CN112451084B - Gastroenterology peritoneoscope minimal access surgery apparatus - Google Patents
Gastroenterology peritoneoscope minimal access surgery apparatus Download PDFInfo
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- CN112451084B CN112451084B CN202011405708.7A CN202011405708A CN112451084B CN 112451084 B CN112451084 B CN 112451084B CN 202011405708 A CN202011405708 A CN 202011405708A CN 112451084 B CN112451084 B CN 112451084B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00595—Cauterization
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/126—Generators therefor characterised by the output polarity bipolar
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Abstract
The invention discloses a laparoscopic minimally invasive surgical instrument for gastroenterology, which structurally comprises a forceps, an assembling rod, a machine body, a cable body and a handle, wherein the assembling rod is closer to the handle than the cable body, the assembling rod is movably connected with the machine body through a movable shaft, the side surface of the machine body is provided with the handle, the handle is movably clamped with the machine body, the bottom of the machine body is provided with the cable body, the machine body is fixedly connected with the cable body, the forceps is closer to the assembling rod than the handle, and the forceps and the assembling rod are movably connected through the movable shaft.
Description
Technical Field
The invention relates to the field of gastroenterology, in particular to a minimally invasive laparoscopic surgical instrument for the gastroenterology.
Background
The laparoscopic surgery is a newly developed minimally invasive method, is an endoscope used for examination and treatment in an abdominal cavity, is also called as a 'keyhole' surgery, and by applying the laparoscopic system technology, a doctor only needs to open a plurality of 'keyhole' type small holes around the part of a patient to be operated, can visually observe the internal condition of the patient in front of a computer screen without opening the abdomen, performs accurate operation, only needs short time in the operation process, and the treatment technology reaches the international advanced level;
the bipolar electrocoagulation forceps are important surgical instruments required in laparoscopic surgery, two movable forceps jaw connecting plates of bipolar electrocoagulation are overlapped together, and in the forceps jaw moving process, the overlapped movable plates of the forceps jaws are abraded due to friction between contact surfaces, so that the contact surfaces of the movable plates of the forceps jaws are excessively abraded, and the forceps jaws are broken.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a minimally invasive laparoscopic surgical instrument for gastroenterology structurally comprises a forceps device, an assembling rod, an instrument body, a cable body and a handle, wherein the assembling rod is closer to the handle than the cable body, the assembling rod is movably connected with the instrument body through a movable shaft, the handle is arranged on the side face of the instrument body and movably clamped with the instrument body, the cable body is arranged at the bottom of the instrument body, the instrument body is fixedly connected with the cable body, the forceps device is closer to the assembling rod than the handle, and the forceps device is movably connected with the assembling rod through the movable shaft;
the pliers is provided with a first jaw, an anti-grinding device, a shell, a pull rod and a second jaw, wherein the first jaw is installed inside the shell, the shell is movably clamped with the first jaw, the second jaw is installed on the first jaw, the first jaw is movably connected with the second jaw through a movable shaft, the anti-grinding device is arranged at the joint of the second jaw and the first jaw in a fit mode, the anti-grinding device is fixedly connected with the pull rod, the pull rod is arranged inside the shell and is in clearance fit with the shell, the pull rod is movably connected with the second jaw through a movable shaft, hollow notches are formed in the centers of the movable shafts of the pull rod and the second jaw, arc-shaped grooves are formed in the inner walls of the notches, and grooves matched with a clamping structure of the anti-grinding device are formed in the first jaw and the second jaw.
As a further optimization of the technical scheme, the anti-abrasion device is provided with an assembly hole, an operator, a reinforcing device and an assembly plate, wherein the assembly hole penetrates through the assembly plate, the assembly hole is fixedly connected with the assembly plate, the surface of the assembly plate is provided with the operator, the operator is movably clamped with the assembly plate, the reinforcing device is closer to the operator than the assembly hole, the reinforcing device is movably connected with the assembly plate through a movable shaft, the inner edge of the assembly hole is movably connected with a cylinder through the movable shaft, and the operator is arranged on the contact surface of the assembly plate, the second jaw and the first jaw.
As a further optimization of the technical scheme, the manipulator is provided with a device body, a fastener, a moving cavity, a moving block, a rolling ball and an extrusion block, the rolling ball is arranged inside the device body, the rolling ball is embedded with the device body, the surface of the device body is provided with the moving cavity, the moving cavity and the device body are of an integrated structure, the moving block is arranged inside the moving cavity, the moving cavity is in clearance fit with the moving block, the top of the moving block is provided with the extrusion block, the extrusion block is movably connected with the moving block through a movable shaft, the fastener is arranged inside the device body, the fastener is movably clamped with the device body, the extrusion block is a round table soft rubber block structure provided with a groove, and the extrusion block is movably connected with the moving block through a movable shaft.
As a further optimization of the technical scheme, the inner part of the device body is provided with an arc-shaped groove, the radian of the arc-shaped groove of the device body is matched with that of the rolling ball, the rolling ball protrudes out of the connecting plate surface of the device body, the opening on the device body is smaller than the diameter of the rolling ball, and the opening of the device body is attached to the edge of the rolling ball protruding end.
As a further optimization of this technical scheme, the binding is equipped with extension piece, slider, supports knot piece, slide bar, the both sides of slide bar are equipped with the slider, slider and slide bar sliding connection, the extension piece has been installed to the outward flange of slide bar, extend piece and slide bar fixed connection, it is located the inside of slide bar to support the knot piece, support knot piece and slide bar clearance fit, the slide bar is inside and extend a bottom and all be equipped with the slip track, the diameter of slide bar is less than the diameter of slider.
As a further optimization of the technical scheme, the center of the connecting plate of the abutting block is provided with an arc-shaped block, the arc-shaped block at the center of the abutting block is movably connected with the connecting plate through a movable shaft, the abutting block is in clearance fit with a sliding track inside a sliding rod through an extended sliding column structure, the sliding block and the inner edge contact surface of the abutting block are curved arc-shaped surfaces, and a soft adhesive layer is arranged on the arc-shaped contact surface of the abutting block and the sliding block.
As the further optimization of the technical scheme, the reinforcing device is provided with a clamping block, an extension cavity, a turnover block, a pressing block, a mounting plate and a deviation channel, the two sides of the mounting plate are provided with the turnover block, the turnover block is in clearance fit with the mounting plate, the pressing block is positioned at the bottom of the turnover block and is movably connected with the turnover block through a movable shaft, the deviation channel is installed at the outer edge of the mounting plate and is integrated with the mounting plate, the extension cavity is closer to the deviation channel than the turnover block, the extension cavity is in clearance fit with the deviation channel, the clamping block is installed inside the extension cavity and is in sliding connection with the extension cavity, a connecting column of the turnover block is sleeved on a sliding column body through a hollow cylindrical ring, the bottom of the sliding block is provided with a sliding connecting shaft, the periphery of the column body is provided with an arc-shaped convex block, a spring is arranged inside the arc-shaped convex block, the extension chamber is established and is connected the face at the side of mounting panel, the extension chamber mounted position of mounting panel both sides is identical with the buckle face height of first clamp pincers and second clamp pincers respectively.
As a further optimization of this technical scheme, the clamp splice is rectangular spliced pole, rectangular spliced pole bottom and the extension chamber sliding connection of clamp splice, the opposite side of clamp splice spliced pole passes through loose axle and a buckle connector swing joint, the buckle connector and the movable block of a upset plate of clamp splice, be equipped with square protruding piece on the returning face plate of clamp splice buckle connector.
Advantageous effects
Compared with the prior art, the laparoscopic minimally invasive surgical instrument for the gastroenterology has the following advantages:
1. the contact surface of the first jaw and the second jaw is an anti-abrasion device, when the jaws of the equipment move, the movable plate of the jaws is in contact with the rolling structure of the operator, and the rolling structure is movably embedded in the machine body and can rotate along with the driving direction of the jaw contact plate, so that the resistance force applied to the jaws during moving is reduced, the friction of the contact plate surface during moving of the jaws is reduced, and the jaws are prevented from being broken due to excessive abrasion.
2. The rolling structure is movably clamped on the assembling hole, so that the abrasion of the movable connecting shaft of the clamp in the rotating process is reduced, the movable rotating shaft is prevented from being broken due to excessive abrasion, and when the clamp needs to keep a clamping state unchanged, the clamp can be fixed by the clamping structure of the operator, and the clamp is prevented from being overturned and cannot be clamped.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic overall structure diagram of a minimally invasive laparoscopic surgical instrument for gastroenterology according to the present invention.
FIG. 2 is a schematic view of the pincer structure of the present invention.
Fig. 3 is a schematic structural view of the wear prevention device of the present invention.
Fig. 4 is a schematic structural diagram of the manipulator of the present invention.
FIG. 5 is a schematic view of the fastener structure of the present invention.
Fig. 6 is a schematic view of the structure of the stiffener according to the present invention.
In the figure: the pliers comprise a pliers body 1, an assembling rod 2, a machine body 3, a cable body 4, a handle 5, a first jaw 1a, an anti-abrasion device 1b, a shell 1c, a pull rod 1d, a second jaw 1e, an assembling hole b1, an operator b2, a reinforcing device b3, an assembling plate b4, a machine body b21, a fastener b22, a moving cavity b23, a moving block b25, a rolling ball b24, a pressing block b26, an extending block 221, a sliding block 222, a clamping block 223, a sliding rod 224, a clamping block b31, an extending cavity b32, a turning block b33, a pressing block b34, an installing plate b35 and an offset channel b 36.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example one
Referring to fig. 1-5, a laparoscopic minimally invasive surgical instrument for gastroenterology structurally comprises a forceps 1, an assembly rod 2, a machine body 3, a cable body 4 and a handle 5, wherein the assembly rod 2 is closer to the handle 5 than the cable body 4, the assembly rod 2 is movably connected with the machine body 3 through a movable shaft, the handle 5 is arranged on the side surface of the machine body 3, the handle 5 is movably clamped with the machine body 3, the cable body 4 is arranged at the bottom of the machine body 3, the machine body 3 is fixedly connected with the cable body 4, the forceps 1 is closer to the assembly rod 2 than the handle 5, and the forceps 1 is movably connected with the assembly rod 2 through the movable shaft;
the forceps 1 is provided with a first forceps jaw 1a, an anti-abrasion device 1b, a shell 1c, a pull rod 1d and a second forceps jaw 1e, the first forceps jaw 1a is installed inside the shell 1c, the shell 1c is movably clamped with the first forceps jaw 1a, the first forceps jaw 1a is provided with the second forceps jaw 1e, the first forceps jaw 1a is movably connected with the second forceps jaw 1e through a movable shaft, the joint of the second forceps jaw 1e and the first forceps jaw 1a is provided with the anti-abrasion device 1b, the anti-abrasion device 1b is fixedly connected with the pull rod 1d, the shell 1c is internally provided with the pull rod 1d, the pull rod 1d is in clearance fit with the shell 1c, the pull rod 1d is movably connected with the second forceps jaw 1e through the movable shaft, the centers of the movable shafts of the pull rod 1d and the second forceps jaw 1e are provided with hollowed notches, the inner walls of the notches are provided with arc-shaped grooves, and the first forceps jaw 1a and the second jaw 1e are provided with grooves matched with a clamping structure of the anti-abrasion device 1b, reduce the friction of the activity of the clamp body of the equipment.
The wear preventer 1b is provided with an assembly hole b1, an operator b2, a stiffener b3 and an assembly plate b4, wherein the assembly hole b1 penetrates through the assembly plate b4, the assembly hole b1 is fixedly connected with the assembly plate b4, the surface of the assembly plate b4 is provided with the operator b2, the operator b2 is movably clamped with the assembly plate b4, the stiffener b3 is closer to the operator b2 than the assembly hole b1, the stiffener b3 is movably connected with the assembly plate b4 through a movable shaft, the inner edge of the assembly hole b1 is movably connected with a cylinder through the movable shaft, and the contact surfaces of the assembly plate b4, the second jaw 1e and the first jaw 1a are provided with the operator b2, so that the wear of the equipment is reduced.
The manipulator b2 is provided with a body b21, a fastener b22, a moving cavity b23, a moving block b25, a rolling ball b24 and a pressing block b26, the body b21 is internally provided with a rolling ball b24, the rolling ball b24 is embedded with the body b21, the surface of the body b21 is provided with a moving cavity b23, the moving cavity b23 and the body b21 are of an integrated structure, the moving block b25 is installed in the moving cavity b23, the moving cavity b23 is in clearance fit with the moving block b25, the top of the moving block b25 is provided with a pressing block b26, the pressing block b26 is movably connected with the moving block b25 through a moving shaft, the body b21 is internally provided with a fastener b22, the fastener b22 is movably clamped with the moving block b21, the pressing block b26 is a circular truncated cone block structure provided with a groove, the pressing block b26 is movably connected with the moving block b25 through a rotating moving shaft, and the rolling shaft structure contacting with the moving block b25 is reduced in wear.
The arc-shaped groove is arranged in the device body b21, the radian of the arc-shaped groove of the device body b21 is matched with that of the ball b24, the ball b24 protrudes out of the connecting plate surface of the device body b21, the opening of the device body b21 is smaller than the diameter of the ball b24, and the opening of the device body b21 is attached to the edge of the protruding end of the ball b24, so that the contact surface can roll.
The fastener b22 is provided with an extending block 221, a sliding block 222, a resisting block 223 and a sliding rod 224, the sliding block 222 is arranged on two sides of the sliding rod 224, the sliding block 222 is connected with the sliding rod 224 in a sliding mode, the extending block 221 is arranged on the outer edge of the sliding rod 224, the extending block 221 is fixedly connected with the sliding rod 224, the resisting block 223 is located inside the sliding rod 224, the resisting block 223 is in clearance fit with the sliding rod 224, sliding tracks are arranged inside the sliding rod 224 and at the bottom of the extending block 221, the diameter of the sliding rod 224 is smaller than that of the sliding block 222, and when the equipment is adjusted to a required angle, the equipment is prevented from sliding again through a clamping structure.
The center of buckleing piece 223 connecting plate is equipped with the arc piece to supporting, the arc piece that buckleing piece 223 center to supporting passes through loose axle and connecting plate swing joint, the slip post structure that supports and the inside slip track clearance fit of slide bar 224 that detains piece 223 through extending, slider 222 is the arcwall face of crooked with the inward flange contact surface that supports knot piece 223, be equipped with the gum layer on the arc contact surface of buckleing piece 223 and slider 222, stabilize the rolling element through extrusion radian structure.
The power supply is started, the pull rod 1d is pulled, so that the second jaw 1e is pulled, the second jaw 1e drives the first jaw 1a to turn over for clamping, a movable shaft arranged on the second jaw 1e penetrates through the assembly hole b1, the edge of the movable shaft and the edge of the assembly hole b1 are attached to a cylinder on an assembly hole b1 on an assembly plate b4 in the moving process, the cylinder is pushed to roll, so that friction borne by the movable shaft of the jaws is reduced in the rotating process, an operator b2 is arranged at the junction of the second jaw 1e and the first jaw 1a, the rolling ball b24 protrudes from a body b21 and is contacted with a movable plate of the jaws, the rolling ball 1e and the first jaw 1a push the b24 to rotate in the rotating process, when a clamping angle between the second jaw 1e and the first jaw 1a needs to be kept unchanged, the movable block b25 slides along the moving cavity b23, so that the squeezing block b26 is pushed, so that the contact surface of the squeezing block b26 and the jaw is attached to the contact surface, the air in the extrusion block b26 is expelled and absorbed, when the extrusion block b26 needs to be separated from the contact surface of the clamp, the extrusion block b26 rotates along the movable shaft connected with the moving block b25, the extrusion block b26 is twisted and separated from the absorption, the extension block 221 extends along the bottom sliding track and is attached to the edge of the rolling ball b24, the sliding block 222 slides along the sliding rod 224 to two sides, the sliding block 222 and the rolling ball b24 are attached more, the abutting block 223 slides out along the track in the sliding rod 224, the arc-shaped block at the center of the abutting block 223 is turned over 90 degrees along the movable shaft, the attaching structure of the abutting cross block 223 is in a structure which firmly extrudes the rolling ball b24, the rolling ball b24 is prevented from rolling, and the clamp of the equipment cannot be turned over easily due to the small friction force of the contact surface when an angle needs to be kept,
example two
Referring to fig. 1-6, a laparoscopic minimally invasive surgical instrument for gastroenterology structurally comprises a forceps 1, an assembly rod 2, a machine body 3, a cable body 4 and a handle 5, wherein the assembly rod 2 is closer to the handle 5 than the cable body 4, the assembly rod 2 is movably connected with the machine body 3 through a movable shaft, the handle 5 is arranged on the side surface of the machine body 3, the handle 5 is movably clamped with the machine body 3, the cable body 4 is arranged at the bottom of the machine body 3, the machine body 3 is fixedly connected with the cable body 4, the forceps 1 is closer to the assembly rod 2 than the handle 5, and the forceps 1 is movably connected with the assembly rod 2 through the movable shaft;
the forceps 1 is provided with a first forceps jaw 1a, an anti-abrasion device 1b, a shell 1c, a pull rod 1d and a second forceps jaw 1e, the first forceps jaw 1a is installed inside the shell 1c, the shell 1c is movably clamped with the first forceps jaw 1a, the first forceps jaw 1a is provided with the second forceps jaw 1e, the first forceps jaw 1a is movably connected with the second forceps jaw 1e through a movable shaft, the joint of the second forceps jaw 1e and the first forceps jaw 1a is provided with the anti-abrasion device 1b, the anti-abrasion device 1b is fixedly connected with the pull rod 1d, the shell 1c is internally provided with the pull rod 1d, the pull rod 1d is in clearance fit with the shell 1c, the pull rod 1d is movably connected with the second forceps jaw 1e through the movable shaft, the centers of the movable shafts of the pull rod 1d and the second forceps jaw 1e are provided with hollowed notches, the inner walls of the notches are provided with arc-shaped grooves, and the first forceps jaw 1a and the second jaw 1e are provided with grooves matched with a clamping structure of the anti-abrasion device 1b, reduce the friction of the activity of the clamp body of the equipment.
The wear preventer 1b is provided with an assembly hole b1, an operator b2, a stiffener b3 and an assembly plate b4, wherein the assembly hole b1 penetrates through the assembly plate b4, the assembly hole b1 is fixedly connected with the assembly plate b4, the surface of the assembly plate b4 is provided with the operator b2, the operator b2 is movably clamped with the assembly plate b4, the stiffener b3 is closer to the operator b2 than the assembly hole b1, the stiffener b3 is movably connected with the assembly plate b4 through a movable shaft, the inner edge of the assembly hole b1 is movably connected with a cylinder through the movable shaft, and the contact surfaces of the assembly plate b4, the second jaw 1e and the first jaw 1a are provided with the operator b2, so that the wear of the equipment is reduced.
The manipulator b2 is provided with a body b21, a fastener b22, a moving cavity b23, a moving block b25, a rolling ball b24 and a pressing block b26, the body b21 is internally provided with a rolling ball b24, the rolling ball b24 is embedded with the body b21, the surface of the body b21 is provided with a moving cavity b23, the moving cavity b23 and the body b21 are of an integrated structure, the moving block b25 is installed in the moving cavity b23, the moving cavity b23 is in clearance fit with the moving block b25, the top of the moving block b25 is provided with a pressing block b26, the pressing block b26 is movably connected with the moving block b25 through a moving shaft, the body b21 is internally provided with a fastener b22, the fastener b22 is movably clamped with the moving block b21, the pressing block b26 is a circular truncated cone block structure provided with a groove, the pressing block b26 is movably connected with the moving block b25 through a rotating moving shaft, and the rolling shaft structure contacting with the moving block b25 is reduced in wear.
The arc-shaped groove is arranged in the device body b21, the radian of the arc-shaped groove of the device body b21 is matched with that of the ball b24, the ball b24 protrudes out of the connecting plate surface of the device body b21, the opening of the device body b21 is smaller than the diameter of the ball b24, and the opening of the device body b21 is attached to the edge of the protruding end of the ball b24, so that the contact surface can roll.
The fastener b22 is provided with an extending block 221, a sliding block 222, a resisting block 223 and a sliding rod 224, the sliding block 222 is arranged on two sides of the sliding rod 224, the sliding block 222 is connected with the sliding rod 224 in a sliding mode, the extending block 221 is arranged on the outer edge of the sliding rod 224, the extending block 221 is fixedly connected with the sliding rod 224, the resisting block 223 is located inside the sliding rod 224, the resisting block 223 is in clearance fit with the sliding rod 224, sliding tracks are arranged inside the sliding rod 224 and at the bottom of the extending block 221, the diameter of the sliding rod 224 is smaller than that of the sliding block 222, and when the equipment is adjusted to a required angle, the equipment is prevented from sliding again through a clamping structure.
The center of buckleing piece 223 connecting plate is equipped with the arc piece to supporting, the arc piece that buckleing piece 223 center to supporting passes through loose axle and connecting plate swing joint, the slip post structure that supports and the inside slip track clearance fit of slide bar 224 that detains piece 223 through extending, slider 222 is the arcwall face of crooked with the inward flange contact surface that supports knot piece 223, be equipped with the gum layer on the arc contact surface of buckleing piece 223 and slider 222, stabilize the rolling element through extrusion radian structure.
The stiffener b3 is provided with a clamping block b31, an extension cavity b32, an overturning block b33, a pressing block b34, a mounting plate b35 and an offset channel b36, the two sides of the mounting plate b35 are provided with overturning blocks b33, the overturning block b33 is in clearance fit with the mounting plate b35, the pressing block b34 is positioned at the bottom of the overturning block b33, the pressing block b34 is movably connected with the overturning block b33 through a movable shaft, the outer edge of the mounting plate b35 is provided with an offset channel b36, the offset channel b36 is integrated with the mounting plate b35, the extension cavity b32 is closer to the offset channel b36 than the overturning block b33, the extension cavity b32 is in clearance fit with the offset channel b36, the clamping block b31 is arranged inside the extension cavity b32, the clamping block b31 is in sliding connection with the extension cavity b32, the connecting shaft of the overturning block b33 is sleeved on the cylindrical sliding column body through a connecting shaft, the arc-shaped sliding block b33, and the sliding column body of the pressing block b34 is provided with a sliding block b 8284, the arc-shaped protruding block is internally provided with a spring, the extension cavity b32 is arranged on the side connecting surface of the mounting plate b35, the mounting positions of the extension cavities b32 on the two sides of the mounting plate b35 are respectively matched with the heights of the buckling surfaces of the first clamp 1a and the second clamp 1e, and equipment is further fixed.
The clamp splice b31 is rectangular spliced pole, the rectangular spliced pole bottom and the extension chamber b32 sliding connection of clamp splice b31, the opposite side of clamp splice b31 spliced pole passes through loose axle and a buckle connector swing joint, the buckle connector and the movable block of a upset plate of clamp splice b31, be equipped with square protruding piece on the returning face plate of clamp splice b31 buckle connector, hold equipment through the protruding piece clamp of clamp splice buckle.
Install reinforcement b3 on the basis of embodiment one, when equipment need keep in a clamping state, upset piece b33 is to the notch upset at the center of pull rod 1d, make briquetting b34 and the fretwork mouth block of pull rod 1d, the movable shaft that second tong 1e connects at pull rod 1d is blocked the limit and can not rotate easily, position when according to tong buckle notch upset, extension chamber b32 slides along skew way b36, clamp block b31 slides out along extension chamber b32, the connecting plate on the clamp block b31 spliced pole overturns along the movable shaft, overturn certain angle, make the notch of buckle structure laminating tong on the connecting plate, buckle structure on clamp block b31 overturns through the connecting axle with connecting plate swing joint tong, the protruding piece on clamp block b31 buckle structure is convenient for the notch buckle of tong, prevent to overturn.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. A laparoscopic minimally invasive surgical instrument for gastroenterology is characterized in that: the structure of the clamp comprises a clamp (1), an assembling rod (2), a machine body (3), a cable body (4) and a handle (5), wherein the assembling rod (2) is closer to the handle (5) than the cable body (4), the assembling rod (2) is movably connected with the machine body (3) through a movable shaft, the handle (5) is arranged on the side surface of the machine body (3), the handle (5) is movably clamped with the machine body (3), the cable body (4) is arranged at the bottom of the machine body (3), the machine body (3) is fixedly connected with the cable body (4), the clamp (1) is closer to the assembling rod (2) than the handle (5), and the clamp (1) is movably connected with the assembling rod (2) through the movable shaft;
the forceps (1) is provided with a first jaw (1a), an anti-abrasion device (1b), a shell (1c), a pull rod (1d) and a second jaw (1e), the first jaw (1a) is arranged in a shell (1c), the shell (1c) is movably clamped with the first jaw (1a), a second jaw (1e) is arranged on the first jaw (1a), the first jaw (1a) is movably connected with the second jaw (1e) through a movable shaft, a wear-resistant device (1b) is arranged at the joint of the second jaw (1e) and the first jaw (1a), the wear-resistant device (1b) is fixedly connected with a pull rod (1d), the pull rod (1d) is arranged in the shell (1c), the pull rod (1d) is in clearance fit with the shell (1c), and the pull rod (1d) is movably connected with the second jaw (1e) through a movable shaft;
the anti-abrasion device (1b) is provided with an assembling hole (b1), an operator (b2), a reinforcing device (b3) and an assembling plate (b4), the assembling hole (b1) penetrates through the assembling plate (b4), the assembling hole (b1) is fixedly connected with the assembling plate (b4), the operator (b2) is installed on the surface of the assembling plate (b4), the operator (b2) is movably clamped with the assembling plate (b4), the reinforcing device (b3) is closer to the operator (b2) than the assembling hole (b1), and the reinforcing device (b3) is movably connected with the assembling plate (b4) through a movable shaft;
the manipulator (b2) is provided with a body (b21), a fastener (b22), a moving cavity (b23), a moving block (b25), a rolling ball (b24) and a pressing block (b26), the body (b21) is internally provided with the rolling ball (b24), the rolling ball (b24) is embedded in the body (b21), the surface of the body (b21) is provided with the moving cavity (b23), the moving cavity (b23) and the body (b21) are of an integrated structure, the moving block (b25) is installed in the moving cavity (b23), the moving cavity (b23) is in clearance fit with the moving block (b25), the top of the moving block (b25) is provided with the pressing block (b26), the pressing block (b26) is movably connected with the moving block (b25) through a moving shaft, the fastener (b22) is installed in the body (b21), and the fastener (b22) is movably clamped with the body 21);
an arc-shaped groove is formed in the device body (b21), and the radian of the arc-shaped groove of the device body (b21) is matched with that of the rolling ball (b 24);
the fastener (b22) is provided with an extension block (221), a sliding block (222), a butting block (223) and a sliding rod (224), the sliding block (222) is arranged on two sides of the sliding rod (224), the sliding block (222) is in sliding connection with the sliding rod (224), the extension block (221) is installed on the outer edge of the sliding rod (224), the extension block (221) is fixedly connected with the sliding rod (224), the butting block (223) is located inside the sliding rod (224), and the butting block (223) is in clearance fit with the sliding rod (224);
an arc-shaped block is arranged at the center of the connecting plate of the buckling block (223), and the arc-shaped block at the center of the buckling block (223) is movably connected with the connecting plate through a movable shaft;
the reinforcing device (b3) is provided with a clamping block (b31), an extension cavity (b32), a turning block (b33), a pressing block (b34), an installation plate (b35) and a deviation channel (b36), the two sides of the mounting plate (b35) are provided with turnover blocks (b33), the turnover blocks (b33) are in clearance fit with the mounting plate (b35), the pressing block (b34) is positioned at the bottom of the turning block (b33), the pressing block (b34) is movably connected with the turning block (b33) through a movable shaft, the outer edge of the mounting plate (b35) is provided with an offset channel (b36), the offset channel (b36) and the mounting plate (b35) are of an integrated structure, the elongated cavity (b32) is closer to the offset track (b36) than the flip block (b33), the extension cavity (b32) is in clearance fit with the offset channel (b36), a clamping block (b31) is installed inside the extension cavity (b32), and the clamping block (b31) is connected with the extension cavity (b32) in a sliding mode;
the clamp splice (b31) is a strip connecting column, and the bottom of the strip connecting column of the clamp splice (b31) is in sliding connection with the extension cavity (b 32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405708.7A CN112451084B (en) | 2020-12-02 | 2020-12-02 | Gastroenterology peritoneoscope minimal access surgery apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405708.7A CN112451084B (en) | 2020-12-02 | 2020-12-02 | Gastroenterology peritoneoscope minimal access surgery apparatus |
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| CN112451084A CN112451084A (en) | 2021-03-09 |
| CN112451084B true CN112451084B (en) | 2021-10-01 |
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| CN202011405708.7A Active CN112451084B (en) | 2020-12-02 | 2020-12-02 | Gastroenterology peritoneoscope minimal access surgery apparatus |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2076331A1 (en) * | 1991-10-18 | 1993-04-19 | Ernie Aranyi | Endoscopic surgical instrument |
| US5752973A (en) * | 1994-10-18 | 1998-05-19 | Archimedes Surgical, Inc. | Endoscopic surgical gripping instrument with universal joint jaw coupler |
| FR2751199B1 (en) * | 1996-07-18 | 1998-10-23 | Jean Marie Hugueny | PINCHING DEVICE, PARTICULARLY OF THE BIOPSY PLIER TYPE |
| CN204446096U (en) * | 2014-12-29 | 2015-07-08 | 杭州桐庐时空候医疗器械有限公司 | A kind of clamp seal of double-pole electric coagulation forceps |
| EP3578118B1 (en) * | 2018-06-05 | 2022-08-31 | Erbe Elektromedizin GmbH | Surgical instrument |
| EP3578125B1 (en) * | 2018-06-08 | 2024-05-08 | Erbe Elektromedizin GmbH | Laparoscopic forceps instrument |
| CN109009409A (en) * | 2018-06-13 | 2018-12-18 | 东莞市联洲知识产权运营管理有限公司 | The binding clip component of structure optimization on a kind of electric coagulation forceps |
| CN208355522U (en) * | 2018-09-27 | 2019-01-11 | 常州市第二人民医院 | A kind of intelligence checks the medical center blood sampling clamp of clamping |
| CN209678611U (en) * | 2019-01-14 | 2019-11-26 | 青岛德迈迪医疗科技有限公司 | A kind of wear-resisting type laparoscope plastic clamp binding clip |
| US10925615B2 (en) * | 2019-05-03 | 2021-02-23 | Syntheon 2.0, LLC | Recapturable left atrial appendage clipping device and methods for recapturing a left atrial appendage clip |
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Inventor after: Qu Haixia Inventor after: Li Nan Inventor after: Qin Peiyan Inventor after: Liu Qiuquan Inventor before: Liu Qiuquan |
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Effective date of registration: 20210916 Address after: Qingdao Municipal Hospital, No.5 Donghai Middle Road, Shinan District, Qingdao City, Shandong Province 266071 Applicant after: Qu Haixia Address before: 255000 Xinhua medical science and Technology Park, No.8, Taimei Road, high tech Development Zone, Zibo City, Shandong Province Applicant before: Liu Qiuquan |
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Effective date of registration: 20230926 Address after: Qingdao Municipal Hospital, No.5 Donghai Middle Road, Shinan District, Qingdao City, Shandong Province 266071 Patentee after: QINGDAO MUNICIPAL Hospital Address before: Qingdao Municipal Hospital, No.5 Donghai Middle Road, Shinan District, Qingdao City, Shandong Province 266071 Patentee before: Qu Haixia |