CN109864818A - A kind of bipolar radio frequency knife head for surgical - Google Patents
A kind of bipolar radio frequency knife head for surgical Download PDFInfo
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- CN109864818A CN109864818A CN201910295551.8A CN201910295551A CN109864818A CN 109864818 A CN109864818 A CN 109864818A CN 201910295551 A CN201910295551 A CN 201910295551A CN 109864818 A CN109864818 A CN 109864818A
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- 239000007787 solid Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 210000001519 tissue Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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Abstract
The present invention relates to field of medical equipment technology, specifically a kind of bipolar radio frequency knife head for surgical, it is equipped with gun shaped handle, the gun shaped handle is made of handle portion and barral of a gun portion, it is characterized in that being equipped with shaft in the rear end in the barral of a gun portion of the gun shaped handle, it is cased with rotation in shaft and pulls wheel, the rear side that wheel is pulled in rotation is equipped with spanner, the front end in the barral of a gun portion of gun shaped handle is equipped with runner, the front end of the runner is connected with casing, the rear end of runner is equipped with the threaded rod of tubulose, flexible inner core is equipped in the casing, casing is stretched out in the front end of inner core, interior in-core is equipped with two through-holes being arranged above and below, cable is respectively equipped in through-hole, cable is divided into cable and lower cable, lower cable and upper cable are connected with the cable in the handle portion of gun shaped handle respectively, the handle portion lower end that cable passes through gun shaped handle is penetrated with double frequency Frequency machine is connected, and has many advantages, such as that structure is simple, easily operated, practical, working range is big, patient's damage is small.
Description
Technical field
The present invention relates to field of medical equipment technology, specifically a kind of structure is simple, easily operated, practicability
By force, working range is big, patient damages small bipolar radio frequency knife head for surgical.
Background technique
It is well known that known surgical operation, including minimally invasive spine surgical, foramen intervertebrale lens technology, endoscopic surgery, abdominal cavity
Videoendoscopic surgery provides for patient and reduces trauma wound, mitigate feeling of pain, reduce scar, reduce hospitalization rate, restore normal early
The advantages that function, from 2000, bipolar radio frequency knife head for surgical was widely used in vertebral column minimally invasive and other shapings
Surgical operation acts on soft tissue, plays the role of hemostasis, shrinks and burn.
Currently, when existing bipolar radio frequency knife head for surgical acts on tissue by foramen intervertebrale lens, due to cutter head work model
Enclose it is smaller, sometimes for reach expectation reach destination organization when, when needing to swing aperture mirror, and swinging aperture mirror, it is possible to hurt
And tissue near the head of aperture and nerve etc., puzzlement is caused to doctor in this way.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide that a kind of structure is simple, easily operated, practicability
By force, working range is big, patient damages small bipolar radio frequency knife head for surgical.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of bipolar radio frequency knife head for surgical is equipped with gun shaped handle, and the gun shaped handle is made of handle portion and barral of a gun portion, described
Handle portion be located at below the rear end in barral of a gun portion, it is characterised in that be equipped with turn the rear end in the barral of a gun portion of the gun shaped handle in
Axis, the shaft are connected with the barral of a gun portion of gun shaped handle, and rotation is cased in shaft and pulls wheel, the middle part of wheel is pulled in the rotation
It is socketed in shaft and rotates, the rear side that wheel is pulled in rotation is equipped with spanner, and one end of the spanner pulls wheel with rotation and is connected, spanner
The other end stretch out gun shaped handle barral of a gun portion rear end be equipped with pull hole, by pull spanner drive rotation pull wheel rotation,
The front end in the barral of a gun portion of the gun shaped handle is equipped with runner, and the front end of the runner is connected with casing, the rear end of runner
The front end of threaded rod equipped with tubulose, the threaded rod is connected with runner, and the rear end bar portion of threaded rod is put in barral of a gun portion
And be connected through a screw thread with barral of a gun portion, drive the back-and-forth motion of threaded rod to realize that the front and back of casing is moved by rotating wheel
It is dynamic, flexible inner core is equipped in the casing, casing is stretched out in the front end of inner core, and threaded rod and fixation are stretched out in the rear end of inner core
In barral of a gun portion, the interior in-core is equipped with two through-holes being arranged above and below, and is respectively equipped with cable, the line in the through-hole
Cable is divided into cable and lower cable, and the through-hole that the top of inner core is stretched out in the front end of the upper cable is connected with upper cutter head, on
The through-hole that the other end of cable stretches out above inner core is pulled wheel with the rotation below shaft and is fixedly connected, the front end of the lower cable
The through-hole for stretching out the lower section of inner core is connected with lower cutter head, and the other end of lower cable bypasses shaft after stretching out the through-hole below inner core
The rotation of top is pulled wheel with the rotation below shaft and is fixedly connected after pulling wheel, it is described pulled with rotation it is offline after wheel is fixedly connected
Cable and upper cable are connected with the cable in the handle portion of gun shaped handle respectively, cable pass through gun shaped handle handle portion lower end with
Dual band radio frequency machine is connected.
In the card slot that the barral of a gun portion that the inner core of the present invention for stretching out screw thread rod rear end is connected to gun shaped handle is equipped with, institute
The top for the card slot stated is equipped with fixing chuck plate, and the both ends of the fixing chuck plate are respectively through being clamped the screw thread of screw and card slot two sides
Hole is connected, and connects and fixes inner core by card slot and fixing chuck plate, prevents inner core from detaching.
The barral of a gun portion of card slot rear end of the present invention, which is equipped with, contradicts axis, the end of the conflict axis and gun shaped handle
Barral of a gun portion be fixedly connected, the upper cable of the stretching inner core pulls wheel with rotation by contradicting the upside of axis and is connected, described
The lower cable of stretching inner core pull wheel by contradicting the downside of axis with rotation and be connected, by contradicting axis guarantee cable in inner core
It moves horizontally.
Conflict axis of the present invention is equipped with turning set, upper cable and lower cable respectively with the two sides phase up and down of turning set
It contradicts, pulling spanner by turning set prevents cable during cable or lower cable are pulled in the twitch of wheel in rotation and contradict axis
It rubs, the service life of cable and lower cable in reduction.
Rotation, which is pulled, on the downside of shaft of the present invention sets on wheel there are two threaded hole, and described bypassing is offline on the upside of shaft
It cable and is fixedly connected respectively through fastening screw with two threaded holes with the lower cable on the downside of shaft.
Flexible inner core of the present invention contradicts connection by multiple curved blocks side by side and is formed, and the inside of curved block is equipped with
Cable through hole arranged side by side up and down, the front end of the curved block are equipped with arc bump, and the rear end of curved block is equipped with arc groove, arc
Shape convex block and arc groove are cooperatively connected, and the two sides up and down after adjacent curved block is connected by arc groove with arc bump are divided
Curved slot She You not avoided, upper cutter head and lower cutter head are respectively engaged with the front end of inner core, by upper cutter head and lower cutter head with it is upper
The pulling function of cable and lower cable makes the compact connection side by side of multiple curved blocks.
The present invention is due to being equipped with shaft, the shaft and gun shaped handle in the rear end in the barral of a gun portion of the gun shaped handle
The barral of a gun portion of hand is connected, and rotation is cased in shaft and pulls wheel, and the rotation, which pulls to be socketed in the middle part of wheel in shaft, to be rotated, rotation
The rear side for pulling wheel is equipped with spanner, and one end of the spanner pulls wheel with rotation and is connected, and the other end of spanner stretches out gun shaped handle
Barral of a gun portion rear end be equipped with pull hole, by pull spanner drive rotation pull wheel rotation, the barral of a gun of the gun shaped handle
The front end in portion is equipped with runner, and the front end of the runner is connected with casing, and the rear end of runner is equipped with the threaded rod of tubulose, described
The front end of threaded rod be connected with runner, the rear end bar portion of threaded rod, which puts in barral of a gun portion and passes through screw thread with barral of a gun portion, to be connected
It connects, drives the back-and-forth motion of threaded rod to realize the back-and-forth motion of casing by rotating wheel, being equipped in the casing can
Casing is stretched out in curved inner core, the front end of inner core, and the rear end of inner core stretches out threaded rod and is fixed on barral of a gun portion, the interior in-core
Equipped with two through-holes being arranged above and below, cable is respectively equipped in the through-hole, the cable is divided into cable and lower cable,
The through-hole that the top of inner core is stretched out in the front end of the upper cable is connected with upper cutter head, and the other end of upper cable stretches out on inner core
The through-hole of side is pulled wheel with the rotation below shaft and is fixedly connected, the front end of the lower cable stretch out the through-hole of the lower section of inner core with
Lower cutter head is connected, after the through-hole that the other end of lower cable stretches out below inner core around the rotation above shaft pull after wheel with shaft
The rotation of lower section is pulled wheel and is fixedly connected, it is described with rotation pull wheel be fixedly connected after lower cable and upper cable respectively with gun shaped handle
Cable in the handle portion of hand is connected, and the handle portion lower end that cable passes through gun shaped handle is connected with dual band radio frequency machine, described
The inner core of stretching screw thread rod rear end be connected in the card slot that the barral of a gun portion of gun shaped handle is equipped with, the top of the card slot is equipped with
Fixing chuck plate, the both ends of the fixing chuck plate are connected through clamping screw with the threaded hole of card slot two sides respectively, pass through card slot
Inner core is connected and fixed with fixing chuck plate, prevents inner core from detaching, the barral of a gun portion of the card slot rear end, which is equipped with, contradicts axis, described
The end for contradicting axis is fixedly connected with the barral of a gun portion of gun shaped handle, the upside that the upper cable of the stretching inner core passes through conflict axis
It pulls wheel with rotation to be connected, the lower cable of the stretching inner core pulls wheel with rotation by the downside of conflict axis and is connected, and passes through
Contradict axis and guarantee cable moving horizontally in inner core, the conflict axis is equipped with turning set, upper cable and lower cable respectively with
The two sides up and down of turning set are inconsistent, so that spanner is pulled rotation by turning set and pull the process of cable or lower cable in the twitch of wheel
In prevent cable and contradict axis friction, in the service life of reductions upper cable and lower cable, rotate to pull to take turns on the downside of the shaft and be equipped with
Two threaded holes, the described lower cable around on the upside of shaft and with the lower cable on the downside of shaft respectively through fastening screw and two
Threaded hole is fixedly connected, and the flexible inner core contradicts connection by multiple curved blocks side by side and formed, and is set on the inside of curved block
There is cable through hole arranged side by side up and down, the front end of the curved block is equipped with arc bump, and the rear end of curved block is equipped with arc groove,
Arc bump and arc groove are cooperatively connected, and adjacent curved block passes through the two sides up and down after arc groove is connected with arc bump
Be respectively equipped with evacuation curved slot, upper cutter head and lower cutter head are respectively engaged with the front end of inner core, by upper cutter head and lower cutter head with
The pulling function of upper cable and lower cable makes the compact connection side by side of multiple curved blocks, simple, the easily operated, practicability with structure
By force, the advantages that working range is big, patient's damage is small.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the partial enlarged view of gun shaped handle in Fig. 1.
Fig. 3 is the partial enlarged view in the portion A in Fig. 1.
Fig. 4 is the structural schematic diagram that inner core is curved block.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in the picture, a kind of bipolar radio frequency knife head for surgical is equipped with gun shaped handle, and the gun shaped handle is by handle portion 1 and rifle
Bar portion 2 forms, and the handle portion 1 is located at below the rear end in barral of a gun portion 2, it is characterised in that the barral of a gun portion of the gun shaped handle
Shaft 3 is equipped in 2 rear end, the shaft 3 is connected with the barral of a gun portion 2 of gun shaped handle, rotation is cased in shaft 3 and pulls wheel
4, the middle part that wheel 4 is pulled in the rotation, which is socketed in shaft 3, to be rotated, and the rear side that wheel 4 is pulled in rotation is equipped with spanner 5, the spanner 5
One end and rotation pull wheel 4 and be connected, what the rear end that the other end of spanner 5 stretches out the barral of a gun portion 2 of gun shaped handle was equipped with pulls hole,
Rotation is driven to pull 4 rotation of wheel by pulling spanner 5, the front end in the barral of a gun portion 2 of the gun shaped handle is equipped with runner 6, described
The front end of runner 6 is connected with casing 7, and the rear end of runner 6 is equipped with the threaded rod 8 of tubulose, the front end of the threaded rod 8 with turn
Wheel 6 is connected, and the rear end bar portion of threaded rod 8 puts in barral of a gun portion 2 and is connected through a screw thread with barral of a gun portion 2, passes through rotating wheel 6
It drives the back-and-forth motion of threaded rod 8 and then realizes the back-and-forth motion of casing 7, be equipped with flexible inner core 9 in the casing 7,
Casing 7 is stretched out in the front end of inner core 9, and the rear end of inner core 9 stretches out threaded rod 8 and is fixed on barral of a gun portion 2, is equipped in the inner core 9
Two through-holes being arranged above and below are respectively equipped with cable in the through-hole, and the cable is divided into cable 10 and lower cable 11,
The through-hole that the top of inner core 9 is stretched out in the front end of the upper cable 10 is connected with upper cutter head 21, and the other end of upper cable 10 is stretched
The through-hole of 9 top of inner core is pulled wheel 4 with the rotation of 3 lower section of shaft and is fixedly connected out, and inner core 9 is stretched out in the front end of the lower cable 11
The through-hole of lower section be connected with lower cutter head 22, the other end of lower cable 11 stretches out after the through-hole of 9 lower section of inner core around in shaft 3
The rotation of side, which is pulled, pulls wheel 4 with the rotation of the lower section of shaft 3 after wheel 4 and is fixedly connected, it is described pulled with rotation take turns 4 be fixedly connected after under
Cable 11 and upper cable 10 are connected with the cable 12 in the handle portion 1 of gun shaped handle respectively, and cable 12 passes through gun shaped handle
1 lower end of handle portion is connected with dual band radio frequency machine, and the inner core 9 of 8 rear end of stretching threaded rod is connected to the rifle of gun shaped handle
In the card slot that bar portion 2 is equipped with, the top of the card slot is equipped with fixing chuck plate 13, and the both ends of the fixing chuck plate 13 pass through respectively
Clamping screw 14 is connected with the threaded hole of card slot two sides, connects and fixes inner core 9 by card slot and fixing chuck plate 13, prevents inner core
9 detach, and the barral of a gun portion 2 of the card slot rear end, which is equipped with, contradicts axis 15, the end of the conflict axis 15 and gun shaped handle
Barral of a gun portion 2 is fixedly connected, and the upper cable 10 of the stretching inner core 9 pulls wheel 4 with rotation by the upside of conflict axis 15 and is connected,
The lower cable 11 of the stretching inner core 9 pulls wheel 4 with rotation by the downside of conflict axis 15 and is connected, and passes through and contradicts the guarantee of axis 15
Cable is moved horizontally inner core 9, and the conflict axis 15 is equipped with turning set, upper cable 10 and lower cable 11 respectively with rotation
The two sides up and down of set are inconsistent, so that spanner 5 is pulled rotation by turning set and pull the mistake of cable 10 or lower cable 11 in the twitch of wheel 4
Cable is prevented in journey and contradicts axis 15 rubbing, the service life of cable 10 and lower cable 11 in reduction rotates on the downside of the shaft 3 and pulls
It is set on wheel 4 there are two threaded hole, described distinguishes around the lower cable 11 of 3 upside of shaft and with the lower cable 11 of 3 downside of shaft
It is fixedly connected through fastening screw 16 with two threaded holes, by multiple curved blocks 17, conflict connects the flexible inner core 9 side by side
It connects to be formed, the inside of curved block 17 is equipped with cable through hole arranged side by side up and down, and the front end of the curved block 17 is equipped with arc bump
18, the rear end of curved block 17 is equipped with arc groove 19, and arc bump 18 and arc groove 19 are cooperatively connected, adjacent curved block 17
Two sides up and down after being connected by arc groove 19 and arc bump 18 are respectively equipped with evacuation curved slot 20, upper cutter head 21 and cut
First 22 are respectively engaged with the front end of inner core 9, pass through the pulling of upper cutter head 21 and lower cutter head 22 and upper cable 10 and lower cable 11
Effect makes the compact connection arranged side by side of multiple curved blocks 17.
In the use of the present invention, driving threaded rod 8 to move before and after the barral of a gun portion 2 of gun shaped handle by rotating wheel 6 first
It is dynamic, and then the length that inner core 9 stretches out casing 7 is adjusted, then pulling handle, pulls downwards spanner 5, and rotation is driven to pull 4 up times of wheel
Needle rotation then pulls lower cable 11, is bent lower cutter head 22 downward, pulls spanner 5 upwards, rotation is driven to pull 4 inverse times of wheel
Needle rotation then pulls upper cable 10, so that upper cutter head 21 is put bending upward, thus greatly increase the working range of cutter head,
Cutter head can be made to reach the position that expectation reaches to make doctor not have to swing aperture mirror, and then avoided damage near the head of aperture
Tissue and nerve etc., the curved block 17 in inner core 9 are usually to be made of medical grade plastic materials, and there are the hole of bilateral, lower cable in the inside
11 and upper cable 10 penetrate wherein, to can drive inner core 9 upward or decurvation when pulling cable, casing 7 one
As be made of stainless steel material, lower cable 11 and upper cable 10 not only play the role of drawing, also there is conduction；Rotation turns
Wheel 6 can drive casing 7 elastic, to control the length that inner core 9 exposes casing 7, also be able to achieve the work for expanding cutter head in this way
Make range, and keeps doctor few as far as possible or no longer swing aperture mirror；Cutter head, which can be realized to affected tissues, emits specific radio
Wave, the hydrone being applied in histocyte mutually shake friction and generate internal heat, cause dehydration, tissue contracts in histocyte
And reaching solidifying anastalsis, the present invention is described due to being equipped with shaft 3 in the rear end in the barral of a gun portion 2 of the gun shaped handle
Shaft 3 is connected with the barral of a gun portion 2 of gun shaped handle, and rotation is cased in shaft 3 and pulls wheel 4, the middle part socket of wheel 4 is pulled in the rotation
It is rotated in shaft 3, the rear side that wheel 4 is pulled in rotation is equipped with spanner 5, and one end of the spanner 5 pulls wheel 4 with rotation and is connected, pulls
What the rear end that the other end of hand 5 stretches out the barral of a gun portion 2 of gun shaped handle was equipped with pulls hole, drives rotation to pull wheel 4 by pulling spanner 5
The front end of rotation, the barral of a gun portion 2 of the gun shaped handle is equipped with runner 6, and the front end of the runner 6 is connected with casing 7, turns
The rear end of wheel 6 is equipped with the threaded rod 8 of tubulose, and the front end of the threaded rod 8 is connected with runner 6, the rear end bar portion of threaded rod 8
It puts in barral of a gun portion 2 and is connected through a screw thread with barral of a gun portion 2, the back-and-forth motion reality of threaded rod 8 is driven by rotating wheel 6
The back-and-forth motion of existing casing 7, the casing 7 is interior to be equipped with flexible inner core 9, and casing 7 is stretched out in the front end of inner core 9, inner core 9
Rear end stretches out threaded rod 8 and is fixed on barral of a gun portion 2, and two through-holes being arranged above and below, the through-hole are equipped in the inner core 9
It is inside respectively equipped with cable, the cable is divided into cable 10 and lower cable 11, and inner core 9 is stretched out in the front end of the upper cable 10
The through-hole of top be connected with upper cutter head 21, the other end of upper cable 10 stretches out 3 lower section of through-hole and shaft of 9 top of inner core
Rotation is pulled wheel 4 and is fixedly connected, and the through-hole that the lower section of inner core 9 is stretched out in the front end of the lower cable 11 is connected with lower cutter head 22,
The rotation that the other end of lower cable 11 stretches out after the through-hole of 9 lower section of inner core around 3 top of shaft is pulled after wheel 4 and below shaft 3
Rotation is pulled wheel and 4 is fixedly connected, it is described pull with rotation the lower cable 11 after wheel 4 is fixedly connected and upper cable 10 respectively with gun shaped handle
Cable 12 in the handle portion 1 of hand is connected, and 1 lower end of handle portion that cable 12 passes through gun shaped handle is connected with dual band radio frequency machine
It connects, in the card slot that the barral of a gun portion 2 that the inner core 9 of 8 rear end of stretching threaded rod is connected to gun shaped handle is equipped with, the card slot
Top be equipped with fixing chuck plate 13, the both ends of the fixing chuck plate 13 respectively through be clamped screw 14 and card slot two sides threaded hole
It is connected, inner core 9 is connected and fixed by card slot and fixing chuck plate 13, prevents inner core 9 from detaching, the barral of a gun portion of the card slot rear end
2 are equipped with conflict axis 15, and the end of the conflict axis 15 is fixedly connected with the barral of a gun portion 2 of gun shaped handle, in the stretching
The upper cable 10 of core 9 pulls wheel 4 with rotation by the upside of conflict axis 15 and is connected, and the lower cable 11 of the stretching inner core 9 is logical
It crosses the downside of conflict axis 15 and rotation pulls wheel 4 and is connected, guarantee cable moving horizontally in inner core 9 by contradicting axis 15, it is described
Conflict axis 15 be equipped with turning set, upper cable 10 and lower cable 11 are inconsistent with the two sides up and down of turning set respectively, by turn
Dynamic set pulls spanner 5 in the twitch for rotating and pulling and take turns 4 prevents cable from rubbing with axis 15 is contradicted during cable 10 or lower cable 11
Wipe, the service life of reductions upper cable 10 and lower cable 11, on the downside of the shaft 3 rotation pull take turns set on 4 there are two threaded hole, it is described
Around the lower cable 11 of the upside of shaft 3 and with the lower cable 11 of 3 downside of shaft respectively through fastening screw 16 and two threaded holes
It is fixedly connected, the flexible inner core 9 contradicts connection by multiple curved blocks 17 side by side and formed, and the inside of curved block 17 is equipped with
Cable through hole arranged side by side up and down, the front end of the curved block 17 are equipped with arc bump 18, and the rear end of curved block 17 is equipped with arc
Groove 19, arc bump 18 and arc groove 19 are cooperatively connected, and adjacent curved block 17 passes through arc groove 19 and arc bump
Two sides up and down after 18 connections are respectively equipped with evacuation curved slot 20, before upper cutter head 21 and lower cutter head 22 are respectively engaged with inner core 9
End keeps multiple curved blocks 17 tight side by side by the pulling function of upper cutter head 21 and lower cutter head 22 and upper cable 10 and lower cable 11
It gathers connection, has many advantages, such as that structure is simple, easily operated, practical, working range is big, patient's damage is small.
Claims (6)
1. a kind of bipolar radio frequency knife head for surgical is equipped with gun shaped handle, the gun shaped handle is made of handle portion and barral of a gun portion, institute
The handle portion stated is located at below the rear end in barral of a gun portion, it is characterised in that is equipped in the rear end in the barral of a gun portion of the gun shaped handle
Shaft, the shaft are connected with the barral of a gun portion of gun shaped handle, and rotation is cased in shaft and pulls wheel, the rotation is pulled in wheel
Portion is socketed in shaft and rotates, and the rear side that wheel is pulled in rotation is equipped with spanner, and one end of the spanner pulls wheel with rotation and is connected, pulls
What the rear end that the other end of hand stretches out the barral of a gun portion of gun shaped handle was equipped with pulls hole, drives rotation to pull rotation by pulling spanner
Dynamic, the front end in the barral of a gun portion of the gun shaped handle is equipped with runner, and the front end of the runner is connected with casing, after runner
End is equipped with the threaded rod of tubulose, and the front end of the threaded rod is connected with runner, and the rear end bar portion of threaded rod puts in barral of a gun portion
It is interior and be connected through a screw thread with barral of a gun portion, pass through the front and back shifting that rotating wheel drives the back-and-forth motion of threaded rod to realize casing
It is dynamic, flexible inner core is equipped in the casing, casing is stretched out in the front end of inner core, and threaded rod and fixation are stretched out in the rear end of inner core
In barral of a gun portion, the interior in-core is equipped with two through-holes being arranged above and below, and is respectively equipped with cable, the line in the through-hole
Cable is divided into cable and lower cable, and the through-hole that the top of inner core is stretched out in the front end of the upper cable is connected with upper cutter head, on
The through-hole that the other end of cable stretches out above inner core is pulled wheel with the rotation below shaft and is fixedly connected, the front end of the lower cable
The through-hole for stretching out the lower section of inner core is connected with lower cutter head, and the other end of lower cable bypasses shaft after stretching out the through-hole below inner core
The rotation of top is pulled wheel with the rotation below shaft and is fixedly connected after pulling wheel, it is described pulled with rotation it is offline after wheel is fixedly connected
Cable and upper cable are connected with the cable in the handle portion of gun shaped handle respectively, cable pass through gun shaped handle handle portion lower end with
Dual band radio frequency machine is connected.
2. a kind of bipolar radio frequency knife head for surgical according to claim 1, it is characterised in that the stretching screw thread rod rear end
Inner core be connected in the card slot that the barral of a gun portion of gun shaped handle is equipped with, the top of the card slot is equipped with fixing chuck plate, described
The both ends of fixing chuck plate are connected through clamping screw with the threaded hole of card slot two sides respectively, are clamped by card slot and fixing chuck plate solid
Determine inner core, prevents inner core from detaching.
3. a kind of bipolar radio frequency knife head for surgical according to claim 1, it is characterised in that the barral of a gun of the card slot rear end
Portion, which is equipped with, contradicts axis, and the end of the conflict axis is fixedly connected with the barral of a gun portion of gun shaped handle, the stretching inner core
Upper cable pulls wheel with rotation by the upside of conflict axis and is connected, the downside that the lower cable of the stretching inner core passes through conflict axis
Wheel is pulled with rotation to be connected, and guarantees cable moving horizontally in inner core by contradicting axis.
4. a kind of bipolar radio frequency knife head for surgical according to claim 1, it is characterised in that the conflict axis, which is equipped with, to be turned
Dynamic set, upper cable and lower cable are inconsistent with the two sides up and down of turning set respectively, so that spanner is pulled rotation by turning set and pull wheel
Twitch on prevent cable during cable or lower cable and contradict axis friction, the service life of cable and lower cable in reduction.
5. a kind of bipolar radio frequency knife head for surgical according to claim 1, it is characterised in that rotation is pulled on the downside of the shaft
It is set on wheel there are two threaded hole, the lower cable bypassed on the upside of shaft and with the lower cable on the downside of shaft respectively through fastening spiral shell
Nail is fixedly connected with two threaded holes.
6. a kind of bipolar radio frequency knife head for surgical according to claim 1 or 3, it is characterised in that the flexible inner core
It contradicts connection side by side by multiple curved blocks to be formed, the inside of curved block is equipped with cable through hole arranged side by side up and down, the curved block
Front end be equipped with arc bump, the rear end of curved block is equipped with arc groove, and arc bump and arc groove are cooperatively connected, adjacent
Two sides up and down after curved block is connected by arc groove with arc bump are respectively equipped with evacuation curved slot, upper cutter head and lower cutter head
It is respectively engaged with the front end of inner core, multiple bendings are made by the pulling function of upper cutter head and lower cutter head and upper cable and lower cable
Block compact connection side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295551.8A CN109864818B (en) | 2019-04-12 | 2019-04-12 | Bipolar radio frequency surgical knife head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910295551.8A CN109864818B (en) | 2019-04-12 | 2019-04-12 | Bipolar radio frequency surgical knife head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109864818A true CN109864818A (en) | 2019-06-11 |
| CN109864818B CN109864818B (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910295551.8A Active CN109864818B (en) | 2019-04-12 | 2019-04-12 | Bipolar radio frequency surgical knife head |
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| CN (1) | CN109864818B (en) |
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| CN109864818B (en) | 2023-11-14 |
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