CN112244907A - Clinical wound expanding device that uses of department of general surgery - Google Patents
Clinical wound expanding device that uses of department of general surgery Download PDFInfo
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- CN112244907A CN112244907A CN202011141456.1A CN202011141456A CN112244907A CN 112244907 A CN112244907 A CN 112244907A CN 202011141456 A CN202011141456 A CN 202011141456A CN 112244907 A CN112244907 A CN 112244907A
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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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Abstract
The invention discloses a clinical wound expanding device for general surgery department, which comprises a bed plate, wherein the front end and the rear end of the left side and the right side of the bed plate are respectively and fixedly connected with a first mounting plate outwards, a first threaded rod is horizontally and longitudinally connected between the front mounting plate and the rear mounting plate on the left side, a first sliding block is in threaded connection with the first threaded rod, a fixed rod is fixedly connected between the front mounting plate and the rear mounting plate on the right side, and a first sliding block is arranged on the fixed rod in a sliding manner. According to the wound expanding device, the wound expanding device is movably arranged above the bed plate, the fixed clamping pieces and the movable clamping pieces are movably and symmetrically arranged on the left side and the right side of the wound expanding device to clamp the edges of the two sides of the wound, and the fifth handle is screwed to drive the third threaded rod to rotate, so that the two third sliding blocks are driven to simultaneously slide outwards to expand the wound.
Description
Technical Field
The invention relates to the technical field of general surgery, in particular to a wound expansion device for clinical use in general surgery.
Background
The general surgery department is a clinical discipline which takes operations as a main method to treat other diseases such as liver, biliary tract, pancreas, gastrointestinal tract, anorectum, vascular diseases, thyroid and breast tumors, trauma and the like, and is the biggest special discipline of a surgical system. General surgery is ordinary surgery, and general comprehensive hospital surgery is orthopedics, neurosurgery, cardiothoracic surgery, urology surgery and the like besides general surgery. Some hospitals divide even more general surgery into neck-breast surgery, gastrointestinal surgery, hepatobiliary-pancreatic-spleen surgery, and the like, and anorectal surgery, burn plastic surgery, vascular surgery, pediatric surgery, transplantation surgery, nutrition surgery, and the like are related to general surgery.
In the clinical operation of general surgery department, usually need expand the wound, help medical personnel to carry out various surgical operations to the wound inside, traditional mode is through operation pincers with wound edge clip, then outwards take off, this kind of operating stability is lower to keep for a long time and lead to arm ache easily, medical personnel usually can only expand one side of wound with the left hand during the operation in addition, and the other hand is used for other operations, and is very inconvenient.
Disclosure of Invention
The invention aims to provide a wound expanding device for general surgery clinical use, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a clinical wound expansion device for general surgery department comprises a bed plate, wherein the front end and the rear end of the left side and the right side of the bed plate are respectively and fixedly connected with a first mounting plate outwards, a first threaded rod is horizontally and longitudinally connected between the front first mounting plate and the rear first mounting plate on the left side, a first slide block is in threaded connection with the first threaded rod, a fixed rod is fixedly connected between the front first mounting plate and the rear first mounting plate on the right side, a first slide block is arranged on the fixed rod in a sliding manner, two first slide blocks are respectively and fixedly connected with an upright rod upwards, a cross beam is horizontally and fixedly connected between the two upright rods, a second slide block is arranged on the cross beam in a sliding manner, the bottom end of the second slide block is connected with a wound expansion device through a vertically arranged telescopic column, the wound expansion device comprises a horizontally arranged fixed seat, the left end, the left and right sides symmetry threaded connection has the third slider on the third threaded rod, the downward fixedly connected with montant in bottom of third slider, the outside fixedly connected with horizontal pole in bottom of montant, the downward fixedly connected with fixation clamp in inner of horizontal pole, the downward fixedly connected with fixed plate in outer end, the inward movable clamp that is connected with through the spring in the inner of fixed plate, set up threaded hole on the fixed plate, threaded hole female connection has the fourth threaded rod, the inner of fourth threaded rod passes the spring and is close to movable clamp, and fixed plate and fixedly connected with fourth handle are stretched out to the outer end.
As a further scheme of the invention: the bottom of bed board has the bracing piece to even vertical fixed welding down, the slope is connected with auxiliary stay pole between bracing piece and the bed board bottom.
As a still further scheme of the invention: the front end and the rear end of the first threaded rod are respectively connected with the corresponding first mounting plate bearings, and the rear end of the first threaded rod is connected with a first handle through a connecting rod in a fixed mode backwards.
As a still further scheme of the invention: the horizontal vertical first slide rail of having laid of left side lateral wall of bed board, the inboard first slider that corresponds position department fixed mounting with first slide rail in left side has the first pulley of matching, and the first slider in right side corresponds position department with the dead lever and has seted up the slide opening, and the second slide rail has vertically been laid on the top of dead lever, there is the second pulley of matching rather than corresponding position department fixed mounting on the roof of slide opening.
As a still further scheme of the invention: the utility model discloses a fixed connection's slide bar, including crossbeam slide hole, threaded hole internal thread, the bottom of second threaded rod is close to and fixedly connected with clamp plate to the crossbeam, the bottom of clamp plate is connected with first rubber layer, second slider and fixedly connected with second handle are stretched out on the top of second threaded rod.
As a still further scheme of the invention: the telescopic column comprises an upper fixing column fixedly connected with the bottom of the second slider and a lower movable column fixedly connected with the top end of the fixing base, the upper fixing column is of a hollow structure with an opening in the bottom end, the top end of the lower movable column extends into the upper fixing column, the outer wall of the lower movable column below the inner side of the upper fixing column is in threaded connection with a first gear, a second gear is vertically meshed and connected with the upper side of the right side of the first gear, the second gear is fixedly connected to the left end of the rotating shaft, and the right end of the rotating shaft extends out of the upper fixing column and is fixedly connected with a third handle.
As a still further scheme of the invention: the opening part of the upper fixing column is inwards connected with a bulge, a fourth sliding rail is annularly paved above the bulge, matched fourth pulleys are fixedly installed at the positions, corresponding to the fourth sliding rail, of the left side and the right side of the bottom of the first gear, and a telescopic rod is vertically connected between the top end of the lower movable column and the inner top wall of the upper fixing column.
As a still further scheme of the invention: the outer screw thread has been laid to the symmetry reversal on the outer wall of the third threaded rod left and right sides, two the internal thread that matches has been laid respectively to the inner wall of third slider, both ends are connected with the second mounting panel bearing that corresponds respectively about the third threaded rod, and right-hand member third threaded rod stretches out second mounting panel and fixedly connected with fifth handle.
As a still further scheme of the invention: a fifth sliding rail is horizontally laid at the bottom of the fixing seat between the two second mounting plates, a fifth pulley matched with the third sliding block is fixedly mounted at the position corresponding to the fifth sliding rail at the top end of the third sliding block, and a second rubber layer is connected to one side of the fixed clamping piece corresponding to the movable clamping piece.
Compared with the prior art, the invention has the beneficial effects that: according to the wound expanding device, the wound expanding device is movably arranged above the bed plate, the fixed clamping pieces and the movable clamping pieces are movably and symmetrically arranged on the left side and the right side of the wound expanding device to clamp the edges of the two sides of the wound, and the fifth handle is screwed to drive the third threaded rod to rotate, so that the two third sliding blocks are driven to simultaneously slide outwards to expand the wound.
Drawings
Fig. 1 is a structural schematic diagram of a clinical wound dilation device for general surgery department.
Fig. 2 is a side view of a first slide block and a first threaded rod in a general surgical clinical wound expanding device.
Fig. 3 is an enlarged schematic view of the structure of the region a in fig. 1.
Fig. 4 is an enlarged schematic view of the structure of the region B in fig. 1.
Fig. 5 is an enlarged schematic view of the structure of the region C in fig. 1.
Fig. 6 is an enlarged view of the structure of region D in fig. 1.
Fig. 7 is a structural schematic diagram of a wound expanding device in a general surgical clinical wound expanding device.
In the figure: 1 bed board, 2 supporting rods, 3 auxiliary supporting rods, 4 first mounting plates, 5 first threaded rods, 6 first sliding blocks, 7 connecting rods, 8 first handles, 9 first sliding rails, 10 first pulleys, 11 vertical rods, 12 cross beams, 13 sliding holes, 14 second sliding rails, 15 second pulleys, 16 second sliding blocks, 17 third sliding rails, 18 third pulleys, 19 cross beam sliding holes, 20 second threaded rods, 21 pressing plates, 22 first rubber layers, 23 second handles, 24 telescopic columns, 25 upper fixed columns, 26 lower movable columns, 27 first gears, 28 second gears, 29 rotating shafts, 30 third handles, 31 protrusions, 32 fourth sliding rails, 33 fourth pulleys, 34 fixed seats, 35 second mounting plates, 36 third threaded rods, 37 third sliding blocks, 38 fifth sliding rails, 39 fifth pulleys, 40 vertical rods, 41 cross rods, 42 fixed clamps, 43 fixed plates, 44 movable clamps, 45 springs, 46 fourth threaded rods, 47 fourth grip, 48 second rubber layer, 49 fifth grip.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-7, a clinical wound dilator for general surgery department comprises a bed plate 1, wherein the front and rear ends of the left and right sides of the bed plate 1 are fixedly connected with first mounting plates 4 outwards, a first threaded rod 5 is horizontally and longitudinally connected between the front and rear first mounting plates 4 on the left side, a first slider 6 is in threaded connection with the first threaded rod 5, the wound dilator is driven to move back and forth by the sliding of the first slider 6, a fixed rod is fixedly connected between the front and rear first mounting plates 4 on the right side, a first slider 6 is arranged on the fixed rod in a sliding manner, upright rods 11 are fixedly connected with the two first sliders 6 upwards, a cross beam 12 is horizontally and fixedly connected between the two upright rods 11, a second slider 16 is arranged on the cross beam 12 in a sliding manner, the wound dilator is driven to move left and right by the sliding of the second slider 16, the bottom end of the second slider 16 is, the wound expanding device is driven to move up and down by the extension of the telescopic column 24, so that the wound expanding device is moved to the wound of a patient, the wound expanding device comprises a horizontally arranged fixed seat 34, the left end and the right end of the fixed seat 34 are both downwards fixedly connected with a second mounting plate 35, a third threaded rod 36 is horizontally arranged between the two second mounting plates 35, third slide blocks 27 are symmetrically and threadedly connected to the left side and the right side of the third threaded rod 36, fixed clamping pieces 42 and movable clamping pieces 44 on the left side and the right side are driven to simultaneously move outwards by the synchronous outward sliding of the third slide blocks 27, so that the two sides of the wound are expanded outwards, a vertical rod 40 is fixedly connected to the bottom end of the third slide block 27 downwards, a cross rod 41 is fixedly connected to the bottom end of the vertical rod 40 outwards, a fixed clamping piece 42 is fixedly connected to the inner end of the cross rod 41 downwards, a fixed plate, the fixing plate 43 is provided with a threaded hole, a fourth threaded rod 46 is connected to the threaded hole in an internal thread mode, the inner end of the fourth threaded rod 46 penetrates through the spring 45 to be close to the movable clamping piece 44, the outer end of the fourth threaded rod extends out of the fixing plate 43 and is fixedly connected with a fourth handle 47, the fourth threaded rod 46 is driven to move inwards by screwing the fourth handle 47, the movable clamping piece 44 is pushed inwards, and therefore the fourth threaded rod is matched with the fixed clamping piece 42 to clamp the edge of a wound.
The bottom of bed board 1 evenly vertical fixed welding has bracing piece 2 downwards, and the slope is connected with auxiliary stay 3 between bracing piece 2 and the bed board 1 bottom.
The front end and the rear end of the first threaded rod 5 are respectively in bearing connection with the corresponding first mounting plates 4, the rear end of the first threaded rod 5 is backward fixedly connected with a first handle 8 through a connecting rod 7, the first threaded rod 5 is driven to rotate by screwing the first handle 8, and therefore the first sliding block 6 is driven to slide back and forth along the first threaded rod 5, and the wound expanding device is driven to move back and forth.
A first slide rail 9 is horizontally and longitudinally laid on the side wall of the left side of the bed board 1, a first pulley 10 matched with the inner side of a first slide block 6 on the left side is fixedly arranged at a position corresponding to the first slide rail 9, a slide hole 13 is formed at a position corresponding to the fixed rod on the first slide block 6 on the right side, a second slide rail 14 is longitudinally laid on the top end of the fixed rod, and a second pulley 15 matched with the top wall of the slide hole 13 is fixedly arranged at a position corresponding to the slide hole.
A cross beam sliding hole 19 is arranged in the second sliding block 16 at a position corresponding to the cross beam 12, a third sliding rail 17 is horizontally and transversely laid at the bottom of the cross beam 12, a matched third pulley 18 is fixedly arranged at the center of the bottom wall of the cross beam sliding hole 19 and at a position corresponding to the bottom wall, the second sliding block 16 slides left and right along the cross beam 12, thereby driving the wound expanding device to move left and right, a threaded hole is arranged on the second slide block 16 above the cross beam sliding hole 19, a second threaded rod 20 is connected with the threaded hole in a threaded way, the bottom of the second threaded rod 20 is close to the cross beam 12 and is fixedly connected with a press plate 21, the bottom of the press plate 21 is connected with a first rubber layer 22, the top end of the second threaded rod 20 extends out of the second slide block 16 and is fixedly connected with a second handle 23, by screwing the second handle 23, the second threaded rod 20 rotates and moves the pressing plate 21 inward until it abuts against the top end of the beam 12, thereby fixing the position of the second slider 16.
The telescopic column 24 comprises an upper fixing column 25 fixedly connected with the bottom of the second slider 16 and a lower movable column 26 fixedly connected with the top end of a fixing seat 34, the upper fixing column 25 is of a hollow structure with an opening at the bottom end, the top end of the lower movable column 26 extends into the upper fixing column 25, the outer wall of the lower movable column 26 below the upper fixing column 25 is in threaded connection with a first gear 27, the upper right side of the first gear 27 is vertically meshed with a second gear 28, the second gear 28 is fixedly connected to the left end of a rotating shaft 29, the right end of the rotating shaft 29 extends out of the upper fixing column 25 and is fixedly connected with a third handle 30, the rotating shaft 29 drives the second gear 28 to rotate by screwing the third handle 30, so that the first gear 27 is driven to rotate, the lower movable column 26 is driven to move up and down, and the wound.
The opening part of the upper fixing column 25 is inwards connected with a protrusion 31, a fourth sliding rail 32 is annularly paved above the protrusion 31, the left side and the right side of the bottom of the first gear 27 are fixedly provided with a matched fourth pulley 33 at the position corresponding to the fourth sliding rail 32, the first gear 27 is limited, a telescopic rod is vertically connected between the top end of the lower movable column 26 and the inner top wall of the upper fixing column 25, and the lower movable column 26 is prevented from rotating along with the rotation of the first gear 27.
The outer screw thread has been laid to the symmetry on the outer wall of the left and right sides of third threaded rod 36 in the reverse direction, and the internal thread of matching has been laid respectively to the inner wall of two third sliders 37, and both ends are connected with the second mounting panel 35 bearing that corresponds respectively about third threaded rod 36, and right-hand member third threaded rod 36 stretches out second mounting panel 35 and fixedly connected with fifth handle 49, and through twisting fifth handle 49 soon, it is rotatory to drive third threaded rod 36 to drive two third sliders 37 outwards slide simultaneously, expand the wound.
A fifth sliding rail 38 is horizontally and transversely laid at the bottom of the fixing seat 34 between the two second mounting plates 35, a matched fifth pulley 39 is fixedly mounted at the position, corresponding to the fifth sliding rail 38, of the top end of the third sliding block 37, the third sliding block 37 is limited, the third sliding block is prevented from rotating along with the rotation of the third threaded rod 36, and a second rubber layer 48 is connected to one side, corresponding to the fixed clamping piece 42 and the movable clamping piece 44.
The working principle of the invention is as follows: when the wound dilator is used, the first handle 8 is screwed to drive the first threaded rod 5 to rotate, so that the first sliding block 6 is driven to slide back and forth along the first threaded rod 5, so that the wound dilator is driven to move back and forth, the second sliding block 16 slides left and right along the cross beam 12, so that the wound dilator is driven to move left and right, the second handle 23 is screwed, the threaded rod 20 drives the pressing plate 21 to rotate and move inwards until the pressing plate abuts against the top end of the cross beam 12, so that the position of the second sliding block 16 is fixed, the third handle 30 is screwed, the rotating shaft 29 drives the second gear 28 to rotate, so that the first gear 27 is driven to rotate, the lower movable column 26 is driven to move up and down, the wound dilator is driven to move up and down, so that the wound dilator is located at a wound, the fourth handle 47 is screwed to drive the fourth threaded rod 46 to move inwards to push the movable, thereby press from both sides the wound edge of both sides tightly with the cooperation of fixed folder 42, then through twisting fifth handle 49 soon, drive the rotation of third threaded rod 36 to drive two third sliders 37 and outwards slide simultaneously, expand the wound, the device stability is higher, avoids medical personnel to keep the clamping state for a long time and leads to the arm ache, and is favorable to medical personnel's both hands to carry out other operations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (9)
1. A clinical wound expansion device for general surgery department comprises a bed plate (1) and is characterized in that the front end and the rear end of the left side and the rear side of the bed plate (1) are fixedly connected with first mounting plates (4) outwards, a first threaded rod (5) is horizontally and longitudinally connected between the front first mounting plate (4) and the rear first mounting plate (4) on the left side, a first slider (6) is connected on the first threaded rod (5) in a threaded manner, a fixed rod is fixedly connected between the front first mounting plate (4) and the rear first mounting plate on the right side, a first slider (6) is arranged on the fixed rod in a sliding manner, vertical rods (11) are fixedly connected on the two first sliders (6) upwards, a cross beam (12) is horizontally and fixedly connected between the two vertical rods (11), a second slider (16) is arranged on the cross beam (12) in a sliding manner, the bottom end of the second, the wound expanding device comprises a horizontally arranged fixing seat (34), wherein the left end and the right end of the fixing seat (34) are fixedly connected with second mounting plates (35) downwards, a third threaded rod (36) is horizontally arranged between the two second mounting plates (35), the left side and the right side of the third threaded rod (36) are symmetrically in threaded connection with a third slider (27), the bottom end of the third slider (27) is fixedly connected with a vertical rod (40) downwards, the bottom end of the vertical rod (40) is fixedly connected with a transverse rod (41) outwards, the inner end of the transverse rod (41) is fixedly connected with a fixing clamp (42) downwards, the outer end of the transverse rod is fixedly connected with a fixing plate (43) downwards, the inner end of the fixing plate (43) is internally connected with a movable clamp (44) through a spring (45), a threaded hole is formed in the fixing plate (43), the inner end of the fourth threaded rod (46) penetrates through a spring (45) and approaches to the movable clamping piece (44), and the outer end of the fourth threaded rod extends out of the fixing plate (43) and is fixedly connected with a fourth handle (47).
2. The clinical wound expansion device for general surgery department according to claim 1, characterized in that the bottom of the bed board (1) is vertically welded with the support rod (2) uniformly and vertically, and the auxiliary support rod (3) is obliquely connected between the support rod (2) and the bottom of the bed board (1).
3. The clinical wound dilator for general surgery department according to claim 1, wherein the front end and the back end of the first threaded rod (5) are respectively connected with the corresponding first mounting plate (4) in a bearing mode, and the back end of the first threaded rod (5) is fixedly connected with a first handle (8) backwards through a connecting rod (7).
4. The clinical wound expanding device for general surgery department according to claim 1, characterized in that a first slide rail (9) is horizontally and longitudinally laid on the left side wall of the bed plate (1), a first pulley (10) matched with the first slide rail (9) is fixedly installed on the inner side of the first slide block (6) on the left side at a position corresponding to the first slide rail (9), a slide hole (13) is opened on the first slide block (6) on the right side at a position corresponding to the fixing rod, a second slide rail (14) is longitudinally laid on the top end of the fixing rod, and a second pulley (15) matched with the slide hole (13) is fixedly installed on the top wall of the slide hole at a position corresponding to the slide hole.
5. A clinical wound dilator for general surgery according to claim 1, a cross beam sliding hole (19) is arranged in the second sliding block (16) at the position corresponding to the cross beam (12), a third slide rail (17) is horizontally and transversely paved at the bottom of the cross beam (12), a third pulley (18) matched with the center of the bottom wall of the cross beam slide hole (19) and the corresponding position of the bottom wall are fixedly installed at the center of the bottom wall, a threaded hole is arranged on the second sliding block (16) above the cross beam sliding hole (19), a second threaded rod (20) is connected with the threaded hole in a threaded manner, the bottom of the second threaded rod (20) is close to the cross beam (12) and is fixedly connected with a pressure plate (21), the bottom of the pressing plate (21) is connected with a first rubber layer (22), and the top end of the second threaded rod (20) extends out of the second sliding block (16) and is fixedly connected with a second handle (23).
6. The wound dilating device for clinical general surgery department according to claim 1, wherein the telescopic column (24) comprises an upper fixed column (25) fixedly connected with the bottom of the second sliding block (16) and a lower movable column (26) fixedly connected with the top end of the fixed seat (34), the upper fixed column (25) is a hollow structure with an open bottom end, the top end of the lower movable column (26) extends into the upper fixed column (25), a first gear (27) is connected to the outer wall of the lower movable column (26) inside and below the upper fixed column (25) in a threaded manner, a second gear (28) is vertically engaged and connected to the upper right side of the first gear (27), the second gear (28) is fixedly connected to the left end of the rotating shaft (29), and a third handle (30) is fixedly connected to the right end of the rotating shaft (29) and extends out of the upper fixed column (25).
7. The clinical wound expanding device for the general surgery department according to claim 6, wherein a protrusion (31) is connected inwards at the opening of the upper fixing column (25), a fourth sliding rail (32) is annularly laid above the protrusion (31), matched fourth pulleys (33) are fixedly installed at positions, corresponding to the fourth sliding rail (32), of the left side and the right side of the bottom of the first gear (27), and a telescopic rod is vertically connected between the top end of the lower movable column (26) and the inner top wall of the upper fixing column (25).
8. The clinical wound expanding device for general surgery department according to claim 1, characterized in that the outer walls of the left and right sides of the third threaded rod (36) are symmetrically and reversely paved with external threads, the inner walls of the two third sliding blocks (37) are respectively paved with matched internal threads, the left and right ends of the third threaded rod (36) are respectively in bearing connection with the corresponding second mounting plate (35), and the right third threaded rod (36) extends out of the second mounting plate (35) and is fixedly connected with a fifth handle (49).
9. The clinical wound expanding device for general surgery department according to claim 1, characterized in that a fifth slide rail (38) is horizontally and transversely laid at the bottom of the fixed seat (34) between the two second mounting plates (35), a matched fifth pulley (39) is fixedly mounted at the top end of the third slide block (37) corresponding to the fifth slide rail (38), and a second rubber layer (48) is connected to one side of the fixed clamping member (42) corresponding to one side of the movable clamping member (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141456.1A CN112244907A (en) | 2020-10-22 | 2020-10-22 | Clinical wound expanding device that uses of department of general surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141456.1A CN112244907A (en) | 2020-10-22 | 2020-10-22 | Clinical wound expanding device that uses of department of general surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112244907A true CN112244907A (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011141456.1A Withdrawn CN112244907A (en) | 2020-10-22 | 2020-10-22 | Clinical wound expanding device that uses of department of general surgery |
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| Country | Link |
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| CN (1) | CN112244907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855155A (en) * | 2021-09-13 | 2021-12-31 | 田利蓉 | Electric drill positioner for orthopedics department |
-
2020
- 2020-10-22 CN CN202011141456.1A patent/CN112244907A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855155A (en) * | 2021-09-13 | 2021-12-31 | 田利蓉 | Electric drill positioner for orthopedics department |
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Application publication date: 20210122 |