CN206007355U - Endoscope-use scalpel - Google Patents
Endoscope-use scalpel Download PDFInfo
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- CN206007355U CN206007355U CN201620297842.2U CN201620297842U CN206007355U CN 206007355 U CN206007355 U CN 206007355U CN 201620297842 U CN201620297842 U CN 201620297842U CN 206007355 U CN206007355 U CN 206007355U
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- endoscope
- scalpel
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Abstract
This utility model is related to be easy to perform a surgical operation, and improves the endoscope-use scalpel of the jet length, jet velocity and rectilinear movement ability of fluid.This utility model provides following endoscope-use scalpel, and endoscope-use scalpel of the present utility model includes that handle portion, handle sliding part, metal wire, electrode portion, fluid injection unit and inner tube, above-mentioned endoscope-use scalpel are characterised by, including：Scalpel portion, is connected with the end of above-mentioned metal wire, and above-mentioned scalpel portion can be integrally moved with above-mentioned metal wire；Stop section, is inserted in the terminal part of above-mentioned inner tube, is formed with through hole and guide portion in above-mentioned stop section, and above-mentioned through hole is used for making the insertion of above-mentioned scalpel portion, guide sections be used for guiding fluid to above-mentioned through hole；And head, combine with the end of above-mentioned inner tube, the fluid injection orifice opposite with above-mentioned through hole is formed with above-mentioned head.
Description
Technical field
This utility model is related to endoscope-use scalpel, in more detail, is related to be easy to perform a surgical operation, and improves the injection of fluid
The endoscope-use scalpel of distance, jet velocity and rectilinear movement ability.
Background technology
In recent years, extensively implement endoscope's mucosectomy, this so-called endoscope's mucosectomy to esophagus or stomach,
Pernicious and positive diseased region in the mucosa of the organism body cavity such as small intestinal, large intestine does not implement abdominal, but is peeped using interior
Mirror inserts a kind of high frequency knife as electric lancet etc. to cut off lesion.
Conventional endoscope-use high-frequency knife has elongated insertion section and the operating portion for operating above-mentioned insertion section, insertion
Portion is inserted in through the channel interior of endoscope in vivo.Insertion section has flexible pipe and the side can move to the direction of principal axis of flexible pipe
Formula is inserted in the operation metal wire inside flexible pipe, and the direction of principal axis for arranging oriented flexible pipe in the leading section of operation metal wire extends
Scalpel portion.Operating portion is connected with the base end part of above-mentioned insertion section, and operating portion can be by being arranged at the one of aforesaid operations portion
The operating handle at end makes aforesaid operations metal wire axially move.High frequency electric is circulated to above-mentioned by aforesaid operations metal wire
Scalpel portion.
When performing a surgical operation by high frequency knife, can be by operating to operating handle, so that aforesaid operations metal wire
And the prominent position to outside flexible pipe is moved to the scalpel portion that is connected of operation metal wire from inside flexible pipe.As this
Sample, needing the position performed a surgical operation high frequency electric is flowed to prominent scalpel portion outside flexible pipe, so as to can to operation
The bio-tissue that knife portion contacts carries out burning and irons and cut.
Also, the base end part in above-mentioned insertion section is provided with for transferring the liquor charging unit of water etc..This liquor charging list is set
The purpose of unit is, when bio-tissue is cut, if incision site is bled profusely, causes petechia indefinite, and cause
It is difficult to hemostasis to dispose, thus, by cleaning bleeding part come clear and definite petechia, or the step of lesion part cutting
In, by gap saline injection for being cut open etc., so as to both prevent the tissue being cut open from adhering to again, can be easily separated again by
The tissue of incision.Fluid is transferred to the front of flexible pipe, and the past inside the pipe from liquor charging unit via above-mentioned flexible pipe
The peristome at end is to outside discharge.Under normal circumstances, 4～5 front end openings are formed with the front of above-mentioned flexible pipe
Jet fluid.
In the case, the tissue in order to effectively clean bleeding part or be separately cut open, it is preferable that needing can be exactly
To desired location jet fluid, and jet length is long.
But, according to conventional high frequency knife, as shown in fig. 7, due to the fluid of the front injection from flexible pipe cannot shape
Into high injection pressure, thus there is a problem of fluid jet length short, jet velocity is slow, injection dynamics is poor.
If also, the front opening of flexible pipe is big, the support to scalpel portion can be caused unstable, thus be there is a possibility that
Scalpel portion produces when performing a surgical operation and rocks.
Utility model content
This utility model is used for solving problem as above, and the purpose of this utility model is, there is provided be easy to implement handss
Art, improves the endoscope-use scalpel of the jet length, jet velocity and rectilinear movement ability of fluid.
Following endoscope-use scalpel is provided for this utility model for solving the above problems, of the present utility model interior peep
Mirror is included with scalpel：Handle portion, with hollow bulb, is formed with the side of above-mentioned handle portion and is connected with above-mentioned hollow bulb
Peristome；Handle sliding part, by can along the length direction of above-mentioned handle portion forwards or in the way of rear slide with above-mentioned
The outer peripheral face of hand combines；Metal wire, is configured at the hollow bulb of above-mentioned handle portion, and above-mentioned metal wire is with can be with above-mentioned rubber sleeve
The mode that dynamic portion integrally moves is connected with above-mentioned handle sliding part；Electrode portion, leads to from the side of above-mentioned handle sliding part
The peristome for crossing above-mentioned handle portion is connected with above-mentioned metal wire；Fluid injection unit, is combined with one end of above-mentioned handle portion, is used
In the inside injection fluid to inner tube；And inner tube, prolonged from above-mentioned fluid injection unit in the way of the above-mentioned fluid injection unit of insertion
Stretch, above-mentioned endoscope-use scalpel is characterised by, including：Scalpel portion, is connected with the end of above-mentioned metal wire, above-mentioned handss
Can integrally move with above-mentioned metal wire in art knife portion；Stop section, is inserted in the terminal part of above-mentioned inner tube, in above-mentioned stop section shape
It is used for making the insertion of above-mentioned scalpel portion, guide sections be used for above-mentioned insertion into having through hole and guide portion, above-mentioned through hole
Hole guides fluid；And head, combine with the end of above-mentioned inner tube, be formed with above-mentioned head opposite with above-mentioned through hole
Fluid injection orifice.
And this utility model also include perform the operation point of a knife, above-mentioned operation point of a knife above-mentioned scalpel portion end to radius side
Form to prominent, above-mentioned scalpel portion can be connected along taper surface with above-mentioned operation point of a knife.
Also, this utility model also includes managing, above-mentioned pipe is formed in the way of the above-mentioned metal wire for surrounding specific length, on
State electrode portion to be connected with above-mentioned metal wire by above-mentioned pipe.
Multiple grooves can be formed in above-mentioned handle sliding part.
Closed-loop can be inserted between the handle portion side terminal part of above-mentioned inner tube and above-mentioned metal wire.
The outer peripheral face of above-mentioned stop section can be twist.
Guide sections may include multiple protruding portion, above-mentioned multiple protruding portion along above-mentioned stop section length direction upper
One end protrusion for stating stop section is formed.
Of the present utility model be characterised by, above-mentioned multiple protruding portion is configured with radial.
Of the present utility model be characterised by, above-mentioned multiple protruding portion is configured with " ten " word shape.
Also, this utility model also includes adapter, above-mentioned adapter is with while surround above-mentioned metal wire with above-mentioned operation
Between knife portion, the mode of each opposite terminal part is formed to radial direction is prominent.
Of the present utility model be characterised by, above-mentioned inner tube a part apply colored ink.
Of the present utility model be characterised by, by above-mentioned fluid injection unit inject fluid pass through by above-mentioned adapter with
Multiple gaps that above-mentioned multiple protruding portion between above-mentioned stop section is formed are directed to through hole.
According to endoscope-use scalpel of the present utility model, endoscope-use scalpel of the present utility model includes：Stop section,
The terminal part of inner tube being inserted in, through hole and guide portion being formed with above-mentioned stop section, above-mentioned through hole is used for making above-mentioned operation
The insertion of knife portion, guide sections are used for guiding fluid to above-mentioned through hole；And head, combine with the end of above-mentioned inner tube,
The fluid injection orifice opposite with above-mentioned through hole is formed with above-mentioned head.So as to high fluid pressure can be formed along guide portion.
Thus, the jet length of fluid is elongated, jet velocity accelerates, can be by sufficient injection dynamics to mesh so as to have
The effect of mark position jet fluid.
Also, this utility model is additionally included in prominent to the radial direction scalpel in end in above-mentioned scalpel portion
Point, above-mentioned scalpel portion are connected along taper surface with above-mentioned operation point of a knife, so that fluid is along above-mentioned scalpel portion and cone
Shape face is sprayed, and improves the rectilinear movement ability of fluid, with can exactly to the effect of desired location jet fluid.
Therefore, bleeding part, the tissue that separation is cut open so that the tissue being cut open cannot be again attached effectively can be cleaned
?.
Also, multiple grooves are formed in above-mentioned handle sliding part, so as to be easy to keeping endoscope-use handss after performing a surgical operation
Art knife.
Also, the outer peripheral face of above-mentioned stop section is twist, thus in inner peripheral surface and the periphery of stop section of above-mentioned inner tube
Frictional force is formed between face, so as to stop section can be made to be tightly fastened the inside in inner tube.
Also, guide sections include multiple protruding portion, length direction of the above-mentioned multiple protruding portion along above-mentioned stop section
Project in one end of above-mentioned stop section and form, and above-mentioned multiple protruding portion is configured with radial, so as to can effectively to
Through hole guides fluid.
Also, colored ink is applied in a part for above-mentioned inner tube, thus be easy to the position of grasp inner tube, so as to have easily
In the effect that performs a surgical operation.
Description of the drawings
Fig. 1 is the side view of the endoscope-use scalpel for representing one embodiment of this utility model.
Phantoms of the Fig. 2 for Fig. 1.
Amplification views of the Fig. 3 for the part A of Fig. 2.
Fig. 4 is the amplification stereogram of the part B of the Fig. 3 in addition to inner tube.
Fig. 5 is the structure chart for representing the stop section in Fig. 4 and head.
Fig. 6 is the axonometric chart of the keeping state for representing the endoscope-use scalpel in the Fig. 1 after performing a surgical operation.
Fig. 7 is the lab diagram of the nozzle-fluid velocity of the endoscope-use scalpel for representing conventional.
Fig. 8 is the lab diagram of the nozzle-fluid velocity for representing the endoscope-use scalpel in Fig. 1.
The explanation of reference
1：Endoscope-use scalpel 100：Handle portion
102：Peristome 110：Becket
120：Handle sliding part 122：Multiple grooves
140：Electrode portion 200：Metal wire
220：Pipe 230：Adapter
240：Scalpel portion 260：Operation point of a knife
300：Fluid injection unit 310：First injection unit
320：Second injection unit 322：Ascending pipe
340：Outer tube 400：Inner tube
402：Closed-loop 420：Stop section
422：Through hole 424：Multiple protruding portion
440：Head 442：Fluid injection orifice
Specific embodiment
Hereinafter, the preferred embodiment with reference to appended Fig. 1 to Fig. 6 and Fig. 8, to endoscope-use scalpel of the present utility model
Illustrate.
Also, can be according to using people in the term described later that the function in this utility model is taken into account and defined
Member, the intention of operator or convention and change, following examples do not limit interest field of the present utility model, and only
Belong to the exemplary item of suggested structural element in the claimed scope of utility model of the present utility model.
Fig. 1 is the side view of the endoscope-use scalpel for representing one embodiment of this utility model, and Fig. 2 is that the part of Fig. 1 is cutd open
View, amplification views of the Fig. 3 for the part A of Fig. 2, Fig. 4 is the amplification stereogram of the part B of the Fig. 3 in addition to inner tube, figure
5 is the structure chart for representing the stop section in Fig. 4 and head, and Fig. 6 is to represent the endoscope-use in the Fig. 1 after performing a surgical operation
The axonometric chart of the keeping state of scalpel, Fig. 8 are the experiment of the nozzle-fluid velocity for representing the endoscope-use scalpel in Fig. 1
Figure.
First, with reference to Fig. 1 and Fig. 2, the structure of the endoscope-use scalpel of one embodiment of this utility model is illustrated.
As reference, below during illustrating to endoscope-use scalpel of the present utility model, in body
The direction residing for operating portion for being operated outward is defined as rear, is connected and is inserted in internal insertion section with aforesaid operations portion
Residing direction is defined as front to illustrate.
Endoscope-use scalpel of the present utility model is used for be marked diseased region and cut by being inserted in
Remove, endoscope-use scalpel of the present utility model can be used for Endoscopic submucosal dissection (ESD) or for remove occur esophagus,
The early gastric cancer of gastrointestinal, large intestine etc. or adenoma etc..
The endoscope-use scalpel 1 of one embodiment of this utility model generallys include insertion section and operating portion, above-mentioned insertion section
It is inserted in vivo, aforesaid operations portion is combined with insertion section, above-mentioned insertion section is used for operating above-mentioned insertion section.First,
The structure of operating portion is illustrated.
Handle portion 100 is used for the axle for forming operating portion, and above-mentioned handle portion 100 is in the cylinder shape internally with hollow bulb
Shape, is formed with the peristome 102 being connected with above-mentioned hollow bulb in the side of above-mentioned handle portion 100.Above-mentioned handle portion 100 is cutd open
Face can any shape such as rounded, tetragon, but in an embodiment of the present utility model, above-mentioned handle portion 100 is cutd open
Face is triangular in shape, and a face in three faces of triangle is formed with peristome 102 along the length direction of handle portion 100.
Above-mentioned handle portion 100 end formed becket 110, above-mentioned becket 110 can be circular rings, tetracyclic ring, Huo Zheru
Any one shape such as tetracyclic ring being flattened with a corner of an embodiment of the present utility model.By in above-mentioned handle
Ring 110 inserts thumb to operate endoscope-use scalpel 1, so as to be easy to operate endoscope-use scalpel 1.
Handle sliding part 120 by can along the length direction of handle portion forwards or in the way of rear slide with above-mentioned handle
The outer peripheral face in portion 100 combines, 100 insertion handle sliding part 120 of above-mentioned handle portion.Above-mentioned handle sliding part 120 is specifically watched
Shape as follows, during so that thumb being inserted in above-mentioned becket 110 on the basis of, in the upside of above-mentioned handle sliding part 120 and
Downside is respectively formed with the ring of pluggable forefinger and middle finger.Also, a part for upper side ring is to the right direction opening of upside, under
A part for side ring can facilitate insertion into finger to the left direction opening of downside so as to reach.
Multiple grooves 122 are formed with the side of the lower side ring of above-mentioned handle sliding part 120, above-mentioned multiple grooves 122 are used for
Fix under keeping state after performing a surgical operation and arrange pipe and electrode wires etc..Above-mentioned multiple grooves 122 can also be formed at side ring
Side, and even forming single groove 122, it is not necessary to form multiple grooves 122.As shown in fig. 6, in order to perform a surgical operation
Endoscope-use scalpel 1 is taken care of afterwards, the pipe of endoscope-use scalpel 1 and electrode wires etc. are securable to above-mentioned multiple grooves 122.
Metal wire 200 is configured at the hollow bulb of above-mentioned handle portion 100, and metal wire 200 is with can be with above-mentioned handle sliding part 120
The mode for integrally moving is connected with above-mentioned handle sliding part 120.Above-mentioned metal wire 200 is used for insertion section transmission operation
The advance in portion, retrogressing and rotation etc. are operated, and specifically, can be passed to the scalpel portion 240 for being located at front by above-mentioned metal wire 200
Pass the movement forwards and the movement at rear for stating handle sliding part 120.Above-mentioned metal wire 200 can be by the metal shape such as rustless steel
Into, it is preferable that in shapes such as iron wires for having pliability and transmission capacity outstanding.
Pipe 220 is formed in the way of the above-mentioned metal wire 200 for surrounding specific length, such as an embodiment of the present utility model,
Preferably, above-mentioned pipe 220 is formed to above-mentioned from the one end that above-mentioned metal wire 200 is connected with above-mentioned handle sliding part 120
The anterior end portion of hand 100.Due to shape of the above-mentioned metal wire 200 in a thin metal wire, thus poor rigidity, therefore work as handle
When handss sliding part 120 advances mobile, metal wire 200 is possible to bend because moment is subject to strength.In the case, with passing through
Form above-mentioned pipe 220 to increase the rigidity of above-mentioned metal wire 200, though handle sliding part 120 forwards or rear move when
Stress, can also maintain rectilinear movement ability, transmit power to above-mentioned metal wire 200 well on one side.Above-mentioned pipe 220 also with upper
State handle sliding part 120 to be connected, and integrally move with above-mentioned handle sliding part 120, so as to be slided by making handle
Portion 120 forwards or rear slide, makes above-mentioned pipe 220 forwards or rear movement.
Peristome 102 and above-mentioned metal of the electrode portion 140 from the side of above-mentioned handle sliding part 120 by above-mentioned handle portion
Line 200 is connected.Also, such as an embodiment of the present utility model, in the way of surrounding above-mentioned metal wire 200, it is being formed with pipe
In the case of 220, electrode portion 140 can be connected with metal wire 200 by above-mentioned pipe 220.Specifically, of the present utility model one
In embodiment, side insertion ring of the electrode portion 140 from the ring of above-mentioned handle sliding part 120, and the opening by above-mentioned handle portion
Portion 102 is connected with the pipe 220 of the hollow bulb for being located at above-mentioned handle portion.Above-mentioned electrode portion 140 is in order to from individually medical
Ultrasonic-frequency rotory generator receives high frequency electric and connects the position of high frequency connecting line etc..
If applying high frequency electric by above-mentioned electrode portion 140, high frequency electric by above-mentioned pipe 220 and metal wire 200 to
The end transmission of insertion section, i.e. be transferred to cut portion, such case will be carried out specifically in afterwards the step of performing a surgical operation
Bright.
Fluid injection unit 300 is combined with the one end in the front of above-mentioned handle portion 100, is noted for the inside to inner tube 400
Enter fluid.Above-mentioned fluid injection unit 300 includes the first injection unit 310 and the second injection unit 320, and above-mentioned first injection unit 310 is solid
It is scheduled on above-mentioned handle portion 100, above-mentioned second injection unit 320 is can be rotated relative to above-mentioned first fluid injection unit 310
Mode is combined with above-mentioned first injection unit 310.Above-mentioned second injection unit 320 has hollow bulb, in above-mentioned second injection unit 320
Side be formed with the ascending pipe 322 of prominent tubular state, above-mentioned ascending pipe 322 is used for being configured at above-mentioned second injection unit
The inside supply water of the inner tube 400 in 320 above-mentioned hollow bulb, physiology salt water or other fluid.
The front of above-mentioned fluid injection unit 300 can be combined with outer tube 340, with the above-mentioned fluid injection unit 300 of insertion
The inner tube 400 that the mode in portion extends from inside above-mentioned fluid injection unit 300 is configured at the inside of the hollow bulb of above-mentioned outer tube 340.
Therefore, the diameter with diameter greater than inner tube 400 of the hollow bulb of above-mentioned outer tube 340.Above-mentioned outer tube 340 and above-mentioned second injection unit
320 combine, and integrally rotate with above-mentioned second injection unit 320, form the rigidity that the material of above-mentioned outer tube 340 has
More than the rigidity that the material of inner tube 400 has, so as to both can firmly maintain the state of inner tube 400, inner tube 400 can be also prevented
Frustrate in the wrong.
Then, with reference to Fig. 3 to Fig. 5, to being inserted in vivo and being illustrated by the insertion section that operating portion is operated.
Inner tube 400 is in the way of the above-mentioned fluid injection unit 300 of insertion and outer tube 340 from above-mentioned fluid injection unit 300
The inside of portion and outer tube 340 extends.Specifically, in an embodiment of the present utility model, the end of above-mentioned inner tube 400 is above-mentioned
The hollow bulb of the inside of the second injection unit 320 is combined with the position for being connected the first injection unit 310.Above-mentioned inner tube 400 is by flexible
Material formed, the material such as teflon pipe can be used.Above-mentioned inner tube 400 can from above-mentioned second injection unit 320 extend about 150cm～
The length of 200cm degree, above-mentioned inner tube 400 are integrally rotated with above-mentioned second injection unit 320 and outer tube 340.Also, can be
A part for above-mentioned inner tube 400 applies colored ink.Especially, it is preferable that apply color oil in the anterior end portion of inner tube 400
Ink.Thus, when insertion section is inserted in internal when, the position in the anterior end portion that can be easy to grasp above-mentioned inner tube 400, so as to can be more
Easily perform a surgical operation.Preferably, above-mentioned inner tube 400 in by resin etc. formed with insulating properties and flexual tubular state.
Closed-loop 402 can be inserted between the terminal part of 100 side of handle portion of above-mentioned inner tube 400 and above-mentioned metal wire 200.
With inserting above-mentioned closed-loop 402, the fluid injected to the inside of above-mentioned inner tube 400 is not to the outer of above-mentioned second injection unit 320
Portion leaks, and can flow to the front of above-mentioned inner tube 400.
Above-mentioned metal wire 200 is connected with above-mentioned handle sliding part 120, and above-mentioned metal wire 200 is with the above-mentioned handle portion of insertion
The mode of the inside of 100 inside, the inside of fluid injection unit 300, the inside of outer tube 340 and inner tube 400 is configured.Above-mentioned metal
Line 200 is connected with handle sliding part 120 with pipe 220 and is integrally moved, so as to can be by making above-mentioned handle sliding part 120
Forwards or rear slide, make above-mentioned metal wire 200 and pipe 220 forwards or rear movement.
Above-mentioned metal wire 200 can be connected with handle sliding part 120 such that it is able in a unitary manner forwards or rear
Moved, but due to above-mentioned handle sliding part 120 relative to handle portion 100 only carry out forwards or rear slip and cannot
Rotated, thus to be rotated above-mentioned metal wire 200, then need to be rotated 100 entirety of handle portion.In this feelings
Under condition, as above-mentioned first injection unit 310 and the second injection unit 320 can be rotated against, if thus above-mentioned second note of fixation
Enter portion 320, and rotate handle portion 100 using becket 110, then above-mentioned handle sliding part 120 and the first injection unit 310 are carried out
Rotate, and above-mentioned metal wire 200 is also rotated in a unitary manner.But, according to the endoscope-use handss of another embodiment
Art knife, as handle portion is rounded, thus handle sliding part can be rotated relative to handle portion, so as to only pass through rubber sleeve
The rotation in dynamic portion come make metal wire rotate.
The end of above-mentioned metal wire 200 is connected with scalpel portion 240, can make scalpel portion 240 in a unitary manner with
Above-mentioned metal wire 200 together forwards or rear movement.In order that above-mentioned metal wire 200 is connected with scalpel portion 240, this reality
Also include adapter 230 with new endoscope-use scalpel, above-mentioned adapter 230 with surround simultaneously above-mentioned metal wire 200 with
Between above-mentioned scalpel portion 240, the mode of each opposite terminal part is formed to radial direction is prominent.Above-mentioned adapter 230 is cutd open
Face is not limited to circle, but should be relative to above-mentioned metal wire 200 and scalpel portion 240 more to the protruding outside of radial direction.
Preferably, above-mentioned scalpel portion 240 is by being formed continuously with 200 identical material of metal wire.
Operation point of a knife 260 is formed to radial direction is prominent in the end in above-mentioned scalpel portion 240, above-mentioned scalpel portion 240
It is connected along taper surface with operation point of a knife 260.The shape of above-mentioned operation point of a knife 260 can be in any shape but new in this practicality
In one embodiment of type, above-mentioned operation point of a knife 260 is diametrically more than the cylinder and the shape of coin in above-mentioned scalpel portion 240.
Also, above-mentioned scalpel portion 240 forms the taper surface that diameter is become larger along front from the end in above-mentioned scalpel portion 240,
Above-mentioned operation point of a knife 260 is combined with the end of above-mentioned taper surface.
Also, endoscope-use scalpel of the present utility model includes that stop section 420, above-mentioned stop section 420 are inserted in above-mentioned
The terminal part of inner tube 400, forms through hole 422 and guide portion in above-mentioned stop section 420, and above-mentioned through hole 422 is above-mentioned for making
240 insertion of scalpel portion, guide sections are used for guiding fluid to above-mentioned through hole 422.Preferably, above-mentioned stop section 420
Color is more darker than above-mentioned inner tube 400, so as to be easy to observe.
The outer peripheral face of above-mentioned stop section 420 twist, above-mentioned stop section 420 in the way of being tightly inserted into above-mentioned inner tube
The inside of 400 terminal part combines, so as between the outer peripheral face of the inner peripheral surface of above-mentioned inner tube 400 and above-mentioned stop section 420
Form frictional force so that stop section 420 is tightly fastened in the inside of inner tube 400.Formed in above-mentioned stop section 420 above-mentioned for making
The through hole 422 of 240 insertion of scalpel portion, can be watched in figure 3 in detail, should make above-mentioned through hole 422 with diameter greater than upper
The diameter in scalpel portion 240 is stated, so as to the above-mentioned through hole 422 of 240 insertion of scalpel portion can be made, but above-mentioned through hole 422 should be made
Diameter less than above-mentioned adapter 230 diameter so that adapter 230 cannot the above-mentioned through hole 422 of insertion.Therefore, if logical
Crossing makes above-mentioned handle sliding part 120 move forwards, makes metal wire 200 and the handss being connected with above-mentioned handle sliding part 120
Art knife portion 240 moves forwards, then above-mentioned adapter 230 cannot pass through the through hole 422 of above-mentioned stop section, by stop section 420
The rear end face of stop section is engaging in, so as to above-mentioned scalpel portion 240 can be limited and is formed at the operation point of a knife of scalpel portion end
260 exposed lengths exposed to the outside of above-mentioned inner tube 400.
In the case, the one end in the rear end of the above-mentioned stop section 420 for making above-mentioned adapter 230 engaged is formed and is drawn
Portion is led, and guide sections are used for fluid stream being guided to above-mentioned through hole 422, and guide sections include multiple protruding portion 424, above-mentioned
Multiple protruding portion 424 is projected along the length direction that above-mentioned metal wire 200 extends and is formed.Above-mentioned multiple protruding portion 424 is from formation
Have above-mentioned through hole 422 stop section 420 posterior end face along above-mentioned stop section 420 length direction rearward prominent and
Into.Also, above-mentioned multiple protruding portion 424 is characterised by, configured with radial.As long as being formed with the through hole of stop section
Carry out the shape with radiated entends centered on 422, then above-mentioned multiple protruding portion 424 can be in any shape, extend each
Protuberance 424 can also be curvilinear.And, it is preferable that above-mentioned multiple protruding portion 424 separates at predetermined intervals and forms.According to this
One embodiment of utility model, four protuberances 424 are in the way of being in mutually an angle of 90 degrees on the left side of above-mentioned through hole 422, the right side
Side, upside, downside are configured with " ten " word shape, but can also be in any shapes such as " X " word shape, whirlwind shape.
As described above, with multiple protruding portion 424 is formed, above-mentioned adapter 230 is because colliding with above-mentioned multiple protruding portion 424
Hit and engaged live, thus, stop section 420 is played a part of by above-mentioned multiple protruding portion 424 in fact.
Also, supply from the ascending pipe 322 of above-mentioned fluid injection unit 300 and in above-mentioned inner tube 400 and above-mentioned metal wire 200
Between flow forwards water, normal saline etc. fluid above-mentioned stop section 420 posterior end face along guide sections
Move, i.e. move along the multiple passages being formed between multiple protruding portion 424.In the case, due to above-mentioned
The outer peripheral face of stop section 420 twist, and above-mentioned stop section 420 by be close to insertion in the way of with above-mentioned inner tube 400 in
Side face combines, thus fluid does not flow between the outer peripheral face of stop section 420 and the inner peripheral surface of inner tube 400.Therefore, above-mentioned
Adapter 230 cannot proceed forward travel with above-mentioned multiple protruding portion 424 and in halted state by contacting
In the case of, fluid is multiple by formed by the above-mentioned multiple protruding portion 424 between above-mentioned adapter 230 and stop section 420
Gap is flowed to through hole 422, in an embodiment of the present utility model, guides fluid by four gaps to through hole.Tool
Body ground, in the diagram, mobile route that fluid is shown by arrow.As described above, with by multiple gaps to an insertion
Hole 422 guides fluid, can improve the pressure of fluid.
Also, endoscope-use scalpel of the present utility model includes head 440, above-mentioned head 440 and above-mentioned inner tube 400
End combines, and forms the fluid injection orifice 442 opposite with above-mentioned through hole 422 in above-mentioned head 440.Above-mentioned stop section 420
Can form as one with above-mentioned head 440.Preferably, above-mentioned fluid injection orifice 442 is in the position opposite with above-mentioned through hole 422
To be formed with 422 identical size of above-mentioned through hole.Above-mentioned head 440 forms rounded nose forwards.Of the present utility model
In one embodiment, the diameter of above-mentioned fluid injection orifice 442 is less than the diameter of above-mentioned operation point of a knife 260, in above-mentioned operation point of a knife 260
In the case of failing to be inserted in the fluid injection orifice 442 of above-mentioned head, if making above-mentioned handle sliding part 120 rearward slide,
Operation point of a knife 260 is locking by head 440.But, according to another embodiment, the diameter of above-mentioned operation point of a knife 260 is less than above-mentioned stream
The diameter of body spray-hole 442, so as to make operation point of a knife 260 enter the inside of above-mentioned head 440.
Therefore, guide to above-mentioned through hole 422 by above-mentioned multiple protruding portion 424 and to the flowing of above-mentioned through hole 422
Outer jet of the fluid along above-mentioned fluid injection orifice 442 to inner tube 400, the fluid to outer jet is along above-mentioned scalpel portion
240th, taper surface, the outer peripheral face of operation point of a knife 260 maintain rectilinear movement ability, and can be ejected into internal target position exactly
Put.
Also, as shown in figure 8, pass through through one with the fluid guided by the guide portion formed by multiple protruding portion 424
Through hole 422 and fluid injection orifice 442 spray so that the injection pressure of fluid is uprised, and the jet length for thus making fluid is elongated, spray
Firing rate degree accelerates, can be by the effect for sufficiently spraying dynamics jet fluid so as to have.
Then, the step of to the endoscope-use scalpel 1 using one embodiment of this utility model to perform a surgical operation, carries out letter
Unitary declaration.
First, in order to enter internal diseased region, inner tube 400 can be inserted by the channel interior of endoscope.In this feelings
Under condition, above-mentioned handle sliding part 120 is located at the relative rear of handle portion 100, it is preferable that the front phase with above-mentioned metal wire 200
The scalpel portion 240 of connection is entered in vivo with the state for being located at the inside of inner tube 400.
If as described above, make inner tube 400 near target lesion position by endoscope path way, above-mentioned rubber sleeve by making
Dynamic portion 120 is slided forwards relative to handle portion 100, so that the scalpel portion 240 being connected with above-mentioned metal wire 200 and handss
Art point of a knife 260 exposes to the outside of inner tube 400.In the case, till above-mentioned adapter 230 is locking by stop section 420,
Above-mentioned scalpel portion and operation point of a knife can be exposed to greatest extent by moving handle sliding part.
Then, in order to be marked to diseased region and cut off, above-mentioned electrode portion 140 be connected with high frequency connecting line and to
Above-mentioned motor section 140 applies high frequency electric, and above-mentioned high frequency connecting line is used for receiving high frequency from individually medical ultrasonic-frequency rotory generator
Electric current.Thus, the high frequency electric for being applied is transferred to scalpel portion 240 and scalpel portion through above-mentioned pipe 220 and metal wire 200
The operation point of a knife 260 of 240 ends.If high frequency electric flows to above-mentioned operation point of a knife 260, using above-mentioned high frequency electric to disease
Become position to be marked or cut off.
During performing a surgical operation, in order to clean bleeding part or in order to by do not make tissue adhere in the way of prevent from being cut
The tissue that opens adheres to again and is easily isolated the tissue being cut open, then need jet fluid, in the case, by above-mentioned note
Enter inside injection fluid of the pipe 322 to inner tube 400, so as to the fluid that the inside along above-mentioned inner tube 400 can be made to flow forwards
Sprayed by the fluid injection orifice 442 of 400 end of inner tube.Detailed process had carried out explanation in above-mentioned.
If terminating the step of performing a surgical operation as above, inner tube 400 can be extracted again through the passage of endoscope
External and terminate to perform the operation.
The above-mentioned steps for applying high frequency electric or injection fluid can be carried out at any time as needed or be interrupted.
Claims (12)
1. a kind of endoscope-use scalpel, including：
Handle portion, with hollow bulb, is formed with the peristome being connected with above-mentioned hollow bulb in the side of above-mentioned handle portion；
Handle sliding part, by can along the length direction of above-mentioned handle portion forwards or in the way of rear slide with above-mentioned handle
The outer peripheral face in portion combines；
Metal wire, is configured at the hollow bulb of above-mentioned handle portion, and above-mentioned metal wire is with can be with above-mentioned handle sliding part integrally
Mobile mode is connected with above-mentioned handle sliding part；
Electrode portion, is connected with above-mentioned metal wire from the side of above-mentioned handle sliding part by the peristome of above-mentioned handle portion；
Fluid injection unit, is combined with one end of above-mentioned handle portion, for the inside injection fluid to inner tube；And
Inner tube, is extended from above-mentioned fluid injection unit in the way of the above-mentioned fluid injection unit of insertion,
Above-mentioned endoscope-use scalpel is characterised by, including：
Scalpel portion, is connected with the end of above-mentioned metal wire, and above-mentioned scalpel portion can be integrally moved with above-mentioned metal wire
Dynamic；
Stop section, is inserted in the terminal part of above-mentioned inner tube, is formed with through hole and guide portion, above-mentioned through hole in above-mentioned stop section
For making the insertion of above-mentioned scalpel portion, guide sections be used for guiding fluid to above-mentioned through hole；And
Head, is combined with the end of above-mentioned inner tube, is formed with the fluid injection orifice opposite with above-mentioned through hole in above-mentioned head.
2. endoscope-use scalpel according to claim 1, it is characterised in that
Also include that point of a knife of performing the operation, above-mentioned operation point of a knife are formed to radial direction is prominent in the end in above-mentioned scalpel portion,
Above-mentioned scalpel portion is connected along taper surface with above-mentioned operation point of a knife.
3. endoscope-use scalpel according to claim 2, it is characterised in that
Also include managing, above-mentioned pipe is formed in the way of the above-mentioned metal wire for surrounding specific length,
Above-mentioned electrode portion is connected with above-mentioned metal wire by above-mentioned pipe.
4. endoscope-use scalpel according to claim 2, it is characterised in that be formed with above-mentioned handle sliding part multiple
Groove.
5. endoscope-use scalpel according to claim 2, it is characterised in that in the handle portion side terminal part of above-mentioned inner tube
Closed-loop is inserted between above-mentioned metal wire.
6. endoscope-use scalpel according to claim 2, it is characterised in that the outer peripheral face of above-mentioned stop section is helically
Shape.
7. endoscope-use scalpel according to claim 6, it is characterised in that guide sections include multiple protruding portion,
Above-mentioned multiple protruding portion is projected in one end of above-mentioned stop section along the length direction of above-mentioned stop section and is formed.
8. endoscope-use scalpel according to claim 7, it is characterised in that above-mentioned multiple protruding portion is carried out with radial
Configuration.
9. endoscope-use scalpel according to claim 8, it is characterised in that above-mentioned multiple protruding portion is with " ten " word shape
Configured.
10. endoscope-use scalpel according to claim 9, it is characterised in that also include adapter, above-mentioned adapter with
The mode for surrounding each terminal part between above-mentioned metal wire and above-mentioned scalpel portion opposite simultaneously is formed to radial direction is prominent.
11. endoscope-use scalpels according to claim 2, it is characterised in that apply in a part for above-mentioned inner tube color
Color ink.
12. endoscope-use scalpels according to claim 10, it is characterised in that injected by above-mentioned fluid injection unit
Fluid is directed to by the multiple gaps formed by the above-mentioned multiple protruding portion between above-mentioned adapter and above-mentioned stop section
Through hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20150191250 | 2015-12-31 | ||
| KR10-2015-0191250 | 2015-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206007355U true CN206007355U (en) | 2017-03-15 |
Family
ID=58241137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620297842.2U Active CN206007355U (en) | 2015-12-31 | 2016-04-11 | Endoscope-use scalpel |
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| Country | Link |
|---|---|
| CN (1) | CN206007355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730636A (en) * | 2017-06-13 | 2020-01-24 | 凡梅迪克斯株式会社 | Hybrid knife for endoscope |
| CN111741706A (en) * | 2018-04-18 | 2020-10-02 | 太雄医疗器株式会社 | Endoscope with split probe |
-
2016
- 2016-04-11 CN CN201620297842.2U patent/CN206007355U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730636A (en) * | 2017-06-13 | 2020-01-24 | 凡梅迪克斯株式会社 | Hybrid knife for endoscope |
| CN110730636B (en) * | 2017-06-13 | 2023-08-11 | 凡梅迪克斯株式会社 | Mixing knife for endoscope |
| CN111741706A (en) * | 2018-04-18 | 2020-10-02 | 太雄医疗器株式会社 | Endoscope with split probe |
| CN111741706B (en) * | 2018-04-18 | 2023-10-20 | 太雄医疗器株式会社 | Endoscope with separate probe |
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