CN106725830B - The fitting method of Bipolar electrocautery mirror assembly and its electrode and sliding block - Google Patents
The fitting method of Bipolar electrocautery mirror assembly and its electrode and sliding block Download PDFInfo
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- CN106725830B CN106725830B CN201611160402.3A CN201611160402A CN106725830B CN 106725830 B CN106725830 B CN 106725830B CN 201611160402 A CN201611160402 A CN 201611160402A CN 106725830 B CN106725830 B CN 106725830B
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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
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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
- A61B2018/00547—Prostate
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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
- A61B2018/00607—Coagulation and cutting with the same instrument
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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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- 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
- A61B2018/1405—Electrodes having a specific shape
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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
- A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
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Abstract
The present invention relates to a kind of Bipolar electrocautery mirror assembly and its fitting methods of electrode and sliding block, it is primarily adapted for use in urological surgery.The present invention is provided with locking device in the rear end of epitheca main body, it includes lock ring, epitheca main body connector, steel ball and compressed spring etc., and the steel bead groove with steel ball cooperation is provided in interior sheath main body；Slide block assembly and lock ring component are provided on the cutting handle, slide block assembly includes sliding block, guide-localization block, bullet card mandril and bullet card etc., and lock ring component includes lock ring, lock ring connector, waveform spring and retainer；The electrode is Bipolar electrocautery ring, the fitting method of its electrode and sliding block is inserted into two sliding block apertures of slide block assembly after two handle apertures that tailpin pipe end is passed through to handle body respectively, until in the bayonet slot that the tip on bullet card is caught in chapped pipe, positioning is lockked.More rationally, simply, cost is lower, and method is safer, effective, using light, reliable for structure design of the invention.
Description
Technical field
The present invention relates to a kind of plasma double-pole resectoscope, especially a kind of Bipolar electrocautery mirror assembly and its electrode and sliding block
Fitting method, it belongs to field of medical technology, is primarily adapted for use in the urological surgery of human body.
Background technique
Resectoscope divides monopole resectoscope and double-pole resectoscope, mainly treats hyperplasia of prostate by operation on urethra,
Resection includes the segmentation and the i.e. blood coagulation/dehydration of hemostasis to tissue, to cut off hyperplasia and to control and reduce bleeding.
Monopole resectoscope needs when working by negative plate and human contact, needs to use glucose as rushing in surgical procedure
Medium is washed, diabetes patient is easy to happen TURP syndrome i.e. water intoxication, and required power is big, and thermal diffusion range is big, to human body week
It is larger to enclose histologic lesion.Although having double-pole resectoscope at present, the design of black box structure is not reasonable, clinical use effect
Fruit is bad.
Chinese Patent Application No. 200920054446.7 discloses a kind of " plasma double-pole resectoscope ", and overall structure is set
To count not reasonable, interior sheath, epitheca, work handle realize installation and removal using pressure type inclined-plane locking mode, when installation, interior sheath
Inclined-plane guiding insertion epitheca is needed, it is relatively elaborate；When disassembly, need to by lower button, and button and hand contact area is small and button in
Spring force is larger, and disassembly is laborious；Moreover, it uses common lock ring, sealing performance is unstable, the easy deflection in lock ring start-stop position,
It will lead to locking failure if accidentally touching when operation；In addition, its return electrode is on the pillar of cutting ring, when work, is located at
It is intrathecal, after repeatedly, it is possible to electric current can be made to cross human body with the contact of mirror sheath, obturator nerve may be stimulated, meanwhile, it is postoperative easy
Ankylurethria occurs；Finally, handle body and Bipolar electrocautery ring seal, be the sealing shroud by being placed on Bipolar electrocautery ring come
It realizes, structure has the disadvantage in that 1, fit clearance is non-adjustable, requires part size high, complex process；2, handle master
Body must open a slot and put the sealing shroud, and the outer bevel sealing surface at handle body and interior sheath cooperation is caused to have a notch, this is lacked
The sealing shroud outer surface and interior intrathecal bevel sealing surface cooperation put in mouthful require height, are easy to happen the situation of poor sealing.
Chinese Patent Application No. 201410032725.9 discloses a kind of " Electrosurgical generator and system ", to be solved
Technical problem is that high-frequency electrical cut through generation amount of heat come the shortcomings that cutting tissue, but the structure of this application is exactly one common
Plasma electric cutting system, the system work in physiological saline, generate plasma, interrupt human tissue cell by plasma
Molecular link realizes the purpose of separation tissue；Although it passes through a series of experiments sum number it is demonstrated that it is to tissue
Damage is smaller, but since cutting electrode and return electrode be not on same pillar, the double-pole resectoscope in its non-real meaning, hand
The electric current of its electrode may pass through human body when art, can stimulate obturator nerve, meanwhile, the incidence of postoperative urethral stricture is higher.
Chinese Patent Application No. 200920054194.8 discloses a kind of " plasma dipolar resectoscope electrode ", and one pole is
Ring, in addition a pole is outer tube, and cutting is completed with ring with coagulation；It is that contact area is small with the shortcomings that ring coagulation, it is often necessary to
It is repeated multiple times slower to progress blood coagulation operation, anthemorrhagic speed at bleeding；Moreover, the structure of Bipolar electrocautery ring and high-frequency line monoblock type
Design, is integrally to scrap when scrapping, higher operating costs；In addition, the connection of Bipolar electrocautery ring and high-frequency line needs injection molding,
Manufacturing cost is high；Single guide sleeve structure, using being not sufficiently stable.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the above-mentioned deficiency in the presence of the prior art, and provide a kind of knot
Structure design is more reasonable, uses safer Bipolar electrocautery mirror assembly；Meanwhile also provide in a kind of Bipolar electrocautery mirror assembly electrode with
The fitting method of sliding block, it can make the cooperation of electrode and cutting handle more reliable, and make to install and dismantle lighter.
Technical solution used by the present invention solves the above problems is: the Bipolar electrocautery mirror assembly includes epitheca, interior sheath, electricity
Cut handle and electrode, epitheca includes outer sheath, epitheca main body, inlet valve and outlet valve, and interior sheath includes interior sheath and interior sheath main body,
Cutting handle includes protection pipe, handle body, handle and bracket, and epitheca is connect with interior sheath when use, and interior sheath and cutting handle connect
It connects, cutting handle and electrode cooperate, it is characterised in that:
The rear end of the epitheca main body is provided with epitheca locking device, it includes lock ring one, epitheca main body connector, steel
Pearl, two compressed spring of lock ring two, one compressed spring of lock ring and lock ring, one compressed spring of lock ring are covered on lock ring two and are put
Enter in epitheca main body connector, steel ball is packed into epitheca main body connector and entangles the steel ball, two compressed spring set of lock ring with lock ring one
On epitheca main body connector；The steel bead groove with steel ball cooperation is provided in the interior sheath main body.So that epitheca and interior sheath
Connection is designed as the mode of steel ball locking；When installation, interior sheath is gently inserted into epitheca, active force is small, and locking effect is good；Disassembly
When, only interior sheath need to can be extracted, feel is lighter by lock ring one to being pushed forward.
Two handle apertures are provided in the handle body, to facilitate the insertion of electrode.
Slide block assembly and lock ring component are provided on the cutting handle, the slide block assembly includes sliding block, positioning
Block spring housing, sliding block steel ball, guide-localization block, plays deck, push rod spring, plays deck fixing screws, plays Ka Ding locating piece spring
Bar, bullet card and bullet card spring are opened on the sliding block there are two the sliding block aperture to match with the handle aperture in handle body,
The guide-localization block is fixed with sliding block, and bullet card spring, push rod spring are respectively charged into bullet card, play in deck, then by bullet card, bullet
Card mandril, which is packed into, to be played in deck, is played deck and is fixed with sliding block with two bullet deck fixing screws, locating piece spring is put into locating piece
Spring housing, sliding block steel ball be placed on one of locating piece spring and with sliding block, guide-localization is packaged matches；The lock ring component includes
Lock ring, lock ring connector, waveform spring and retainer, retainer are mounted in lock ring, and waveform spring, lock ring connector and lock are cased on retainer
Ring connection.Due to being provided with slide block assembly, make the cooperation of Bipolar electrocautery ring and resectoscope and more convenient to use reliable；And due to
The design of cutting handle end has lock ring component, when it is with the assembly of endoscope seat, in 90 ° of folders when preceding and locking is locked in movement start-stop
Angle, will not deflection, built-in waveform spring, when lock ring rotation when, retainer pop-up lock simultaneously eliminates locking gap, reinforce locking effect
Fruit increases the air-tightness of product.
The electrode is the Bipolar electrocautery ring of separate structure, and rearmost end is inserted into sliding block by handle body.Cutting electricity
Pole and return electrode are the plasma double-pole resectoscopes of real meaning on same pillar, and electric current is not stimulated and closed without human body
Hole nerve, and postoperative urethral stricture incidence is low；Meanwhile Bipolar electrocautery ring and high-frequency line split-type design, this is based on bipolar
The cutting ring service life is shorter, and designs the characteristics of high-frequency line long service life, clinical use more save the cost.
Bipolar electrocautery ring of the present invention includes cutting ring assemblies one, cutting ring assemblies two and two-way guide pin, two-way
Guide pin fixes cutting ring assemblies one and cutting ring assemblies two respectively, and forms the channel that protection pipe passes through, cutting ring assemblies one
Be fixedly arranged at the front end with the coagulation piece that shape is arc plate, cutting ring assemblies two are fixedly arranged at the front end with semicircular cut ring, so as to
Carry out cutting and coagulation；Moreover, the advantages of arc plate coagulation is the area increased with human contact, haemostatic effect is rapider
Effectively.
Cutting ring assemblies one of the present invention are coated with the long steel wire and short steel wire of plastic tube, and coagulation piece is welded on
The front end of long steel wire and short steel wire, the cutting ring assemblies two are coated with the long tungsten wire and short tungsten wire of plastic tube, cutting
Ring forming is in the front end of long tungsten wire and short tungsten wire.
The long steel wire of the present invention and long tungsten wire are coated with long plastic tube, short steel wire and short tungsten wire outer cladding
There is short plastic tube.
The present invention is additionally provided with chapped pipe and tailpin pipe, and the plastic tube is inserted into chapped pipe respectively, therein
Long plastic tube passes through chapped pipe, and tailpin pipe is separately fixed at the rearmost end of long steel wire and long tungsten wire.
Chapped pipe of the present invention is equipped with bayonet slot, to facilitate the cooperation of Bipolar electrocautery ring and sliding block.
Threaded hole there are two opening in handle body of the present invention, is placed with sealing respectively in the threaded hole
Set covers the cooperation elasticity of regulation handle main body and Bipolar electrocautery ring by rotatory sealing.Sealing performance can be reached and sliding hinders
The smallest optimum efficiency of power；Meanwhile handle body sealing surface does not have a notch, sealing effect is more after cutting handle and the cooperation of interior sheath
It is good, it is oriented to also more reliable, stable.
The rearmost end of Bipolar electrocautery ring of the present invention is inserted into sliding block aperture by handle aperture.It is easy to use, accurate.
The fitting method of electrode and sliding block in Bipolar electrocautery mirror assembly of the invention, it is characterised in that: the Bipolar electrocautery
The fitting method of ring and sliding block is as follows:
When installation, Bipolar electrocautery ring is held, the protection pipe on cutting handle is made to be directed at the two-way guide pin of Bipolar electrocautery ring
Channel and be inserted through, with this at this point, the tailpin pipe end of Bipolar electrocautery ring passes through two handle apertures of handle body respectively
It is inserted into two sliding block apertures of slide block assembly afterwards, until positioning in the bayonet slot that the tip on bullet card is caught in chapped pipe
It locks；It installs simple, reliable, light.
When disassembly, the bullet card mandril in slide block assembly is pressed, bullet card can move down and be detached from the bayonet slot of chapped pipe,
At this point, being pulled outward with hand from the chapped pipe front end of Bipolar electrocautery ring, tailpin pipe can be made to separate with sliding block, take out Bipolar electrocautery
Ring.Disassembly is same simple, reliable, light.
Compared with prior art, the present invention having the following advantages that and effect: 1, the structure of plasma double-pole resectoscope component
It is more reasonable to design, and more simply, manufacturing cost is lower, it uses Bipolar electrocautery ring structure, eliminates the negative plate with human contact,
The risk for causing patient's contact portion to cross thermal burn because of negative plate poor contact in use is reduced, two electrodes are distinguished
It connects on Bipolar electrocautery ring, constitutes circuit, make thermal diffusion and the corresponding reduction of neighbouring damage, physiology salt can be used in surgical procedure
Water avoids TURP syndrome i.e. water intoxication as medium, and applicability also has a wide range of application than monopole, can be used for patient of diabetes
Person.2, the locking device in plasma double-pole resectoscope component, slide block assembly and lock ring component novel in structural design, rationally,
It uses and cooperates and is laborsaving；Moreover, the connection of interior sheath and cutting handle is fore shaft formula structure, which is that same shank of the key of crossing rotates
Achieve the purpose that locking, disassembly, advantage is relatively labor-saving, quick and graceful in the movements.3, the fitting method of Bipolar electrocautery ring and sliding block it is simple,
Easily, reliably.4, the present invention extends operative indication, reduces operation risk, convenient for more thoroughly cutting off pathological tissue, contracting
Short patient's post-operative recovery time, while being more advantageous to tissue pathology checking is that a kind of highly-safe, few intercurrent disease, curative effect are true
From the point of view of the operation method cut, Cong Shuzhong and postoperative complications, Bipolar electrocautery art has better advantage；In the treatment, it is than normal
It is safer, more effective to advise electrocision, and operative treatment can be carried out to high-risk patient.
Detailed description of the invention
Fig. 1 is overall structure simplified schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of epitheca in the present invention.
Fig. 3 is the structural schematic diagram of interior sheath in the present invention.
Fig. 4 is the structural schematic diagram of cutting handle in the present invention.
Fig. 5 is the structural schematic diagram of short tube and microscope base in cutting handle of the invention.
Fig. 6 is the structural representation front view of slide block assembly in the present invention.
Fig. 7 is the A-A structural representation cross-sectional view in Fig. 6.
Fig. 8 is the B-B structural representation cross-sectional view in Fig. 6.
Fig. 9 is the C-C structural representation cross-sectional view in Fig. 6.
Figure 10 is the structural schematic diagram of lock ring component in the present invention.
Figure 11 is the side structure schematic view of Figure 10.
Figure 12 is the structure sectional view of handle body in the present invention.
Figure 13 is the D-D structural representation cross-sectional view of Figure 12.
Figure 14 is the E-E structural representation cross-sectional view in Figure 12.
Figure 15 is the structural schematic diagram of Bipolar electrocautery ring and the cooperation of cutting handle in the present invention.
Figure 16 is the structural representation cutaway view Amplified image in Figure 15 at A.
Figure 17 is the structural representation front view of Bipolar electrocautery ring in the present invention.
Figure 18 is the structural representation top view of Figure 17.
Figure 19 is the structural representation cutaway view Amplified image in Figure 17 at B.
Figure 20 is the structural representation front view of cutting ring assemblies one in Bipolar electrocautery ring of the invention.
Figure 21 is the structural representation top view of Figure 20.
Figure 22 is the structural representation cutaway view Amplified image in Figure 20 at E.
Figure 23 is the structural representation cutaway view Amplified image in Figure 20 at F.
Figure 24 is the structural representation front view of cutting ring assemblies two in Bipolar electrocautery ring of the invention.
Figure 25 is the structural representation top view of Figure 24.
Figure 26 is the structural representation cutaway view Amplified image in Figure 24 at C.
Figure 27 is the structural representation cutaway view Amplified image in Figure 24 at D.
Figure 28 be Figure 25 in structural representation enlarged drawing from G to cut ring.
Specific embodiment
Referring to Fig. 1 and Figure 15, invention components are mainly by epitheca I, interior sheath II, cutting handle III and IV group of Bipolar electrocautery ring
At epitheca I is connect with interior sheath II, and interior sheath II is connect with cutting handle III, and cutting handle III and Bipolar electrocautery ring IV cooperate.
Referring to figures 1-4, specifically, the epitheca I and interior sheath II of the embodiment of the present invention pass through the steel in epitheca locking device
The steel bead groove 15 of pearl 7 and interior sheath main body 16 is clamped, and interior sheath II is connect with cutting handle III by lock hook 21.
Referring to fig. 2, in the present embodiment, the outer sheath 1 of epitheca I is inserted into epitheca main body 3, and epitheca main body 3 is equipped with water inlet
Valve 4 and outlet valve 11；It is equipped with epitheca locking device behind equipped with retaining ring 2 before epitheca main body 3, epitheca locking device includes lock
Ring 1, epitheca main body connector 6, steel ball 7, lock ring 28, one compressed spring 9 of lock ring, two compressed spring 10 of lock ring.
The locking device of 3 rear end of epitheca main body is on lock ring 28 and to be put into epitheca main body for 9 sets of one compressed spring of lock ring
In the hole of connector 6, epoxide-resin glue is coated at the screw thread of epitheca main body connector 6, steel ball 7 is packed into the inner hole of epitheca main body connector 6
And steel ball 7 is entangled firm with lock ring 1, then 10 sets of two compressed spring of lock ring is rotatably inserted into epitheca main body on epitheca main body connector 6
3, screw thread is tightened, and is installed in place.
It is coated with epoxide-resin glue at the front end assembly of epitheca main body 3, is assembled with retaining ring 2, screw thread rotation is inserted into when assembly.
Epitheca main body 3, outer sheath 1 are assembled, and are coated with epoxide-resin glue at 1 assembly of outer sheath, are inserted into the inner hole of epitheca main body 3
It is interior, installation direction is adjusted, is installed in place.Inlet valve 4 and outlet valve 11 in epitheca main body 3 are also coated with epoxy resin at assembly
Glue, screw thread are tightened.
Referring to Fig. 3, in the present embodiment, interior sheath II is by interior sheath 13, is arranged in the subsequent interior sheath main body of interior sheath 13
16, the seal sheath lip 12 on interior 13 head of sheath and the sealing device sealing ring 14 in interior sheath main body 16 are constituted.Interior sheath main body
The steel bead groove 15 with the steel ball 7 cooperation is provided on 16.
Sealing ring 14 is mounted in two outer grooves of interior sheath main body 16, completes the assembly of sealing device.
It is assembled in sheath lip 12 and is coated with epoxide-resin glue at outer diameter, be rotatably inserted into interior sheath 13, adjustment installation direction is in place
Afterwards, remaining glue is removed, the assembly of seal is completed.
It is coated with epoxide-resin glue at interior sheath 13 and interior 16 assembly of sheath main body, is rotatably inserted into interior sheath 13, adjustment peace
Direction is filled, after being installed in place, removes remaining glue.
- Fig. 5 referring to fig. 4, in the present embodiment, cutting handle III include protection pipe 17, positioning pin 18, sealing shroud 19,
Hand main body 20, lock hook handle 22, pressure spring 23, elastic rod 24, handle 25, short tube microscope base 26, slide block assembly 27, turns round frame 28, turns round lock hook 21
Frame axis 29 turns round frame spring 30, bracket 31, turns round frame screw 32, lock ring handle 33, pellet 34, lock ring component 35, finger ring part 36.
Protection pipe 17 and handle body 20 are assembled, and are coated with epoxide-resin glue at 17 assembly of protection pipe, are rotatably inserted into handle
In 20 hole of main body.
Positioning pin 18 knocks in handle body 20, and sealing shroud 19 is screwed into the threaded hole of handle body 20.
The locking device installation of handle body 20 is as follows: lock hook 21 is put into handle body 20, and pressure spring 23, elastic rod 24 are according to suitable
Sequence is packed into the inner hole of lock hook handle 22, is then screwed into 21 screw thread of lock hook and is tightened.
Handle 25 is assemblied in 20 outer circle of handle body, fixes latching with fluting flush end holding screw.
Short tube microscope base 26 is passed through from 27 inner hole of slide block assembly, and then sealing shroud 19 is rotatably inserted into the hole of handle body 20
It is interior, adjustment assembly elasticity.
It turns round frame 28 to be aligned and put with the hole that bracket 31 assembles, turns round 30 both ends of frame spring and be inserted into the hole for turning round frame 28 and prop up respectively
It in the hole of frame 31, is then charged into and turns round frame axis 29, turn round frame 28 and be fixed on the hole of slide block assembly 27 with frame screw 32 is turned round, bracket 31 is used
It turns round frame screw 32 to be fixed on the hole of short tube microscope base 26, slide block assembly 27 can short tube between handle body 20 and short tube microscope base 26
Sliding, to realize two kinds of forms that slide block assembly 27 can move from front to back or from back to front.
The hole interplantation sealing ring of short tube microscope base 26, it is external to be assembled with locking device；Lock ring component 35 is screwed in short tube microscope base
On 20, pressure spring 23, pellet 34 puts into the inner hole of lock ring handle 33 in sequence, is then screwed into lock ring component 35.
Finger ring part 36 and torsion frame 28 assemble.
Short tube microscope base 26 includes short tube 261 and microscope base 262, and short tube 261 is inserted into 262 inner hole of microscope base, after being inserted in place, dress
Pass through laser welding with place.
Referring to Fig. 6-Fig. 9, in the present embodiment, slide block assembly 27 includes sliding block 271, locating piece spring housing 272, locating piece
Spring 273, guide-localization block 275, plays deck 276, plays deck fixing screws 277, push rod spring 278, plays Ka Ding steel ball 274
Bar 279, bullet card 2710, bullet card spring 2711.
The sliding block aperture one to match there are two being opened on sliding block 271 with the handle aperture (see Figure 12) in handle body 20
2712 and sliding block aperture 2 2714, the guide-localization block 275 and sliding block 271 are fixed, bullet card spring 2711, push rod spring
278 are respectively charged into bullet card 2710, play in deck 276, are then packed into bullet card 2710 and play in deck 276, are packed into bullet card mandril 279
Afterwards, it plays deck 276 and sliding block 27 assembles, and is fixed with deck fixing screws 277 are played；Locating piece spring 273 is put into locating piece
Spring housing 272, steel ball 274 is placed on one of locating piece spring 273 and then assembles with guide-localization block 275, and is tightened with screw thread
It locks.
Wherein: short tube hole 270 is the hole that short tube 261 passes through, and 2713 be high frequency line jack when using.Sliding block aperture one
2712 and sliding block aperture 2 2714 be located opposite from the short tube 261 i.e. lower section in short tube hole 270.
Referring to Figure 10-Figure 11, in the present embodiment, lock ring component 35 includes lock ring 351, lock ring connector 352, waveform spring
353 and retainer 354.
Retainer 354 is packed into the hole of lock ring 351, waveform spring 353 is inserted at outer diameter, in lock ring 351 and lock ring connector
High-temperature plastic is applied at 352 assembly, which can be epoxide-resin glue, and lock ring connector 352 is finally screwed in lock ring 351
Screw thread is outer.
Lock ring delthyrium 3511 and endoscope hole 3512 are also provided on lock ring 351, lock ring delthyrium 3511 is for installing lock ring handle
22, endoscope hole 3512 is during operation for across endoscope.
Referring to fig. 4, Figure 12-Figure 15 is provided with symmetrically handle in the handle body 20 in cutting handle III in the present embodiment
Hand aperture 1 and handle aperture 2 202 are also provided with symmetrical handle body threaded hole 1 and handle in handle body 20
Main body screw hole 2 205 can be respectively put into Fig. 4 in handle body threaded hole 1 and handle body threaded hole 2 205
Sealing shroud 19；203 be grip hole, for across short tube microscope base 26.
In use, the middle rearmost end of Bipolar electrocautery ring IV is inserted into respectively in handle aperture 1 and handle aperture 2 202,
By the cooperation elasticity of 19 adjustable handle bodies 20 and Bipolar electrocautery ring IV of rotatory sealing set, reach be sealed, feel
Light assembly effect.
Referring to Figure 17-Figure 28, in the present embodiment, Bipolar electrocautery ring IV includes cutting ring assemblies 1, cutting ring assemblies
2 38, two-way guide pin 39 and chapped pipe 40, two-way guide pin 39 fix cutting ring assemblies 1 and cutting ring assemblies respectively
2 38, and form protection pipe 17(referring to fig. 4) shape that is fixedly arranged at the front end in the channel 41 passed through, cutting ring assemblies 1 is circular arc
The coagulation piece 370 of plate, cutting ring assemblies 2 38 are fixedly arranged at the front end with semicircular cut ring 380, to carry out cutting and coagulation.
Wherein: two-way guide pin 39 is divided into guide pin 1 and guide pin 2 392 again.
Cutting ring assemblies 1 further include plastic tube 1, plastic tube 2 372, long steel wire 373, short steel wire 374, abnormity
Steel pipe 1 and tailpin pipe 1；Plastic tube 1, plastic tube 2 372 are respectively coated by long steel wire 373 and short steel wire 374
Outside, coagulation piece 370 is welded on the front end of long steel wire 373 and short steel wire 374, and tailpin pipe 1 is fixed on the last of long steel wire 373
End.Wherein: plastic tube 1 is long plastic tube one, and plastic tube 2 372 is short plastic tube, and 376 is on chapped pipes 1
Bayonet slot one.
Cutting ring assemblies 2 38 further include plastic tube 3 381, plastic tube 4 382, long tungsten wire 383, short tungsten wire 384, abnormity
Steel pipe 2 402 and tailpin pipe 2 385；Plastic tube 3 381, plastic tube 4 382 are respectively coated by long tungsten wire 383 and short tungsten wire 384
Outside, cut ring 380 is molded over the front end of long tungsten wire 383 and short tungsten wire 384, and tailpin pipe 2 385 is fixed on the last of long tungsten wire 383
End.Wherein: plastic tube 3 381 is long plastic tube, and plastic tube 4 382 is short plastic tube, and 386 be the card on chapped pipe 2 402
Mouth slot two.
In the present embodiment, plastic tube 1, plastic tube 4 382 are inserted into chapped pipe 1 respectively, plastic tube two
372, plastic tube 3 381 is inserted into chapped pipe 2 402 respectively, and plastic tube 1 and plastic tube 3 381 therein are each passed through
Chapped pipe 1 and chapped pipe 2 402, the long steel wire 373 and long tungsten wire 383 of their tail portions respectively with tailpin pipe 1
Pass through laser welding with tailpin pipe 2 385.
Referring to Figure 15-Figure 16, illustrate by taking the sectional structure of cutting ring assemblies 2 38 as an example.In use, Bipolar electrocautery ring IV
On two-way guide pin 39 match with the protection pipe 17 on cutting handle III, when protection pipe 17 is inserted into two-way guide pin 39
When, the tail portion of Bipolar electrocautery ring IV enters in slide block assembly 27, and the tip 27101 on bullet card 2710 is caught in chapped pipe 2 402
On bayonet slot 2 386 in, positioning lock.
Referring to fig. 4, Fig. 9, Figure 12, Figure 15-Figure 27, in the present embodiment, the Bipolar electrocautery ring IV and cutting handle III
The fitting method of middle sliding block 271 is as follows:
Due to being provided with handle aperture 1 and handle aperture 2 202 in handle body 20, two are provided on sliding block 271
A sliding block aperture 1 and sliding block aperture 2 2714 to match with this, they are located opposite from the lower section of short tube 261, together
When, protection pipe 17 matches with the channel 41 of the two-way guide pin 39 on Bipolar electrocautery ring IV again, therefore:
When installation, as long as holding Bipolar electrocautery ring, the protection pipe 17 on cutting handle 20 is made to be directed at Bipolar electrocautery ring IV
It the channel 41 of guide pin 1 and guide pin 2 392 and is inserted through in two-way guide pin 39, at the same time, Bipolar electrocautery ring
The handle aperture 1 and handle that IV tailpin pipe 1 and tailpin pipe 2 385 passes through respectively in two handle bodies 20 are small
It behind hole 2 202, is inserted into the sliding block aperture 1 and sliding block aperture 2 2714 of slide block assembly 27, until on bullet card 2710
Tip 27101 is respectively clamped into the bayonet slot 1 and bayonet slot 2 386 of chapped pipe 1 and chapped pipe 1, fixed
It locks position.
When disassembly, the bullet card mandril 279 in slide block assembly 27 is pressed, bullet card 2710 can move down and be detached from chapped pipe
One 401 bayonet slot 1 and the bayonet slot 2 386 of chapped pipe 2 402, at this point, with hand from the abnormity of Bipolar electrocautery ring IV
The front end of steel pipe 1 and chapped pipe 2 402 pulls outward, and can make tailpin pipe 1 and tailpin pipe 2 385 and sliding block 271
Bipolar electrocautery ring IV is taken out in separation.
Referring to Figure 15, when operation, doctor be can according to need, and is split by cut ring 380 to tissue, lead to
It crosses coagulation piece 370 and carries out electric coagulation hemostasis.
By foregoing description, those skilled in the art can implement.
Above content is only to structure of the invention example explanation described in this specification；Moreover, this hair
The title that bright each section is taken can also be different, what all structure, feature and principles described according to the invention patent design were done etc.
Effect or simple change, are included in the scope of protection of the invention patent.
Claims (8)
1. a kind of Bipolar electrocautery mirror assembly, including epitheca, interior sheath, cutting handle and electrode, epitheca includes outer sheath, epitheca master
Body, inlet valve and outlet valve, interior sheath include interior sheath and interior sheath main body, cutting handle include protection pipe, handle body, handle and
Bracket, epitheca is connect with interior sheath when use, and interior sheath is connect with cutting handle, and cutting handle and electrode cooperate, it is characterised in that:
The rear end of the epitheca main body is provided with epitheca locking device, it includes lock ring one, epitheca main body connector, steel ball, lock
Two compressed spring of ring two, one compressed spring of lock ring and lock ring, one compressed spring of lock ring are covered on lock ring two and are put into outer
In sheath main body connector, steel ball is packed into epitheca main body connector and entangles the steel ball with lock ring one, and two compressed spring of lock ring covers outside
On sheath main body connector；
The steel bead groove with steel ball cooperation is provided in the interior sheath main body；
Two handle apertures and two threaded holes are provided in the handle body, the threaded hole is located at the handle aperture
End is placed with sealing shroud respectively in threaded hole, and the cooperation of regulation handle main body and Bipolar electrocautery ring is covered by rotatory sealing
Elasticity；
Slide block assembly and lock ring component are provided on the cutting handle, the slide block assembly includes sliding block, locating piece bullet
Spring room, locating piece spring, sliding block steel ball, guide-localization block, play deck, push rod spring, play deck fixing screws, bullet card mandril,
Bullet card and bullet card spring, open that there are two the sliding block aperture to match with the handle aperture in handle body, institutes on the sliding block
Guide-localization block and the sliding block stated are fixed, and bullet card spring, push rod spring are respectively charged into bullet card, play in deck, then by bullet card, bullet card
Mandril, which is packed into, to be played in deck, is played deck and is fixed with sliding block with two bullet deck fixing screws, locating piece spring is put into locating piece bullet
Spring room, sliding block steel ball be placed on one of locating piece spring and with sliding block, guide-localization is packaged matches；The lock ring component includes lock
Ring, lock ring connector, waveform spring and retainer, retainer are mounted in lock ring, and waveform spring, lock ring connector and lock ring are cased on retainer
Connection；
The electrode is the Bipolar electrocautery ring of separate structure, and rearmost end is inserted into sliding block by handle body；
The Bipolar electrocautery ring includes cutting ring assemblies one, cutting ring assemblies two and two-way guide pin, two-way guide pin difference
Fixed cutting ring assemblies one and cutting ring assemblies two, and the channel that protection pipe passes through is formed, the front end of cutting ring assemblies one is fixed
There is coagulation piece, cutting ring assemblies two are fixedly arranged at the front end with cut ring, to carry out cutting and coagulation.
2. Bipolar electrocautery mirror assembly according to claim 1, it is characterised in that: the cutting ring assemblies one include cladding
There are the long steel wire and short steel wire of plastic tube, coagulation piece is welded on the front end of long steel wire and short steel wire, the cutting ring assemblies two
Long tungsten wire and short tungsten wire including being coated with plastic tube, cut ring are molded over the front end of long tungsten wire and short tungsten wire.
3. Bipolar electrocautery mirror assembly according to claim 2, it is characterised in that: the long steel wire and long tungsten wire outer cladding
There is long plastic tube, short steel wire and short tungsten wire are coated with short plastic tube.
4. Bipolar electrocautery mirror assembly according to claim 3, it is characterised in that: it is additionally provided with chapped pipe and tailpin pipe,
The plastic tube is inserted into chapped pipe, and long plastic tube therein passes through chapped pipe, and tailpin pipe is separately fixed at long steel
The rearmost end of silk and long tungsten wire.
5. Bipolar electrocautery mirror assembly according to claim 4, it is characterised in that: the chapped pipe is equipped with bayonet
Slot.
6. Bipolar electrocautery mirror assembly according to claim 1, it is characterised in that: the rearmost end of the Bipolar electrocautery ring passes through
Handle aperture is inserted into sliding block aperture.
7. Bipolar electrocautery mirror assembly according to claim 1, it is characterised in that: the coagulation piece is circular arc plate shape,
Cut ring is semicircle.
8. the cooperation side of electrode and sliding block in a kind of such as Bipolar electrocautery mirror assembly as claimed in any one of claims 1 to 7
Method, it is characterised in that: the fitting method of the Bipolar electrocautery ring and sliding block is as follows:
When installation, Bipolar electrocautery ring is held, the protection pipe on cutting handle is made to be directed at the logical of the two-way guide pin of Bipolar electrocautery ring
Road is simultaneously inserted through, at the same time, the tailpin pipe end of Bipolar electrocautery ring respectively by two handle apertures in handle body after
It is inserted into two sliding block apertures of slide block assembly, until in the bayonet slot that the tip on bullet card is caught in chapped pipe, positioning lock
Firmly；
When disassembly, the bullet card mandril in slide block assembly is pressed, bullet card can move down and be detached from the bayonet slot of chapped pipe, this
When, it is pulled outward with hand from the chapped pipe front end of Bipolar electrocautery ring, tailpin pipe can be made to separate with sliding block, take out Bipolar electrocautery
Ring.
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| CN201611160402.3A CN106725830B (en) | 2016-12-15 | 2016-12-15 | The fitting method of Bipolar electrocautery mirror assembly and its electrode and sliding block |
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| CN201611160402.3A CN106725830B (en) | 2016-12-15 | 2016-12-15 | The fitting method of Bipolar electrocautery mirror assembly and its electrode and sliding block |
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| CN106725830B true CN106725830B (en) | 2019-08-06 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109498148A (en) * | 2019-01-10 | 2019-03-22 | 杭州市第人民医院 | A kind of cutting device |
| CN109717951A (en) * | 2019-03-21 | 2019-05-07 | 上海宇度医学科技股份有限公司 | Hysteroscope is regarded by cutting |
| WO2021059135A1 (en) | 2019-09-24 | 2021-04-01 | Boston Scientific Limited | Medical systems, devices, and related methods |
| CN116421302B (en) * | 2023-06-13 | 2023-09-01 | 杭州好克光电仪器有限公司 | Electric cutting mirror |
| CN118303970B (en) * | 2024-05-21 | 2024-09-24 | 山东大学 | Electric cutting ring easy to replace electric cutting head |
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