CN110731803B - Heart surgical operation assistor - Google Patents
Heart surgical operation assistor Download PDFInfo
- Publication number
- CN110731803B CN110731803B CN201911142645.8A CN201911142645A CN110731803B CN 110731803 B CN110731803 B CN 110731803B CN 201911142645 A CN201911142645 A CN 201911142645A CN 110731803 B CN110731803 B CN 110731803B
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- rod
- mounting
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- rack
- gear
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- 238000007675 cardiac surgery Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 26
- 238000001356 surgical procedure Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 210000000115 thoracic cavity Anatomy 0.000 abstract description 2
- 210000000038 chest Anatomy 0.000 description 10
- 210000000245 forearm Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000031229 Cardiomyopathies Diseases 0.000 description 1
- 208000002330 Congenital Heart Defects Diseases 0.000 description 1
- 208000025584 Pericardial disease Diseases 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013132 cardiothoracic surgery Methods 0.000 description 1
- 208000028831 congenital heart disease Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000024348 heart neoplasm Diseases 0.000 description 1
- 208000018578 heart valve disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000031225 myocardial ischemia Diseases 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
-
- 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
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
-
- 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
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
- A61B2090/309—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using white LEDs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgical Instruments (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a cardiac surgery operation assistor, which comprises a mounting frame and a spreading assembly, wherein the spreading assembly comprises two spreading plates and a driving unit for driving the two spreading plates to synchronously and reversely move, the two spreading plates are respectively and fixedly arranged on two mounting blocks at the bottom of the mounting frame, the mounting blocks are in sliding connection with the mounting frame, the driving unit comprises a gear, a rack, a threaded rod, a driving rod and a connecting rod, a cylindrical pin is arranged on the gear in a sliding manner, the spreading assembly is arranged, the threaded rod is driven to rotate and simultaneously move downwards by matching, the threaded rod drives the rack to move downwards, the rack drives the two gears to synchronously rotate, the two gears drive the driving rod to swing, the driving rod drives the mounting blocks and the spreading plates at the bottom ends of the mounting blocks to move outwards by the connecting rod, the thoracic cavity of a patient to be operated is spread, medical staff can, the effect of adjusting the swing amplitude of the driving rod is achieved, so that the movement stroke of the opening plate is adjusted, and the adaptability is high.
Description
Technical Field
The invention relates to the technical field of operation auxiliary equipment, in particular to an auxiliary device for a cardiac surgery operation.
Background
Cardiothoracic surgery also encompasses cardiac surgery and general thoracic surgery for study of trauma to the great vessels of the heart, pericardial disease, congenital heart disease, acquired valvular heart disease, ischemic heart disease, cardiac tumors, great vessel disease, interventional therapy, surgical treatment of cardiac arrhythmias, cardiac pacing and implantable defibrillation cardioverters, dynamic cardiomyopathy, heart, lung, and heart-lung transplants, and the like.
Heart surgery department when carrying out the operation treatment, need open patient's thorax and carry out the operation, in the past because the patient needs physiology breathing, the thorax is in constantly the contraction state, influences medical staff and carries out the operation, so need strut the device, chinese utility model discloses an open chest ware, include: the locking device comprises a fixed arm, a movable arm, a sliding rod and a locking device, wherein the rear end of the fixed arm is fixedly connected with the sliding rod; the rear end of the movable arm can be connected to the sliding rod in a sliding way; the locking device is arranged on the movable arm and used for locking the movable arm on the sliding rod; the fixed arm includes: the first front arm and the first rear arm are movably connected together, and the first front arm can be bent outwards relative to the first rear arm; the movable arm includes: the second forearm and the second postbrachium that swing joint is in the same place, the relative second postbrachium of second forearm can outwards be buckled to first forearm and the second forearm of division chest ware can automatic bending when touchhing the patient rib at the in-process that stretches forward in-process in the operation process, thereby avoid hard fixed arm and digging arm to take place hard collision with the rib and cause the patient rib to be injured. The technical problem of patient's rib is hindered easily to two head ends of the chest opener among the prior art is solved, but above-mentioned chest opener can only be adjusted from one side, but because the thorax is symmetrical, only adjust from one side, the control range is little on the one hand, and on the other hand, can't guarantee the symmetry that the thorax propped open, inconvenient medical personnel operate, causes the damage to the patient easily simultaneously.
Disclosure of Invention
An embodiment of the present invention is directed to providing a cardiac surgical assist device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
an assist device for cardiac surgery comprises a mounting frame and a spreading assembly, wherein the spreading assembly comprises two spreading plates and a driving unit for driving the two spreading plates to synchronously and reversely move, the two spreading plates are respectively and fixedly arranged on two mounting blocks at the bottom of the mounting frame, the mounting blocks are in sliding connection with the mounting frame, the driving unit comprises a gear, a rack, a threaded rod, driving rods and a connecting rod, the threaded rod penetrates through the top of the mounting frame and is in threaded connection with the top of the mounting frame, the rack is vertically and rotatably arranged at the bottom end of the threaded rod, gears meshed with the rack are respectively arranged on two sides of the rack, the driving rods are respectively connected with the front sides of the two gears in a matching manner, the two driving rods are symmetrically arranged, the lower parts of the driving rods are hinged with the mounting frame through pin shafts, cylindrical pins are arranged on the front end faces of, the bottom end of the driving rod is hinged with a connecting rod, and the other end of the connecting rod is hinged with the top of the mounting block.
In one alternative: the integral type is equipped with the slider on the installation piece, set up on the mounting bracket and supply the gliding spout of slider.
In one alternative: the guide spline rod is arranged on the lower portion of the rack in a penetrating mode and fixed to the bottom of the mounting frame, the guide spline rod is fixed to the mounting frame through welding, and a spline groove in sliding fit with the guide spline rod is formed in the rack.
In one alternative: the bottom of the mounting frame is provided with a lighting lamp in the middle of the two spreading plates, and the lighting lamp is an LED lamp.
In one alternative: and a protective cushion layer is adhered to the side wall of the opening plate, which is in contact with the patient.
In one alternative: installation pole is all installed to the mounting bracket both sides, and the installation pole is the Z style of calligraphy, and installation pole bottom is equipped with the construction bolt that is used for being connected with the operating table.
In one alternative: the mounting rod is connected with the mounting frame in a sliding mode, the mounting rod is provided with a sliding rail through a screw, the mounting frame is provided with a sliding groove in sliding connection with the sliding block, and a first fastening bolt is connected between the sliding rail and the mounting frame.
In one alternative: the cylindrical pin is integrally arranged on the gear.
In one alternative: the cylindrical pin is slidably mounted on the gear, a movable block which is integrally arranged with the cylindrical pin is arranged in the gear, a guide groove for the cylindrical pin to move is formed in the gear, and a second fastening bolt for fixing the movable block is arranged between the movable block and the gear.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
this application is equipped with the subassembly that struts, the subassembly that struts includes two and is used for driving two drive unit that strut the synchronous reverse motion of board, drive unit includes gear, rack, threaded rod, actuating lever and connecting rod, through the fast turn carousel, the carousel drives the threaded rod and rotates simultaneous downstream, the threaded rod drives rack downstream, the rack drives two synchronous rotations of gear, two gears drive the actuating lever swing, the actuating lever passes through the connecting rod and drives the strut board of installation piece and bottom and move to the outside, thereby strut the patient's thorax of performing the operation, make things convenient for medical personnel to perform the operation, can be according to the height of patient's size adjustment mounting bracket, high adaptability can pass through the position of adjustment cylindric lock, reach the effect of adjustment actuating lever swing range, thereby the motion stroke of adjustment strut board, high adaptability.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a three-dimensional view of a threaded rod, rack, and pinion of a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a schematic view of the connection between the gear and the cylindrical pin according to the second embodiment of the present invention.
Notations for reference numerals: the device comprises a mounting frame, a gear 2, a driving rod 3, a rack 4, a threaded rod 5, a rotary table 6, a through groove 7, a cylindrical pin 8, a pin shaft 9, a connecting rod 10, a mounting block 11, a spreading plate 12, a lighting lamp 13, a sliding block 14, a guide spline rod 15, a mounting rod 16, a mounting bolt 17, a sliding rail 18, a first fastening bolt 19, a second fastening bolt 20 and a movable block 21.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1-2, in the embodiment of the present invention, an assist device for cardiac surgery comprises an installation frame 1 and an expanding assembly, wherein the expanding assembly comprises two expanding plates 12 and a driving unit for driving the two expanding plates 12 to synchronously and reversely move, the two expanding plates 12 are respectively and fixedly installed on two installation blocks 11 at the bottom of the installation frame 1, the installation blocks 11 are slidably connected with the installation frame 1, a sliding block 14 is integrally installed on the installation blocks 11, a sliding groove for the sliding block 14 to slide is formed on the installation frame 1, the driving unit comprises a gear 2, a rack 4, a threaded rod 5, a driving rod 3 and a connecting rod 10, the threaded rod 5 penetrates through the top of the installation frame 1 and is in threaded connection with the top of the installation frame 1, a rotary table 6 is fixed at the top of the threaded rod 5, the rotary table 6 is preferably fixed with the threaded rod 5 by welding, the rack 4 is vertically, in this embodiment, the rack 4 is preferably rotatably connected to the threaded rod 5 through a bearing, the gears 2 engaged with the rack 4 are disposed on both sides of the rack 4, further, in order to ensure the stability of the movement, a guiding spline rod 15 is disposed under the rack 4, the guiding spline rod 15 is fixed at the bottom of the mounting frame 1, in this embodiment, the guiding spline rod 15 is preferably fixed on the mounting frame 1 by welding, a spline groove slidably fitted with the guiding spline rod 15 is formed in the rack 4, driving rods 3 are respectively coupled to the front sides of the two gears 2, the two driving rods 3 are symmetrically disposed, the lower portion of the driving rod 3 is hinged to the mounting frame 1 through a pin shaft 9, a cylindrical pin 8 is disposed on the front end surface of the gear 2, in this embodiment, the cylindrical pin 8 is integrally disposed on the gear 2, and a through groove 7 for the cylindrical pin 8 to be inserted and slide is formed, meanwhile, in order to avoid the cylindrical pin 8 from being separated from the through groove 7, a limit nail is arranged at the end part of the cylindrical pin 8 in a penetrating mode, a connecting rod 10 is hinged to the bottom end of the driving rod 3, the other end of the connecting rod 10 is hinged to the top of the mounting block 11, when the mounting frame 1 is mounted on an operating table in use, the rotary table 6 is rotated quickly, the rotary table 6 drives the threaded rod 5 to rotate and move downwards, the threaded rod 5 drives the rack 4 to move downwards, the rack 4 drives the two gears 2 to synchronously rotate in the direction shown in the figure 1, the two gears 2 drive the driving rod 3 to swing, and the driving rod 3 drives the mounting block 11 and the opening plate 12 at the bottom end of the mounting block 11 to move outwards through the;
further, in order to ensure the brightness in the operation, an illuminating lamp 13 is installed at the bottom of the mounting frame 1 and positioned between the two opening plates 12, the illuminating lamp 13 is preferably an LED lamp, and a protective cushion is adhered to the side wall of each opening plate 12, which is in contact with the patient, so that the patient is prevented from being damaged;
Example 2
Referring to fig. 3 to 4, the embodiment of the invention is different from embodiment 1 in that the mounting rod 16 is slidably connected to the mounting frame 1, the mounting rod 16 is provided with a slide rail 18 through a screw, the mounting frame 1 is provided with a slide groove slidably connected to the slider 14, and a first fastening bolt 19 is connected between the slide rail 18 and the mounting frame 1, so that the height of the mounting frame 1 can be adjusted according to the body size of the patient, and the adaptability is high;
further, in order to adjust the biggest stroke that props up the board 12 motion, in order to satisfy different operation needs, cylindric lock 8 slidable mounting is on gear 2, be equipped with the movable block 21 that sets up with 8 integral types of cylindric lock in the gear 2, set up the guide way that supplies the cylindric lock 8 motion on the gear 2, be equipped with the second fastening bolt 20 that is used for fixed movable block 21 between movable block 21 and the gear 2, through unscrewing second fastening bolt 20, then remove movable block 21 through second fastening bolt 20, movable block 21 drives cylindric lock 8 and removes, through the position of adjustment cylindric lock 8, reach the effect of the 3 swing range of adjustment actuating lever, thereby adjust the motion stroke that props up board 12, strong adaptability.
The working principle of the invention is as follows: during the use, install mounting bracket 1 on the operating table, through quick rotation carousel 6, carousel 6 drives threaded rod 5 and rotates simultaneous downstream, threaded rod 5 drives rack 4 downstream, rack 4 drives two gears 2 and rotates with the direction in figure 1 is synchronous, two gears 2 drive the swing of actuating lever 3, actuating lever 3 passes through connecting rod 10 and drives the board 12 that struts of installation piece 11 and its bottom and move to the outside, thereby prop open patient's thorax in the operation, make things convenient for medical personnel to operate, can be according to patient's size adjustment mounting bracket 1's height, strong adaptability, can pass through the position of adjustment cylindric lock 8, reach the effect of the 3 amplitude of oscillation of adjustment actuating lever, thereby adjust the motion stroke of board 12, strong adaptability.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. The heart surgery operation assistor comprises an installation frame (1) and a spreading assembly, wherein the spreading assembly comprises two spreading plates (12) and a driving unit for driving the two spreading plates (12) to synchronously and reversely move, the two spreading plates (12) are respectively and fixedly installed on two installation blocks (11) at the bottom of the installation frame (1), the installation blocks (11) are in sliding connection with the installation frame (1), and the heart surgery operation assistor is characterized in that the driving unit comprises a gear (2), a rack (4), a threaded rod (5), a driving rod (3) and a connecting rod (10), and the threaded rod (5) penetrates through the top of the installation frame (1) and is in threaded connection with the top of the installation frame (1);
the rack (4) is vertically and rotatably installed at the bottom end of the threaded rod (5), gears (2) meshed with the rack (4) are arranged on two sides of the rack (4), driving rods (3) are connected to the front sides of the two gears (2) in a matched mode, the two driving rods (3) are symmetrically arranged, the lower portion of each driving rod (3) is hinged to the installation frame (1) through a pin shaft (9), a cylindrical pin (8) is arranged on the front end face of each gear (2), a through groove (7) for the cylindrical pin (8) to be inserted and slide is formed in each driving rod (3), a connecting rod (10) is hinged to the bottom end of each driving rod (3), and the other end of each connecting rod (10) is;
the cylindrical pin (8) is integrally arranged on the gear (2);
or the cylindrical pin (8) is slidably mounted on the gear (2), a movable block (21) which is integrally arranged with the cylindrical pin (8) is arranged in the gear (2), a guide groove for the cylindrical pin (8) to move is formed in the gear (2), and a second fastening bolt (20) for fixing the movable block (21) is arranged between the movable block (21) and the gear (2).
2. The cardiac surgery assistor as defined in claim 1, wherein the mounting block (11) is integrally provided with a sliding block (14), and the mounting frame (1) is provided with a sliding slot for the sliding block (14) to slide.
3. The cardiac surgery assistor according to claim 1, characterized in that a guide spline rod (15) is arranged at the lower part of the rack (4) in a penetrating manner, the guide spline rod (15) is fixed at the bottom of the mounting frame (1), the guide spline rod (15) is fixed on the mounting frame (1) through welding, and a spline groove in sliding fit with the guide spline rod (15) is formed in the rack (4).
4. The cardiac surgery assistor according to claim 1, characterized in that a lighting lamp (13) is installed at the bottom of the mounting frame (1) at a position between the two spreading plates (12), and the lighting lamp (13) is an LED lamp.
5. Heart surgical aid according to claim 1, characterized in that a protective cushion is adhered to the side wall of the spreader plate (12) that is in contact with the patient.
6. The cardiac surgery assistor according to claim 1, characterized in that mounting rods (16) are mounted on both sides of the mounting frame (1), the mounting rods (16) are Z-shaped, and the bottom ends of the mounting rods (16) are provided with mounting bolts (17) for connecting with an operating table.
7. The cardiac surgery assistor as defined in claim 6, wherein the mounting rod (16) is slidably connected to the mounting frame (1), a sliding rail (18) is mounted on the mounting rod (16) through a screw, a sliding groove slidably connected to the slider (14) is formed in the mounting frame (1), and a first fastening bolt (19) is connected between the sliding rail (18) and the mounting frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142645.8A CN110731803B (en) | 2019-11-20 | 2019-11-20 | Heart surgical operation assistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142645.8A CN110731803B (en) | 2019-11-20 | 2019-11-20 | Heart surgical operation assistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110731803A CN110731803A (en) | 2020-01-31 |
| CN110731803B true CN110731803B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911142645.8A Active CN110731803B (en) | 2019-11-20 | 2019-11-20 | Heart surgical operation assistor |
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| CN (1) | CN110731803B (en) |
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| CN112156342A (en) * | 2020-10-15 | 2021-01-01 | 李园媛 | Gynaecology who reduces extravagant and evenly dose uses private parts device of dosing |
| CN112754552B (en) * | 2021-01-11 | 2022-02-01 | 青岛市城阳区人民医院 | High overspeed device tensioner for thoracic surgery clinical operation of security |
| CN113133793B (en) * | 2021-04-22 | 2022-06-17 | 常州市第一人民医院 | Distractor for orthopedic surgery |
| CN114848049B (en) * | 2022-03-02 | 2024-07-19 | 中国人民解放军空军军医大学 | Thoracic surgery thorax strutting arrangement with adjustable |
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| US8162952B2 (en) * | 2006-09-26 | 2012-04-24 | Ebi, Llc | Percutaneous instrument assembly |
| CN204133512U (en) * | 2014-10-21 | 2015-02-04 | 姜荣 | Gear linkage type neurosurgery retractor |
| CN204411206U (en) * | 2015-01-26 | 2015-06-24 | 谢暴 | A kind of mechanical lifting multifunction throat spectroscopy chair |
| CN205251603U (en) * | 2016-01-16 | 2016-05-25 | 中国人民解放军第四军医大学 | Openheart surgery is with strutting ware |
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| CN107174298B (en) * | 2017-07-04 | 2019-11-26 | 台州信一智能科技有限公司 | A kind of dilator used for medical procedures |
| CN107260465A (en) * | 2017-07-31 | 2017-10-20 | 云南省第二人民医院 | A kind of lower limb dressing change footrest rack for being easy to precisely adjust |
| CN208447665U (en) * | 2017-08-16 | 2019-02-01 | 杨涌 | A kind of novel abdominal retractor of surgery |
| CN208784765U (en) * | 2017-08-18 | 2019-04-26 | 王学杰 | A kind of fixed device of cardio-cerebral angiography |
| CN107349042A (en) * | 2017-09-07 | 2017-11-17 | 南陵县生产力促进中心有限公司 | A kind of Orthopaedic nursing towing bracket |
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| CN208426150U (en) * | 2018-01-24 | 2019-01-25 | 周成伟 | A kind of thoracic surgery dilator having protective case |
| CN112020559A (en) * | 2018-02-21 | 2020-12-01 | 百时美施贵宝公司 | CAMK2D antisense oligonucleotide and use thereof |
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- 2019-11-20 CN CN201911142645.8A patent/CN110731803B/en active Active
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| CN110731803A (en) | 2020-01-31 |
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