CN210872016U - Surgical forceps - Google Patents
Surgical forceps Download PDFInfo
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- CN210872016U CN210872016U CN201921467327.4U CN201921467327U CN210872016U CN 210872016 U CN210872016 U CN 210872016U CN 201921467327 U CN201921467327 U CN 201921467327U CN 210872016 U CN210872016 U CN 210872016U
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Abstract
The utility model discloses an operation forceps, including setting up the electrode subassembly on the load-bearing member, electrode subassembly includes that working pole and return circuit are utmost, at least one in working pole and the return circuit utmost point moves between separately-positioned position and being close to the position for another person, set up the logical groove that extends to the utmost point distal end terminal surface of return circuit from the extremely near-end of return circuit in the pincers of return circuit close the portion, the pincers that work utmost point closed the portion embedding logical groove when being close to the position, and the distal end that the portion was closed to the working pole pincers aligns with the utmost point distal end of return circuit, still be provided with the attraction passageway that is used for discharging smog on the operation forceps, electrode subassembly passes through the power supply module on the handle and is connected with. The utility model discloses can carry out accurate operation to the tissue of subregion, the tissue that presss from both sides that can be accurate carries out the electricity and congeals, still can be convenient carry out point contact electricity and congeal hemostasis, the operation precision is high, reaches the purpose of handling the target tissue more meticulously to can discharge the smog that the operation produced, ensure good operation field of vision.
Description
Technical Field
The utility model relates to a medical surgical instrument technical field especially relates to an operation pincers.
Background
Surgical electrode forceps are a common type of electrosurgical instrument that includes a pair of jaw members that are controllably opened and closed to grasp target tissue therebetween, the jaw members being brought into proximity to apply a mechanical clamping force to the tissue while electrosurgical energy is delivered to the tissue through one or more electrode surfaces of the jaw members to perform an electrosurgical, electrocoagulating procedure.
However, the operation precision of the existing operation electrode forceps is poor, accurate electrosection and electrocoagulation are difficult to be carried out on small-area target tissues, non-target tissues are easily damaged, operation trauma is large, the operation effect is poor, smoke is large in the operation process, and the operation visual field is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve and the technical task who provides improve prior art, provide an operation pincers, the operation accuracy of solving the operation electrode pincers among the prior art is relatively poor, is difficult to carry out accurate electrotomy, electric coagulation to the small region target tissue, and smog influences the problem in the field of vision greatly.
For solving the above technical problem, the technical scheme of the utility model is that:
a forceps comprises an electrode assembly, a carrier member, a driving member, and an operating member, wherein the electrode assembly is arranged at the distal end of the carrier member, the proximal end of the carrier member is connected with the operating member, the electrode assembly comprises a working electrode and a return electrode, at least one of the working electrode and the return electrode is driven by a driving piece connected with an actuating piece movable on the operating component to move between a separated position and a close position relative to the other one, the opposite sides of the working electrode and the return electrode are respectively provided with clamping parts, the clamping part of the loop pole is provided with a through groove extending from the near end of the loop pole to the far end face of the loop pole, the clamping part of the working electrode is embedded into the through groove when in the close position, the far end of the clamping part of the working electrode is aligned with the far end of the return circuit electrode, the operation component is provided with a suction pipe fitting which is communicated with a suction channel extending from the near end to the far end of the bearing component.
The surgical clamp of the utility model adopts the structure that the working electrode and the return circuit electrode are embedded into the through groove when being close to the position, the working electrode and the return circuit electrode form a closed electric field, the high-speed motion of sodium ions and other particles in tissues bombards molecular bonds of the tissues, so that hydrogen bonds are broken, the purpose of solidification is achieved, after the tissues are solidified, the impedance is increased, the embedded part of the working electrode and the contact part of the tissues generate plasma, and the working electrode can well cut the tissues;
the through groove on the loop pole extends from the near end of the loop pole to the far end face, namely the far end of the loop pole does not seal the end part of the through groove, the far end face of the loop pole is provided with a notch of the cross section of the through groove, and meanwhile, the far end of the clamping part of the working pole is aligned with the far end of the loop pole, so that the tissue in a small area can be precisely clamped, electrically cut and electrically coagulated when the working pole and the loop pole are close to each other, the structure of the through groove can also conveniently clean the loop pole, and the far end faces of the working pole and the loop pole can be utilized to carry out point contact hemostasis when the working pole and the loop pole are close to each other, so that the coagulation precision is improved, and;
the cross-sectional dimensions of the working electrode and the loop electrode are far smaller than the lengths of the working electrode and the loop electrode from the near end to the far end, the area of the far end face of the loop electrode is further reduced by the design of the through groove of the loop electrode, the working electrode is embedded into the through groove when the working electrode and the loop electrode are in the clamped close position, and further the area of the far end face of the working electrode is smaller, and during surgery, the far end faces of the working electrode and the loop electrode can conveniently perform point contact electrocoagulation hemostasis on smaller target tissues, so that the purpose of finely processing the target tissues is further ensured;
and the last suction pipe fitting of operating forceps can be discharged the smog that the in-process produced of electrocoagulation, electrosection after connecting the aspirator, avoids smog to block the operation field of vision, avoids smog to cause the pollution to the wound, can effectively ensure the quality of operation.
Furthermore, the contact area of the working electrode clamping part and the tissue is smaller than that of the loop electrode clamping part and the tissue, plasma can be generated at the contact part of the working electrode embedding part and the tissue, and the working electrode can better cut the tissue.
Furthermore, the cross section of the working electrode clamping part is wedge-shaped, so that the contact area of the working electrode clamping part and the tissue is reduced, the contact surface of the working electrode clamping part and the tissue is further smaller than that of the loop electrode clamping part and the tissue, plasma can be generated on the contact part of the working electrode embedding part and the tissue, and the working electrode can cut the tissue better.
Furthermore, the working electrode and the return circuit electrode are electrically insulated when the working electrode and the return circuit electrode are close to each other, so that the short circuit condition is avoided, the arc discharge is avoided, and the use reliability and safety are improved.
Furthermore, when the working electrode is close to the position, a gap is formed between the working electrode and the inner wall of the through groove, so that the working electrode is not in contact with the loop electrode, short circuit caused by contact of the working electrode and the loop electrode is effectively avoided, and the use reliability is improved.
Furthermore, the through groove of the loop pole is internally provided with an electric insulating layer used for being isolated from the working pole, so that the working pole and the loop pole are prevented from being accidentally contacted to cause short circuit, the working pole and the loop pole are further ensured to be always kept in good electric insulation by the electric insulating layer, the protection is improved, and the electrode clamp assembly can be stably operated.
Further, the electric insulation layer is an elastic electric insulation layer, such as rubber and the like.
Furthermore, when the working electrode and the loop electrode are close to each other, the far ends of the working electrode and the loop electrode are flush planes perpendicular to the extension direction of the far ends, accurate point contact electric coagulation hemostasis can be conveniently carried out on tissues in a small area by using the far end faces of the working electrode and the loop electrode, point contact hemostasis is carried out without large-angle adjustment, and limitation in operation is overcome.
Furthermore, the clamping part of the loop pole is provided with teeth positioned at two sides of the through groove, and the teeth are used for preventing the electrode clamp assembly from sliding and falling off when grabbing and separating target tissues, so that the accuracy and the reliability of the operation are improved.
Furthermore, the working electrode and the loop electrode are of a bent structure, so that the tissue on the side of the electrode clamp assembly in the feeding direction can be clamped, the electrode clamp assembly is suitable for different application environments, and the operation can be conveniently and accurately carried out.
Furthermore, the cross-sectional dimensions of the working electrode and the return circuit electrode are gradually reduced from the near end to the far end, so that the operation of tissues in a small area is facilitated, meanwhile, the electrode assembly is prevented from blocking the sight, a doctor can conveniently and clearly see the working state of a target position, and the operation risk is reduced.
Compared with the prior art, the utility model discloses the advantage lies in:
the pair of surgical forceps has simple and compact structure, adopts a bipolar structure, and the electrosurgical energy only acts on target tissues, does not need the matching of negative plates, does not electrify the whole human body, can avoid the potential safety hazard caused by the easy falling of the negative plates of the common monopolar electrode, can not burn the human body, saves the trouble of using the negative plates, and ensures that the operation is safer and more convenient;
a through groove for accommodating the working electrode is formed in the loop electrode, and the far end of the clamping part of the working electrode is aligned with the far end of the loop electrode, so that the tissues in a small area can be precisely clamped at the far end edges of the working electrode and the loop electrode, and further, precise electrotomy and electrocoagulation can be realized;
when the surgical forceps are in the close position of the forceps closure, the working electrode and the loop electrode can keep a good insulation state, the condition of short circuit is effectively avoided, the use reliability and safety are improved, point contact electric coagulation hemostasis can be carried out by utilizing the distal end surfaces of the working electrode and the loop electrode, the surgical precision is improved, the purpose of finely processing target tissues is achieved, and the limitation in surgical operation is overcome;
the sliding and falling off of the target tissue during grabbing and separating can be effectively avoided, and the accuracy and reliability of the operation can be improved;
the visual field is good during the operation, so that doctors can conveniently and clearly see the working state of the target position, and the operation risk is reduced;
the smoke generated in the electrocoagulation and electrosection processes can be discharged, the smoke is prevented from blocking the operation visual field, the smoke is prevented from polluting the wound, and the operation quality can be effectively guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of a pair of forceps according to a first embodiment;
FIG. 2 is a schematic structural view of an electrode assembly according to the first embodiment;
FIG. 3 is a cross-sectional view of a distal end of a load bearing member according to a first embodiment;
FIG. 4 is a schematic view of a connection structure between the working electrode and the driving member according to the first embodiment;
FIG. 5 is a schematic view of the distal end face configuration of the working and return poles in the closed position;
FIG. 6 is a schematic view showing an internal structure of an operating member according to the first embodiment;
FIG. 7 is a cross-sectional view of the distal end of the carrier according to the second embodiment;
FIG. 8 is a cross-sectional view of the distal end of the carrier member according to the third embodiment
FIG. 9 is a schematic cross-sectional view illustrating the working electrode and the return electrode of the fourth embodiment bent in the depth direction of the through-groove;
FIG. 10 is a schematic top view of the working pole and the return pole of the fourth embodiment of the present invention, which are bent to the right of the through slot;
FIG. 11 is a schematic sectional view of a fifth embodiment of a working electrode and a return electrode in a close-up position;
FIG. 12 is a schematic sectional view of a fifth embodiment of a working electrode and a return electrode in close proximity;
FIG. 13 is a schematic sectional view showing a third working electrode and a return electrode in a close position according to the fifth embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses an operation pincers can carry out accurate electrotomy, electricity congeals to the subregion target tissue, reduces the operation wound, effectively avoids causing the damage to non-target tissue, and the operation fineness is good, is favorable to the postoperative to resume, can effectively discharge the smog that produces among the operation process, ensures good operation field of vision, ensures the operation effect.
As used herein, the term "proximal" refers to the end of the device or portion thereof that is closer to the user, and the term "distal" refers to the end of the device or portion thereof that is further from the user.
Example one
As shown in fig. 1 to 6, the forceps mainly include an electrode assembly a, a carrier member 1, a driving member 5 and an operating member, wherein a proximal end of the carrier member 1 is connected to the operating member, the electrode assembly is disposed at a distal end of the carrier member 1 and electrically connected to a power supply assembly disposed on the operating member, the electrode assembly mainly includes a working electrode 2 and a return electrode 3, the working electrode 2 and the return electrode 3 are in two positions of being separated from and adjacent to each other, the working electrode 2 and the return electrode 3 are in the adjacent state to grasp tissue therebetween for electrotomy and electrocoagulation, a distal end of the driving member 5 is connected to the electrode assembly, and a proximal end of the driving member 5 is linked to an operable actuating member disposed on the operating member, so that the working electrode 2 and the return electrode 3 are switched between the separated position and the adjacent position by controlling the actuating member.
Specifically, the bearing member 1 is a straight pipe and is a conductive steel pipe, the loop pole 3 is electrically connected with the through pipe and is fixed in position, only the working pole 2 moves between a separated position and a close position relative to the loop pole 3, the electrode assembly further comprises an insulating part 4 fixed at the far end of the bearing member 1, the working pole 2 is rotatably connected with the insulating part 4 through an insulated rotating pin shaft 41, so that the working pole 2 is close to the loop pole 3 or far from the loop pole 3 in a rotating mode, a driving part 5 reciprocating along the length direction of the through pipe penetrates through the through pipe, the driving part 5 is connected with the working pole 2 through a transmission mechanism, the transmission mechanism comprises a kidney-shaped hole 21 arranged on the working pole 2 and a transmission pin shaft 51 penetrating through the kidney-shaped hole 21, the transmission pin shaft 51 can freely move along the length direction of the kidney-shaped hole 21, and the far end of the driving part 5 is connected with the transmission pin shaft 51, the driving piece 5 drives the working electrode 2 to move between a separation position and a close position in a rotating mode along the length direction of the through pipe, the driving piece 5 is a conductive metal rod, the transmission pin shaft 51 is a conductive metal piece, so that the working electrode 2 is electrically conducted with the driving piece 5, the loop electrode 3 is electrically conducted with the through pipe, a first insulating layer 52 is arranged on the periphery of the driving piece 5, a second insulating layer 11 is arranged on the outer wall of the through pipe to avoid the short circuit condition, the driving piece 5 and the through pipe are connected with an electrosurgical energy generating device through a power supply assembly on an operating component, so that electrosurgical energy is transmitted to the working electrode and the loop electrode which are positioned at the far end through the driving piece and the through pipe, and the electrosurgical energy is applied to tissues contacted with the electrode assembly to cut and.
The opposite sides of the working electrode 2 and the loop electrode 3 are respectively provided with a clamping part, the clamping part of the loop electrode 3 is provided with a through groove 31 extending from the near end of the loop electrode 3 to the far end face of the loop electrode 3, the through groove 31 penetrates through the far end face of the loop electrode 3, namely the far end of the loop electrode does not close the end part of the through groove, the far end face of the loop electrode is provided with a notch of the cross section of the through groove, when the working electrode 2 and the loop electrode 3 are at close positions, the clamping part of the working electrode 2 is embedded into the through groove 31 and is kept in an electric insulation state with the loop electrode 3, the far end of the clamping part of the working electrode 2 is aligned with the far end of the loop electrode 3, and when the working electrode 2 is in motion conversion between the separation position and the close position, the far ends of the working electrode 2 and the loop electrode 3;
the first mode is that a gap is formed between the working electrode 2 and the inner wall of the through groove 31, namely the transverse width of the through groove 31 is larger than that of the working electrode, and a gap is reserved between the working electrode 2 and the bottom side of the through groove 31, so that the working electrode 2 and the return electrode 3 are ensured not to be contacted completely, the electric insulation between the working electrode 2 and the return electrode 3 is ensured all the time, and the short circuit condition is avoided; the second way is to arrange an electric insulating layer for isolating the working electrode 2 on the loop electrode 3, wherein the electric insulating layer is preferably an elastic electric insulating layer, and the electric insulating layer is arranged in the through groove 31, so that the working electrode 2 can be electrically insulated from the loop electrode even if the working electrode 2 is attached to the wall surface of the through groove 31, and the short circuit condition is avoided; the third mode is the combination of the first mode and the second mode, an electric insulating layer used for being isolated from the working electrode 2 is also arranged on the wall surface of the through groove 31 while a gap is formed between the working electrode 2 and the inner wall of the through groove 31, double measures are adopted to ensure that the working electrode 2 and the return circuit electrode 3 can reliably achieve electric insulation, the electric surgical energy generating device is prevented from being burnt out by short circuit or the operation process is not influenced, the use stability of the operation forceps is ensured, and the electric excision and the electric coagulation can be reliably carried out.
In the present embodiment, as shown in fig. 3, when the working electrode 2 and the circuit electrode 3 are in close positions, the distal ends of the working electrode 2 and the circuit electrode 3 are flush surfaces perpendicular to the extending direction of the distal ends, so that the distal end surfaces of the working electrode and the circuit electrode can conveniently perform precise point-contact electrocoagulation hemostasis on tissues in a small area, and point-contact hemostasis is performed without large-angle adjustment, thereby overcoming the limitation in surgical operation.
The contact area of the clamping part of the working electrode 2 and the tissue is smaller than that of the clamping part of the loop electrode 3, the cross section of the working electrode can be in various shapes, preferably, the cross section of the clamping part of the working electrode 2 is wedge-shaped, namely, the width of the clamping part of the working electrode 2 is narrower and narrower towards the depth direction of the through groove, plasma can be generated at the contact part of the embedded part of the working electrode and the tissue, and the working electrode can better cut the tissue.
The cross-sectional dimensions of the working electrode 2 and the return circuit electrode 3 are gradually reduced from the near end to the far end, namely the working electrode 2 and the return circuit electrode 3 are in wedge-shaped structures from the near end to the far end, so that a doctor can conveniently and clearly see the working state of a target position, and the operation risk is reduced.
The operation member mainly comprises a handle 6 with a cavity, the near end of the through pipe is inserted into the handle 6, the power supply assembly mainly comprises a cable 81 and a plug 82, the near end of the cable 81 is introduced into the handle 6, the far end of the cable 81 is connected with the plug 82, the part of the through pipe located inside the handle is provided with a conductive exposed section, the outer wall of the conductive exposed section is not coated with the second insulating layer 11, the conductive exposed section is electrically connected with one conducting wire of the cable 81, the near end of the driving part 5 penetrating out of the near end of the through pipe is also provided with a conductive exposed section, the outer wall of the conductive exposed section is not coated with the first.
The actuating component mainly comprises a trigger 7 which is rotatably arranged on a handle 6 and moves between an initial position and an actuating position, a retaining ring 53 and a first return spring 54 are sleeved on the part of the actuating component 5 positioned in the handle 6, a limiting piece 61 is arranged in the handle 6, the first return spring 54 is abutted between the retaining ring 53 and the limiting piece 61, the first return spring 54 is in a compressed state and is the first return spring 54, the acting force of the first return spring 54 enables the proximal end of the actuating component 5 to abut against the trigger 7, the acting force of the first return spring 54 drives the trigger 7 to return to the initial position, meanwhile, the working electrode 2 and the circuit electrode 3 return to the close position, the trigger 7 rotates to the actuating position by pressing the trigger 7, so that the trigger 7 pushes the actuating component 5 to move along a through pipe, the actuating component 5 drives the working electrode 2 to be converted to the separation position, and simultaneously, the first return spring 54, after releasing the trigger 7, the first return spring 54 releases the spring force and the driving member 5 moves along the duct to return, so that the working electrode 2 returns to the close position and the trigger 7 returns to the initial position. In order to improve the reliability of the action, a second reset tension spring 71 used for driving the trigger 7 to reset to the initial position is connected between the trigger 7 and the operation component, when the trigger 7 is at the initial position, the second reset tension spring 71 is in a stretching state, when the trigger 7 is pressed to be converted to the actuating position, the second reset tension spring 71 is further stretched, after the trigger 7 is released, the second reset tension spring 71 releases the elastic force to enable the trigger 7 to more reliably reset to the initial position, the condition that the driving piece cannot be effectively reset due to the clamping stagnation of the trigger is avoided, the condition that the working electrode and/or the circuit electrode cannot be moved and converted between the separated position and the close position is avoided, and the reliability of the operation of the surgical forceps is ensured.
The smoke discharging mechanism comprises a suction pipe 91 extending into the handle 6 and a suction channel 92 formed by a hollow driving piece 5, the end part of the suction pipe 91 extending into the handle 6 is communicated with the hollow driving piece 5, the other end of the suction pipe is used for being connected with an aspirator, when smoke is generated in operation, the aspirator is started to work, the smoke is sucked from the far end of the driving piece 5 and then enters the suction pipe 91 from the near end of the driving piece 5 along the hollow part of the driving piece 5, finally the smoke is sucked by the aspirator, the driving piece 5 realizes multiple functions, the first function is transmission, the movement of the actuating piece between the initial position and the actuating position is converted into the movement of the electrode assembly between the separated position and the close position, the second function is used for discharging the smoke, and a good operation visual field is ensured, the operation quality is guaranteed, extra parts are not needed, the structure is compact, the occupied space is small, the number of parts is small, and the manufacturing cost is low.
Example two
As shown in fig. 7, the difference from the first embodiment is that the smoke evacuation mechanism includes a suction pipe member extending into the handle 6 and a suction passage 92 fixedly provided in the through pipe and extending from the proximal end to the distal end of the through pipe, the suction passage 92 is a separate pipe and is provided side by side with the driving member 5, the end of the suction pipe member 91 extending into the handle 6 communicates with the suction passage 92, and the other end of the suction pipe member is used for connecting with the aspirator, the present embodiment is different from the case where the hollow driving member 5 constitutes the suction passage, and the suction passage 92 is fixed in the through pipe, so that the distal port of the suction passage 92 is fixed in position, and does not move in the axial direction of the through pipe like the hollow driving member 5, thereby ensuring stable suction effect to smoke, and the suction effect to smoke is not deteriorated due to the change in the distal port position of the suction passage.
EXAMPLE III
As shown in fig. 8, the difference from the first embodiment is that the transmission mechanism is a linkage rod 55, one end of the linkage rod 55 is hinged to the working electrode 2, the other end of the linkage rod 55 is hinged to the driving member 5, the working electrode, the linkage rod and the driving member form a crank-link structure, and the driving member 5 moves along the through pipe to drive the working electrode 2 to be switched between the separated position and the adjacent position in a rotating manner. Simple structure, high transmission efficiency, good transmission stability, and ensures that the working electrode 2 can stably carry out state conversion in a rotating mode, thereby reliably grabbing, electrically cutting and electrically coagulating tissues.
Example four
As shown in fig. 9 and 10, the first embodiment is different from the first embodiment in that the working electrode 2 and the circuit electrode 3 have a curved structure, the working electrode 2 and the circuit electrode 3 may have a curved structure in the depth direction of the through groove 31, may have a curved structure in the opening direction of the through groove 31, or may have a curved structure in both side directions of the through groove 31, and the working electrode 2 and the circuit electrode 3 can clamp tissue on the side in the feeding direction of the forceps by using the curved structure, and are suitable for different surgical scenes.
EXAMPLE five
As shown in fig. 11 and 12, the difference from the embodiment is that when the working electrode 2 and the circuit electrode 3 are in the close position, the distal ends of the working electrode 2 and the circuit electrode 3 are oblique flush planes inclined to the distal end extending direction, in the distal end extending direction, the distal end of the working electrode 2 may exceed the distal end of the circuit electrode 3, or the distal end of the circuit electrode 3 may exceed the distal end of the working electrode 2, as shown in fig. 13, a structure may also be adopted in which the engaging region of the clamping portion of the working electrode 2 and the through groove 31 protrudes in the distal end extending direction when the working electrode 2 and the circuit electrode 3 are in the close position, that is, the distal ends of the working electrode 2 and the circuit electrode 3 form a sharp-angled structure, and the above manners can conveniently utilize the distal end faces of the working electrode and the circuit electrode to perform precise point contact hemostasis on tissues in a small region.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (11)
1. The surgical forceps are characterized by comprising an electrode assembly (a), a bearing member (1), a driving piece (5) and an operating member, wherein the electrode assembly (a) is arranged at the far end of the bearing member (1), the near end of the bearing member (1) is connected to the operating member, the electrode assembly comprises a working electrode (2) and a circuit electrode (3), at least one of the working electrode (2) and the circuit electrode (3) is driven by the driving piece (5) connected with an actuating piece movable on the operating member to move between a separated position and a close position relative to the other, the opposite sides of the working electrode (2) and the circuit electrode (3) are respectively clamped parts, a through groove (31) extending from the near end of the circuit electrode (3) to the far end face of the circuit electrode (3) is formed in the clamped part of the circuit electrode (3), and the clamped part of the working electrode (2) is embedded into the through groove (31) when the circuit electrode is close to the position, and the far end of the clamping part of the working electrode (2) is aligned with the far end of the loop electrode (3), the operating component is provided with a suction pipe (91), and the suction pipe (91) is communicated with a suction channel (92) extending from the near end to the far end of the bearing component (1).
2. The forceps according to claim 1, characterized in that the area of contact between the clamping portion of the working electrode (2) and the tissue is smaller than the area of contact between the clamping portion of the return electrode (3) and the tissue.
3. The forceps according to claim 2, characterized in that the cross section of the clamping portion of the working electrode (2) is wedge-shaped.
4. The forceps according to claim 1, characterized in that the working electrode (2) is electrically insulated from the return electrode (3) when the working electrode (2) and the return electrode (3) are in the closed position.
5. The forceps according to claim 4, characterized in that the working electrode (2) has a clearance with the inner wall of the channel (31) when the working electrode (2) is in the closed position.
6. The forceps according to claim 4, characterized in that an electrically insulating barrier is provided in the through-slot (31) of the return pole (3) for insulating the working pole (2).
7. The surgical clamp of claim 6, wherein said electrically insulating layer is a resilient electrically insulating layer.
8. The forceps according to any one of claims 1 to 7, characterized in that the distal ends of the working pole (2) and the return pole (3) are flush planes perpendicular to the direction of extension of the distal ends when the working pole (2) and the return pole (3) are in the closed position.
9. The forceps according to any one of claims 1 to 7, characterized in that the clamping portion of the return pole (3) is provided with teeth (32) on both sides of the through slot (31).
10. The forceps according to any one of claims 1 to 7, characterized in that the working pole (2) and the return pole (3) are of a curved configuration.
11. The forceps according to any one of claims 1 to 7, wherein the working pole (2) and the return pole (3) both have cross-sectional dimensions that decrease from the proximal end to the distal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467327.4U CN210872016U (en) | 2019-09-05 | 2019-09-05 | Surgical forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467327.4U CN210872016U (en) | 2019-09-05 | 2019-09-05 | Surgical forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210872016U true CN210872016U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921467327.4U Active CN210872016U (en) | 2019-09-05 | 2019-09-05 | Surgical forceps |
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| CN (1) | CN210872016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432981A (en) * | 2019-09-05 | 2019-11-12 | 成都美创医疗科技股份有限公司 | A kind of surgical clamp |
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2019
- 2019-09-05 CN CN201921467327.4U patent/CN210872016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432981A (en) * | 2019-09-05 | 2019-11-12 | 成都美创医疗科技股份有限公司 | A kind of surgical clamp |
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