CN106955911A - A kind of cardiothoracic surgery reconstruction plate bending method - Google Patents
A kind of cardiothoracic surgery reconstruction plate bending method Download PDFInfo
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- CN106955911A CN106955911A CN201710250819.7A CN201710250819A CN106955911A CN 106955911 A CN106955911 A CN 106955911A CN 201710250819 A CN201710250819 A CN 201710250819A CN 106955911 A CN106955911 A CN 106955911A
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- bending
- cylinder
- reconstruction plate
- hole
- screw rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
Abstract
The present invention relates to a kind of cardiothoracic surgery reconstruction plate bending method, comprise the following steps：Step 1, reconstruction plate bending device is taken, the reconstruction plate bending device includes clamping head, operation tube, bending screw rod；Step 2, reconstruction plate is bent：Step 2.1, reconstruction plate is installed；Step 2.2, the bending screw rod is locked；Step 2.3, the reconstruction plate is bent；Step 2.4, plate is dismantled and rebuild；Step 3, sheet metal forming is rebuild：Repeat step 2, each position of reconstruction plate is folded into required angle；A kind of cardiothoracic surgery of the present invention reconstruction plate bending method simple and fast, it is easy to operate；And bending high precision.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to a kind of cardiothoracic surgery reconstruction plate bending method.
Background technology
Reconstruction plate is the apparatus commonly used in cardiac thoracic surgery, and reconstruction plate is more thin than increased pressure board, and nail is more and close, also than adding
Pressing plate is soft, easily moulding.Reconstruction plate is made by producer according to unified standard, and curved according to the progress of the actual conditions of patient by doctor
Implantation within a patient is used again after folding is moulding.
Applying date 2016.03.24, the patent type of application number 201620231699.7 discloses reconstruction plate and bends pincers, including
Left pincers pin and right clamp foot, also including left and right roller, left and right roller shaft, positioning sleeve and location-plate set fixed on the location-plate
Position axle and limited block, the left pincers pin set roll left wheel bore and centrally-located hole, and the right clamp foot sets right roller hole and center
Positioning hole, the left and right roller housing is on the left and right roller shaft, and the left and right roller shaft and the left and right roller
Hole is connected, and the limited block is arranged at left and right roller hole centre position, centrally-located of the locating shaft through left and right pincers pin
Hole is simultaneously in positioning sleeve connection, and the positioning sleeve includes drift angle and base portion, and the drift angle is into fixed angle, and the lucky position of the drift angle
Below limited block.
There is problems with above-mentioned patent：User is with the left pincers pin of hand bending and right clamp foot and then bends reconstruction plate, still
It can not accurately control the angle of bending, and bending degree is not fine enough.
The content of the invention
In order to solve background technology presence technical problem there is provided a kind of cardiothoracic surgery reconstruction plate bending method is simply fast
Victory, it is easy to operate；And bending high precision.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of cardiothoracic surgery reconstruction plate bending method, comprises the following steps：
Step 1, reconstruction plate bending device is taken：
The reconstruction plate bending device includes clamping head, operation tube, bending screw rod；
The clamping head is cylinder, and the clamping head is symmetrically arranged at the front end with a pair of articulated jibs being hinged therewith, described
It is provided with clamping head in beloid front clamp hole, the front clamp hole and is provided with spacing head, the clamping head rear end is symmetrically set
There are a pair of Elastic buckles, the Elastic buckle includes slidably being plugged in the inserted link of front clamp hole outer wall, is located at inserted link
The stopper of outer face, it is set on inserted link to drive the outside compression spring of inserted link, be located at the inner rear side of the inserted link
Connecting rod, the kelly for being located at the connection rod rear end, the articulated jib front end is provided with the limit to be plugged in reconstruction plate mesh
Position plug；
The operation tube includes：
Cylinder is operated, cylindrical tube shape, diameter is identical with the clamping head；
After clamp hole, square-section operates cylinder to set along the longitudinal direction described in insertion；
Annular slot, positioned at the rear clamping hole inwall front end, clamps in hole after the Elastic buckle insertion and passes through it
Kelly and annular slot clamping, the kelly not-go-end are abutted with the annular slot, and the clamping head, which is rotated, drives the elasticity
Buckle is clamped in hole and rotated in the rear；
Annular water jacket, takes shape in the operation cylinder body outer wall latter half；
Sideslip hole, is located at the outer groove sidewall of annular, connects, is provided with the sideslip hole along front and rear with the rear clamping hole
Slidably it is inserted with the positioning strip that direction is set, the positioning strip on the outside of spiro connecting piece, the spiro connecting piece and forms external screw thread, institute
To state be located in sideslip hole and be also hinged with check lock lever in front of the spiro connecting piece；
Locking nut, is set on the annular water jacket, is threadedly coupled to drive the spiro connecting piece with the spiro connecting piece
Slided along positioning strip, and then drive the check lock lever to swing；
Driving folder cylinder, it is rectangular-shaped, if in the rear clamping hole in, by left-hand cylinder, right cylinder fasten be molded, the left-hand cylinder inwall into
Type has a smooth groove of semi-circular section, and the right cylinder inwall forms internal thread, the right cylinder by the check lock lever drive so that with
The left-hand cylinder is fastened；
Caging bolt, is circumferentially distributed on the operation cylinder lower end outer, is pressed from both sides to arrest the limit locking nut and driving
The position of cylinder；
The bending screw rod sequentially passes through the front clamp hole, clamps hole afterwards from the front to the back, the bending screw rod and right cylinder
Screw-internal thread fit, the bending spiro rod rear end is provided with the limit channels that are matched with spacing head, and the bending screw front end is provided with
To the bending plug being plugged in reconstruction plate mesh；
Step 2, reconstruction plate is bent：
Step 2.1, reconstruction plate is installed：
Under normality, the bending screw rod is disengaged with the driving folder cylinder, can adjust the position of the bending screw rod
So that bending plug is plugged on the part that reconstruction plate needs to bend, reconstruction plate is then closed on into mesh and spacing plug grafting；
Step 2.2, the bending screw rod is locked：
The locking nut is rotated, because the locking nut is threadedly coupled with the spiro connecting piece, the spiro connecting piece is along institute
Positioning strip stepping forward is stated, the spiro connecting piece drives the check lock lever to swing, and the check lock lever to internal locking, makes the right cylinder
Left-hand cylinder, right cylinder fasten the complete driving folder cylinder of shaping, and screw thread coordinates between the internal thread of the right cylinder and the bending screw rod；
Step 2.3, the reconstruction plate is bent：
Hand pinches the operation tube front end and rotating operation cylinder, and twisting resistance is passed to driving folder by the rear clamping hole of square-section
Cylinder, the driving folder cylinder drives the bending screw rod stepping forward, and by reconstruction plate, jack-up is extremely forward by the bending plug
Required shape；
Step 2.4, plate is dismantled and rebuild：
Reconstruction plate is pulled down, the locking nut is then rotated and rotates backward so that the driving folder cylinder and bending screw rod
Between depart from coordinate；
Step 3, sheet metal forming is rebuild：
Repeat step 2, each position of reconstruction plate is folded into required angle.
Further, when the connecting rod is rotated with clamping head, its circular motion track is located at the rear clamping hole rectangle
In the range of the inscribed circle in section, it is to avoid produce interference with rear clamping hole.
Further, the bending screw front end is additionally provided with a pair to arrest limit reconstruction plate positioned at the bending plug both sides
The complementary plug of two sides.
Further, the clamping head, operation cylinder circumferential side wall are densely covered with anti-skidding salient point.
Beneficial effects of the present invention：
Reconstruction plate bending device compact conformation used in reconstruction plate bending method of the present invention, periphery is cylinder
Shape, is easy to hand-held.
Reconstruction plate bending method simple and fast of the present invention：Only needing to twist locking nut can be real with bending screw rod
Now match, then twisting operation tube can drive bending screw rod to be bent reconstruction plate, easy to operate.
Reconstruction plate bending method of the present invention bends high precision：Twist the operation tube one week, the bending screw rod
Travel distance is its pitch, bending as one pitch of distance of the reconstruction plate, therefore the bending high precision of the present invention.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the reconstruction plate bending device.
Fig. 2 is the sectional view of the reconstruction plate bending device.
Fig. 3 is the sectional view of Section A-A in Fig. 2.
Fig. 4 is the sectional view (only showing Elastic buckle and the mating part of operation tube) of section B-B in Fig. 2.
In figure:
1. clamping head, 11. articulated jibs, 12. front clamp holes, 13. spacing heads, 14. Elastic buckles, 14a. inserted links, 14b. gears
Head, 14c. compression springs, 14d. connecting rods, 14e. kellies, 15. spacing plugs；
2. operation tube, 21. operation cylinders clamp hole after 22., 23. annular slots, 24. annular water jackets, 25. sideslip holes,
25a. positioning strips, 25b. spiro connecting pieces, 25c. check lock levers, 26. locking nuts, 27. driving folder cylinders, 27a. left-hand cylinders, the right cylinders of 27b.,
28. caging bolt；
3. bending screw rod, 31. limit channels, 32. bending plugs, 33. complementary plugs；
4. reconstruction plate.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
A kind of cardiothoracic surgery reconstruction plate bending method, comprises the following steps：
Step 1, reconstruction plate bending device is taken：
The reconstruction plate bending device includes clamping head 1, operation tube 2, bending screw rod 3；
The clamping head 1 is cylinder, and the clamping head 1 is symmetrically arranged at the front end with a pair of articulated jibs 11 being hinged therewith,
It is provided with the clamping head 1 in beloid front clamp hole 12, the front clamp hole 12 and is provided with spacing first 13, the clamping head
1 rear end is arranged with a pair of Elastic buckles 14, and the Elastic buckle 14 includes slidably being plugged in outside the front clamp hole 12
The inserted link 14a of wall, the stopper 14b for being located at inserted link 14a outer faces, it is set on inserted link 14a to drive the pressures of inserted link 14a outwards
Contracting spring 14c, the connecting rod 14d for being located at the inner rear sides of the inserted link 14a, the kelly for being located at the connecting rod 14d rear ends
14e, the front end of articulated jib 11 is provided with the spacing plug 15 to be plugged in the mesh of reconstruction plate 4；
The operation tube 2 includes：
Cylinder 21 is operated, cylindrical tube shape, diameter is identical with the clamping head 1；
Hole 22 is clamped afterwards, and square-section operates cylinder 21 to set along the longitudinal direction described in insertion；
Annular slot 23, positioned at the rear clamping inwall front end of hole 22, the Elastic buckle 14 is clamped in hole 22 after inserting
And by its kelly 14e and the clamping of annular slot 23, the kelly 14e not-go-end is abutted with the annular slot 23, the clamping
First 1 rotates the drive Elastic buckle 14 clamps rotation in hole 22 in the rear；
Annular water jacket 24, takes shape in the operation outer wall latter half of cylinder 21；
Sideslip hole 25, is located at the side wall of annular water jacket 24, connects, is set in the sideslip hole 25 with the rear clamping hole 22
Having slidably be inserted with spiro connecting piece 25b, the spiro connecting piece on the positioning strip 25a, the positioning strip 25a set along the longitudinal direction
To form be located in external screw thread, the sideslip hole 25 on the outside of 25b and be also hinged with check lock lever 25c in front of the spiro connecting piece 25b；
Locking nut 26, is set on the annular water jacket 24, is threadedly coupled to drive with the spiro connecting piece 25b described
Spiro connecting piece 25b is slided along positioning strip 25a, and then drives the check lock lever 25c to swing；
Driving folder cylinder 27, it is rectangular-shaped, it is described if fastened and be molded by left-hand cylinder 27a, right cylinder 27b in clamping hole 22 in the rear
Left-hand cylinder 27a inwalls form the smooth groove of semi-circular section, and the right cylinder 27b inwalls form internal thread, and the right cylinder 27b is by institute
State check lock lever 25c drivings and then fastened with the left-hand cylinder 27a；
Caging bolt 28, is circumferentially distributed on the operation cylinder 21 lower end outer, to arrest the limit He of locking nut 26
The position of driving folder cylinder 27；
The bending screw rod 3 sequentially passes through the front clamp hole 12, rear clamping hole 22, the bending screw rod 3 from the front to the back
With right cylinder 27b screw-internal thread fit, the rear end of bending screw rod 3 is provided with and spacing first 13 limit channels 31 matched, the folding
The front end of skew-swept airfoil 3 is provided with the bending plug 32 to be plugged in the mesh of reconstruction plate 4；
Step 2, reconstruction plate 4 is bent：
Step 2.1, reconstruction plate 4 is installed：
Under normality, the bending screw rod 3 is disengaged with the driving folder cylinder 27, can adjust the bending screw rod 3
Position make it that bending plug 32 is plugged on the part of the needs of reconstruction plate 4 bending, then inserts the mesh that closes on of reconstruction plate 4 with spacing
First 15 grafting；
Step 2.2, the bending screw rod 3 is locked：
The locking nut 26 is rotated, it is described to be spirally connected because the locking nut 26 is threadedly coupled with the spiro connecting piece 25b
Part 25b is along the positioning strip 25a steppings forward, and the spiro connecting piece 25b drives the check lock lever 25c to swing, the check lock lever 25c
By the right cylinder 27b to internal locking, left-hand cylinder 27a, right cylinder 27b is set to fasten the complete driving folder cylinder 27 of shaping, the right cylinder 27b's
Screw thread coordinates between internal thread and the bending screw rod 3；
Step 2.3, the reconstruction plate 4 is bent：
Hand pinches the front end of operation tube 2 and rotating operation cylinder 2, and twisting resistance is passed to drive by the rear clamping hole 22 of square-section
Dynamic folder cylinder 27, the driving folder cylinder 27 drives the stepping forward of bending screw rod 3, and by the bending plug 32 by reconstruction plate
4 forward jack-up to required shape；
Step 2.4, plate 4 is dismantled and rebuild：
Reconstruction plate 4 is pulled down, the locking nut 26 is then rotated and rotates backward so that the driving folder cylinder 27 and bending
Depart between screw rod 3 and coordinate；
Step 3, reconstruction plate 4 is molded：
Repeat step 2, each position of reconstruction plate 4 is folded into required angle.
Further, when the connecting rod 14d is rotated with clamping head 1, its circular motion track is located at the rear clamping hole
In the range of the inscribed circle of 22 square-sections, it is to avoid produce interference with rear clamping hole 22.
Further, the front end of bending screw rod 3 is additionally provided with a pair to arrest freight weight limit positioned at the both sides of bending plug 32
Build the complementary plug 33 of the two sides of plate 4.
Further, the clamping head 1, the operation circumferential side wall of cylinder 21 are densely covered with anti-skidding salient point.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (4)
1. a kind of cardiothoracic surgery reconstruction plate bending method, comprises the following steps：
Step 1, reconstruction plate bending device is taken：
The reconstruction plate bending device includes clamping head (1), operation tube (2), bending screw rod (3)；
The clamping head (1) is cylinder, and the clamping head (1) is symmetrically arranged at the front end with a pair of articulated jibs being hinged therewith
(11), it is provided with the clamping head (1) in beloid front clamp hole (12), the front clamp hole (12) and is provided with spacing head
(13), clamping head (1) rear end is arranged with a pair of Elastic buckles (14), and the Elastic buckle (14) includes slidable insert
The inserted link (14a) of front clamp hole (12) outer wall is located at, the stopper (14b) of inserted link (14a) outer face is located at, is set in inserted link
Connection on (14a) to drive the outside compression spring (14c) of inserted link (14a), be located at the inner rear side of the inserted link (14a)
Bar (14d), the kelly (14e) for being located at the connecting rod (14d) rear end, articulated jib (11) front end are provided with to be plugged in weight
The spacing plug (15) built in plate (4) mesh；
The operation tube (2) includes：
Cylinder (21) is operated, cylindrical tube shape, diameter is identical with the clamping head (1)；
Hole (22) are clamped afterwards, square-section operates cylinder (21) to set along the longitudinal direction described in insertion；
Annular slot (23), positioned at described rear clamping hole (22) inwall front end, hole is clamped after Elastic buckle (14) insertion
(22) in and by its kelly (14e) and annular slot (23) clamping, kelly (14e) not-go-end and the annular slot (23)
Abut, the clamping head (1), which rotates, drives the Elastic buckle (14) to clamp rotation in hole (22) in the rear；
Annular water jacket (24), takes shape in described operation cylinder (21) outer wall latter half；
Sideslip hole (25), is located at annular water jacket (24) side wall, is connected with rear clamping hole (22), the sideslip hole (25)
It is interior provided with the positioning strip set along the longitudinal direction (25a), be slidably inserted with spiro connecting piece (25b), institute on the positioning strip (25a)
State to form be located in external screw thread, the sideslip hole (25) on the outside of spiro connecting piece (25b) and be also hinged with front of the spiro connecting piece (25b)
Check lock lever (25c)；
Locking nut (26), is set on the annular water jacket (24), is threadedly coupled to drive institute with the spiro connecting piece (25b)
State spiro connecting piece (25b) to slide along positioning strip (25a), and then drive the check lock lever (25c) to swing；
Driving folder cylinder (27), it is rectangular-shaped, if in the rear in clamping hole (22), fastened and be molded by left-hand cylinder (27a), right cylinder (27b),
Left-hand cylinder (27a) inwall forms the smooth groove of semi-circular section, and right cylinder (27b) inwall forms internal thread, the right side
Cylinder (27b) is driven by the check lock lever (25c) and then fastened with the left-hand cylinder (27a)；
Caging bolt (28), is circumferentially distributed on described operation cylinder (21) lower end outer, to arrest the limit locking nut (26)
With the position of driving folder cylinder (27)；
The bending screw rod (3) sequentially passes through the front clamp hole (12), clamps hole (22) afterwards from the front to the back, the bending screw rod
(3) with the screw-internal thread fit of right cylinder (27b), bending screw rod (3) rear end is provided with the limit channels matched with spacing head (13)
(31), bending screw rod (3) front end is provided with the bending plug (32) to be plugged in reconstruction plate (4) mesh；
Step 2, bending reconstruction plate (4)：
Step 2.1, reconstruction plate (4) is installed：
Under normality, the bending screw rod (3) disengages with the driving folder cylinder (27), can adjust the bending screw rod (3)
Position cause bending plug (32) be plugged on reconstruction plate (4) needs bending part, reconstruction plate (4) is then closed on into mesh
With spacing plug (15) grafting；
Step 2.2, the bending screw rod (3) is locked：
The locking nut (26) is rotated, because the locking nut (26) is threadedly coupled with the spiro connecting piece (25b), the spiral shell
Fitting (25b) is along the positioning strip (25a) stepping forward, and the spiro connecting piece (25b) drives the check lock lever (25c) to swing, institute
Check lock lever (25c) is stated by the right cylinder (27b) to internal locking, left-hand cylinder (27a), right cylinder (27b) is fastened the complete driving of shaping
Cylinder (27) is pressed from both sides, screw thread coordinates between the internal thread and the bending screw rod (3) of the right cylinder (27b)；
Step 2.3, the reconstruction plate 4 is bent：
Hand pinches the operation tube (2) front end and rotating operation cylinder (2), and the rear clamping hole (22) of square-section passes to twisting resistance
Driving folder cylinder (27), the driving folder cylinder (27) drives bending screw rod (3) stepping forward, and passes through the bending plug
(32) by reconstruction plate (4) forward jack-up to required shape；
Step 2.4, plate (4) is dismantled and rebuild：
Reconstruction plate (4) is pulled down, the locking nut (26) is then rotated and rotates backward so that the driving folder cylinder (27) and folding
Depart between skew-swept airfoil (3) and coordinate；
Step 3, reconstruction plate (4) is molded：
Repeat step 2, each position of reconstruction plate (4) is folded into required angle.
2. a kind of cardiothoracic surgery reconstruction plate bending method according to claim 1, it is characterised in that：The connecting rod
When (14d) is rotated with clamping head (1), its circular motion track is located at the inscribed circle scope of described rear clamping hole (22) square-section
It is interior, it is to avoid to produce interference with rear clamping hole (22).
3. a kind of cardiothoracic surgery reconstruction plate bending method according to claim 1, it is characterised in that：The bending screw rod
(3) front end is additionally provided with a pair of complementary plugs to arrest limit reconstruction plate (4) two sides positioned at bending plug (32) both sides
(33)。
4. a kind of cardiothoracic surgery reconstruction plate bending method according to claim 1, it is characterised in that：The clamping head
(1), operation cylinder (21) circumferential side wall is densely covered with anti-skidding salient point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250819.7A CN106955911B (en) | 2017-04-18 | 2017-04-18 | A kind of cardiothoracic surgery reconstruction plate bending method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250819.7A CN106955911B (en) | 2017-04-18 | 2017-04-18 | A kind of cardiothoracic surgery reconstruction plate bending method |
Publications (2)
| Publication Number | Publication Date |
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| CN106955911A true CN106955911A (en) | 2017-07-18 |
| CN106955911B CN106955911B (en) | 2018-04-03 |
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ID=59484154
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710250819.7A Expired - Fee Related CN106955911B (en) | 2017-04-18 | 2017-04-18 | A kind of cardiothoracic surgery reconstruction plate bending method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113367617A (en) * | 2021-06-23 | 2021-09-10 | 浙江农林大学暨阳学院 | Intelligent sweeper |
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| CN2868488Y (en) * | 2005-11-10 | 2007-02-14 | 张启锋 | Medical steel plate single-forcep multi-way bending modeling forceps |
| WO2014055081A1 (en) * | 2012-10-04 | 2014-04-10 | Synthes Usa, Llc | Orthognathic bending pliers |
| US20150012003A1 (en) * | 2013-07-03 | 2015-01-08 | Acumed Llc | Instrument for bending a bone fixation device |
| CN205379357U (en) * | 2016-06-01 | 2016-07-13 | 张正松 | Novel bolt taking -out forceps for general surgeries |
| CN106236216A (en) * | 2016-03-24 | 2016-12-21 | 上海景堂医疗器械有限公司 | Reconstruction plate bends pincers |
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2017
- 2017-04-18 CN CN201710250819.7A patent/CN106955911B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868488Y (en) * | 2005-11-10 | 2007-02-14 | 张启锋 | Medical steel plate single-forcep multi-way bending modeling forceps |
| WO2014055081A1 (en) * | 2012-10-04 | 2014-04-10 | Synthes Usa, Llc | Orthognathic bending pliers |
| CN104684497A (en) * | 2012-10-04 | 2015-06-03 | 新特斯有限责任公司 | Orthognathic bending pliers |
| US20150012003A1 (en) * | 2013-07-03 | 2015-01-08 | Acumed Llc | Instrument for bending a bone fixation device |
| CN106236216A (en) * | 2016-03-24 | 2016-12-21 | 上海景堂医疗器械有限公司 | Reconstruction plate bends pincers |
| CN205379357U (en) * | 2016-06-01 | 2016-07-13 | 张正松 | Novel bolt taking -out forceps for general surgeries |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113367617A (en) * | 2021-06-23 | 2021-09-10 | 浙江农林大学暨阳学院 | Intelligent sweeper |
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Effective date of registration: 20180227 Address after: 266003 Jiangsu Road, Shandong, China, No. 16, No. Applicant after: Affiliated Hospital of University Of Qingdao Address before: 250014, No. ten, No. 16369, Lixia District, Ji'nan City, Shandong Province Applicant before: Zhu Pengfei |
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