CN110974401B - Working handle of plasma resectoscope and assembling method thereof - Google Patents
Working handle of plasma resectoscope and assembling method thereof Download PDFInfo
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- CN110974401B CN110974401B CN201911093535.7A CN201911093535A CN110974401B CN 110974401 B CN110974401 B CN 110974401B CN 201911093535 A CN201911093535 A CN 201911093535A CN 110974401 B CN110974401 B CN 110974401B
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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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00505—Urinary tract
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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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00559—Female reproductive organs
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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
- A61B2018/00577—Ablation
- A61B2018/00583—Coblation, i.e. ablation using a cold plasma
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Abstract
The application relates to a working handle of a plasma resectoscope and an assembling method thereof, wherein the working handle is provided with an operating tube assembly, a handle main body, a protective tube assembly, a handle, a sliding block assembly, a twisting frame shaft, a twisting frame, a bracket and an electrode plug; the protective tube subassembly comprises protection tube, microscope base, and the protection tube front end sets up positioning guide way, axial positioning groove, radial positioning hole, protection tube shell fragment, and the protection tube shell fragment compresses tightly with the cooperation of handle main part inner wall, sets up axial positioning pinhole in the handle main part, and axial positioning pin interference fit packs into in handle main part axial positioning pinhole, and axial positioning pin diameter cooperates with the positioning guide way of protection tube, axial positioning groove width, and axial positioning pin head is located between protection tube outer wall and the inner wall, and the handle main part is fixed with the effective radial positioning screw of protection tube. The application also comprises an assembling method of the working handle. The structure is simple, the installation and the maintenance are convenient, the cost is low, and the effect is good.
Description
Technical Field
The application relates to a working handle of a plasma resectoscope and an assembly method thereof, and the plasma resectoscope is mainly suitable for minimally invasive operations of urinary system and uterine cavity of human body.
Background
In the use process of the plasma resectoscope working handle in the prior art, because the sliding block component is a quick-wear part, the whole body needs to be detached for maintenance when a fault occurs. But structural at present, protection tube structure one end and mirror seat welding, the other end and the welding of handle main part are non-detachable structure, must destroy the part during maintenance, have placed a large amount of epoxy glue moreover between protection tube and the control tube, must heat high temperature and just can pull down, very easily destroy the plastics handle, and the maintenance degree of difficulty is great, and is with high costs. In addition, the sliding block assembly in the prior art has the disadvantages of complex structure, high cost, inconvenient installation and maintenance, relatively weak conductive performance of the electrode seat assembly and inconvenient installation and maintenance.
Disclosure of Invention
The technical problem that this application was solved is overcome the above-mentioned not enough that exists among the prior art, and provides a structure succinct, installation easy maintenance, with low costs, the high plasma resectoscope's of reliability work handle and assembly method.
The technical scheme adopted by the application for solving the technical problems comprises the following steps: a working handle of a plasma resectoscope is provided with an operating tube assembly, a handle main body, a protective tube assembly, a handle, a sliding block assembly, a twisting frame shaft, a twisting frame, a support and an electrode plug; the handle main body is sleeved on the protection pipe assembly, the rear part of the operation pipe assembly is sleeved in the protection pipe assembly, the handle is installed on the handle main body through a locking nut, the sliding block assembly is sleeved on the protection pipe assembly, the torsion frame is installed on the sliding block assembly, one end of the torsion frame and one end of the support are installed together through a torsion frame shaft, the ring is installed at the other end of the torsion frame, the torsion spring is installed on the torsion frame shaft, and the other end of the support is fixed on the protection pipe assembly; the rear part of the protection tube component is provided with an endoscope mounting structure matched with an endoscope, an electrode plug is mounted on the protection tube component, a handle main body, an operation tube component, the protection tube component and the electrode plug are mutually and electrically conducted, the protection tube component is characterized in that the protection tube component comprises a protection tube and a lens base, the front end of the protection tube is provided with a positioning guide groove, an axial positioning groove, a radial positioning hole and a protection tube elastic sheet, the protection tube elastic sheet is matched and pressed with the inner wall of the handle main body, the handle main body is provided with an axial positioning pin hole, the axial positioning pin is arranged in the axial positioning pin hole of the handle main body in an interference fit manner, the diameter of the axial positioning pin is matched with the positioning guide groove and the axial positioning groove width of the protection tube, the head of the axial, the maintenance is convenient.
Two radial positioning holes are formed in the protection tube, the included angle between the two radial positioning holes is larger than 90 degrees, and the protection tube is preferably set to be 120 degrees.
This application set up two protection tube shell fragments on the protection tube, outwards open and keep always with the contact of handle main part inner wall under the natural state, ensure electrically conductive, contact impedance is little. The contact part of the protection tube elastic sheet and the handle main body can be plated with gold to reduce contact resistance.
This application the control tube subassembly comprises control tube, tubule, control tube protective sheath, and control tube and tubule fixed connection, suit control tube protective sheath on the control tube, and the handle main part plays the axial positioning effect is inserted to the control tube protective sheath to the outside and the handle main part contact end face welded fastening of control tube protective sheath have avoided the phenomenon of control tube (thin wall pipe) because of laser welding leads to the decline of intensity and rupture.
The protective tube and the operation tube are coated with proper conductive silicone grease to ensure good conductive contact.
The slide block component comprises a slide block, a ring seal, an electrode seat component, a slide block core positioning sheet, an elastic card button, an elastic card positioning pin, an inner sealing ring and an outer sealing ring, wherein the slide block is fixedly connected with the slide block core through the slide block core positioning sheet, the outer sealing ring is sleeved on the slide block core, the inner sealing ring is arranged between the slide block core and the slide block, the front part of the slide block is provided with the ring seal, the electrode seat component is arranged in the slide block core, the elastic card is slidably arranged in the slide block and is provided with a limiting hole, an elastic card electric cutting ring jack, an electric cutting ring guide surface, an electric cutting ring front positioning surface, an electric cutting ring rear positioning surface and a bayonet, a bayonet is formed at the intersection of the electric cutting ring guide surface and the electric cutting ring front positioning surface, the bayonet is in fit with the electric cutting ring, the electric cutting ring front positioning surface and the electric cutting ring rear positioning surface are in fit with the elastic card positioning pin and, the spring clamp is connected with a spring clamp button, the spring clamp button is installed on the sliding block, the electrode holder assembly is connected with the electric cutting ring in a matched mode, the electrode holder assembly is connected with one end of a host power supply through a high-frequency wire jack, and the electrode plug is connected with the other end of the host power supply.
The electrode holder component is formed by fixedly connecting an electrically-conducted female plug and an electrically-conducted female plug, a high-frequency line jack is arranged on the female plug, an electrode holder electric cutting ring jack, an electric cutting ring socket and a female plug mounting seat are arranged on the electrically-conducted female plug, the electric cutting ring socket is in a slotted cylinder shape, the electric cutting ring socket forms a plurality of arc-shaped electric cutting ring elastic sheets in interference fit clamping connection with an electric cutting ring by forming a plurality of (more than three) grooves, the electric cutting ring socket is convenient to spring open and is well contacted with the electric cutting ring, when the electric cutting ring is not inserted (in a natural state), the outer diameter of the front end of the electric cutting ring socket is smaller than the outer diameter of the rear end, when the electric cutting ring is inserted into the electric cutting ring socket, the electric cutting ring socket is not contacted with the female plug, so that the situation that the front part of the electric cutting ring socket is stressed to open to influence the cooperation of the electric cutting ring socket and/or the electric cutting ring and the electric, the insertion and the guiding of the electric cutting ring are convenient. The female plug mounting seat is tightly matched with the female plug to play a role in radial positioning.
This application bullet card button comprises bullet card nut, button cap, plays the card nut and is connected with bullet card, and bullet card nut that bullet card nut is located the slider holds the intracavity and can remove (not influence the slider and remove), plays the card nut and has the boss recess, and button cap inner chamber elasticity boss card is gone into the boss recess, and elasticity boss makes bullet card compress tightly the electricity tangent ring (play the initial condition of card promptly and be in the locking state).
The technical scheme that this application solved above-mentioned technical problem and adopted still includes: the assembling method of the working handle of the plasma resectoscope is characterized by comprising the following steps of:
s1, inserting the protective tube into the lens base and fixing the protective tube by laser welding;
s2, sequentially arranging a pressure spring and a mirror spring clip in the mirror base, and arranging a mirror base button on the mirror spring clip;
s3, pressing down a button of the mirror base, sleeving an electrode sheath by an electrode plug, and then connecting the electrode plug on the mirror base in a threaded manner (the lower part of the electrode plug is positioned in a mirror elastic card groove, so that the mirror elastic card can move left and right);
s4, connecting the lens base and the bracket by screws; a torsion spring is sleeved on the torsion frame shaft, and the torsion frame is connected with the bracket through a torsion frame shaft; the slide block is sleeved on the protection tube, and the twisting frame is arranged on the slide block through a twisting frame screw;
s5, inserting the handle main body into the guide pin and the axial positioning pin; the main body is clamped into the handle main body in a sealing interference fit manner; the handle is sleeved into the handle main body and locked by the locking nut;
s6, S4 and S5, inserting the protection tube into the handle main body in place (the axial positioning pin is clamped into the axial positioning groove to the bottom), fixing the protection tube on the handle main body through a radial positioning screw, and performing laser welding on the operation tube and the thin tube;
s7, coating conductive silicone grease on the front end of the operation tube, penetrating the operation tube into the protection tube through the handle main body, welding and fixing the operation tube and the handle main body,
and (5) finishing the installation.
The steps S4 and S5 may be performed simultaneously or one after the other (either step may be performed first).
Compared with the prior art, the application has the following advantages and effects: the structure is succinct, and installation easy maintenance is with low costs, and is effectual.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a cross-sectional view D-D of fig. 1.
FIG. 3 is a schematic structural view of an example of a handle tube assembly of the present application.
Fig. 4 is a schematic structural diagram of a protection tube assembly according to an embodiment of the present application.
FIG. 5 is a schematic structural diagram of a slider assembly according to an embodiment of the present application.
Fig. 6 is a schematic left side view of fig. 5.
Fig. 7 is a schematic sectional view a-a of fig. 6.
Fig. 8 is a schematic sectional view B-B of fig. 5.
Fig. 9 is a schematic cross-sectional view of C-C of fig. 5.
Fig. 10 is a schematic structural diagram of a pop-up card according to an embodiment of the present application.
Fig. 11 is a perspective view of the pop-up card according to the embodiment of the present application.
Figure 12 is a schematic structural view of an electrode holder assembly according to an embodiment of the present application.
Figure 13 is a perspective view of an electrode holder assembly according to an embodiment of the present application.
Fig. 14 is a schematic structural diagram of an electrode female plug according to an embodiment of the present application.
In the figure: 100-handle tube assembly, 101-handle tube, 102-slim tube, 103-handle tube protective sleeve, 200-handle body, 300-guide pin, 400-axial positioning pin (axial positioning pin hole), 500-radial positioning screw (radial positioning hole), 600-body seal, 700-lock nut, 800-handle, 900-protective tube assembly, 901-protective tube, 902-lens base, 9001-positioning guide groove, 9002-axial positioning groove, 9003-radial positioning hole, 9004-shrapnel, 1000-slider assembly, 1100-torsional frame shaft, 1200-torsional spring, 1300-torsional frame, 1400-bracket, 1500-torsional frame screw, 1600-lens seal, 1700-finger ring screw, 1800-gasket, 1900-finger ring, 9021-lens base lock lens hole, 9022-a mirror pore channel, 2000-an electrode plug, 2100-an electrode sheath, 2200-a mirror spring clip, 2300-a mirror base button and 2400-a pressure spring.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present application and are not limited to the following examples. In this embodiment, the front-back and left-right directions are relative to fig. 1, and fig. 1 shows the front on the left and the back on the right, unless otherwise stated.
Referring to fig. 1 to 14, the working handle of the plasma resectoscope in this embodiment comprises an operation tube assembly 100, a handle body 200, a protection tube assembly 900, a handle 800, a slider assembly 1000, a torsion frame shaft 1100, a torsion frame 1300, a support 1400, and a scope elastic clip 2200, wherein the operation tube 101 is fixedly connected with a tubule 102; the handle body 200 is sleeved on the protection tube assembly; the two guide pins 300 are arranged in the handle main body 200 and are symmetrically distributed, the handle 800 is fixed on the handle main body 200, the slider assembly 1000 is sleeved on the protective tube 901, the middle part of the twisting frame 1300 is arranged on the slider assembly 1000 through a twisting frame screw 1500, one end of the twisting frame 1300 is arranged on one end of the support 1400 through a twisting frame shaft 1100, the other end of the twisting frame 1300 is provided with a ring 1900, the twisting frame shaft 1100 is provided with a torsion spring 1200, and the other end of the support 1400 is fixed on a lens base 902 of the protective tube assembly through a screw; the pressure spring 2400 and the mirror spring clip 2200 are sequentially arranged in a mirror base 902 hole at the rear part of the protective tube assembly 900, the mirror base button 2300 is installed on the mirror spring clip 2200, the electrode sheath 2100 is sleeved on the electrode plug 2000, the electrode plug 2000 is screwed into an electrode plug threaded hole 9026 above the mirror base 902 and is clamped in a positioning groove of the mirror spring clip 2200, the handle body 200, the operating tube 101, the protective tube assembly 900 and the electrode plug 2000 are all made of conductive metal materials and are mutually communicated, and the mirror spring clip 2200 is matched with a lock clip of an endoscope.
The front end of the protection tube 901 is provided with a positioning guide groove 9001, an axial positioning groove 9002, two radial positioning holes 9003 and two symmetrical protection tube elastic pieces 9004; and an axial positioning pin hole is newly added on the handle main body 200; during assembly, the axial positioning pin 400 is arranged in the axial positioning pin hole of the handle body 200 in an interference fit manner, and after assembly, the axial positioning pin 400 can be inserted into the positioning guide groove 9001 of the protection tube 901 but not exceed the wall thickness of the protection tube 901, namely, the head part (the part inserted into the outer wall of the protection tube 901) of the axial positioning pin 400 is positioned between the outer wall and the inner wall of the protection tube 901 and does not penetrate out of the inner wall of the; after the protection tube 901 and the lens base 902 are welded together by laser, the positioning guide groove 9001 (the width of which is slightly larger than the outer diameter of the axial positioning pin 400) of the protection tube 901 is aligned with the axial positioning pin 400 and then inserted to the bottom, then the protection tube 901 is rotated to enable the axial positioning pin 400 to move relatively to the axial positioning groove 9002 to the bottom, at this time, the two radial positioning holes 9003 are just aligned with the positioning screw holes on the handle main body 200, the two radial positioning screws 500 are installed into the handle main body 200 and fixed, and the protection tube 901 is positioned (not rotated) in the radial direction. The mirror base 902 is provided with a mirror base lock mirror hole 9021, a mirror hole channel 9022, a support mounting hole 9023 for mounting the support 1400, a pressure spring mounting cavity 9024 for mounting the pressure spring 2400, a mirror spring clip mounting hole 9025 for mounting the mirror spring clip 2200, and an electrode plug screw hole 9026 for mounting the electrode plug 2000.
The axial positioning pin 400 is matched with the axial positioning groove 9002 of the protection tube 901 to play a role in axial (front and back) positioning.
The angle between two radial positioning holes 9003 of the protection tube is larger than 90 degrees, and the angle is preferably 120 degrees in the embodiment.
Two protection tube elastic sheets 9004 are arranged on the protection tube 901 and are opened outwards in a natural state. After the handle main body 200 is installed, the protection tube elastic sheet 9004 can always keep contact with the inner wall of the handle main body 200, so that the electric conduction is ensured, and the contact impedance is small. The contact between the two protective tube elastic pieces 9004 of the protective tube 901 and the handle main body 200 may be plated with gold to reduce contact resistance.
A suitable conductive silicone grease is applied between the protection tube 901 and the handling tube 101 to ensure good conductive contact.
This application has designed a structure convenient to maintenance and reliable operation, and the assembly is simple, reasonable, convenient with the dismantlement process, because do not use epoxy to glue, need not use the high temperature to glue and dismantle, destroys the part for cost of maintenance reduces.
Dismounting process of the protection tube 901:
contrary to the assembling process, the two radial positioning screws 500 are unscrewed, and then the protective tube 901 is rotated reversely to the bottom and pulled out.
The slider assembly 1000 of the present application is composed of a slider 1001, a ring seal 1002, an electrode holder assembly 1003, a slider core 1004, a slider core positioning sheet 1006, a spring clip 1007, a spring clip nut 1008, a button cap 1009, a spring clip positioning pin 1010, an inner sealing ring 1011, and an outer sealing ring 1012, wherein the slider 1001 is fixedly connected with the slider core 1004 through the slider core positioning sheet 1006, the outer sealing ring 1012 is sleeved on the slider core 1004, the inner sealing ring 1011 is arranged between the slider core 1004 and the slider 1001, the ring seal 1002 is arranged at the front of the slider, the electrode holder assembly 1003 is installed in the slider core 1004, the spring clip 1007 is installed in the slider 1001, the spring clip 1007 is provided with a limit hole 10071, a spring clip electrotomy ring insertion hole 10072, an electrotomy ring guide surface 10073, an electrotomy ring front positioning surface 10074, an electrotomy ring rear positioning surface 10075, and a bayonet 10076, the intersection of the electrotomy ring guide surface 10073 and the electrotomy ring front positioning surface 10074 forms a bayonet 10076, and, locating surface 10074 before the electricity surely encircles and locating surface 10075 behind the electricity surely encircles is used for the electricity to fix a position the ring around, and bullet card locating pin 1010 cooperates with spacing hole 10071, and is spacing and radial pivoted spacing when carrying out axial slip to bullet card 1007 to this is spacing to the electricity surely encircles. The integral electrode holder assembly 1003 comprises a female plug 10031 and an electrode female plug 10032, the joint of the two is laser welded, the female plug 10031 is provided with a high-frequency line jack 10033, the electrode female plug 10032 is provided with an electrode holder electrical cutting ring jack 10034, an electrical cutting ring socket 10035 and a female plug mounting seat 10036, the electrical cutting ring socket 10035 is in a slotted cylinder shape, the electrical cutting ring socket 10035 is formed with four identical arc-shaped electrical cutting ring elastic sheets through four slots to be in interference fit with and clamp the rear portion of an electrical cutting ring (see fig. 14, the left side is front, the right side is rear), so as to ensure that the electrical cutting ring socket 10035 is convenient to spring open and is in good contact with the electrical cutting ring, the outer diameter of the front end of the electrical cutting ring socket 10035 is smaller than the outer diameter of the rear end in an initial state (the rear portion of the electrical cutting ring is not inserted state) so as to avoid that the front portion of the electrical cutting ring socket is stressed to be opened when the electrical cutting ring is inserted or pulled, the insertion and the guiding of the electric cutting ring are convenient. The female plug mounting seat 10036 and the female plug 10031 are tightly matched to play a role in radial positioning, and the female plug 10031 is connected with the positive pole of the host power supply through the high-frequency line jack 10033.
This application slider assembly 1000 improved design includes structural retrenching, and design a more reasonable bullet card 1007 of structure replaces electrode position sleeve and bullet card subassembly, designs a more reasonable button cap 1009 of structure, and button cap 1009 adopts the silica gel material to make, utilizes the high elasticity of silica gel to replace the function of spring among the patent 201720812152.0, changes spring + bullet card nut + button cap structure into bullet card nut + button cap structure. Referring to fig. 8, the snap nut 1008 is placed in the snap nut receiving cavity 1013 of the slider 1001 and can slide or move left and right, the snap nut 1008 has a boss groove 10081, an elastic boss 10091 in an inner cavity of the button cap 1009 is snapped into the boss groove 10081, the left end face of the button cap 1009 is in interference contact with the slider 1001 in an initial state, and by using the high elastic energy of silica gel, a pretightening force is provided, and the direction of the pretightening force is always right, so that the snap 1007 can be always in a locked state until the button cap 1009 is pressed to make the snap 1007 move left, and the front positioning face 10074 and the rear positioning face 10075 of the electrical cutting ring release the limitation on the forward and backward movement of the. The integral electrode holder assembly 1003 is designed.
The advantages include:
1. the protective tube component is designed in a detachable structure, so that the sliding block component is convenient to replace, and the maintenance cost is reduced;
2. the integral electrode holder assembly 1003 has better electric conduction performance, convenient installation and maintenance and improved reliability;
3. the elastic clamp 1007 replaces an electrode positioning sleeve and an elastic clamp component, so that the structure of parts is simplified, the cost is low, and the installation and maintenance are convenient;
4. the single button cap 1009 replaces a combination of a spring and a button cap, simplifies a part structure, and is low in cost and convenient to install and maintain.
All simple variations and combinations of the technical features and technical solutions of the present application are considered to fall within the scope of the present application.
Claims (9)
1. A working handle of a plasma resectoscope is provided with an operating tube assembly, a handle main body, a protective tube assembly, a handle, a sliding block assembly, a twisting frame shaft, a twisting frame, a support and an electrode plug; the handle main body is sleeved on the protection pipe assembly, the rear part of the operation pipe assembly is sleeved in the protection pipe assembly, the handle is installed on the handle main body through a locking nut, the sliding block assembly is sleeved on the protection pipe assembly, the torsion frame is installed on the sliding block assembly, one end of the torsion frame and one end of the support are installed together through a torsion frame shaft, the ring is installed at the other end of the torsion frame, the torsion spring is installed on the torsion frame shaft, and the other end of the support is fixed on the protection pipe assembly; the protection tube subassembly rear portion be provided with endoscope complex endoscope mounting structure, electrode plug installs on the protection tube subassembly, handle main part, operation pipe subassembly, protection tube subassembly, electrode plug switch on characterized by each other: the protection tube subassembly comprises protection tube, microscope base, and the protection tube front end sets up positioning guide way, axial positioning groove, radial positioning hole, protection tube shell fragment, and the protection tube shell fragment compresses tightly with the cooperation of handle main part inner wall, sets up the axial positioning pinhole in the handle main part, and axial positioning pin interference fit packs into in handle main part axial positioning pinhole, and the axial positioning diameter of the locating pin cooperates with the positioning guide way of protection tube, axial positioning groove width, and the axial positioning pin head is located between protection tube outer wall and the inner wall, and it is fixed through radial positioning screw that radial positioning hole is passed through to handle main part and protection tube, the operation tube subassembly comprises operation tube, tubule, operation tube protective sheath, operation tube and tubule fixed connection, suit operation tube protective sheath on the operation tube, and the operation tube protective sheath inserts handle main.
2. The working handle of the plasma resectoscope of claim 1, wherein: two radial positioning holes are formed in the protection tube, and the included angle between the two radial positioning holes is larger than 90 degrees.
3. The working handle of the plasma resectoscope of claim 1, wherein: two protection tube elastic sheets are arranged on the protection tube.
4. A working handle for a plasma resectoscope according to any one of claims 1 to 3, wherein: the slide block component comprises a slide block, a ring seal, an electrode seat component, a slide block core positioning piece, an elastic card button, an elastic card positioning pin, an inner sealing ring and an outer sealing ring, wherein the slide block is fixedly connected with the slide block core through the slide block core positioning piece, the slide block core is sleeved with the outer sealing ring, the inner sealing ring is arranged between the slide block core and the slide block, the front part of the slide block is provided with the ring seal, the electrode seat component is arranged in the slide block core, the elastic card is slidably arranged in the slide block, the elastic card is provided with a limiting hole, an elastic card electric cutting ring jack, an electric cutting ring guide surface, an electric cutting ring front positioning surface, an electric cutting ring rear positioning surface and a bayonet, a bayonet is formed at the intersection of the electric cutting ring guide surface and the electric cutting ring front positioning surface, the bayonet is in fit with the electric cutting ring, the elastic card positioning pin is matched with the limiting hole, the elastic card is connected with the elastic card button, the, the electrode holder assembly is connected with the electric cutting ring in a matching mode, the electrode holder assembly is connected with one end of a host power supply through a high-frequency wire jack, and the electrode plug is connected with the other end of the host power supply.
5. The operating handle for a plasma resectoscope of claim 4, wherein: the electrode holder subassembly is inserted fixed connection by female plug, electrode mother and is constituted, is provided with the high frequency line jack on the female plug, and the electrode mother is inserted and is provided with electrode holder electricity and cuts ring jack, electricity and cuts ring socket, female plug mount pad, and it is cylindric that electricity cuts ring socket is the fluting, and electricity cuts ring socket and forms a plurality of convex electricity through opening a plurality of grooves and cuts ring shell fragment interference fit joint electricity and cuts the ring.
6. The working handle of the plasma resectoscope of claim 5, wherein: the electrical cut ring socket is not in contact with the female plug.
7. The working handle of the plasma resectoscope of claim 5, wherein: the front end of the electric cutting ring socket is provided with an electric cutting ring insertion chamfer.
8. The operating handle for a plasma resectoscope of claim 4, wherein: the bullet card button comprises bullet card nut, button cap, plays the card nut and is connected with the bullet card, plays card nut slidable mounting and holds the intracavity at the bullet card nut of slider, plays the card nut and has the boss recess, and button cap inner chamber elasticity boss card is gone into the boss recess, and elasticity boss makes the bullet card compress tightly the electricity and surely encircle.
9. A method of assembling a working handle for a plasma resectoscope according to any one of claims 1 to 8, comprising the steps of:
s1, inserting the protective tube into the lens base and fixing the protective tube by laser welding;
s2, sequentially arranging a pressure spring and a mirror spring clip in the mirror base, and arranging a mirror base button on the mirror spring clip;
s3, pressing down a button of the mirror base, sleeving an electrode sheath by an electrode plug, connecting the electrode plug to the mirror base in a threaded manner, and positioning the lower part of the electrode plug in a mirror spring clamping groove;
s4, connecting the lens base and the bracket by screws; a torsion spring is sleeved on the torsion frame shaft, and the torsion frame is connected with the bracket through a torsion frame shaft; the sliding block is sleeved on the protective tube, and the twisting frame is arranged on the sliding block through a twisting frame screw;
s5, inserting the handle main body into the guide pin and the axial positioning pin; the main body is clamped into the handle main body in a sealing interference fit manner; the handle is sleeved into the handle main body and locked by the locking nut;
s6, inserting the protection tube into the handle main body in place, fixing the protection tube on the handle main body through a radial positioning screw, and performing laser welding on the operation tube and the thin tube;
s7, after conductive silicone grease is smeared at the front end of the operating tube, the operating tube penetrates through the protective tube through the handle main body, and the operating tube is welded with the handle main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093535.7A CN110974401B (en) | 2019-11-11 | 2019-11-11 | Working handle of plasma resectoscope and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911093535.7A CN110974401B (en) | 2019-11-11 | 2019-11-11 | Working handle of plasma resectoscope and assembling method thereof |
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| Publication Number | Publication Date |
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| CN110974401A CN110974401A (en) | 2020-04-10 |
| CN110974401B true CN110974401B (en) | 2021-03-05 |
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| CN201911093535.7A Active CN110974401B (en) | 2019-11-11 | 2019-11-11 | Working handle of plasma resectoscope and assembling method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107349011A (en) * | 2017-07-06 | 2017-11-17 | 浙江天松医疗器械股份有限公司 | Plasma double-pole resectoscope and its application method |
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| CN110974401A (en) | 2020-04-10 |
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