CN108938078A - A kind of line snare - Google Patents
A kind of line snare Download PDFInfo
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- CN108938078A CN108938078A CN201810800316.7A CN201810800316A CN108938078A CN 108938078 A CN108938078 A CN 108938078A CN 201810800316 A CN201810800316 A CN 201810800316A CN 108938078 A CN108938078 A CN 108938078A
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- core bar
- line
- snare
- sensitivity
- sensitivity speck
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
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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
- A61B2018/00595—Cauterization
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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
- A61B2018/00601—Cutting
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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
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Otolaryngology (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention discloses a kind of line snares, the slip ring covered on core bar including snare, drag-line, protecting pipe, core bar and slip, the photosensitive item extended along core bar length direction is equipped in the core bar, it is placed with several sensitivity specks along its length on the photosensitive item, the traveller is equipped with luminous point relative to one end of photosensitive item, digital display is fixedly connected on the lateral wall of the core bar, sensitivity speck on the digital display and photosensitive item couples, in have and the one-to-one numerical value of sensitivity speck.Line snare of the invention, pass through the setting of luminous point and sensitivity speck, it can effectively realize the skidding distance for detecting slip ring, it so can effectively reflect the change of the diameter of snare, then it is effectively shown by digital display, avoids problem painstaking by observation caused by scale in the prior art.
Description
Technical field
The present invention relates to a kind of snare, more particularly to a kind of line snare.
Background technique
Snare is mainly used for cooperating excision of the high-frequency electrical to various polyps and excess tissue under scope.Conventional snare set
The size of circle fixes, and the size outline of pathological tissues is less than the size of lasso, and such surgical effect is optimal.It is true
On, many times some patients can miss golden hour, and pathological tissues is caused to become larger very much, primary cutting do not finish when
It waits, needs to carry out at least 2 times, but the 2nd size using lasso when snare just seems too big, operation effect certainly will be will affect
Fruit, thus just occur a kind of snare of adjustable size in the prior art, including lasso 1, drag-line 3, protecting pipe 4, slip ring
7, pipe sheath 2 is set on the connecting portion of electrode 6 and core bar 8, drag-line 3 and lasso 1, one end of drag-line 3 passes through pipe sheath 2 and lasso
1 tail end is fixedly connected, and the other end is fixedly connected with the head end of protecting pipe 4, and slip ring 7 is sleeved on core bar 8 and can be with respect to core bar 8
Axial movement, protecting pipe 4 are inserted into core bar 8, and the tail end and electrode 6 of protecting pipe 4 are fixedly connected on core bar 8, and protecting pipe 4
Tail end and electrode 6 be electrically connected, slip ring 7 is equipped with the pulling pin 9 of spring connection, and pulling pin 9 vertically stretches in 8 outer surface of core bar,
There is scale 10 on the upper surface of core bar 8, also process there are three the positioning groove 11 for being clamped pulling pin 9, using on core bar 8
When extroversion push while haul pulling pin 9 slip ring 7 to open lasso 1 forward, selected pulling pin 9 to be clamped according to the size of pathological tissues
In which positioning groove 11, that is, the lasso 1 for being suitble to size is selected, tissue is then entangled, slip ring 7 is pulled back and tightens lasso 1
Tissue is tightened, high-frequency electrical burning tissue is connected by electrode 7, plays the role of perfect cutting tissue, however in above structure
Scale is arranged on core bar, and then doctor learns which that core bar is particularly located at by observation slip ring be the size of lasso be
It is learnt on scale, and the diameter volume of core bar is generally all smaller, thus the scale above it is also smaller, and doctor
It also needs to carry out calculating reading when observing scale, so just will appear very painstaking problem, just appear in operation
During, the more difficult size cases for learning lasso at this time of doctor, and then the more difficult size cases for learning patient's polyp.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of doctor to can be good at learning lasso
The line snare of size cases.
To achieve the above object, the present invention provides the following technical scheme that a kind of line snare, including snare, drag-line, shield
The slip ring of casing, core bar and slip covered on core bar, one end of the protecting pipe are fixedly connected with core bar, the sheath
Pipe is equipped with pipe sheath backwards to one end of core bar, and one end of the drag-line is fixedly connected with snare, and the other end passes through pipe sheath and protecting pipe
After extend into core bar, be then fixedly connected again with slip ring, pulled with the sliding with slip ring snare be retracted into pipe it is intrathecal or
From the intrathecal stretching of pipe, the core bar is in hollow setting, and the side of the core bar offers slide opening in long strip, the slip ring it is interior
Traveller is fixedly connected on wall, the traveller is penetrated into core bar by slide opening, and the drag-line extend into one end and the cunning of core bar
The side of column is fixedly connected, and the photosensitive item extended along core bar length direction is equipped in the core bar, is grown on the photosensitive item along it
Degree direction is placed with several sensitivity specks, and the traveller is equipped with luminous point relative to one end of photosensitive item, when slip ring is sliding in core bar
When shifting, luminous point streaks several sensitivity specks one by one, is fixedly connected with digital display on the lateral wall of the core bar, the number
Sensitivity speck on display and photosensitive item couples, in have with the one-to-one numerical value of sensitivity speck, when traveller slide onto it is luminous
Point with one of sensitivity speck to it is corresponding when sensitivity speck output signal in digital display, digital display is shown and the sense
The corresponding numerical value of luminous point.
As a further improvement of the present invention, several if the digital display includes driving circuit and dry plate LED pieces
Piece LED pieces line up the figure of eight in the side of core bar, and the driving circuit has several input terminals and several output ends,
Several described input terminals and several sensitivity specks, which correspond, to be coupled, if several described output ends and dry plate LED pieces one
One corresponds to coupling, exports in luminous signal to LED pieces after the signal to receive sensitivity speck output, and driving LED pieces are luminous aobvious
Registration word.
As a further improvement of the present invention, the driving circuit includes:
Driving chip U, driving chip U have quantity and the one-to-one input pin of sensitivity speck and quantity and LED light
The one-to-one output pin of piece, the input pin are coupled with sensitivity speck correspondingly, and the output pin corresponds
With LED pieces couple.
As a further improvement of the present invention, the photosensitive item includes power supply in long strip and along power supply length direction
If being arranged in the dry plate sensitive film as sensitivity speck on power supply, if dry plate sensitive film all has power input and signal output
End, the power input is and supply coupling, the input pin of the signal output end and driving chip U correspond coupling
It connects, the sensitive film is the photosensitive element of negative coefficient, and when luminous point is opposite with sensitive film, sensitive film powers on and driving core
Piece U, in input high level signal to driving chip U.As a further improvement of the present invention, the traveller is relative to photosensitive item
One end offer luminous slot, LED light is equipped in the luminous slot, which is fixedly connected with barn door, described
The center of barn door offers loophole, condenser is equipped in the loophole, the light of the LED light after condenser optically focused by wearing
Loophole is crossed to be irradiated on sensitive film.
As a further improvement of the present invention, the luminous slot is in coniform, and for notch as bottom surface, the LED light is solid
It is scheduled on the top of luminous slot, the cell wall of the slot that shines is coated with reflective layer.
As a further improvement of the present invention, it is equipped with magnetism on the power supply correspondingly on the position of sensitive film
One end of column, the backward luminous slot of barn door is fixedly connected with magnetic pole, when traveller slides so that luminous point is opposite with sensitivity speck,
Magnetic lives to attract each other with magnetic posts, and slip ring is positioned.
Beneficial effects of the present invention can be effective group by the setting of snare, drag-line, protecting pipe, core bar and slip ring
At the adjustable snare structure of a snare diameter, and by the photosensitive item in core bar and sensitivity speck and traveller thereon
The mating reaction of luminous point can be realized effectively and reflect the skidding distance of the slip ring i.e. diameter of snare by electric signal
Come, this electric signal is then received by digital display and directly display out corresponding number, so compared to existing
In technology by the way of scale, doctor observes directly and shows on digital display there is no need to calculate having read
Number can effectively learn the diameter of snare at this time, and use luminous point and sensitivity speck cooperation detection slip ring
Skidding distance directly contacted so that being had no between traveller and photosensitive item, so compared with the prior art in use trigger switch
Or the mode of contact-making switch, it just will not be because of the doctor caused by needing to overcome biggish power when moving that contacts with each other between the two
Life is difficult to the problem of operating snare.
Detailed description of the invention
Fig. 1 is the overall structure figure of snare of the invention；
Fig. 2 is the schematic internal view of core bar in Fig. 1
Fig. 3 is the circuit diagram of snare of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Shown in 3, a kind of line snare of the present embodiment, including snare 1, drag-line 2, protecting pipe 3, core bar 4 with
And the slip ring 5 of slip covered on core bar 4, one end of the protecting pipe 3 are fixedly connected with core bar 4, the protecting pipe 3 is backwards
One end of core bar 4 is equipped with pipe sheath 6, and one end of the drag-line 2 is fixedly connected with snare 1, and the other end passes through pipe sheath 6 and protecting pipe 3
After extend into core bar 4, be then fixedly connected again with slip ring 5, pull snare 1 to be retracted into pipe sheath 6 with the sliding with slip ring 5
Or stretched out out of pipe sheath 6, the core bar 4 is in hollow setting, and the side of the core bar 4 offers slide opening 41 in long strip, institute
It states and is fixedly connected with traveller 51 on the inner wall of slip ring 5, the traveller 51 is penetrated into core bar 4 by slide opening 41, and the drag-line 2 is stretched
Enter to one end of core bar 4 and be fixedly connected with the side of traveller 51, is equipped in the core bar 4 and to extend along 4 length direction of core bar
Photosensitive item 42 is placed with several sensitivity specks on the photosensitive item 42 along its length, and the traveller 51 is relative to photosensitive item 42
One end be equipped with luminous point, when slip ring 5 core bar 4 slide when, luminous point streaks several sensitivity specks one by one, the core bar 4
Digital display 43 is fixedly connected on lateral wall, the sensitivity speck on the digital display 43 and photosensitive item 42 couples, interior tool
Have with the one-to-one numerical value of sensitivity speck, when traveller 51 slide onto luminous point and one of sensitivity speck to it is corresponding when sensitivity speck it is defeated
Out 43 in signal to digital display, digital display 43 shows numerical value corresponding with the sensitivity speck, is using the present embodiment
Line snare during, under view of the endoscope, snare 1 is extend into disease with 6 protecting pipe 3 of pipe sheath and drag-line 2
In human body, patient's polyp to be cut then is entangled using snare 1, slip ring 5 is pushed and pulled outward later, then slip ring 5 will band
Drag-line 2 it is mobile, such drag-line 2 will haul snare 1, so that 1 part of snare is tucked into pipe sheath 6, such snare 1 is manifested
The diameter come just reduces, and during slip ring 5 is mobile, traveller 51 will be with moving, then luminous point will together
One by one streak sensitivity speck, will sense light on such sensitivity speck, then exporting corresponding electric signal, to be input to number aobvious
Show in device 43, digital display 43 shows number corresponding with sensitivity speck one by one, and is being adjusted to suitable 1 size of snare
After, then corresponding slip ring 5 just no longer slides, such luminous point will keep an opposite sensitivity speck, in this way number display
Device 43 also just only shows number corresponding to the sensitivity speck, and such doctor does not just need compared with equally needing to calculate in technology
Scale is read, the number for observing directly the display of digital display 43 can directly indicate the size of 1 diameter of snare, Er Qie
During luminous point streaks sensitivity speck one by one, luminous point thus just will not be not in existing skill with photosensitive point contact
Using meeting cause larger obstruction so that doctor is difficult to grasp traveller 51 during slip ring 5 slides caused by contact-making switch in art
The problem of making, and a conducting wire can be arbitrarily set in the present embodiment and penetrated into core bar 4, it is then wrapped in again on drag-line 2, with
Realize with being electrically connected between drag-line 2, and then realize the effect cut using high-frequency electrical.
As a kind of improved specific embodiment, if the digital display 43 includes driving circuit 431 and dry plate LED
Lamp piece 432, if dry plate LED pieces 432 line up the figure of eight in the side of core bar 4, the driving circuit 431 has several defeated
Enter end and several output ends, several described input terminals and several sensitivity specks, which correspond, to be coupled, several described outputs
It is coupled if holding and being corresponded with dry plate LED pieces 432, luminous signal is exported after the signal to receive sensitivity speck output to LED light
In piece 432, driving 432 luminescence display of LED pieces number is lined up the figure of eight by the way that multiple LED pieces 432 are arranged, that is, is used
LED pieces 432 form charactron structure, so pass through the driving effect of driving circuit 431, can effectively receive sensitivity speck
Then the signal of output is output signals in the multiple LED pieces 432 for lining up charactron structure, drive corresponding LED pieces
432 shine, and then show number, so effectively realize a reception sensitivity speck signal and then show number, directly
For the effect of doctor's observation.
As a kind of improved specific embodiment, the driving circuit 431 includes:
Driving chip U, driving chip U have quantity and the one-to-one input pin of sensitivity speck and quantity and LED light
The one-to-one output pin of piece 432, the input pin are coupled with sensitivity speck correspondingly, and the output pin one is a pair of
That answers couples with LED pieces 432, and wherein the driving chip U in the present embodiment uses model 74HC245 isopulse chip, such as
This is then the signal that sensitivity speck output is received by driving chip U, so during using the line snare of the present embodiment
Driving shines in the LED pieces 432 of charactron arrangement afterwards, such as the diameter that first sensitivity speck corresponds to lasso 1 is 8cm, thus
Traveller 51 be slid onto luminous point it is corresponding with the first sensitivity speck when, the sensitivity speck will export a pulse signal to drive
In dynamic chip U, and the sensitivity speck is connected to the input pin that driving chip U output pin all exports high level, therefore
It will all shine in the LED pieces 432 of the figure of eight, it is so whole to show 8 this number, therefore indicate at this time
1 diameter of lasso is 8cm, and so on, accordingly when luminous point corresponds to second sensitivity speck, third sensitivity speck,
LED pieces 432 will gradually show 7,6 etc., and when 1 diameter of lasso is as polyp, and the diameter of lasso 1 is just not
It can change, such LED pieces 432 will keep the number of display, such as 6, and such doctor can be intuitive by LED pieces 432
The lasso 1 recognized at this time diameter, thus compared with the prior art in using scale need calculate read by the way of, cure
The diameter of the raw more simple and quick lasso 1 learnt at this time.
As a kind of improved specific embodiment, the photosensitive item 42 is including power supply 421 in long strip and along electricity
If 421 length direction of source is arranged in the dry plate sensitive film 422 as sensitivity speck on power supply 421, if dry plate sensitive film 422 has
There are power input and signal output end, the power input is coupled with power supply 421, the signal output end and driving core
The input pin of piece U corresponds coupling, and the sensitive film 422 is the photosensitive element of negative coefficient, when luminous point and sensitive film 422
When opposite, sensitive film 422 power on driving chip U, to pass through power supply 421 in input high level signal to driving chip U
Setting, can effectively realize provide a mounting seat while, while can also be used as a high level signal hair
Source is penetrated, and the sensitive film 422 in the present embodiment is the sensitive film of negative coefficient, therefore when intensity of illumination is higher, electric conductivity
It is better, therefore when luminous point is without opposite sensitive film 422, sensitive film 422 is not received by light, thus electricity thereon
Resistance is very big, is the equal of open circuit, and in setting of the luminous point with respect to sensitive film 422, the resistance of sensitive film 422 strongly reduces, because
And the voltage on power supply 421 will be applied in driving chip U by sensitive film 422, realize one high level of input to driving
Effect in chip U, such driving chip U can carry out output signal according to the signal that its pin receives and drive LED pieces
432 shine, and then show corresponding number, and the power supply 421 of the strip in the present embodiment can use multiple battery packs
The mode of conjunction realizes, such as 8 batteries join end to end the power supply 421 in group cost implementation.
As a kind of improved specific embodiment, the traveller 51 offers luminous slot relative to one end of photosensitive item 42
511, the luminous slot 511 is interior to be equipped with LED light, which is fixedly connected with barn door 512, the barn door
512 center offers loophole, condenser is equipped in the loophole, the light of the LED light after condenser optically focused by passing through
Loophole is irradiated on sensitive film 422, by the setting of LED light, can effectively provide light source, and passes through the slot 511 that shines, screening
The setting of tabula rasa 512 and loophole thereon, in traveller 51 caused by can effectively avoiding the light source of LED light from excessively dispersing
There are no relative to sensitive film 422 in mobile process, and the problem of sensitive film 422 is experienced light source and is connected, wherein this reality
The condenser applied in example can be convex lens, and when luminous point is opposite with sensitivity speck, sensitive film 422 is exactly in the coke of convex lens
On the position of point.
As a kind of improved specific embodiment, for the luminous slot 511 in coniform, notch is described as bottom surface
LED light is fixed on the top of luminous slot 511, and the cell wall of the slot 511 that shines is coated with reflective layer, so can be by point of LED light
Scattered light is put together, and enhancing is finally irradiated to brightness on sensitive film 422, is avoided the occurrence of received on sensitive film 422
Intensity of illumination not high the problem of causing it to be not turned on.
As a kind of improved specific embodiment, corresponded on the position of sensitive film 422 on the power supply 421
Be equipped with magnetic posts, one end of the backward luminous slot 511 of the barn door 512 is fixedly connected with magnetic pole, when traveller 51 slides so that sending out
When luminous point is opposite with sensitivity speck, magnetic lives to attract each other with magnetic posts, and slip ring 5 is positioned, and passes through magnetic posts and magnetic pole
Setting, when being slid on the position opposite with sensitivity speck in traveller 51, utilizes attracting each other for traveller for the two
51 effects positioned, simultaneously because being to use magnetic connection, therefore can not have to contact also can be effective between the two
Play the role of positioning.
In conclusion the line snare of the present embodiment can be realized effectively by the setting of photosensitive item 42 and traveller 51
Using the principle of light sensation, the diameter of snare 1 is reflected, and then is shown by digital display 43, thus compared to existing
Have in technology by the way of scale, doctor does not just need calculate to have read, and enables the surgeon to more preferably get information about
To the diameter of snare 1.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of line snare, including covering in core bar for snare (1), drag-line (2), protecting pipe (3), core bar (4) and slip
(4) one end of the slip ring (5) on, the protecting pipe (3) is fixedly connected with core bar (4), and the protecting pipe (3) is backwards to core bar (4)
One end be equipped with pipe sheath (6), one end of the drag-line (2) is fixedly connected with snare (1), and the other end is across pipe sheath (6) and sheath
Core bar (4) are extend into after pipe (3), is then fixedly connected again with slip ring (5), snare (1) is pulled with the sliding with slip ring (5)
It is retracted into pipe sheath (6) or is stretched out out of pipe sheath (6), it is characterised in that: the core bar (4) is in hollow setting, the core bar (4)
Side offer slide opening in long strip (41), be fixedly connected with traveller (51), the traveller on the inner wall of the slip ring (5)
(51) it is penetrated into core bar (4) by slide opening (41), the drag-line (2) extend into one end of core bar (4) and the side of traveller (51)
Face is fixedly connected, and the photosensitive item (42) extended along core bar (4) length direction, the photosensitive item (42) are equipped in the core bar (4)
On be placed with several sensitivity specks along its length, the traveller (51) is equipped with relative to one end of photosensitive item (42) and shines
Point, when slip ring (5) is when core bar (4) slide, luminous point streaks several sensitivity specks one by one, on the lateral wall of the core bar (4)
Digital display (43) are fixedly connected with, the sensitivity speck on the digital display (43) and photosensitive item (42) couples, and inside has
With the one-to-one numerical value of sensitivity speck, when traveller (51) slide onto luminous point and one of sensitivity speck to it is corresponding when sensitivity speck it is defeated
Out (43) in signal to digital display, digital display (43) shows numerical value corresponding with the sensitivity speck.
2. line snare according to claim 1, it is characterised in that: the digital display (43) includes driving circuit
(431) and if dry plate LED pieces (432), if dry plate LED pieces (432) line up the figure of eight, the drive in the side of core bar (4)
Dynamic circuit (431) have several input terminals and several output ends, several described input terminals and several sensitivity specks are one by one
Corresponding coupling couples if several described output ends and dry plate LED pieces (432) correspond, to receive sensitivity speck output
It is exported in luminous signal to LED pieces (432) after signal, driving LED pieces (432) luminescence display number.
3. line snare according to claim 2, it is characterised in that: the driving circuit (431) includes: driving chip U,
Driving chip U has quantity and the one-to-one input pin of sensitivity speck and quantity and LED pieces (432) one-to-one defeated
Pin out, the input pin are coupled with sensitivity speck correspondingly, and the output pin is correspondingly and LED pieces
(432) it couples.
4. line snare according to claim 3, it is characterised in that: the photosensitive item (42) includes power supply in long strip
(421) and along power supply (421) length direction be arranged in power supply (421) if on the dry plate sensitive film (422) as sensitivity speck,
If dry plate sensitive film (422) all has power input and signal output end, the power input with power supply (421) coupling
It connects, the input pin of the signal output end and driving chip U, which correspond, to be coupled, and the sensitive film (422) is negative coefficient
Photosensitive element, when luminous point and sensitive film (422) it is opposite when, sensitive film (422) power on driving chip U, to input height
In level signal to driving chip U.
5. line snare according to claim 4, it is characterised in that: the traveller (51) relative to photosensitive item (42) one
End offers luminous slot (511), and LED light is equipped in the luminous slot (511), which is fixedly connected with
The center of barn door (512), the barn door (512) offers loophole, and condenser, the LED light are equipped in the loophole
Light by after condenser optically focused pass through loophole be irradiated on sensitive film (422).
6. line snare according to claim 5, it is characterised in that: the luminous slot (511) is in coniform, notch work
For bottom surface, the LED light is fixed on the top of luminous slot (511), which is coated with reflective layer.
7. line snare according to claim 6, it is characterised in that: close to sensitive film (422) on the power supply (421)
Magnetic posts are equipped on position correspondingly, one end of the backward luminous slot of the barn door (512) (511) is fixedly connected with magnetic pole,
When traveller (51) slide so that luminous point is opposite with sensitivity speck, magnetic lives to attract each other with magnetic posts, and slip ring (5) is determined
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800316.7A CN108938078B (en) | 2018-07-19 | 2018-07-19 | Wire snare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800316.7A CN108938078B (en) | 2018-07-19 | 2018-07-19 | Wire snare |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108938078A true CN108938078A (en) | 2018-12-07 |
| CN108938078B CN108938078B (en) | 2020-04-10 |
Family
ID=64497963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810800316.7A Active CN108938078B (en) | 2018-07-19 | 2018-07-19 | Wire snare |
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| Country | Link |
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| CN (1) | CN108938078B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811814A (en) * | 2019-10-31 | 2020-02-21 | 上海澳华光电内窥镜有限公司 | Integrated multifunctional medical electric snare |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208171A (en) * | 1997-08-08 | 1999-02-17 | 致伸实业股份有限公司 | Linear grating system |
| US6423060B1 (en) * | 1999-01-07 | 2002-07-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | High-frequency instrument for endoscope |
| US20040059352A1 (en) * | 2000-11-16 | 2004-03-25 | Vascular Control Systems, Inc. | Doppler directed suture ligation device and method |
| CN2823973Y (en) * | 2005-07-20 | 2006-10-04 | 薛志强 | Digital display photoelectric flexible rule |
| WO2009099960A1 (en) * | 2008-01-31 | 2009-08-13 | Tyco Healthcare Group, Lp | Polyp removal device and method of use |
| CN201290721Y (en) * | 2008-11-27 | 2009-08-19 | 南京医科大学附属南京第一医院 | Medical electric snare |
| CN201384561Y (en) * | 2009-04-02 | 2010-01-20 | 张福群 | Operating handle of high-frequency electric snare |
| US20120316463A1 (en) * | 2007-07-16 | 2012-12-13 | Dune Medical Devices Ltd. | Medical device and method for use in tissue characterization and treatment |
| CN104622566A (en) * | 2015-01-23 | 2015-05-20 | 诸暨市鹏天医疗器械有限公司 | Electric snare allowing water injection |
| CN204655097U (en) * | 2015-04-14 | 2015-09-23 | 常州市久虹医疗器械有限公司 | A kind of Medical electric snare |
| CN105395250A (en) * | 2015-12-11 | 2016-03-16 | 常州市久虹医疗器械有限公司 | Medical snare |
| CN205107884U (en) * | 2015-11-04 | 2016-03-30 | 山东华博电气有限公司 | Soft electrode of dual -purpose snare type |
-
2018
- 2018-07-19 CN CN201810800316.7A patent/CN108938078B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208171A (en) * | 1997-08-08 | 1999-02-17 | 致伸实业股份有限公司 | Linear grating system |
| US6423060B1 (en) * | 1999-01-07 | 2002-07-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | High-frequency instrument for endoscope |
| US20040059352A1 (en) * | 2000-11-16 | 2004-03-25 | Vascular Control Systems, Inc. | Doppler directed suture ligation device and method |
| CN2823973Y (en) * | 2005-07-20 | 2006-10-04 | 薛志强 | Digital display photoelectric flexible rule |
| US20120316463A1 (en) * | 2007-07-16 | 2012-12-13 | Dune Medical Devices Ltd. | Medical device and method for use in tissue characterization and treatment |
| WO2009099960A1 (en) * | 2008-01-31 | 2009-08-13 | Tyco Healthcare Group, Lp | Polyp removal device and method of use |
| CN201290721Y (en) * | 2008-11-27 | 2009-08-19 | 南京医科大学附属南京第一医院 | Medical electric snare |
| CN201384561Y (en) * | 2009-04-02 | 2010-01-20 | 张福群 | Operating handle of high-frequency electric snare |
| CN104622566A (en) * | 2015-01-23 | 2015-05-20 | 诸暨市鹏天医疗器械有限公司 | Electric snare allowing water injection |
| CN204655097U (en) * | 2015-04-14 | 2015-09-23 | 常州市久虹医疗器械有限公司 | A kind of Medical electric snare |
| CN205107884U (en) * | 2015-11-04 | 2016-03-30 | 山东华博电气有限公司 | Soft electrode of dual -purpose snare type |
| CN105395250A (en) * | 2015-12-11 | 2016-03-16 | 常州市久虹医疗器械有限公司 | Medical snare |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811814A (en) * | 2019-10-31 | 2020-02-21 | 上海澳华光电内窥镜有限公司 | Integrated multifunctional medical electric snare |
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| CN108938078B (en) | 2020-04-10 |
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