[go: up one dir, main page]

CN113598850B - A device for exposure of the upper abdomen in laparoscopic surgery - Google Patents

A device for exposure of the upper abdomen in laparoscopic surgery Download PDF

Info

Publication number
CN113598850B
CN113598850B CN202111002474.6A CN202111002474A CN113598850B CN 113598850 B CN113598850 B CN 113598850B CN 202111002474 A CN202111002474 A CN 202111002474A CN 113598850 B CN113598850 B CN 113598850B
Authority
CN
China
Prior art keywords
arc
spring
liver
horizontal section
section
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
CN202111002474.6A
Other languages
Chinese (zh)
Other versions
CN113598850A (en
Inventor
郝博
赵安
邱权威
温贺新
刘牧林
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.)
First Affiliated Hospital of Bengbu Medical College
Original Assignee
First Affiliated Hospital of Bengbu Medical College
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 First Affiliated Hospital of Bengbu Medical College filed Critical First Affiliated Hospital of Bengbu Medical College
Priority to CN202111002474.6A priority Critical patent/CN113598850B/en
Publication of CN113598850A publication Critical patent/CN113598850A/en
Application granted granted Critical
Publication of CN113598850B publication Critical patent/CN113598850B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/02Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
    • A61B17/0218Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • A61G13/10Parts, details or accessories
    • A61G13/101Clamping means for connecting accessories to the operating table
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgical Instruments (AREA)

Abstract

The application provides a device for exposing the upper abdomen of laparoscopic surgery, which comprises a fixed bracket (8) and a lifting part, and is characterized in that: the lifting part comprises a horizontal section (1), one end of the horizontal section (1) is connected with a longitudinal section (2), a bending part (3) is arranged on the horizontal section (1), a first arc-shaped part (4) is arranged at one end of the bending part (3), a second arc-shaped part (5) is arranged at the other end of the bending part (3), springs (6) are respectively arranged on the first arc-shaped part and the second arc-shaped part (4, 5), and a control rope (7) is clamped on each spring (6). The application has the advantages of convenient use, simple operation, adjustable liver posture and convenient adjustment, and other parts except the contact of the control rope and the liver are not contacted with the liver in the operation process, thereby effectively avoiding the problems of damage, postoperative infection, transaminase rise and the like caused by the direct contact of the traditional liver retractor and the liver.

Description

一种用于腹腔镜手术上腹部暴露的装置A device for exposure of the upper abdomen in laparoscopic surgery

技术领域:Technical field:

本发明涉及一种手术器械,具体地说就是一种用于腹腔镜手术上腹部暴露的装置。The invention relates to a surgical instrument, in particular to a device for exposing the upper abdomen in laparoscopic surgery.

背景技术:Background technique:

从1987年完成了世界首例腹腔镜手术之后,随着腹腔镜设备及器械的不断完善,腹腔镜技术的不断提高,腹腔镜手术得到了蓬勃发展,适应证也逐渐扩大。现在,腹腔内所有器官的手术都可以通过腹腔镜手术的方式进行。在对上腹部器官,如胃、胰腺等,进行腹腔镜手术时,正常人的左肝经常会影响手术野的显露,为了挡开左肝。Since the world's first laparoscopic surgery was completed in 1987, with the continuous improvement of laparoscopic equipment and instruments, and the continuous improvement of laparoscopic technology, laparoscopic surgery has developed vigorously and its indications have gradually expanded. Operations on all organs in the abdominal cavity can now be performed laparoscopically. When performing laparoscopic surgery on upper abdominal organs, such as the stomach and pancreas, the left liver of normal people often affects the exposure of the surgical field, in order to block the left liver.

现有技术中出现了肝脏拉钩直接推、挑肝脏或用其它器械夹持纱布块推、挑肝脏,此类操作不稳定,亦常导致肝脏损伤、感染,术后转氨酶升高等问题,而且会造成腹腔内器械纵横交错、互相干扰影响手术操作,而且在手术中无法根据需要再次调节肝脏姿态。In the prior art, the liver retractor is used to directly push and pick the liver or use other instruments to clamp the gauze piece to push and pick the liver. This kind of operation is unstable and often leads to liver damage, infection, postoperative transaminase elevation and other problems, and will cause Instruments in the abdominal cavity are criss-crossed, interfering with each other and affecting the operation, and the liver posture cannot be adjusted again as needed during the operation.

发明内容:Invention content:

本发明就是为克服现有技术中的不足,提供一种用于腹腔镜手术上腹部暴露的装置。In order to overcome the deficiencies in the prior art, the present invention provides a device for exposing the upper abdomen in laparoscopic surgery.

本申请提供以下技术方案:The application provides the following technical solutions:

一种用于腹腔镜手术上腹部暴露的装置,它包括固定支架和提吊部件,其特征在于:所述提吊部件包括水平段,在水平段一端连接有纵向段,在所述水平段上设有弯曲部,在弯曲部一端设有第一弧形部,在弯曲部另一端设有第二弧形部,在第一、二弧形部上分别设有一段弹簧,在每段弹簧上卡接有至少一根控制绳。A device for exposing the upper abdomen in laparoscopic surgery, which includes a fixed bracket and a lifting part, and is characterized in that: the lifting part includes a horizontal section, and a longitudinal section is connected to one end of the horizontal section. A curved portion is provided, a first arc-shaped portion is provided at one end of the curved portion, a second arc-shaped portion is provided at the other end of the curved portion, a section of spring is respectively arranged on the first and second arc-shaped sections, and each section of spring At least one control rope is clamped.

在上述技术方案的基础上,还可以有以下进一步的技术方案:On the basis of above-mentioned technical scheme, also can have following further technical scheme:

所述的控制绳医用无菌绳,在控制绳一端端部系有两个间隔分布的绳结,两个绳结之间的绳体与弹簧形成卡接配合,该绳体在弹簧上留有移动的余量。The medical sterile rope of the control rope is tied with two knots distributed at intervals at one end of the control rope, and the rope body between the two knots forms a clamping fit with the spring, and the rope body leaves a gap on the spring. Margin to move.

所述的固定支架包括与手术床连接配合的卡槽,在卡槽上设有立杆,在立杆上通过十字形连接件,连接有横杆,在横杆上连接有与纵向段连接配合的万向夹具。The fixed bracket includes a card slot that is connected and matched with the operating bed, and a vertical bar is provided on the card slot, and a cross bar is connected to the vertical bar through a cross-shaped connector, and a horizontal bar is connected to the vertical section to connect and cooperate with the vertical bar. universal fixture.

所述水平段和纵向段为一体式结构采用医用不锈钢制成。The integral structure of the horizontal section and the longitudinal section is made of medical stainless steel.

所述弹簧的弹簧丝之间相互贴合,使得弹簧整体成拉簧式结构,由医用不锈钢制成。The spring wires of the spring are attached to each other, so that the spring as a whole forms a tension spring structure and is made of medical stainless steel.

发明优点:Advantages of the invention:

本发明使用方便、操作简单,肝脏姿态可调且调节方便,手术过程中除控制绳与肝脏接触外其它部分不与肝脏接触,有效的避免了现有的肝脏拉钩直接与肝脏接触对肝脏造成的损伤、术后感染、转氨酶升高等术后问题。The invention is easy to use and easy to operate, and the posture of the liver is adjustable and convenient to adjust. During the operation, other parts except the control rope contact with the liver do not contact the liver, effectively avoiding the damage to the liver caused by the direct contact of the existing liver hooks with the liver. Injury, postoperative infection, elevated transaminases and other postoperative problems.

附图说明:Description of drawings:

图1是本发明中提吊部件的结构示意图;Fig. 1 is the structural representation of lifting part among the present invention;

图2是本发明中提吊部件使用时的示意图;Fig. 2 is the schematic diagram when lifting part is used in the present invention;

图3是提吊部件与固定支架连接时的示意图。Fig. 3 is a schematic diagram when the lifting part is connected to the fixed bracket.

具体实施方式:Detailed ways:

如图1-3所示,一种用于腹腔镜手术上腹部暴露的装置,它包括固定支架8和配合连接的提吊部件,所述提吊部件包括条状的水平段1,所述的水平段1包括第一弧形部4,在第一弧形部4一端延伸出与肝圆韧带对应分布的弯曲部3,在弯曲部3一端延伸第二弧形部5。在第一弧形部4和第二弧形部5上分别套接有与其对应同轴分布的弹簧6,弹簧6的弹簧丝之间相互贴合,使得弹簧6整体成拉簧式结构。As shown in Figures 1-3, a device for exposure of the upper abdomen in laparoscopic surgery, it includes a fixed bracket 8 and a lifting part that is mated and connected, and the lifting part includes a strip-shaped horizontal section 1, and the The horizontal section 1 includes a first arc portion 4 , a curved portion 3 corresponding to the round ligament of the liver extends from one end of the first arc portion 4 , and a second arc portion 5 extends from one end of the curved portion 3 . The first arc portion 4 and the second arc portion 5 are respectively sleeved with springs 6 corresponding to the coaxial distribution, and the spring wires of the springs 6 are attached to each other, so that the spring 6 as a whole forms a tension spring structure.

在第二弧形部5的端部向上延伸出条状的纵向段2,所述的纵向段2包括第一纵向弧形部a,在第一纵向弧形部一端延伸出横向分布的水平部b,在水平部b的端部微微向上翘起。所述水平段1和纵向段2为一体式结构并与弹簧6同样均采用医用不锈钢制成。A strip-shaped longitudinal section 2 is extended upwards from the end of the second arc portion 5, and the longitudinal section 2 includes a first longitudinal arc portion a, and a transversely distributed horizontal portion extends from one end of the first longitudinal arc portion b, the end of the horizontal portion b is slightly tilted upwards. The horizontal section 1 and the longitudinal section 2 are of integral structure and are made of medical stainless steel like the spring 6 .

设置多根医用无菌绳作为控制绳7,在控制绳7一端端部系有两个间隔分布的绳结7a,两个绳结7a之间绳体较长(大于弹簧6螺旋的直径)可以卡入弹簧6的弹簧丝之间,通过弹簧丝可以夹住控制绳7一端端部,而通过手术器械牵拉绳结7a的方式调整控制绳7。A plurality of medical sterile ropes are set as the control rope 7, and two knots 7a distributed at intervals are tied at one end of the control rope 7, and the rope body is longer (greater than the diameter of the spring 6 helix) between the two knots 7a. Clamped between the spring wires of the spring 6, one end of the control rope 7 can be clamped by the spring wire, and the control rope 7 can be adjusted by pulling the knot 7a with the surgical instrument.

所述的固定支架8包括卡槽8a,在卡槽8a一侧穿设有与手术床形成锁紧配合的锁紧螺栓8f,在卡槽8a另一侧固定连接有竖直分布的立杆8b,在立杆8b上通过十字形连接件8c连接有横向分布的横杆8d,在横杆8d一端连接有万向夹具8e。所述的万向夹具8e包括插接在横杆8d的连接部18a,在连接部18a上设有与横杆8d对应配合的插孔,在连接部18a上还设有与横杆8d对应配合的锁紧销18b,在连接部18a球头连接有摆臂18c,在摆臂18c上设有与水平部b形成对应配合安装孔,在摆臂18c上设有与水平部b形成锁紧配合的抵紧销。The fixed bracket 8 includes a card slot 8a, on one side of the card slot 8a, a locking bolt 8f that forms a locking fit with the operating bed is pierced, and on the other side of the card slot 8a, a vertically distributed vertical rod 8b is fixedly connected , the vertical bar 8b is connected with a horizontally distributed crossbar 8d through a cross-shaped connecting piece 8c, and a universal clamp 8e is connected with one end of the crossbar 8d. The universal clamp 8e includes a connection part 18a inserted into the cross bar 8d, and a jack corresponding to the cross bar 8d is provided on the connection part 18a, and a socket corresponding to the cross bar 8d is also provided on the connection part 18a. The locking pin 18b is connected to the ball head of the connecting part 18a with a swing arm 18c, and the swing arm 18c is provided with a mounting hole corresponding to the horizontal part b, and the swing arm 18c is provided with a locking fit with the horizontal part b offset.

使用方法:Instructions:

手术时术者将固定支架安装到位,而后在腹腔镜状态下,第一弧形部4的一端通过一个切口保护器伸入患者腹腔,而后逐渐伸入使得整个水平段1进入患者腹腔,再将提吊部件固定在固定支架上,再通过调整摆臂18c将弯曲部3对准肝圆韧带以便将水平段1调整到合适位置。During the operation, the operator installs the fixing bracket in place, and then under the laparoscope, one end of the first arc-shaped part 4 extends into the patient's abdominal cavity through an incision protector, and then gradually extends so that the entire horizontal section 1 enters the patient's abdominal cavity, and then inserts the The lifting part is fixed on the fixed bracket, and then the bending part 3 is aligned with the round ligament of the liver by adjusting the swing arm 18c so as to adjust the horizontal section 1 to a proper position.

在手术用针上穿系控制绳7,而后将控制绳7缝到肝脏10下方的腹腔筋膜9上,整个过程后将多根控制绳7缝在筋膜不同位置上,而后再将各个控制绳7一端端部的两个绳结7a之间的绳体卡入对应弹簧6上的不同位置的弹簧丝之间,从而通过拉紧控制绳7的方式将“平躺”在腹腔内肝脏竖起,暴露手术视野,在过程中随着手术进程,可以通过拉拽绳结7a的方式来调整控制绳7的收紧程度,进而调整肝脏的姿态,而且也可以随时去除对应的控制绳7来调整肝脏的姿态,对应手术的进度。 Thread the control rope 7 on the surgical needle, and then sew the control rope 7 to the abdominal fascia 9 below the liver 10. The rope body between the two knots 7a at one end of the rope 7 is clipped between the spring wires corresponding to different positions on the spring 6, so that the liver can be "lying flat" vertically in the abdominal cavity by tightening the control rope 7. From the beginning, the surgical field of view is exposed. During the operation, the tightening degree of the control rope 7 can be adjusted by pulling the knot 7a, and then the posture of the liver can be adjusted. The corresponding control rope 7 can also be removed at any time. Adjust the posture of the liver to correspond to the progress of the operation.

Claims (3)

1. A device for laparoscopic surgical epigastric exposure comprising a fixed support (8) and a lifting element, characterized in that: the lifting part comprises a horizontal section (1), one end of the horizontal section (1) is connected with a longitudinal section (2), a bending part (3) which is distributed corresponding to hepatic ligaments is arranged on the horizontal section (1), a first arc-shaped part (4) is arranged at one end of the bending part (3), a second arc-shaped part (5) is arranged at the other end of the bending part (3), a section of spring (6) is respectively arranged on the first arc-shaped part and the second arc-shaped part (4, 5), and at least one control rope (7) is clamped on each section of spring (6); the fixed support (8) comprises a clamping groove (8 a) which is connected and matched with the operating table, a vertical rod (8 b) is arranged on the clamping groove (8 a), a cross rod (8 d) is connected to the vertical rod (8 b) through a cross connecting piece (8 c), and a universal clamp (8 e) which is connected and matched with the longitudinal section (2) is connected to the cross rod (8 d); the horizontal section (1) and the longitudinal section (2) are integrated and made of medical stainless steel.
2. A device for laparoscopic surgical epigastric exposure according to claim 1, wherein: the control rope (7) is a medical sterile rope, two knots (7 a) which are distributed at intervals are tied at one end part of the control rope (7), a rope body between the two knots (7 a) and the spring (6) form clamping fit, and a movable allowance is reserved on the spring (6) of the rope body.
3. A device for laparoscopic surgical epigastric exposure according to claim 1, wherein: the spring wires of the springs (6) are mutually attached, so that the springs (6) are integrally formed into a tension spring structure and are made of medical stainless steel.
CN202111002474.6A 2021-08-30 2021-08-30 A device for exposure of the upper abdomen in laparoscopic surgery Active CN113598850B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111002474.6A CN113598850B (en) 2021-08-30 2021-08-30 A device for exposure of the upper abdomen in laparoscopic surgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111002474.6A CN113598850B (en) 2021-08-30 2021-08-30 A device for exposure of the upper abdomen in laparoscopic surgery

Publications (2)

Publication Number Publication Date
CN113598850A CN113598850A (en) 2021-11-05
CN113598850B true CN113598850B (en) 2023-08-25

Family

ID=78342269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111002474.6A Active CN113598850B (en) 2021-08-30 2021-08-30 A device for exposure of the upper abdomen in laparoscopic surgery

Country Status (1)

Country Link
CN (1) CN113598850B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2068121A1 (en) * 1992-05-07 1993-11-08 Michel Gagner Abdomen Suspending Device
JP2000166930A (en) * 1998-12-09 2000-06-20 Hama Ika Kogyo Kk Abdominal wall hanging-up implement for medical use
CN102813535A (en) * 2012-08-08 2012-12-12 薛运章 Mesenteric vessel suspension apparatus
CN204744271U (en) * 2015-05-20 2015-11-11 四川大学华西医院 Liver suspension device for laparoscopic surgery
CN205144629U (en) * 2015-11-13 2016-04-13 中国人民解放军第四军医大学 Abdominal cavity internal organs suspend area in midair
CN205672086U (en) * 2016-05-01 2016-11-09 杨奕夫 Laparoscopic surgery liver suspention sheet
CN207590709U (en) * 2017-03-27 2018-07-10 南方医科大学南方医院 Liver device is dialled for peritoneoscope stomach gut surgery
CN210009067U (en) * 2018-12-13 2020-02-04 北京大学第三医院 Posterior laparoscopic perirenal fascia suspension device
CN210249928U (en) * 2018-10-15 2020-04-07 云南省肿瘤医院 A traction device for laparoscopic surgery
CN111388032A (en) * 2020-03-19 2020-07-10 郑州大学第一附属医院 Organ Suspension Device for Endoscopic Surgery

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2068121A1 (en) * 1992-05-07 1993-11-08 Michel Gagner Abdomen Suspending Device
JP2000166930A (en) * 1998-12-09 2000-06-20 Hama Ika Kogyo Kk Abdominal wall hanging-up implement for medical use
CN102813535A (en) * 2012-08-08 2012-12-12 薛运章 Mesenteric vessel suspension apparatus
CN204744271U (en) * 2015-05-20 2015-11-11 四川大学华西医院 Liver suspension device for laparoscopic surgery
CN205144629U (en) * 2015-11-13 2016-04-13 中国人民解放军第四军医大学 Abdominal cavity internal organs suspend area in midair
CN205672086U (en) * 2016-05-01 2016-11-09 杨奕夫 Laparoscopic surgery liver suspention sheet
CN207590709U (en) * 2017-03-27 2018-07-10 南方医科大学南方医院 Liver device is dialled for peritoneoscope stomach gut surgery
CN210249928U (en) * 2018-10-15 2020-04-07 云南省肿瘤医院 A traction device for laparoscopic surgery
CN210009067U (en) * 2018-12-13 2020-02-04 北京大学第三医院 Posterior laparoscopic perirenal fascia suspension device
CN111388032A (en) * 2020-03-19 2020-07-10 郑州大学第一附属医院 Organ Suspension Device for Endoscopic Surgery

Also Published As

Publication number Publication date
CN113598850A (en) 2021-11-05

Similar Documents

Publication Publication Date Title
US10660816B2 (en) Surgical support for providing knee torsion
US20110087067A1 (en) Internal retractor systems
BRPI0617357A2 (en) fixation device for fixing bone elements, and method for fixing bone elements
CN113598850B (en) A device for exposure of the upper abdomen in laparoscopic surgery
CN209074718U (en) Intracavitary traction device
CN210871789U (en) Achilles tendon stitching instrument
CN215994090U (en) Device for exposing upper abdomen for operation
CN112674816B (en) An inflation-free laparoscopic suspension surgery device
CN202568339U (en) Organ sling for minimally invasive abdominal surgery
CN208838034U (en) An automatic retractor for minimally invasive spine surgery
CN215960052U (en) Non-inflatable endoscope suspension operation device
CN211610565U (en) Auxiliary fixing device for endoscope
US20210030409A1 (en) Table mounted retractor system
CN115177397A (en) Auxiliary instrument for opening animal oral cavity
CN222487573U (en) Coronal surface guide device applied to closed reduction internal fixation of patella fracture
CN218960875U (en) Positioning device for abdominal cavity puncture outfit
CN207681866U (en) A kind of microtubular inner tube pulling device
CN109350148B (en) Flat bone fracture suturing device and suturing method thereof
KR101871421B1 (en) Angle and direction settable surgical retractor
CN219207493U (en) Auxiliary instrument for opening animal oral cavity
CN209529209U (en) A kind of pre-knotted hook for surgery operation system
CN217772396U (en) Neurosurgery deep operation field microscopic retractor fixed by anchor plate
KR102402478B1 (en) Organ retractor clamp, organ retractor having the calmp and surgery kit for organ retracting including the same
JP2000166930A (en) Abdominal wall hanging-up implement for medical use
RU2238045C1 (en) Laparolift device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20230731

Address after: 233000, 287 Changhuai Road, Bengbu, Anhui Province

Applicant after: THE FIRST AFFILIATED HOSPITAL OF BENGBU MEDICAL College (AFFILIATED TUMOR HOSPITAL OF BENGBU MEDICAL COLLEGE)

Address before: 233000, No. 287, Changhuai Road, Longzihu District, Bengbu City, Anhui Province

Applicant before: Hao Bo

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant