Movatterモバイル変換


[0]ホーム

URL:


CN114748133B - Ultrasonic intracavitary knife device and cleaning method for osteomyelitis lesion cleaning - Google Patents

Ultrasonic intracavitary knife device and cleaning method for osteomyelitis lesion cleaning
Download PDF

Info

Publication number
CN114748133B
CN114748133BCN202210330175.3ACN202210330175ACN114748133BCN 114748133 BCN114748133 BCN 114748133BCN 202210330175 ACN202210330175 ACN 202210330175ACN 114748133 BCN114748133 BCN 114748133B
Authority
CN
China
Prior art keywords
ultrasonic
head
handle
osteomyelitis
ultrasonic 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.)
Active
Application number
CN202210330175.3A
Other languages
Chinese (zh)
Other versions
CN114748133A (en
Inventor
何莉莉
于晓巍
任卫平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Everest Medical Technology Co ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to CN202210330175.3ApriorityCriticalpatent/CN114748133B/en
Publication of CN114748133ApublicationCriticalpatent/CN114748133A/en
Application grantedgrantedCritical
Publication of CN114748133BpublicationCriticalpatent/CN114748133B/en
Activelegal-statusCriticalCurrent
Anticipated expirationlegal-statusCritical

Links

Classifications

Landscapes

Abstract

Translated fromChinese

本发明提供一种用于骨髓炎病灶清理的超声腔内刀装置及清理方法,包括手柄以及可拆卸连接于手柄一端的超声头,超声头上开设有冲液出口以及吸引进口,手柄内置有相接于超声头的超声换能器,当超声换能器接收到超声信号时,超声头通过超声换能器产生超声振荡;本发明增加骨髓炎病灶的清理效果。

The present invention provides an ultrasonic intracavitary knife device and a cleaning method for cleaning osteomyelitis lesions, comprising a handle and an ultrasonic head detachably connected to one end of the handle, a flushing outlet and a suction inlet are provided on the ultrasonic head, an ultrasonic transducer connected to the ultrasonic head is built into the handle, and when the ultrasonic transducer receives an ultrasonic signal, the ultrasonic head generates ultrasonic oscillations through the ultrasonic transducer; the present invention increases the cleaning effect of osteomyelitis lesions.

Description

Ultrasonic intracavity knife device and cleaning method for osteomyelitis focus cleaning
Technical Field
The invention relates to the field of osteomyelitis cleaning equipment, in particular to an ultrasonic intracavity knife device for cleaning an osteomyelitis focus and a cleaning method.
Background
At present, the clinic treatment for the focus of osteomyelitis mainly to drain and flush the focus for debridement treatment, and the bacteria are wrapped by the biomembrane secreted by the bacteria, so that the bacteria are protected. Resulting in increased immune attack against the organism itself and resistance to antibiotics. And the biomembrane is often adsorbed in the bone marrow cavity, especially in the cancellous bone, and alternately arranged with the trabecular bone, so that the conventional washing can not effectively remove the biomembrane and can not completely remove necrotic tissues and bacteria in the focus. Resulting in poor clinical treatment and prolonged disease duration, which brings great loss to individuals and society.
Disclosure of Invention
The invention aims to provide an ultrasonic intracavity knife device and a cleaning method for cleaning osteomyelitis focus, which can increase the cleaning effect of the osteomyelitis focus.
In order to solve the technical problems, the invention provides an ultrasonic cavity inner knife device for cleaning a focus of osteomyelitis, which comprises a handle and an ultrasonic head detachably connected to one end of the handle, wherein a flushing liquid outlet and a suction inlet are formed in the ultrasonic head, an ultrasonic transducer connected to the ultrasonic head is arranged in the handle, and when the ultrasonic transducer receives an ultrasonic signal, the ultrasonic head generates ultrasonic oscillation through the ultrasonic transducer.
Further, a catheter is arranged in the ultrasonic transducer in a penetrating way, and the end part of the catheter is connected with the ultrasonic head.
Further, the positive pressure input pipe and the negative pressure suction pipe are arranged inside the catheter in a penetrating way, when the end part of the catheter is connected with the ultrasonic head, the positive pressure input pipe is correspondingly connected with the flushing liquid outlet, and the negative pressure suction pipe is correspondingly connected with the suction inlet.
Further, the end of the ultrasonic head far away from the handle is provided with an arc-shaped structure, and the suction inlet is arranged in the arc-shaped structure in a penetrating way.
Further, the end of the ultrasonic head far away from the handle is provided with a caulking groove, and the hairbrush is sleeved in the caulking groove.
Further, the brush is made of flexible materials.
Further, a buffer piece is arranged between the ultrasonic transducer and the handle and between the ultrasonic head and the handle.
Further, the ultrasonic device also comprises a host machine, wherein an ultrasonic generator is arranged in the host machine, and the ultrasonic transducer is connected with the ultrasonic generator through a wire harness.
Further, a display area and an adjusting button are arranged on the host.
The invention also discloses a method for cleaning the focus of osteomyelitis, which adopts the ultrasonic intracavity knife device and comprises the following steps that after an ultrasonic head of the ultrasonic intracavity knife device stretches into a focus position, constant-temperature liquid is infused into the focus position through a flushing liquid outlet, ultrasonic oscillation is generated on the liquid in the focus position through the ultrasonic head, and when the ultrasonic oscillation lasts for a period of time, the ultrasonic oscillation is suspended and the liquid in the focus position is pumped out through an attraction inlet.
According to the invention, through the arrangement of the ultrasonic head, when the focal position of osteomyelitis needs to be debrided, the ultrasonic head is stretched into the focal position and liquid is conveyed to the inner part of the focal position through the flushing liquid outlet, then the ultrasonic transducer is started, so that the ultrasonic transducer generates ultrasonic waves after receiving ultrasonic signals and transmits the ultrasonic waves to the ultrasonic head, the ultrasonic head is further enabled to perform reciprocating oscillation in the liquid to generate cavitation, a large amount of micron-sized vacuum bubbles are formed in the liquid, the bubbles are enabled to collide with each other in the closing process through the abrupt closing of the bubbles under the oscillation pressure, shock waves are generated, and then impurities on the inner surface of the focal position and biological films of bacteria are enabled to fall off through a large amount of shock waves, the focal position is fully cleaned through the cooperation of continuous ultrasonic oscillation, after cleaning is completed, the flushing liquid outlet is stopped, the suction inlet is opened, the liquid containing bacteria and impurities in the focal position is sucked out through the suction inlet, the ultrasonic oscillation, flushing, brushing and suction can be repeatedly performed, so that the focal position is ensured to be sufficiently clean, and the effect of the focal position of osteomyelitis increased.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the ultrasonic head of the present invention.
Fig. 3 is a schematic diagram of the connection of an ultrasound head to an ultrasound transducer in the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1-3, the invention provides an ultrasonic endoluminal knife device for cleaning a focus of osteomyelitis, which comprises a handle 1 and an ultrasonic head 2 detachably connected to one end of the handle 1, wherein a flushing outlet 21 and a suction inlet 22 are arranged on the ultrasonic head 2, an ultrasonic transducer 11 connected to the ultrasonic head 2 is arranged in the handle 1, and when the ultrasonic transducer 11 receives an ultrasonic signal, the ultrasonic head 2 generates ultrasonic oscillation through the ultrasonic transducer 11.
Through the setting of ultrasonic head, when need carry out debridement to osteomyelitis focal position, stretch into the focal position with the ultrasonic head and carry liquid to focal position inside through the dashing liquid export, then start ultrasonic transducer, make ultrasonic transducer produce the ultrasonic wave after receiving ultrasonic signal, and transmit ultrasonic wave to ultrasonic head department, and then make ultrasonic head carry out reciprocating oscillation in liquid inside, produce cavitation effect, make the liquid inside form the micron-order vacuum bubble of a large amount, and through the abrupt closure of bubble under oscillation pressure, make bubble collision each other produce the shock wave in the closure process, and then make impurity and the biomembrane of bacterium drop of focal position internal surface through a large amount of shock waves, cooperate continuous ultrasonic oscillation to carry out abundant clearance to focal position inside, after the clearance is accomplished, stop dashing liquid export and open the suction import, liquid suction that contains bacterium, impurity in focal position inside through the suction import, ultrasonic oscillation, dash, brush, suction can repeatedly go on, in order to guarantee that focal position is clean enough, increase osteomyelitis focal clearance effect.
It is worth mentioning that the scheme is suitable for ultrasonic cleaning in various cavities, in particular to a bone marrow cavity, a joint cavity and a synovial capsule cavity; the ultrasonic head provided by the scheme can be operated in the bursa cavity to obtain local pain sensory loss, and in addition, the tendon and tendon layers and other conditions of the tendon in gout arthritis are attached with a large amount of calcium crystals and the like, and the tendon and tendon crystals cannot be completely cleared by using a conventional cleaning method, so that the calcium crystals are cleared from the soft tissue more easily under the impact of ultrasonic oscillation, the bursa is wrapped at the attachment position of the tendon in the bursa cavity, and the generation of the osteophyte is caused under the action of various factors such as mechanical environment change, inflammatory factor release, hematoma and the like.
Preferably, the ultrasonic transducer 11 is internally provided with a conduit 12, and the end part of the conduit 12 is connected with the ultrasonic head 2.
Specifically, when the ultrasonic transducer receives an ultrasonic signal and converts the ultrasonic signal into ultrasonic output, the catheter is arranged inside the ultrasonic transducer in a penetrating way, and at the moment, ultrasonic waves can be transmitted through the catheter, so that an ultrasonic head connected with the end part of the catheter receives the ultrasonic waves through the catheter, the ultrasonic head is further enabled to form ultrasonic oscillation, and the ultrasonic transmission stability between the ultrasonic transducer and the ultrasonic head is improved.
Preferably, the positive pressure input pipe 13 and the negative pressure suction pipe 14 are arranged inside the conduit 12 in a penetrating way, when the end part of the conduit 12 is connected with the ultrasonic head 2, the positive pressure input pipe 13 is correspondingly connected with the flushing liquid outlet 21, and the negative pressure suction pipe 14 is correspondingly connected with the suction inlet 22.
Specifically, one end of the positive pressure input pipe is connected with an external infusion device, when liquid is required to be infused into the focus position through the infusion outlet, the infusion device is started to input liquid along the positive pressure input pipe so that the infusion outlet outputs liquid, the negative pressure suction pipe is connected with an external negative pressure device, when the liquid in the focus position is required to be sucked out through the suction inlet, the negative pressure device is started to generate negative pressure suction force so that the liquid in the focus position enters from the suction inlet and is output into the negative pressure device along the negative pressure suction pipe so as to ensure the cleaning effect in the focus position.
In particular, because this scheme adopts the inside mode that runs through of pipe and sets up positive pressure input tube and negative pressure suction tube, consequently pipe, positive pressure input tube and negative pressure suction tube occupy the same spatial position in the handle, significantly reduce three's occupation space volume for the handle need not the great of preparation, has reduced manufacturing cost, in order to improve the comfort level under the user's state of holding.
In the scheme, the external infusion device comprises a pulse device, the infusion body is subjected to constant temperature treatment through the pulse device, so that constant temperature body fluid enters a focus position to improve the cleaning effect, meanwhile, the liquid to be infused can be selected from liquid containing medicines or a common water source, and the mode of conveying the infusion body by the pulse device is adopted, so that the liquid flushing pressure can be ensured to have no adverse reaction on a normal bone trabecular structure and bone cells.
In the preferred embodiment of the present solution, the catheter is made of a metal material, and the ultrasonic waves can be effectively transmitted by the characteristics of the metal material, so as to ensure the transmission efficiency of the ultrasonic waves.
The outside of the ultrasonic head 2 of this scheme is equipped with the screw thread groove, and the setting of screw thread groove can increase the area of contact of ultrasonic head 2 and focus position liquid, and then improves the vibration effect. As shown in figure 2, the pipe diameter of the positive pressure input pipe 13 is uniform so as to facilitate stable input of liquid, and the pipe diameter of a channel where the ultrasonic head 2 and the positive pressure input pipe 13 are connected is designed to gradually decrease from a position close to the positive pressure input pipe 13 to a position far from the positive pressure input pipe 13, so that liquid gathers in the ultrasonic head 2 towards a flushing outlet, the infusion speed of flushing at the flushing outlet is improved, and the flushing effect is improved.
Preferably, the end of the ultrasonic head 2 far away from the handle 1 is provided with an arc-shaped structure, and the suction inlet 22 is penetrated in the arc-shaped structure.
Specifically, when the suction is carried out on the inside of the focus position through the suction inlet, the inside of the focus position can not be completely sucked by the straight cylinder type head due to the grooves, the bending positions and the like possibly existing in the focus position, and at the moment, the bending parts of the arc-shaped structure can be detected to the deep parts of the grooves, the bending positions and the like through the arc-shaped structure, so that the suction process is simpler, more convenient and more complete.
In particular, the end of the ultrasonic head distal to the handle is thinner than the end proximal to the handle so that the ultrasonic head can more easily penetrate into the small portion of the medullary cavity.
Preferably, the end of the ultrasonic head 2 far away from the handle 1 is provided with a caulking groove, and the hairbrush 23 is sleeved in the caulking groove.
Specifically, when ultrasonic oscillation is generated by the ultrasonic head, the brush can also be sleeved in the caulking groove, so that the brush can oscillate along with the ultrasonic head, and then the interior of a focus position is brushed by the brush, the cleaning degree in the flushing process is increased, and as the brush and the caulking groove are detachable, whether the brush is used or not can be adjusted according to specific using steps, and the adaptability of different focus position treatment processes is improved.
Preferably, the brush 23 is made of a flexible material.
Specifically, when the brush is matched with the ultrasonic head to carry out ultrasonic oscillation brushing, the situation that the brush damages normal bone tissues can be effectively avoided due to the flexibility of the brush.
In an embodiment of the present solution, the brush body is made of a silica gel material, and a plurality of protruding points are provided outside the brush body, and impurities inside the focus position are cleaned through the protruding points in the vibration process of the brush.
In another embodiment of the scheme, the outer side of the brush body is provided with a plurality of bristles, the lengths of the bristles are 2mm-5mm, the diameters of the single bristles are 0.05mm-1.5mm, and the brush body and the bristles are made of silica gel materials.
In an embodiment of the present disclosure, the ultrasonic head may be further provided with a plurality of suction inlets 22 at the same time, so that when a certain suction inlet is blocked, the water pumping step may be continued through the rest suction inlets, so as to avoid the equipment that is caused by blocking of a single suction hole.
Preferably, a buffer 3 is provided between the ultrasonic transducer 11 and the handle 1 and between the ultrasonic head 2 and the handle 1.
Specifically, when ultrasonic transducer produced ultrasonic wave and ultrasonic head produced ultrasonic oscillation, carry out the shock attenuation to ultrasonic transducer and ultrasonic head through the bolster for the handle shell can not receive great shock and feel, and the circumstances that leads to unable stable holding because shock and feel is great when avoiding the user to hold the handle, and then makes the handle can stable holding when using, in order to increase the clearance accuracy to focus position.
In the embodiment of the scheme, the buffer piece adopts a silica gel ring, and the ultrasonic transducer and the ultrasonic head are buffered and damped through the elasticity of the silica gel.
After receiving the high-frequency ultrasonic signal, the ultrasonic transducer provided by the scheme outputs ultrasonic waves to the front end of the ultrasonic head, and when the sound waves encounter liquid, the ultrasonic transducer can generate oscillation, and can separate the biomembrane in the focus from the trabecula or the implant, so that the biomembrane is conveniently washed away by the liquid.
Preferably, the ultrasonic device further comprises a host machine 4, wherein an ultrasonic generator 41 is arranged in the host machine 4, and the ultrasonic transducer 11 is connected with the ultrasonic generator 41 through a wire harness 5.
Specifically, when the ultrasonic head camera is required to be cleaned through ultrasonic oscillation, an ultrasonic generator in the main machine is started, then an ultrasonic signal is generated through the ultrasonic generator, and then the ultrasonic signal is transmitted to the ultrasonic transducer along a wire harness, so that the ultrasonic transducer generates ultrasonic waves.
Preferably, the host computer 4 is provided with a display area 42 and an adjustment button 43.
Specifically, the display area is used for displaying information such as ultrasonic signals and ultrasonic wave sizes, and meanwhile, a user controls the ultrasonic signal output size of the ultrasonic generator in a mode of rotating or pressing an adjusting button, so that the ultrasonic oscillation frequency of the ultrasonic head is controlled.
Preferably, the handle 1 is connected with a light supplementing lamp 15 and a camera 16 near one end of the ultrasonic head 2.
Specifically, in order to better observe the biological membrane in the cavity, osteophyte, calcium crystallization, cartilage-soft tissue interface, clear away and destroy the condition, this device is furnished with light source and endoscope device simultaneously, when using the ultrasonic head to clear up the focus position, open the light filling lamp and shine the focus position for the focus position depths also can be clear see, simultaneously through the setting of camera, not only can carry out case analysis through the display device that the camera is connected when using the ultrasonic head, but also can make a video recording the focus position through the camera to keep an image, in order to follow-up observation.
The invention also discloses a method for cleaning the focus of osteomyelitis, which adopts the ultrasonic intracavity knife device and comprises the following steps that after an ultrasonic head of the ultrasonic intracavity knife device stretches into a focus position, constant-temperature liquid is infused into the focus position through a flushing liquid outlet, ultrasonic oscillation is generated on the liquid in the focus position through the ultrasonic head, and when the ultrasonic oscillation lasts for a period of time, the ultrasonic oscillation is suspended and the liquid in the focus position is pumped out through an attraction inlet.
The present application is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present application can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present application fall within the scope of the present application.

Claims (6)

CN202210330175.3A2022-03-312022-03-31 Ultrasonic intracavitary knife device and cleaning method for osteomyelitis lesion cleaningActiveCN114748133B (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
CN202210330175.3ACN114748133B (en)2022-03-312022-03-31 Ultrasonic intracavitary knife device and cleaning method for osteomyelitis lesion cleaning

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
CN202210330175.3ACN114748133B (en)2022-03-312022-03-31 Ultrasonic intracavitary knife device and cleaning method for osteomyelitis lesion cleaning

Publications (2)

Publication NumberPublication Date
CN114748133A CN114748133A (en)2022-07-15
CN114748133Btrue CN114748133B (en)2025-01-03

Family

ID=82330100

Family Applications (1)

Application NumberTitlePriority DateFiling Date
CN202210330175.3AActiveCN114748133B (en)2022-03-312022-03-31 Ultrasonic intracavitary knife device and cleaning method for osteomyelitis lesion cleaning

Country Status (1)

CountryLink
CN (1)CN114748133B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN114681013A (en)*2020-12-302022-07-01北京大学第三医院(北京大学第三临床医学院) Joint surgery ultrasonic cleaning device

Citations (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN207707970U (en)*2017-03-102018-08-10江苏水木天蓬科技有限公司A kind of ultrasound knife cutter head
CN208017545U (en)*2017-09-182018-10-30张宇翔Synchronous cleaning type ultrasonic surgical blade

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN203408076U (en)*2013-08-082014-01-29北京欧柏龙科技发展有限公司Ultrasonic scalpel
US11020140B2 (en)*2015-06-172021-06-01Cilag Gmbh InternationalUltrasonic surgical blade for use with ultrasonic surgical instruments
US10368957B2 (en)*2015-12-212019-08-06Ethicon LlcUltrasonic surgical instrument with blade cleaning feature
CN108523988B (en)*2018-01-302020-07-07尹丽丽High-frequency electrotome treatment device
CN108670358A (en)*2018-05-292018-10-19林浩Ultrasonic osteotome bit device and its processing method under a kind of minimally invasive spine scope
CN109171888B (en)*2018-08-302019-05-21重庆市肿瘤研究所A kind of visual ultrasound knife and long-range ultrasonic surgical systems for liver and gall surgical department

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN207707970U (en)*2017-03-102018-08-10江苏水木天蓬科技有限公司A kind of ultrasound knife cutter head
CN208017545U (en)*2017-09-182018-10-30张宇翔Synchronous cleaning type ultrasonic surgical blade

Also Published As

Publication numberPublication date
CN114748133A (en)2022-07-15

Similar Documents

PublicationPublication DateTitle
US20220409177A1 (en)Ultrasonic endoscope
JP4847442B2 (en) Ultrasonic intracavity probe for 3D imaging
US20080188714A1 (en)Electromechanical in-situ cleaning of optical elements
JP7234119B2 (en) Ultrasound probe for intraoral soft tissue imaging
JP2002112963A (en)Method for washing inside of pipeline of medical equipment and device therefor
CN114748133B (en) Ultrasonic intracavitary knife device and cleaning method for osteomyelitis lesion cleaning
US7452338B2 (en)Intracoelomic mobile body, and capsule-type ultrasonic endoscope
CA3192480A1 (en)Device for removal of bacteria and biofilms from surfaces of implantable medical devices as well as from the surgical site
CN215023109U (en)Special vibrations sputum discharging appearance of old disease branch of academic or vocational study
CN110742695A (en)Visual minimally invasive diagnosis and treatment trolley
JPH08229044A (en)Mechanical scanning three-dimensional ultrasonic probe
JP4056643B2 (en) Ultrasonic diagnostic equipment
JP2005237980A (en)Ultrasonic diagnostic equipment and removal method of air bubble in ultrasonic diagnostic equipment
JP4594603B2 (en) Ultrasonic diagnostic equipment
JPS6230012B2 (en)
JP4216960B2 (en) Ultrasonic suction device
JP7301114B2 (en) ULTRASOUND DIAGNOSTIC SYSTEM AND METHOD OF OPERATION OF ULTRASOUND DIAGNOSTIC SYSTEM
JPH06304169A (en)Ultrasonic probe
JP4611556B2 (en) Endoscope
JP4560417B2 (en) Ultrasonic transducer, manufacturing method thereof, and ultrasonic probe
JP2001178727A (en)Ultrasonic probe
CN208096764U (en)Built-in rotating ultrasonic detection equipment
JPH074377B2 (en) Ultrasound endoscope
JP2549471Y2 (en) Ultrasound probe for body cavity
JP4339662B2 (en) Ultrasonic diagnostic equipment

Legal Events

DateCodeTitleDescription
PB01Publication
PB01Publication
SE01Entry into force of request for substantive examination
SE01Entry into force of request for substantive examination
GR01Patent grant
GR01Patent grant
TR01Transfer of patent right

Effective date of registration:20241230

Address after:Room 502-3, Building 9, No. 68 Dakang Road, Qingshanhu Street, Lin'an District, Hangzhou City, Zhejiang Province 311300

Patentee after:Hangzhou Everest Medical Technology Co.,Ltd.

Country or region after:China

Address before:210004 room 603, building 6, Hongda Xinyu, Jianye Road, Nanjing, Jiangsu Province

Patentee before:He Lili

Country or region before:China

TR01Transfer of patent right

[8]ページ先頭

©2009-2025 Movatter.jp