CN113520503B - Electric endoscope anastomat capable of preventing false triggering - Google Patents
Electric endoscope anastomat capable of preventing false triggering Download PDFInfo
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- CN113520503B CN113520503B CN202110975352.9A CN202110975352A CN113520503B CN 113520503 B CN113520503 B CN 113520503B CN 202110975352 A CN202110975352 A CN 202110975352A CN 113520503 B CN113520503 B CN 113520503B
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
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Abstract
The invention discloses an electric endoscope anastomat for preventing false triggering, which comprises a gun body, a silk block, a threaded rod and a false triggering preventing mechanism, one end of the gun body is provided with a first mounting groove, one side of the lower part of the gun body is movably provided with a firing handle, an adjusting handle is movably arranged at one side of the firing handle, a fixed handle is fixed at one side of the screw block, an adjusting disc is fixed at one end of the threaded rod, the other end of the threaded rod fixedly penetrates through the mounting frame and the screw block to be rotatably connected with one side of the inner wall of the mounting frame, one end of the mounting frame is fixedly connected with one side below the gun body, the electric endoscope anastomat preventing false triggering is provided with a first mounting groove, the effects of connection, fixation and hidden installation are achieved through the first mounting groove, thereby avoiding that part of parts in the anti-error triggering mechanism need to be fixedly connected and installed through the auxiliary installation part, therefore, the appearance of the whole gun body is influenced, and the condition that the whole operation progress is influenced in the whole gun body operation process is also caused.
Description
Technical Field
The invention relates to the technical field of electric endoscope staplers, in particular to an electric endoscope stapler capable of preventing mistaken firing.
Background
The endoscope anastomat (the endoscopic cutting anastomat and the disposable nail box) is one of important instruments for endoscopic surgery, replaces the traditional manual suture, utilizes titanium nails to perform separation or anastomosis on tissues, has simple and rapid operation, greatly shortens the operation time, enables the anastomosis with narrow operative field and deeper parts which are difficult to manually operate to be easy, accurate, firm and reliable, and obviously reduces the incidence rate of anastomotic fistula, has undergone a plurality of design improvements since birth according to the difference of power transmission modes, becomes an anastomat from the original medical stapler, starts to step into the third-generation electric anastomat era after undergoing two technical stages of a first-generation open endoscope anastomat and a second-generation anastomat, has better hemostasis effect compared with the manual anastomat, thereby improving the clinical value and the economic value, and current electronic chamber mirror anastomat is because the firing handle is close to with adjustment handle mounted position, and need continuously press the firing handle many times in the operation process and carry out the operation processing, thereby lead to the operator to finish according to the operation memory to press the firing handle once more easily, lead to the wrong firing of firing handle to handle simultaneously, lead to the condition of the dangerous improvement of operation easily in proper order, and current electronic chamber mirror anastomat has certain installation distance because fixed handle and firing handle and adjustment handle to lead to different operators to carry out the manual condition of holding fixed handle and firing handle and adjustment handle and carrying out the operation process in proper order and need incessantly adjust grab handle direction and angle thereby influence the condition of whole operation progress.
Disclosure of Invention
The invention aims to provide an electric endoscope anastomat for preventing false triggering aiming at the defects of the prior art, in order to solve the problems that the prior electric endoscope anastomat proposed by the background technology needs to continuously press the trigger handle for a plurality of times to perform operation treatment in the operation process because the trigger handle is close to the installation position of the adjusting handle, thereby easily causing the operator to press the firing handle again according to the operation memory after the operation is finished, meanwhile, the wrong percussion processing of the percussion handle is caused, which in turn easily causes the situation of increasing the operation danger, and the existing electric endoscope anastomat has the problem that the direction and the angle of a grab handle are required to be continuously adjusted in the process of operating by manually holding the fixed handle, the firing handle and the adjusting handle by different operators due to the fact that the fixed handle, the firing handle and the adjusting handle have certain installation distances, so that the overall operation progress is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: an electric endoscope anastomat capable of preventing error firing comprises a gun body, a thread block, a threaded rod and an error firing prevention mechanism, wherein a first mounting groove is formed in one end of the gun body, a through groove is formed in the lower portion of the inner portion of the first mounting groove in a penetrating mode, a firing handle is movably mounted on one side of the lower portion of the gun body, an adjusting handle is movably mounted on one side of the firing handle, a fixed handle is fixed to one side of the thread block, an adjusting disc is fixed to one end of the threaded rod, the other end of the threaded rod penetrates through a mounting frame and the thread block and is rotatably connected with one side of the inner wall of the mounting frame, and one end of the mounting frame is fixedly connected with one side of the lower portion of the gun body;
by adopting the technical scheme, the first mounting groove is arranged, the effects of hidden mounting and fixed mounting are achieved through the first mounting groove, and the situation that parts inside the anti-false-firing mechanism are mounted outside the gun body is avoided through the first mounting groove, so that not only is the appearance of the whole gun body influenced, but also the normal operation processing of the gun body is influenced when the parts of the anti-false-firing mechanism are mounted outside the gun body;
the anti-error firing mechanism for preventing the firing handle from performing the false firing is arranged inside the gun body.
Preferably, the anti-error-firing mechanism comprises a first rack, a half-return rod, a bearing, a cross-shaped connecting universal joint, a gear, a connecting plate, a first connecting rod, a second rack, a compression spring, a cover plate, a second mounting groove, a latch, a concave push block, a clamping groove and a second connecting rod, wherein two sides of the first rack are fixedly connected with two sides of the inner wall of the first mounting groove, the bearing is fixed on the left side of one end of the half-return rod, the right side of one end of the half-return rod is fixedly connected with one end of the cross-shaped connecting universal joint, the gear is rotatably connected with one end of the half-return rod through the bearing and is meshed with the first rack, the other end of the cross-shaped connecting universal joint is fixedly connected with the other side of the inner wall of the first mounting groove, the other end of the half-return rod is fixedly connected with one side of the firing handle, one side of the connecting plate is fixedly connected with one end of the first connecting rod, and the other end of the second connecting rod is fixedly connected with one end of the second rack, the connecting plate opposite side and compression spring one end fixed connection, the compression spring other end and first mounting groove inner wall top fixed connection, apron one side is run through and is seted up the second mounting groove, second mounting groove inner wall and latch one side fixed connection, the draw-in groove has been seted up to spill ejector pad both sides, and spill ejector pad one side and second connecting rod one end fixed connection, and the spill ejector pad passes through the draw-in groove and is connected with latch removal block simultaneously, the second connecting rod other end and head rod one side fixed connection, apron parcel first mounting groove is fixed in rifle body surface.
Through adopting above-mentioned technical scheme, be equipped with the cross and connect the universal joint, not only play the effect of both way junction through the cross and connect the universal joint to play through the cross and connect the effect that drives and prevent skew, the cross is connected the universal joint and is taken the plastics material to make simultaneously and form, avoids the cross to connect the universal joint to make through the metal so not only increase whole rifle body weight but also increase whole rifle body manufacturing cost in proper order.
Preferably, the screw block, the fixed handle, the threaded rod and the adjusting disc form a rotary adjusting mechanism, and the rotary adjusting mechanism has a rotary angle range of 0-360 degrees.
Through adopting above-mentioned technical scheme, be equipped with the adjustment disk, play the effect of one-way connection through the adjustment disk to play the effect of rotatory drive through the adjustment disk.
Preferably, the half-returning rod, the bearing, the cross-shaped connecting universal joint, the gear and the hair handle form a moving and swinging mechanism, and the moving and swinging distance range of the moving and swinging mechanism is 0-5 cm.
Through adopting above-mentioned technical scheme, be equipped with half pole that returns, not only play the effect of both way junction through half pole that returns to play the effect of connecting the drive through half pole that returns.
Preferably, the diameter of the inner ring of the bearing is less than the diameter of the outer ring of the half-returning rod by 0.2-0.3 mm.
Through adopting above-mentioned technical scheme, be equipped with the bearing, play fixed connection and rotate the effect of connecting through bearing inner and outer loop.
Preferably, the connecting plate, the first connecting rod, the second rack and the compression spring form a stretching mechanism, and the stretching distance range of the stretching mechanism is 0-3 cm.
Through adopting above-mentioned technical scheme, be equipped with compression spring, play the effect of both way junction through compression spring to thereby shorten the high distance between connecting plate and the first mounting groove through compression spring, play tensile reset and the spacing effect of motion through compression spring simultaneously.
Preferably, the second rack and the first rack are installed in a staggered mode, and the staggered installation distance range of the second rack and the first rack is 0.5-1 cm.
Through adopting above-mentioned technical scheme, be equipped with the second rack, play the spacing effect of unidirectional connection and motion through the second gear.
Preferably, the latch is provided with a group, and the latch is symmetrically arranged about the center line of the second mounting groove.
Through adopting above-mentioned technical scheme, be equipped with the second mounting groove, not only play fixed mounting and two-way swing joint's effect through the second mounting groove.
Preferably, the concave push block, the clamping groove, the second connecting rod and the clamping teeth form a clamping moving mechanism, and the clamping moving distance range of the clamping moving mechanism is 0-4 cm.
Through adopting above-mentioned technical scheme, be equipped with the draw-in groove, play the effect that the block is connected through draw-in groove and latch to the draw-in groove is in tangent contact processing with the latch, not only plays the block like this and connects and still play the effect of motion separation.
Compared with the prior art, the invention has the beneficial effects that: the electric endoscope anastomat for preventing false triggering,
(1) the anti-error-triggering mechanism is arranged, the concave push block is manually pushed to move, the concave push block drives the second connecting rod to move, the first connecting rod is driven to move in the moving process of the second connecting rod, the connecting plate and the second rack are driven to move in the same direction in the moving process of the first connecting rod in sequence, and the gear is limited in movement in the staggered meshing connection process of the second rack and the first rack, so that the situation that an operator presses the trigger handle again according to operation memory after finishing operation and error processing of the trigger handle is easily caused and the operation risk is easily improved in sequence due to the fact that the trigger handle is close to the installation position of the adjusting handle in the existing electric endoscope anastomat and the trigger handle needs to be continuously pressed for many times in the operation process is avoided, in addition, the clamping groove and the clamping teeth are in contact, clamped and connected, so that the effects of clamping limiting and movement separation are achieved, the situation that the limiting processing is required manually in the movement process of the concave push block is avoided, and the situation that the whole operation processing is influenced due to trouble is also easily caused;
(2) the electric endoscope anastomat is provided with a threaded rod and an adjusting disc, the threaded rod is driven to move by the adjusting disc, a thread block is driven to move on one side inside an installation frame in the moving process of the threaded rod, and meanwhile, a fixed handle is driven to move in the same direction in the moving process of the thread block, so that the problem that the overall operation progress is influenced because different operators manually hold the fixed handle, the firing handle and the adjusting handle to operate in the process of continuously adjusting the direction and the angle of a grab handle in sequence due to the fact that the fixed handle, the firing handle and the adjusting handle have certain installation distances in the moving process of the fixed handle and the firing handle and the adjusting handle is sequentially solved;
(3) be provided with first mounting groove and lead to the groove, play the connection through first mounting groove, the effect of fixed and hidden installation, thereby it needs to carry out the fixed connection installation through auxiliary mounting spare to avoid preventing some parts among the mistake firing mechanism and handles, thereby not only influence the outward appearance of the whole rifle body and still cause the condition from influencing whole operation progress in the whole rifle body operation process, thereby play through connection and swing joint's effect through leading to the groove, thereby avoid half pole can't drive the condition that gear motion was handled through the percussion handle.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a front sectional view of the gun body according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the first rack, half-turn lever and gear of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of a front cross-sectional view of the cover plate according to the present invention;
fig. 7 is a schematic front sectional view of the concave push block of the present invention.
In the figure: 1. the rifle body, 2, first mounting groove, 3, logical groove, 4, trigger handle "trigger handle, 5, adjustment handle, 6, silk piece, 7, fixed handle, 8, threaded rod, 9, adjusting disk, 10, installing frame, 11, prevent mistake trigger mechanism, 1101, first rack, 1102, half pole that returns, 1103, bearing, 1104, cross joint universal joint, 1105, the gear, 1106, the connecting plate, 1107, head rod, 1108, the second rack, 1109, compression spring, 1110, apron, 1111, second mounting groove, 1112, the latch, 1113, spill ejector pad, 1114, the draw-in groove, 1115, the second connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an electric endoscope anastomat preventing false triggering is disclosed, as shown in figure 1, figure 2 and figure 3, a through groove 3 is arranged in a first installation groove 2 in a penetrating mode, a triggering handle 4 is movably installed on one side below a gun body 1, an adjusting handle 5 is movably installed on one side of the triggering handle 4, a fixed handle 7 is fixed on one side of a thread block 6, an adjusting disc 9 is fixed at one end of a threaded rod 8, the other end of the threaded rod 8 penetrates through an installation frame 10 and the thread block 6 to be rotatably connected with one side of the inner wall of the installation frame 10, one end of the installation frame 10 is fixedly connected with one side below the gun body 1, the thread block 6, the fixed handle 7, the threaded rod 8 and the adjusting disc 9 form a rotation adjusting mechanism, the rotation angle range of the rotation adjusting mechanism is 0-360 degrees, the adjusting disc 9 is manually rotated, the threaded rod 8 is driven to move in the movement process of the adjusting disc 9, and the thread block 6 is driven to move in the movement process of the threaded rod 8, meanwhile, the fixed handle 7 and the mounting frame 10 are driven to move relatively through the wire block 6, and the relative distance between the fixed handle 7 and the adjusting handle 5 is changed in the moving process of the wire block 6 in sequence, so that different operators can conveniently operate, use and process the parts, the connection between the parts of the integral rotation adjusting mechanism is simple and clear, and meanwhile, the integral rotation adjusting mechanism is convenient to mount and operate and process.
As shown in FIG. 4, an anti-false-firing mechanism 11 for preventing the firing handle 4 from false firing is installed inside the gun body 1, and the anti-false-firing mechanism 11 includes a first rack 1101, a half-loop bar 1102, a bearing 1103, a cross-linked universal joint 1104, a gear 1105, a connecting plate 1106, a first connecting rod 1107, a second rack 1108, a compression spring 1109, a cover plate 1110, a second mounting groove 1111, a latch 1112, a concave push block 1113, a slot 1114 and a second connecting rod 1115, two sides of the first rack 1101 are fixedly connected with two sides of the inner wall of the first mounting groove 2, the bearing 1103 is fixed at the left side of one end of the half-loop bar 1102, the diameter of the inner ring of the bearing 1103 is smaller than the diameter range of the outer ring of the half-loop bar 1102 by 0.2-0.3mm, if the diameter of the inner ring of the bearing 1103 is too large than the diameter of the outer ring of the half-loop bar 1102, a fixed connection process needs to be performed through an auxiliary connecting component during the connection process between the inner ring of the bearing 1103 and the outer ring of the half-loop bar 1102, thereby causing a situation that the bearing 1103 and the half-loop bar 1102 are connected together, therefore, the diameter of the inner ring of the bearing 1103 is set to be less than 0.2mm than the diameter of the outer ring of the half-turn bar 1102, so that the diameter of the inner ring of the bearing 1103 and the diameter of the outer ring of the half-turn bar 1102 are in a fixed state, the right side of one end of the half-turn bar 1102 is fixedly connected with one end of the cross-connection universal joint 1104, the gear 1105 is rotatably connected with one end of the half-turn bar 1102 through the bearing 1103, the gear 1105 is engaged with the first rack 1101, the other end of the cross-connection universal joint 1104 is fixedly connected with the other side of the inner wall of the first installation groove 2, the other end of the half-turn bar 1102 is fixedly connected with one side of the trigger handle 4, the half-turn bar 1102, the bearing 1103, the cross-connection universal joint 1104, the gear 1105 and the trigger handle 4 form a movable swing mechanism, the movable swing mechanism has a movable swing distance range of 0-5cm, the trigger handle 4 is driven by hand, and the trigger handle 4 drives the half-turn bar 1102 to move, meanwhile, the semi-return rod 1102 drives the gear 1105 and the cross-connection universal joint 1104 to move in the same direction, and sequentially drives the cross-connection universal joint 1104 to swing left and right in the movement process of the firing handle 4, the movement swing distance interval of the overall movement swing mechanism is 5cm, the firing handle 4 is in an inclined movement state or in a static movement when the overall movement swing mechanism reaches the maximum movement swing distance interval, and the overall movement swing mechanism does not influence the normal working operation process of the firing handle 4 and can play a limiting effect in the contact process of the gear 1105 in the movement swing mechanism and the second rack 1108.
As shown in fig. 5, one side of the connecting plate 1106 is fixedly connected with one end of a first connecting rod 1107, the other end of the first connecting rod 1107 is fixedly connected with one end of a second rack 1108, the second rack 1108 and the first rack 1101 are installed in a staggered manner, and the staggered installation distance between the second rack 1108 and the first rack 1101 is in the range of 0.5-1cm, if the second rack 1108 and the first rack 1101 are installed in a contraposition manner, so that the teeth on the second rack 1108 and the first rack 1101 are easily collided, and therefore, in the repeated operation process of the second rack 1108 and the first rack 1101, not only the teeth on the second rack 1108 and the first rack 1101 are easily damaged, but also the gear 1105 cannot be engaged with the teeth on the first rack 1101, and meanwhile, the mistaken-striking prevention effect on the firing handle 4 cannot be achieved, so that the staggered installation distance between the second rack 1108 and the first rack 1101 is set to be 1cm, so as to ensure the staggered butt-installation process between the teeth, the other side of the connecting plate 1106 is fixedly connected with one end of a compression spring 1109, the other end of the compression spring 1109 is fixedly connected with the upper part of the inner wall of the first mounting groove 2, the connecting plate 1106, a first connecting rod 1107, a second rack 1108 and the compression spring 1109 form a stretching mechanism, the stretching distance range of the stretching mechanism is 0-3cm, the first connecting rod 1107 is driven to move by a second connecting rod 1115, the connecting plate 1106 and the second rack 1108 are driven to move in the same direction by the first connecting rod 1107, meanwhile, the compression spring 1109 is driven to be stretched in the motion process of the connecting plate 1106, the stretching effect is achieved in the stretching process of the compression spring 1109, the motion limiting effect is achieved in the elastic recovery process by the compression spring 1109, the stretching distance interval of the whole stretching mechanism is 3cm, when the whole stretching mechanism is in the maximum stretching distance interval, the compression spring 1109 is not only in the maximum stretching state but also in the maximum elastic recovery state, and the compression spring 1109 in the integral tension mechanism is of the light spring type, such a spring not only has a low overall weight but also reduces the manufacturing and mounting costs of the integral compression spring 1109.
As shown in fig. 6 and 7, a second mounting groove 1111 is formed through one side of the cover plate 1110, the inner wall of the second mounting groove 1111 is fixedly connected to one side of the latch 1112, a set of latch 1112 is provided, and the latch 1112 is symmetrically arranged about the center line of the second mounting groove 1111, and a set of 2 latch teeth 1112 are provided to correspond to the number of the latch grooves 1114, so as to avoid that the one-side latch grooves 1114 and the one-side latch teeth 1112 cannot perform effective engagement connection to the whole concave push block 1113 during engagement connection, and at the same time, the second rack 1108 and the first rack 1101 cannot perform dislocation butt connection to prevent from being mistakenly hit to the percussion handle 4, and the latch teeth 1112 are provided with a set of 2 latch grooves 1114 to embody the practicability, symmetry and simplicity of operation of the latch teeth 1112, and the two sides of the concave push block 1113 are provided with the latch grooves 1115, and one side of the concave push block 1113 is fixedly connected to one end of the second connecting rod 1115, meanwhile, the concave pushing block 1113 is movably clamped and connected with the latch 1112 through the clamping groove 1114, the concave pushing block 1113, the clamping groove 1114, the second connecting rod 1115 and the latch 1112 form a clamping moving mechanism, the clamping moving distance range of the clamping moving mechanism is 0-4cm, the concave pushing block 1113 is manually pushed to move, the concave pushing block 1113 drives the clamping groove 1114 to be in contact with the latch 1112 to perform friction movement, the concave pushing block 1113 drives the second connecting rod 1115 to perform equidirectional movement in the movement process, meanwhile, the position distance between the second rack 1108 and the first rack 1101 is changed through the relative movement process of the concave pushing block 1113 and the latch 1112, the clamping moving distance interval of the whole clamping moving mechanism is 4cm, when the whole clamping moving mechanism reaches the maximum clamping moving distance interval, the two ends of the concave pushing block 1113 are respectively in contact with the bottom end and the top end of the second mounting groove 1111, the other end of the second connecting rod 1115 is fixedly connected with one side of the first connecting rod 1107, the cover plate 1110 wraps the first mounting groove 2 and is fixed on the surface of the gun body 1, so that the whole part is shielded and hidden through the cover plate 1110, the whole part is prevented from being exposed in the sight line, and the condition that the part cannot be normally operated and processed is easily attracted by the attention of an operator.
The working principle is as follows: when the electric endoscope anastomat is used for preventing false triggering, firstly, the adjusting disc 9 is rotated manually, the adjusting disc 9 drives the threaded rod 8 to move in the movement process, the threaded rod 8 drives the wire block 6 to move on one side in the installation frame 10, the wire block 6 drives the fixed handle 7 to move in the same direction, when the fixed handle 7 is adjusted to a corresponding position, the adjusting disc 9 stops rotating, then the fixed handle 7 and the adjusting handle 5 are manually held to carry out operation treatment on the gun body 1, when triggering is needed, certain pushing force is manually applied to the concave push block 1113, the concave push block 1113 drives the clamping groove 1114 to move, the clamping groove 1114 is clamped and in frictional contact with the clamping teeth 1112 in the movement process, the concave push block 1113 moves above the second installation groove 1111, the concave push block 1113 drives the second connecting rod 1115 to move in the same direction in the movement process, the second connecting rod 1107 drives the first connecting rod to move in the same direction, the first connecting rod 1107 drives the second rack 1108 and the connecting plate 1106 to move in the same direction, the compression spring 1109 is squeezed during the movement of the connecting plate 1106, when the concave push block 1113 cannot be pushed, the concave push block 1113 is stopped being pushed, then the firing handle 4 is manually held again to move, the half-returning rod 1102 is driven to move during the movement of the firing handle 4, the half-returning rod 1102 drives the gear 1105 to move on one side of the first rack 1101 through the bearing 1103, the half-returning rod 1102 drives the cross-shaped connecting universal joint 1104 to move in the same direction, meanwhile, the half-returning rod 1102 moves on one side inside the first mounting groove 2 and the through groove 3 during the movement, when the firing is finished, the firing handle 4 is loosened, and the above steps are repeated to perform the reverse operation treatment, so that the whole operation is finished, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (2)
1. The utility model provides an prevent electronic chamber mirror anastomat of mistake percussion, includes rifle body (1), silk piece (6), threaded rod (8) and prevents mistake percussion mechanism (11), its characterized in that:
one end of the gun body (1) is provided with a first mounting groove (2), a through groove (3) is formed in the lower portion of the inner portion of the first mounting groove (2) in a penetrating mode, a firing handle (4) is movably mounted on one side of the lower portion of the gun body (1), an adjusting handle (5) is movably mounted on one side of the firing handle (4), a fixed handle (7) is fixed on one side of the wire block (6), an adjusting disc (9) is fixed on one end of the threaded rod (8), the other end of the threaded rod (8) penetrates through the mounting frame (10) and the wire block (6) to be rotatably connected with one side of the inner wall of the mounting frame (10), and one end of the mounting frame (10) is fixedly connected with one side of the lower portion of the gun body (1);
the anti-error firing mechanism (11) for preventing the error firing of the firing handle (4) is installed inside the gun body (1), and the anti-error firing mechanism (11) comprises a first rack (1101), a half-returning rod (1102), a bearing (1103), a cross-shaped connecting universal joint (1104), a gear (1105), a connecting plate (1106), a first connecting rod (1107), a second rack (1108), a compression spring (1109), a cover plate (1110), a second mounting groove (1111), a latch (1112), a concave push block (1113), a clamping groove (1114) and a second connecting rod (1115), wherein two sides of the first rack (1101) are fixedly connected with two sides of the inner wall of the first mounting groove (2), the bearing (1103) is fixed on the left side of one end of the half-returning rod (1102), the right side of one end of the half-returning rod (1102) is fixedly connected with one end of the cross-shaped connecting universal joint (1104), the gear (1105) is rotatably connected with one end of the half-returning rod (1102) through the bearing (1103), and the gear (1105) is engaged with the first rack (1101), the other end of the cross-shaped connecting universal joint (1104) is fixedly connected with the other side of the inner wall of the first mounting groove (2), the other end of the half-returning rod (1102) is fixedly connected with one side of the firing handle (4), one side of the connecting plate (1106) is fixedly connected with one end of the first connecting rod (1107), the other end of the first connecting rod (1107) is fixedly connected with one end of the second rack (1108), the other side of the connecting plate (1106) is fixedly connected with one end of the compression spring (1109), the other end of the compression spring (1109) is fixedly connected with the upper part of the inner wall of the first mounting groove (2), one side of the cover plate (1110) is provided with the second mounting groove (1111) in a penetrating way, the inner wall of the second mounting groove (1111) is fixedly connected with one side of the latch (1112), and the two sides of the concave push block (1113) are provided with the clamping grooves (1114), one side of the concave pushing block (1113) is fixedly connected with one end of a second connecting rod (1115), the concave pushing block (1113) is movably clamped and connected with the clamping teeth (1112) through a clamping groove (1114), the other end of the second connecting rod (1115) is fixedly connected with one side of a first connecting rod (1107), and the cover plate (1110) wraps the first mounting groove (2) and is fixed on the surface of the gun body (1);
the semi-return rod (1102), the bearing (1103), the cross-shaped connecting universal joint (1104), the gear (1105) and the firing handle (4) form a moving and swinging mechanism, and the moving and swinging distance range of the moving and swinging mechanism is 0-5 cm;
the diameter of an inner ring of the bearing (1103) is less than 0.2-0.3mm than that of an outer ring of the half-return rod (1102);
the connecting plate (1106), the first connecting rod (1107), the second rack (1108) and the compression spring (1109) form a stretching mechanism, and the stretching distance range of the stretching mechanism is 0-3 cm;
the second rack (1108) and the first rack (1101) are installed in a staggered mode, and the staggered installation distance range of the second rack (1108) and the first rack (1101) is 0.5-1 cm;
the latch (1112) is provided with a group, and the latch (1112) is arranged symmetrically about the center line of the second mounting groove (1111).
2. The electric endoscopic stapler capable of preventing false firing according to claim 1, wherein: the thread block (6), the fixed handle (7), the threaded rod (8) and the adjusting disk (9) form a rotary adjusting mechanism, and the rotary adjusting mechanism has a rotary angle range of 0-360 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975352.9A CN113520503B (en) | 2021-08-24 | 2021-08-24 | Electric endoscope anastomat capable of preventing false triggering |
Applications Claiming Priority (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020221357A1 (en) * | 2019-05-01 | 2020-11-05 | 江苏风和医疗器材股份有限公司 | Drive device and surgical instrument |
| CN112754575A (en) * | 2021-01-23 | 2021-05-07 | 常州安康医疗器械有限公司 | Electric endoscope anastomat convenient for disassembling and replacing battery |
| CN112754577A (en) * | 2021-01-23 | 2021-05-07 | 常州安康医疗器械有限公司 | Minimally invasive endoscopic anastomat with safety plug |
| CN112773436A (en) * | 2021-01-27 | 2021-05-11 | 北京天助畅运医疗技术股份有限公司 | Endoscope anastomat and transmission mechanism thereof |
| CN112914646A (en) * | 2021-03-09 | 2021-06-08 | 常州安康医疗器械有限公司 | Endoscope linear cutting anastomat easy to operate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4086621B2 (en) * | 2002-10-28 | 2008-05-14 | 株式会社トップ | Surgical instrument handle structure |
| US8012170B2 (en) * | 2009-04-27 | 2011-09-06 | Tyco Healthcare Group Lp | Device and method for controlling compression of tissue |
| US9050083B2 (en) * | 2008-09-23 | 2015-06-09 | Ethicon Endo-Surgery, Inc. | Motorized surgical instrument |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020221357A1 (en) * | 2019-05-01 | 2020-11-05 | 江苏风和医疗器材股份有限公司 | Drive device and surgical instrument |
| CN112754575A (en) * | 2021-01-23 | 2021-05-07 | 常州安康医疗器械有限公司 | Electric endoscope anastomat convenient for disassembling and replacing battery |
| CN112754577A (en) * | 2021-01-23 | 2021-05-07 | 常州安康医疗器械有限公司 | Minimally invasive endoscopic anastomat with safety plug |
| CN112773436A (en) * | 2021-01-27 | 2021-05-11 | 北京天助畅运医疗技术股份有限公司 | Endoscope anastomat and transmission mechanism thereof |
| CN112914646A (en) * | 2021-03-09 | 2021-06-08 | 常州安康医疗器械有限公司 | Endoscope linear cutting anastomat easy to operate |
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| CN113520503A (en) | 2021-10-22 |
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