CN110537977A - Bendable bipolar radio frequency tool bit - Google Patents
Bendable bipolar radio frequency tool bit Download PDFInfo
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- CN110537977A CN110537977A CN201910903971.XA CN201910903971A CN110537977A CN 110537977 A CN110537977 A CN 110537977A CN 201910903971 A CN201910903971 A CN 201910903971A CN 110537977 A CN110537977 A CN 110537977A
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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
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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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
- A61B2018/00053—Mechanical features of the instrument of device
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
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- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a bendable bipolar radio-frequency tool bit, which comprises a plug, a long cylinder, a left splint and a right splint which are arranged in the hollow of the long cylinder and connected with the plug, a small screw cap arranged at the rear end of the left splint, a cylindrical cap sleeved at the rear end of the long cylinder, a hollow short cylinder sleeved at the front end of the long cylinder, a convex conical cap sleeved at the front end of the short cylinder by adopting threads, a luer arranged at the front end of the convex conical cap, an outer sheath pipe which is arranged at the rear end of the convex conical cap and penetrates through the luer and the convex conical cap in sequence and is hollow, a front double-cavity pipe arranged in the hollow of the outer sheath pipe, a tool bit arranged at the front end of the front double-cavity pipe, an angle adjusting mechanism arranged in the hollow of the short cylinder, two hard guide wires which are connected with the rear ends of the angle adjusting mechanism and the front ends of the angle adjusting mechanism and the tool bit respectively, and a spring arranged in the short cylinder and between the angle adjusting mechanism and the front end of the long cylinder, a male head fixed at the rear end of the outer edge of the short cylinder and a female head fixed at the outer edge of the long cylinder.
Description
Technical Field
The invention relates to the field of endoscopic surgery, in particular to a bendable bipolar radio-frequency cutter head.
Background
The radio-frequency cutter head is used in endoscopic surgery and is matched with a radio-frequency surgery system for use; the operation electrode has the functions of cutting, ablating, coagulating and the like on the soft tissues among the cones in the operation. The principle of the plasma technology is to apply energy to sodium ions, not molecules of tissues, and thus has the characteristic of low temperature and minimal invasion. The principle is that sodium ions in electrolyte (physiological saline) are excited through a radio frequency electric field, an ionized plasma layer is generated between two poles of an operation electrode, then the highly excited plasma is used for breaking molecular bonds of tissues, and the accelerated ions in the plasma thin layer have extremely short action range of only 100 microns, so that the ablation effect is accurately controlled on the surface layer of the tissues in contact with the radio frequency electrode, the deep tissues are not affected, and the surface of a wound is slightly damaged. In addition, since the electric field exists only between the two poles of the electrode and does not go deep into the patient, the energy can be precisely controlled, the effect of decomposing tissues at low temperature (40-70 ℃) can be achieved, and the thermal damage can be reduced to the minimum. The technique can also shrink collagen, thereby achieving hemostasis and vessel sealing while ablating.
At present, the existing bipolar radio-frequency cutter head on the market can not be bent in the clinical use process, the operation is inconvenient, and the operation period is prolonged; in addition, the existing bipolar radio-frequency cutter head has no locking device, a doctor can work after pressing the handle, misoperation is easy to cause, and hand fatigue is easy to cause due to more operation times;
Therefore, it is urgently needed to provide a bendable bipolar radio-frequency cutter head with simple structure, simple operation, adjustable angle and self-locking.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a bendable bipolar rf tool bit, which adopts the following technical solutions:
A bendable bipolar radio-frequency tool bit comprises a plug matched with a radio-frequency operation system, a hollow long barrel, a left splint and a right splint which are arranged in the hollow of the long barrel, connected with the plug by adopting a cable and matched with each other, a small screw cap arranged at the rear end of the left splint, arranged in the hollow of the long barrel and used for fixing the cable on the left splint, a cylindrical cap sleeved at the rear end of the long barrel and wrapped on the outer edge of the small screw cap, a hollow short barrel sleeved at the front end of the long barrel, a raised conical cap sleeved at the front end of the short barrel by adopting threads, a luer arranged at the front end of the raised conical cap, an outer sheath tube which is arranged at the rear end of the raised conical cap and penetrates through the luer and the raised conical cap in sequence and is hollow, a front double-lumen tube arranged in the hollow of the outer sheath tube, a tool bit arranged at the front end of the front double lumen tube, and an angle adjusting mechanism arranged in the hollow of the short barrel, the rear end of the angle adjusting mechanism is connected with the angle adjusting mechanism, and the front end of the angle adjusting mechanism is connected with the tool bit respectively; the hollow of the outer sheath tube is communicated with the luer port.
Further, the bendable bipolar radio-frequency cutter head further comprises handles which are respectively in shaft connection with the outer edge of the long barrel and the outer edge of the short barrel.
Preferably, the section of the front end of the long cylinder is in an I shape, and the inner wall of the short cylinder is provided with a limiting column matched with the I shape.
furthermore, the cutter head consists of a turning joint, a ceramic tube and an electrode tip which are sequentially arranged from back to front;
The turning joint is provided with a plurality of joints, and two hard guide wires respectively penetrate through the turning joint and the ceramic tube in sequence and are connected with the electrode tip.
Furthermore, the angle adjusting mechanism comprises two pulley fixing pieces fixed in the hollow of the short cylinder and used for sliding and supporting two hard guide wires, a driving block for clamping and fixing the two hard guide wires up and down respectively, a hand ring which is fixedly connected with the center of the driving block by a shaft penetrating through the short cylinder and stretches and swings along the planes of the two hard guide wires, soft guide wires which are arranged at the rear end of the driving block and are connected with the two hard guide wires in a one-to-one correspondence manner, and a rear double-cavity tube which is sleeved on the outer edge of the soft guide wires and is arranged in the long cylinder; the rear double-cavity tube is arranged between the left splint and the right splint; and a plurality of rolling shafts are arranged between the two pulley fixing pieces.
Preferably, a tapered hole is formed in the convex conical cap, and a cross-shaped clamp sleeved on the outer edge of the outer sheath tube is arranged in the tapered hole.
preferably, a small gasket is arranged between the front end of the short cylinder and the cross clamp; a dumbbell groove is arranged in the luer port, and at least one large gasket is arranged at two ends of the dumbbell groove and arranged in the luer port respectively.
Preferably, any one of the direction-changing joints comprises a cylindrical table, a hemispherical boss arranged in the center of the front end of the cylindrical table, an arc-shaped groove arranged at the rear end of the cylindrical table and matched with the hemispherical boss in a sliding contact manner, and a hard guide wire through hole which penetrates through the cylindrical table, is arranged on two sides of the hemispherical boss and is used for penetrating through a hard guide wire.
furthermore, at least two stepped slotted holes are uniformly formed in the female head and on the opposite surface of the male head in an annular mode, and a locking sheet which is matched with the stepped slotted holes in a thread locking mode is arranged on the male head.
A radio frequency surgical system includes a bendable bipolar radio frequency cutter head.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the cutter head with the turning joint and the angle adjusting mechanism for adjusting the angle of the cutter head are skillfully arranged, and the cutter head is connected with the angle adjusting mechanism by adopting the hard guide wire, so that the support can be provided for the turning joint, and the bending adjustment of the cutter head can be realized under the push-pull action of the bracelet;
(2) The invention skillfully arranges a female head, a male head, a left splint, a right splint and a long tube, if and only if the bending angle of the cutter head is adjusted and determined, the rear double-cavity tube is arranged between the left splint and the right splint by pushing the female head to be close to the male head and driving the long tube to move forwards; the female head is rotated and is in threaded connection with the male head, and meanwhile, the left splint and the right splint extrude the rear double-cavity tube to lock the position of the cutter head;
(3) The flexible bipolar radio-frequency tool bit is skillfully provided with the handle, so that the flexible bipolar radio-frequency tool bit is convenient to take, clamping operation can be provided for the female head and the male head to be close to each other, and two purposes are achieved;
(4) The spring is ingeniously arranged in the short cylinder, and the female head and the male head can automatically reset after being unlocked; in addition, the section of the long cylinder is I-shaped, and the short cylinder is internally provided with a limiting column, so that the unlocking, resetting and limiting effects of the female head and the male head can be guaranteed;
(5) According to the invention, the driving block is arranged in the short cylinder, and the hard guide wire is driven to move by pulling the hand ring back and forth, so that the cutter head is bent at an angle, and the operation is simple and labor-saving;
(6) according to the invention, the luer port is skillfully arranged between the outer sheath tube and the convex conical cap and is used for discharging water in the operation process so as to reduce the internal pressure;
(7) According to the invention, the dumbbell groove is arranged in the luer, and the large gaskets are arranged at two ends of the dumbbell groove, so that reliable sealing between the luer and the convex conical cap is ensured;
in conclusion, the invention has the advantages of simple structure, simple and convenient operation, reliable locking, in-place sealing and the like, and has high practical value and popularization value in the field of endoscopic surgical operations.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of protection, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic diagram of an explosive structure of the present invention.
Fig. 2 is a partial cross-sectional view of the retracted state of the present invention.
fig. 3 is a partial cross-sectional view of the extended state of the present invention.
Fig. 4 is a schematic structural diagram of the angle adjustment mechanism of the present invention.
Fig. 5 is a schematic view (one) of the adjustment of the tool bit of the present invention.
Fig. 6 is a schematic diagram (two) illustrating the adjustment of the tool tip according to the present invention.
Fig. 7 is a schematic structural view of the retracted state of the present invention.
Fig. 8 is a schematic structural view of the snap-fit state of the present invention.
Fig. 9 is a partial schematic view of fig. 8.
Fig. 10 is a schematic structural view of the snap-fit state of the female and male connectors of the present invention.
fig. 11 is a schematic structural view of the open state of the female and male connectors of the present invention.
Fig. 12 is a schematic structural view of a direction-changing knuckle of the present invention.
in the drawings, the names of the parts corresponding to the reference numerals are as follows:
1-sheath tube, 2-front double-lumen tube, 3-convex conical cap, 4-short tube, 5-female head, 6-male head, 7-spring, 8-long tube, 10-small screw cap, 11-cylindrical cap, 12-plug, 13-handle, 14-angle adjusting mechanism, 15-cutter head, 16-spacing column, 17-luer, 18-large gasket, 19-dumbbell groove, 20-cross clip, 21-small gasket, 22-hard guide wire, 51-stepped slotted hole, 61-locking piece, 91-left splint, 92-right splint, 141-pulley fixing piece, 142-driving block, 143-soft guide wire, 144-hand ring, 145-rear double-lumen tube, 151-turning joint, 152-electrode head, 153-ceramic tube, 1511-cylindrical table, 1512-hemispherical boss, 1513-arc groove, 1514-hard guide wire through hole.
Detailed Description
To further clarify the objects, technical solutions and advantages of the present application, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
As shown in fig. 1 to 12, the present embodiment provides a radio frequency surgical system, which includes a bendable bipolar radio frequency cutter head; first, in the present embodiment, the terms of orientation such as "front end", "rear end", "outer edge", "inner wall", and the like are explained based on the drawings.
Specifically, the bendable bipolar radio-frequency scalpel head in the embodiment comprises a plug 12 matched with a radio-frequency operation system, and is characterized by further comprising a hollow long cylinder 8, a left clamping plate 91 and a right clamping plate 92 which are arranged in the hollow of the long cylinder 8, connected with the plug 12 by a cable and matched with each other, a small nut 10 which is arranged at the rear end of the left clamping plate 91 and arranged in the hollow of the long cylinder 8 and used for fixing the cable on the left clamping plate 91, a cylindrical cap 11 which is sleeved at the rear end of the long cylinder 8 and wrapped on the outer edge of the small nut 10, a short cylinder 4 which is sleeved at the front end of the long cylinder 8 and is hollow, a raised conical cap 3 which is sleeved at the front end of the short cylinder 4 by threads, a luer 17 which is arranged at the front end of the raised conical cap 3, and a hollow outer sheath tube 1 whose rear end is arranged to sequentially penetrate the luer 17 and the raised conical cap 3, and a front double-lumen tube 2 which is arranged in the hollow of the outer sheath tube 1, the angle adjusting device comprises a cutter head 15 arranged at the front end of the front double-cavity tube 2, an angle adjusting mechanism 14 arranged in the hollow of the short tube 4, two hard guide wires 22, a spring 7, a male head 6, a female head 5 and a handle 13, wherein the rear ends of the two hard guide wires are connected with the angle adjusting mechanism 14, and the front ends of the two hard guide wires are respectively connected with the cutter head 15, the spring 7 is arranged in the short tube 4 and is arranged between the angle adjusting mechanism 14 and the front end of the long tube 8, the male head 6 is fixed at the rear end of the outer edge of the short tube 4, the female head is fixed at the outer edge of the long tube 8 and is used for being locked and matched with the male head 6 and clamping the left clamping plate 91 and the right clamping plate 92 so as to lock the position of the angle adjusting mechanism 14. Wherein the hollow of the sheath tube 1 is communicated with the luer port 17; in this embodiment, the cross section of the front end of the long cylinder 8 is in an i shape, and the inner wall of the short cylinder 4 is provided with a limiting column 16 matched with the i shape.
In order to ensure that the angle of the cutter head 15 can be bent, the cutter head 15 is composed of a turning joint 151, a ceramic tube 153 and an electrode tip 152 which are arranged in sequence from back to front; wherein, the turning joint 151 sets up 4 ~ 8 festivals, and two hard seal wires 22 run through turning joint 151 and ceramic pipe 153 respectively in proper order and are connected with electrode tip 152. In addition, any of the direction-changing knobs 151 includes a cylindrical table 1511, a hemispherical boss 1512 disposed at the center of the front end of the cylindrical table 1511, an arc-shaped groove 1513 disposed at the rear end of the cylindrical table 1511 and slidably contacting and matching with the hemispherical boss 1512, and a hard guide wire through hole 1514 disposed through the cylindrical table 1511 and disposed at two sides of the hemispherical boss 1512 for passing the hard guide wire 22 therethrough.
The angle adjusting mechanism 14 of this embodiment includes two pulley fixing plates 141 fixed in the hollow of the short cylinder 4 and used for slidably supporting two hard guide wires 22, a driving block 142 for vertically and respectively clamping and fixing the two hard guide wires 22, a hand ring 144 which is axially penetrated through the short cylinder 4, fixedly connected with the center of the driving block 142 and stretched and swung along the plane of the two hard guide wires 22, soft guide wires 143 arranged at the rear end of the driving block 142 and connected with the two hard guide wires 22 in a one-to-one correspondence manner, and a rear double lumen tube 145 which is sleeved on the outer edge of the soft guide wires 143 and arranged in the long cylinder 8; the rear double-lumen tube 145 is placed between the left and right splints 91, 92; a plurality of rollers are disposed between the two pulley fixing pieces 141. In this embodiment, the bracelet 144 is pulled backwards, so that the driving block 142 rotates counterclockwise around the axis, the upper hard wire 22 moves forwards, and the lower hard wire 22 moves backwards, so as to bend the cutter head 15 downwards, and after repeated tests by the applicant, in the case of a 5-joint knuckle, the bending angle is 140 °. In addition, the cutter head 15 is bent upward only by pushing the hand ring 144 forward, which is not described herein.
in this embodiment, a tapered hole is formed in the convex conical cap 3, and a cross clip 21 sleeved on the outer edge of the sheath tube 1 is disposed in the tapered hole. In addition, a small washer 21 is arranged between the front end of the short cylinder 4 and the cross-shaped clamp 21; a dumbbell groove 19 is arranged in the luer opening 17, and at least one large gasket 18 is arranged at two ends of the dumbbell groove 19 and in the luer opening 17. Through the scheme, the embodiment can ensure reliable sealing while discharging water in the operation.
In the embodiment, in order to ensure the reliable locking after the angular bending of the cutting head 15, at least two stepped slot holes 51 are uniformly arranged on the annular surface of the female head 5 opposite to the male head 6, and a locking sheet 61 matched with the stepped slot holes 51 in a threaded locking manner is arranged on the male head 6. If and only if the angle of the cutter head 15 is determined, the female head 5 is close to the male head 6 and the rear double-cavity tube is arranged between the left splint and the right splint by squeezing the handle 13, rotating the female head 5 and driving the long tube 8, and squeezing the outer edge of the rear double-cavity tube by utilizing the left splint and the right splint; meanwhile, the stepped slotted hole of the female head 5 is locked with the locking piece of the male head 6, so that the bending angle of the cutter head 15 is locked.
In conclusion, the radio-frequency surgical knife head fills the technical blank of the radio-frequency surgical knife head without angle bending, has outstanding substantive characteristics and obvious progress compared with the prior art, and has high practical value and popularization value in the field of endoscopic surgery.
the above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, but all the modifications made by the principles of the present invention and the non-inventive efforts based on the above-mentioned embodiments shall fall within the scope of the present invention.
Claims (10)
1. a bendable bipolar radio-frequency cutter head comprises a plug (12) matched with a radio-frequency operation system, and is characterized by further comprising a hollow long barrel (8), a left clamping plate (91) and a right clamping plate (92) which are arranged in the hollow of the long barrel (8), connected with the plug (12) by a cable and matched with each other, a small nut (10) which is arranged at the rear end of the left clamping plate (91), arranged in the hollow of the long barrel (8) and used for fixing the cable on the left clamping plate (91), a cylindrical cap (11) which is sleeved at the rear end of the long barrel (8) and wrapped on the outer edge of the small nut (10), a hollow short barrel (4) sleeved at the front end of the long barrel (8), a raised conical cap (3) which is sleeved at the front end of the short barrel (4) by threads, and a luer opening (17) arranged at the front end of the raised conical cap (3), the rear end of the short tube (4) penetrates through a Ruhr opening (17) and a convex conical cap (3) in sequence and is a hollow outer sheath tube (1), a front double-cavity tube (2) arranged in the hollow of the outer sheath tube (1), a cutter head (15) arranged at the front end of the front double-cavity tube (2), an angle adjusting mechanism (14) arranged in the hollow of the short tube (4), two hard guide wires (22) with the rear ends connected with the angle adjusting mechanism (14) and the front ends connected with the cutter head (15) respectively, a spring (7) arranged in the short tube (4) and arranged between the angle adjusting mechanism (14) and the front end of the long tube (8), and a male head (6) fixed at the rear end of the outer edge of the short tube (4), and a female head (5) fixed on the outer edge of the long cylinder (8) and used for locking and matching with the male head (6) and clamping the left clamping plate (91) and the right clamping plate (92) so as to realize the position locking of the angle adjusting mechanism (14); the hollow of the outer sheath tube (1) is communicated with the luer port (17).
2. The flexible bipolar radio frequency cutter head according to claim 1, further comprising a handle (13) pivotally connected to an outer edge of the long cylinder (8) and an outer edge of the short cylinder (4), respectively.
3. The bendable bipolar radio frequency cutter head according to claim 1, wherein the front end of the long cylinder (8) is in an I-shaped cross section, and a limiting column (16) matched with the I-shaped cross section is arranged on the inner wall of the short cylinder (4).
4. The bendable bipolar radio frequency cutter head according to claim 1, wherein the cutter head (15) is composed of a turning joint (151), a ceramic tube (153) and an electrode head (152) which are arranged from back to front in sequence;
The turning joint (151) is provided with a plurality of joints, and two hard guide wires (22) respectively penetrate through the turning joint (151) and the ceramic tube (153) in sequence and are connected with the electrode head (152).
5. The bendable bipolar radio-frequency cutter head according to claim 4, wherein the angle adjusting mechanism (14) comprises two pulley fixing plates (141) fixed in the hollow of the short cylinder (4) and used for slidably supporting the two hard guide wires (22), a driving block (142) for clamping and fixing the two hard guide wires (22) up and down respectively, a hand ring (144) which penetrates through the short cylinder (4) by a shaft, is fixedly connected with the center of the driving block (142) and stretches and swings along the plane of the two hard guide wires (22), soft guide wires (143) which are arranged at the rear end of the driving block (142) and are connected with the two hard guide wires (22) in a one-to-one correspondence manner, and a rear double-lumen tube (145) which is sleeved on the outer edge of the soft guide wires (143) and is arranged in the long cylinder (8); the rear double lumen tube (145) is disposed between the left splint (91) and the right splint (92); a plurality of rolling shafts are arranged between the two pulley fixing pieces (141).
6. The bendable bipolar radio frequency tool bit according to claim 1, wherein a conical hole is formed in the raised conical cap (3), and a cross clip (21) sleeved on the outer edge of the outer sheath tube (1) is arranged in the conical hole.
7. The bendable bipolar radio frequency cutter head according to claim 6, wherein a small washer (21) is arranged between the front end of the short cylinder (4) and the cross clip (21); a dumbbell groove (19) is arranged in the luer opening (17), and at least one large gasket (18) is arranged at two ends of the dumbbell groove (19) and in the luer opening (17).
8. the bendable bipolar radio-frequency tool bit according to claim 4, wherein any one of the direction-changing knobs (151) comprises a cylindrical table (1511), a hemispherical boss (1512) arranged in the center of the front end of the cylindrical table (1511), an arc-shaped groove (1513) arranged at the rear end of the cylindrical table (1511) and matched with the hemispherical boss (1512) in a sliding contact manner, and a hard guide wire through hole (1514) which is arranged through the cylindrical table (1511) and arranged on two sides of the hemispherical boss (1512) and used for a hard guide wire (22) to pass through.
9. The bendable bipolar radio frequency cutter head according to claim 1, wherein at least two stepped slots (51) are uniformly formed in the female head (5) in an annular shape on the surface opposite to the male head (6), and the male head (6) is provided with a locking piece (61) which is matched with the stepped slots (51) in a threaded locking manner.
10. A radio frequency surgical system comprising a bendable bipolar radio frequency cutter according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903971.XA CN110537977B (en) | 2019-09-24 | 2019-09-24 | Bendable bipolar radio frequency tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903971.XA CN110537977B (en) | 2019-09-24 | 2019-09-24 | Bendable bipolar radio frequency tool bit |
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| CN110537977A true CN110537977A (en) | 2019-12-06 |
| CN110537977B CN110537977B (en) | 2023-07-18 |
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| CN201910903971.XA Active CN110537977B (en) | 2019-09-24 | 2019-09-24 | Bendable bipolar radio frequency tool bit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110537957A (en) * | 2019-09-24 | 2019-12-06 | 浙江量子医疗器械有限公司 | Controllable grasping forceps for orthopedics department |
| CN114569238A (en) * | 2022-02-28 | 2022-06-03 | 浙江融仕医疗科技有限公司 | Radio frequency ablation electrode with controllable bending |
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| CN110537957A (en) * | 2019-09-24 | 2019-12-06 | 浙江量子医疗器械有限公司 | Controllable grasping forceps for orthopedics department |
| CN114569238A (en) * | 2022-02-28 | 2022-06-03 | 浙江融仕医疗科技有限公司 | Radio frequency ablation electrode with controllable bending |
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| CN110537977B (en) | 2023-07-18 |
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