CN110051414A - Clamp-type foreign body taking device and its method - Google Patents
Clamp-type foreign body taking device and its method Download PDFInfo
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- CN110051414A CN110051414A CN201910369452.XA CN201910369452A CN110051414A CN 110051414 A CN110051414 A CN 110051414A CN 201910369452 A CN201910369452 A CN 201910369452A CN 110051414 A CN110051414 A CN 110051414A
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- dictyosome
- fixed
- clamp
- foreign body
- folder
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003384 imaging method Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 210000001035 gastrointestinal tract Anatomy 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 230000029087 digestion Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 229910017518 Cu Zn Inorganic materials 0.000 description 2
- 229910017752 Cu-Zn Inorganic materials 0.000 description 2
- 229910017943 Cu—Zn Inorganic materials 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000004211 gastric acid Anatomy 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000030090 Acute Disease Diseases 0.000 description 1
- 229910017755 Cu-Sn Inorganic materials 0.000 description 1
- 229910017773 Cu-Zn-Al Inorganic materials 0.000 description 1
- 229910017927 Cu—Sn Inorganic materials 0.000 description 1
- 241000167880 Hirundinidae Species 0.000 description 1
- 229910018643 Mn—Si Inorganic materials 0.000 description 1
- 229910000943 NiAl Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 206010042464 Suicide attempt Diseases 0.000 description 1
- 229910004337 Ti-Ni Inorganic materials 0.000 description 1
- 229910011209 Ti—Ni Inorganic materials 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 210000000436 anus Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00818—Treatment of the gastro-intestinal system
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of clamp-type foreign body taking device and its methods, belong to the field of medical instrument technology, including fixed device, extension fixture and imaging device, the fixed device includes shell, first push rod, second push rod, flexible flexible axle, main folder, first sub-folder and the second sub-folder, the main folder includes the first gripping finger and the second gripping finger, the flexible flexible axle is arranged in the shell, one end of first push rod and the second push rod is provided with flange, the sealing ring with the mobile sealing of the cavity inner wall of the shell is provided on the flange, the extension fixture includes dictyosome, dictyosome driver and dictyosome limit shape device, the imaging device includes the display that the camera of dictyosome limit shape device front end is arranged in and is connect with camera by conducting wire.The present invention can make the fixation to foreign matter stronger, and the risk skidded off reduces, the taking-up suitable for some longer foreign matters；And having the presence of dictyosome in operation, foreign matter will not damage digestive tract wall, make to operate safer.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of clamp-type foreign body taking device and its method.
Background technique
Foreign body in gastrointestinal tract is common abdomen acute disease foreign matter, and the overwhelming majority swallows, good to occur in infant and spirit
Disease or suicide attempts person.Foreign matter majority can be by anus Self-discharged, but also some patients are difficult because foreign matter is discharged or have concurrent
Disease then needs operative treatment.In the case of, which is divided into two kinds of situations: one is non-invasive procedures, using guiding tube from mouth
Chamber, which enters alimentary canal, will take out foreign matter, and another kind is directly to open up wound in abdominal cavity to take out.
But either invasive or non-invasive requires fixed device when taking out and fixes, could be by foreign body.Due to foreign matter
Diversity and scrambling, the prior art use different fixed forms, such as: sheet foreign matter use clamp-type, column foreign matter
Blanket net formula is used using jack catchs type, spherical or blocky foreign matter.
Clamp-type clamps foreign matter with two gripping fingers, operates simpler.But it since two gripping fingers are by shaft clamping, clamps
When, the angle of two gripping fingers changes, and foreign matter may be squeezed out clip position, and clamping is caused to fail；Meanwhile two gripping finger width
It can not adjust, for some longer foreign matters, chucking power possibly can not resist alimentary canal frictional resistance, lead to not take out.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of clamp-type foreign body taking device and its method, it is existing to solve
Technology is not fixed easily the problem inadequate with chucking power.
One of present invention is achieved through the following technical solutions:
Clamp-type foreign body taking device, including fixed device, extension fixture and imaging device,
The fixed device includes that shell, the first push rod, the second push rod, flexible flexible axle, main folder, the first sub-folder and second are secondary
Folder, the main folder include the first gripping finger and the second gripping finger,
The shell is a cavity thin walled shell,
The flexible flexible axle is arranged in the cavity of the shell,
One end of first push rod and the second push rod is provided with by flange raised radially outward, is set on the flange
Be equipped with the sealing ring with the mobile sealing of the cavity inner wall of the shell, the shell by two flanges be divided into three it is mutually independent
Chamber, three chambers pass through kinetic pump and are connected to external hydraulic medium, and the kinetic pump is electrical by conducting wire and external power supply
Connection,
The both ends of the flexible flexible axle are connect with two flanges respectively, form the elastic shaft of the scalable work in a both ends,
The other end of first push rod and the second push rod each extends over out shell, and the first gripping finger setting is pushed away first
Bar extends the end of one end of shell, and the end that the second push rod extends one end of shell is arranged in second gripping finger,
First sub-folder is arranged in the first gripping finger, and second sub-folder is arranged in the second gripping finger,
The extension fixture includes that dictyosome, dictyosome driver and dictyosome limit shape device, the dictyosome include multiple into circumference point
The dictyosome rib of cloth and the nethike embrane being connected between dictyosome rib, the dictyosome rib are made of memory material, one end edge
The bending outward of the radial direction of dictyosome is simultaneously shaped into zigzag, the step body for keeping the big one end in dictyosome one end small, the dictyosome driving
The small end of device and step body is fixed, and the dictyosome limit shape device is provided with the limit shape hole that limit shape is carried out for the big end to step body.
The dictyosome driver is a hollow tube, and the fixed device is removably set on the net by walking mechanism
In the inner hole of body driver.
The imaging device includes that the camera of dictyosome limit shape device front end is arranged in and is connect with camera by conducting wire
Display.
Further, the first sub-folder and the second sub-folder include that the first pair refers to, the second pair refers to and clamp system, and described first is secondary
Refer to and the second pair refers to include clamping part, driving portion and the connecting hole being arranged between clamping part and driving portion, two connections
Same rotary shaft is arranged in hole, refers to the first pair and refers to the second pair and be rotatably connected, the clamp system is arranged on driving portion, institute
Flexible flexible axle is stated including at least one section of telescopic segment made of spring or rubber strip.
Further, the clamp system includes that the first pair is arranged in refer to that the first connecting rod group of side and setting refer in the second pair
The second connecting rod group of side, the first connecting rod group and second connecting rod group include first connecting rod and pass through shaft with first connecting rod
The second connecting rod being rotatably connected, the other end of two first connecting rods is rotatable respectively to be fixed on ipsilateral driving portion, and two second
The connecting rod other end is rotatable to be fixed in same fixed column, and the fixed column is fixed in gripping finger, and the clamp system further includes
Force rope in the shaft is set.
It further, further include force guiding mechanism, the force guiding mechanism includes existing in the fixing seat of zigzag shape, setting
The bracket of the fixing seat inner cavity and two guide rollers being disposed side by side on bracket, a few word two sides of the fixing seat pass through fastening
Part is fixed with gripping finger, and the bracket includes two blocks of level boards set up and down, and two guide rollers are parallel and rotatable solid
Be scheduled between two level boards, be provided with the arc groove to concave on the outer circumference surface of the guide roller, two guide roller arc grooves it
Between formed force rope guide groove.
Further, the nethike embrane be include internal layer be high resiliency polyethylene fiber and outer layer is the double-layer structure of plastic foil.
Further, the outer surface of the dictyosome driver is provided with and the one-to-one fixing groove of dictyosome rib.
Further, the walking mechanism include guide holder and one end be fixed on guide holder, the other end extend it is external
Force pipe, the guide holder is slidably arranged on the inner hole wall of dictyosome driver, for control the control valve of the kinetic pump with
The conducting wire of external power supply connection passes through force pipe setting.
It further, further include media Containers, one end of the media Containers is connected to by pipeline with kinetic pump, and one end passes through
Fastener is fixed with the guide holder.
The two of the present invention are achieved through the following technical solutions:
Using above-mentioned clamp-type foreign body taking device taking foreign body in alimentary canal, under the guidance of imaging device, carry out following
Operation:
1) shape device is limited by dictyosome and send fixed device and extension fixture to the foreign matter near zone into alimentary canal together；
2) extension fixture is removed dictyosome and limits shape device by mobile dictyosome driver, and dictyosome is restored to shape memory, to digestion
Road forms expansion, forms fixed operation space；
3) by force pipe, fixed device is removed into dictyosome driver and is entered in fixed operation space, the first gripping finger is opened
Foreign matter is gripped with the second gripping finger；
4) dictyosome driver is recycled, dictyosome is contracted to foreign matter surface；
5) dictyosome limit shape device is exited, foreign body is completed.
The three of the present invention are achieved through the following technical solutions:
A kind of method of taking foreign body, using above-mentioned clamp-type foreign body taking device taking foreign body in alimentary canal, in imaging device
Guidance under, perform the following operation:
1) shape device is limited by dictyosome and send fixed device and extension fixture to the foreign matter near zone into alimentary canal together；
2) extension fixture is removed dictyosome and limits shape device by mobile dictyosome driver, and dictyosome is restored to shape memory, to digestion
Road forms expansion, forms fixed operation space；
3) by force pipe, fixed device is removed into dictyosome driver and is entered in fixed operation space, the first sub-folder is opened
Foreign matter is gripped with the second sub-folder；
4) dictyosome driver is recycled, dictyosome is contracted to foreign matter surface；
5) dictyosome limit shape device is exited, foreign body is completed.
The beneficial effects of the present invention are:
1, the present invention can clamp foreign matter by the first push rod and the second push rod in parallel, without angle change, so as to reduce
The probability that foreign matter skids off；
2, by the fixed some longer foreign matters of two sub-folders being arranged in gripping finger, prior art chucking power can be solved not
Enough problems；
3, by the combined application of shell, the first push rod, the second push rod, flange and flexible flexible axle, can make to clamp foreign matter thickness
Spend adjustable, and chucking power is more stable, makes to clamp stronger.
4, dictyosome is made by memory material, after being released, dictyosome restores its shaping size, enlarged-diameter to digestion
Digestive tract wall is isolated in foreign matter by road wall, is formed and is expanded to alimentary canal, is conveniently fixed；
5, foreign matter and digestive tract wall are isolated by dictyosome, can avoid foreign matter and the behaviour of digestive tract wall is hurt, alimentary canal is formed
Protective effect；
6, being applied in combination by limit shape driver, dictyosome driver and force pipe, can be advanced, expanded and be fixed
Composition operation.
In short, the present invention can make the fixation to foreign matter stronger, the risk skidded off is reduced, suitable for some longer foreign matters
It takes out；And having the presence of dictyosome in operation, foreign matter will not damage digestive tract wall, make to operate safer.
Detailed description of the invention
Fig. 1 is the schematic diagram of clamp-type foreign body taking device of the invention；
Fig. 2 is the combination diagram that dictyosome limits shape device, fixed device and extension fixture；
Fig. 3 is the cross-sectional view that dictyosome limits shape device；
Fig. 4 is the main view of dictyosome；
Fig. 5 is the schematic diagram after dictyosome expansion；
Fig. 6 is the main view of dictyosome driver；
Fig. 7 is the cross-sectional view of dictyosome driver；
Fig. 8 is the main view of fixed device；
Fig. 9 is the top view of Fig. 8；
Figure 10 is that Fig. 9 removes the schematic diagram after slot cover；
Figure 11 is the schematic diagram of main folder working condition of the present invention；
Figure 12 is the schematic diagram of sub-folder working condition of the present invention；
Figure 13 is the structural schematic diagram of force guiding mechanism；
Figure 14 is the cross-sectional view of internal layer or outer layer on thickness；
Figure 15 is the schematic diagram of dictyosome rib.
Description of symbols:
1- shell；The first push rod of 2-；The second push rod of 3-；4- stretches flexible axle；The first gripping finger of 5-；The second gripping finger of 6-；
The first sub-folder of 7-；The second sub-folder of 8-；9- flange；10- sealing ring；11- kinetic pump；The first pair of 12- refers to；13- second is secondary
Refer to；14- clamp system；15- clamping part；16- driving portion；17- rotary shaft；18- first connecting rod；19- second connecting rod；
20- shaft；21- fixed column；22- force rope；23- clamping spring；24- fixing seat；25- guide roller；26- level board；
27- arc groove；28- force rope guide groove；29- telescopic segment；30- media Containers；31- pipeline；32- control valve；33-
Pair refers to slot；34- slot cover；35- slot cover slides into slot；36- anti-slop serrations；37- fixes device；38- extension fixture；39- dictyosome；
40- dictyosome driver；41- dictyosome limits shape device；42- dictyosome rib；43- nethike embrane；44- fixing groove；45- internal layer；46-
Outer layer；47- camera；48- display；49- guide holder；50- force pipe；51- limits shape hole；52- external power supply；53-
Handlebar；54- operation button.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In foregoing description of the invention, it should be noted that the orientation or position of the instructions such as term " side ", " other side "
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term
" first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In addition, the terms such as term " identical " are not offered as requiring component absolutely identical, but may exist small difference.
Term " vertical " is only that the positional relationship between finger is more vertical with respect to for " parallel ", is not to indicate the structure one
Surely completely vertical, but can be slightly tilted.
As shown in Fig. 1 to Figure 15, the present embodiment provides a kind of clamp-type foreign body taking devices, including fixed device 37, expansion
Device 38 and imaging device, specific:
Fixed device includes shell 1, the first push rod 2, the second push rod 3, flexible flexible axle 4, the first sub-folder 7 and the second sub-folder 8,
Main folder include the first gripping finger 5, the second gripping finger 6, the shell be a cavity thin walled shell, can be made of metal material, make it have compared with
High structural strength, flexible flexible axle are arranged in the cavity of shell, extending or contraction, one end of the first push rod and the second push rod
It is provided with flange 9, flange is by raised radially outward, close to the internal chamber wall of shell, is provided with sealing ring 10 on flange, makes flange
With the inner wall movable seal of shell, in this way, shell is divided into three mutually independent chambers by two flanges, three chambers are logical
It crosses kinetic pump 11 to be connected to external hydraulic medium, hydraulic medium is pumped into or is pumped out chamber by kinetic pump, the both ends point for the flexible axle that stretches
It is not connect with two flanges, the elastic shaft of the formation scalable work in one both ends, the other end of the first push rod and the second push rod prolongs respectively
Shell is stretched out, the end that the first push rod extends one end of shell is arranged in the first gripping finger, and the second gripping finger is arranged in the second push rod
Extend the end of one end of shell.
When hydraulic medium is pumped into intermediate cavity by kinetic pump, and when the hydraulic medium of two side cavities is pumped out, hydraulic
Under power effect, elastic shaft is elongated, and the first push rod and the second push rod difference are protruding, is made between the first gripping finger and the second gripping finger
Distance increase to the size of foreign matter retaining part, prepare for clipping operation；On the contrary, then between the first gripping finger and the second gripping finger
Distance reduce, carry out clipping operation.
In the present embodiment, the first sub-folder is arranged in the first gripping finger, and the second sub-folder is arranged in the second gripping finger.When the first folder
When referring to that the distance between second gripping finger changes, the distance between the first sub-folder and the second sub-folder change, so as to
The clamping for carrying out longer foreign matter is clamped at two due to having, is clamped stronger.
Extension fixture includes dictyosome 39, dictyosome driver 40 and dictyosome limit shape device 41, and dictyosome includes multiple dictyosome ribs 42
And the nethike embrane 43 being connected between dictyosome rib, multiple dictyosome ribs are uniformly distributed along the circumference of same diameter, form one
Tube, dictyosome rib are made of memory material, such as: Au-Cd, Ag-Cd, Cu-Zn, Cu-Zn-Al, Cu-Zn-
Sn, Cu-Zn-Si, Cu-Sn, Cu-Zn-Ga, In-Ti, Au-Cu-Zn, NiAl, Fe-Pt, Ti-Ni, Ti-Ni-
Pd, Ti-Nb, U-Nb and Fe-Mn-Si etc., phase transition temperature is greater than 42 DEG C, at this point, the shape of dictyosome rib will not be in body
It changing, and then can be worked normally under any body temperature under temperature, the dictyosome rib shape memory of the present embodiment is zigzag,
Along the radial direction of dictyosome, bending is formed outward for the same end of all dictyosome ribs, and dictyosome is made to be fixed to the small platform in the big one end in one end
Rank body, dictyosome driver and the small end of dictyosome rib are fixed, and are provided with multiple fixing grooves 44, multiple fixations on its outer surface
Slot is arranged in a one-to-one correspondence with dictyosome rib, when fixed, dictyosome rib can be inserted into fixing groove and is fixed, certainly, for fixation
Securely, can dictyosome rib be inserted into fixing groove after, be bonded with glue, can also by the direct stake-fastening of the two, meanwhile,
Dictyosome limit shape device is provided with the limit shape hole 53 that limit shape is carried out for the big end to step body, and the diameter in limit shape hole is less than dictyosome big end
Diameter in a free state can carry out limit shape adjustment, to dictyosome big end in this way to adapt to various sizes of foreign matter.
In the present embodiment, nethike embrane can be plastic foil, and plastic foil is corrosion-resistant, can work normally in gastric acid；It can also be with
It is high resiliency polyethylene tunica fibrosa, high resiliency polyethylene fiber has higher elasticity, and specific gravity is small, rigidity is good and intensity is high, can
To resist sharp foreign matter, prevent from being punctured.
More preferably, the nethike embrane of the present embodiment be include internal layer 45 be high resiliency polyethylene fiber and outer layer 46 is plastics
The double-layer structure of film in this way, can both prevent from corroding, can also resist the damage of sharp foreign matter as shown in figure 14, therefore, more
Suitable for gastric acid or digestive tract environment.
In the present embodiment, when dictyosome rib is free state, zigzag bending edges and dictyosome axis make an angle alpha setting, such as
Shown in Figure 15, α it is optimal be 30-60 °, in this way, make its be released revert to shape memory during, have multiple variations
Size, as shown, free size is D, varying dimensions have D1, D2, D3, D4 etc..To adapt to various sizes of alimentary canal and different
Object.
Imaging system includes that the camera 47 of dictyosome limit shape device front end is arranged in and is shown with camera by what conducting wire was connect
Show device 48, the front end of dictyosome limit shape device is arranged in extension fixture and fixed device, after dictyosome limit shape device is arranged in handlebar 53
End, is provided with the operation button 54 of main folders and sub-folders on handlebar.
Dictyosome limit shape device and dictyosome driver are made of plastics or rubber, have certain intensity and elasticity.It can lead to
The lever manipulation dictyosome limit shape device for crossing dictyosome limit shape device rear end is mobile in alimentary canal, at this point, it is equivalent to guiding tube, it is whole to device
Body is driven and is oriented to, and limits observation of the camera of shape device front end to objects in front and path by dictyosome, then by aobvious
Show that device will observe result progress video and show, when dictyosome limit shape device reaches in front of foreign matter, dictyosome limits the stopping movement of shape device, passes through
Foreign matter is fixed in operation button.
In the present embodiment, dictyosome driver is a hollow tube, and fixed device is removably set on net by walking mechanism
In the inner hole of body driver, mobile driving is carried out to fixed device by walking mechanism.
Compared with the existing technology, the present embodiment has the advantage that
1, it pushes the first push rod and the second push rod protruding simultaneously by hydraulic medium inside the shell, drives the first folder
Refer to and the second gripping finger carries out clipping operation, due to being to move in parallel, without angle change, so foreign matter will not be extruded；
2, some longer foreign matters can be fixed by two sub-folders being arranged in gripping finger, prior art chucking power can be solved not
Enough problems；
3, by the combined application of shell, the first push rod, the second push rod, flange and flexible flexible axle, it can make clamping length can
It adjusts, is adapted to the foreign matter of larger diameter；
4, since the flange size of push rod is identical, hydraulic thrust is consistent, and the chucking power of two gripping fingers is also
It is consistent, make to clamp more stable.
5, dictyosome is made by memory material, after being released, dictyosome restores its shaping size, enlarged-diameter to digestion
Digestive tract wall is isolated in foreign matter by road wall, is formed and is expanded to alimentary canal, is conveniently fixed；
6, foreign matter and digestive tract wall are isolated by dictyosome, can avoid foreign matter and the behaviour of digestive tract wall is hurt, alimentary canal is formed
Protective effect；
7, being applied in combination by limit shape driver, dictyosome driver and walking mechanism, can be advanced, expanded and be fixed
Composition operation.
In short, the present invention can make the fixation to foreign matter stronger, the risk skidded off is reduced, suitable for some longer foreign matters
It takes out, the scope of application increases；And have the presence of dictyosome in operation, foreign matter will not damage digestive tract wall, make to operate it is safer, and
Due to the expansion in space, make more convenient operation, conducive to improving efficiency, saves operating time.
As the improvement of the present embodiment, the first sub-folder and the second sub-folder include that the first pair refers to that the 12, second pair refers to 13 and folder
Tight mechanism 14, the first pair refers to and the second pair refers to include clamping part 15, driving portion 16 and setting between clamping part and driving portion
Connecting hole, same rotary shaft 17 is arranged in two connecting holes, and in the fixed gripping finger of rotary shaft, refers to the first pair and refer to the second pair and can revolve
Turn connection, further, clamp system includes that the first pair is arranged in refer to that the first connecting rod group of side refers to side in the second pair with setting
Second connecting rod group, first connecting rod group and second connecting rod group include first connecting rod 18 and can be revolved with first connecting rod by shaft 20
Turn the second connecting rod 19 of connection, the other end of two first connecting rods is rotatable respectively to be fixed on ipsilateral driving portion, and two second connect
The bar other end is rotatable to be fixed in same fixed column 21, and fixed column is fixed in gripping finger, and clamp system further includes that setting is being revolved
Force rope 22 in shaft.
It is restricted by force and pulls rotation axis horizontal mobile, first connecting rod and second connecting rod relative rotation, the total length of the two
It changes, since second connecting rod one end is fixed in fixed column, refers to for the variation for adapting to length, first connecting rod and the first pair
Connecting pin or first connecting rod and the second pair refer to connecting pin, also to rotate relative to fixed column, meanwhile, fixed column and rotary shaft are equal
In fixed gripping finger, the two position and constant distance, therefore, the first pair, which refers to, to be referred to the second pair and also to rotate to adapt to this length
Variation, and then the variation of the distance between two clamping parts of realization, are clamped or are discharged operation.
As the improvement of the present embodiment, it is provided with clamping spring 23 between two clamping parts, by the elastic force of clamping spring, makes
Sub-folder keeps lasting chucking power.
It further include force guiding mechanism as the improvement of the present embodiment, force guiding mechanism includes the fixation in zigzag shape
A few word two sides of seat 24, two guide rollers 25 that the bracket of fixing seat inner cavity is arranged in and is disposed side by side on bracket, fixing seat are logical
It crosses fastener to fix with gripping finger, bracket includes two blocks of level boards 26 set up and down, and two guide rollers are parallel and rotatable solid
It is scheduled between two level boards, is provided with the arc groove 27 to concave on the outer circumference surface of guide roller, between two guide roller arc grooves
Form force rope guide groove 28.Force rope positioned at two sides is fixed by force rope guide groove limitation, the unified direction of correcting,
It draws outside alimentary canal in use, force can be restricted, directly exerts a force in outside.
As the improvement of the present embodiment, flexible flexible axle can be also possible to a bit of telescopic segment with all telescopic segments, as long as
It is able to achieve scheduled collapsing length.In the present embodiment, telescopic segment 29 can be made of spring, can also use rubber strip system
At.
As the improvement of the present embodiment, the first gripping finger and the second gripping finger are provided with pair and refer to slot 33 and slot cover 34, and pair refers to slot
By the setting that extends internally on the outside of gripping finger, refer to that groove top portion is provided with slot cover and slides into slot 35 in pair, slot cover slides into slot by slot cover and carries out
Installation is fixed, and is provided with rotary shaft fixing groove in slot cover, can be fixed to the top of rotary shaft.
As the improvement of the present embodiment, the first gripping finger, the second gripping finger, the first pair refer to and the second pair refer on be provided with anti-slop serrations
36。
As the improvement of the present embodiment, walking mechanism includes guide holder 49 and one end is fixed on guide holder, the other end prolongs
External force pipe 50 is stretched out, the outer surface of guide holder and the inner hole of dictyosome driver are slidably matched, and drive it can along dictyosome
The sliding of device inner hole, realizes guiding.
Likewise, force pipe is also made of plastics or rubber, there is certain intensity and elasticity, guide holder row can be driven
Into.
In the present embodiment, kinetic pump is provided with control valve 51, and control valve is connect with external power supply 52, and the two connection lead
Line passes through force pipe setting.In this way, making clue specification, it is not easy to be worn, more completely.
It further include media Containers 30 as the improvement of the present embodiment, one end of media Containers passes through pipeline 31 and kinetic pump
Connection, one end is fixed by bolt or screw etc. with guide holder.
The present embodiment also provides a kind of using above-mentioned clamp-type foreign body taking device taking foreign body method in alimentary canal:
Under the guidance of imaging device, perform the following operation:
1) shape device is limited by dictyosome and send fixed device and extension fixture to the foreign matter near zone into alimentary canal together；
2) extension fixture is removed dictyosome and limits shape device by mobile dictyosome driver, and dictyosome is restored to shape memory, to digestion
Road forms expansion, forms fixed operation space；
3) by force pipe, fixed device is removed into dictyosome driver and is entered in fixed operation space, the first gripping finger is opened
Foreign matter is gripped with the second gripping finger；
4) dictyosome driver is recycled, dictyosome is contracted to foreign matter surface；
5) dictyosome limit shape device is exited, foreign body is completed.
Another preferred method is:
In step 3, foreign matter is clamped by the first sub-folder and the second sub-folder.It is applicable in the fixation of some longer foreign matters.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. clamp-type foreign body taking device, it is characterised in that: including fixing device, extension fixture and imaging device,
The fixed device includes shell, the first push rod, the second push rod, flexible flexible axle, main folder, the first sub-folder and the second sub-folder,
The main folder includes the first gripping finger and the second gripping finger,
The shell is a cavity thin walled shell,
The flexible flexible axle is arranged in the cavity of the shell,
One end of first push rod and the second push rod is provided with by flange raised radially outward, is provided on the flange
With the sealing ring of the mobile sealing of cavity inner wall of the shell, the shell is divided into three mutually independent chambers by two flanges
Room, three chambers pass through kinetic pump and are connected to external hydraulic medium, and the kinetic pump is electrically connected by conducting wire with external power supply
It connects,
The both ends of the flexible flexible axle are connect with two flanges respectively, form the elastic shaft of the scalable work in a both ends,
The other end of first push rod and the second push rod each extends over out shell, and the first gripping finger setting is prolonged in the first push rod
The end of one end of shell is stretched out, the end that the second push rod extends one end of shell is arranged in second gripping finger,
First sub-folder is arranged in the first gripping finger, and second sub-folder is arranged in the second gripping finger,
The extension fixture includes dictyosome, dictyosome driver and dictyosome limit shape device, and the dictyosome includes multiple into circle distribution
Dictyosome rib and the nethike embrane being connected between dictyosome rib, the dictyosome rib are made of memory material, and one end is along dictyosome
Radial direction bending outward and be shaped into zigzag, the step body for keeping the big one end in dictyosome one end small, the dictyosome driver with
The small end of step body is fixed, and the dictyosome limit shape device is provided with the limit shape hole that limit shape is carried out for the big end to step body.
The dictyosome driver is a hollow tube, and the fixed device is removably set on the dictyosome by walking mechanism and drives
In the inner hole of dynamic device.
The imaging device includes the display that the camera of dictyosome limit shape device front end is arranged in and is connect with camera by conducting wire
Device.
2. clamp-type foreign body taking device according to claim 1, it is characterised in that: the first sub-folder and the second sub-folder include
First pair refers to, the second pair refers to and clamp system, and first pair refers to that referring to the second pair includes that clamping part, driving portion and setting exist
Same rotary shafts are arranged in connecting hole between clamping part and driving portion, two connecting holes, and the first pair is made to refer to that refer to the second pair can
Rotation connection, the clamp system are arranged on driving portion, and the flexible flexible axle includes at least one section by spring or rubber strip system
At telescopic segment.
3. clamp-type foreign body taking device according to claim 2, it is characterised in that: the clamp system includes setting the
One pair refers to the first connecting rod group of side and the second connecting rod group that the second pair refers to side is arranged in, and the first connecting rod group and second connects
Bar group includes first connecting rod and the second connecting rod that is rotatably connected with first connecting rod by shaft, the other end of two first connecting rods
Rotatable respectively to be fixed on ipsilateral driving portion, the two second connecting rod other ends are rotatable to be fixed in same fixed column, described
Fixed column is fixed in gripping finger, and the clamp system further includes the force rope being arranged in the shaft.
4. clamp-type foreign body taking device according to claim 3, it is characterised in that: it further include force guiding mechanism, it is described
Force guiding mechanism includes the fixing seat for being in zigzag shape, the bracket of the fixing seat inner cavity is arranged in and is disposed side by side on bracket
Two guide rollers, a few word two sides of the fixing seat are fixed by fastener and gripping finger, and the bracket includes two pieces and presents and divide into
The level board set, two guide rollers it is parallel and it is rotatable be fixed between two level boards, the outer circumference surface of the guide roller
On be provided with the arc groove to concave, force rope guide groove is formed between two guide roller arc grooves.
5. clamp-type foreign body taking device according to claim 1, it is characterised in that: it is height that the nethike embrane, which is including internal layer,
Elastic polyethylene fiber and outer layer are the double-layer structure of plastic foil.
6. clamp-type foreign body taking device according to claim 1, it is characterised in that: the outer surface of the dictyosome driver is set
It is equipped with and the one-to-one fixing groove of dictyosome rib.
7. clamp-type foreign body taking device according to claim 1, it is characterised in that: the walking mechanism include guide holder and
One end is fixed on guide holder, the other end extends external force pipe, and the guide holder is slidably arranged in dictyosome driver
On inner hole wall, the control valve for controlling the kinetic pump is connected with external power source conducting wire and passes through force pipe setting.
8. clamp-type foreign body taking device according to claim 7, it is characterised in that: it further include media Containers, the medium
One end of container is connected to by pipeline with kinetic pump, and one end is fixed by fastener and the guide holder.
9. a kind of method of taking foreign body, it is characterised in that: filled using clamp-type taking foreign body a method as claimed in any one of claims 1-8
The taking foreign body in alimentary canal is set, under the guidance of imaging device, is performed the following operation:
1) shape device is limited by dictyosome and send fixed device and extension fixture to the foreign matter near zone into alimentary canal together；
2) extension fixture is removed dictyosome and limits shape device by mobile dictyosome driver, and dictyosome is restored to shape memory, to alimentary canal shape
At expansion, fixed operation space is formed；
3) by force pipe, fixed device is removed into dictyosome driver and is entered in fixed operation space, open the first gripping finger and the
Two gripping fingers grip foreign matter；
4) dictyosome driver is recycled, dictyosome is contracted to foreign matter surface；
5) dictyosome limit shape device is exited, foreign body is completed.
10. a kind of method of taking foreign body, it is characterised in that: filled using clamp-type taking foreign body a method as claimed in any one of claims 1-8
The taking foreign body in alimentary canal is set, under the guidance of imaging device, is performed the following operation:
1) shape device is limited by dictyosome and send fixed device and extension fixture to the foreign matter near zone into alimentary canal together；
2) extension fixture is removed dictyosome and limits shape device by mobile dictyosome driver, and dictyosome is restored to shape memory, to alimentary canal shape
At expansion, fixed operation space is formed；
3) by force pipe, fixed device is removed into dictyosome driver and is entered in fixed operation space, open the first sub-folder and the
Two sub-folders grip foreign matter；
4) dictyosome driver is recycled, dictyosome is contracted to foreign matter surface；
5) dictyosome limit shape device is exited, foreign body is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369452.XA CN110051414B (en) | 2019-05-05 | 2019-05-05 | Clamp type foreign matter taking device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369452.XA CN110051414B (en) | 2019-05-05 | 2019-05-05 | Clamp type foreign matter taking device and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110051414A true CN110051414A (en) | 2019-07-26 |
| CN110051414B CN110051414B (en) | 2020-05-05 |
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ID=67322180
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910369452.XA Expired - Fee Related CN110051414B (en) | 2019-05-05 | 2019-05-05 | Clamp type foreign matter taking device and method thereof |
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| Country | Link |
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| CN (1) | CN110051414B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1449621A1 (en) * | 2001-11-27 | 2004-08-25 | Mitsubishi Denki Kabushiki Kaisha | Electric tweezers |
| CN2649027Y (en) * | 2003-08-22 | 2004-10-20 | 祁志强 | Endoscope foreign-body protector |
| CN201683998U (en) * | 2010-05-20 | 2010-12-29 | 杭州康基医疗器械有限公司 | Trachea foreign body forceps |
| US20160166268A1 (en) * | 2014-12-11 | 2016-06-16 | Justin Charles TOPPINS | Device for removing a foreign object from a bodily orifice |
| CN206463048U (en) * | 2016-11-02 | 2017-09-05 | 王凤燕 | Image-guided lower foreign body in esophagus withdrawing device |
| CN107854167A (en) * | 2017-11-29 | 2018-03-30 | 新昌县时利和机械有限公司 | A kind of stomach foreign matter removal device |
| CN208551976U (en) * | 2017-09-13 | 2019-03-01 | 鹤壁市人民医院 | A kind of ear nose larynx protractor |
-
2019
- 2019-05-05 CN CN201910369452.XA patent/CN110051414B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1449621A1 (en) * | 2001-11-27 | 2004-08-25 | Mitsubishi Denki Kabushiki Kaisha | Electric tweezers |
| CN2649027Y (en) * | 2003-08-22 | 2004-10-20 | 祁志强 | Endoscope foreign-body protector |
| CN201683998U (en) * | 2010-05-20 | 2010-12-29 | 杭州康基医疗器械有限公司 | Trachea foreign body forceps |
| US20160166268A1 (en) * | 2014-12-11 | 2016-06-16 | Justin Charles TOPPINS | Device for removing a foreign object from a bodily orifice |
| CN206463048U (en) * | 2016-11-02 | 2017-09-05 | 王凤燕 | Image-guided lower foreign body in esophagus withdrawing device |
| CN208551976U (en) * | 2017-09-13 | 2019-03-01 | 鹤壁市人民医院 | A kind of ear nose larynx protractor |
| CN107854167A (en) * | 2017-11-29 | 2018-03-30 | 新昌县时利和机械有限公司 | A kind of stomach foreign matter removal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110051414B (en) | 2020-05-05 |
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