CN109431568B - Auxiliary device for anastomat and anastomat - Google Patents
Auxiliary device for anastomat and anastomat Download PDFInfo
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- CN109431568B CN109431568B CN201811548301.2A CN201811548301A CN109431568B CN 109431568 B CN109431568 B CN 109431568B CN 201811548301 A CN201811548301 A CN 201811548301A CN 109431568 B CN109431568 B CN 109431568B
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- extension piece
- auxiliary device
- locking
- extension
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- 230000007246 mechanism Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000003872 anastomosis Effects 0.000 description 12
- 210000003813 thumb Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010019909 Hernia Diseases 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014617 hemorrhoid Diseases 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The invention discloses an auxiliary device for an anastomat and the anastomat, and belongs to the technical field of medical appliances. The auxiliary device comprises the first extension piece, the second extension piece and the locking assembly, the first extension piece and the second extension piece are rotationally connected, the angle between the first extension piece and the second extension piece can be adjusted according to the position and the operation angle of the purse-string, the improvement of the operation effect and the operation efficiency of the purse-string operation is facilitated, the operation difficulty of the purse-string operation is reduced, and the locking assembly is arranged, so that the angle between the first extension piece and the second extension piece can be locked when the purse-string operation is executed, and the stability and the safety in the purse-string operation process are facilitated to be improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an auxiliary device for an anastomat and the anastomat.
Background
The anastomat is a device used for replacing manual suturing of doctors in medical science, and mainly comprises a nail seat and an operating handle, wherein the nail seat is mainly used for completing purse-string operation, and the operating handle is convenient for the doctors to hold. The anastomat has the advantages of reliable quality, convenient and tight use, proper tightness, high suture speed, simple operation, safety, sanitation and the like. According to different application occasions, the existing anastomat can be divided into a skin anastomat, a digestive tract circular anastomat, a rectum anastomat, a circular hemorrhoid anastomat, a circumcision anastomat, a blood vessel anastomat and a hernia anastomat.
In performing certain procedures, such as digestive tract procedures, it is often necessary to use an extension as an aid to the stapler for ease of handling by the physician. Most of the existing extension pieces are linear plastic rods, a nail seat is fixed at one end of the extension piece, and a doctor holds the other end of the extension piece by hand during operation and sends the nail seat to a target position for purse-string operation. However, the extension piece is linear and can not be bent, so that the extension piece is used for conveying the nail seat, and the direction and the position of the nail seat are regulated, so that the effect and the efficiency of binding the purse are seriously affected.
Disclosure of Invention
The invention aims to provide an auxiliary device for a anastomat and the anastomat, which are used for solving the problems that a linear extension piece has limitation in adjusting the direction and the position of a nail seat, the operation effect is poor and the operation efficiency is low.
To achieve the purpose, the invention adopts the following technical scheme:
an auxiliary device for a stapler comprises a first extension piece, a second extension piece and a locking assembly;
one end of the first extension piece is rotationally connected with one end of the second extension piece;
the locking assembly is configured to have a first position in which the first and second elongate members are in a rotatable state and a second position in which the first and second elongate members are in a fixed state.
Preferably, one end of the first extension piece is rotatably provided with a first gear, one end of the second extension piece is fixedly connected with a second gear, the second gear is rotatably arranged at one end of the first extension piece, and the first gear is meshed with the second gear.
Preferably, the locking assembly comprises a first lock gear, a second lock gear and a locking driving mechanism, wherein the second lock gear is arranged on the second extension piece, and the first lock gear is meshed with or separated from the second lock gear under the action of the locking driving mechanism.
Preferably, the lock driving mechanism includes a pressing lever located inside the first extension member, the first lock gear is provided on the pressing lever, and the pressing lever is configured to be movable in an axial direction of the first extension member to engage or disengage the first lock gear with or from the second lock gear.
Preferably, the lock driving mechanism further includes:
the elastic lock hook is connected with the pressing rod at one end and provided with a clamping hook at the other end, and the clamping hook is configured to be clamped with a clamping groove on the first extension piece;
the unlocking component can drive the clamping hook to be separated from the clamping groove;
and the elastic body is sleeved on the pressing rod and is used for providing power for the separation of the first lock gear and the second lock gear.
Preferably, the unlocking component comprises an elastic unlocking button, the elastic unlocking button is arranged outside the first extension piece, one end of the elastic unlocking button is connected with the first extension piece, the other end of the elastic unlocking button is provided with an unlocking block, the unlocking block is opposite to the clamping groove, and the unlocking block is configured to drive the clamping hook to be separated from the clamping groove.
Preferably, the auxiliary device for a stapler further comprises:
the pressing elastic element is positioned above the first gear, one end of the pressing elastic element is fixed on the first extension piece, and the other end of the pressing elastic element is abutted against the first gear.
Preferably, the auxiliary device for a stapler further comprises:
the third gear is connected to the first extension piece in a rotating mode, the third gear is connected with the first gear in a transmission mode, the third gear is meshed with the rack, and the rack is configured to be capable of moving along the axis direction of the first extension piece.
Preferably, the locking assembly comprises a rotary lock tooth provided circumferentially with an arcuate gear tooth segment configured to selectively engage or disengage the rack.
Preferably, the locking assembly further comprises:
the wheel-pulling switch is rotationally connected in the first extension piece, part of the wheel-pulling switch protrudes out of a switch groove on the first extension piece, and the wheel-pulling switch is in transmission connection with the rotary lock teeth and used for driving the rotary lock teeth to rotate.
Preferably, the dial wheel switch comprises a dial disc and a fourth gear which are coaxially arranged, the diameter of the dial disc is larger than that of the fourth gear, the dial disc protrudes out of the switch groove, and the fourth gear is in transmission connection with the rotary lock teeth.
Preferably, an anti-slip structure is arranged on the side wall of the poking disc.
Preferably, the anti-slip structure comprises a rubber sleeve and anti-slip patterns, the rubber sleeve and the anti-slip patterns are arranged at intervals along the circumferential direction of the side wall of the poking disc, one of the rubber sleeve and the anti-slip patterns is configured to be meshed with the rack corresponding to the arc gear tooth section, and the other is configured to be separated from the rack corresponding to the arc gear tooth section.
Preferably, the rotary lock tooth comprises a fifth gear and a locking disc which are coaxially arranged, the fifth gear is meshed with the fourth gear, and the locking disc is provided with the arc-shaped gear tooth section.
Preferably, the locking assembly comprises a worm assembly rotatably connected within the first elongate member and engaged with the rack, the worm assembly being configured to drive the rack to move in the direction of the axis of the first elongate member, the worm assembly and the rack being self-locking.
Preferably, the locking assembly further comprises:
the wheel-pulling switch is rotationally connected in the first extension piece, part of the wheel-pulling switch protrudes out of a switch groove on the first extension piece, and the wheel-pulling switch is in transmission connection with the worm assembly and is used for driving the worm assembly to rotate.
Preferably, the dial wheel switch comprises a dial disc and a fourth gear which are coaxially arranged, the diameter of the dial disc is larger than that of the fourth gear, the dial disc protrudes out of the switch groove, and the fourth gear is in transmission connection with the worm assembly.
Preferably, one of the first extension piece and the second extension piece is provided with a rotating groove, and the other is provided with a rotary disk, and the rotary disk is rotatably connected in the rotating groove.
Preferably, the locking assembly includes a plurality of bosses disposed circumferentially about the turntable and ribs disposed on the interior of the rotation slot, the ribs being configured to selectively snap between two adjacent bosses or slide over the bosses.
The anastomat comprises a nail seat and the auxiliary device for the anastomat, wherein the nail seat is detachably connected to the other end of the second extension piece.
Preferably, the nail seat is provided with a clamp spring tube, the clamp spring tube is provided with a clamp spring piece, the clamp spring piece is provided with a clamp protrusion, the other end of the second extension piece is provided with a clamping groove, the other end of the second extension piece is positioned in the clamp spring tube, and the clamp protrusion is clamped with the clamping groove.
The invention has the beneficial effects that:
the invention provides an auxiliary device for a stapler, which can adjust the angle between a first extension piece and a second extension piece according to the position and the operation angle of a purse-string, is beneficial to improving the operation effect and the operation efficiency of the purse-string operation and reducing the operation difficulty of the purse-string operation. And through setting up locking subassembly, can be when carrying out the operation of pricking the purse string with the angle locking between first extension piece and the second extension piece, be favorable to improving stability and the security of pricking the purse string in-process.
Drawings
FIG. 1 is a schematic view showing an external structure of an auxiliary device for a stapler according to an embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of an auxiliary device for a stapler according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the portion A in FIG. 2;
FIG. 4 is a schematic view of a second extension member according to a first embodiment of the present invention;
FIG. 5 is a schematic view of the staple holder of the stapler provided by the present invention;
fig. 6 is a schematic external structure of an auxiliary device for a stapler according to a second embodiment of the present invention;
fig. 7 is a schematic view illustrating an internal structure of an auxiliary device for a stapler according to a second embodiment of the present invention;
FIG. 8 is a schematic view of the structure of portion B in FIG. 7;
fig. 9 is a schematic structural diagram of a dial switch according to a second embodiment of the present invention;
fig. 10 is a schematic structural view of a rotary lock tooth according to a second embodiment of the present invention;
fig. 11 is a schematic external structure of an auxiliary device for a stapler according to a third embodiment of the present invention;
fig. 12 is a schematic view illustrating an internal structure of an auxiliary device for a stapler according to a third embodiment of the present invention;
FIG. 13 is a schematic view of the structure of portion C in FIG. 12;
FIG. 14 is a schematic view of a worm assembly provided in accordance with a third embodiment of the invention;
fig. 15 is a schematic view showing an external structure of an auxiliary device for a stapler according to a fourth embodiment of the present invention;
fig. 16 is a schematic structural view of a first extension member according to a fourth embodiment of the present invention;
fig. 17 is a schematic structural view of a second extension member according to a fourth embodiment of the present invention.
In the figure:
1. a first elongate member; 2. a second elongate member; 3. a second gear; 4. a first gear; 5. pressing the elastic element; 6. pressing a pressing rod; 7. a first lock gear; 8. a second lock gear; 9. an elastomer; 10. an elastic latch hook; 11. an elastic unlocking button; 12. a lock knob; 13. a third gear; 14. rotating the lock teeth; 141. a locking plate; 142. a fifth gear; 143. arc gear tooth segments; 15. a rack; 16. a thumb wheel switch; 161. a toggle plate; 162. a fourth gear; 17. a slide block; 18. a worm assembly; 181. a sixth gear; 182. a turbine rod; 19. a rotating groove; 20. convex ribs; 21. a turntable; 22. a boss;
100. an auxiliary device; 200. a nail seat; 210. a clamp spring tube; 220. a card reed.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The embodiment provides an auxiliary device 100 for a stapler, wherein the auxiliary device 100 can enlarge the operation range of the stapler, improve the operation flexibility, the purse-string effect and the operation efficiency of the stapler, and reduce the operation difficulty of the stapler. In particular, as shown in fig. 1 to 4, the auxiliary device 100 includes a first extension member 1, a second extension member 2, and a locking assembly, wherein one end of the first extension member 1 and one end of the second extension member 2 are rotatably connected. The locking assembly is configured to have a first position in which the first and second elongate members 1, 2 are in a rotatable state and a second position in which the first and second elongate members 1, 2 are in a fixed state.
Before the stapler performs the ligation operation, the angle between the first extension piece 1 and the second extension piece 2 needs to be adjusted according to the position of the ligation and the required operation angle. Specifically, the locking assembly is first secured in the first position and the user then causes the first elongate member 1 and the second elongate member 2 to rotate relative to each other, thereby changing the angle between the first elongate member 1 and the second elongate member 2 until the target angle is reached. After the included angle between the first extension piece 1 and the second extension piece 2 reaches the target included angle, the position of the locking assembly is changed, and the locking assembly is driven to move from the first position to the second position, so that the included angle between the first extension piece 1 and the second extension piece 2 is fixed, the included angle between the first extension piece 1 and the second extension piece 2 is prevented from changing in the operation process of the anastomat, and the operation precision, the operation stability and the operation safety of the binding bag are further ensured. In addition, the use of the auxiliary device 100 is also beneficial to improving the operation effect and the operation efficiency of the purse-string operation and reducing the operation difficulty of the purse-string operation.
Specifically, the first extension piece 1 and the second extension piece 2 realize mutual rotation through a gear assembly, and the rotation angle is 0-360 degrees. In this embodiment, the gear assembly comprises a first gear 4 and a second gear 3, the first gear 4 is rotatably disposed on the first extension member 1, the second gear 3 is fixedly connected to the second extension member 2, and the first gear 4 and the second gear 3 are meshed with each other. The first gear 4 may be disposed inside the first extension member 1 or outside the first extension member 1, and in this embodiment, in order to improve the structural compactness, the use safety and the appearance aesthetic property of the auxiliary device 100, a receiving hole is selectively disposed in the first extension member 1 along the axial direction thereof, and in this embodiment, the receiving hole is a through hole and the first gear 4 and the second gear 3 are rotatably connected to the inner wall of the receiving hole. Further, in order to ensure that the first gear 4 and the second gear 3 can be in a stable meshed state, so as to improve the smoothness of the angle adjustment of the first extension piece 1 and the second extension piece 2, a pressing elastic element 5 is further arranged above the first gear 4, one end of the pressing elastic element 5 is fixed on the first extension piece 1, the other end is always in contact with the first gear 4, and the pressing elastic element 5 is always in a compressed state. In the present embodiment, the pressing elastic element 5 is a coil spring.
The locking assembly is capable of locking the relative position between the first elongate member 1 and the second elongate member 2 when the first elongate member 1 and the second elongate member 2 are at a target angle. Specifically, as shown in fig. 2, the locking assembly includes a locking drive mechanism, a first lock gear 7, and a second lock gear 8, the second lock gear 8 being provided on the second elongate member 2, the first lock gear 7 being engaged with or disengaged from the second lock gear 8 by the locking drive mechanism. In this embodiment, the locking driving mechanism includes a pressing rod 6, one end of the pressing rod 6 is provided with a lock knob 12, the other end is connected with a first lock gear 7, and the connection mode may be integrally formed or separately manufactured and then fixedly connected, which is not specifically limited herein, so long as the position between the first lock gear 7 and the pressing rod 6 is ensured to be fixed. The pressing lever 6 is located in the receiving hole of the first extension member 1, and the spin lock button 12 is provided protruding from the top of the receiving hole so that the user presses the pressing lever 6. Of course, other mechanisms than the pressing lever 6, which can drive the first lock gear 7 to move relative to the second lock gear 8, are also applicable to the present embodiment. The second lock gear 8 and the second gear 3 are arranged at the end part of the second extension piece 2 side by side, and the second lock gear 8 and the second gear 3 are concentrically arranged, so that when the second extension piece 2 rotates relative to the first extension piece 1, the second lock gear 8 and the second gear 3 can synchronously rotate.
The second lock gear 8 is located under the first lock gear 7, when the angle between the first extension piece 1 and the second extension piece 2 is adjusted, the first lock gear 7 and the second lock gear 8 are in a separated state, after the angle between the first extension piece 1 and the second extension piece 2 is adjusted to a target angle, a user presses the lock rotation button 12, so that the pressing rod 6 is driven to move downwards, the first lock gear 7 and the second lock gear 8 are meshed, the angle between the first extension piece 1 and the second extension piece 2 is kept fixed, the angle between the first extension piece 1 and the second extension piece 2 is prevented from changing in the operation process, the influence on the accuracy and the stability of the operation is avoided, and the life safety of a patient is threatened.
Further, when the angle between the first and second extension pieces 1 and 2 needs to be adjusted again, the first and second lock gears 7 and 8 need to be unlocked first. In this embodiment, the lock driving mechanism further includes an elastic lock hook 10, an unlocking member, and an elastic body 9. The elastic latch hook 10 is in a hook structure, and specifically includes a first long rod and a hook, one end of the first long rod is connected with the hook, the other end is fixedly connected to the middle part of the pressing rod 6, and an acute angle is formed between the extending direction of the first long rod and the axial direction of the pressing rod 6. The side wall of the first extension piece 1 is provided with a clamping groove, and when the pressing rod 6 is pressed and driven, the clamping hook moves downwards along with the pressing rod 6 and can be clamped in the clamping groove. The unlocking part is an elastic unlocking button 11, the elastic unlocking button 11 is also in a hook-shaped structure, the elastic unlocking button comprises a second long rod and an unlocking block, one end of the second long rod is connected with the unlocking block, the other end of the second long rod is fixedly connected to the outer wall surface of the first extension piece 1, and the unlocking block is opposite to the clamping groove. Because the elastic unlocking button 11 has certain elasticity, pressing the elastic unlocking button 11 can enable the unlocking block to move towards the position close to the clamping groove, and after the unlocking block is contacted with the clamping hook positioned in the clamping groove, the elastic unlocking button 11 is continuously pressed, so that the clamping hook can be ejected out of the clamping groove. Still further, in order to enable the first lock gear 7 and the second lock gear 8 to be completely unlocked, the pressing lever 6 can be reset in time, so that the unlocking of the first lock gear 7 and the second lock gear 8 is completed to perform the next locking. The elastic body 9 is sleeved on the pressing rod 6, the elastic body 9 is preferably a spiral spring, when the first lock gear 7 and the second lock gear 8 are meshed, the spiral spring is in a compressed state, and after the first lock gear 7 and the second lock gear 8 are unlocked, the pressing rod 6 can be driven to move upwards under the action of the restoring force of the spiral spring, so that the pressing rod 6 is restored to the initial position.
The present embodiment also provides an anastomat, which comprises a nail seat 200 and the auxiliary device 100, wherein the nail seat 200 is detachably connected with one end of the second extension piece 2 far away from the first extension piece 1. Specifically, as shown in fig. 5, a snap spring tube 210 is disposed on the nail seat 200, and two snap spring sheets 220 are disposed on the snap spring tube 210, where the two snap spring sheets 220 are symmetrically disposed on the tube wall of the snap spring tube 210 about the central axis of the snap spring tube 210. The end of the second extension piece 2, which is far away from the first extension piece 1, is provided with a clamping groove, the clamping plate 220 is provided with a clamping protrusion, and after the end of the second extension piece 2, which is far away from the first extension piece 1, enters the clamping spring tube 210, the clamping groove and the clamping protrusion are clamped so as to clamp the second extension piece 2. When the stapler is used for carrying out a purse-string operation, the flexibility is high, the operation angle and the position are convenient to control, end-to-end anastomosis, end-to-side anastomosis and side-to-side anastomosis can be realized, the operation effect is good, and the operation efficiency is high.
Example two
The present embodiment provides an auxiliary device 100 for a stapler, as shown in fig. 6 to 8, the auxiliary device 100 comprises a first extension member 1, a second extension member 2 and a locking assembly, wherein one end of the first extension member 1 is rotatably connected with one end of the second extension member 2, and the rotation axis of the rotation of the one end of the first extension member 1 and the second extension member 2 is perpendicular to the plane of the first extension member 1 and the second extension member 2. The locking assembly can be configured to a first position in which the first and second elongate members 1, 2 are in a rotated state and a second position in which the first and second elongate members 1, 2 are in a fixed state.
Specifically, one end of the first extension piece 1 is closed, a groove convenient for a user to hold is formed in the closed end, and a containing hole is formed in the other end along the axis direction and is a blind hole. The second extension piece 2 is a rod-shaped mechanism, and the first extension piece 1 and the second extension piece 2 mutually rotate through a gear assembly, and the rotation angle is 0-360 degrees. In this embodiment, the gear assembly includes, in addition to the first gear 4 and the second gear 3, a third gear 13 and a rack 15 that are engaged with each other, the rack 15 is configured to move along the axial direction of the first elongated member 1, the first gear 4, the second gear 3, and the third gear 13 are all rotatably connected to the inner wall of the accommodating hole of the first elongated member 1, one side of the third gear 13 away from the rack 15 is engaged with the first gear 4, and the first gear 4 is located between the second gear 3 and the third gear 13. The arrangement of the third gear 13 not only can replace the pressing elastic element 5 to improve the meshing stability of the first gear 4 and the second gear 3, but also is convenient to be in transmission connection with the locking assembly, so that the fluency of movement of each part of the whole structure is improved, and mutual interference is avoided. Of course, the number of the third gears 13 may be one, two or more, and is not particularly limited herein.
As shown in fig. 7, in this embodiment, the locking assembly includes a thumb wheel switch 16 and a rotary lock tooth 14, where the thumb wheel switch 16 is in driving connection with the rotary lock tooth 14 for driving the rotary lock tooth 14 to rotate, and the rotary lock tooth 14 is configured to selectively engage with or disengage from the rack 15 during rotation of the rotary lock tooth 14, and when the rotary lock tooth 14 is disengaged from the rack 15, the rack 15 can move up and down in the vertical direction, and when the rotary lock tooth 14 engages with the rack 15, the position of the rack 15 is locked and cannot move up and down any more. And because the end of the rack 15 far away from the rotary lock tooth 14 is meshed with the third gear 13, when the rack 15 moves up and down, the rack 15 can drive the third gear 13 to rotate, so as to drive the first gear 4 and the second gear 3 to rotate in turn. When the second gear 3 rotates, the second extension piece 2 fixedly connected with the second gear 3 can rotate relative to the first extension piece 1, so that the included angle between the first extension piece 1 and the second extension piece 2 is changed. When the included angle between the first extension piece 1 and the second extension piece 2 reaches a target angle, the rotary lock tooth 14 is driven to rotate by the wheel-pulling switch 16, so that the rotary lock tooth 14 is meshed with the rack 15, the position of the rack 15 is locked, the rack 15 cannot move up and down, and at the moment, the included angle between the first extension piece 1 and the second extension piece 2 can be kept fixed.
Specifically, as shown in fig. 9, the dial switch 16 includes a dial 161 and a fourth gear 162 coaxially disposed, and the diameter of the dial 161 is larger than that of the fourth gear 162. As shown in fig. 10, the rotary lock tooth 14 includes a fifth gear 142 and a locking plate 141 coaxially disposed, the fifth gear 142 having a diameter smaller than that of the locking plate 141, arc-shaped tooth segments 143 being provided on a side wall of the locking plate 141, the number of arc-shaped tooth segments 143 being one or more, and when the number of arc-shaped tooth segments 143 is plural, the plurality of arc-shaped tooth segments 143 being disposed on a side wall thereof at intervals in a circumferential direction of the locking plate 141. The dial switch 16 and the rotary lock tooth 14 are both rotatably connected in the accommodating hole of the first extension member 1, and the fourth gear 162 and the fifth gear 142 are engaged. The rotation of the toggle disc 161 can drive the fourth gear 162 to rotate, so as to drive the fifth gear 142 meshed with the fourth gear 162 to rotate, and when the fifth gear 142 rotates, the locking disc 141 can synchronously rotate, so that the arc-shaped gear tooth segment 143 is meshed with or separated from the rack 15 arranged on one side of the rotary lock tooth 14. In order to facilitate the user to rotate the wheel switch 16, a switch slot is provided in the side wall of the first elongate member 1 and a portion of the structure of the dial 161 protrudes out of the switch slot to the outside of the first elongate member 1. The side wall of the dial 161 can be further provided with an anti-slip structure, for example, a rubber sleeve or an anti-slip pattern.
Further, in order to facilitate a user to know whether the arc-shaped gear tooth segment 143 on the locking disc 141 is engaged with or separated from the rack 15 in time when the dial 161 is rotated, the anti-slip structure may be arranged at intervals along the circumference of the dial 161 according to a certain rule, for example, three anti-slip patterns distributed at intervals are circumferentially arranged on the dial 161, each anti-slip pattern corresponds to one arc-shaped gear tooth segment 143 shown in fig. 10, when the anti-slip pattern is rotated, the locking disc 141 is engaged with the rack 15, and when the anti-slip pattern is rotated between the adjacent two anti-slip patterns, the locking disc 141 is separated from the rack 15. Of course, the anti-skid patterns or the rubber sleeves can be used simultaneously, the anti-skid patterns are arranged at intervals along the circumferential direction of the poking disc 161, and a section of rubber sleeve is arranged between two adjacent sections of anti-skid patterns, so that the anti-skid patterns and the rubber sleeves are respectively utilized to represent different states of the locking disc 141 and the rack 15.
When the rack 15 is separated from the locking plate 141, in order to facilitate the user to drive the rack 15 to move up and down, thereby changing the included angle between the first extension member 1 and the second extension member 2, a sliding groove is provided on the side wall of the first extension member 1 opposite to the rack 15, the sliding groove extends along the axial direction of the first extension member 1, a sliding block 17 is provided on the rack 15, the sliding block 17 protrudes out of the sliding groove to the external setting of the first extension member 1, and the user can drive the rack 15 to move up and down along the extending direction of the sliding groove by pulling the sliding block 17. Of course, in other embodiments, the rack 15 may be disposed to protrude from the closed end of the first elongate member 1, and the rack 15 may be moved up and down by pulling the protruding portion of the rack 15. Of course, in other embodiments, instead of providing a separate thumb wheel switch 16, a part of the structure of the rotary lock tooth 14 may be disposed outside the first extension member 1, or a knob may be disposed in the axial direction of the rotary lock tooth 14, so that the arcuate gear tooth segment 143 and the rack 15 may be engaged or disengaged by directly driving the rotary lock tooth 14 or rotating the knob, but the experience of the user is low and the rotary lock tooth 14 is prone to wear.
The present embodiment also provides an anastomat, which comprises a nail seat 200 and the auxiliary device 100, wherein the nail seat 200 is detachably connected with one end of the second extension piece 2 far away from the first extension piece 1. Specifically, as shown in fig. 5, a snap spring tube 210 is disposed on the nail seat 200, and two snap spring sheets 220 are disposed on the snap spring tube 210, where the two snap spring sheets 220 are symmetrically disposed on the tube wall of the snap spring tube 210 about the central axis of the snap spring tube 210. The end of the second extension piece 2, which is far away from the first extension piece 1, is provided with a clamping groove, the clamping plate 220 is provided with a clamping protrusion, and after the end of the second extension piece 2, which is far away from the first extension piece 1, enters the clamping spring tube 210, the clamping groove and the clamping protrusion are clamped so as to clamp the second extension piece 2. When the stapler is used for carrying out a purse-string operation, the flexibility is high, the operation angle and the position are convenient to control, end-to-end anastomosis, end-to-side anastomosis and side-to-side anastomosis can be realized, the operation effect is good, and the operation efficiency is high.
Example III
The present embodiment provides an auxiliary device 100 for a stapler, as shown in fig. 11 to 13, the auxiliary device 100 comprises a first extension member 1, a second extension member 2 and a locking assembly, wherein one end of the first extension member 1 is rotatably connected with one end of the second extension member 2, and the rotation axis of the rotation of the one end of the first extension member 1 and the second extension member 2 is perpendicular to the plane of the first extension member 1 and the second extension member 2. The locking assembly can be configured to a first position in which the first and second elongate members 1, 2 are in a rotated state and a second position in which the first and second elongate members 1, 2 are in a fixed state.
The present embodiment is largely identical to the auxiliary device 100 of the second embodiment in that, instead of rotating the lock tooth 14, a worm assembly 18 is provided between the dial switch 16 and the rack 15, and as shown in fig. 14, the worm assembly 18 includes a sixth gear 181 and a worm gear lever 182 coaxially provided, the sixth gear 181 being engaged with the fourth gear 162, and the worm gear lever 182 being engaged with the rack 15. When the turbo lever 182 is rotated, the rack 15 can be moved up and down, and the direction of rotation of the turbo lever 182 determines the direction of movement of the rack 15, for example, when the turbo lever 182 is rotated forward, the rack 15 is moved downward, and when the turbo lever 182 is rotated in reverse, the rack 15 is moved upward, or when the turbo lever 182 is rotated forward, the rack 15 is moved upward, and when the turbo lever 182 is rotated in reverse, the rack 15 is moved downward. The rack 15 moves up and down to drive the third gear 13 meshed with the rack 15 to rotate, so as to change the included angle between the first extension piece 1 and the second extension piece 2. When the included angle between the first extension piece 1 and the second extension piece 2 is adjusted to a preset angle, the rotation of the wheel-pulling switch 16 can be stopped, so that the turbine rod 182 stops rotating, and at the moment, self-locking can be realized because the turbine rod 182 and the rack 15 are in a meshed state, and the included angle between the first extension piece 1 and the second extension piece 2 cannot be changed any more.
The present embodiment also provides an anastomat, which comprises a nail seat 200 and the auxiliary device 100, wherein the nail seat 200 is detachably connected with one end of the second extension piece 2 far away from the first extension piece 1. Specifically, as shown in fig. 5, a snap spring tube 210 is disposed on the nail seat 200, and two snap spring sheets 220 are disposed on the snap spring tube 210, where the two snap spring sheets 220 are symmetrically disposed on the tube wall of the snap spring tube 210 about the central axis of the snap spring tube 210. The end of the second extension piece 2, which is far away from the first extension piece 1, is provided with a clamping groove, the clamping plate 220 is provided with a clamping protrusion, and after the end of the second extension piece 2, which is far away from the first extension piece 1, enters the clamping spring tube 210, the clamping groove and the clamping protrusion are clamped so as to clamp the second extension piece 2. When the stapler is used for carrying out a purse-string operation, the flexibility is high, the operation angle and the position are convenient to control, end-to-end anastomosis, end-to-side anastomosis and side-to-side anastomosis can be realized, the operation effect is good, and the operation efficiency is high.
Example IV
The present embodiment provides an auxiliary device 100 for a stapler, as shown in fig. 15 to 17, the auxiliary device 100 comprises a first extension member 1, a second extension member 2 and a locking assembly, wherein one end of the first extension member 1 is rotatably connected with one end of the second extension member 2, and the rotation axis of the rotation of the one end of the first extension member 1 and the second extension member 2 is perpendicular to the plane of the first extension member 1 and the second extension member 2. The locking assembly can be configured to a first position in which the first and second elongate members 1, 2 are in a rotated state and a second position in which the first and second elongate members 1, 2 are in a fixed state.
In this embodiment, the first extension 1 and the second extension 2 are no longer rotated by the gear assembly, but are rotated directly by the shaft. Specifically, as shown in fig. 16, a rotation groove 19 is formed at the bottom end of the first extension member 1, the rotation groove 19 is formed penetrating through the bottom ends of the first extension member 1 and the second extension member, and rotation shaft holes are formed at both side walls of the rotation groove 19. As shown in fig. 17, the second extension member 2 is provided with a turntable 21, the turntable 21 has a circular structure, the middle part of the turntable 21 is provided with a rotation shaft hole, the turntable 21 is located in the rotation groove 19, and the rotation shaft penetrates through the rotation shaft holes formed on the side walls of the first extension member 1 and the rotation groove 19 to rotationally connect the first extension member 1 and the second extension member 2.
Further, in the present embodiment, the locking assembly includes a plurality of bosses 22 disposed along the circumference of the turntable 21 and ribs 20 disposed on the sidewalls of the rotating groove 19, and the ribs 20 may be disposed on one of the sidewalls of the rotating groove 19 or on both sidewalls, which is not particularly limited herein. The height of the bosses 22 is not too high so that the ribs 20 can be configured to snap between two adjacent bosses 22 or slide over the bosses 22 under external forces. The number of the ribs 20 is not limited, and may be one or two, the number of the bosses 22 is not limited, and the rotation accuracy of the auxiliary device 100 is set according to the user, and when the number of the bosses 22 is n, the rotation angle is 360 °/n each time. In addition, in order to facilitate the angle adjustment of the first extension piece 1, a groove which is convenient for the user to hold is further arranged in the middle of the first extension piece 1.
The present embodiment also provides an anastomat, which comprises a nail seat 200 and the auxiliary device 100, wherein the nail seat 200 is detachably connected with one end of the second extension piece 2 far away from the first extension piece 1. Specifically, as shown in fig. 5, a snap spring tube 210 is disposed on the nail seat 200, and two snap spring sheets 220 are disposed on the snap spring tube 210, where the two snap spring sheets 220 are symmetrically disposed on the tube wall of the snap spring tube 210 about the central axis of the snap spring tube 210. The end of the second extension piece 2, which is far away from the first extension piece 1, is provided with a clamping groove, the clamping plate 220 is provided with a clamping protrusion, and after the end of the second extension piece 2, which is far away from the first extension piece 1, enters the clamping spring tube 210, the clamping groove and the clamping protrusion are clamped so as to clamp the second extension piece 2. When the stapler is used for carrying out a purse-string operation, the flexibility is high, the operation angle and the position are convenient to control, end-to-end anastomosis, end-to-side anastomosis and side-to-side anastomosis can be realized, the operation effect is good, and the operation efficiency is high.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (17)
1. An auxiliary device for a stapler, characterized by comprising a first extension (1), a second extension (2) and a locking assembly;
one end of the first extension piece (1) is rotationally connected with one end of the second extension piece (2);
the locking assembly is configured to have a first position in which the first and second elongate members (1, 2) are in a rotatable state and a second position in which the first and second elongate members (1, 2) are in a fixed state;
one end of the first extension piece (1) is rotatably provided with a first gear (4), one end of the second extension piece (2) is fixedly connected with a second gear (3), the second gear (3) is rotatably arranged at one end of the first extension piece (1), and the first gear (4) is meshed with the second gear (3);
the locking assembly comprises a first locking gear (7), a second locking gear (8) and a locking driving mechanism, the second locking gear (8) is arranged on the second extension piece (2), and the first locking gear (7) is meshed with or separated from the second locking gear (8) under the action of the locking driving mechanism;
the locking driving mechanism comprises a pressing rod (6), an elastic body (9), an elastic lock hook (10) and an unlocking part, wherein the pressing rod (6) is positioned inside the first extension piece (1), the first lock gear (7) is arranged on the pressing rod (6), and the pressing rod (6) is configured to be capable of moving along the axial direction of the first extension piece (1) so as to enable the first lock gear (7) to be meshed with or separated from the second lock gear (8);
one end of the elastic lock hook (10) is connected with the pressing rod (6), and the other end of the elastic lock hook is provided with a clamping hook which is configured to be clamped with a clamping groove on the first extension piece (1);
the unlocking component can drive the clamping hook to be separated from the clamping groove;
the elastic body (9) is sleeved on the pressing rod (6) and is used for providing power for the separation of the first lock gear (7) and the second lock gear (8).
2. The auxiliary device for a stapler according to claim 1, wherein,
the unlocking component comprises an elastic unlocking button (11), the elastic unlocking button (11) is arranged outside the first extension piece (1), one end of the elastic unlocking button (11) is connected with the first extension piece (1), the other end of the elastic unlocking button is provided with an unlocking block, the unlocking block is opposite to the clamping groove, and the unlocking block is configured to drive the clamping hook to separate from the clamping groove.
3. The auxiliary device for a stapler according to claim 1, further comprising:
the pressing elastic element (5), the pressing elastic element (5) is located above the first gear (4), one end of the pressing elastic element (5) is fixed on the first extension piece (1), and the other end of the pressing elastic element is abutted with the first gear (4).
4. The auxiliary device for a stapler according to claim 1, further comprising:
the third gear (13) is rotationally connected to the first extension piece (1), the third gear (13) is in transmission connection with the first gear (4), the third gear (13) is meshed with the rack (15), and the rack (15) is configured to be capable of moving along the axis direction of the first extension piece (1).
5. The auxiliary device for a stapler according to claim 4, wherein,
the locking assembly comprises a rotary lock tooth (14), wherein the rotary lock tooth (14) is provided with an arc-shaped gear tooth segment (143) along the circumferential direction, and the arc-shaped gear tooth segment (143) is configured to be selectively meshed with or separated from the rack (15).
6. The accessory device for a stapler of claim 5, wherein the locking assembly further comprises:
the wheel-pulling switch (16), the wheel-pulling switch (16) is rotationally connected in the first extension piece (1), and part of the structure protrudes the switch groove on the first extension piece (1), and the wheel-pulling switch (16) is in transmission connection with the rotary lock teeth (14) and is used for driving the rotary lock teeth (14) to rotate.
7. The auxiliary device for a stapler according to claim 6, wherein,
the dial wheel switch (16) comprises a dial disc (161) and a fourth gear (162) which are coaxially arranged, the diameter of the dial disc (161) is larger than that of the fourth gear (162), the dial disc (161) protrudes out of the switch groove, and the fourth gear (162) is in transmission connection with the rotary lock teeth (14).
8. The auxiliary device for a stapler according to claim 7, wherein,
an anti-slip structure is arranged on the side wall of the poking disc (161).
9. The auxiliary device for a stapler according to claim 8, wherein,
the anti-skid structure comprises a rubber sleeve and anti-skid patterns, the rubber sleeve and the anti-skid patterns are arranged at intervals along the circumferential direction of the side wall of the poking disc (161), one of the rubber sleeve and the anti-skid patterns is configured to be meshed with the rack (15) corresponding to the arc gear tooth section (143), and the other is configured to be separated from the rack (15) corresponding to the arc gear tooth section (143).
10. The auxiliary device for a stapler according to claim 7, wherein,
the rotary lock tooth (14) comprises a fifth gear (142) and a locking disc (141) which are coaxially arranged, the fifth gear (142) is meshed with the fourth gear (162), and the arc-shaped gear tooth segment (143) is arranged on the locking disc (141).
11. The auxiliary device for a stapler according to claim 4, wherein,
the locking assembly comprises a worm assembly (18), the worm assembly (18) is rotatably connected in the first extension piece (1) and meshed with the rack (15), the worm assembly (18) is configured to drive the rack (15) to move along the axis direction of the first extension piece (1), and the worm assembly (18) and the rack (15) can be self-locked.
12. The accessory device for a stapler of claim 11, wherein the locking assembly further comprises:
the wheel-pulling switch (16), the wheel-pulling switch (16) is rotationally connected in the first extension piece (1), and part of the structure protrudes the switch groove on the first extension piece (1), and the wheel-pulling switch (16) is in transmission connection with the worm assembly (18) and is used for driving the worm assembly (18) to rotate.
13. The auxiliary device for a stapler according to claim 12, wherein,
the dial wheel switch (16) comprises a dial disc (161) and a fourth gear (162) which are coaxially arranged, the diameter of the dial disc (161) is larger than that of the fourth gear (162), the dial disc (161) protrudes out of the switch groove, and the fourth gear (162) is in transmission connection with the worm assembly (18).
14. The auxiliary device for a stapler according to claim 1, wherein,
one of the first extension piece (1) and the second extension piece (2) is provided with a rotating groove (19), the other one is provided with a rotary table (21), and the rotary table (21) is rotationally connected in the rotating groove (19).
15. The auxiliary device for a stapler according to claim 14, wherein,
the locking assembly comprises a plurality of bosses (22) circumferentially arranged along the turntable (21) and ribs (20) arranged on the inside of the rotating groove (19), wherein the ribs (20) are configured to be selectively clamped between two adjacent bosses (22) or slide on the bosses (22).
16. A stapler comprising a cartridge (200), characterized in that it further comprises an auxiliary device (100) for a stapler according to any one of claims 1 to 15, said cartridge (200) being removably connected to the other end of said second extension (2).
17. The stapler of claim 16, wherein the stapler is configured to,
the nail seat (200) is provided with a clamp spring tube (210), the clamp spring tube (210) is provided with a clamp spring piece (220), the clamp spring piece (220) is provided with a clamp bulge, the other end of the second extension piece (2) is provided with a clamping groove, the other end of the second extension piece (2) is positioned in the clamp spring tube (210), and the clamp bulge is clamped with the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548301.2A CN109431568B (en) | 2018-12-18 | 2018-12-18 | Auxiliary device for anastomat and anastomat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548301.2A CN109431568B (en) | 2018-12-18 | 2018-12-18 | Auxiliary device for anastomat and anastomat |
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| CN109431568A CN109431568A (en) | 2019-03-08 |
| CN109431568B true CN109431568B (en) | 2024-01-30 |
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| CN201811548301.2A Active CN109431568B (en) | 2018-12-18 | 2018-12-18 | Auxiliary device for anastomat and anastomat |
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| CN109820555B (en) * | 2019-03-28 | 2024-03-08 | 四川省肿瘤医院 | Tracheal retractor used under thoracoscope |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939229A (en) * | 2005-09-30 | 2007-04-04 | 伊西康内外科公司 | Electroactive polymer-based articulation mechanism for circular stapler |
| CN201782789U (en) * | 2010-03-08 | 2011-04-06 | 北京中法派尔特医疗设备有限公司 | Nail holder component capable of realizing tilting and resetting and anastomat adopting same |
| CN102652001A (en) * | 2009-12-10 | 2012-08-29 | 伊西康内外科公司 | Surgical stapler with discrete staple height adjustment and tactile feedback |
| CN104546048A (en) * | 2015-01-19 | 2015-04-29 | 上海逸思医疗科技有限公司 | Surgical instrument and bending control mechanism thereof |
| CN205339036U (en) * | 2015-10-16 | 2016-06-29 | 逸思（苏州）医疗科技有限公司 | Surgical instrument |
| CN105962981A (en) * | 2016-06-08 | 2016-09-28 | 宁波维尔凯迪医疗器械有限公司 | Joint rotation structure and anastomat with structure |
| US20160374684A1 (en) * | 2015-06-26 | 2016-12-29 | Ethicon Endo-Surgery, Llc | Firing assembly for circular stapler |
| CN206080597U (en) * | 2016-06-08 | 2017-04-12 | 宁波维尔凯迪医疗器械有限公司 | Joint rotating -structure and anastomat that has this structure |
| CN209252998U (en) * | 2018-12-18 | 2019-08-16 | 逸思（苏州）医疗科技有限公司 | A kind of auxiliary device and stapler for stapler |
-
2018
- 2018-12-18 CN CN201811548301.2A patent/CN109431568B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939229A (en) * | 2005-09-30 | 2007-04-04 | 伊西康内外科公司 | Electroactive polymer-based articulation mechanism for circular stapler |
| CN102652001A (en) * | 2009-12-10 | 2012-08-29 | 伊西康内外科公司 | Surgical stapler with discrete staple height adjustment and tactile feedback |
| CN201782789U (en) * | 2010-03-08 | 2011-04-06 | 北京中法派尔特医疗设备有限公司 | Nail holder component capable of realizing tilting and resetting and anastomat adopting same |
| CN104546048A (en) * | 2015-01-19 | 2015-04-29 | 上海逸思医疗科技有限公司 | Surgical instrument and bending control mechanism thereof |
| US20160374684A1 (en) * | 2015-06-26 | 2016-12-29 | Ethicon Endo-Surgery, Llc | Firing assembly for circular stapler |
| CN205339036U (en) * | 2015-10-16 | 2016-06-29 | 逸思（苏州）医疗科技有限公司 | Surgical instrument |
| CN105962981A (en) * | 2016-06-08 | 2016-09-28 | 宁波维尔凯迪医疗器械有限公司 | Joint rotation structure and anastomat with structure |
| CN206080597U (en) * | 2016-06-08 | 2017-04-12 | 宁波维尔凯迪医疗器械有限公司 | Joint rotating -structure and anastomat that has this structure |
| CN209252998U (en) * | 2018-12-18 | 2019-08-16 | 逸思（苏州）医疗科技有限公司 | A kind of auxiliary device and stapler for stapler |
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