CN104107084B - Claw type sternum fixer - Google Patents
Claw type sternum fixer Download PDFInfo
- Publication number
- CN104107084B CN104107084B CN201410370991.2A CN201410370991A CN104107084B CN 104107084 B CN104107084 B CN 104107084B CN 201410370991 A CN201410370991 A CN 201410370991A CN 104107084 B CN104107084 B CN 104107084B
- Authority
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- China
- Prior art keywords
- plate
- pawl
- lock
- sawtooth
- interior
- 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.)
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- 210000001562 sternum Anatomy 0.000 title claims abstract description 45
- 210000000078 claw Anatomy 0.000 title claims abstract description 20
- 238000010862 gear shaping Methods 0.000 claims abstract description 29
- 210000000038 chest Anatomy 0.000 claims abstract description 13
- 230000036770 blood supply Effects 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000001356 surgical procedure Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000013132 cardiothoracic surgery Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of claw type sternum fixer, including interior pawl hooks plate and outer pawl hooks plate, outer pawl hooks the socket on plate with spline portion, interior pawl hooks has, on plate, the gear shaping portion coordinating with the grafting of teeth groove portion, interior pawl is hooked plate and is plugged in together by the cooperation in gear shaping portion and teeth groove portion, is provided with the first sawtooth, gear shaping portion is provided with the second sawtooth with the first jigsaw fit in teeth groove portion, it is additionally provided with the lock cooperating on interior pawl hook plate release and lock porosity, and lock releases and is hinged on interior pawl hook plate；When lock release hook relative to interior pawl plate turn to fit in lock porosity when, first sawtooth in described teeth groove portion and second sawtooth in gear shaping portion are meshed so that interior pawl hooks plate and outer pawl hooks plate tight fit.The present invention just can not only can be locked and open without any aid, reduces operating time, and tries to gain time precious to one for rescuing patient, improves success rate of operation, and regulation can be facilitated to open chest and close up width, fixing easy, stable.
Description
Technical field
The present invention relates to a kind of claw type sternum fixer, belong to medical instruments field, solid after being used for cardiothoracic surgery open chest surgery
Determine breastbone.
Background technology
At present, in the treatment needing open chest surgery, the breastbone closing fixer operation closing chest operation use is still undesirable, no
Can be in all case without secondary thoracotomy immediately under the premise of special equipment, the breastbone closing fixer of prior art is in a hospital
After using, in the case of patient has arrived the ICU in ward, owing to state of an illness burst need to open chest immediately, as patient is moved to operating room,
Do not allow on time, it is necessary to taking to open chest immediately and rescuing, the apparatus that can fixator breastbone be reopened at that time is in operation
Room, does not even also sterilize, if a kind of claw type sternum fixer at this moment can be had just to open without any instrument, just
Can try to gain time precious to one for rescuing patient.Carry out openheart surgery typically all to carry out at the high training large hospital of technical merit,
When patient discharge returns to such as be in an emergency behind locality, have little time former hospitalize, if not having again at local hospital
Special equipment, need to open rescue and cannot quickly carry out at all.Now develop a kind of product, solve above-mentioned occurred asking
Topic.
Content of the invention
The technical problem to be solved is the defect overcoming prior art, provides a kind of claw type sternum fixer, it
Just can not only can be locked and open without any aid, and open whenever and wherever possible, reduce operating time,
And try to gain time precious to one for rescuing patient, improve success rate of operation, and regulation can be facilitated to open chest and close up width,
Fixing easy, stable.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of claw type sternum fixer, including interior pawl hooks
Plate and outer pawl hook plate, outer pawl hooks the socket on plate with spline portion, and interior pawl hooks to have on plate and coordinates with the grafting of teeth groove portion
Gear shaping portion, interior pawl is hooked plate and is plugged in together by the cooperation in gear shaping portion and teeth groove portion, is provided with the first sawtooth in teeth groove portion,
Being provided with the second sawtooth with the first jigsaw fit in gear shaping portion, described interior pawl hooks and is additionally provided with, on plate, the lock cooperating
Release and lock porosity, and lock releases and is hinged on interior pawl hook plate；Turn to detach relative to interior pawl hook plate when lock releases
During lock porosity, first sawtooth in described teeth groove portion and second sawtooth in gear shaping portion are separated so that interior pawl hooks plate and outer pawl hooks
Plate move coordinate realize both upper and lower, move left and right；Turn to fit in lock porosity relative to interior pawl hook plate when lock releases
When, first sawtooth in described teeth groove portion and second sawtooth in gear shaping portion are meshed and reach interior pawl hook plate and outer pawl hook plate close-fitting
Close.
Further providing a kind of structure preferably to catch on breastbone outer so that open chest surgery, described interior pawl hooks plate also
Having a pawl in breastbone, described outer pawl hooks plate and also has the outer pawl of breastbone, in breastbone pawl and the outer pawl of breastbone match setting so that
Catch on breastbone outer.
Further for making out chest adjustment width width, range is wide, and beneficially operating personnel select when operation, described
Teeth groove portion be the groove of through whole socket.
Put into outer pawl hook plate when non-snap close from all directions further for enabling interior pawl to hook plate, and work as its snap close
When interior pawl hook plate and outer pawl and hook plate and will not produce shifting phenomena, described interior pawl hooks plate and outer pawl hook be provided with between plate spacing
Mechanism, described position-limit mechanism includes fin and the dovetail groove matching with corresponding fin, and fin is arranged in gear shaping portion,
And it is positioned at the lower section of the second sawtooth, dovetail groove is opened in the sidepiece in teeth groove portion on socket, and is positioned at the lower section of the first sawtooth；When
Lock releases when turning to detach lock porosity relative to interior pawl hook plate, and fin and dovetail groove fail to contact cooperation can make interior pawl hook
The gear shaping portion of plate put into outer pawl hook plate teeth groove portion realize both upper and lower, move left and right；When lock releases relative to interior pawl
Hooking in plate turns to fit into lock porosity and interior pawl hooking the gear shaping portion of plate when putting into the teeth groove portion that outer pawl hooks plate, fin coordinates
In dovetail groove, both move up and down is locked.
Further for reducing the cover-up surface after this claw type sternum fixer is arranged on breastbone, make blood supply better, make more
Closing faster and better, the socket of described outer pawl hook plate has multiple minimizing with breastbone contact area thus increases the saturating of blood supply
Pore.
Further provide a kind of structure being capable of the first sawtooth and the second engagement and disengaging, described lock porosity
The cooperation face of being provided with, described lock releases and is provided with fillet surface, and cooperation face and fillet surface cooperate to for strutting interior pawl
Hooking plate makes the second sawtooth and the first engagement.
Further, interior pawl hooks plate and/or outer pawl hooks plate and/or lock releases and is made up of industrially pure titanium material.
After have employed technique scheme, the claw type sternum fixer of the present invention uses lock to release, and sets on interior pawl hook plate
Count the lock porosity coordinating that releases with lock accordingly, lock is released combined with interior pawl hook plate, make it lock with pivot pin connection and release
Hooking at interior pawl up and down can be movable in plate, for unclamping shape when lock releases upwards, for locking shape when pressing, when lock releases and opens
In it, the opening of pawl hook plate reduces, and its gear shaping portion can put into freely up and down or the teeth groove portion that outer pawl hooks plate, pawl are slipped in left and right
Shape sternum fixer puts in place and only need to press lock when need to fix and release entrance lock porosity, utilizes lock to release a following fillet surface, its
Make interior pawl hook plate in overlying dimension change big press-in lock porosity to strut, after its second sawtooth is engaged with the first sawtooth of outer pawl hook plate
Making it be rapidly reached locking, interior pawl hooks plate and outer pawl hooks plate and is relatively fixed, and such locking mechanism, without using instrument, is cured
More convenient and quicker, safety during green hand's art, particularly need to be again turned on immediately can opening rapidly rescue patient whenever and wherever possible, be
Rescue life and win the quality time.
Brief description
Fig. 1 is the stereogram when lock releases upwards for the claw type sternum fixer of the present invention；
Fig. 2 is that the claw type sternum fixer of the present invention is when the stereogram that releases when pressing of lock；
Fig. 3 is the structural representation of the outer pawl hook plate of the present invention；
Fig. 4 is the structural representation of the interior pawl hook plate of the present invention；
Fig. 5 is the structural representation that the lock of the present invention releases；
Fig. 6 is the stereogram that the lock of the present invention releases.
Detailed description of the invention
It is clearly understood to make present disclosure be easier to, below according to specific embodiment and combine accompanying drawing, to this
Invention is described in further detail.
As shown in figs. 1 to 6, a kind of claw type sternum fixer, including interior pawl hooks plate 201 and outer pawl hooks plate 101, outer pawl hooks
Having the socket 1 of spline portion 1-1 on plate 101, interior pawl hooks has coordinates with the 1-1 grafting of teeth groove portion slotting on plate 201
Teeth portion 2, interior pawl is hooked plate 201 and is plugged in together by the cooperation in gear shaping portion 2 and teeth groove portion 1-1, sets in teeth groove portion 1-1
Being equipped with the first sawtooth 1-2, gear shaping portion 2 being provided with the second sawtooth 2-1 coordinating with the first sawtooth 1-2, interior pawl hooks plate 201
On be additionally provided with the lock cooperating and release 3 and lock porosity 2-2, and lock to release and 3 be hinged on interior pawl and hook on plate 201；
When lock release 3 relative to interior pawl hook plate 201 turn to detach lock porosity 2-2 when, the first sawtooth 1-2 of teeth groove portion 1-1
It is separated with the second sawtooth 2-1 in gear shaping portion 2 so that interior pawl hooks plate 201 and outer pawl hooks and plate 101 dynamic cooperation realizes both
Up and down, move left and right；When lock release 3 interior pawl is hooked plate 201 turn to fit in lock porosity 2-2 when, teeth groove portion
The second sawtooth 2-1 in the first sawtooth 1-2 of 1-1 and gear shaping portion 2 is meshed and reaches interior pawl hook plate 201 and outer pawl hook plate 101
Tight fit.
In order to preferably catch on breastbone outer so that open chest surgery, as shown in Figure 1, 2, interior pawl hooks plate 201 and also has chest
Pawl 4 in bone, outer pawl hooks plate 101 and also has the outer pawl 5 of breastbone, in breastbone pawl 4 and the outer pawl 5 of breastbone match setting so that
Catch on breastbone outer.
In order to make out chest adjustment width width, range is wide, and beneficially operating personnel select when operation, as it is shown in figure 1,
Teeth groove portion 1-1 is the groove of through whole socket 1.
Put into outer pawl hook plate 101 in order to enable interior pawl to hook plate 201 when non-snap close from all directions, and when its lock
During button, interior pawl hooks plate 201 and outer pawl hooks plate 101 and will not produce shifting phenomena, as it is shown in figure 1, interior pawl hooks plate 201 with outward
Pawl hooks and is provided with position-limit mechanism between plate 101, and described position-limit mechanism includes fin 6 and matches with corresponding fin 6
Dovetail groove 7, fin 6 is arranged in gear shaping portion 2, and is positioned at the lower section of the second sawtooth 2-1, and dovetail groove 7 is opened in slotting
The sidepiece of teeth groove portion 1-1 on seat 1, and it is positioned at the lower section of the first sawtooth 1-2；When lock releases 3 relative to interior pawl hook plate 201
When turning to detach lock porosity 2-2, fin 6 and dovetail groove 7 fail to contact cooperation can make interior pawl hook the gear shaping of plate 201
Portion 2 put into outer pawl hook plate 101 teeth groove portion 1-1 realize both upper and lower, move left and right；When lock release 3 relative to
Interior pawl hooks in plate 201 turns to fit into lock porosity 2-2 and the gear shaping portion 2 of interior pawl hook plate 201 puts into outer pawl hook plate 101
Teeth groove portion 1-1 when, fin 6 coordinates in dovetail groove 7, and both move up and down is locked.
In order to reduce the cover-up surface after this claw type sternum fixer is arranged on breastbone, make blood supply better, make healing faster
More preferably, as it is shown on figure 3, have multiple minimizing on the socket 1 of outer pawl hook plate 101 with breastbone contact area thus to increase blood
The air-vent 1-3 of confession.
Being provided with cooperation face 2-2-1 on lock porosity 2-2, lock releases and is provided with fillet surface 3-1 on 3, coordinate face 2-2-1 with
Fillet surface 3-1 cooperates to make the second sawtooth 2-1 and the first sawtooth 1-2 engagement for strutting interior pawl hook plate 201.
Interior pawl hooks plate and/or outer pawl hooks plate and/or lock releases and is made up of industrially pure titanium material TA3.
The operation principle of the present invention is as follows:
The claw type sternum fixer of the present invention uses lock to release 3, and hooks to design on plate 201 at interior pawl and release with lock accordingly
3 coordinate lock porosity 2-2, lock release 3 with interior pawl hook plate 201 combined, with pivot pin connection make its lock release 3
Interior pawl hook in plate 201 up and down can activity, lock release 3 upwards when for unclamping shape, for locking shape when pressing, when lock releases 3
When opening, pawl hooks the opening of plate 201 and reduces in it, and its gear shaping portion 2 can put into freely up and down or left and right is slipped into outer pawl and hooked plate 101
Teeth groove portion 1-1 in, claw type sternum fixer put in place only need to press when need to fix lock release 3 entrance lock porosity 2-2, profit
Releasing 3 following fillet surface 3-1 with lock, its overlying dimension makes interior pawl hook plate 201 in becoming big press-in lock porosity 2-2 to strut,
Its second sawtooth 2-1 makes it be rapidly reached locking after being engaged with the first sawtooth 1-2 of outer pawl hook plate 101, and interior pawl hooks plate 201
Hooking plate 101 with outer pawl to be relatively fixed, such locking mechanism is not necessarily to use instrument, more convenient and quicker, peace during surgical
Entirely, particularly need to be again turned on immediately can opening rapidly rescue patient whenever and wherever possible, win the quality time for rescuing life.
Particular embodiments described above, to present invention solves the technical problem that, technical scheme and beneficial effect entered
One step describes in detail, be it should be understood that the specific embodiment that the foregoing is only the present invention, is not limited to
The present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should wrap
It is contained within protection scope of the present invention.
Claims (5)
1. a claw type sternum fixer, including interior pawl hooks plate (201) and outer pawl hooks plate (101), outer pawl hooks plate (101)
On there is the socket (1) of spline portion (1-1), interior pawl hooks to have on plate (201) and coordinates with teeth groove portion (1-1) grafting
Gear shaping portion (2), interior pawl hook plate (201) be plugged in together by the cooperation of gear shaping portion (2) and teeth groove portion (1-1),
It is provided with the first sawtooth (1-2) in teeth groove portion (1-1), gear shaping portion (2) are provided with and coordinate with the first sawtooth (1-2)
The second sawtooth (2-1), it is characterised in that: described interior pawl hooks and is additionally provided with, on plate (201), the lock cooperating and releases
(3) and lock porosity (2-2), and lock release (3) be hinged on interior pawl and hook on plate (201)；When lock releases (3) relatively
When interior pawl hook plate (201) turns to detach lock porosity (2-2), first sawtooth (1-2) in described teeth groove portion (1-1)
It is separated with second sawtooth (2-1) of gear shaping portion (2) so that interior pawl hooks plate (201) and outer pawl hooks the dynamic cooperation of plate (101)
Realize both upper and lower, move left and right；When lock release (3) relative to interior pawl hook plate (201) turn to fit into lock porosity
(2-2) when in, first sawtooth (1-2) in described teeth groove portion (1-1) and second sawtooth (2-1) of gear shaping portion (2)
It is meshed and reach interior pawl hook plate (201) and outer pawl hook plate (101) tight fit；Described interior pawl hooks plate (201) and also has chest
Pawl (4) in bone, described outer pawl hooks plate (101) and also has the outer pawl (5) of breastbone, pawl (4) and the outer pawl of breastbone in breastbone
(5) setting is matched to catch on breastbone outer；It is provided with cooperation face (2-2-1), institute on described lock porosity (2-2)
The lock stated releases and is provided with fillet surface (3-1) on (3), coordinates face (2-2-1) to cooperate to fillet surface (3-1)
The second sawtooth (2-1) is made to engage with the first sawtooth (1-2) for strutting interior pawl hook plate (201).
2. claw type sternum fixer according to claim 1, it is characterised in that: described teeth groove portion (1-1) is for passing through
The groove of logical whole socket (1).
3. claw type sternum fixer according to claim 1, it is characterised in that: described interior pawl hook plate (201) and
Outer pawl hooks and is provided with position-limit mechanism between plate (101), described position-limit mechanism include fin (6) and with corresponding fin (6)
The dovetail groove (7) matching, fin (6) is arranged in gear shaping portion (2), and is positioned at the lower section of the second sawtooth (2-1),
Dovetail groove (7) is opened in the sidepiece in the upper teeth groove portion (1-1) of socket (1), and is positioned at the lower section of the first sawtooth (1-2)；When
Lock release (3) relative to interior pawl hook plate (201) turn to detach lock porosity (2-2) when, fin (6) and dovetail groove
(7) failing to contact cooperation can make the gear shaping portion (2) of interior pawl hook plate (201) put into the teeth groove portion (1-1) that outer pawl hooks plate (101)
Inside realize both upper and lower, move left and right；When lock release (3) hook plate (201) relative to interior pawl and turn to fit into lock pine
When the gear shaping portion (2) that the interior and interior pawl in hole (2-2) hooks plate (201) puts into teeth groove portion (1-1) that outer pawl hooks plate (101),
Fin (6) coordinates in dovetail groove (7).
4. claw type sternum fixer according to claim 1, it is characterised in that: described outer pawl hooks plate (101)
Multiple air-vent (1-3) reducing with breastbone contact area thus increasing blood supply is had on socket (1).
5. claw type sternum fixer according to claim 1, it is characterised in that: described interior pawl hook plate (201) and/
Or outer pawl hooks plate (101) and/or lock releases, and (3) are made up of industrially pure titanium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370991.2A CN104107084B (en) | 2014-07-30 | 2014-07-30 | Claw type sternum fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370991.2A CN104107084B (en) | 2014-07-30 | 2014-07-30 | Claw type sternum fixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104107084A CN104107084A (en) | 2014-10-22 |
| CN104107084B true CN104107084B (en) | 2016-11-09 |
Family
ID=51704207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410370991.2A Active CN104107084B (en) | 2014-07-30 | 2014-07-30 | Claw type sternum fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104107084B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104352271B (en) * | 2014-12-10 | 2017-02-22 | 常州华森医疗器械有限公司 | Patella fixer |
| CN104688308B (en) * | 2015-03-03 | 2017-03-01 | 常州华森医疗器械有限公司 | Readily removable breastbone closing fixer |
| CN106798591B (en) * | 2017-03-11 | 2018-04-13 | 苏州爱得科技发展股份有限公司 | A kind of sternal bar |
| CA3125609A1 (en) | 2019-01-09 | 2021-07-02 | Mavrek Medical, Llc | Sternal closure device with dual locking mechanism |
| CN110123428B (en) | 2019-04-23 | 2021-04-06 | 常州华森医疗器械有限公司 | Quick-release sternum folding fixer |
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| US6051007A (en) * | 1998-03-02 | 2000-04-18 | Corvascular, Inc. | Sternal closure device and instruments therefor |
| CN201333095Y (en) * | 2009-01-04 | 2009-10-28 | 张庆宜 | Rib bone connection titanium plate |
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| ITMI20051461A1 (en) * | 2005-07-28 | 2007-01-29 | Gianni Ponte | CAMBRETTA FOR SUTURE OF THE STERNO AND APPARATUS ACTING TO POSITION IT AND TIGHTEN IT |
| DE102007052315B4 (en) * | 2007-10-31 | 2012-01-26 | Max Hauser Süddeutsche Chirurgiemechanik GmbH | Surgical clamp |
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|---|---|---|---|---|
| US6051007A (en) * | 1998-03-02 | 2000-04-18 | Corvascular, Inc. | Sternal closure device and instruments therefor |
| CN201333095Y (en) * | 2009-01-04 | 2009-10-28 | 张庆宜 | Rib bone connection titanium plate |
| CN201642285U (en) * | 2010-02-10 | 2010-11-24 | 吴伟敏 | Rib bone connecting plate |
| CN202223284U (en) * | 2011-07-14 | 2012-05-23 | 西安康拓医疗技术有限公司 | Double-claw sternum fixer for surgical operation |
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| EP2699180B1 (en) * | 2012-06-08 | 2015-04-15 | Medxpert GmbH | Multidirectional chest wall stabilization |
| CN103211632A (en) * | 2013-05-03 | 2013-07-24 | 张晓膺 | Sternum gathering up holder |
| CN203341805U (en) * | 2013-06-27 | 2013-12-18 | 常州华森医疗器械有限公司 | Installing tool for breast bone folding fixator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104107084A (en) | 2014-10-22 |
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