A staple gun capable of automatically adjusting the spacing and height of staples

Abstract

The present invention discloses a nail gun capable of automatically adjusting the spacing and height of staples, belonging to the technical field of medical devices, comprising a gun body and a gun barrel installed on the gun body, wherein a nail magazine seat is installed on one end of the gun barrel away from the gun body through a connecting piece, a nail anvil is movably connected to the nail magazine seat, a groove is provided on the nail magazine seat, and a staple assembly can be conveniently installed in position through the arranged nail magazine seat, and then during use, the position of the staple seat in the staple assembly can be adjusted through the arranged staple spacing adjustment mechanism, so that the spacing between the staple loading ports can be adjusted, and then the staple height adjustment mechanism can be pushed out of the staple loading ports through the arranged push rod, and the arranged staple height adjustment mechanism can adjust the height of the staple when being pushed, so that the staples can be conveniently pushed out to different heights, so that the nail gun realizes the function of automatically adjusting the spacing and height of the staples.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, in particular to a staple gun capable of automatically adjusting the spacing and height of staples. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software. Medical devices include medical equipment and medical consumables. With the development of science and technology, when performing gastrointestinal surgery in the medical field, in order to facilitate suturing, staple guns that use staples for suturing are used.

[0003] The existing staple guns in use are capable of performing automatic suturing operations, but lack the function of automatically adjusting the spacing and height of the sutures between the staples, thereby reducing the functionality of the staple gun, resulting in the suture positions between the staples being too fixed and being unable to meet the requirements of position fine-tuning operations and staple height adjustment. In order to solve the above-mentioned problems, a staple gun that can automatically adjust the spacing and height of the staples is proposed. Summary of the invention

[0004] The object of the present invention is to provide a nail gun that can automatically adjust the spacing and height of staples. The staple magazine seat is provided to facilitate the installation of the position of the staple assembly. Subsequently, during use, the position of the staple seat in the staple assembly can be adjusted by the staple spacing adjustment mechanism, so that the spacing between the staple ports can be adjusted. Subsequently, the staple height adjustment mechanism is pushed by the push rod to push the staples out of the staple ports. The staple height adjustment mechanism can adjust the height of the staples when pushed, so that the staples can be pushed out to different heights. The nail gun can realize the function of automatically adjusting the spacing and height of the staples, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a nail gun capable of automatically adjusting the spacing and height of staples, comprising a gun body and a gun barrel installed on the gun body, wherein a staple magazine seat is installed at one end of the gun barrel away from the gun body through a connecting piece, a staple magazine seat is movably connected to a staple anvil, a groove is provided on the nail magazine seat, a staple assembly is arranged in the groove of the nail magazine seat, a staple spacing adjustment mechanism is arranged at one end of the staple assembly, a staple height adjustment mechanism used in conjunction with the staple assembly is arranged at one end of the nail magazine seat in the groove, and a push rod used in conjunction with the gun body is fixedly connected to one side of the staple height adjustment mechanism.

[0006] Preferably, the stapler assembly comprises a connecting seat and a stapler seat, the connecting seat is clamped in the groove of the staple magazine seat, a movable groove is provided at one end of the connecting seat, the staple spacing adjustment mechanism is arranged in the movable groove, the stapler seat is installed on the surface of the connecting seat, one end of the stapler seat is fixedly connected to the staple spacing adjustment mechanism, a staple loading port is provided on the stapler seat, and a sliding module is provided at the joint between the bottom of the stapler seat and the connecting seat.

[0007] Preferably, the stapler spacing adjustment mechanism includes a first micromotor, which is installed in a movable groove, the output shaft of the first micromotor is connected to a driving gear, the surface of the driving gear is meshed with a driven gear, the inner cavity of the driven gear is fixedly connected to a bidirectional threaded rod, both ends of the bidirectional threaded rod are rotatably connected in the movable groove, both ends of the bidirectional threaded rod are threadedly connected to a first threaded sleeve, a moving block is fixedly connected to the first threaded sleeve, the moving block is slidably connected in the movable groove, and the outer end of the moving block is fixedly connected to one end of the staple seat.

[0008] Preferably, the sliding module comprises a limiting block and a limiting groove, wherein the limiting block is fixed on the surface of the connecting seat, and the limiting groove is formed on the lower surface of the nail seat and corresponds to the position of the limiting block.

[0009] Preferably, the stapler height adjustment mechanism includes a moving seat, an inner cavity of the moving seat is provided with a driving assembly, a lifting rod is fixedly connected to the top of the driving assembly, a sliding sleeve is embedded in a position on the moving seat corresponding to the lifting rod, the lifting rod passes through the sliding sleeve and extends upward and is fixedly connected to a top plate, a dividing knife is installed at the center of the top of the top plate, and one end of the top plate is connected to an inclined plate.

[0010] Preferably, the driving assembly includes a second micromotor, which is installed in the inner cavity of the moving seat, the output shaft of the second micromotor is fixedly connected to a worm, the surface of the worm is meshed with a worm wheel, the inner cavity of the worm wheel is fixedly connected to a lead screw, both ends of the lead screw are rotatably connected to the inner cavity of the moving seat, the surface of the lead screw is threadedly connected to a second threaded sleeve, the surface of the second threaded sleeve is fixedly connected to a lifting plate, and the lower end of the lifting rod is fixed to the lifting plate.

[0011] Preferably, a sliding seat is fixedly connected to one side of the top plate which is symmetrical to the inclined plate, and a sliding groove is provided at a position on the movable seat which corresponds to the sliding seat.

[0012] Preferably, a protective cover is embedded around the lifting plate, and a positioning rod is movably connected to the inner cavity of the protective cover.

[0013] Preferably, a plurality of drainage grooves are provided at the edges of both sides of the top of the nail seat, and the outer end of the connecting seat is arranged in a beveled surface.

[0014] Preferably, a spring is sleeved on the upper end of the positioning rod, the upper end of the spring is fixed on the moving seat, and the lower end of the spring is fixed on the lifting plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention provides a nail gun capable of automatically adjusting the spacing and height of staples. The staple assembly can be conveniently installed in position by means of a provided staple magazine seat. Subsequently, during use, the position of the staple seat in the staple assembly can be adjusted by means of a provided staple spacing adjustment mechanism, thereby adjusting the spacing between staple loading openings. Subsequently, the staple height adjustment mechanism can be pushed out of the staple loading openings by means of a provided push rod. The provided staple height adjustment mechanism can adjust the height of the staples when pushed, thereby facilitating the pushing of the staples to different heights, so that the nail gun can realize the function of automatically adjusting the spacing and height of the staples.

[0017] Other features and advantages of the present invention will be described in the following description, and partly become obvious from the description, or be understood by implementing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a partial schematic diagram of the gun barrel and staple assembly structure of the present invention;

[0020] Figure 3 It is a schematic structural diagram of a staple cartridge seat, a staple assembly and a staple height adjustment mechanism of the present invention;

[0021] Figure 4 It is a partial schematic diagram of the structure of the stapler assembly of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the staple cartridge seat and the staple height adjustment mechanism of the present invention;

[0023] Figure 6 It is a partial cross-sectional schematic diagram of the structure of the connecting seat, the staple seat and the staple spacing adjustment mechanism of the present invention;

[0024] Figure 7 It is a partial cross-sectional schematic diagram of the structure of the staple height adjustment mechanism of the present invention;

[0025] Figure 8 It is a schematic diagram of the nail seat structure of the present invention;

[0026] Fig. 9For the present invention Figure 7 A schematic diagram of the enlarged structure in the middle.

[0027] Numbers in the figure: 1, gun body; 2, gun barrel; 3, nail magazine seat; 4, nail anvil; 5, staple assembly; 51, connecting seat; 52, nail seat; 53, movable groove; 54, staple port; 55, sliding module; 551, limit block; 552, limit groove; 6, staple spacing adjustment mechanism; 61, first micro motor; 62, driving gear; 63, driven gear; 64, bidirectional threaded rod; 65, first threaded sleeve; 66, moving block; 7, Staple height adjustment mechanism; 71, moving seat; 72, driving assembly; 721, second micro motor; 722, worm; 723, worm wheel; 724, lead screw; 725, second threaded sleeve; 726, lifting plate; 73, lifting rod; 74, sliding sleeve; 75, top plate; 76, dividing knife; 77, tilting plate; 8, push rod; 9, sliding seat; 10, sliding groove; 11, protective cover; 12, positioning rod; 13, drainage groove; 14, spring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The present invention provides Figures 1 to 9 The nail gun shown in the figure can automatically adjust the spacing and height of staples, including a gun body 1 and a gun barrel 2 installed on the gun body 1, the end of the gun barrel 2 away from the gun body 1 is installed with a staple cartridge seat 3 through a connecting piece, the staple cartridge seat 3 is movably connected with a staple anvil 4, a groove is provided on the staple cartridge seat 3, a staple assembly 5 is arranged in the groove of the staple cartridge seat 3, one end of the staple assembly 5 is provided with a staple spacing adjustment mechanism 6, one end of the staple cartridge seat 3 in the groove is provided with a staple height adjustment mechanism 7 used in conjunction with the staple assembly 5, one side of the staple height adjustment mechanism 7 is fixedly connected with a push rod 8 used in conjunction with the gun body 1, through the cooperation of the provided staple assembly 5, the staple spacing adjustment mechanism 6 and the staple height adjustment mechanism 7, the nail gun can realize the function of automatically adjusting the spacing and height of staples.

[0030] The staple assembly 5 includes a connecting seat 51 and a staple seat 52. The connecting seat 51 is clamped in the groove of the staple magazine seat 3. A movable groove 53 is provided at one end of the connecting seat 51. The staple spacing adjustment mechanism 6 is arranged in the movable groove 53. The staple seat 52 is installed on the surface of the connecting seat 51. One end of the staple seat 52 is fixedly connected to the staple spacing adjustment mechanism 6. A staple loading opening 54 is provided on the staple seat 52. A sliding module 55 is provided at the joint between the bottom of the staple seat 52 and the connecting seat 51. By setting the connection seat 51, the staple seat 52 and the staple loading opening 54 are matched, the installation of the staples can be facilitated. Subsequently, the movable groove 53 provided on the connecting seat 51 is convenient for installing the staple spacing adjustment mechanism 6, so that the spacing between the staple seats 52 can be driven to adjust, so that the spacing between the staple loading openings 54 can be adjusted.

[0031] The staple spacing adjustment mechanism 6 includes a first micro motor 61, which is installed in the movable groove 53. The output shaft of the first micro motor 61 is connected to a driving gear 62, and the surface of the driving gear 62 is meshed with a driven gear 63. The inner cavity of the driven gear 63 is fixedly connected to a bidirectional threaded rod 64. Both ends of the bidirectional threaded rod 64 are rotatably connected in the movable groove 53. Both ends of the bidirectional threaded rod 64 are threadedly connected to a first threaded sleeve 65. A moving block 66 is fixedly connected to the first threaded sleeve 65. The moving block 66 is located in the movable groove 53 and is slidably connected. The outer end of the moving block 66 is fixedly connected to one end of the staple seat 52. The driving force is provided by the first micro motor 61. By setting the cooperation of the driving gear 62 and the driven gear 63, the driving force of the first micro motor 61 can be transmitted to the bidirectional threaded rod 64, driving the bidirectional threaded rod 64 to rotate. Then, by setting the cooperation of the first threaded sleeve 65 and the moving block 66, the position of the staple seat 52 on the connecting seat 51 can be adjusted, so that the spacing between the staples is adjusted.

[0032] The sliding module 55 includes a limit block 551 and a limit groove 552. The limit block 551 is fixed on the surface of the connecting seat 51. The limit groove 552 is opened on the lower surface of the nail seat 52 and corresponds to the position of the limit block 551. Through the cooperation of the limit block 551 and the limit groove 552, a limit effect can be provided for the moving position of the nail seat 52 on the connecting seat 51, thereby enhancing the stability of the nail seat 52 when moving.

[0033] The staple height adjustment mechanism 7 includes a moving seat 71, the inner cavity of the moving seat 71 is provided with a driving assembly 72, the top of the driving assembly 72 is fixedly connected to a lifting rod 73, a sliding sleeve 74 is embedded in the position corresponding to the lifting rod 73 on the moving seat 71, the lifting rod 73 passes through the sliding sleeve 74 and extends upward and is fixedly connected to a top plate 75, a dividing knife 76 is installed at the center of the top of the top plate 75, and one end of the top plate 75 is connected to an inclined plate 77. The driving assembly 72 is provided to provide a driving force, which can drive the lifting rod 73 on the moving seat 71 to adjust its height, so that the lifting rod 73 drives the top plate 75 to adjust the height of the staples.

[0034] The driving assembly 72 includes a second micro motor 721, which is installed in the inner cavity of the moving seat 71. The output shaft of the second micro motor 721 is fixedly connected to a worm 722, and the surface of the worm 722 is meshed with a worm wheel 723. The inner cavity of the worm wheel 723 is fixedly connected to a screw 724. Both ends of the screw 724 are rotatably connected to the inner cavity of the moving seat 71. The surface of the screw 724 is threadedly connected to a second threaded sleeve 725, and the surface of the second threaded sleeve 725 is fixedly connected to a lifting plate 726. The lower end of the lifting rod 73 is fixed on the lifting plate 726. The driving force is provided by the second micro motor 721. By setting the cooperation between the worm 722 and the worm wheel 723, the driving force of the second micro motor 721 can be transmitted to the screw 724, driving the screw 724 to rotate. Then, through the cooperation of the second threaded sleeve 725, the lifting plate 726 can be driven to be lifted and lowered on the screw 724, so that the height of the lifting rod 73 can be adjusted.

[0035] A slide seat 9 is fixedly connected to one side of the top plate 75 which is symmetrical to the inclined plate 77, and a slide groove 10 is provided at a position corresponding to the slide seat 9 on the movable seat 71. Through the cooperation of the slide seat 9 and the slide groove 10, a limited sliding can be provided for the lifting and lowering position of the top plate 75.

[0036] A protective cover 11 is embedded around the lifting plate 726, and a positioning rod 12 is movably connected to the inner cavity of the protective cover 11. By cooperating with the protective cover 11 and the positioning rod 12, a limiting effect can be provided on the lifting position of the lifting plate 726.

[0037] A plurality of drainage grooves 13 are provided at the edges of both sides of the top of the nail seat 52. The outer end of the connecting seat 51 is arranged with an inclined surface. The drainage grooves 13 are arranged to facilitate the liquid produced when the nail anvil 4 is pressed onto the gastrointestinal component to be discharged from the anastomosis nail component 5.

[0038] The upper end of the positioning rod 12 is sleeved with a spring 14, the upper end of the spring 14 is fixed on the moving seat 71, and the lower end of the spring 14 is fixed on the lifting plate 726. The spring 14 can provide a buffering effect between the lifting plate 726 and the inside of the moving seat 71 when it rises.

[0039] In specific use, when suturing the gastrointestinal tissue, the doctor can adjust the spacing and height between the staples according to the sutured tissue, and provide a driving force through the first micro motor 61, and through the cooperation of the driving gear 62 and the driven gear 63, the driving force of the first micro motor 61 can be transmitted to the bidirectional threaded rod 64, driving the bidirectional threaded rod 64 to rotate, and then through the cooperation of the first threaded sleeve 65 and the moving block 66, the position of the staple holder 52 on the connecting seat 51 can be adjusted so that the spacing between the staples is 1 / 4 of the staples. The spacing is adjusted, and the second micro motor 721 is provided to provide driving force. By setting the cooperation between the worm 722 and the worm wheel 723, the driving force of the second micro motor 721 can be transmitted to the screw rod 724, driving the screw rod 724 to rotate, and then through the cooperation of the second threaded sleeve 725, the lifting plate 726 can be driven to be raised and lowered on the screw rod 724, so that the height of the staples can be adjusted by driving the top plate 75 through the lifting rod 73, so that the staple gun can realize the function of automatically adjusting the spacing and height of the staples.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A staple gun capable of automatically adjusting the spacing and height of staples, comprising a gun body (1) and a gun barrel (2) mounted on the gun body (1), characterized in that: A nail magazine seat (3) is installed at one end of the gun barrel (2) away from the gun body (1) through a connecting piece, and a nail anvil (4) is movably connected to the nail magazine seat (3). A groove is provided on the nail magazine seat (3), and a staple assembly (5) is arranged in the groove of the nail magazine seat (3). A staple spacing adjustment mechanism (6) is arranged at one end of the staple assembly (5), and a staple height adjustment mechanism (7) used in conjunction with the staple assembly (5) is arranged at one end in the groove of the nail magazine seat (3). A push rod (8) used in conjunction with the gun body (1) is fixedly connected to one side of the staple height adjustment mechanism (7).

2. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 1, characterized in that: The staple assembly (5) comprises a connecting seat (51) and a staple seat (52), wherein the connecting seat (51) is clamped in a groove of a staple magazine seat (3), one end of the connecting seat (51) is provided with a movable groove (53), the staple spacing adjustment mechanism (6) is arranged in the movable groove (53), the staple seat (52) is installed on the surface of the connecting seat (51), one end of the staple seat (52) is fixedly connected to the staple spacing adjustment mechanism (6), a staple loading opening (54) is provided on the staple seat (52), and a sliding module (55) is arranged at the joint between the bottom of the staple seat (52) and the connecting seat (51).

3. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 1, characterized in that: The staple spacing adjustment mechanism (6) comprises a first micro motor (61), the first micro motor (61) is installed in the movable groove (53), the output shaft of the first micro motor (61) is connected to a driving gear (62), the surface of the driving gear (62) is meshed with a driven gear (63), the inner cavity of the driven gear (63) is fixedly connected to a bidirectional threaded rod (64), the two ends of the bidirectional threaded rod (64) are rotatably connected in the movable groove (53), the two ends of the bidirectional threaded rod (64) are threadedly connected to a first threaded sleeve (65), the first threaded sleeve (65) is fixedly connected to a moving block (66), the moving block (66) is slidably connected in the movable groove (53), and the outer end of the moving block (66) is fixedly connected to one end of the staple seat (52).

4. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 2, characterized in that: The sliding module (55) comprises a limit block (551) and a limit groove (552), wherein the limit block (551) is fixed on the surface of the connecting seat (51), and the limit groove (552) is formed on the lower surface of the nail seat (52) and corresponds to the position of the limit block (551).

5. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 1, characterized in that: The staple height adjustment mechanism (7) comprises a movable seat (71), an inner cavity of the movable seat (71) is provided with a driving assembly (72), a top of the driving assembly (72) is fixedly connected with a lifting rod (73), a sliding sleeve (74) is embedded at a position on the movable seat (71) corresponding to the lifting rod (73), the lifting rod (73) passes through the sliding sleeve (74) and extends upward to be fixedly connected with a top plate (75), a dividing knife (76) is installed at the center of the top of the top plate (75), and one end of the top plate (75) is connected with an inclined plate (77).

6. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 5, characterized in that: The driving assembly (72) comprises a second micro motor (721), the second micro motor (721) is installed in the inner cavity of the moving seat (71), the output shaft of the second micro motor (721) is fixedly connected to a worm (722), the surface of the worm (722) is meshed with a worm wheel (723), the inner cavity of the worm wheel (723) is fixedly connected to a screw rod (724), both ends of the screw rod (724) are rotatably connected to the inner cavity of the moving seat (71), the surface of the screw rod (724) is threadedly connected to a second threaded sleeve (725), the surface of the second threaded sleeve (725) is fixedly connected to a lifting plate (726), and the lower end of the lifting rod (73) is fixed on the lifting plate (726).

7. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 6, characterized in that: A sliding seat (9) is fixedly connected to one side of the top plate (75) which is symmetrical to the inclined plate (77), and a sliding groove (10) is provided at a position on the movable seat (71) corresponding to the sliding seat (9).

8. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 7, characterized in that: A protective sleeve (11) is embedded around the lifting plate (726), and a positioning rod (12) is movably connected to the inner cavity of the protective sleeve (11).

9. A staple gun capable of automatically adjusting the spacing and height of staples according to claim 2, characterized in that: A plurality of drainage grooves (13) are provided at the edges of both sides of the top of the nail seat (52), and the outer end of the connecting seat (51) is arranged in a beveled surface.

10. The staple gun capable of automatically adjusting the spacing and height of staples according to claim 8, characterized in that: The upper end of the positioning rod (12) is sleeved with a spring (14), the upper end of the spring (14) is fixed on the moving seat (71), and the lower end of the spring (14) is fixed on the lifting plate (726).

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