CN113827338A - Electric coagulation forceps for laparoscopic surgery - Google Patents
Electric coagulation forceps for laparoscopic surgery Download PDFInfo
- Publication number
- CN113827338A CN113827338A CN202111281202.4A CN202111281202A CN113827338A CN 113827338 A CN113827338 A CN 113827338A CN 202111281202 A CN202111281202 A CN 202111281202A CN 113827338 A CN113827338 A CN 113827338A
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- China
- Prior art keywords
- pull rod
- groove
- handle
- movable handle
- conversion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002357 laparoscopic surgery Methods 0.000 title claims abstract description 17
- 230000015271 coagulation Effects 0.000 title description 7
- 238000005345 coagulation Methods 0.000 title description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 73
- 238000009297 electrocoagulation Methods 0.000 claims abstract description 18
- 210000003811 finger Anatomy 0.000 claims description 30
- 230000000694 effects Effects 0.000 claims description 25
- 210000003813 thumb Anatomy 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000023597 hemostasis Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
Images
Classifications
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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
- A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
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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
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
Abstract
The invention relates to an electrocoagulation pliers for laparoscopic surgery, which belongs to the technical field of medical instruments and comprises a fixed handle, a movable handle and a pull rod, wherein the fixed handle is hollow inside, one end of the movable handle extends into the fixed handle and forms a rotary support with the fixed handle, the other end of the movable handle movably penetrates through the bottom wall body of the fixed handle downwards and extends to the outside of the fixed handle, the movable handle is positioned on the rear side of the pull rod, a connecting part is formed on the front side of the movable handle, and a conversion part matched with the connecting part is formed on the rear end of the pull rod so that the pull rod can be driven to perform linear axial movement when the movable handle rotates. The invention has the advantages that the pull rod can linearly and axially move, so that the opening and closing of the clamp jaws are smoother, and the use by operators is convenient.
Description
Technical Field
The invention relates to an electrocoagulation clamp for laparoscopic surgery, and belongs to the technical field of medical instruments.
Background
In the operation application process of the electric coagulation forceps, the two forceps jaws arranged at the front end of the pull rod are opened to clamp human tissues and then closed, electric coagulation hemostasis is performed through two-electrode conduction, and the two forceps jaws are driven to be opened or closed by axial movement of the pull rod. The electric coagulation forceps used at present comprise a forceps head assembly, a forceps tube assembly, a handle assembly, a lock cylinder mechanism and a motor assembly, wherein the forceps head assembly is arranged at the front end of the forceps tube assembly, a rotating wheel at the rear end of the forceps tube assembly is connected with a rotating shaft in the handle assembly, the handle assembly is positioned at the rear end of the forceps tube assembly, the lock cylinder mechanism is arranged in the handle assembly, and an electrode assembly is connected with the rear end of the lock cylinder mechanism; wherein the binding clip subassembly includes the tong jaw, support frame and pull rod, handle assembly includes fixed handle and movable handle, the effect of pull rod is mainly in the same place tong jaw and movable handle link together, the handle assembly who uses at present is for better control tong jaw, still increase a propulsion subassembly that converts movable handle's rotary motion into pull rod axial displacement between pull rod and movable handle, not only make pull rod axial displacement linear inadequately, the speed is fast and slow during the moving speed, lead to opening and closed smooth not enough of tong jaw, influence operating personnel and use, and make the structure of whole electricity congeals pincers more complicated, lead to manufacturing cost to increase.
Disclosure of Invention
The invention aims to provide an electrocoagulation pliers for laparoscopic surgery, which solves the problems that in the prior art, the axial movement of a pull rod is not linear enough, the moving speed is high and low, so that the opening and closing of jaws are not smooth enough, the use of operators is influenced, the structure is complex, the production cost is increased, and the like.
The technical purpose of the invention is mainly solved by the following technical scheme: the utility model provides an electrocoagulation pliers for laparoscopic surgery, includes inside hollow fixed handle, movable handle and pull rod, the pull rod is followed fixed handle inside to fixed handle front end outside level extends and can carry out axial displacement, movable handle wherein one end stretches into fixed handle is inside and forms rotatory the support rather than, the activity handle other end activity down passes fixed handle's bottom wall body and extends to the fixed handle is outside, movable handle is located the pull rod rear side just the movable handle front side is formed with connecting portion, the pull rod rear end be formed with be used for with connecting portion complex converting part is so that can drive when movable handle rotates the pull rod carries out linear axial displacement.
When the device is used, an operator holds the fixed handle to stretch the head part of the device into a part to be treated, then applies force to the movable handle to enable the movable handle to rotate around a rotating fulcrum of the movable handle, and when the movable handle rotates, the pull rod can linearly and axially move through the matching between the connecting part and the converting part, so that two jaws of the head part are opened or closed, and therefore tissue of the part to be treated can be subjected to electric coagulation hemostasis.
As preferred, connecting portion including form in the activity handle rotates the switching trough of fulcrum below and is located the switching trough front side just rather than the groove of stepping down of intercommunication, the groove front side of stepping down is formed with the confession the opening that the pull rod rear end stretched into, switching portion is including being located switching disc in the switching trough, the activity of pull rod rear end is passed the groove of stepping down and stretch into extremely in the switching trough with switching disc rigid coupling.
Through be equipped with the switching groove that is located movable handle rotation fulcrum below in connecting portion and be located the switching groove front side and rather than the groove of stepping down of intercommunication, the groove front side of stepping down is formed with the opening that supplies the pull rod rear end to stretch into, the switching portion is including the conversion disc that is located the switching groove, the activity of pull rod rear end is passed the groove of stepping down and is stretched into to switching groove and conversion disc rigid coupling, can drive the switching groove simultaneously when making movable handle rotate around its rotation fulcrum and make circular motion round the rotation fulcrum of movable handle, the front and back cell wall in switching groove can promote the conversion disc and make axial motion when rotating, thereby drive the pull rod and make axial displacement, so that make two claws open or closed.
As preferred, the conversion disc with the terminal surface that the pull rod is connected is by middle circular plane and is located the annular inclined plane in the radial outside of circular plane constitutes, annular inclined plane orientation the axle center lopsidedness of pull rod, the pull rod terminal surface with circular plane is concentric just the terminal surface diameter of pull rod is less than circular planar diameter, in the conversion inslot with the conversion disc this end terminal surface relative side first half set up into with the first vertical face of circular plane contact, the latter half sets up to the bottom orientation and is close to the first inclined plane of stepping down groove lopsidedness.
The end face of the conversion disc connected with the pull rod is composed of a middle circular plane and an annular inclined plane located on the radial outer side of the circular plane, the annular inclined plane inclines towards one side of the axis of the pull rod, the end face of the pull rod is concentric with the circular plane, the diameter of the end face of the pull rod is smaller than that of the circular plane, the upper half part of the side face, opposite to the end face of the conversion disc, in the conversion groove is provided with a first vertical face in contact with the circular plane, the lower half part of the side face is provided with a first abdicating inclined plane with the bottom end facing to one side close to the abdicating groove, when the conversion groove performs anticlockwise circular motion around a rotation fulcrum of the movable handle, the first vertical face in the conversion groove can push the conversion disc to move backwards along the axial direction through contact and matching with the circular plane, when the first vertical face is about to be disengaged from the circular plane, the first abdicating inclined plane starts to be in contact with the annular inclined plane, so that the conversion disc can be continuously pushed to move backwards along the axial direction, so that two claws switch to the closed state from open state to the pull rod removes the first vertical face in the in-process switching groove and first abdicating inclined plane and contacts with the terminal surface of conversion disc all the time, in order to realize the linear movement of pull rod along the axial rearwards, in order to guarantee the smoothness when two claws are closed, can dodge the annular inclined plane on the conversion disc through first abdicating inclined plane in addition, so as to prevent that two claws are just blocked when not totally closed.
Preferably, the end face, far away from the pull rod, of the conversion disc is provided with a convex spherical surface, and the side face, opposite to the end face, in the conversion groove is provided with a second vertical face in contact with the top point of the spherical surface.
The end surface of the conversion disc far away from the pull rod is arranged to be a convex spherical surface, the side surface in the conversion groove opposite to the end surface is arranged to be a second vertical surface contacted with the top point of the spherical surface, when the conversion groove makes clockwise circular motion around the rotation fulcrum of the movable handle, the second vertical surface in the conversion groove can push the conversion disc to move forwards along the axial direction for resetting through the contact and matching with the top point of the spherical surface so as to switch the two clamp claws from a closed state to an open state, and the second vertical surface in the conversion groove is always contacted with the spherical surface on the conversion disc in the moving process of the pull rod, so as to realize the linear movement of the pull rod along the axial direction forwards and ensure the smoothness when the two clamp claws are opened, in addition, when the pull rod moves axially, the front end face and the rear end face of the conversion disc are always in contact fit with the front groove wall and the rear groove wall of the conversion groove, and the linear movement of the pull rod along the axial direction can be further ensured.
Preferably, the abdicating groove and the conversion groove are located the same side in the thickness direction of the movable handle is provided with an opening communicated with each other, the side face of the abdicating groove located above the radial direction of the pull rod is arranged to be a second abdicating inclined face facing to one side of the axis of the conversion disc.
Through stepping down the groove and shifting the trench in the ascending same one side of activity handle thickness side and being equipped with the opening that communicates each other, the side that is located the radial top of pull rod in the inslot of stepping down sets up the second inclined plane of stepping down to the axle center lopsidedness of orientation conversion disc for can will fix through this opening during the assembly in the conversion disc is installed to the shifting trench at the pull rod rear end, step down the inclined plane through the second in addition and can dodge the pull rod when activity handle anticlockwise rotation, prevent to interfere.
Preferably, the vertical height of the conversion groove is larger than the diameter of the conversion disc, and the vertical height of the rear end of the abdicating groove is larger than the diameter of the pull rod.
Through setting up the vertical height of converting groove to be greater than the diameter of conversion disc, the vertical height of the groove rear end of stepping down is greater than the diameter of pull rod to dodge pull rod and conversion disc when the converting groove makes circular motion around the rotation fulcrum of activity handle, prevent to interfere.
Preferably, a fixed finger ring part for the thumb of the operator to extend into is formed at the rear end of the fixed handle, and a movable finger ring part for the rest four fingers of the operator to extend into is formed at the lower end of the movable handle.
Through being formed with the fixed finger ring portion that supplies the operating personnel thumb to stretch into at the fixed handle rear end, the activity handle lower extreme is formed with the activity finger ring portion that supplies all the other four fingers of operating personnel to stretch into, it is fixed with the electricity coagulation forceps in can stretching into fixed finger ring portion through stretching into the thumb during operation, through stretching into all the other four fingers the activity handle of operation back and forth rotation in the activity finger ring portion, make operating personnel can cooperate the activity handle through all the other four fingers jointly, because the power point and the stress point of finger are more, make the easy operation and travelling comfort good, can prevent effectively that long-time use operating personnel's finger joint from taking place the damage.
Preferably, the fixed finger ring part is an elliptical through hole, and the movable finger ring part is a runway-shaped through hole.
Through setting up fixed ring portion to oval-shaped through-hole, the activity ring portion sets up to the through-hole of runway form, and the operating personnel of being convenient for uses to the travelling comfort of operation is good.
Preferably, a limiting groove for enabling the movable handle to rotate around a rotation fulcrum of the movable handle is formed in the fixed handle, the movable handle movably penetrates through the limiting groove, the limiting groove is located in a bottom wall body of the fixed handle and extends along the rotation direction of the movable handle, the limiting groove is communicated with the inside of the movable handle and the outside of the movable handle, and the front end of the movable handle abuts against the front end of the limiting groove in an initial state.
Through being formed with the spacing groove that supplies movable handle to rotate around its fulcrum of rotation on fixed handle, the activity handle activity passes the spacing groove, the spacing groove is located fixed handle's bottom wall internally and extends along movable handle's direction of rotation, the inside and movable handle outside of spacing groove intercommunication movable handle, under the initial condition, movable handle front end offsets with the spacing groove front end, make two claws be in the state that opens completely under the initial condition, can carry on spacingly to movable handle's turned angle through the spacing groove, so that when making movable handle rotate to two stops, two claws just are in the state that closes completely or open completely.
Preferably, two limiting columns which are mirror-symmetrical to each other are formed in the fixed handle, and one end of the movable handle, which is located inside the fixed handle, is located between the two limiting columns and forms a rotary support with the movable handle.
Through being formed with two spacing posts that are each other mirror symmetry in fixed handle, the activity handle is located the inside one end of fixed handle and is located between two spacing posts and rather than forming the rotation support, can carry out rotation support to the one end of activity handle through two spacing posts to make the activity handle can carry out rotary motion round spacing post.
Therefore, the invention has the advantages that the pull rod can linearly and axially move, the opening and closing of the clamp claws are smoother, the use by operators is convenient, a propelling component is not required to be added between the pull rod and the movable handle, the structure is simple, the production cost can be effectively reduced, and the like.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A in accordance with the present invention;
FIG. 4 is a schematic perspective view of the movable handle of the present invention;
fig. 5 is a schematic view of the connection structure of the pull rod and the conversion disk in the invention.
The scores in the figures are as follows: 1. fixing a handle; 2. a movable handle; 3. a pull rod; 4. a fixed finger ring part; 5. a movable finger ring part; 6. a connecting portion; 7. a conversion section; 8. a conversion tank; 9. a yielding groove; 10. converting the disc; 11. a circular plane; 12. an annular bevel; 13. a first vertical face; 14. a first abdication inclined plane; 15. spherical surface; 16. a second vertical face; 17. a second abdication inclined plane; 18. a limiting groove; 19. a limiting column.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in figures 1 and 2, the electrocoagulation pliers for laparoscopic surgery of the invention comprises a fixed handle 1, a movable handle 2 and a pull rod 3, wherein the fixed handle 1 is triangular, a fixed finger ring part 4 for an operator to extend into is formed at the rear end of the fixed handle 1, the fixed finger ring part 4 is an oval through hole, a movable finger ring part 5 for the rest four fingers of the operator to extend into is formed at the lower end of the movable handle 2, the movable finger ring part 5 is a runway-shaped through hole, the pull rod 3 horizontally extends from the inside of the fixed handle 1 to the outside of the front end of the fixed handle 1 and can axially move, one end of the movable handle 2 extends into the inside of the fixed handle 1 and forms a rotary support with the fixed handle, two limit columns 19 which are mirror images of each other are formed in the fixed handle 1, one end of the movable handle 2, which is positioned in the fixed handle 1, is positioned between the two limit columns 19 and forms a rotary support with the fixed handle, the other end of the movable handle 2 moves downwards to penetrate through the bottom wall body of the fixed handle 1 and extends to the outside of the fixed handle 1, a limiting groove 18 for the movable handle 2 to rotate around a rotating fulcrum of the movable handle is formed in the fixed handle 1, the limiting groove 18 is long-strip-shaped, the movable handle 2 penetrates through the limiting groove 18, the limiting groove 18 is located in the bottom wall body of the fixed handle 1 and extends along the rotating direction of the movable handle 2, the limiting groove 18 is communicated with the inside of the movable handle 2 and the outside of the movable handle 2, and in the initial state, the front end of the movable handle 2 abuts against the front end of the limiting groove 18.
As shown in fig. 3 and 4, the movable handle 2 is located at the rear side of the pull rod 3, and a connecting portion 6 is formed at the front side of the movable handle 2, the connecting portion 6 includes a conversion groove 8 formed below the rotation pivot of the movable handle 2 and a relief groove 9 located at the front side of the conversion groove 8 and communicated with the conversion groove, an opening into which the rear end of the pull rod 3 extends is formed at the front side of the relief groove 9, mutually communicated openings are formed at the same side of the relief groove 9 and the conversion groove 8 in the thickness direction of the movable handle 2, the vertical height of the conversion groove 8 is greater than the diameter of the conversion disc 10, the vertical height of the rear end of the relief groove 9 is greater than the diameter of the pull rod 2, a second relief inclined surface 17 inclined toward the side of the axis of the conversion disc 10 is formed at the side of the relief groove 9 located above the pull rod 3 in the radial direction, a conversion portion 7 for cooperating with the connecting portion 6 is formed at the rear end of the pull rod 3 to drive the pull rod 3 to perform linear axial movement when the movable handle 2 rotates, the conversion part 7 comprises a conversion disc 10 positioned in the conversion groove 8, and the rear end of the pull rod 3 movably penetrates through the abdicating groove 9 and extends into the conversion groove 8 to be fixedly connected with the conversion disc 10.
As shown in fig. 3 and 5, the end face of the conversion disc 10 connected to the pull rod 3 is composed of a middle circular plane 11 and an annular inclined plane 12 located on the radial outer side of the circular plane 11, the annular inclined plane 12 inclines towards one side of the axis of the pull rod 3, the end face of the pull rod 3 is concentric with the circular plane 11, the diameter of the end face of the pull rod 3 is smaller than that of the circular plane 11, the upper half part of the side face opposite to the end face of the conversion disc 10 in the conversion groove 8 is set to be a first vertical face 13 in contact with the circular plane 11, the lower half part of the side face is set to be a first abdicating inclined plane 14 with the bottom end inclined towards the side close to the abdicating groove 9, the end face of the conversion disc 10 far away from the pull rod 2 is set to be a convex spherical face 15, and the side face opposite to the end face in the conversion groove 8 is set to be a second vertical face 16 in contact with the vertex of the spherical face 15.
In the specific implementation of the embodiment, an operator stretches a thumb into the fixed finger ring part 4 to fix the electrocoagulation pliers, then stretches the other four fingers into the movable finger ring part 5, stretches the head part of the electrocoagulation pliers into the part to be treated, then applies force to the movable handle 2 through the four fingers to enable the movable handle 2 to rotate anticlockwise around the rotation fulcrum thereof, in the process, the conversion groove 8 can make anticlockwise circular motion around the rotation fulcrum of the movable handle 2, the first vertical surface 13 in the conversion groove 8 can push the conversion disc 10 to move backwards along the axial direction through the contact and matching with the circular plane 11, the first abdicating inclined surface 14 starts to contact with the annular inclined surface 12 when the first vertical surface 13 is about to be separated from the circular plane 11, so as to continuously push the conversion disc 10 to move backwards along the axial direction, so that the two jaws are switched from the open state to the closed state, and the tissue of the part to be treated can be subjected to electrocoagulation hemostasis, after the treatment is finished, the movable handle 2 is forced by four fingers to rotate clockwise around the rotation fulcrum of the movable handle 2 for resetting, in the process, the conversion groove 8 can do clockwise circular motion around the rotation fulcrum of the movable handle 2, and the second vertical surface 16 in the conversion groove 8 can push the conversion disc 10 to move forwards along the axial direction for resetting through contact and matching with the vertex of the spherical surface 15, so that the two jaws are switched from a closed state to an open state for the next treatment.
The invention has the advantages that the pull rod can linearly and axially move, so that the opening and closing of the clamp claws are smoother, the use by operators is convenient, a propelling component is not required to be added between the pull rod and the movable handle, the structure is simple, the production cost can be effectively reduced, and the like.
Claims (10)
1. An electrocoagulation pliers for laparoscopic surgery is characterized in that: comprises a fixed handle (1) with a hollow inner part, a movable handle (2) and a pull rod (3), the pull rod (3) horizontally extends from the inside of the fixed handle (1) to the outer side of the front end of the fixed handle (1) and can axially move, one end of the movable handle (2) extends into the fixed handle (1) and forms a rotary support with the fixed handle, the other end of the movable handle (2) moves downwards to penetrate through the bottom wall body of the fixed handle (1) and extend to the outside of the fixed handle (1), the movable handle (2) is positioned at the rear side of the pull rod (3) and a connecting part (6) is formed at the front side of the movable handle (2), a conversion part (7) matched with the connecting part (6) is formed at the rear end of the pull rod (3) so that the pull rod (3) can be driven to perform linear axial movement when the movable handle (2) rotates.
2. An electrocoagulation forceps for laparoscopic surgery according to claim 1, wherein: connecting portion (6) including form in activity handle (2) rotate switching groove (8) of fulcrum below and be located switching groove (8) front side and rather than yielding groove (9) of intercommunication, it forms the confession to yield groove (9) front side the opening that pull rod (3) rear end stretched into, switching portion (7) are including being located switching disc (10) in switching groove (8), pull rod (3) rear end activity is passed yield groove (9) and stretch into to in switching groove (8) with switching disc (10) rigid coupling.
3. An electrocoagulation forceps for laparoscopic surgery according to claim 2, wherein: conversion disc (10) with the terminal surface that pull rod (3) are connected is by middle circular plane (11) and is located circular plane (11) radially outside annular inclined plane (12) are constituteed, annular inclined plane (12) orientation the axle center lopsidedness of pull rod (3), pull rod (3) terminal surface with circular plane (11) are concentric just the end diameter of pull rod (3) is less than the diameter of circular plane (11), in conversion groove (8) with the side first half that this end face of conversion disc (10) is relative sets up to with first vertical face (13) of circular plane (11) contact, the latter half sets up to the bottom orientation and is close to the first inclined plane (14) of stepping down of groove (9) lopsidedness.
4. An electrocoagulation forceps for laparoscopic surgery according to claim 3, wherein: the end face, far away from the pull rod (2), of the conversion disc (10) is provided with a convex spherical surface (15), and the side face, opposite to the end face, in the conversion groove (8) is provided with a second vertical face (16) in contact with the top point of the spherical surface (15).
5. An electrocoagulation forceps for laparoscopic surgery according to claim 2 or 3, wherein: the abdicating groove (9) and the conversion groove (8) are located the same side in the thickness direction of the movable handle (2) is provided with an opening communicated with each other, the side surface of the radial upward direction of the pull rod (3) in the abdicating groove (9) is set to be oriented the second abdicating inclined surface (17) inclined at one side of the axle center of the conversion disc (10).
6. An electrocoagulation forceps for laparoscopic surgery according to claim 2 or 3, wherein: the vertical height of the conversion groove (8) is larger than the diameter of the conversion disc (10), and the vertical height of the rear end of the abdicating groove (9) is larger than the diameter of the pull rod (2).
7. An electrocoagulation forceps for laparoscopic surgery according to claim 1, 2 or 3, wherein: the fixed handle (1) rear end is formed with the fixed finger ring portion (4) that supplies the operating personnel thumb to stretch into, activity handle (2) lower extreme is formed with the activity finger ring portion (5) that supplies the remaining four fingers of operating personnel to stretch into.
8. An electrocoagulation forceps for laparoscopic surgery according to claim 1, 2 or 3, wherein: the fixed finger ring part (4) is an oval through hole, and the movable finger ring part (5) is a runway-shaped through hole.
9. An electrocoagulation forceps for laparoscopic surgery according to claim 1, 2 or 3, wherein: be formed with the confession on fixed handle (1) movable handle (2) rotate fulcrum pivoted spacing groove (18) around it, movable handle (2) activity is passed spacing groove (18), spacing groove (18) are located the internal and edge of bottom wall of fixed handle (1) the direction of rotation of movable handle (2) extends, spacing groove (18) intercommunication movable handle (2) inside with movable handle (2) outside, under the initial condition, movable handle (2) front end with spacing groove (18) front end offsets.
10. An electrocoagulation forceps for laparoscopic surgery according to claim 1, 2 or 3, wherein: two limiting columns (19) which are mirror-symmetric are formed in the fixed handle (1), and one end of the movable handle (2) which is located inside the fixed handle (1) is located between the two limiting columns (19) and forms a rotary support with the limiting columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111281202.4A CN113827338B (en) | 2021-11-01 | 2021-11-01 | Electric coagulation forceps for laparoscopic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111281202.4A CN113827338B (en) | 2021-11-01 | 2021-11-01 | Electric coagulation forceps for laparoscopic surgery |
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| Publication Number | Publication Date |
|---|---|
| CN113827338A true CN113827338A (en) | 2021-12-24 |
| CN113827338B CN113827338B (en) | 2022-12-02 |
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| CN202111281202.4A Active CN113827338B (en) | 2021-11-01 | 2021-11-01 | Electric coagulation forceps for laparoscopic surgery |
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| CN113827338B (en) | 2022-12-02 |
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Denomination of invention: A type of electrocoagulation forceps for laparoscopic surgery Granted publication date: 20221202 Pledgee: Agricultural Bank of China Limited Dongyang sub branch Pledgor: ZHEJIANG WEDU MEDICAL DEVICES CO.,LTD. Registration number: Y2024330000339 |