CN106420071B - A kind of gastrointestinal surgery auxiliary frame - Google Patents
A kind of gastrointestinal surgery auxiliary frame Download PDFInfo
- Publication number
- CN106420071B CN106420071B CN201611112424.2A CN201611112424A CN106420071B CN 106420071 B CN106420071 B CN 106420071B CN 201611112424 A CN201611112424 A CN 201611112424A CN 106420071 B CN106420071 B CN 106420071B
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Abstract
The present invention provides a kind of gastrointestinal surgery auxiliary frames, it including support plate, mounting rack, rack gear, gear, motor, pedestal, braking sleeve and is respectively used to that the hexagon socket head cap screw of the motor, the brake is installed, the mounting plate is equipped with the directive wheel for connecting with the support plate with the opposite end of the backup plate connecting pin；The brake is equipped with putting hole, and electromagnet is symmetricly set on the brake two sides；The brake(-holder) block is wrapped in the braking sleeve peripheral wall；The gear is mounted between the symmetrically arranged mounting plate by the output shaft and is meshed with the rack gear；The guide rod penetrates the pilot hole and extends in guide fixing hole, and the nut is installed on the guide rod and is separately positioned on the top and bottom end of top plate.The present invention has the advantages that easy to use and compact-sized, can play the role of support to clinician body during operation, therefore reducing fatigue caused by surgical procedure can be improved procedure efficiency and quality.
Description
Technical field
The present invention relates to medical instruments field, specifically a kind of gastrointestinal surgery auxiliary frame.
Background technique
Gastrointestinal procedures are clinically common treatment methods, since the duration is longer in severe surgical procedure, and
With caution, doctor stands for a long time will cause waist, leg and neck fatigue for operation, influence procedure efficiency and quality, over time
It will affect the health of doctor, therefore, a kind of above-mentioned deficiency of gastrointestinal surgery auxiliary frame solution be set.
Summary of the invention
The technical problem to be solved by the present invention is support can be played the role of to clinician body during operation, thus
It can reduce doctor's degree of fatigue, improve procedure efficiency and quality.
The technical solution adopted by the present invention to solve the technical problems is:
In a specific embodiment, a kind of gastrointestinal surgery auxiliary frame, including support plate, mounting rack, tooth are provided
It item, gear, motor, hydraulic cylinder, brake, guide rod, pedestal, braking sleeve and is respectively used to that the motor, the braking are installed
The hexagon socket head cap screw of device, the nut for installing the guide rod and the bolt for installing the hydraulic cylinder, the support plate one
End is provided with the mounting groove for installing the rack gear and is symmetricly set on the guide groove of the mounting groove two sides, the branch
The placing groove for placing neck is equipped at the top of fagging；The mounting rack includes backup plate and setting in described backup plate one end and right
Claim the mounting plate of setting, the mounting rack further includes the lower connecting plate that the mounting plate bottom is arranged in, and the mounting plate is all provided with
There is axis hole, the first threaded hole for installing the motor be provided with around the axis hole of the mounting plate of one side,
The second threaded hole for installing the hydraulic cylinder, the mounting plate are provided with around the axis hole of mounting plate described in the other side
The pilot hole for installing the guide rod is offered with connecting plate, the connecting plate bottom is additionally provided with described hydraulic for installing
The third threaded hole of cylinder, the mounting plate and the opposite end of the backup plate connecting pin are equipped with for connecting with the support plate
Directive wheel, the directive wheel are mounted in the guide groove and can roll in the guide groove, and the hexagon socket head cap screw is worn
It crosses the first mounting hole that the motor is equipped with and screws in the peace that the motor is fixed on to the side in first threaded hole
In loading board；The hexagon socket head cap screw passes through the second mounting hole that the brake is equipped with and screws in two threaded hole will be described
Brake is fixed on the mounting plate of the other side；The brake is equipped with putting hole, and electromagnet is symmetricly set on the system
Device two sides are moved, the brake(-holder) block being connected with electromagnet is installed in the putting hole；The output shaft that the motor is equipped with passes through institute
State that axis hole extends in the putting hole and shaft end is equipped with braking sleeve, the brake(-holder) block is wrapped in the braking sleeve peripheral wall；Institute
Gear is stated to be mounted between the symmetrically arranged mounting plate by the output shaft and be meshed with the rack gear；The liquid
Terminal pad is equipped at the top of cylinder pressure, the terminal pad is connected with the lower connecting plate, and the bolt passes through the terminal pad and revolves
Enter third threaded hole and the hydraulic cylinder is fixed on mounting rack, the hydraulic cylinder bottom is connected by the bolt with the pedestal
It connects；The pedestal includes supporting leg and the top plate being arranged at the top of supporting leg and the balancing disk that supporting leg bottom is arranged in, the top plate
Equipped with the guide fixing hole for fixing the guide rod, the guide rod penetrates the pilot hole and extends in guide fixing hole,
The nut is installed on the guide rod and is separately positioned on the top and bottom end of top plate.
Preferably, the support plate is arc plate structure, the arc plate structure includes concave ends and convex surface end, described
Mounting groove and the guide groove are arranged along the concave ends, and the rack gear is fixed in the mounting groove by sunk screw,
The guide groove is T-slot structure.
Preferably, the convex surface end is enclosed with sponge, the sponge is fixed on the support plate using velcro.
Preferably, being equipped with linear bearing in the pilot hole, the guide rod is mounted on institute by the linear bearing
It states in pilot hole.
Preferably, the braking sleeve peripheral wall is uniformly arranged with semi-circular groove structure, the brake(-holder) block is arc-shaped structure,
The brake(-holder) block inner wall is equipped with the semicircle fin structure for cooperating with the semi-circular groove structure, and the electromagnet pulls institute
Brake(-holder) block movement is stated, when the solenoid is energized, brake(-holder) block and braking sleeve are detached from, when the electromagnet is powered off, brake(-holder) block package braking
Set.
Preferably, the supporting leg is pyramidal structure, the top plate is supported towards support plate end and balancing disk direction
Plate end is plane end structure.
Preferably, the guide rod and the top plate connecting pin are equipped with the helicitic texture for installing the nut.
Preferably, the supporting leg is hollow structure, it is equipped in the hollow structure and is connected with the hydraulic cylinder
Hydraulic pump and oil storage tank.
Preferably, the mounting rack is equipped with control circuit, the motor and brake are connected with control circuit respectively
It connects, the control circuit includes circuit for controlling motor and brake control circuit, makes motor energization synchronous with brake or power-off.
The invention has the advantages that the present invention have the advantages that it is easy to use and compact-sized, can be to surgical procedure
Middle clinician body plays the role of support, reduces fatigue caused by surgical procedure, and convenient for adjusting, it is empty can to save placement
Between, the doctor suitable for long-term surgery therapeutic process uses, and therefore, can be improved procedure efficiency and quality.The present invention is suitable
In marketing and use.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is schematic perspective view provided by the embodiment of the present invention；
Fig. 2 is schematic view of the front view provided by the embodiment of the present invention；
Fig. 3 is decomposition texture schematic diagram provided by the embodiment of the present invention；
Fig. 4 is supporting plate structure schematic diagram provided by the embodiment of the present invention；
Fig. 5 is mounting rack structural schematic diagram provided by the embodiment of the present invention；
Fig. 6 is brake structural schematic diagram provided by the embodiment of the present invention；
Fig. 7 is schematic diagram of base structure provided by the embodiment of the present invention；
In figure: 1. support plates, 1.1. guide groove, 1.2. mounting groove, 1.3. placing groove, 2. mounting racks, 2.1. backup plate, 2.2.
Mounting plate, 2.21. axis hole, the first threaded hole of 2.22., the second threaded hole of 2.23., 2.24. pilot hole, 2.3. lower connecting plate,
2.31. third threaded hole, 2.4. directive wheel, 3. rack gears, 4. gears, 5. motors, the first mounting hole of 5.1., 5.2. output shaft, 6.
Hydraulic cylinder, 6.1. terminal pad, 7. brakes, 7.1. putting hole, 7.2. brake(-holder) block, 7.3. electromagnet, the second mounting hole of 7.4., 8.
Guide rod, 9. pedestals, 9.1. supporting leg, 9.2. balancing disk, 9.3. top plate, 9.31. guide fixing hole, 10. braking sleeves, hexagonal in 11.
Bolt, 12. nuts, 13. bolts.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The present invention is not intended to limit the scope of the invention.Implementation condition used in the examples can be done according to the condition of specific producer into
One successive step, the implementation condition being not specified are usually the condition in routine experiment.
As shown in Fig. 1-Fig. 7, Fig. 1 is schematic perspective view provided by the embodiment of the present invention, and Fig. 2 is implementation of the present invention
Schematic view of the front view provided by example, Fig. 3 are decomposition texture schematic diagrams provided by the embodiment of the present invention, and Fig. 4 is the present invention
Supporting plate structure schematic diagram provided by embodiment, Fig. 5 are mounting rack structural schematic diagram provided by the embodiment of the present invention, Fig. 6
It is brake structural schematic diagram provided by the embodiment of the present invention, Fig. 7 is the signal of understructure provided by the embodiment of the present invention
Figure.
In a specific embodiment, provide a kind of gastrointestinal surgery auxiliary frame, including support plate 1, mounting rack 2,
It rack gear 3, gear 4, motor 5, hydraulic cylinder 6, brake 7, guide rod 8, pedestal 9, braking sleeve 10 and is respectively used to that the electricity is installed
Machine 5, the hexagon socket head cap screw 11 of the brake 7, the nut 12 for installing the guide rod 8 and for installing the hydraulic cylinder 6
Bolt 13,1 one end of support plate is provided with the mounting groove 1.2 for installing the rack gear 3 and is symmetricly set on institute
The guide groove 1.1 of 1.2 two sides of mounting groove is stated, the placing groove 1.3 for placing neck is equipped at the top of the support plate 1；The peace
Shelving 2 includes backup plate 2.1 and setting in described 2.1 one end of backup plate and symmetrically arranged mounting plate 2.2, and the mounting rack 2 is also
Lower connecting plate 2.3 including 2.2 bottom of mounting plate is arranged in, the mounting plate 2.2 are equipped with axis hole 2.21, one side
The first threaded hole 2.22 for installing the motor 5 is provided with around the axis hole 2.21 of the mounting plate 2.2, it is another
The second threaded hole 2.23 for installing the hydraulic cylinder 6, institute are provided with around the axis hole 2.21 of mounting plate 2.2 described in side
It states mounting plate 2.2 and connecting plate 2.3 offers pilot hole 2.24 for installing the guide rod 8,2.3 bottom of connecting plate
It is additionally provided with the third threaded hole 2.31 for installing the hydraulic cylinder 6, the mounting plate 2.2 and 2.1 connecting pin of backup plate
Opposite end is equipped with the directive wheel 2.4 for connecting with the support plate 1, and the directive wheel 2.4 is mounted on the guide groove 1.1
Interior and can roll in the guide groove 1.1, the hexagon socket head cap screw 11 passes through the first mounting hole that the motor 5 is equipped with
It 5.1 and screws in first threaded hole 2.22 motor 5 is fixed on the mounting plate 2.2 of the side；Six in described
Corner bolt 11 passes through the second mounting hole 7.4 that the brake 7 is equipped with and screws in the braking in two threaded hole 2.23
Device 7 is fixed on the mounting plate 2.2 of the other side；The brake 7 is equipped with putting hole 7.1, and electromagnet 7.3 is symmetricly set on
7 two sides of brake are equipped with the brake(-holder) block 7.2 being connected with electromagnet 7.3 in the putting hole 7.1；The motor 5 is set
Some output shafts 5.2 extend in the putting hole 7.1 across the axis hole 2.21 and shaft end is equipped with braking sleeve 10, the system
Movable plate 7.2 is wrapped in 10 peripheral wall of braking sleeve；The gear 4 is mounted on described symmetrically arranged by the output shaft 5.2
It is meshed between mounting plate 2.2 and with the rack gear 3；Terminal pad 6.1, the terminal pad 6.1 are equipped at the top of the hydraulic cylinder 6
It is connected with the lower connecting plate 2.3, the bolt 13 passes through the terminal pad 6.1 and screws in third threaded hole 2.31 will be described
Hydraulic cylinder 6 is fixed on mounting rack 2, and 6 bottom of hydraulic cylinder is connected by the bolt 13 with the pedestal 9；The pedestal 9
It is described including supporting leg 9.1 and the top plate 9.3 that 9.1 top of supporting leg is arranged in and the balancing disk 9.2 that 9.1 bottom of supporting leg is arranged in
Top plate 9.3 is equipped with the guide fixing hole 9.31 for fixing the guide rod 8, and the guide rod 8 penetrates the pilot hole 2.24 and prolongs
It extends in guide fixing hole 9.31, the nut 12 is installed on the guide rod 8 and is separately positioned on the top and bottom of top plate 9.3
End.
Preferably, the support plate 1 is arc plate structure, the arc plate structure includes concave ends and convex surface end, institute
It states mounting groove 1.2 and the guide groove 1.1 to be arranged along the concave ends, the rack gear 3 is fixed on described by sunk screw
In mounting groove 1.2, the guide groove 1.1 is T-slot structure, can be convenient for the positioning of the support plate 1 and the directive wheel 2.4
Installation realizes that support plate 1 can be moved along guide groove 1.1, therefore, the adjusting of angle during being easy to use.
Preferably, the convex surface end is enclosed with sponge, the sponge is fixed on the support plate 1 using velcro, mentions
High comfort, and it is convenient for the replacement and cleaning of sponge.
Preferably, being equipped with linear bearing in the pilot hole 2.24, the guide rod 8 is installed by the linear bearing
In the pilot hole 2.24, therefore, the exactly guiding of mounting rack 2 can be realized.
Preferably, 10 peripheral wall of braking sleeve is uniformly arranged with semi-circular groove structure, the brake(-holder) block 7.2 is arc-shaped
Structure, 7.2 inner wall of brake(-holder) block are equipped with the semicircle fin structure for cooperating with the semi-circular groove structure, the electromagnetism
Iron 7.3 pulls the brake(-holder) block 7.2 to move, and when electromagnet 7.3 is powered, brake(-holder) block 7.2 and braking sleeve 10 are detached from, and works as electromagnet
When 7.3 power-off, brake(-holder) block 7.2 wraps up braking sleeve 10, brakes gear 4, realizes the fixation of support plate 1.
Preferably, the supporting leg 9.1 is pyramidal structure, the top plate 9.3 is towards 1 end of support plate and the balancing disk
9.2 towards 1 end of support plate be plane end structure, and the pyramidal structure can be improved the shelf-stability of pedestal 9, the plane
End structure can be avoided foot and interfere with balancing disk 9.2, convenient for human body close to support plate 1, improve ease of use.
Preferably, the guide rod 8 is equipped with the screw thread knot for installing the nut 12 with 9.3 connecting pin of top plate
Structure can be convenient for the adjusting and fixation of 8 installation site of guide rod.
Preferably, the supporting leg 9.1 is hollow structure, it is equipped in the hollow structure and is connected with the hydraulic cylinder 6
Therefore the hydraulic pump and oil storage tank connect can make equipment overall structure compact, save placement space.
Preferably, the mounting rack 2 is equipped with control circuit, the motor 5 and brake 7 respectively with control circuit phase
Connection, the control circuit include circuit for controlling motor and brake control circuit, make motor 5 it is synchronous with brake 7 be powered or
The adjusting of 1 angle of support plate is realized in power-off.
Support plate 1, the side placed the device in where operating table doctor first and is equipped with by specific work process
Support plate 1 in surgical procedure, can be supported on the thorax abdomen of doctor, and can adjust by motor 5 towards doctor by sponge end
The angle for saving support plate 1, the height of support plate 1 can be adjusted by hydraulic cylinder 6, thus increase device versatility and practicability,
Therefore, support can be played the role of in surgical procedure to clinician body, reduce fatigue caused by long-term surgery, improve operation
Efficiency and quality.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (1)
1. a kind of gastrointestinal surgery auxiliary frame, including support plate, mounting rack, rack gear, gear, motor, hydraulic cylinder, brake,
Guide rod, pedestal, braking sleeve and being respectively used to install the hexagon socket head cap screw, described for installing of the motor, the brake
The nut of guide rod and bolt for installing the hydraulic cylinder, which is characterized in that the support plate one end is provided with for pacifying
The guide groove for filling the mounting groove of the rack gear and being symmetricly set on the mounting groove two sides, the support plate top, which is equipped with, to be used for
Place the placing groove of neck；The mounting rack includes backup plate and is arranged in described backup plate one end and symmetrically arranged mounting plate,
The mounting rack further includes the lower connecting plate that the mounting plate bottom is arranged in, and the mounting plate is equipped with axis hole, one side
The first threaded hole for installing the motor, mounting plate described in the other side are provided with around the axis hole of the mounting plate
The axis hole around be provided with the second threaded hole for installing the hydraulic cylinder, the mounting plate and connecting plate offer
For installing the pilot hole of the guide rod, the connecting plate bottom is additionally provided with the third threaded hole for installing the hydraulic cylinder,
The mounting plate is equipped with the directive wheel for connecting with the support plate, the guiding with the opposite end of the backup plate connecting pin
Wheel is mounted in the guide groove and can roll in the guide groove, and the hexagon socket head cap screw passes through what the motor was equipped with
The motor is fixed on the mounting plate of the side by the first mounting hole and screwing in first threaded hole；The interior hexagonal
Bolt pass through the second mounting hole for being equipped with of the brake and screw in two threaded hole brake is fixed on it is described
On the mounting plate of the other side；The brake is equipped with putting hole, and electromagnet is symmetricly set on the brake two sides, the placement
The brake(-holder) block being connected with electromagnet is installed in hole；The output shaft that the motor is equipped with passes through the axis hole and extends to described put
It sets in hole and shaft end is equipped with braking sleeve, the brake(-holder) block is wrapped in the braking sleeve peripheral wall；The gear passes through the output
Axis is mounted between the symmetrically arranged mounting plate and is meshed with the rack gear；Connection is equipped at the top of the hydraulic cylinder
Disk, the terminal pad are connected with the lower connecting plate, and the bolt passes through the terminal pad and screws in third threaded hole for institute
It states hydraulic cylinder and is fixed on mounting rack, the hydraulic cylinder bottom is connected by the bolt with the pedestal；The pedestal includes
Supporting leg and the top plate being arranged at the top of supporting leg and the balancing disk that supporting leg bottom is arranged in, the top plate are equipped with for described in fixation
The guide fixing hole of guide rod, the guide rod penetrate the pilot hole and extend in guide fixing hole, and the nut is installed on institute
It states guide rod and is separately positioned on the top and bottom end of top plate；
The support plate is arc plate structure, and the arc plate structure includes concave ends and convex surface end, the mounting groove and described
Guide groove is arranged along the concave ends, and the rack gear is fixed in the mounting groove by sunk screw, and the guide groove is T
Type groove structure；
The convex surface end is enclosed with sponge, and the sponge is fixed on the support plate using velcro；
Linear bearing is installed, the guide rod is mounted in the pilot hole by the linear bearing in the pilot hole；
The braking sleeve peripheral wall is uniformly arranged with semi-circular groove structure, and the brake(-holder) block is arc-shaped structure, in the brake(-holder) block
Wall is equipped with the semicircle fin structure for cooperating with the semi-circular groove structure, and the electromagnet pulls the brake(-holder) block fortune
Dynamic, when the solenoid is energized, brake(-holder) block and braking sleeve are detached from, and when the electromagnet is powered off, brake(-holder) block wraps up braking sleeve；
The supporting leg is pyramidal structure, the top plate towards support plate end and the balancing disk towards support plate end be planar ends
Structure；
The guide rod and the top plate connecting pin are equipped with the helicitic texture for installing the nut；
The supporting leg is hollow structure, is equipped with the hydraulic pump being connected with the hydraulic cylinder and oil storage in the hollow structure
Tank；
The mounting rack is equipped with control circuit, and the motor and brake are connected with control circuit respectively, the control electricity
Road includes circuit for controlling motor and brake control circuit, makes motor energization synchronous with brake or power-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112424.2A CN106420071B (en) | 2016-12-07 | 2016-12-07 | A kind of gastrointestinal surgery auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112424.2A CN106420071B (en) | 2016-12-07 | 2016-12-07 | A kind of gastrointestinal surgery auxiliary frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106420071A CN106420071A (en) | 2017-02-22 |
| CN106420071B true CN106420071B (en) | 2019-02-01 |
Family
ID=58216257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611112424.2A Expired - Fee Related CN106420071B (en) | 2016-12-07 | 2016-12-07 | A kind of gastrointestinal surgery auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106420071B (en) |
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| CN203074885U (en) * | 2013-02-20 | 2013-07-24 | 崔庆 | Auxiliary frame for gastrointestinal surgical operation |
| CN103919610A (en) * | 2014-04-25 | 2014-07-16 | 哈尔滨工程大学 | Multi-freedom-degree minimally-invasive-surgery instrument-holding arm structure |
| CN204364142U (en) * | 2015-01-02 | 2015-06-03 | 刘峰 | A kind of gastrointestinal surgery auxiliary frame |
| CN204446488U (en) * | 2015-03-02 | 2015-07-08 | 青岛市市立医院 | The intestines and stomach inspection upper limbs support |
| US9161819B2 (en) * | 2013-03-15 | 2015-10-20 | Alan Magelund | Adjustable support apparatus and method of using same |
| CN205107922U (en) * | 2015-11-23 | 2016-03-30 | 刘冲 | Stomach enterochirurgia auxiliary frame of performing operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8070221B2 (en) * | 2007-08-21 | 2011-12-06 | Ethos Surgical, Llc | Operating support for surgeons |
| US20110163577A1 (en) * | 2010-01-07 | 2011-07-07 | Innovative Medical Systems Gp | Surgeon chair system |
| JP5848203B2 (en) * | 2012-07-13 | 2016-01-27 | 株式会社デンソー | Body support device |
| US20150123432A1 (en) * | 2013-11-01 | 2015-05-07 | Robert Carl Ray | Surgeon's Assistant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005023072A1 (en) * | 2003-09-04 | 2005-03-17 | Brian James | Upper-body support device and method |
| WO2011078813A1 (en) * | 2009-12-22 | 2011-06-30 | Celik Tunc | A support device that provides supporting of the arm of the operator |
| CN202714920U (en) * | 2012-05-15 | 2013-02-06 | 冯小庆 | Auxiliary bracket for brain surgery |
| CN203074885U (en) * | 2013-02-20 | 2013-07-24 | 崔庆 | Auxiliary frame for gastrointestinal surgical operation |
| US9161819B2 (en) * | 2013-03-15 | 2015-10-20 | Alan Magelund | Adjustable support apparatus and method of using same |
| CN103919610A (en) * | 2014-04-25 | 2014-07-16 | 哈尔滨工程大学 | Multi-freedom-degree minimally-invasive-surgery instrument-holding arm structure |
| CN204364142U (en) * | 2015-01-02 | 2015-06-03 | 刘峰 | A kind of gastrointestinal surgery auxiliary frame |
| CN204446488U (en) * | 2015-03-02 | 2015-07-08 | 青岛市市立医院 | The intestines and stomach inspection upper limbs support |
| CN205107922U (en) * | 2015-11-23 | 2016-03-30 | 刘冲 | Stomach enterochirurgia auxiliary frame of performing operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106420071A (en) | 2017-02-22 |
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