CN109965953A - Take sheet foreign matter apparatus and its method - Google Patents
Take sheet foreign matter apparatus and its method Download PDFInfo
- Publication number
- CN109965953A CN109965953A CN201910369451.5A CN201910369451A CN109965953A CN 109965953 A CN109965953 A CN 109965953A CN 201910369451 A CN201910369451 A CN 201910369451A CN 109965953 A CN109965953 A CN 109965953A
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- Prior art keywords
- dictyosome
- foreign matter
- driver
- fixed
- shell
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 50
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 210000001035 gastrointestinal tract Anatomy 0.000 claims abstract description 16
- 238000003698 laser cutting Methods 0.000 claims abstract description 14
- 238000003384 imaging method Methods 0.000 claims abstract description 11
- 238000000338 in vitro Methods 0.000 claims abstract description 4
- 238000004064 recycling Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- -1 Polyethylene Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 15
- 230000006872 improvement Effects 0.000 description 9
- 230000006378 damage Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000029087 digestion Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 208000014674 injury Diseases 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 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
- 210000004211 gastric acid Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 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
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910004337 Ti-Ni Inorganic materials 0.000 description 1
- 229910011209 Ti—Ni Inorganic materials 0.000 description 1
- 230000009471 action Effects 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
- 239000004744 fabric Substances 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000003292 glue Substances 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
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2816—Pivots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/285—Surgical forceps combined with cutting implements
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to one kind to take sheet foreign matter apparatus and its method; belong to the field of medical instrument technology; including fixed device, protective device, cutter device 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, and the protective device includes dictyosome, dictyosome driver and dictyosome limit shape device；The cutter device includes laser generator, laser cutting head and cutting driver, the laser cutting head is integrally disposed upon the lower section of the laser generator side, described cutting driver one end and the other side of laser generator are fixed, the other end extends in vitro, and the imaging device includes camera and display.One aspect of the present invention can cut foreign matter; so that its width is become smaller, to reduce the chance contacted with alimentary canal, on the other hand alimentary canal can be protected; sheet foreign matter is avoided directly to contact with digestive tract wall, thus to realize that noninvasive alimentary canal taking foreign body operation provides help.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of device that sheet foreign matter is taken in alimentary canal and its
Method.
Background technique
Enter alimentary canal from oral cavity and directly take out foreign matter, without opening up wound, procedure efficiency is high, restores fast, can also be substantially
The expenditure for reducing patient, is the preferential selection of most of patients.But this mode may also bring injury:
For some such as blades, iron block sheet foreign matter, the prior art is taken out using clamping device, due to the dress
No cutter device is set, the size of foreign matter can not be reduced, so that foreign matter is maintained original size, and without protective device to alimentary canal
Wall is protected, and blade may be contacted directly with digestive tract wall, since blade material is hard, and it is very sharp, during taking-up,
When moving in the alimentary canal of bending, more serious secondary injury may be caused to digestive tract wall.
In view of the above-mentioned problems, on the one hand foreign matter can be cut it is necessary to be improved to existing clamping device,
So that its width is become smaller, to reduce the chance contacted with alimentary canal, on the other hand alimentary canal can be protected, avoid sheet different
Object is directly contacted with digestive tract wall, to really realize noninvasive alimentary canal taking foreign body operation.
Summary of the invention
In view of this, the purpose of the present invention is to provide one kind to take sheet foreign matter apparatus and its method, to solve existing skill
The problem of art may cause secondary injury to digestive tract wall.
One of present invention is achieved through the following technical solutions:
Including fixing device, protective device, cutter device 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 protective device 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 cutter device includes laser generator, laser cutting head and cutting driver, the laser cutting head one
The lower section of the laser generator side is set, and the other side of described cutting driver one end and laser generator is fixed, separately
One end is extended in vitro, and the laser generator passes through the conducting wire being arranged in the cutting driver and is connected to external power supply,
It further include top protective cover and bottom protector, the top protective cover includes being rotatably disposed in the laser hair
The upper shell that cutting light source is blocked at the top of raw device, the bottom protector include setting below laser cutting head to cutting
The accumulator tank that particle is recycled is cut,
It further include the recycling driver that hoofing part is carried out to accumulator tank, described recycling driver one end and accumulator tank are solid
Fixed, the other end extends external setting,
It further include pre-receiving device, the pre-receiving device is the V-type plate for being connected to recycling front of the slot, and the V-type plate setting exists
The lower section of main folder；
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 walking mechanism includes the first guide holder and one end is fixed on the first guide holder, the other end extends
External force pipe out, first guide holder is slidably arranged on the inner hole wall of dictyosome driver, for controlling the power
The control valve of pump is connected with external power source conducting wire and 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 first guide holder.
Further, further include be arranged in the first guide holder far from shell one end be arranged the second guide holder, described second
The outer surface of guide holder and the inner wall of dictyosome driver are fixed, and are respectively arranged with and are cut outside driver and recycling driver thereon
The pilot hole that shape matches.
Further, the inner surface of the shell and accumulator tank is provided with one layer of laser protective film.
The two of the present invention are achieved through the following technical solutions:
A method of using sheet foreign matter apparatus taking foreign body in alimentary canal is taken as described above, in drawing for imaging device
It leads down, performs the following operation:
1) fixed device, cutter device and protective device are sent to foreign matter；
2) alimentary canal is expanded by protective device, and foreign matter and digestive tract wall is isolated；
3) two side grippers of foreign matter are fixed by two sub-folders；
4) foreign matter is cut by cutter device；
5) pre-receiving is carried out to cutting foreign matter by V-type plate；
6) cutting foreign matter is gripped by main folder；
7) dictyosome driver is recycled, volume is reduced；
8) 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
Road wall forms alimentary canal and expands, 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；
7, pre-receiving is carried out to cutting foreign matter by pre-receiving device, two foreign matter blocks is made to deposit overlap condition, convenient disposable folder
Hold fixation；
8, it by being arranged pre-receiving device below main folder, when main folder being facilitated to grip foreign matter, will not interfere.
In short, one aspect of the present invention can cut foreign matter, its width is made to become smaller, thus what reduction was contacted with alimentary canal
On the other hand chance can protect alimentary canal, sheet foreign matter is avoided directly to contact with digestive tract wall, to really realize nothing
Create the operation of alimentary canal taking foreign body, practical value with higher.
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 protective device；
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；
Figure 16 is the main view of cutter device；
Figure 17 is the side view of cutter device；
Figure 18 is schematic diagram when sub-folder fixes foreign matter；
Figure 19 is schematic diagram when cutter device cuts foreign matter；
Figure 20 is schematic diagram when cutter device cutting is completed；
Figure 21 is the bottom view of Figure 20；
Figure 22 is schematic diagram when cutter device leaves foreign matter；
Figure 23 is foreign matter by pre-receiving schematic diagram；
Figure 24 is the side view of Figure 23；
Figure 25 is the schematic diagram after foreign matter is fixed；
Figure 26 is the schematic diagram that foreign matter is detached from pre-receiving device.
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- protective device；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；The first guide holder of 49-；50- force pipe；51- limits shape hole；52- external power supply；
53- handlebar；54- operation button I；55- cutter device；56- laser generator；57- laser cutting head；58- cutting
Driver；Protective cover at the top of 59-；The bottom 60- protector；61- rotating electric machine；62- recycles driver；63-V template；
The second guide holder of 64-；65- operation button II；66- dictyosome drives end；67- force driving end；68- recycling driving end；
69- cutting driving end；70- cuts 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 26, the present embodiment provides a kind of clamp-type foreign body taking devices, including fixed device 37, protection
Device 38, cutter device 55 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.
Protective device 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.
Cutter device 55 includes laser generator 56, laser cutting head 57 and cutting driver 58, laser cutting head one
The lower section of laser generator side is set, and cutting driver is pipe structure, and one end setting is in laser generator far from sharp
On one end of light cutting head, the other end extends in vitro, and laser generator passes through the conducting wire being arranged in cutting driver and outer
Power supply connection in portion's provides electric energy by external power supply, and laser generator provides superlaser, and optically focused pair is cut by laser
Foreign matter is cut, and the cutting driver of the present embodiment is made of materials such as plastics or rubber, makes it have some strength,
When outside applies axial force, it can make to cut driver overall movement, and then drive laser generator, laser cutting head mobile, from
And realize the cutting in alimentary canal to foreign matter overall length.
It further include top protective cover 59 and bottom protector 60 in the present embodiment, top protective cover includes shell, and shell is logical
Cross that rotating electric machine 61 is rotatable to be fixed on laser generator, shell can be excellent for plane, cambered surface or other shaped faces, the present embodiment
It is selected as spherical crown shape, cutting light source can be blocked with can be realized compared with small area, making the angle of shell can by rotating electric machine
It adjusts, to prevent from interfering with foreign matter in operation, operating attitude can also be made more preferable, bottom protector includes accumulator tank, and accumulator tank is set
It sets below laser cutting head, cutting particle can be recycled, make to avoid pollution digestive tract environment, to avoid laser to human body
Width penetrate, the present embodiment is provided with one layer of laser protective film in the inner surface of shell and accumulator tank, membrane system by substrate (Sub),
Oxide membranous layer (H), membranous layer of silicon oxide (L) composition, carry out high reflection to laser, can avoid acting directly in tissue,
It causes to damage；It is prepared it is furthermore preferred that its membrane material can refer to patent CN107603481A, at this point, laser can be effectively absorbed,
It can be further reduced and the width of human body is penetrated.
In the present embodiment, further include to accumulator tank carry out hoofing part recycling driver 62, recycling driver one end with
Accumulator tank is fixed, and the other end extends external setting, and the recycling driver of the present embodiment is similar with cutting driver, also using modeling
The materials such as material or rubber are made, and have some strength, can move integrally under the effect of external force, and then it is sharp to drive accumulator tank to follow
Optical generator, laser cutting head are mobile, to realize the reception in cutting whole process.
It further include pre-receiving device in the present embodiment, the pre-receiving device is to be detachably secured to back by bolt or screw
The V-type plate 63 of front of the slot is received, and in the vertical direction, main folder is upper, and V-type plate is under.In this way, facilitating main folder on V-type plate
Side carries out clipping operation to foreign matter, without clipping on V-type plate.
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 that the front end of dictyosome limit shape device is arranged in device 48, protective device, cutter device and fixed device, the setting of handlebar 53 is limited in dictyosome
The rear end of shape device is provided with operation button I54, the operation button II65 of main folders and sub-folders on handlebar.Operation button I and dynamic
The control valve of power pump is electrically connected, and then controls power pump work, operation button II and force rope connection, controls two sub-folders
Opening and closing operations.
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.
In the present embodiment, rear end is additionally provided with dictyosome driving end 66, force driving end 67, recycling driving end on handlebar
68 drive end 69 with cutting.Dictyosome limit shape device is socketed on dictyosome driving end 66, and dictyosome driving end cap is connected to force driving end 67, applies
Power drive end cap is connected to recycling driving end 68, and recycling driving end cap is connected to cutting driving end 69, and four can operate independently of each other,
It can be driven simultaneously by lever.
In the present embodiment, cutting button 70 is additionally provided on handlebar, cutting button passes through conducting wire and laser generator
It is electrically connected, and then cutting operation is controlled.
Compared with the existing technology, the present embodiment has the advantage that
1, foreign matter can be clamped by the first push rod and the second push rod in parallel, it is sliding so as to reduce foreign matter without angle change
Probability out；
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
Road wall forms alimentary canal and expands, 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；
7, pre-receiving is carried out to cutting foreign matter by pre-receiving device, two foreign matter blocks is made to deposit overlap condition, convenient disposable folder
Hold fixation；
8, it by being arranged pre-receiving device below main folder, when main folder being facilitated to grip foreign matter, will not interfere.
In short, on the one hand the present embodiment can cut foreign matter, its width is made to become smaller, is contacted to reduce with alimentary canal
Chance, on the other hand alimentary canal can be protected, sheet foreign matter is avoided directly to contact with digestive tract wall, to really realize
Noninvasive alimentary canal taking foreign body operation, practical value with higher.
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 include the first guide holder 49 and one end be fixed on the first guide holder,
The other end extends external force pipe 50, and the outer surface of the first guide holder and the inner hole of dictyosome driver are slidably matched, and makes it
It can be slided along dictyosome driver inner hole, realize guiding.
Meanwhile first is additionally provided with cutting driving pilot hole I and recycling driving cutting drive hole I on guide holder.It can be to cutting
It cuts driver and recycling driver carries out first time guiding.
Likewise, force pipe is also made of plastics or rubber, there is certain intensity and elasticity, the first guiding can be driven
Seat is advanced.
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 the second guide holder that the one end of the first guide holder far from shell is set as the improvement of the present embodiment
64, the outer surface of the second guide holder and the inner wall of dictyosome driver are fixed, and are respectively arranged with thereon and cutting driver and recycling
The cutting driving pilot hole II and recycling driving cutting drive hole II that driver shape matches.Cutting driver and recycling are driven
Dynamic device carries out second and is oriented to, and can prevent from deforming, be stuck, keep operation more smooth.
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. and the first guide holder.
It is a kind of using the side for taking sheet foreign matter apparatus taking foreign body in alimentary canal as described above as shown in Figure 18 to Figure 26
Method performs the following operation under the guidance of imaging device:
1) limiting shape device by dictyosome send together into alimentary canal foreign matter attached fixed device, cutter device and protective device
Closely；
2) protective device is removed dictyosome and limits shape device by mobile dictyosome driver, and dictyosome is restored to shape memory, to digestion
Road forms expansion, and foreign matter and digestive tract wall is isolated；
3) by force pipe, fixed device is removed into dictyosome driver and is fixed, pass through operation button adjustment the
The distance of one gripping finger and the second gripping finger, and there are two sub-folders to grip two sides of foreign matter, as shown in figure 18, clamping
Be conducive to respectively under the effect of gravity, fall into pre-receiving device after foreign matter is cut into two pieces in two sides of foreign matter；
4) it completes after fixing, while mobile cutting driver and recycling driver, when getting close to foreign matter, starting cutter device
It is cut, cutter device continues to move at this time, the cutting of the side Bian Yidong, after the completion of cutting, closes cutter device, and stop cutting
Driver is cut, as shown in Figure 19, Figure 20 and Figure 21；
5) cutting driver and recycling driver are slowly retracted, after foreign matter leaves cutter device completely, cuts driver
Stop movement with recycling driver, unclamps two sub-folders, foreign matter is fallen under the effect of gravity in the V-type plate of pre-receiving device, and in V-type
Under the action of plate, the bottom of two sides foreign matter is in squeezed state, and top is overturn to middle part, makes two sides foreign matter state in an overlapping substantially；
As shown in Figure 22, Figure 23, Figure 24；
6) continue to retract cutting driver and recycling driver, when V-type plate is completely into main folder range, cut driver
Stop movement with recycling driver, overlapping foreign matter is gripped by main folder, as shown in figure 25；
7) dictyosome driver is recycled, dictyosome is contracted to foreign matter surface or apparatus surface；
8) dictyosome limit shape device is exited, completes foreign body, as shown in figure 26.
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. taking sheet foreign matter apparatus, it is characterised in that: including fixing device, protective device, cutter device 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 protective device 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 cutter device includes that laser generator, laser cutting head and cutting driver, the laser cutting head are wholely set
In the lower section of the laser generator side, the other side of described cutting driver one end and laser generator is fixed, the other end
Extending in vitro, the laser generator passes through the conducting wire being arranged in the cutting driver and is connected to external power supply,
It further include top protective cover and bottom protector, the top protective cover includes being rotatably disposed in the laser generator
The shell blocked on top to cutting light source, the bottom protector include that setting is micro- to cutting below laser cutting head
The accumulator tank that grain is recycled,
It further include the recycling driver that hoofing part is carried out to accumulator tank, described recycling driver one end is fixed with accumulator tank, separately
External setting is extended in one end,
It further include pre-receiving device, the pre-receiving device is the V-type plate for being connected to recycling front of the slot, and the V-type plate is arranged in main folder
Lower section；
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. according to claim 1 take sheet foreign matter apparatus, it is characterised in that: the first sub-folder and the second sub-folder include
One 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 are being pressed from both sides
The connecting hole between portion and driving portion is held, two connecting holes are arranged same rotary shaft, refer to the first pair and refer to the second pair and can revolve
Turn connection, the clamp system is arranged on driving portion, and the flexible flexible axle includes at least one section and is made of spring or rubber strip
Telescopic segment.
3. according to claim 2 take sheet foreign matter apparatus, it is characterised in that: the clamp system includes being arranged first
Pair refers to the first connecting rod group of side and the second connecting rod group that the second pair refers to side, the first connecting rod group and second connecting rod is arranged in
Group is including first connecting rod and the second connecting rod being rotatably connected with first connecting rod by shaft, the other end point of two first connecting rods
Not rotatable to be fixed on ipsilateral driving portion, the two second connecting rod other ends are rotatable to be fixed in same fixed column, described solid
Fixed column is fixed in gripping finger, and the clamp system further includes the force rope being arranged in the shaft.
4. according to claim 3 take sheet foreign matter apparatus, it is characterised in that: it further include force guiding mechanism, it is described to apply
Power 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
A few word two sides of two guide rollers, the fixing seat are fixed by fastener and gripping finger, and the bracket includes two pieces in setting up and down
Level board, two guide rollers it is parallel and it is rotatable be fixed between two level boards, on the outer circumference surface of the guide roller
It is provided with the arc groove to concave, forms force rope guide groove between two guide roller arc grooves.
5. according to claim 1 take sheet foreign matter apparatus, it is characterised in that: the nethike embrane be include internal layer be high resiliency
Polyethylene fiber and outer layer are the double-layer structure of plastic foil.
6. according to claim 1 take sheet foreign matter apparatus, it is characterised in that: the walking mechanism includes the first guide holder
Be fixed on the first guide holder with one end, the other end extends external force pipe, first guide holder is slidably arranged in net
On the inner hole wall of body driver, the control valve for controlling the kinetic pump is connected with external power source conducting wire and sets across force pipe
It sets.
7. according to claim 6 take sheet foreign matter apparatus, it is characterised in that: further include media Containers, the medium holds
One end of device is connected to by pipeline with kinetic pump, and one end is fixed by fastener and first guide holder.
8. according to claim 6 take sheet foreign matter apparatus, it is characterised in that: further include that setting is separate in the first guide holder
Second guide holder of one end setting of shell, the outer surface of second guide holder and the inner wall of dictyosome driver are fixed, thereon
It is respectively arranged with the pilot hole to match with cutting driver and recycling driver shape.
9. according to claim 1 take sheet foreign matter apparatus, it is characterised in that: the inner surface of the shell and accumulator tank is equal
It is provided with one layer of laser protective film.
10. a kind of method for taking sheet foreign matter apparatus taking foreign body in alimentary canal using as described in claim 1-9 is any,
It is characterized by: being performed the following operation under the guidance of imaging device:
1) fixed device, cutter device and protective device are sent to foreign matter；
2) alimentary canal is expanded by protective device, and foreign matter and digestive tract wall is isolated；
3) two side grippers of foreign matter are fixed by two sub-folders；
4) foreign matter is cut by cutter device；
5) pre-receiving is carried out to cutting foreign matter by V-type plate；
6) cutting foreign matter is gripped by main folder；
7) dictyosome driver is recycled, volume is reduced；
8) dictyosome limit shape device is exited, foreign body is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369451.5A CN109965953B (en) | 2019-05-05 | 2019-05-05 | Sheet foreign matter taking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369451.5A CN109965953B (en) | 2019-05-05 | 2019-05-05 | Sheet foreign matter taking device and method |
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| CN109965953A true CN109965953A (en) | 2019-07-05 |
| CN109965953B CN109965953B (en) | 2020-03-10 |
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| CN201910369451.5A Expired - Fee Related CN109965953B (en) | 2019-05-05 | 2019-05-05 | Sheet foreign matter taking device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113016728A (en) * | 2021-02-04 | 2021-06-25 | 徐鹏 | Easily-operated separation device capable of positioning lead block of shrimp cage |
| WO2021136210A1 (en) * | 2019-12-30 | 2021-07-08 | 杭州诺茂医疗科技有限公司 | Removal device |
| WO2021136203A1 (en) * | 2019-12-30 | 2021-07-08 | 杭州诺茂医疗科技有限公司 | Lead extraction apparatus |
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| CN208591113U (en) * | 2018-04-03 | 2019-03-12 | 田静 | A kind of Novel pediatric clearing of respiratory tract device |
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| CN203763204U (en) * | 2014-04-17 | 2014-08-13 | 青岛市第三人民医院 | Novel removal device for foreign bodies in respiratory tract |
| CN205031344U (en) * | 2015-09-10 | 2016-02-17 | 温州芳植生物科技有限公司 | Respiratory track foreign matter cleaning device |
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| CN109562268A (en) * | 2016-05-25 | 2019-04-02 | 美敦力公司 | The withdrawal of insertion type medical device |
| CN108451586A (en) * | 2018-03-30 | 2018-08-28 | 郑兴厂 | Special respiratory tract foreign matter extractor of portable paediatrics |
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| WO2021136210A1 (en) * | 2019-12-30 | 2021-07-08 | 杭州诺茂医疗科技有限公司 | Removal device |
| WO2021136203A1 (en) * | 2019-12-30 | 2021-07-08 | 杭州诺茂医疗科技有限公司 | Lead extraction apparatus |
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| CN113016728B (en) * | 2021-02-04 | 2023-01-13 | 张晓霞 | Easily-operated separation device capable of positioning lead block of shrimp cage |
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| CN109965953B (en) | 2020-03-10 |
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Granted publication date: 20200310 |