CN106955142A - Gastrointestinal Endoscopes lasso device with a scale - Google Patents
Gastrointestinal Endoscopes lasso device with a scale Download PDFInfo
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- CN106955142A CN106955142A CN201710279818.5A CN201710279818A CN106955142A CN 106955142 A CN106955142 A CN 106955142A CN 201710279818 A CN201710279818 A CN 201710279818A CN 106955142 A CN106955142 A CN 106955142A
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- lasso
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32056—Surgical snare instruments
Abstract
The invention discloses a kind of Gastrointestinal Endoscopes lasso device with a scale, its drip irrigation device is to include lasso operating portion and lasso insertion rod, and lasso operating portion includes core bar and the slip ring being sleeved on core bar, and line slip is entered in the axial direction that slip ring can be with respect to core bar on core bar；Lasso insertion rod is set into hollow structure, and one end is fixedly connected with core bar, and lasso rope is plugged with lasso insertion rod, and lasso rope is provided with set ring through one end of lasso insertion rod, and the other end is connected with slip ring；Set ring includes the lasso C portions of C fonts and the lasso I portions of I fonts, lasso C portions and lasso I portions ending are connected to the setting of D character form structures, the length marking is provided with lasso I portions, the length marking is laid since one end away from lasso rope in lasso I portions and extended to the other end.The lasso device can fast and accurately measure the size of sessile polyp and adenoma, make operation more directly perceived, and then accelerate the progress operated under mirror, shorten the painful time of patient.
Description
Technical field
The present invention relates to curable product technical field, more specifically, it relates to a kind of Gastrointestinal Endoscopes lasso device with a scale.
Background technology
Polyp means a kind of neoplasm that mucous membrane face is protruded, without let it be size, form and its histological type.Polyp
Including Hypertrophic, inflammatory, hamartoma, adenoma and other benign tumours etc..The connected mode of polyp and intestinal wall, position, scope,
Single-shot or multiple, size, form and color etc. are all to judging its property, whetheing there is canceration tendency and treating relevant.
Wherein adenomatous polyp is most common gastrointestinal polyps, including tubular adenoma, villous adenoma and tubular pile
Three kinds of shape adenoma.Tubular adenoma is the most common one kind of gastrointestinal polyps, accounts for 80%, is made up of the mucous membrane galandular epithelium of hyperplasia.
Multiple or single, surface is in nodositas, has the base of a fruit mostly, typically not over 2cm, color is dark red, easy bleeding.It is the gland of hyperplasia under mirror
Body tissue, galandular epithelium queueing discipline, breaks up, predominantly tubular structure fine hair composition ＜ 20%.Villous adenoma is also known as nipple
Shape adenoma, more rare, its visible superficial epithelium is in mamillary or villous hyperplasia, protuberance, fine hair composition ＞ 80% under mirror.Chang Wei
Single-shot, substrate is wide, typically without the base of a fruit.Fuzzy surface has columnar epithelium layer to be coated to, and there is a small amount of interstitial centre, includes more blood vessel, pole
Easy bleeding.Sometimes mucus containing volume in columnar epithelium.Such a epithelial cell can have different degrees of atypia, and canceration rate is very high.
Tubulovillous adenoma has the two performance concurrently, and fine hair composition is between 20%-80%.Canceration rate is higher.Multiple sexual gland
Knurl is apt to occur in colon, but also sees the whole alimentary canal such as stomach, small intestine.It is common with young man, easy canceration.
At present, polypectomy operation mainly uses endoscope engagement boot device to carry out, and the operation adapts to all size
Pedunculated polyp and adenoma, and diameter are less than 2cm sessile polyp and adenoma, and find sessile polyp with diameter greater than 2cm and
, should row Endoscopic submucosal dissection ESD during adenoma.Therefore, judgement of the doctor to sessile polyp and adenoma size is extremely important, mesh
Preceding lasso device can not be measured to the size of sessile polyp and adenoma, it is necessary to which doctor is by the nothing under scope repeatedly peephole
Base of a fruit polyp and adenoma, with its size of micro-judgment, such operation limits the operation possibility of operating personnel, extends operation
Time, risk is improved, and pain is added to patient.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of Gastrointestinal Endoscopes lasso device with a scale,
The lasso device can fast and accurately measure the size of sessile polyp and adenoma, make operation more directly perceived, and then accelerate mirror
The progress of lower operation, shortens the painful time of patient.
To achieve the above object, the invention provides following technical scheme：A kind of Gastrointestinal Endoscopes lasso device with a scale, including
There are lasso operating portion and lasso insertion rod, the lasso operating portion includes core bar and the slip ring being sleeved on core bar, the cunning
Ring can be with respect to core bar on core bar axial direction enter line slip；The lasso insertion rod is set into hollow structure, and one end and core
Bar is fixedly connected, and lasso rope is plugged with the lasso insertion rod, and the lasso rope is provided with through one end of lasso insertion rod
Ring is covered, the other end is connected with slip ring；Slip ring from the tail end of core bar to in one end slipping that lasso insertion rod is connected, it is sliding
Ring promotes the lasso rope set ring of its end is stretched out from lasso insertion rod, conversely, slip ring, which draws lasso rope, makes it
The set ring of end can be collapsed into lasso insertion rod；The set ring includes the set in the lasso C portions and I fonts of C fonts
I portions are enclosed, the lasso C portions and lasso I portions ending, which are connected in the setting of D character form structures, the lasso I portions, is provided with length print
Note, the length marking is laid since one end away from lasso rope in lasso I portions and extended to the other end.
The present invention is further arranged to：The lasso I portions include hawser portion and cord portion, and the external diameter in the hawser portion is big
External diameter in cord portion, and hawser portion and cord portion join end to end, when the length in cord portion or hawser portion is measurement standard
During length, the cord portion or hawser portion are the length marking；When hawser portion and cord portion are provided with several, and successively between
Every when joining end to end, when a hawser portion and/or cord portion are a base unit of measurement standard, the hawser portion and
The overall length in cord portion is the length marking.
The present invention is further arranged to：Colored hierarchy is set in the lasso I portions, and color hierarchy includes
At least two colors, when the length of each color is a base unit of measurement standard, color hierarchy is the length marking；
When the length of one of color is the length of measurement standard, the color is the length marking.
The present invention is further arranged to：Scale is provided with the core bar, it is sliding when set ring is contracted in lasso insertion rod
The position of ring is no more than the zero graduation line of core bar high scale；Set ring from lasso insertion rod stretches out when, cover ring end stretching
Reading of the distance of lasso insertion boom end with slip ring in core bar high scale is consistent.
The present invention is further arranged to：Lasso rope in the lasso insertion rod is provided with two, and two lasso ropes are with covering
Ring joins end to end into the setting of n character form structures, and one end of two lasso ropes is fixedly connected with covering the two ends of ring respectively, two sets
The other end of circle rope is rotatably connected with slip ring；Two are provided with the slip ring to be respectively used to for turning that two lasso ropes are passed through
Cylinder is connect, lasso rope can be rotated in switching cylinder, one end of the lasso rope through switching cylinder is provided with driving lasso rope and turned
Move to drive the actuator that set ring is rotated.
The present invention is further arranged to：One end of two lasso ropes through switching cylinder is coaxially arranged with rotating bar, two
Rotating bar is rotationally connected with switching cylinder by being arranged with bearing, and the two ends of two rotating bars are provided with for limiting rotating bar
The limited block of axial float in switching cylinder；The actuator includes handwheel or motor, and by being arranged on one
Or in two rotating bars, lasso rope can be driven to rotate.
The present invention is further arranged to：Some push double wedges are laid with the circumferential side wall of the set ring, it is described to push away
Length direction of the double wedge along set ring is sent to be extended.
The present invention is further arranged to：The circumferential side wall that double wedge is pushed along set ring is rich to be set as spirality, and some
The gap that bar is pushed between double wedge is consistent.
The present invention is further arranged to：The set ring includes some endless cables, and all endless cables are towards consistent winding
Into one.
In summary, the invention has the advantages that：Ring is covered after the end stretching of lasso insertion rod, will be exposed
Lasso I portions close to polyp or adenoma, compared by the length marking in lasso I portions and polyp or adenoma, you can intuitively
Judge that the size of polyp or adenoma carries out resection operation if appropriate for using lasso device, make operation more directly perceived, and then accelerate
The progress operated under mirror, shortens the painful time of patient.
Brief description of the drawings
Fig. 1 is the structural representation of Gastrointestinal Endoscopes lasso device with a scale；
Fig. 2 is the partial structural diagram (the first embodiment of the length marking) at the set ring of lasso device；
Fig. 3 is the partial structural diagram (second of embodiment of the length marking) at the set ring of lasso device；
Fig. 4 for lasso device set ring at partial structural diagram (second of embodiment of the length marking it is another
Plant and implement structure)；
Fig. 5 is the partial structural diagram (the third embodiment of the length marking) at the set ring of lasso device；
Fig. 6 is the partial structural diagram (the 4th kind of embodiment of the length marking) at the set ring of lasso device；
Fig. 7 is the partial structural diagram at switching cylinder on slip ring；
Fig. 8 is a kind of structural representation of set ring；
Fig. 9 is another structural representation of set ring.
Reference：1st, lasso operating portion；11st, core bar；111st, scale；12nd, slip ring；121st, switching cylinder；2nd, lasso is inserted
Bar；3rd, lasso rope；31st, rotating bar；32nd, bearing；33rd, limited block；4th, ring is covered；41st, lasso C portions；42nd, lasso I portions；43rd, push away
Send double wedge；44th, endless cable；5th, the length marking；51st, hawser portion；52nd, cord portion；53rd, color hierarchy；6th, actuator.
Embodiment
With reference to the accompanying drawings and examples, the present invention is described in more detail.Wherein identical parts identical
Reference is represented.It should be noted that the word "front", "rear" used below in description,
"left", "right", "up" and "down" refer to the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer "
Refer respectively to towards or away from the direction of particular elements geometric center.
Shown in reference picture 1-9, a kind of Gastrointestinal Endoscopes lasso device with a scale includes lasso operating portion 1 and lasso insertion rod
2, lasso operating portion 1 includes core bar 11 and the slip ring 12 being sleeved on core bar 11, and slip ring 12 can be on core bar 11 with respect to core bar
Line slip is entered in 11 axial direction；Lasso insertion rod 2 is set into hollow structure, and one end is fixedly connected with core bar 11, lasso insertion
Lasso rope 3 is plugged with bar 2, lasso rope 3 is provided with set ring 4 through one end of lasso insertion rod 2, and the other end connects with slip ring 12
Connect；In use, by slip ring 12 from the tail end of core bar 11 to in one end slipping that lasso insertion rod 2 is connected, slip ring 12 is pushed away
Moving lasso rope 3 enables the set ring 4 of its end to be stretched out from lasso insertion rod 2, conversely, by slip ring 12 from core bar 11 to it
During tail end slides, slip ring 12, which draws lasso rope 3, enables the set ring 4 of its end to collapse into lasso insertion rod 2.
Set ring 4 includes the lasso C portions 41 of C fonts and the lasso I portions 42 of I fonts, lasso C portions 41 and lasso I portions 42
Ending is connected to the setting of D character form structures, is provided with the length marking 5 in lasso I portions 42, the length marking 5 from lasso I portions 42 away from
One end of lasso rope 3 starts to lay and to the other end extend., will after above-mentioned set ring 4 is stretched out from the end of lasso insertion rod 2
The lasso I portions 42 exposed are compared, i.e., close to polyp or adenoma by the length marking 5 in lasso I portions 42 and polyp or adenoma
Endoscopic accurate measurement can be achieved, consequently facilitating medical worker is quick, accurate, size that is intuitively judging polyp or adenoma
Resection operation is carried out if appropriate for using lasso device, makes operation more directly perceived, and then accelerates the progress operated under mirror, is shortened
The painful time of patient.
Further, since polyp volume of polyp after taking out outside human body can shrink, therefore the polyp body of in-vitro measurements
Product might not be accurate, and endoscopic measurement just can be realized by the length marking 5, is conducive to the size of polyp carrying out essence
Locating tab assembly, is easy to medical worker to assess the risk that polyp extracts treatment before excision polyp, and available according to polyp size
In assessing postoperative complications, assess polyp and send out risk again, beneficial to follow-up plan is formulated, improve patient compliance.
And during using lasso device progress resection operation, set ring 4 covers polyp after Le, by pulling slip ring 12
During grip ring 4 is collapsed into lasso insertion rod 2, lasso C portions 41 and lasso I portions 42 can collapse into lasso insertion simultaneously
In bar 2, because the length in lasso C portions 41 is more than the length in lasso I portions 42, therefore the set ring 4 for the polyp that fastens will be largely
Elongated lasso C portions 41, so as to not interfere with the excision effect of lasso device.
The above-mentioned length marking 5 can include numerous embodiments：
The first embodiment of the length marking 5：Lasso I portions 42 include hawser portion 51 and cord portion 52, hawser portion 51
External diameter be more than the external diameter in cord portion 52, while the external diameter difference in hawser portion 51 and cord portion 52 can be by visually judge；And
Hawser portion 51 and cord portion 52 join end to end, when the length in cord portion 52 or hawser portion 51 is the length of measurement standard, also
It is that, when the length in cord portion 52 or hawser portion 51 is 2cm, cord portion 52 or hawser portion 51 are just the length marking 5, the institute of reference picture 2
Show.The program can facilitate doctor to be compared polyp or adenoma with cord portion 52 or hawser portion 51, when polyp or adenoma
During with diameter greater than cord portion 52 or hawser portion 51, polyp or adenoma with diameter greater than 2cm, should row Endoscopic submucosal dissection ESD；
Otherwise polyp or the diameter of adenoma are less than 2cm, with regard to lasso device can be used to carry out polypectomy operation.
Second of embodiment of the length marking 5：Lasso I portions 42 equally include hawser portion 51 and cord portion 52, hawser
The external diameter in portion 51 is more than the external diameter in cord portion 52, while the external diameter difference in hawser portion 51 and cord portion 52 can be judged by naked eyes；
When hawser portion 51 and cord portion 52 are provided with several, and be spaced successively when joining end to end, a hawser portion 51 and/or
When cord portion 52 is a base unit of measurement standard, that is, when the length in a hawser portion 51 and a cord portion 52
When being 0.5cm, the overall length in two hawser portions 51 and two cord portions 52 is just a length marking 5, shown in reference picture 3.
The length that can also be first hawser portion 51 is 0.5cm, and the length in first cord portion 52 is 1cm, second
The length in hawser portion 51 is 1.5cm, and the length in second cord portion 52 is 2cm, and so each hawser portion 51 and cord portion 52 are equal
For a length marking 5, shown in reference picture 4.
The third embodiment of the length marking 5：Colored hierarchy 53, color layering knot are set in lasso I portions 42
Structure 53 includes at least two colors, when the length of each color is a base unit of measurement standard, color hierarchy
53 be the length marking 5.Namely when the length of each color is 1cm, the hierarchy that two colors are constituted can think length
Spend the marking 5；When the length of each color is 0.5cm, the hierarchy that four colors are constituted is exactly the length marking 5, reference picture 5
It is shown；And each color is required for difference or with distinctiveness.
4th kind of embodiment of the length marking 5：Colored hierarchy 53, color layering knot are set in lasso I portions 42
Structure 53 includes at least two colors, when the length of one of color is the length of measurement standard, and the color is the length marking
5.Namely when the length of one of color is 2cm, second color is applied to the two ends of the color, for indicating out length
For 2cm color, the color is the length marking 5；Or when there is three kinds of colors, the first color is 1.5cm, second of color is
0.5cm, the third color is applied to the two ends of adjacent the first and second of color, for indicate out that length is 2cm two kinds
Color, the first and second of color are the length marking 5, shown in reference picture 6.
Above-mentioned second to the 4th kind scheme can be measured to the size of polyp or adenoma, measure polyp or adenoma
Approximate size, and then be easy to doctor further to diagnose.
Scale 111 is provided with core bar 11, when set ring 4 is contracted in lasso insertion rod 2, the position of slip ring 12 is no more than
The line of zero graduation 111 of the high scale 111 of core bar 11；Set ring 4 from lasso insertion rod 2 stretches out when, cover ring 4 end stretching lasso
Reading of the distance of the end of insertion rod 2 with slip ring 12 in the high scale 111 of core bar 11 is consistent.When the length print in set ring 4
Note 5 is not easy to observed when understanding in enteric cavity, can also stretch out a certain distance by ring 4 is covered by the structure, pass through cunning
Ring 12 judges the size of the polyp that quilt cover ring 4 is entangled or adenoma in the reading of the high scale 111 of core bar 11, so as to calm
Various sizes of pathological tissues are tackled, procedure efficiency is improved.
Lasso rope 3 in lasso insertion rod 2 is provided with two, and two lasso ropes 3 join end to end into n fonts with set ring 4
Structure setting, one end of two lasso ropes 3 is fixedly connected with covering the two ends of ring 4 respectively, the other end and cunning of two lasso ropes 3
Ring 12 is rotatably connected；Two switching cylinders 121 for being respectively used to pass through for two lasso ropes 3, lasso rope 3 are provided with slip ring 12
It can be rotated in switching cylinder 121, one end of lasso rope 3 through switching cylinder 121 is provided with driving lasso rope 3 and rotates to drive
Cover the actuator 6 that ring 4 is rotated.In such scheme, actuator 6, which both can be set, one, can also be provided with two, work as driving
When part 6 is provided with one, the end of any one lasso rope 3 may be provided at, and actuator 6 is when being provided with two, can set respectively
Put in the end of two lasso ropes 3.In use, after set ring 4 entangles polyp or adenoma, order set ring 4 is contradicted in intestinal wall
On, now drive lasso rope 3 in switching cylinder 121 during rotation by controlling actuator 6, set ring 4 also can be therewith
Rotate, and the junction of polyp or adenoma in intestinal wall can be concentrated and pushed by the rotation for covering ring 4, be conducive to polyp or adenoma
Complete excision, is conducive to terminating polyp or adenoma canceration, it is to avoid the intermittent phase Colon and rectum caused by polypectomy is incomplete
Cancer.
One end of two lasso ropes 3 through switching cylinder 121 is coaxially arranged with rotating bar 31, and two rotating bars 31 pass through set
It is rotationally connected with provided with bearing 32 in switching cylinder 121；This is due to that lasso rope 3 is needed through lasso insertion rod 2, therefore make
It is relatively thin, and the rotating bar 31 set up can make lasso rope 3 steady in switching cylinder 121 can flexibly rotate, so as to be conducive to
Set ring 4, which effectively concentrates the junction of polyp or adenoma in intestinal wall, to be gathered.Additionally can be close in lasso insertion rod 2
Cylinder 121 of transferring is also equipped with one end inwall for covering ring 4, makes lasso rope 3 to drive set ring 4 in switching cylinder 121
It is smooth to rotate.
It is used to limit the axial float in switching cylinder 121 of rotating bar 31 by being provided with the two ends of two rotating bars 31
Limited block 33, make slip ring 12 during being slid on core bar 11 lasso rope 3 can be driven to move.And actuator 6 includes
Handwheel or motor, and by being arranged in one or two rotating bar 31, lasso rope 3 can be driven to rotate.Actuator 6
Both manual rotation's operation can be carried out by setting handwheel, can also be carried out by setting motor.
Some push double wedges 43 are laid with the circumferential side wall for covering ring 4, length side of the double wedge 43 along set ring 4 is pushed
To being extended, it is that structure setting on the outer circumferential wall of set ring 4, adds set ring 4 into strips to push double wedge 43
Frictional force when rotating the polyp or the adenoma that push in intestinal wall, is conducive to the excision completely by polyp or adenoma.
Further, double wedge 43 will be pushed and be set as spirality, and some push double wedges along the circumferential side wall for covering ring 4 is rich
Gap between 43 is consistent, and order set ring 4 further increases the connection to polyp or adenoma in intestinal wall when rotating
Place concentrates what is pushed to gather effect, and then is more beneficial for the excision by polyp or adenoma completely.
Set ring 4 includes some endless cables 44, and all endless cables 44 are wound in one towards consistent.It is wound into one
Some endless cables 44, due to leaving certain gap between each bar endless cable 44, can allow the tighter of each 44 turns of bar endless cable, and in set
Circle rope 3 drives set ring 4 during rotation, will can entirely cover ring 4 and turn tighter and tighter, is conducive to set ring 4 by polyp
Or junction of the adenoma in intestinal wall is concentrated and pushed.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of Gastrointestinal Endoscopes lasso device with a scale, includes lasso operating portion (1) and lasso insertion rod (2), the set ring gymnastics
Make the slip ring (12) that portion (1) includes core bar (11) and is sleeved on core bar (11), the slip ring (12) can be on core bar (11)
Line slip is entered in axial direction with respect to core bar (11)；The lasso insertion rod (2) is set into hollow structure, and one end and core bar (11)
It is fixedly connected, lasso rope (3) is plugged with the lasso insertion rod (2), the lasso rope (3) passes through lasso insertion rod (2)
One end is provided with set ring (4), and the other end is connected with slip ring (12)；The tail end of slip ring (12) from core bar (11) is inserted to lasso
In one end slipping of bar (2) connection, slip ring (12) promotes the lasso rope (3) to make the set ring (4) of its end can be from set
Enclose insertion rod (2) to stretch out, the set ring (4) of its end is collapsed into lasso conversely, slip ring (12) draws lasso rope (3)
In insertion rod (2)；It is characterized in that：The set ring (4) includes the lasso I portions in the lasso C portions (41) and I fonts of C fonts
(42), the lasso C portions (41) and lasso I portions (42) ending are connected on the setting of D character form structures, the lasso I portions (42) and set
Be equipped with the length marking (5), the length marking (5) laid since one end away from lasso rope (3) in lasso I portions (42) and
Extend to the other end.
2. Gastrointestinal Endoscopes lasso device with a scale according to claim 1, it is characterized in that：The lasso I portions (42) include
Hawser portion (51) and cord portion (52), the external diameter of the hawser portion (51) are more than the external diameter of cord portion (52), and hawser portion
(51) joined end to end with cord portion (52), when the length of cord portion (52) or hawser portion (51) is the length of measurement standard, institute
It is the length marking (5) to state cord portion (52) or hawser portion (51)；
When hawser portion (51) and cord portion (52) are provided with several, and be spaced successively when joining end to end, a hawser
When portion (51) and/or cord portion (52) are a base unit of measurement standard, the hawser portion (51) and cord portion (52)
Overall length be the length marking (5).
3. Gastrointestinal Endoscopes lasso device with a scale according to claim 1, it is characterized in that：Set on the lasso I portions (42)
Colored hierarchy (53), color hierarchy (53) includes at least two colors, and the length of each color is marked for measurement
During one base unit of standard, color hierarchy (53) is the length marking (5)；The length of one of color is measurement standard
Length when, the color be the length marking (5).
4. the Gastrointestinal Endoscopes lasso device with a scale according to Claims 2 or 3, it is characterized in that：Set on the core bar (11)
Have a scale (111), set ring (4) be contracted in lasso insertion rod (2) it is interior when, the position of slip ring (12) is carved no more than on core bar (11)
Spend zero graduation (111) line of (111)；Set ring (4) from lasso insertion rod (2) stretches out when, set ring (4) end stretching lasso
Reading of the distance of insertion rod (2) end with slip ring (12) in core bar (11) high scale (111) is consistent.
5. Gastrointestinal Endoscopes lasso device with a scale according to claim 4, it is characterized in that：In the lasso insertion rod (2)
Lasso rope (3) is provided with two, and two lasso ropes (3) join end to end into the setting of n character form structures, two lassos with set ring (4)
Two ends of the one end of rope (3) respectively with set ring (4) are fixedly connected, and the other end and the slip ring (12) of two lasso ropes (3) can turn
Dynamic connection；Two switching cylinders (121) for being respectively used to pass through for two lasso ropes (3), lasso are provided with the slip ring (12)
Rope (3) can be rotated in switching cylinder (121), and the lasso rope (3) be provided with actuating sleeve through the one end for cylinder (121) of transferring
Circle rope (3) rotates to drive the actuator (6) that set ring (4) is rotated.
6. Gastrointestinal Endoscopes lasso device with a scale according to claim 5, it is characterized in that：Two lasso ropes (3) pass through switching
One end of cylinder (121) is coaxially arranged with rotating bar (31), and two rotating bars (31) rotate connection by being arranged with bearing (32)
In in switching cylinder (121), the two ends of two rotating bars (31) are provided with for limiting rotating bar (31) in switching cylinder (121)
The limited block (33) of axial float；The actuator (6) includes handwheel or motor, and by being arranged on one or two
On individual rotating bar (31), lasso rope (3) can be driven to rotate.
7. Gastrointestinal Endoscopes lasso device with a scale according to claim 6, it is characterized in that：The peripheral side of the set ring (4)
Some are laid with wall and pushes double wedge (43), the length direction for pushing double wedge (43) along set ring (4) is extended.
8. Gastrointestinal Endoscopes lasso device with a scale according to claim 7, it is characterized in that：The double wedge (43) that pushes is along lasso
The circumferential side wall of ring (4) is rich to be set as spirality, and some gaps pushed between double wedge (43) are consistent.
9. Gastrointestinal Endoscopes lasso device with a scale according to claim 6, it is characterized in that：The set ring (4) is if include
Dry bar endless cable (44), all endless cables (44) are wound in one towards consistent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710279818.5A CN106955142B (en) | 2017-04-25 | 2017-04-25 | Gastrointestinal endoscope loop device with scales |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279818.5A CN106955142B (en) | 2017-04-25 | 2017-04-25 | Gastrointestinal endoscope loop device with scales |
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| CN106955142B CN106955142B (en) | 2019-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009489A (en) * | 2018-08-01 | 2018-12-18 | 华中科技大学同济医学院附属协和医院 | A kind of auxiliary extracts myxomatous fixed device and fixing means |
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| CN109009489B (en) * | 2018-08-01 | 2023-09-22 | 华中科技大学同济医学院附属协和医院 | Fixing device and fixing method for assisting in removing myxoma |
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