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CN209136767U - A kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system - Google Patents

A kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system Download PDF

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Publication number
CN209136767U
CN209136767U CN201820142812.3U CN201820142812U CN209136767U CN 209136767 U CN209136767 U CN 209136767U CN 201820142812 U CN201820142812 U CN 201820142812U CN 209136767 U CN209136767 U CN 209136767U
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China
Prior art keywords
minimally invasive
invasive ultrasound
cutter head
head end
knife bar
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CN201820142812.3U
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曹群
李振宙
战松涛
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Beijing SMTP Technology Co Ltd
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Beijing SMTP Technology Co Ltd
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Abstract

A kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system, the minimally invasive ultrasound cutter head include knife bar and head end, and head end is located at knife bar front end, and the head end is at an angle to lateral bending, and annular knurl tooth or helical teeth are equipped on bending part.By making head end bending that can remove the bone tissue around foramen intervertebrale lens, so that operator has more operating spaces as far as possible, improves efficiency of boning under limited aperture mirror channel.Annular knurl tooth or helical teeth are set in the bending part, can preferably the bone tissue around foramen intervertebrale lens be polished or be cut.

Description

A kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone are dynamic Force system.
Background technique
With the development of modern medical techniques, clinical Orthopeadic Surgery has been widely used in using the Minimally Invasive Surgery under foramen intervertebrale lens In operative treatment.Power tool under existing foramen intervertebrale lens is mainly High speed drill, and High speed drill passes through the height on abrasive drilling head Speed rotation abrades bone tissue.Due to the working method using rotation, abrasive drilling is easy volume in operation and scrapes soft tissue, generates wire drawing effect It answers, and to be easy to produce blood blind, causes the healthcare givers visual field unintelligible, and then cause malpractice.
Ultrasonic bone dynamical system is the power tool performed the operation using ultrasonic energy, has fine cut/attraction, does not hurt The outstanding features such as the evil soft tissues such as blood vessel and nerve, low temperature hemostasis.Minimally invasive ultrasound bone power, system is in conjunction with minimally invasive and ultrasonic The two feature realizes that the ultrasonic cut of bone tissue operates by the tool passage of foramen intervertebrale lens, is greatly enriched spinal surgery The means of operation improve the safety of spinal surgery.But the tool bore dia of foramen intervertebrale lens is smaller, usually work is logical The diameter in road is 2-6mm, and the length in entire channel is longer, and usually in 20cm or more, ultrasonic osteotome bit system is protruded into mirror When, due to ultrasound principle influence, can not in mirror transverse curvature cutter head, therefore operate space it is extremely limited, can only be along mirror Sub- direction is operated, and not can be removed the bone tissue around the camera lens of hole, therefore can not play the maximal efficiency of piezosurgery osteotomy.
Summary of the invention
The utility model provides a kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system, to solve to grasp in the prior art Make that space is limited, not can be removed the problem of bone tissue around the camera lens of hole.
In a first aspect, the utility model provides a kind of minimally invasive ultrasound cutter head, including knife bar and head end, head end is located at knife bar Front end, it is characterised in that: the head end is at an angle to lateral bending.
Further, annular knurl tooth or helical teeth are equipped on bending part.
Further, the bottom surface of the bending part is square arc face, the upper lower inclined plane in the lateral face of the bending part It is equipped with annular knurl tooth.
Further, the head end is rake, and helical teeth is equipped on the lateral face of the bending part.
Further, the head end is cochlear, and annular knurl tooth is equipped on the top surface of the bending part.
Further, helical teeth is equipped on the lateral face of the bending part and side.
Further, the head end is piece shape, and helical teeth is equipped on the lateral face of bending part.
Further, the head end is inclined-plane square file shape, and annular knurl tooth is equipped on the lateral face of bending part.
Further, the head end is faceted pebble cylinder, and annular knurl tooth is equipped on the lateral face of bending part, and side is equipped with spiral Skewed slot.
Further, the knife bar of the minimally invasive ultrasound cutter head includes two detachable parts, i.e., the first half connecting with head end The latter half being connect with ultrasonic handpiece.
Further, the whole bar of the knife bar is hollow structure.
Further, it is hollow structure that the knife bar, which only has part, is discharged at the middle part of knife bar by side opening.
Second aspect, the utility model also provide a kind of minimally invasive ultrasound bone dynamical system comprising the minimally invasive ultrasound Cutter head.
Further, which further includes foramen intervertebrale lens, and the knife bar of the minimally invasive ultrasound cutter head is assemblied in In foramen intervertebrale lens channel.
The minimally invasive ultrasound bone dynamical system further comprises host, ultrasonic handpiece and floor push, and minimally invasive ultrasound cutter head is logical It crosses attachment device and is connected to the ultrasonic handpiece, the ultrasonic handpiece and floor push are electrically connected with host respectively.
Further, the host includes cutter head detection module, human-computer interaction module, supersonic signal generator, high drive Device, frequency-tracking and fault detection module and voltage, electric current, phase sample device.
The utility model replaces High speed drill using ultrasonic bone dynamical system, reduces medical-risk, keeps cutting more smart Carefully, the soft tissues such as blood vessel and nerve are not injured, and can preferably be stopped blooding.
The head end of minimally invasive ultrasound cutter head is angled to lateral bending in the utility model, by making head end bending can The bone tissue around aperture mirror is removed, so that operator under limited aperture mirror channel, there are more operating spaces as far as possible, is improved Efficiency of boning.Further, annular knurl tooth or helical teeth are set in the bending part, so as to preferably to the bone group around foramen intervertebrale lens It knits and is polished or cut.
The utility model is also by setting detachable two parts for the knife bar of minimally invasive ultrasound cutter head, to solve curved Tulwar head cannot further facilitate cutter head by aperture mirror channel, and then the problem of knife bar cannot be assembled to aperture mirror channel Assembling.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the minimally invasive ultrasound cutter head of the utility model embodiment one;
Fig. 2 is the lever structure schematic diagram of one minimally invasive ultrasound cutter head of the utility model embodiment;
Minimally invasive ultrasound cutter head and foramen intervertebrale lens are used for minimally invasive ultrasound for the utility model embodiment one by Fig. 3 and 4 together Bone power system architecture schematic diagram;
Fig. 5 is that the host of the minimally invasive ultrasound bone dynamical system of the utility model embodiment one forms structural schematic diagram;
Fig. 6 is the structural schematic diagram of the minimally invasive ultrasound cutter head of the utility model embodiment two;
Fig. 7 is the structural schematic diagram of the minimally invasive ultrasound cutter head of the utility model embodiment three;
Fig. 8 is the structural schematic diagram of the minimally invasive ultrasound cutter head of the utility model embodiment four;
Fig. 9 is the structural schematic diagram of the minimally invasive ultrasound cutter head of the utility model embodiment five;
Figure 10 is the structural schematic diagram of the minimally invasive ultrasound cutter head of the utility model embodiment six.
Specific embodiment
In each embodiment below, detailed verbal description and Detailed description of the invention illustrate jointly disclosed embodiment be as What what was implemented.It should be understood that without departing from range disclosed by the utility model, other embodiment be also it is feasible, Structure or change in logic can also be made to embodiment.
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail.
Embodiment one:
As shown in Figure 1, present embodiment discloses a kind of minimally invasive ultrasound cutter head 1 comprising knife bar 11 and head end 12, head end 12 are located at the front end of knife bar 11, and head end 12 is at an angle to edgewise bend.The bottom surface 121 of the bending part is square arc Face is equipped with annular knurl tooth on the upper lower inclined plane in the lateral face 122 of bending part.
In assembling process, since curved head end cannot be by the channel of aperture mirror, in order to make the minimally invasive ultrasound cutter head 1 It can work together with foramen intervertebrale lens, as shown in Fig. 2, the knife bar 11 of the minimally invasive ultrasound cutter head is divided to for two parts, i.e., and head end The first half of 12 connections and the latter half being connect with ultrasonic handpiece.This two parts is attached by screw thread, the screw thread energy It is enough to connect the first half and latter half of cutter head closely to form complete knife bar 11.During the installation process, handle is connected Latter half is penetrated from aperture mirror rear portion, and the first half knife bar for connecting curved head end is penetrated from the front of aperture mirror, and two parts are logical Threaded connection has been crossed to tighten.Above-mentioned link position can lean near head end in the middle part of knife bar 11, the rear end of knife bar 11 or knife bar 12 side.
It is hollow structure that knife bar 11, which can be entire bar, is directly discharged and is perfused in head end;Either only part is hollow Structure is discharged at the middle part of knife bar 11 by side opening.
The minimally invasive ultrasound cutter head 1 can be used for minimally invasive ultrasound bone dynamical system together with foramen intervertebrale lens.As shown in Figure 3-4, In use, the knife bar of the minimally invasive ultrasound knife 1 is packed into the service aisle of foramen intervertebrale lens 10, and it is connected to by attachment device super Sound handle, the ultrasonic handpiece are electrically connected with host, are additionally provided with floor push, are also electrically connected with host.Host, connection The first-class component of device, ultrasonic handpiece, floor push, minimally invasive ultrasound knife constitutes ultrasonic bone dynamical system together.In above-mentioned component, Floor push controls the output and stopping of ultrasound for controlling starting or stoping for host;Host, for detecting ultrasonic hand The access of handle, control adjustment ultrasound drive signals, makes ultrasonic system work in optimum resonant frequency, also can vibration shape to handle State carry out recognition detection, such as identify ultrasound drive signals electric current, voltage and phase parameter, detection driving signal whether overcurrent, Open circuit or short circuit etc.;Ultrasonic handpiece drives ultrasonic cutter head work for high-voltage signal to be converted to ultrasonic vibration;It is minimally invasive super Sound cutter head 1 realizes bone tissue operation excision, simultaneously as the head of the minimally invasive ultrasound cutter head 1 for transmitting and amplifying ultrasonic vibration End 12 can remove the bone tissue around aperture mirror, make operator under limited aperture mirror channel, have as far as possible more to lateral bending More operating spaces, improves efficiency of boning.In addition, annular knurl tooth is equipped on the upper lower inclined plane in the lateral face 122 of bending part, The bone tissue being more advantageous to around polishing aperture mirror, further increases efficiency.
As shown in figure 5, including cutter head detection module in the host of minimally invasive ultrasound bone dynamical system, human-computer interaction module, surpassing Sound signal generator, high-voltage drive, frequency-tracking and fault detection module and voltage, current phase sampler.Cutter head inspection Survey whether module has ultrasonic handpiece to be connected to host for identification, to avoid the host output high pressure drive under no ultrasonic handpiece state Dynamic signal.Human-computer interaction module passes through the foot-operated switch operation of circuit identification, cutter head detection, the control of user power and mode of operation Input, display of circuit abnormality state etc. are made, and controls the work of the components such as frequency-tracking and fault detection module, issues control Signal makes it start or stop the ultrasonic frequency signal for generating setting to supersonic signal generator.Supersonic signal generator generates Ultrasonic signal export to high-voltage drive, pass through high-voltage drive and drive ultrasonic handpiece work.Voltage, electric current, phase sample Voltage and current and its phase relation in the driving circuit of device sampling access ultrasonic handpiece;Frequency-tracking and fault detection module root According to the frequency and phase of the voltage of acquisition, electric current, phase adjusted supersonic signal generator, make ultrasonic handpiece work in optimal work State, it can also be used to the identification of the abnormal operations such as short circuit, open circuit of ultrasonic handpiece, and result is fed back into human-computer interaction mould Block is for user query.
Embodiment two
Fig. 6 is the minimally invasive ultrasound cutter head 2 of the utility model second embodiment, which includes knife bar 21 and head end 22, Head end 22 is located at the front end of knife bar 21, and head end 22 is at an angle to edgewise bend.Head end 22 be it is rake, in bending part Lateral face 222 is equipped with helical teeth.
Similar with way of example one, for the ease of assembly, knife bar 21 is also classified into two parts, i.e., connects with head end 22 The latter half that first half is connected with same handle, two parts are attached by screw thread.Knife bar 21 can be during entire bar is Hollow structure is directly discharged in head end and is perfused;Either only part is hollow structure, is discharged at the middle part of knife bar by side opening.
The minimally invasive ultrasound cutter head 2 can also be used for minimally invasive ultrasound bone dynamical system together with foramen intervertebrale lens.In use, should The knife bar of minimally invasive ultrasound knife 2 is packed into foramen intervertebrale lens service aisle, and is connected to ultrasonic handpiece by attachment device, the ultrasound hand Handle is electrically connected with host, is additionally provided with floor push, is also electrically connected with host.Due to the head of the minimally invasive ultrasound cutter head 2 End 22 has to lateral bending circular arc, can remove the bone tissue around aperture mirror, make operator under limited aperture mirror channel, to the greatest extent There may be more operating spaces, improve efficiency of boning.In addition, being equipped with helical teeth on the lateral face 222 of bending part, utilize The helical teeth can preferably cut the bone tissue around aperture mirror, further increase efficiency.
Embodiment three
Fig. 7 is the minimally invasive ultrasound cutter head 3 of the utility model third embodiment, which includes knife bar 31 and head end 32, Head end 32 is located at the front end of knife bar 31, and head end 32 is at an angle to edgewise bend.Head end 32 is cochlear, in bending part Top surface 324 is equipped with annular knurl tooth.Further, helical teeth can be equipped on the lateral face 322 and side 323 of bending part.
Similar with way of example one, for the ease of assembly, knife bar 31 is also classified into two parts, i.e., connects with head end 32 The latter half that first half is connected with same handle, two parts are attached by screw thread.Knife bar 31 can be during entire bar is Hollow structure is directly discharged in head end and is perfused;Either only part is that hollow structure is discharged at the middle part of knife bar by side opening.
The minimally invasive ultrasound cutter head 3 can also be used for ultrasonic bone tissue surgery systems together with foramen intervertebrale lens.In use, should The knife bar 31 of minimally invasive ultrasound knife 3 is packed into foramen intervertebrale lens service aisle, and is connected to ultrasonic handpiece by attachment device, the ultrasound Handle is electrically connected with host, is additionally provided with floor push, is also electrically connected with host.Due to the minimally invasive ultrasound cutter head 3 For head end 32 to lateral bending, bottom surface is trapezoidal, can remove the bone tissue around aperture mirror, makes operator in limited aperture mirror channel Under, there are more operating spaces as far as possible, improves efficiency of boning.In addition, being equipped with annular knurl on the top surface 324 of bending part Tooth, the bone tissue that can be preferably polished around aperture mirror using the annular knurl tooth.Further, in the lateral face 322 of bending part and side Face 323 is equipped with helical teeth, can preferably cut the bone tissue around aperture mirror using the helical teeth.It can be more by above-mentioned setting Raising is boned efficiency, to provide bigger operating space.
Embodiment four
Fig. 8 is the minimally invasive ultrasound cutter head 4 of the 4th embodiment of the utility model, which includes knife bar 41 and head end 42, Head end 42 is located at the front end of knife bar 41, and head end 42 is at an angle to edgewise bend.Head end 42 is piece shape, in bending part Lateral face 422 and bottom surface 421 are equipped with helical teeth.
Similar with way of example one, for the ease of assembly, knife bar 41 is also classified into two parts, i.e., connects with head end 42 The latter half that first half is connected with same handle, two parts are attached by screw thread.Knife bar 41 can be during entire bar is Hollow structure is directly discharged in head end and is perfused;Either only part is hollow structure, is discharged at the middle part of knife bar by side opening.
The minimally invasive ultrasound cutter head 4 can also be used for ultrasonic bone tissue surgery systems together with foramen intervertebrale lens.In use, should The knife bar 41 of minimally invasive ultrasound knife 4 is packed into foramen intervertebrale lens service aisle, and is connected to ultrasonic handpiece by attachment device, the ultrasound Handle is electrically connected with host, is additionally provided with floor push, is also electrically connected with host.Due to the minimally invasive ultrasound cutter head 4 Head end 42 can remove the bone tissue around aperture mirror to lateral bending, make operator under limited aperture mirror channel, have as far as possible More operating spaces, improve efficiency of boning.In addition, it is equipped with helical teeth on the bottom surface 421 and lateral face 422 of bending part, The bone tissue around aperture mirror can be preferably cut using the helical teeth, further increases efficiency of boning.
Embodiment five
Fig. 9 is the minimally invasive ultrasound cutter head 5 of the 5th embodiment of the utility model, which includes knife bar 51 and head end 52, Head end 52 is located at the front end of knife bar 51, and head end 52 is at an angle to edgewise bend.Head end 52 is inclined-plane square file shape, is being bent Partial lateral face 522 is equipped with annular knurl tooth.
Similar with way of example one, for the ease of assembly, knife bar 51 is also classified into two parts, i.e., connects with head end 52 The latter half that first half is connected with same handle, two parts are attached by screw thread.Knife bar 51 can be during entire bar is Hollow structure is directly discharged in head end and is perfused;Either only part is hollow structure, is discharged at the middle part of knife bar by side opening.
The minimally invasive ultrasound cutter head 5 can also be used for ultrasonic bone tissue surgery systems together with foramen intervertebrale lens.In use, should The knife bar 51 of minimally invasive ultrasound knife 5 is packed into foramen intervertebrale lens service aisle, and is connected to ultrasonic handpiece by attachment device, the ultrasound Handle is electrically connected with host, is additionally provided with floor push, is also electrically connected with host.Due to the minimally invasive ultrasound cutter head 5 Head end 52 can remove the bone tissue around aperture mirror to lateral bending, make operator under limited aperture mirror channel, have as far as possible More operating spaces, improve efficiency of boning.In addition, being equipped with annular knurl tooth on the lateral face 522 of bending part, the rolling is utilized Flower tooth can preferably polish the bone tissue around aperture mirror, further increase efficiency of boning.
Embodiment six
Figure 10 is the minimally invasive ultrasound cutter head 6 of the utility model sixth embodiment, which includes knife bar 61 and head end 62, head end 62 is located at the front end of knife bar 61, and head end 62 is at an angle to edgewise bend.Head end 62 is faceted pebble cylinder, curved The lateral face 622 of bent portions is equipped with annular knurl tooth, and side 621 is provided with spiral chute.
Similar with way of example one, for the ease of assembly, knife bar 61 is also classified into two parts, i.e., connects with head end 62 The latter half that first half is connected with same handle, two parts are attached by screw thread.Knife bar 61 can be during entire bar is Hollow structure is directly discharged in head end and is perfused;Either only part is hollow structure, is discharged at the middle part of knife bar by side opening.
The minimally invasive ultrasound cutter head 6 can also be used for ultrasonic bone tissue surgery systems together with foramen intervertebrale lens.In use, should The knife bar 61 of minimally invasive ultrasound knife 6 is packed into foramen intervertebrale lens service aisle, and is connected to ultrasonic handpiece by attachment device, the ultrasound Handle is electrically connected with host, is additionally provided with floor push, is also electrically connected with host.Due to the minimally invasive ultrasound cutter head 6 Head end 62 can remove the bone tissue around aperture mirror to lateral bending, make operator under limited aperture mirror channel, have as far as possible More operating spaces, improve efficiency of boning.In addition, being equipped with annular knurl tooth on the lateral face 622 of bending part, the rolling is utilized Flower tooth can preferably polish the bone tissue around aperture mirror, further increase efficiency of boning.
Although various embodiments have been described in detail above, those skilled in the art are not it is appreciated that the various inclined Under the premise of from the content of the present invention, various substitutions and/or equivalent embodiment can substitute the tool of above-described embodiment Body discloses.This application is intended to cover include any modifications and variations to each embodiment discussed.

Claims (15)

1. a kind of minimally invasive ultrasound cutter head, which is characterized in that including knife bar (11,21,31,41,51,61) and head end (12,22,32, 42,52,62), head end is located at knife bar front end, it is characterised in that: the head end is at an angle to lateral bending, and this is micro- The knife bar for creating ultrasonic cutter head includes two detachable parts, i.e., the first half connecting with head end and after connecting with ultrasonic handpiece Half part.
2. minimally invasive ultrasound cutter head as described in claim 1, which is characterized in that be equipped with annular knurl tooth or helical teeth on bending part.
3. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that the bottom surface (121) of the bending part is side Shape arc surface is equipped with annular knurl tooth on the upper lower inclined plane in the lateral face (122) of the bending part.
4. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that the head end (22) be it is rake, in the bending Partial lateral face (222) is equipped with helical teeth.
5. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that the head end (22) is cochlear, in the bending Partial top surface (324) is equipped with annular knurl tooth.
6. minimally invasive ultrasound cutter head as claimed in claim 5, which is characterized in that the bending part lateral face (322) and Side (323) is equipped with helical teeth.
7. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that the head end (42) is piece shape, in bending section The lateral face (422) divided is equipped with helical teeth.
8. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that the head end (42) is inclined-plane square file shape, The lateral face (522) of bending part is equipped with annular knurl tooth.
9. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that the head end (62) is faceted pebble cylinder, curved The lateral face (622) of bent portions is equipped with annular knurl tooth, and side (621) are equipped with spiral chute.
10. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that the whole bar of knife bar is hollow structure.
11. minimally invasive ultrasound cutter head as claimed in claim 1 or 2, which is characterized in that it is hollow knot that the knife bar, which only has part, Structure is discharged at the middle part of knife bar by side opening.
12. a kind of minimally invasive ultrasound bone dynamical system, which is characterized in that including the minimally invasive ultrasound as described in one of claim 1-11 Cutter head.
13. minimally invasive ultrasound bone dynamical system as claimed in claim 12, further comprises foramen intervertebrale lens, the minimally invasive ultrasound knife The knife bar of head is assemblied in foramen intervertebrale lens channel.
14. minimally invasive ultrasound bone dynamical system as described in claim 12 or 13 further comprises host, ultrasonic handpiece and foot Switch is stepped on, minimally invasive ultrasound cutter head is connected to the ultrasonic handpiece, the ultrasonic handpiece and floor push difference by attachment device It is electrically connected with host.
15. minimally invasive ultrasound bone dynamical system as claimed in claim 14, it is characterised in that: the host includes cutter head detection mould Block, human-computer interaction module, supersonic signal generator, high-voltage drive, frequency-tracking and fault detection module and voltage, electricity Stream, phase sample device.
CN201820142812.3U 2018-01-29 2018-01-29 A kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system Active CN209136767U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090060A (en) * 2018-01-29 2019-08-06 北京水木天蓬医疗技术有限公司 A kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090060A (en) * 2018-01-29 2019-08-06 北京水木天蓬医疗技术有限公司 A kind of minimally invasive ultrasound cutter head and minimally invasive ultrasound bone dynamical system

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