CN108527483A - Department of cardiac surgery's biological sticking patch cutter - Google Patents
Department of cardiac surgery's biological sticking patch cutter Download PDFInfo
- Publication number
- CN108527483A CN108527483A CN201810431533.3A CN201810431533A CN108527483A CN 108527483 A CN108527483 A CN 108527483A CN 201810431533 A CN201810431533 A CN 201810431533A CN 108527483 A CN108527483 A CN 108527483A
- Authority
- CN
- China
- Prior art keywords
- cutter
- cutting
- sticking patch
- knife cylinder
- adjusting rod
- 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.)
- Pending
Links
- 238000007675 cardiac surgery Methods 0.000 title claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 85
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims 1
- 238000009966 trimming Methods 0.000 description 8
- 201000003130 ventricular septal defect Diseases 0.000 description 7
- 208000001910 Ventricular Heart Septal Defects Diseases 0.000 description 6
- 210000005240 left ventricle Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 208000005189 Embolism Diseases 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 208000010378 Pulmonary Embolism Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
- B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
- B26D1/285—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting for thin material, e.g. for sheets, strips or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/02—Means for moving the cutting member into its operative position for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
Abstract
Department of cardiac surgery's biological sticking patch cutter, including pedestal and cutting knife cylinder, pedestal are circular configuration, there are two lower handles for the outside fixation of pedestal, two lower handles are arranged about the circular symmetry of pedestal, and the upper surface of each lower handle is fixed with fin, and the upper surface of pedestal is equipped with cutting chamber；In conclusion structure of the invention reasonable design, easy to use, the cutting of different radii can be quickly carried out to biological sticking patch, the biological sticking patch the smooth of the edge after cutting is highly practical.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of department of cardiac surgery's biological sticking patch cutter.
Background technology
It is one of common modus operandi of department of cardiac surgery using biological sticking patch technology correction of interventricular septal defect, the purpose is to subtract
Myocardial blood shunts few left ventricle to the right, reduces right ventricular pressure, final to block interventricular septum completely.The prior art is mainly to pass through
It is slightly larger than ventricular septal defect, and its shape by what a sticking patch much larger than ventricular septal defect size was trimmed using scissors in art
It can be completely covered at ventricular septal defect, a circular aperture is cut into the sticking patch center trimmed, uses remaining patching material
Trimming a circular patches makes it be completely covered circular aperture, then by circular patches and circular aperture in 4 points of upper and lower, left and right into
Row suture, sutures entire interventricular septum sticking patch at ventricular septal defect, and makes circular patches towards left-ventricle；It is existing above
There are technology, the prior art to have the following defects：（1）, trimming back edge it is crude：The prior art is hit exactly by the sticking patch that will have been trimmed
The heart cuts a circular aperture, makes it that circular aperture be completely covered using remaining patching material trimming circular patches, but after trimming
Circular aperture and circular patches edge it is crude, when blood flows to left ventricle by circular aperture and open-top circular patches,
Easily form lateral thrombus, blocking channel；（2）, safety it is poor：The prior art is by trimming sticking patch to make the biology being sized for
Sticking patch, entire trimming suture make biological sticking patch process and need 20-30min, and cardiac arrest overlong time, anesthesia duration are long etc.
Factor can increase operation risk, and entire trimming process needs accurate operation, and prolonged trimming may break gloves, increase
Infection in operation and the risk of medical worker's damage；In addition the crude formation lateral thrombus of circular aperture and the edge of circular patches, when
Embolus, which drops to right ventricle, may cause embolism pulmonary artery, and when embolus drops to left ventricle, possible embolism brain, liver, kidney etc. are important
Internal organs seriously affect life security.
Invention content
The present invention in order to solve shortcoming in the prior art, provide it is a kind of it is easy to use, can be quickly to biology
Sticking patch carries out department of cardiac surgery's biological sticking patch cutter of the biological sticking patch the smooth of the edge after the cutting of different radii, cutting.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Department of cardiac surgery's biological sticking patch cutter, packet
Pedestal and cutting knife cylinder are included, pedestal is circular configuration, and there are two lower handles for the outside fixation of pedestal, and two lower handles are about pedestal
Circular symmetry is arranged, and the upper surface of each lower handle is fixed with fin, and the upper surface of pedestal is equipped with cutting chamber；
Cutting knife cylinder is the tube structure of bottom opening, the bottom surface radius of cutting knife cylinder equal to pedestal radius, outside the bottom of cutting knife cylinder
Side is fixed there are two upper handle, and two upper handles are arranged about the axisymmetrical of cutting knife cylinder, and the bottom of each upper handle offers
Groove compatible with fin；Adjustable cutter mechanism is equipped in cutting knife cylinder.
The top coaxial line of cutting knife cylinder is fixed with thread bush, and adjustable cutter mechanism includes cutting pipe and adjusting rod, is cut
Pipe cutting is threaded in thread bush, cut pipe upper end be pierced by thread bush upwards after be connected with operation handle, cut pipe
Lower end extend into cutting knife cylinder and is connected with mounting box, and adjusting rod is rotatably connected on by bearing in cutting pipe, adjusting rod
Upper end is connected with rotating handle after being pierced by cutting pipe upwards, and the lower end of adjusting rod extend into installation after being passed down through at the top of mounting box
In box, the lower end of adjusting rod is fixed with driving gear, and the front side of mounting box and rear side are respectively fixed with guiding square tube, and two are led
It is arranged to square tube along left and right horizontal direction, two are oriented to square tube and are centrosymmetric about the center of mounting box, mounting box and two
The junction that root is oriented to square tube offers perforation, and every is oriented to sliding in square tube and is inserted with cutter mounting rod, two cutter peaces
Dress bar side be fixed with rack along its length, drive gear teeth pass through two perforation after on two cutter mounting rods
Rack be meshed；
The left end of the right end of the cutter mounting rod of front side and the cutter mounting rod of rear side is respectively and fixedly provided with limited block, limited block and guiding
Square tube inner wall is slidably matched, and the right end of the left end of the cutter mounting rod of front side and the cutter mounting rod of rear side is equipped with cutter part,
Two groups of cutter parts are equal at a distance from the center of driving gear respectively；
The locating piece for being positioned to adjusting rod is additionally provided on cutting pipe.
Cutter part on the cutter mounting rod of front side includes connector sleeve and cutter, and the left part of cutter mounting rod is opened
Equipped with external screw thread, connector sleeve is threaded in the left part of cutter mounting rod, and cutter is of an L-shaped structure, and cutter is hinged on connector sleeve
Left end；
Circular cutting region is formed between two groups of cutters.
Operation handle is equipped with rubber antiskid set, and rotating handle is equipped with anti-skidding cord.
Locating piece includes positioning bolt, and the upper end for cutting pipe radially offers threaded hole, the top of adjusting rod
Location notch hole is offered along circumferential direction, and positioning bolt is threaded in threaded hole and the inner end of positioning bolt extend into positioning
In slot.
The upper-end outer surface of adjusting rod is equipped with the graduation mark for showing cutting region radius.
Above-mentioned technical proposal is used, the invention has the advantages that：
（1）, the present invention can according to form, size of ventricular septal defect etc. to biological sticking patch carry out fly-cutting, two of which
The distance between cutter can be adjusted quickly, to meet the biological sticking patch needs of cutting different radii, be specifically adjusted
Principle is：Rotating handle rotation adjusting lever is operated, adjusting rod rotation in cutting is managed is fixed on the driving gear of adjusting rod lower end
Rotation, due to the rack engaged transmission on driving gear and two cutter mounting rods, two cutter mounting rods are about mounting box
Center is centrosymmetric, so sliding tooth rotation kinetic potential must drive two mounting rods edges guiding side in-pipe, so as to adjust
The distance between two cutters change the radius of cutting region；
（2）, positioning bolt be used to position adjusting rod in cutting, prevent in cutting process adjusting rod rotation in cutting is managed,
Influence operation；
（3）, cutter the end of cutter mounting rod is connected to by connector sleeve, installation cutter is convenient and efficient, and in addition cutter is hinged on
On connector sleeve, connector sleeve is screwed when not in use, you can cutter is removed from cutter mounting rod, then folds cutter so that
Cutter is parallel with connector sleeve, to facilitate storage cutter；
（4）, adjusting rod upper-end outer surface be equipped with graduation mark for showing cutting region radius, which is scribing
When, adjusting rod certain angle is rotated, the radius of the cutting region between two cutters is then corresponded to, which is engraved on adjusting
The upper-end outer surface of bar, medical staff rotate by a certain angle, you can to learn cutting region by observing graduation mark
Radius, it is highly practical；
（5）, the present invention use two cutters, cutting process is convenient and efficient, and incisxal edge is smooth, when blood flows through sticking patch edge,
It is not easy to form lateral thrombus blocking channel；
In conclusion structure of the invention reasonable design, easy to use, can different radii quickly be carried out to biological sticking patch and cut
It cuts, the biological sticking patch the smooth of the edge after cutting is highly practical.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of cutting knife cylinder；
Fig. 3 is the enlarged drawing at H in Fig. 2；
Fig. 4 is the connection diagram of mounting box and two guiding square tubes.
Specific implementation mode
As shown in Figs 1-4, department of cardiac surgery of the invention biological sticking patch cutter, including pedestal 1 and cutting knife cylinder 2, pedestal 1
Outside for circular configuration, pedestal 1 is fixed there are two lower handle 3, and two lower handles 3 are arranged about the circular symmetry of pedestal 1, often
The upper surface of a lower handle 3 is fixed with fin 4, and the upper surface of pedestal 1 is equipped with cutting chamber；
Cutting knife cylinder 2 is the tube structure of bottom opening, and the bottom surface radius of cutting knife cylinder 2 is equal to the radius of pedestal 1, the bottom of cutting knife cylinder 2
Fixed there are two upper handle 5 on the outside of portion, two upper handles 5 are arranged about the axisymmetrical of cutting knife cylinder 2, the bottom of each upper handle 5
Portion offers groove compatible with fin 4；Adjustable cutter mechanism is equipped in cutting knife cylinder 2.
The top coaxial line of cutting knife cylinder 2 is fixed with thread bush 6, and adjustable cutter mechanism includes cutting pipe 7 and adjusting rod
8, cutting pipe 7 be threaded in thread bush 6, cutting pipe 7 upper end be pierced by thread bush 6 upwards after be connected with operation handle 9,
The lower end of cutting pipe 7 extend into cutting knife cylinder 2 and is connected with mounting box 10, and adjusting rod 8 is rotatably connected on cutting by bearing
In pipe 7（Bearing is not shown in figure）, the upper end of adjusting rod 8 is connected with rotating handle 11, adjusting rod 8 after being pierced by cutting pipe 7 upwards
Lower end be passed down through the top of mounting box 10 after extend into mounting box 10, the lower end of adjusting rod 8 is fixed with driving gear 12,
The front side of mounting box 10 and rear side, which are respectively fixed with, is oriented to square tube 13, and two are oriented to square tube 13 and are arranged along left and right horizontal direction,
Two are oriented to square tube 13 and are centrosymmetric about the center of mounting box 10, and mounting box 10 and the junction of two guiding square tubes 13 are equal
Perforation 14 is offered, every is oriented to sliding in square tube 13 and is inserted with cutter mounting rod 15, the side edge of two cutter mounting rods 15
Length direction is fixed with rack 16, the teeth of driving gear 12 pass through after two perforation 14 with the tooth on two cutter mounting rods 15
Item 16 is meshed；
The left end of the right end of the cutter mounting rod 15 of front side and the cutter mounting rod 15 of rear side is respectively and fixedly provided with limited block 17, limited block
17 are slidably matched with 13 inner wall of square tube is oriented to, and limited block 17 is for preventing cutter mounting rod 15 to be detached from moving process middle rack 16
Driving gear 12, the right end of the left end of the cutter mounting rod 15 of front side and the cutter mounting rod 15 of rear side is equipped with cutter part, and two
Group cutter part is equal at a distance from the center of driving gear 12 respectively；
The locating piece for being positioned to adjusting rod 8 is additionally provided on cutting pipe 7.
Cutter part on the cutter mounting rod 15 of front side includes connector sleeve 18 and cutter 19, cutter mounting rod 15
Left part offers external screw thread, and connector sleeve 18 is threaded in the left part of cutter mounting rod 15, and cutter 19 is of an L-shaped structure, cuts
Knife 19 is hinged on the left end of connector sleeve 18；
Circular cutting region is formed between two groups of cutters 19.
Operation handle 9 is equipped with rubber antiskid set, and rotating handle 11 is equipped with anti-skidding cord.
Locating piece includes positioning bolt 20, and the upper end of cutting pipe 7 radially offers threaded hole, adjusting rod 8
Top offers location notch hole 21 along circumferential direction, and positioning bolt 20 is threaded in threaded hole and the inner end of positioning bolt 20
It extend into location notch hole 21.
The upper-end outer surface of adjusting rod 8 is equipped with the graduation mark for showing cutting region radius.
The present invention can carry out fly-cutting, cutting life according to form, size of ventricular septal defect etc. to biological sticking patch
The course of work of object sticking patch is：Positioning bolt 20 is rotated outward, the inner end of positioning bolt 20 is deviate from out of location notch hole 21, then
By operating 11 rotation adjusting lever 8 of rotating handle, the rotation in cutting pipe 7 of adjusting rod 8 is fixed on the driving of 8 lower end of adjusting rod
Gear 12 rotates, due to 16 engaged transmission of rack on driving gear 12 and two cutter mounting rods 15, two cutter mounting rods
15 are centrosymmetric about the center of mounting box 10, so the driving rotation of gear 12 will certainly drive two mounting rods along guiding side
It is moved in pipe 13, so as to adjust the distance between two cutters 19, changes the radius of cutting region, after adjusting, again
Screw positioning bolt 20 so that the inner end of positioning bolt 20 is extend into location notch hole 21 and positioning bolt 20 and adjusting rod 8
Top pressure coordinates；Then biological sticking patch is placed on pedestal 1, cutting knife cylinder 2 is placed on pedestal 1, two upper handles 5 divide at this time
Wei Yu not be on two lower handles 3, and the fin 4 on lower handle 3 is located in the groove of upper handle 5, completes the positioning peace of cutting knife cylinder 2
It filling, then rotation process handle 9 so that cutting pipe 7 threadingly covers 6 and slowly moves downward, while cutting pipe 7 moves down,
Two cutters 19 start to rotate and move down, and final two cutters 19 cut the biological sticking patch of 1 upper surface of pedestal, cut
The biological sticking patch that cutting knife cylinder 2 can be taken off well cutting is opened up after the completion of cutting.
The present embodiment is not to be made any form of restriction to shape, material, the structure etc. of the present invention, every according to this hair
Bright technical spirit belongs to the technology of the present invention side to any simple modification, equivalent change and modification made by above example
The protection domain of case.
Claims (6)
1. department of cardiac surgery's biological sticking patch cutter, it is characterised in that：Including pedestal and cutting knife cylinder, pedestal is circular configuration, bottom
The outside of seat is fixed there are two lower handle, and two lower handles are arranged about the circular symmetry of pedestal, the upper surface of each lower handle
It is fixed with fin, the upper surface of pedestal is equipped with cutting chamber；
Cutting knife cylinder is the tube structure of bottom opening, the bottom surface radius of cutting knife cylinder equal to pedestal radius, outside the bottom of cutting knife cylinder
Side is fixed there are two upper handle, and two upper handles are arranged about the axisymmetrical of cutting knife cylinder, and the bottom of each upper handle offers
Groove compatible with fin；Adjustable cutter mechanism is equipped in cutting knife cylinder.
2. department of cardiac surgery according to claim 1 biological sticking patch cutter, it is characterised in that：The top of cutting knife cylinder is coaxial
Line is fixed with thread bush, and adjustable cutter mechanism includes cutting pipe and adjusting rod, and cutting pipe screw thread is connected in thread bush, cuts
The upper end of pipe cutting is connected with operation handle after being pierced by thread bush upwards, and the lower end for cutting pipe extend into cutting knife cylinder and connects
There is a mounting box, adjusting rod is rotatably connected on by bearing in cutting pipe, and the upper end of adjusting rod is connected with after being pierced by cutting pipe upwards
Rotating handle, the lower end of adjusting rod are extend into after being passed down through at the top of mounting box in mounting box, and the lower end of adjusting rod is fixed with
Gear, the front side of mounting box and rear side is driven to be respectively fixed with guiding square tube, two are oriented to square tube and are set along left and right horizontal direction
It sets, two are oriented to square tube and are centrosymmetric about the center of mounting box, and mounting box and the junction of two guiding square tubes open up
There is perforation, every is oriented to sliding in square tube and is inserted with cutter mounting rod, and the side of two cutter mounting rods is fixed along its length
There is rack, is meshed with the rack on two cutter mounting rods after driving the teeth of gear to pass through two perforation；
The left end of the right end of the cutter mounting rod of front side and the cutter mounting rod of rear side is respectively and fixedly provided with limited block, limited block and guiding
Square tube inner wall is slidably matched, and the right end of the left end of the cutter mounting rod of front side and the cutter mounting rod of rear side is equipped with cutter part,
Two groups of cutter parts are equal at a distance from the center of driving gear respectively；
The locating piece for being positioned to adjusting rod is additionally provided on cutting pipe.
3. department of cardiac surgery according to claim 2 biological sticking patch cutter, it is characterised in that：Cutter mounted on front side
Cutter part on mounting rod includes connector sleeve and cutter, and the left part of cutter mounting rod offers external screw thread, and connection external threading connects
It is connected on the left part of cutter mounting rod, cutter is of an L-shaped structure, and cutter is hinged on the left end of connector sleeve；
Circular cutting region is formed between two groups of cutters.
4. department of cardiac surgery according to claim 2 biological sticking patch cutter, it is characterised in that：Operation handle is equipped with rubber
Glue Anti-slip cover, rotating handle are equipped with anti-skidding cord.
5. department of cardiac surgery according to claim 2 biological sticking patch cutter, it is characterised in that：Locating piece includes positioning spiral shell
Bolt, the upper end for cutting pipe radially offer threaded hole, and the top of adjusting rod offers location notch hole along circumferential direction,
Positioning bolt is threaded in threaded hole and the inner end of positioning bolt is extend into location notch hole.
6. department of cardiac surgery according to claim 3 biological sticking patch cutter, it is characterised in that：Outside the upper end of adjusting rod
Surface is equipped with the graduation mark for showing cutting region radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431533.3A CN108527483A (en) | 2018-05-08 | 2018-05-08 | Department of cardiac surgery's biological sticking patch cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431533.3A CN108527483A (en) | 2018-05-08 | 2018-05-08 | Department of cardiac surgery's biological sticking patch cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108527483A true CN108527483A (en) | 2018-09-14 |
Family
ID=63477082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810431533.3A Pending CN108527483A (en) | 2018-05-08 | 2018-05-08 | Department of cardiac surgery's biological sticking patch cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108527483A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114668458A (en) * | 2022-05-31 | 2022-06-28 | 山东第一医科大学附属省立医院(山东省立医院) | Biological patch cutter for cardiac surgery |
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