first clamping portion and the second clamping portion; a through hole is further provided on the main body, and the setting position of the through hole corresponds to the position of the gap, and the through hole is configured to cooperate with an endoscope; the first clamping portion has a receiving portion and a limiting portion, the receiving portion is located at an end of the first clamping portion away from the main body and is arranged adjacent to the second clamping portion, and the receiving portion is configured to assemble a staple; and a needle pusher plate, It is arranged adjacent to the main body and stacked with the accommodating cavity for assembling the anastomotic staples in the axial direction of the through hole, and the accommodating cavity is located above the push pin plate, and the push pin plate is configured to push the anastomotic staples out of the accommodating cavity, and the accommodating portion and the limiting portion are arranged side by side along the moving direction of the push pin plate; and a driving assembly, the driving assembly is arranged on the first clamping portion and can move relative to the first clamping portion, the driving assembly is connected to the push pin plate, the driving assembly is configured to drive the push pin plate to move, and in the axial direction of the through hole, the driving assembly is located below the push pin plate.

[0004] In some embodiments, a first meshing tooth is provided on the push pin plate in the movement direction of the push pin plate; the driving assembly includes: a rotating member, which is provided on the first clamping portion and can rotate relative to the first clamping portion, and a second meshing tooth is provided on the rotating member to cooperate with the first meshing tooth; and a control cable, which is connected to the rotating member and is configured to drive the rotating member to rotate relative to the first clamping portion.

[0005] In some embodiments, the rotating member includes a rotating body and a connecting frame, the connecting frame is connected to the rotating body, and the rotating body is provided with the second meshing teeth; the connecting frame includes a first connecting arm, a second connecting arm and a third connecting arm connected in sequence, the first connecting arm and the third connecting arm are located on the same side of the second connecting arm, and the first connecting arm and the third connecting arm are respectively located on both sides of the rotating body; the control rope is connected to the second connecting arm.

[0006] In some embodiments, the rotating member includes a rotating body and a connecting member, the connecting member is connected to the rotating body, and the rotating body is provided with the second meshing teeth; the connecting member is provided with an annular groove, and the control cable is coiled in the annular groove.

[0007] In some embodiments, the first clamping portion is provided with a through slot running through the first clamping portion, and the rotating member is disposed in the through slot.

[0008] In some embodiments, a avoidance groove is provided on the main body, the avoidance groove extends along the axial direction of the through hole, and a portion of the control cable is located in the avoidance groove.

[0009] In some embodiments, the receiving portion is a connecting structure configured to install a staple.

[0010] In some embodiments, the staple releasing device further includes: a needle box, which is detachably mounted on the accommodating portion, the needle box having the accommodating cavity for assembling the staples; and an elastic member, which is disposed in the accommodating cavity and located on the cavity wall of the accommodating cavity away from the needle push plate, the elastic member being configured to support the staples.

[0011] In some embodiments, the accommodating portion is the accommodating cavity for assembling the staples formed by part of the first clamping portion; the staple releasing device further includes: an elastic member, which is arranged in the accommodating cavity and is located on the cavity wall of the accommodating cavity away from the push pin plate, and the elastic member is configured to support the staples.

[0012] In some embodiments, the elastic member includes a spring and a support plate, the support plate includes a first surface and a second surface arranged opposite to each other, the spring is supported between the first surface of the support plate and the cavity wall of the accommodating cavity, and the staples are arranged on the second surface.

[0013] In some embodiments, a first guide structure is provided on the support plate, and a second guide structure that cooperates with the first guide structure is provided on the wall of the accommodating cavity; one of the first guide structure and the second guide structure is a sliding hole, and the other is a slider, and the slider can slide in the sliding hole.

[0014] In some embodiments, the clamping portion is capable of moving relative to the main body, and the clamping portion includes the first clamping portion and / or the second clamping portion; the staple releasing device further includes a control component, which is connected to the clamping portion and is configured to control the movement of the clamping portion relative to the main body.

[0015] In some embodiments, the clamping portion includes: a rotating arm, which is arranged on the main body and can rotate relative to the main body, and one end of the rotating arm is connected to the control component; and a clamping portion, which is connected to the other end of the rotating arm, and the accommodating portion is arranged on the clamping portion.

[0016] In some embodiments, a third guide structure is provided on the clamping portion, and a fourth guide structure is provided on the main body. One of the third guide structure and the fourth guide structure is a slide groove, and the other is a slide rail. The slide rail can slide in the slide groove so that the clamping portion slides in a straight line relative to the main body; the clamping portion includes the first clamping portion and / or the second clamping portion.

[0017] In some embodiments, a first transmission tooth is provided on the clamping portion; the control component includes: a rotating transmission member, which is provided on the main body and can rotate relative to the main body, and a second transmission tooth is provided on the rotating transmission member to cooperate with the first transmission tooth, and the rotating transmission member is configured to drive the clamping portion to move relative to the main body; and a first control member, which is connected to the rotating transmission member and is configured to control the movement of the rotating transmission member relative to the main body.

[0018] In some embodiments, the control assembly includes: a transmission rod, which is arranged on the main body and can rotate relative to the main body, one end of the transmission rod is connected to the clamping part, and the transmission rod is configured to drive the clamping part to move relative to the main body; and a second control member, which is connected to the other end of the transmission rod, and the second control member is configured to control the rotation of the transmission rod relative to the main body.

[0019] In some embodiments, the first clamping portion and the second clamping portion are fixedly connected to the main body; or the first clamping portion and the second clamping portion are an integral structure with the main body.

[0020] Compared with the existing technology, the above technical solution has the following advantages:

[0021] In the axial direction of the through hole, the drive assembly, the push pin plate and the accommodating chamber are stacked in sequence, that is, the push pin plate is used as the boundary to prevent the structures between the drive assembly and the accommodating chamber from interfering with each other. On the one hand, there is no other structure in the accommodating chamber, so that the accommodating chamber can accommodate larger staples, and larger staples can pass through thicker human tissue. Even if the accommodating chamber can accommodate staples of various sizes, the applicability of the product is increased, so that the product can be used in more surgical scenarios; on the other hand, there is no other structure in the cavity where the drive assembly is installed, so that there is enough space to install a drive assembly with a complex structure or a large volume, so that the drive assembly has a stronger driving force, so that the staples driven by the drive assembly can more effectively penetrate human tissue, thereby ensuring the effectiveness and reliability of the product suturing.

[0022] An embodiment of the second aspect of the present application provides a suturing device, comprising: the above-mentioned staple releasing device; and staples, wherein the staples are arranged in a receiving chamber of the staple releasing device, and a push pin plate of the staple releasing device is stacked with the staples in the axial direction of the through hole of the staple releasing device, and the push pin plate can push the staples out of the receiving chamber, and the staples pushed out of the receiving chamber are squeezed and deformed.

[0023] In some embodiments, the number of the staples is one or more, and the staples are arranged in a needle box of the staple release device. The staples and the needle box constitute a suturing assembly, and the suturing assembly is detachably mounted on the first clamping portion of the staple release device.

[0024] Compared with the existing technology, the above technical solution has the following advantages:

[0025] The product enables staples to penetrate thicker human tissue, which increases the product's scope of application and enables the product to be used in more surgical scenarios. At the same time, the product enables staples to penetrate human tissue more effectively to ensure the effectiveness and reliability of the product's suturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 A schematic structural diagram of a first embodiment of a suturing device provided in some embodiments of the present application;

[0028] Figure 2 for Figure 1 A schematic diagram of the exploded structure of the suturing device shown;

[0029] Figure 3 for Figure 1 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0030] Figure 4 for Figure 1 A schematic structural diagram of the suturing device shown in a first state;

[0031] Figure 5 for Figure 4 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0032] Figure 6 for Figure 1 A schematic structural diagram of the suturing device in a second state;

[0033] Figure 7 for Figure 6 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0034] Figure 8 A schematic diagram of the structure of a push pin plate provided in some embodiments of the present application;

[0035] Figure 9 for Figure 1 A schematic structural diagram of the first clamping portion shown in ;

[0036] Figure 10 for Figure 1 A schematic structural diagram of the elastic member shown in ;

[0037] Figure 11 for Figure 1A schematic structural diagram of the rotating member shown in FIG;

[0038] Figure 12 A schematic structural diagram of a second embodiment of a suturing device provided in some embodiments of the present application;

[0039] Figure 13 for Figure 12 A schematic diagram of the exploded structure of the suturing device shown;

[0040] Figure 14 for Figure 12 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0041] Figure 15 for Figure 12 A schematic structural diagram of the suturing device shown in a first state;

[0042] Figure 16 for Figure 15 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0043] Figure 17 for Figure 12 A schematic structural diagram of the suturing device in a second state;

[0044] Figure 18 for Figure 17 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0045] Figure 19 for Figure 12 A schematic diagram of a partial structure of the suturing device shown in FIG;

[0046] Figure 20 for Figure 12 A schematic structural diagram of the first clamping portion shown in ;

[0047] Figure 21 for Figure 12 A schematic structural diagram of the elastic member shown in ;

[0048] Figure 22 for Figure 12 A schematic structural diagram of the rotating member shown in FIG;

[0049] Figure 23 A schematic structural diagram of a third embodiment of a suturing device provided in some embodiments of the present application;

[0050] Figure 24 for Figure 23 A schematic diagram of the exploded structure of the suturing device shown;

[0051] Figure 25 for Figure 23 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0052] Figure 26 for Figure 23 A schematic structural diagram of the suturing device shown in a first state;

[0053] Figure 27 for Figure 26 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0054] Figure 28 for Figure 23 A schematic structural diagram of the suturing device in a second state;

[0055] Figure 29 for Figure 28 A schematic diagram of a partial cross-sectional structure of the suturing device shown;

[0056] Figure 30 A schematic structural diagram of a fourth embodiment of a suturing device provided in some embodiments of the present application;

[0057] Figure 31 This is a structural diagram of an embodiment of the drive assembly described in this application.

[0058] The reference numerals are as follows:

[0059] 10. Main body; 11. First clamping portion; 111. Accommodating portion; 112. Limiting portion; 113. Through slot; 114. Rotating arm; 115. Clamping portion; 116. Third guide structure; 117. First transmission tooth; 12. Second clamping portion; 13. Through hole; 14. Avoidance groove; 15. Fourth guide structure;

[0060] 20. Push pin plate; 21. First meshing tooth;

[0061] 30. Drive assembly; 31. Rotating member; 311. Rotating body; 312. Connecting frame; 3121. First connecting arm; 3122. Second connecting arm; 3123. Third connecting arm; 313. Second meshing tooth; 32. Control cable; 33. Connecting member; 331. Annular groove;

[0062] 40. Needle box;

[0063] 50. Elastic member; 51. Spring; 52. Support plate; 521. First guide structure;

[0064] 60. Accommodating cavity; 61. Second guide structure;

[0065] 70. Control assembly; 71. Rotating transmission member; 711. Second transmission tooth; 72. First control member; 73. Transmission rod; 74. Second control member;

[0066] 81. First restoring member; 82. Second restoring member;

[0067] 100. Staple releasing device; 200. Endoscope; 300. Staple. DETAILED DESCRIPTION

[0068] The present application will be further described in detail below through the accompanying drawings and examples, through which the features and advantages of the present application will become more clear and distinct.

[0069] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as commonly understood by technicians in the technical field to which this application belongs; the terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions.

[0070] The phrase "embodiment" mentioned in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it refer to independent or alternative embodiments that are mutually exclusive with other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described in this application may be combined with other embodiments.

[0071] The term "exemplary" is used herein to mean "serving as an example, embodiment, or illustration." Any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless otherwise indicated.

[0072] In the description of this application, technical terms such as "first", "second", "third", "fourth", etc. are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order or primary and secondary relationship of the indicated technical features.

[0073] In the description of this application, the technical term "and / or" is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the related objects are in an "or" relationship.

[0074] In the description of this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0075] In the description of this application, unless otherwise specified or limited, technical terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0076] In the description of the present application, “a plurality of” means two or more (including two), unless otherwise clearly and specifically defined.

[0077] In the description of this application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components in different embodiments are omitted. It should be understood that the thickness, length, and other dimensions of the various components in the embodiments of this application, as well as the overall thickness, length, and other dimensions of the integrated device shown in the drawings are merely illustrative and do not constitute any limitation on this application.

[0078] For ease of understanding, the following Figures 1 to 31 The suturing device shown illustrates the specific structure of the staple releasing device.

[0079] like Figures 1 to 31 As shown, the staple releasing device 100 provided in the present application includes: a main body 10 , a needle pushing plate 20 and a driving assembly 30 .

[0080] A first clamping portion 11 and a second clamping portion 12 are symmetrically provided on the main body 10, and there is a gap between the first clamping portion 11 and the second clamping portion 12. A through hole 13 is also provided on the main body 10. The setting position of the through hole 13 corresponds to the position of the gap. The through hole 13 is configured to cooperate with the endoscope 200. The first clamping portion 11 has a receiving portion 111 and a limiting portion 112. The receiving portion 111 is located at an end of the first clamping portion 11 away from the main body 10 and is arranged adjacent to the second clamping portion 12. The receiving portion 111 is configured to assemble the staples 300.

[0081] The push pin plate 20 is disposed adjacent to the main body 10 and is stacked with the accommodating cavity 60 for assembling the staples 300 in the axial direction of the through hole 13. The accommodating cavity 60 is located above the push pin plate 20. The push pin plate 20 is configured to push the staples 300 out of the accommodating cavity 60. The accommodating portion 111 and the limiting portion 112 are arranged side by side along the moving direction of the push pin plate 20. After the push pin plate 20 is pushed out of the accommodating cavity 60, it is located at the limiting portion 112, thereby preventing the push pin plate 20 from slipping. At the same time, after the push pin plate 20 exits the accommodating cavity 60, it pushes the next staple 300 to the moving trajectory of the push pin plate 20, thereby causing interference between the push pin plate 20 and the staple 300, thereby preparing the push pin plate 20 to push the next staple 300.

[0082] The driving assembly 30 is arranged on the first clamping portion 11 and can move relative to the first clamping portion 11. The driving assembly 30 is connected to the push pin plate 20. The driving assembly 30 is configured to drive the push pin plate 20 to move. In the axial direction of the through hole 13, the driving assembly 30 is located below the push pin plate 20.

[0083] The staple release device 100 provided in the present application has a drive assembly 30, a push pin plate 20, and a receiving chamber 60 stacked in sequence in the axial direction of the through hole 13. The push pin plate 20 serves as a demarcation to prevent interference between the drive assembly 30 and the receiving chamber 60. On the one hand, the receiving chamber 60 is free of other structures, allowing the receiving chamber 60 to accommodate larger staples 300. Larger staples 300 can penetrate thicker human tissue. Even if the receiving chamber 60 can accommodate staples 300 of various sizes, the product's applicability is increased, enabling the product to be used in more surgical scenarios, particularly those requiring larger staples 300 to penetrate thicker human tissue. On the other hand, the cavity in which the drive assembly 30 is mounted is free of other structures, leaving ample space for mounting a complex or larger drive assembly 30. This allows the drive assembly 30 to have a stronger driving force, enabling the staples 300 driven by the drive assembly 30 to more effectively penetrate human tissue, thereby ensuring the effectiveness and reliability of the product's suturing.

[0084] In addition, since the staple releasing device 100 needs to enter a smaller lumen of the human body, the push pin plate 20 and the accommodating cavity 60 are stacked in sequence, making the radial size of the product smaller, so that the staple releasing device 100 can enter a smaller lumen, thereby increasing the scope of use of the product.

[0085] like Figures 1 to 31 As shown, in one embodiment of the present application, in the movement direction of the needle pushing plate 20 , a first meshing tooth 21 is provided on the needle pushing plate 20 .

[0086] The driving assembly 30 includes a rotating member 31 and a control cable 32 .

[0087] The rotating member 31 is mounted on the first clamping portion 11 and is rotatable relative to the first clamping portion 11. The rotating member 31 is provided with second meshing teeth 313 that mate with the first meshing teeth 21. The first meshing teeth 21 are located in the center of the push pin plate 20. The rotating member 31, through the interlocking transmission of the first meshing teeth 21 and the second meshing teeth 313, ensures uniform force distribution on the push pin plate 20, thereby reducing localized stress concentration, deformation, and jamming caused by uneven stress, thereby enhancing structural stability and smooth movement. A first return member 81 is disposed between the rotating member 31 and the main body 10. As the rotating member 31 drives the push pin plate 20 to eject the staples 300 from the accommodating cavity 60, penetrate human tissue, and bend the staples 300, the first return member 81 accumulates force. Upon removal of the external force applied to the rotating member 31, the first return member 81 releases the stored force, thereby returning the rotating member 31 to its initial position, ensuring reliable operation.

[0088] The control cable 32 is connected to the rotating member 31 , and the control cable 32 is configured to drive the rotating member 31 to rotate relative to the first clamping portion 11 .

[0089] After the first clamping portion 11 and the second clamping portion 12 squeeze and fix the human tissue, the control cable 32 is operated. The control cable 32 drives the rotating member 31 to rotate relative to the first clamping portion 11. The second meshing teeth 313 on the rotating member 31 interact with the first meshing teeth 21 on the push pin plate 20. The rotating member 31 drives the push pin plate 20 to move, causing the push pin plate 20 to push the staples 300 out of the accommodating cavity 60, so that the staples 300 can sew the human body.

[0090] The above structure is a gear transmission system, which has the advantages of accurate transmission, high efficiency, compact structure, reliable operation and long service life.

[0091] The rotating member 31 is a sector gear, which has high space utilization and is relatively small in shape, and can realize the transmission function in a limited space, thereby improving the space utilization of the staple releasing device 100.

[0092] like Figure 9 and Figure 20 As shown, in one embodiment of the present application, a through slot 113 is provided on the first clamping portion 11, and the rotating member 31 is provided in the through slot 113. There is enough space in the through slot 113 to arrange the rotating member 31. The larger size of the rotating member 31 can ensure that the demand for large driving force is met.

[0093] The rotating member 31 is disposed in the through groove 113 so that the first clamping portion 11 overlaps with the rotating member 31, which rationally utilizes the space. The space occupied by the rotating member 31 and the first clamping portion 11 overlaps, thereby reducing the space occupied by the rotating member 31 and the first clamping portion 11 as a whole, making the overall volume of the product smaller, thereby enabling the staple releasing device 100 to be smoothly inserted into or withdrawn from the human body, and reducing the probability of scratching human tissue during the device entering and withdrawing from the human lumen.

[0094] like Figure 14 and Figure 19 As shown, in one embodiment of the present application, an avoidance groove 14 is provided on the main body 10 , and the avoidance groove 14 extends along the axial direction of the through hole 13 , and a portion of the control cable 32 is located in the avoidance groove 14 .

[0095] Part of the control cable 32 is located in the avoidance groove 14, so that part of the control cable 32 overlaps with the main body 10, which rationally utilizes the space. The space occupied by part of the control cable 32 and the main body 10 overlaps, reducing the space occupied by the entire control cable 32 and the main body 10, making the overall volume of the product smaller, thereby allowing the staple releasing device 100 to be smoothly inserted into or withdrawn from the human body.

[0096] like Figures 1 to 31 As shown, in one embodiment of the present application, the clamping portion 115 is movable relative to the main body 10 , and the clamping portion 115 includes a first clamping portion 11 and / or a second clamping portion 12 .

[0097] The staple releasing device 100 further includes a control assembly 70 , which is connected to the clamping portion 115 and configured to control the clamping portion 115 to move relative to the main body 10 .

[0098] The movable clamping portion can clamp the human tissue, thereby better fixing the human tissue and ensuring that the anastomosis staples are better fixed to the human tissue.

[0099] like Figure 30 As shown, in one embodiment of the present application, the first clamping portion 11 and the second clamping portion 12 are fixedly connected to the main body 10 .

[0100] In another embodiment of the present application, the first clamping portion 11 and the second clamping portion 12 are an integral structure with the main body 10 .

[0101] The above structure prevents the first clamping portion 11 and the second clamping portion 12 from moving relative to the main body 10. The human tissue to be punctured is clamped or anchored by an endoscopic instrument such as an existing endoscopic forceps or a spiral anchor, and is pulled into the first clamping portion 11 and the second clamping portion 12. Then, the driving assembly 30 drives the needle plate 20 to fix the anastomosis staple 300 to the human tissue.

[0102] There are no possible weak points in the movable connection parts between the first clamping part 11 and the second clamping part 12 and the main body 10, which ensures the mechanical strength of the product and further ensures the reliability of the product.

[0103] Several embodiments of the clamping portion 115 are described in detail below with reference to the accompanying drawings.

[0104] Example 1

[0105] like Figures 1 to 9 As shown, in one embodiment of the present application, the clamping portion 115 includes: a rotating arm 114 and a clamping portion 115 .

[0106] The rotating arm 114 is disposed on the main body 10 and is rotatable relative to the main body 10 . One end of the rotating arm 114 is connected to the control assembly 70 .

[0107] The clamping portion 115 is connected to the other end of the rotating arm 114 , and the accommodating portion 111 is provided on the clamping portion 115 .

[0108] The staple release device 100 and the staples are combined to form an assembly. After the assembly is inserted into the human body, the human tissue is pulled into the assembly. The control assembly 70 then drives the clamping portion 115 to move relative to the main body 10, thereby changing the distance between the two clamping portions 115 (the first clamping portion 11 and the second clamping portion 12). During this process, the two clamping portions 115 jointly squeeze the human tissue. The drive assembly 30 then drives the push pin plate 20 to move relative to the clamping portion 115, causing the push pin plate 20 to push the staple 300 out of the accommodating cavity 60 and penetrate the human tissue. The staple 300 is squeezed and deformed by the clamping portion 115, thereby suturing the human tissue.

[0109] The clamping portions 115 move relative to the main body 10, i.e., the two clamping portions 115 move in an arc and cooperate to clamp the human tissue. This, on the one hand, effectively improves the accuracy and safety of the subsequent puncture, ensuring that the staples 300 are effectively sutured to the human tissue, thereby ensuring safe and effective treatment of the human tissue. Furthermore, the above operation requires a simple push and pull motion, eliminating the need for other complex operations, reducing the product's operational difficulty.

[0110] Example 2

[0111] like Figures 13 to 29 As shown, in one embodiment of the present application, a third guide structure 116 is provided on the clamping portion 115, and a fourth guide structure 15 is provided on the main body 10. One of the third guide structure 116 and the fourth guide structure 15 is a slide groove, and the other is a slide rail. The slide rail can slide in the slide groove so that the clamping portion 115 slides in a straight line relative to the main body 10.

[0112] The clamping portion 115 includes a first clamping portion 11 and / or a second clamping portion 12 .

[0113] The staple release device 100 and the stapler are combined to form an assembly. After the assembly is inserted into the human body, the human tissue is pulled into the assembly. The control assembly 70 then drives the clamping portion 115 to move linearly relative to the main body 10, thereby changing the distance between the two clamping portions 115 (the first clamping portion 11 and the second clamping portion 12). During this process, the two clamping portions 115 jointly squeeze the human tissue. The drive assembly 30 then drives the push plate to move relative to the clamping portion 115, causing the push plate to push the staple 300 out of the accommodating cavity 60 and penetrate the human tissue. The staple 300 is squeezed and deformed by the clamping portion 115, thereby suturing the human tissue.

[0114] The clamping portion 115 moves linearly relative to the main body 10, effectively improving the accuracy and safety of the subsequent puncture, ensuring that the staples 300 effectively suturing human tissue. Furthermore, the above operation requires a simple push-and-pull motion, eliminating the need for other complex manipulations, reducing the product's operational difficulty and effectively improving user comfort. The above operation requires a simple push-and-pull motion, eliminating the need for other complex manipulations, reducing the product's operational difficulty and effectively improving user comfort.

[0115] like Figures 12 to 20 As shown, in one embodiment of the present application, a first transmission tooth 117 is provided on the clamping portion 115 .

[0116] The control assembly 70 includes a rotation transmission component 71 and a first control component 72 .

[0117] The rotating transmission member 71 is provided on the main body 10 and can rotate relative to the main body 10 . The rotating transmission member 71 is provided with second transmission teeth 711 that cooperate with the first transmission teeth 117 . The rotating transmission member 71 is configured to drive the clamping portion 115 to move relative to the main body 10 .

[0118] The first control member 72 is connected to the rotary transmission member 71 and is configured to control the movement of the rotary transmission member 71 relative to the main body 10. A second return member 82 is disposed between the rotary transmission member 71 and the main body 10. As the rotary transmission member 71 drives the rotary member 31 to drive the needle pusher plate 20 to push the staples 300 out of the accommodating cavity 60 and penetrate human tissue and bend the staples 300, the rotary transmission member 71 drives the second return member 82 to store force. When the external force applied to the rotary transmission member 71 is removed, the second return member 82 releases the stored elastic force, thereby helping the rotary transmission member 71 return to its initial position, thus ensuring operational reliability.

[0119] The clamping portion 115 is connected to the rotating transmission member 71 through transmission teeth and transmits power. The above transmission method is a meshing gear transmission system. The meshing gear transmission system has relatively accurate transmission, high efficiency, compact structure, reliable operation and long service life.

[0120] like Figures 23 to 29 As shown, in one embodiment of the present application, the control assembly 70 includes: a transmission rod 73 and a second control member 74 .

[0121] The transmission rod 73 is disposed on the main body 10 and is rotatable relative to the main body 10 . One end of the transmission rod 73 is connected to the clamping portion 115 . The transmission rod 73 is configured to drive the clamping portion 115 to move relative to the main body 10 .

[0122] The second control member 74 is connected to the other end of the transmission rod 73 , and the second control member 74 is configured to control the transmission rod 73 to rotate relative to the main body 10 .

[0123] The transmission rod 73 can transmit force and torque in a relatively direct manner; in addition, the transmission rod 73 has a simple structure and does not have a complicated transmission structure.

[0124] Several embodiments of the rotating member 31 will be described in detail below with reference to the accompanying drawings.

[0125] Example 1

[0126] like Figure 11 and Figure 22 As shown, in one embodiment of the present application, the rotating member 31 includes a rotating body 311 and a connecting frame 312 . The connecting frame 312 is connected to the rotating body 311 . The rotating body 311 is provided with second meshing teeth 313 .

[0127] The connecting frame 312 includes a first connecting arm 3121, a second connecting arm 3122 and a third connecting arm 3123 connected in sequence. The first connecting arm 3121 and the third connecting arm 3123 are located on the same side of the second connecting arm 3122, and the first connecting arm 3121 and the third connecting arm 3123 are respectively located on both sides of the rotating body 311.

[0128] The control cable 32 is connected to the second connecting arm 3122 .

[0129] The power of the control cable 32 is transmitted to the first connecting arm 3121 and the third connecting arm 3123 respectively through the second connecting arm 3122. The first connecting arm 3121 and the third connecting arm 3123 act on the symmetrical sides of the rotating body 311 respectively. The rotating body 311 can be evenly stressed, thereby reducing local stress concentration, reducing deformation and jamming caused by uneven stress, and thereby enhancing the stability of the structure and smoothness of movement.

[0130] Example 2

[0131] like Figure 31 As shown, in one embodiment of the present application, the rotating member 31 includes a rotating body 311 and a connecting member 33 . The connecting member 33 is connected to the rotating body 311 , and the rotating body 311 is provided with second meshing teeth 313 .

[0132] An annular groove 331 is provided on the connecting member 33 , and the control cable 32 is coiled in the annular groove 331 .

[0133] The connecting member 33 is equivalent to a pulley and can transmit all the force applied by the control cable 32 to the rotating body 311, so that the rotating body 311 has a strong driving force to drive the push pin plate 20. The connecting member 33 is set on the side of the rotating body 311 or in the middle of the rotating body 311 to ensure symmetrical and uniform force on the rotating body 311.

[0134] Several embodiments of the accommodating portion 111 are described in detail below with reference to the accompanying drawings.

[0135] Example 1

[0136] like Figures 1 to 7 As shown, in one embodiment of the present application, the staple releasing device 100 further includes a needle box 40 and an elastic member 50 .

[0137] The needle box 40 is detachably mounted on the accommodating portion 111, and the needle box 40 has an accommodating cavity 60 for assembling the staples 300. The accommodating portion 111 is a connecting structure connected to the needle box 40, which can be a slot or a bayonet, etc. A plurality of staples 300 can be installed in the needle box 40.

[0138] The elastic member 50 is disposed in the accommodating cavity 60 and is located on a cavity wall of the accommodating cavity 60 away from the pin-pushing plate 20 . The elastic member 50 is configured to support the anastomotic staples 300 .

[0139] The human tissue is positioned between the first clamping portion 11 and the second clamping portion 12. The control drive assembly 30 drives the needle push plate 20 forward to push the staples 300 out of the needle cartridge 40 until a staple 300 is sutured onto the human tissue. The control drive assembly 30 then drives the needle push plate 20 backward, and the next staple 300 moves upward to the front of the needle push plate 20 under the action of the elastic member 50. Thereafter, the control drive assembly 30 drives the needle push plate 20 forward to push the next staple 300 out of the needle cartridge 40 until a staple 300 is sutured onto the human tissue. This process is repeated, and staples 300 are gradually released. The above structure enables continuous suturing of human tissue, reduces the number of times staples 300 are installed, and thus improves the efficiency of the product.

[0140] In one embodiment of the present application, the elastic member 50 includes a spring 51 and a support plate 52, the support plate 52 includes a first surface and a second surface arranged opposite to each other, the spring 51 is supported between the first surface of the support plate 52 and the cavity wall of the accommodating cavity 60, and the anastomosis staple 300 is arranged on the second surface.

[0141] The structure of the elastic member 50 ensures that the elastic member 50 can effectively apply the stored elastic force to the staples 300 , thereby ensuring reliable use of the product.

[0142] In one embodiment of the present application, a first guide structure 521 is provided on the support plate 52 , and a second guide structure 61 that matches the first guide structure 521 is provided on the cavity wall of the accommodating cavity 60 .

[0143] One of the first guide structure 521 and the second guide structure 61 is a sliding hole, and the other is a slider, which can slide in the sliding hole.

[0144] The first guide structure 521 and the second guide structure 61 guide and limit the movement direction of the support plate 52, ensuring that the support plate 52 moves accurately along the predetermined trajectory and direction, preventing deviation or misalignment. This helps reduce shaking and errors during movement, and improves the overall movement accuracy. Furthermore, the first guide structure 521 and the second guide structure 61 ensure smoother movement of the support plate 52, preventing jamming or obstruction.

[0145] Example 2

[0146] like Figures 12 to 18 As shown, in one embodiment of the present application, the accommodating portion 111 is formed by part of the first clamping portion 11 to form an accommodating cavity 60 for assembling the staples 300 .

[0147] The staple releasing device 100 further includes an elastic member 50 .

[0148] The elastic member 50 is disposed in the accommodating cavity 60 and is located on the cavity wall of the accommodating cavity 60 away from the push pin plate 20. The elastic member 50 is configured to support the staples 300. The accommodating cavity 60 is directly formed on the first clamping portion 11, thereby reducing the complexity of the product.

[0149] In one embodiment of the present application, the elastic member 50 includes a spring 51 and a support plate 52, the support plate 52 includes a first surface and a second surface arranged opposite to each other, the spring 51 is supported between the first surface of the support plate 52 and the cavity wall of the accommodating cavity 60, and the anastomosis staple 300 is arranged on the second surface.

[0150] The structure of the elastic member 50 ensures that the elastic member 50 can effectively apply the stored elastic force to the staples 300 , thereby ensuring reliable use of the product.

[0151] In one embodiment of the present application, a first guide structure 521 is provided on the support plate 52 , and a second guide structure 61 that matches the first guide structure 521 is provided on the cavity wall of the accommodating cavity 60 .

[0152] One of the first guide structure 521 and the second guide structure 61 is a sliding hole, and the other is a slider, which can slide in the sliding hole.

[0153] The first guide structure 521 and the second guide structure 61 guide and limit the movement direction of the support plate 52, ensuring that the support plate 52 moves accurately along the predetermined trajectory and direction, preventing deviation or misalignment. This helps reduce shaking and errors during movement, and improves the overall movement accuracy. Furthermore, the first guide structure 521 and the second guide structure 61 ensure smoother movement of the support plate 52, preventing jamming or obstruction.

[0154] like Figures 1 to 31 As shown, the suturing device provided by the embodiment of the second aspect of the present application includes the above-mentioned staple releasing device 100 and the staple 300 .

[0155] The staples 300 are arranged in the accommodating cavity 60 of the staple releasing device 100, and the push pin plate 20 of the staple releasing device 100 is stacked with the staples 300 in the axial direction of the through hole 13 of the staple releasing device 100. The push pin plate 20 can push the staples 300 out of the accommodating cavity 60, and the staples 300 pushed out of the accommodating cavity 60 are squeezed and deformed.

[0156] The suturing device provided in the present application enables the staples 300 to penetrate thicker human tissue, thereby increasing the scope of application of the product and enabling the product to be used in more surgical scenarios. At the same time, the product enables the staples 300 to penetrate human tissue more effectively, thereby ensuring the effectiveness and reliability of the product's suturing.

[0157] In one embodiment of the present application, there are one or more staples 300. A plurality of staples 300 are stacked to form a staple assembly.

[0158] The staples are arranged in the needle box 40 of the staple releasing device 100 . The staples 300 and the needle box 40 constitute a suturing assembly. The suturing assembly is detachably mounted on the first clamping portion 11 of the staple releasing device 100 .

[0159] When the staples 300 in the needle box 40 are used up, the needle box 40 can be directly disassembled and replaced with a new suturing assembly, thereby achieving a quick replacement of the staples 300.

[0160] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A staple releasing device, characterized in that: The staple releasing device comprises: a main body, a first clamping portion and a second clamping portion symmetrically provided on the main body, a gap being formed between the first clamping portion and the second clamping portion, a through hole being provided on the main body, the through hole being provided at a position corresponding to the gap, the through hole being configured to cooperate with an endoscope, the first clamping portion having a receiving portion and a limiting portion, the receiving portion being located at an end of the first clamping portion away from the main body and being adjacent to the second clamping portion, the receiving portion being configured to receive a staple; a pin pusher plate, the pin pusher plate being arranged adjacent to the main body and stacked with the accommodating cavity for assembling staples in the axial direction of the through hole, and the accommodating cavity being located above the pin pusher plate, the pin pusher plate being configured to push the staples out of the accommodating cavity, the accommodating portion and the limiting portion being arranged side by side along the moving direction of the pin pusher plate; and A drive assembly is provided on the first clamping portion and is capable of moving relative to the first clamping portion. The drive assembly is connected to the push pin plate. The drive assembly is configured to drive the push pin plate to move. In the axial direction of the through hole, the drive assembly is located below the push pin plate.

2. The staple releasing device according to claim 1, characterized in that: In the movement direction of the push pin plate, the push pin plate is provided with a first meshing tooth; The driving assembly includes: a rotating member, the rotating member is provided on the first clamping portion and can rotate relative to the first clamping portion, the rotating member is provided with second meshing teeth that match the first meshing teeth; and A control cable is connected to the rotating member, and the control cable is configured to drive the rotating member to rotate relative to the first clamping portion.

3. The staple releasing device according to claim 2, characterized in that: The rotating member includes a rotating body and a connecting frame, the connecting frame is connected to the rotating body, and the rotating body is provided with the second meshing teeth; The connecting frame includes a first connecting arm, a second connecting arm and a third connecting arm connected in sequence, the first connecting arm and the third connecting arm are located on the same side of the second connecting arm, and the first connecting arm and the third connecting arm are respectively located on both sides of the rotating body; The control cable is connected to the second connecting arm.

4. The staple releasing device according to claim 2, characterized in that: The rotating member includes a rotating body and a connecting member, the connecting member is connected to the rotating body, and the rotating body is provided with the second meshing teeth; The connecting member is provided with an annular groove, and the control cable is coiled in the annular groove.

5. The staple releasing device according to claim 2, characterized in that: The first clamping portion is provided with a through slot running through it, and the rotating member is arranged in the through slot.

6. The staple releasing device according to claim 2, characterized in that: The main body is provided with an avoidance groove, which extends along the axial direction of the through hole, and a portion of the control cable is located in the avoidance groove.

7. The staple releasing device according to claim 1, characterized in that: The receiving portion is a connecting structure configured to install anastomosis staples.

8. The staple releasing device according to claim 7, characterized in that: The staple releasing device further includes: a needle box detachably mounted on the accommodating portion, the needle box having the accommodating cavity for assembling the staples; and An elastic member is disposed in the accommodating cavity and located on a cavity wall of the accommodating cavity away from the push pin plate. The elastic member is configured to support the anastomosis staple.

9. The staple releasing device according to claim 1, characterized in that: The accommodating portion is the accommodating cavity for assembling the staples formed by part of the first clamping portion; The staple releasing device further includes an elastic member, which is disposed in the accommodating cavity and located on a cavity wall of the accommodating cavity away from the push pin plate, and is configured to support the staples.

10. The staple releasing device according to claim 8 or 9, characterized in that: The elastic member includes a spring and a support plate. The support plate includes a first surface and a second surface arranged opposite to each other. The spring is supported between the first surface of the support plate and the cavity wall of the accommodating cavity. The anastomosis staple is arranged on the second surface.

11. The staple releasing device according to claim 10, characterized in that: The support plate is provided with a first guide structure, and the cavity wall of the accommodating cavity is provided with a second guide structure that matches the first guide structure; One of the first guide structure and the second guide structure is a sliding hole, and the other is a sliding block, and the sliding block can slide in the sliding hole.

12. The staple releasing device according to any one of claims 1 to 9, characterized in that: The clamping portion is movable relative to the main body, and the clamping portion includes the first clamping portion and / or the second clamping portion; The staple releasing device further includes a control assembly connected to the clamping portion, and the control assembly is configured to control the clamping portion to move relative to the main body.

13. The staple releasing device according to claim 12, wherein: The clamping portion includes: a rotating arm, the rotating arm is provided on the main body and can rotate relative to the main body, one end of the rotating arm is connected to the control assembly; and A clamping portion is connected to the other end of the rotating arm, and the accommodating portion is provided on the clamping portion.

14. The staple releasing device according to claim 12, wherein: The clamping portion is provided with a third guide structure, and the main body is provided with a fourth guide structure, one of the third guide structure and the fourth guide structure is a slide groove, and the other is a slide rail, and the slide rail can slide in the slide groove to enable the clamping portion to slide in a straight line relative to the main body; The clamping portion includes the first clamping portion and / or the second clamping portion.

15. The staple releasing device according to claim 14, characterized in that: The clamping portion is provided with a first transmission tooth; The control assembly includes: a rotating transmission member, the rotating transmission member being disposed on the main body and capable of rotating relative to the main body, the rotating transmission member being provided with a second transmission tooth that cooperates with the first transmission tooth, the rotating transmission member being configured to drive the clamping portion to move relative to the main body; and A first control member is connected to the rotation transmission member, and the first control member is configured to control the rotation transmission member to rotate relative to the main body.

16. The staple releasing device according to claim 14, characterized in that: The control assembly includes: a transmission rod, the transmission rod being provided on the main body and being rotatable relative to the main body, one end of the transmission rod being connected to the clamping portion, the transmission rod being configured to drive the clamping portion to move relative to the main body; and A second control member is connected to the other end of the transmission rod, and the second control member is configured to control the transmission rod to rotate relative to the main body.

17. The staple releasing device according to any one of claims 1 to 9, characterized in that: The first clamping portion and the second clamping portion are fixedly connected to the main body; or The first clamping portion, the second clamping portion and the main body are an integrated structure.

18. A suturing device, characterized in that: include: The staple releasing device according to any one of claims 1 to 17; as well as The anastomosis staple is arranged in the accommodating cavity of the anastomosis staple releasing device, and the push pin plate of the anastomosis staple releasing device is stacked with the anastomosis staple in the axial direction of the through hole of the anastomosis staple releasing device, and the push pin plate can push the anastomosis staple out of the accommodating cavity, and the anastomosis staple pushed out of the accommodating cavity is squeezed and deformed.

19. The suturing device according to claim 18, characterized in that The number of the staples is one or more, and the staples are arranged in a needle box of the staple releasing device. The staples and the needle box constitute a suturing assembly, and the suturing assembly is detachably mounted on the first clamping portion of the staple releasing device.

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