CN109965937A - A kind of multi-faceted ball-handling head and the non-hand held electric drill for medical treatment - Google Patents
A kind of multi-faceted ball-handling head and the non-hand held electric drill for medical treatment Download PDFInfo
- Publication number
- CN109965937A CN109965937A CN201910412413.3A CN201910412413A CN109965937A CN 109965937 A CN109965937 A CN 109965937A CN 201910412413 A CN201910412413 A CN 201910412413A CN 109965937 A CN109965937 A CN 109965937A
- Authority
- CN
- China
- Prior art keywords
- ball
- air bag
- limit
- drive shaft
- handling head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/062—Measuring instruments not otherwise provided for penetration depth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Abstract
The present invention relates to the field of medical instrument technology, more particularly to a kind of multi-faceted ball-handling head and for the non-hand held electric drill of medical treatment, wherein multi-faceted ball-handling head includes ball-handling head, limiting groove, limit air bag and the first air pump, ball-handling head is arranged in the arc limit slot formed by limit air bag and limiting groove, doctor can according to need in the direction of a wide range of interior any adjustment ball-handling head, then increase the pressure in limit air bag by the first air pump, so that limit air bag formed arc limit slot tightly pack tightly ball-handling head, realize the limit to ball-handling head, and since limit air bag and control ball completely attach to, when limit intracapsular pressure is larger, the frictional force that air bag is limited between head of controlling ball increases, it is also more stable to the limit of ball-handling head.The non-hand held electric drill of the application controls the displacement of drive shaft by digital control instrument, so that non-hand-held medical electric drill is stable at work and drilling depth is accurate, ensure that the quality and safety of medical treatment.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of multi-faceted ball-handling head and for the non-hand-held of medical treatment
Formula electric drill.
Background technique
In medical surgery, doctor often wants the tools such as electric hand drill, will be tired but hold arm for a long time, inevitably
It can make hand-held electric drill because arm is tired perhaps dislocation is gently then cut or punched in the shake of other tools, it is heavy then cause
Malpractice.If electric drill fixed by setting tool, sometimes electric drill direction needs slight adjusting in this way, and not side
Just, and existing setting tool is small to its adjustable range after the fixation of the tools such as electric drill, and how stable fixation is also one after adjusting
A technical problem urgently to be solved.
Summary of the invention
It is fixed after adjusting the present invention solves the technical problem of medical handheld tool adjustable range in the prior art is small
It is unstable, it is resolved especially by following scheme:
A kind of multi-faceted ball-handling head, including ball-handling head, limiting groove, limit air bag and the first air pump, the limit air bag setting
It in the limiting groove, is fixed close to the outer wall of the limiting groove side and the inner wall of the limiting groove, other side outer wall
The arc limit slot for being greater than half ball is formed, the ball-handling head is arranged in the arc limit slot；
First air pump is connected to by tracheae with the limit inside air bag, is made for increasing the air pressure in the limit air bag
It obtains the arc limit slot that the limit air bag is formed and packs tightly the ball-handling head, for the ball-handling head to be limited and fixed.
It further, further include the first pressure sensor being arranged on the limiting groove inner wall, it is described for detecting
Limit the pressure of air bag.
Further, further include the first controller being connect with the first pressure sensor and the first air pump, be used for root
The air pressure of the air pump output is controlled according to the pressure that the first pressure sensor is fed back.
One end of a kind of non-hand held electric drill for medical treatment, including head of controlling ball as described above, the ball-handling head is equipped with
Air bag is fed back, the feedback air bag is equipped with second pressure sensor, is also communicated with the second air pump on the feedback air bag；
It further include installation sleeve and the drive shaft being arranged in the installation sleeve and metal clips, the metal clips setting
Between feedback air bag and the end of drive shaft；It is connected with digital control instrument on the metal clips, for controlling the metal
The mobile displacement of elastic slice, the metal clips are arranged in second air pump and the circuit of drive shaft and are formed into a loop；
The drive shaft is slidably connected with the installation sleeve, and the feedback air bag is used for drive described in constant drive force
Moving axis moves in the installation sleeve；
Further include second controller, the second controller and the digital control instrument, second pressure sensor and the second air pump and
The circuit connection of drive shaft, the displacement information of the metal clips for being fed back according to the digital control instrument control second air pump and
The on-off of the circuit of drive shaft.
It further, further include the revolving speed debugger being arranged in the drive shaft, the revolving speed debugger and described the
The connection of two controllers, the revolving speed of the drive shaft is adjusted for the instruction according to the second controller.
According to the multi-faceted ball-handling head of above-described embodiment, the head that will control ball is arranged in be formed by limit air bag and limiting groove
In arc limit slot, doctor be can according to need in the direction of a wide range of interior any adjustment ball-handling head, then pass through the first air pump
Increase the pressure in limit air bag so that the arc limit slot that is formed of limit air bag tightly pack tightly ball-handling head, realize to ball-handling
Head limit and fixation, and due to limit air bag and control ball completely attach to, limit intracapsular pressure it is larger when, limit gas
Frictional force between capsule and ball-handling head increases, also more stable to the limit of ball-handling head.In addition, being used for according to provided by the present application
The non-hand held electric drill of medical treatment can be travelled forward by feedback air bag with the drive shaft of constant pressure-driven electric drill, simultaneously
The displacement that the displacement control drive shaft that metal clips travels forward is controlled by digital control instrument, when driving axial displacement reaches default
When value, the circuit for controlling drive shaft and the second air pump is disconnected, and electric drill and the second air pump stop working immediately, plus using ball-handling
Head carries out direction of advance restriction to the drive shaft of electric drill, so that non-hand-held medical electric drill is stable at work and drilling depth is smart
Really, the quality and safety of medical treatment be ensure that.
Detailed description of the invention
Fig. 1 is the multi-faceted ball-handling header structure schematic diagram of the embodiment of the present application；
Fig. 2 is the non-hand held electric drill structural schematic diagram of the embodiment of the present application.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
In embodiments of the present invention, in order to solve drive shaft adjustable range in the prior art it is small and adjust after fix it is unstable
The technical issues of, the invention proposes cooperate shape using limiting groove 12 and the limit air bag 2 being arranged in limiting groove 12
At an arc limit slot, which is greater than the spherical shape of half, and ball-handling head 1 is arranged in arc limit slot
Interior, when limiting 2 unaerated of air bag, ball-handling head 1 can freely adjust direction within the scope of the larger angle in the arc limit slot,
After doctor or user can need to regulate according to oneself the direction of drive shaft 6, start first be connected to limit air bag 2
Air pump 3, the control increase of air pump 3 limits the pressure in air bag 2, so that limit air bag 2 packs tightly ball-handling head 1 under huge pressure,
It realizes the limit to head 1 of controlling ball, is completely attached to after being inflated due to limit air bag 2 with ball-handling head 1, and limit 2 pressure of air bag is larger,
So that ball-handling head 1 is by stable fixation.
Further, on the basis of above scheme, the invention also provides it is a kind of for medical treatment non-hand held electric drill,
It can be travelled forward by feedback air bag 7 with the drive shaft 6 of constant pressure-driven electric drill, while gold is controlled by digital control instrument 9
Belong to the displacement that elastic slice 10 travels forward and then the displacement for controlling drive shaft 6, when the displacement of drive shaft 6 reaches preset value, control is driven
The circuit of moving axis 6 and the second air pump 8 disconnects, and the drive shaft 6 of electric drill and the second air pump 8 stop working immediately, plus using control
Bulb 1 is fixed and limits to 6 direction of drive shaft of electric drill, so that non-hand-held medical electric drill is stable at work and drills
Depth is accurate, ensure that the quality and safety of medical treatment.
Embodiment one:
Referring to FIG. 1, the present embodiment provides a kind of multi-faceted ball-handling head, including ball-handling head 1, limiting groove 12, limit 2 and of air bag
First air pump 3.Wherein, limiting groove 12 is the spherical shape greater than half, and limit air bag 2 is arranged in limiting groove 12,
Limiting air bag 2 also is the spherical shape greater than half, the outer wall 21 and the limiting groove close to 12 side of limiting groove
12 inner wall is fixedly connected, and other side outer wall 22 forms the spherical shape arc limit slot for being greater than half, and ball-handling head 1 is set
It sets in the arc limit slot.First air pump 3 inside tracheae and limit air bag 2 by being connected to, for increasing in limit air bag 2
Air pressure, in use, the direction of pre-adjusted ball-handling head 1, is then turned on the first air pump 3 and inflates into limit air bag 2, limit gas
Capsule 2 inflate after swell and pressure increase, tightly wrap ball-handling head 1, due to limit air bag 2 pressure it is larger, limit air bag 2
It is come into full contact with ball-handling head 1, and limits the frictional force between the side wall of air bag 2 and ball-handling head 1 greatly and play the branch to ball-handling head 1
Support effect, therefore stable ball-handling head 1 can be limited and be fixed.
In actual use, head of controlling ball can be passed through in medical equipments such as the fixed non-hand held electric drills in one end of ball-handling head 1
1 can to can be stable after adjusting and adjust in biggish angular range now in fact fixation.
Wherein, in order to be accurately controlled the pressure sizes that 3 pairs of the first air pump limit air bags 2 export, in the present embodiment
First pressure sensor 4 is additionally provided on the inner wall of limiting groove 12, for detecting the size of pressure in limit air bag 2, simultaneously also
Equipped with the first controller 5, the first controller 5 is connect with the first air pump 3 and first pressure sensor 4 respectively, and the first controller 5 can
The start and stop of the first air pump 3 are controlled with the pressure value fed back by first pressure sensor 4, are closed with reaching to the limit output of air bag 2
The purpose of suitable pressure.
Embodiment two:
Referring to FIG. 2, on the basis of embodiment 1, the present embodiment provides a kind of non-hand held electric drill, the non-hand held electric drill
Drive shaft 6 is connect with 1 one end of ball-handling head of embodiment 1, it can the limit of non-hand held electric drill drive shaft 6 is controlled by head of controlling ball
Determine direction and it is fixed.An installation sleeve 13 is designed in the present embodiment, one end of ball-handling head 1 is equipped with a connecting shaft
14, which is arranged in the installation sleeve 13 and is slidably connected with the installation sleeve 13, and the drive shaft 6 of electric drill is right
End be also mounted in the installation sleeve 13, the left end of connecting shaft 14 be equipped with a feedback air bag 7, feed back air bag 7 front end and
The right end of drive shaft 6 connects.Drive shaft 6 can also be rotated in installation sleeve 13 and axially be slided, and fed back and connected on air bag 7
There is the second air pump 8, pressure can be provided to feedback air bag 7 by the second air pump 8, it, can be with when feeding back that pressure is constant in air bag 7
Pressure is applied to drive shaft 6 by feedback air bag 7, so that the end motion to the left of drive shaft 6, while being additionally provided in feedback air bag 7
Second pressure sensor, for detecting the pressure information of feedback air bag 7.Wherein, connecting shaft 14, feedback air bag 7 and drive shaft 6 are in
It is linearly arranged in installation sleeve 13, so that in installation sleeve 13 direction change will not occur for connecting shaft 14 and connecting shaft 14, protects
The stability of drive shaft 6 is demonstrate,proved.
Wherein, in order to eliminate the influence of 6 gravity of drive shaft, be arranged between drive shaft 6 and installation sleeve 13 certain damping,
Drag parameter avoids the stability that drive shaft 6 is influenced because of the factor of 6 gravity of drive shaft.
It wherein, further include the metal clips being arranged between 13 internal feedback air bag 7 of installation sleeve and the end of drive shaft 6
10, metal clips 10 is connect with drive shaft 6, digital control instrument 9 is connected on metal clips 10, digital control instrument 9 is for recording and controlling gold
Belong to the mobile displacement of elastic slice 10, metal clips 10 is arranged in the second air pump 8 and the circuit of drive shaft 6 and is formed into a loop.It can be with
Be arranged and control the mobile displacement of metal clips 10 by digital control instrument 9, when under driving of the drive shaft 6 in feedback air bag 7 forward
It drives metal clips 10 to travel forward when movement, when the displacement that metal clips 10 moves reaches setting value, controls metal clips
10 and second the circuit of air pump 8 and drive shaft 6 disconnect so that 6 stop motion of drive shaft and rotation, while but also the second air pump
8 stop working.
Further, further include second controller 11, second controller 11 and digital control instrument 9, second pressure sensor and
The circuit connection of second air pump 8 and drive shaft 6, second controller 11 can be according to the pressure informations of second pressure sensor feedback
The start and stop of the second air pump 8 are controlled, and then control the pressure size of feedback air bag 7, so that feedback air bag 7 is with suitable and constant pressure
It pushes dynamic drive shaft 6 to travel forward, ensure that the consistency and stability of 6 stress of drive shaft, so that electro-medical driller makees more
Stablize.Meanwhile the displacement that second controller 11 and digital control instrument 9 can also be moved by control metal clips 10, it is set when reaching
When displacement, when metal clips 10, which travels forward, reaches setting position, make drive shaft 6, second air pump 8 using insulating materials
Electric power loop disconnects, i.e. drive shaft 6 and the second air pump 8 stops working, and thus can control the movement of drive shaft 6 and rotation at once
Stop, thus can accurately controlling the displacement and rotation of the advance of drive shaft 6, punching can be accurately controlled at the time of surgery,
Depth.The uncontrollable factor of hand held electric drill is eliminated, ensure that accuracy and the safety of medical treatment.
It further, further include the revolving speed debugger 12 being arranged in drive shaft 6, revolving speed debugger 12 and second controller
11 connections, the revolving speed of drive shaft 6 are adjusted for the instruction according to second controller 11, such doctor can be according to different operations
Need to adjust the revolving speed of drive shaft 6.
In other embodiments, can further include connect with second controller 11 can input panel, pass through
This can input panel can be set drive shaft 6 advance displacement and revolving speed, and setting feedback air bag 7 pressure size etc..
Non- hand held electric drill through this embodiment can accurately control displacement and the revolving speed of electric drill (drive shaft 6), and
Control pushes drive shaft 6 to move using suitable constant pressure, limits the adjustable of direction in conjunction with ball-handling head and 1 pair of drive shaft 6
Property and stability avoid malpractice so that medical operating is more accurate.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (5)
1. a kind of multi-faceted ball-handling head, which is characterized in that including ball-handling head (1), limiting groove (12), limit air bag (2) and the
One air pump, the limit air bag are arranged in the limiting groove, the outer wall (21) and the limit close to the limiting groove side
The inner wall of position groove (12) is fixed, and other side outer wall (22) forms the arc limit slot for being greater than half ball, described
Head (1) setting control ball in the arc limit slot；
First air pump (3) inside tracheae and the limit air bag (2) by being connected to, for increasing the limit air bag (2)
The arc limit slot that interior air pressure forms limit air bag (2) packs tightly the ball-handling head (1), for the ball-handling head
(1) it is limited and is fixed.
2. ball-handling head as described in claim 1, which is characterized in that further include being arranged on the limiting groove (12) inner wall
First pressure sensor (4), for detecting the pressure of limit air bag (2).
3. ball-handling head as claimed in claim 2, which is characterized in that further include and the first pressure sensor (4) and first
The first controller (5) of air pump (3) connection, the pressure for being fed back according to the first pressure sensor (4) control the gas
Pump the air pressure of output.
4. a kind of non-hand held electric drill for medical treatment, which is characterized in that including ball-handling as described in any one of claims 1-3
Head, one end of ball-handling head (1) are equipped with feedback air bag (7), and the feedback air bag (7) is equipped with second pressure sensor, institute
It states and is also communicated with the second air pump (8) in feedback air bag (7)；
The drive shaft (6) and metal clips (10) for further including installation sleeve (13) and being arranged in the installation sleeve (13),
The metal clips (10) is arranged between feedback air bag (7) and the end of drive shaft (6)；On the metal clips (10)
Digital control instrument (9) are connected with, for controlling the metal clips (10) mobile displacement, the metal clips (10) is arranged described
In second air pump (8) and the circuit of drive shaft (6) and it is formed into a loop；
The drive shaft (6) is slidably connected with the installation sleeve (13), and the feedback air bag (7) is used for constant driving force
Drive the drive shaft (6) movement in the installation sleeve (13)；
Further include second controller (11), the second controller (11) and the digital control instrument (9), second pressure sensor and
The circuit connection of second air pump (8) and drive shaft (6), the position of the metal clips (10) for being fed back according to the digital control instrument (9)
Move the on-off that information controls the circuit of second air pump (8) and drive shaft (6).
5. non-hand held electric drill as claimed in claim 4, which is characterized in that further include being arranged on the drive shaft (6)
Revolving speed debugger (12), the revolving speed debugger (12) connect with the second controller (11), for according to second control
The instruction of device (11) processed adjusts the revolving speed of the drive shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412413.3A CN109965937A (en) | 2019-05-17 | 2019-05-17 | A kind of multi-faceted ball-handling head and the non-hand held electric drill for medical treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412413.3A CN109965937A (en) | 2019-05-17 | 2019-05-17 | A kind of multi-faceted ball-handling head and the non-hand held electric drill for medical treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109965937A true CN109965937A (en) | 2019-07-05 |
Family
ID=67073747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412413.3A Pending CN109965937A (en) | 2019-05-17 | 2019-05-17 | A kind of multi-faceted ball-handling head and the non-hand held electric drill for medical treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109965937A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110495933A (en) * | 2019-07-12 | 2019-11-26 | 新乡医学院第一附属医院(河南省结核病医院) | A kind of marking apparatus of B-ultrasound puncture |
| CN112936244A (en) * | 2021-01-26 | 2021-06-11 | 南开大学 | Rigidity-adjustable spherical hinge, rigidity-adjustable elastic spine and soft robot |
| CN115978397A (en) * | 2023-03-20 | 2023-04-18 | 浙江地科土地勘测规划设计有限公司 | Land survey is with survey equipment of static anti-shake |
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| CN105476800A (en) * | 2015-12-24 | 2016-04-13 | 王广宇 | Auxiliary device for pediatric neurosurgery operation |
| CN106983535A (en) * | 2017-05-10 | 2017-07-28 | 刘敏 | A kind of new safe cranial drill |
| CN207384295U (en) * | 2017-03-16 | 2018-05-22 | 上海逸动医学科技有限公司 | A kind of orthopedic surgery device |
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| US20140148808A1 (en) * | 2011-02-18 | 2014-05-29 | DePuy Synthes Products, LLC | Tool with integrated navigation and guidance system and related apparatus and methods |
| US20120310247A1 (en) * | 2011-06-03 | 2012-12-06 | Kabo Tool Company | Medical Electric Drill |
| CN105476800A (en) * | 2015-12-24 | 2016-04-13 | 王广宇 | Auxiliary device for pediatric neurosurgery operation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110495933A (en) * | 2019-07-12 | 2019-11-26 | 新乡医学院第一附属医院(河南省结核病医院) | A kind of marking apparatus of B-ultrasound puncture |
| CN110495933B (en) * | 2019-07-12 | 2022-07-01 | 新乡医学院第一附属医院(河南省结核病医院) | Positioning marking device for ultrasonic guided puncture |
| CN112936244A (en) * | 2021-01-26 | 2021-06-11 | 南开大学 | Rigidity-adjustable spherical hinge, rigidity-adjustable elastic spine and soft robot |
| CN112936244B (en) * | 2021-01-26 | 2022-03-29 | 南开大学 | Rigidity-adjustable spherical hinge, rigidity-adjustable elastic spine and soft robot |
| CN115978397A (en) * | 2023-03-20 | 2023-04-18 | 浙江地科土地勘测规划设计有限公司 | Land survey is with survey equipment of static anti-shake |
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