CN110464392B - Fossa cranialis retractor and working method thereof - Google Patents
Fossa cranialis retractor and working method thereof Download PDFInfo
- Publication number
- CN110464392B CN110464392B CN201910794108.5A CN201910794108A CN110464392B CN 110464392 B CN110464392 B CN 110464392B CN 201910794108 A CN201910794108 A CN 201910794108A CN 110464392 B CN110464392 B CN 110464392B
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- retractor
- locking
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- 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
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The technical scheme of the invention discloses a cranium and fovea retractor and a working method thereof, wherein the cranium and fovea retractor comprises a bracket with one end open; a first retractor fixed at the opening of the bracket; a second retracting part movably installed in the bracket and capable of being close to or far from the first retracting part; the first retracting part and the second retracting part are respectively provided with a first grabbing part and a second grabbing part; a blocking piece movably arranged on the first retracting part through a first locking mechanism and used for stripping the brain tissue; and a second locking mechanism coupled through the bracket and controlling the second retractor to approach or depart from the first retractor. According to the invention, the distance of temporal lobe pulling can be accurately controlled through the first retracting part, the second retracting part and the second locking mechanism, so that the size of an operation space can be controlled; meanwhile, other tissues in the brain can be peeled off through the baffle plate and the first locking mechanism, so that shielding of other tissues in the brain on sight during operation is effectively reduced, the operation visual field is widened, and the operation efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a fossa cranialis retractor and a working method thereof.
Background
The operation of the cranium fossa is the adaptation symptoms, the method and the complications of operations such as the treatment of dizziness, the treatment of facial nerve vagal section lesions, the excision of inner ear canal tumors and the like from the approach of the cranium fossa to the rock tip and the excision of inner ear canal vestibular nerves. The operation method comprises the following steps: the patient lies on his back and is full of his back, a slightly 7-shaped incision is made from the front of the tragus to the front of the auricle and turned to the temporal part, temporal muscles and temporal fascia are separated, and an electric drill is used for cutting 3 x 4cm 2 Square temporal bone flap, separate the meninges inward and pull the meninges and temporal lobes apart with a conventional retractor.
The traditional cranium fossa retractor is mostly similar to a surgical scissors structure, a claw hook structure is replaced only at the cutting edge position of the surgical scissors, and the hand-held parts are limited and fixed through a tooth structure. The traditional retractor with the structure can only pull the temporal lobe open in a relatively narrow space, and the distance of the temporal lobe pull open can not be precisely controlled through the positioning of the tooth structure, namely the operation space can not be precisely controlled; meanwhile, when the operation space needs to be further adjusted, the traditional retractor does not have an anti-shake function, the opening and closing of the tooth structure are easy to be understood, and in addition, the operator can shake hands during operation, so that the operation is influenced.
Disclosure of Invention
The invention solves the technical problems that the structure of the traditional cranium and fovea retractor can not accurately adjust the size of the operation space, and the readjustment of the operation space is easy to shake, thereby influencing the operation.
In order to solve the technical problems, the technical scheme of the invention provides a cranium fossa retractor, which comprises the following components:
a bracket with one end open;
a first retractor fixed at the open position of the bracket;
a second retractor movably mounted in the bracket and being movable toward and away from the first retractor;
the first retracting part and the second retracting part are respectively provided with a first grabbing part and a second grabbing part which are used for hooking the temporal lobe and pulling the temporal lobe when the first retracting part and the second retracting part are relatively far away;
a flap movably mounted on the first retractor through a first locking mechanism for dissecting brain tissue; the method comprises the steps of,
and a second locking mechanism connected through the bracket and controlling the second retracting part to be close to or far away from the first retracting part.
Optionally, the first retracting part comprises a first fixing rod with two ends fixed in the bracket and at least one first grabbing part arranged on the first fixing rod;
the second retracting part comprises a second fixed rod with two ends movably arranged in the bracket and at least one second grabbing part arranged on the second fixed rod;
the positions of the first gripping part and the second gripping part are opposite or staggered;
the support is provided with a sliding groove for the second fixing rod to slide back and forth at the position where the second fixing rod is installed.
Optionally, the first locking mechanism comprises a fixed block, a locking block penetrating and rotatably installed in the fixed block, and a first handle which is connected with the locking block outside the fixed block and controls the locking block to rotate; the fixed block comprises riser, first diaphragm and second diaphragm and forms the cross-section and be C style of calligraphy structure, first diaphragm the second diaphragm with the space of formation between the riser defines the confession the constant head tank that first dead lever placed, first diaphragm with the same position department of second diaphragm has all offered the confession throughout the separation blade groove of wearing that the separation blade passed.
Optionally, a concave limiting groove with an arc-shaped outline is cut through the surface of the locking block in the radial direction, the radian of the limiting groove is consistent with that of the outer circle of the first fixing rod, the limiting groove is attached to or separated from the first fixing rod in the rotating process of the locking block, and the distance between the surface of the locking block and the baffle plate is smaller than the diameter of the first fixing rod;
when the limiting groove is attached to the first fixing rod, a gap is reserved between the first fixing rod and the baffle plate;
when the limiting groove is separated from the first fixing rod and the surface of the locking block is contacted with the first fixing rod, the first fixing rod is contacted with the blocking piece and is pressed tightly.
Optionally, the latch segment is the step shaft form, set up in the riser with being used for installing the latch segment and the size with the step shaft shape matching of latch segment step hole, the latch segment for the one end of spacing groove passes the step hole and in the riser external connection first handle.
Optionally, the second locking mechanism includes being fixed in on the second dead lever and having the fixed block of fixed port, run through the dead lever of support and be in the support outer with but the swing joint's of dead lever second handle, the dead lever runs through the one end of support simultaneously run through the fixed block and expose in the fixed port, the dead lever expose in one end in the fixed port has the stopper.
Optionally, the locking rod is in threaded connection with the support, a screw mechanism is formed between the locking rod and the support, the locking rod is in shaft hole connection with the fixed block, and the locking rod is in pivot connection with the second handle.
Optionally, the support includes a horizontal pole and locates respectively two montants at horizontal pole both ends, two the montant all with the horizontal pole sets up perpendicularly, two the montant for with fix between the one end that the horizontal pole is connected first portion of pulling away from two the montant is kept away from opposite surface of first portion of pulling away from is offered respectively and is used for installing the spout of second portion of pulling away from.
In order to solve the technical problems, the technical scheme of the invention also provides a working method of the fossa cranialis retractor, which is any one of the above, wherein the working method is as follows:
the patient lies on his back and is full of his back, a slightly 7-shaped incision is made from the front of the tragus to the front of the auricle and turned to the temporal part, temporal muscles and temporal fascia are separated, and an electric drill is used for cutting 3 x 4cm 2 The square temporal bone flap is used for separating the meninges inwards, respectively hooking the temporal lobe parts on the left side and the right side by the first grabbing part and the second grabbing part, rotating the second handle to drive the locking rod to rotate, gradually keeping the second grabbing part away from the first grabbing part and gradually pulling the temporal lobe away, and defining an operation space between the two vertical rods, the first pulling part and the second pulling part; the position of the lower end of the baffle plate relative to the brain is adjusted up and down, brain tissues are stripped outwards, the first handle is rotated by 90 degrees, the limiting groove of the locking block is separated from the first fixing rod until the surface of the locking block is contacted with the first fixing rod, and finally the first fixing rod is ejected towards the direction close to the second retracting part and is pressed on the baffle plate, so that the angle of the baffle plate is fixed.
The technical scheme of the invention has the beneficial effects that:
according to the invention, the distance of temporal lobe pulling can be accurately controlled through the first retracting part, the second retracting part and the second locking mechanism, so that the size of an operation space can be controlled; meanwhile, other tissues in the brain can be peeled off through the baffle plate and the first locking mechanism, so that shielding of other tissues in the brain on sight during operation is effectively reduced, the operation visual field is widened, and the operation efficiency is effectively improved.
Drawings
FIG. 1 is a perspective view of a fossa cranialis retractor according to an embodiment of the invention;
FIG. 2 is a perspective view of a first locking mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first locking mechanism according to an embodiment of the present invention;
FIG. 4 is a perspective view of a first locking mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the first fixing rod and the blocking piece according to the embodiment of the invention;
fig. 6 is a schematic structural view of the first fixing rod contacting with the blocking piece according to the embodiment of the present invention.
The specific embodiment is as follows:
the invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1, there is shown an embodiment of a fossa cranialis retractor comprising a frame 1 having an open end; a first retractor 2 fixed at the opening position of the bracket 1; a second retractor 3 movably installed in the bracket 1 and being movable toward and away from the first retractor 2; the first retracting part 2 and the second retracting part 3 are respectively provided with a first grabbing part 2-2 and a second grabbing part 3-2 which are used for hooking the temporal lobe and pulling the temporal lobe when the first retracting part 2 and the second retracting part 3 are relatively far away; a flap 4 movably mounted on the first retractor 2 by a first locking mechanism 5 for peeling off brain tissue; and a second locking mechanism 6 connected through the bracket 1 and controlling the second retractor 3 to approach or depart from the first retractor 2.
In this embodiment, the first retracting part 2 includes a first fixing rod 2-1 with two ends fixed in the bracket 1 and at least one first grasping part 2-2 provided on the first fixing rod 2-1;
the second retracting part 3 comprises a second fixed rod 3-1 with two ends movably arranged in the bracket 1 and at least one second grabbing part 3-2 arranged on the second fixed rod 3-1;
the positions of the first gripping part 2-2 and the second gripping part 3-2 are opposite or staggered;
the bracket 1 is provided with a chute 1-4 for the second fixed rod 3-1 to slide back and forth at the position where the second fixed rod 3-1 is arranged.
In this embodiment, the first locking mechanism 5 includes a fixed block 5-1, a locking block 5-3 penetrating and rotatably installed in the fixed block 5-1, and a first handle 5-2 connected to the locking block 5-3 outside the fixed block 5-1 and controlling rotation of the locking block 5-3; the fixing block 5-1 is composed of a vertical plate 5-1C, a first transverse plate 5-1a and a second transverse plate 5-1b, the cross section of the fixing block is of a C-shaped structure, a locating groove 5-1d for placing the first fixing rod 2-1 is defined by the space formed among the first transverse plate 5-1a, the second transverse plate 5-1C and the vertical plate 5-1b, and a baffle penetrating groove 5-1e for penetrating a baffle 4 is formed in the same position of the first transverse plate 5-1a and the second transverse plate 5-1C in a penetrating mode.
In the embodiment, a limiting groove 5-3a which is concave and has an arc-shaped outline is cut through on the surface of the locking block 5-3 in the radial direction, the radian of the limiting groove 5-3a is consistent with the outer circular radian of the first fixed rod 2-1, the limiting groove 5-3a is attached to or separated from the first fixed rod 2-1 in the rotating process of the locking block 5-3, and the distance between the surface of the locking block 5-3 and the baffle 4 is smaller than the diameter of the first fixed rod 2-1;
when the limiting groove 5-3a is attached to the first fixing rod 2-1, a gap 7 is formed between the first fixing rod 2-1 and the baffle 4;
when the limiting groove 5-3a is separated from the first fixing rod 2-1 and the surface of the locking block 5-3 is contacted with the first fixing rod 2-1, the first fixing rod 2-1 is contacted with the baffle 4 and is pressed.
In this embodiment, the locking block 5-3 is in a shape of a stepped shaft, the vertical plate 5-1b is penetratingly provided with a stepped hole 5-4 for installing the locking block 5-3, the size of the stepped hole is matched with the shape of the stepped shaft of the locking block 5-3, and one end of the locking block 5-3 opposite to the limiting groove 5-3a passes through the stepped hole 5-4 and is externally connected with the first handle 5-2 on the vertical plate 5-1 b.
In this embodiment, the second locking mechanism 6 includes a fixed block 6-1 fixed on the second fixed rod 3-2 and having a fixed opening 6-5, a locking rod 6-2 penetrating through the bracket 1, and a second handle 6-3 movably connected to the locking rod 6-2 outside the bracket 1, wherein one end of the locking rod 6-2 penetrating through the bracket 1 penetrates through the fixed block 6-1 and is exposed in the fixed opening 6-5, and one end of the locking rod 6-2 exposed in the fixed opening 6-5 has a limiting block 6-4.
In the embodiment, the locking rod 6-2 is in threaded connection with the bracket 1, a screw mechanism is formed between the locking rod 6-2 and the bracket 1, the locking rod 6-2 is in shaft hole connection with the fixed block 6-1, and the locking rod 6-2 is in pivot connection with the second handle 6-3.
In this embodiment, the bracket 1 includes a cross bar 1-1 and two vertical bars 1-2, 1-3 disposed at two ends of the cross bar 1-1, where the two vertical bars 1-2, 1-3 are disposed perpendicular to the cross bar 1-1, a first retracting portion 2 is fixed between the two vertical bars 1-2, 1-3 relative to one end connected to the cross bar 1-1, and opposite surfaces of the two vertical bars 1-2, 1-3 away from the first retracting portion 2 are respectively provided with a chute 1-4 for mounting a second retracting portion 3.
The embodiment also discloses a working method of the craniocerebral fossa retractor, wherein the working method comprises the following steps:
the patient lies on his back and is full of his back, a slightly 7-shaped incision is made from the front of the tragus to the front of the auricle and turned to the temporal part, temporal muscles and temporal fascia are separated, and an electric drill is used for cutting 3 x 4cm 2 The square temporal bone flap separates the meninges inwards, the first grabbing part 2-2 and the second grabbing part 3-2 are respectively hooked on temporal lobe parts on the left side and the right side, the second handle 6-3 is rotated to drive the locking rod 6-2 to rotate, the second grabbing part 3-2 is gradually far away from the first grabbing part 2-2 and gradually pulls the temporal lobe away, and an operation space is defined between the two vertical rods 1-2/1-3, the first retracting part 2 and the second retracting part 3; the position of the lower end of the baffle plate 4 relative to the brain is adjusted up and down, brain tissues are stripped outwards, the first handle 5-2 is rotated for 90 degrees, the limiting groove 5-3a of the locking block 5-3 is separated from the first fixing rod 2-1 until the surface of the locking block 5-3 is contacted with the first fixing rod 2-1, and finally the first fixing rod 2-1 is ejected towards the direction close to the second retracting part 3 and is pressed on the baffle plate 4, so that the angle of the baffle plate 4 is fixed.
In summary, the first retracting part, the second retracting part and the second locking mechanism can precisely control the distance of temporal lobe pulling to control the size of the operation space; meanwhile, other tissues in the brain can be peeled off through the baffle plate and the first locking mechanism, so that shielding of other tissues in the brain on sight during operation is effectively reduced, the operation visual field is widened, and the operation efficiency is effectively improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (5)
1. A fossa cranialis retractor comprising:
a bracket with one end open;
a first retractor fixed at the open position of the bracket;
a second retractor movably mounted in the bracket and being movable toward and away from the first retractor;
the first retracting part and the second retracting part are respectively provided with a first grabbing part and a second grabbing part which are used for hooking the temporal lobe and pulling the temporal lobe when the first retracting part and the second retracting part are relatively far away;
a flap movably mounted on the first retractor through a first locking mechanism for dissecting brain tissue; the method comprises the steps of,
a second locking mechanism connected through the bracket and controlling the second retractor to approach or depart from the first retractor;
the first retracting part comprises a first fixing rod with two ends fixed in the bracket and at least one first grabbing part arranged on the first fixing rod;
the second retracting part comprises a second fixed rod with two ends movably arranged in the bracket and at least one second grabbing part arranged on the second fixed rod;
the positions of the first gripping part and the second gripping part are opposite or staggered;
the bracket is provided with a chute for the second fixed rod to slide back and forth at the position where the second fixed rod is arranged;
the first locking mechanism comprises a fixed block, a locking block penetrating through and rotatably installed in the fixed block, and a first handle which is connected with the locking block outside the fixed block and controls the locking block to rotate; the fixing block consists of a vertical plate, a first transverse plate and a second transverse plate, the cross section of the fixing block is of a C-shaped structure, a positioning groove for placing the first fixing rod is defined by the first transverse plate, the second transverse plate and a space formed among the vertical plates, and baffle penetrating grooves for the baffles to penetrate are formed in the same positions of the first transverse plate and the second transverse plate in a penetrating mode;
the surface of the locking block is cut with a concave limiting groove with an arc-shaped outline in a penetrating manner in the radial direction, the radian of the limiting groove is consistent with the outer circular radian of the first fixing rod, the limiting groove is attached to or separated from the first fixing rod in the rotating process of the locking block, and the distance between the surface of the locking block and the baffle is smaller than the diameter of the first fixing rod;
when the limiting groove is attached to the first fixing rod, a gap is reserved between the first fixing rod and the baffle plate;
when the limiting groove is separated from the first fixing rod and the surface of the locking block is contacted with the first fixing rod, the first fixing rod is contacted with the blocking piece and is pressed tightly.
2. The craniocerebral fossa retractor according to claim 1, wherein said locking block is in the shape of a stepped shaft, said riser is perforated with a stepped hole for mounting said locking block and having a size matching the shape of the stepped shaft of said locking block, and one end of said locking block opposite to said limiting groove is threaded through said stepped hole and connected to said first handle outside said riser.
3. The fossa cranialis retractor of claim 1 wherein the second locking mechanism comprises a fixed block secured to the second fixed bar and having a fixed port, a locking bar extending through the bracket and a second handle movably coupled to the locking bar outside the bracket, the locking bar extending through one end of the bracket while extending through the fixed block and being exposed in the fixed port, the locking bar having a stopper at an end exposed in the fixed port.
4. The fossa cranialis retractor according to claim 3 wherein the locking bar is threadably connected to the frame, wherein a screw mechanism is formed between the locking bar and the frame, wherein the locking bar is pivotally connected to the shaft hole of the fixed block, and wherein the locking bar is pivotally connected to the second handle.
5. The craniocerebral fossa retractor according to claim 1, wherein said frame comprises a cross bar and two vertical bars disposed at two ends of said cross bar, said two vertical bars being disposed perpendicular to said cross bar, said first retractor portion being secured between said two vertical bars relative to an end connected to said cross bar, opposite surfaces of said two vertical bars distal from said first retractor portion being provided with said runners for mounting said second retractor portion, respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910794108.5A CN110464392B (en) | 2019-08-29 | 2019-08-29 | Fossa cranialis retractor and working method thereof |
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| CN201910794108.5A CN110464392B (en) | 2019-08-29 | 2019-08-29 | Fossa cranialis retractor and working method thereof |
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| CN110464392B true CN110464392B (en) | 2023-07-11 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471286Y (en) * | 2001-01-04 | 2002-01-16 | 马胜军 | Diaphragm retractor |
| US8974381B1 (en) * | 2011-04-26 | 2015-03-10 | Nuvasive, Inc. | Cervical retractor |
| CN107411785A (en) * | 2017-05-11 | 2017-12-01 | 丰丕华 | A kind of department of general surgery's trauma operation medical treatment device |
| CN207168529U (en) * | 2017-03-08 | 2018-04-03 | 宋沐春 | The multi-functional retractor of neurosurgery |
| CN208926470U (en) * | 2018-07-26 | 2019-06-04 | 上海市第一人民医院 | A kind of adjustable retractor of thoracic surgery |
| CN210990466U (en) * | 2019-08-29 | 2020-07-14 | 苏州碧利医疗科技有限公司 | Middle cranial fossa retractor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5984867A (en) * | 1997-05-02 | 1999-11-16 | Heartport, Inc. | Surgical retractor and method of retracting |
| AU2003231267A1 (en) * | 2002-05-03 | 2004-02-16 | Kapp Surgical Instrument, Inc. | Surgical retractors and method of operation |
| WO2014018624A1 (en) * | 2012-07-27 | 2014-01-30 | Spinal Usa, Inc. | Minimally invasive devices, systems and methods for treating the spine |
-
2019
- 2019-08-29 CN CN201910794108.5A patent/CN110464392B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471286Y (en) * | 2001-01-04 | 2002-01-16 | 马胜军 | Diaphragm retractor |
| US8974381B1 (en) * | 2011-04-26 | 2015-03-10 | Nuvasive, Inc. | Cervical retractor |
| CN207168529U (en) * | 2017-03-08 | 2018-04-03 | 宋沐春 | The multi-functional retractor of neurosurgery |
| CN107411785A (en) * | 2017-05-11 | 2017-12-01 | 丰丕华 | A kind of department of general surgery's trauma operation medical treatment device |
| CN208926470U (en) * | 2018-07-26 | 2019-06-04 | 上海市第一人民医院 | A kind of adjustable retractor of thoracic surgery |
| CN210990466U (en) * | 2019-08-29 | 2020-07-14 | 苏州碧利医疗科技有限公司 | Middle cranial fossa retractor |
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