CN117067263B - Umbilical cord separating device - Google Patents
Umbilical cord separating device Download PDFInfo
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- CN117067263B CN117067263B CN202311321967.5A CN202311321967A CN117067263B CN 117067263 B CN117067263 B CN 117067263B CN 202311321967 A CN202311321967 A CN 202311321967A CN 117067263 B CN117067263 B CN 117067263B
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- umbilical cord
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- cutter
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- 210000003954 umbilical cord Anatomy 0.000 title claims abstract description 106
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 210000002901 mesenchymal stem cell Anatomy 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005847 immunogenicity Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 210000001644 umbilical artery Anatomy 0.000 description 1
- 210000003606 umbilical vein Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
- B26B13/28—Joints
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/04—Cell isolation or sorting
Abstract
The application relates to the technical field of biotechnology equipment, in particular to an umbilical cord separating device, which is used for cutting an umbilical cord along the axial direction and comprises a first cutter body, a second cutter body, a blade and an adjusting mechanism, wherein the first cutter body is hinged with the second cutter body, and the first cutter body and the second cutter body are provided with an operation end and a holding end; the blade can be movably arranged between the first blade body and the second blade body, the blade exceeds the operation end of the second blade body, and the blade edge of the blade faces the second blade body; the blade is provided with a first working position and a second working position, when the blade is positioned at the first working position, the blade is overlapped with the first blade body, and when the blade is positioned at the second working position, the blade is perpendicular to the first blade body; the adjustment mechanism is used for switching the blade between the first working position and the second working position. When the umbilical cord incision device is used, the blade switches the working position and cuts the umbilical cord along the axial direction, and meanwhile, the umbilical cord is driven by the blade to move towards the direction close to the blade, so that the umbilical cord can be cut next time.
Description
Technical Field
The application relates to the technical field of biotechnology equipment, in particular to an umbilical cord separation device.
Background
The umbilical cord mesenchymal stem cells have the advantages of multidirectional differentiation potential, high proliferation activity, low immunogenicity and the like. A plurality of researches show that the umbilical cord mesenchymal stem cells have good treatment effect in various clinical difficult-to-heal diseases and have wide clinical application prospect. The high-efficiency in-vitro separation culture technology of umbilical cord mesenchymal stem cells has become a key limiting the clinical application and the development of scientific research.
The umbilical cord mesenchymal stem cells are mainly densely distributed in the Wharton's jelly in the range of 500-1200 mu m at the periphery of umbilical artery and vein blood vessels, and umbilical cord mesenchymal stem cells at other positions are difficult to successfully culture; when the mesenchymal stem cells of the umbilical cord are collected, the umbilical cord is required to be longitudinally split along the blood vessels in the umbilical cord, the umbilical cord is very thin, the umbilical cord opening is required to be clamped by one person in the splitting process by using tweezers, and the umbilical cord is very inconvenient to shear by one person.
Disclosure of Invention
Based on this, it is necessary to provide an umbilical cord separation device against the problem of inconvenient operation in the current umbilical cord dissection process.
The above purpose is achieved by the following technical scheme:
the umbilical cord separating device is used for cutting an umbilical cord along an axial direction and comprises a first cutter body, a second cutter body, a blade and an adjusting mechanism, wherein the first cutter body is hinged with the second cutter body, and the first cutter body and the second cutter body are provided with an operation end and a holding end; the blade can be movably arranged between the operation end of the first blade body and the operation end of the second blade body, the blade exceeds the operation end of the second blade body, the blade faces the second blade body, the blade is used for cutting the umbilical cord, the blade has a first working position and a second working position, when the blade is positioned at the first working position, a preset included angle is formed between the first blade body and the second blade body, and the blade is overlapped with the first blade body; when the blade is in the second working position, the first blade body and the second blade body are closed, and the blade is perpendicular to the first blade body; the adjustment mechanism is for switching the blade between the first operating position and the second operating position.
Further, the blade is provided with a connecting hole and a first guide groove; the adjusting mechanism comprises a first sliding block, a second sliding block, a guide assembly and a driving assembly, wherein the first sliding block can be arranged on the first cutter body in a sliding manner along the length direction of the first cutter body, a first guide column is arranged on the first sliding block, and the first guide column can slide along the first guide groove; the second sliding block can be arranged on the second cutter body in a sliding manner along the length direction of the second cutter body, a second guide column is arranged on the second sliding block, and the second guide column can be rotatably inserted into the connecting hole; the guide component is used for guiding the blade to move towards or away from the hinge point of the first cutter body and the second cutter body; the driving component is used for providing driving force for guiding the blade by the guiding component.
Further, the guide assembly comprises a second guide groove and a fixed shaft, the second guide groove is arranged on the blade, and the second guide groove comprises a first section and a second section which are connected end to end; the fixed shaft is arranged on the second cutter body and can slide along the second guide groove.
Further, the driving assembly comprises a first magnet block and a second magnet block, and the first magnet block is arranged on the first cutter body; the second magnet block is arranged on the blade; when the blade is positioned at the first working position, the first magnet block and the second magnet block repel each other; when the blade is positioned at the second working position, the first magnet block and the second magnet block are attracted.
Further, the operation end of the first cutter body is provided with a supporting plate, and the supporting plate is used for supporting the umbilical cord.
Further, the contact surface of the supporting plate and the umbilical cord is an arc surface.
Further, an operation end of the second cutter body is provided with an extrusion block, and the extrusion block is used for pushing the umbilical cord to move in a direction away from the blade.
Further, the contact surface of the extrusion block and the umbilical cord is an arc surface.
Further, the holding end of the first cutter body and the holding end of the second cutter body are both provided with a holding part.
Further, the first cutter body and the second cutter body are connected through a hinge post.
The beneficial effects of the application are as follows:
the application provides an umbilical cord separating device which is used for cutting an umbilical cord along an axial direction, and comprises a first cutter body, a second cutter body, a blade and an adjusting mechanism, wherein the first cutter body is hinged with the second cutter body, and the first cutter body and the second cutter body are provided with an operation end and a holding end; the blade can be movably arranged between the operation end of the first blade body and the operation end of the second blade body, the blade exceeds the operation end of the second blade body, the blade edge of the blade faces the second blade body, the blade has a first working position and a second working position, when the blade is in the first working position, the blade is overlapped with the first blade body, and when the blade is in the second working position, the blade is perpendicular to the first blade body; the adjustment mechanism is used for switching the blade between the first working position and the second working position. When the device is used, the blade is driven by the adjusting mechanism to switch from a first working position to a second working position, the umbilical cord is cut along the axial direction by the blade, meanwhile, the umbilical cord is driven by the blade to move towards a direction close to the hinge point of the first blade body and the second blade body, and on the other hand, the blade is driven by the blade to move towards a direction close to the hinge point of the first blade body and the second blade body; the adjusting mechanism enables the blade to be switched from the second working position to the first working position on one hand, and enables the blade to move in a direction away from a hinge point of the first cutter body and the second cutter body on the other hand, so that the umbilical cord is cut when the second cutter body and the first cutter body are closed next time; when the blade is switched from the second working position to the first working position, the blade is positioned closer to the hinge point of the first blade body and the second blade body, so that the blade cannot cut off the part of the umbilical cord moving towards the hinge point of the first blade body and the second blade body, and therefore when the second blade body and the first blade body are closed again, the blade can cut the umbilical cord along the axis direction on the one hand, and on the other hand, the umbilical cord moves towards the direction close to the hinge point of the first blade body and the second blade body under the driving of the blade, and therefore, only one person is required to manually drive the second blade body and the first blade body to be continuously closed and opened, and the umbilical cord can be cut along the axis.
Further, through setting up the backup pad at the operation end of first cutter body, when the blade cutting navel cord, the backup pad plays the supporting role to the navel cord, prevents that the navel cord from breaking away from first cutter body.
Further, through setting up extrusion piece at the operation end of second cutter body, when the blade is in the second working position, extrusion piece can push away the partial umbilical cord that has cut the completion, does not influence the follow-up operation to the partial umbilical cord that does not cut to can ensure the cutting line and the general alignment of last time when cutting next time, improve cutting accuracy.
Drawings
FIG. 1 is a schematic perspective view of an umbilical cord separation device according to an embodiment of the present application;
FIG. 2 is a schematic view of the umbilical cord separation device of FIG. 1 in an enlarged partial structure at A;
FIG. 3 is a schematic front view of a first blade of an umbilical cord separation device according to an embodiment of the present application;
FIG. 4 is a schematic front view of a second blade of the umbilical cord separation device according to an embodiment of the present application;
FIG. 5 is a schematic perspective view of a blade of an umbilical cord separation device according to an embodiment of the present application;
FIG. 6 is a schematic diagram showing a blade of an umbilical cord separation device according to an embodiment of the present application;
FIG. 7 is a schematic perspective view of a blade of an umbilical cord separation device according to an embodiment of the present application in a first working position;
FIG. 8 is a schematic perspective view of a blade of an umbilical cord separation device according to an embodiment of the present application in a second working position;
fig. 9 is a schematic diagram of the operation of the fixing shaft of the umbilical cord separation device on the blade according to an embodiment of the present application.
Wherein:
100. a first cutter body; 101. a first cutter head; 1011. a support plate; 1012. a first chute; 102. a first slider; 1021. a first guide post; 103. a first magnet block;
200. a second cutter body; 201. a second cutter head; 2011. extruding a block; 2012. a second chute; 202. a second slider; 2021. a second guide post; 203. a fixed shaft;
300. a hinge post;
400. a blade; 401. cutting a surface; 402. a connection hole; 403. a first guide groove; 404. a second guide groove; 405. and a second magnet block.
Detailed Description
The present application will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 9, an umbilical cord separation device according to an embodiment of the present application is provided to cut an umbilical cord along an axial direction; in this embodiment, the umbilical cord separation device includes a first cutter body 100, a second cutter body 200, a blade 400 and an adjusting mechanism, where the first cutter body 100 and the second cutter body 200 are hinged, the first cutter body 100 and the second cutter body 200 both have an operation end and a holding end, as shown in fig. 1, an upper half part of a hinge point of the first cutter body 100 and the second cutter body 200 is an operation end, a lower half part of a hinge point of the first cutter body 100 and the second cutter body 200 is a holding end, the operation end of the first cutter body 100 has a first cutter head 101, and the operation end of the second cutter body 200 has a second cutter head 201; the blade 400 is movably disposed between the operation end of the first blade body 100 and the operation end of the second blade body 200, the blade 400 exceeds the operation end of the second blade body 200, the blade 400 faces the second blade body 200, as shown in fig. 5, the blade 400 has a cutting surface 401, and in this embodiment, the blade 400 has a cutting surface 401, and the cutting surface 401 is used for cutting an umbilical cord; the blade 400 has a first working position and a second working position, when the blade 400 is in the first working position, the first blade body 100 and the second blade body 200 are opened, a preset included angle is formed between the first blade body 100 and the second blade body 200, and the blade 400 and the first blade body 100 are overlapped; when the blade 400 is in the second working position, the first blade body 100 and the second blade body 200 are closed, and the blade 400 is perpendicular to the first blade body 100; the adjustment mechanism is used to switch the blade 400 between the first operating position and the second operating position.
When the umbilical cord cutter is used, part of the first cutter head 101 and part of the blade 400 are plugged into an umbilical cord, the first cutter body 100 is abutted against the inner wall surface of the umbilical cord, the first cutter body 100 is kept motionless, the second cutter body 200 and the first cutter body 100 are driven to be closed manually, the blade 400 is switched from a first working position to a second working position by the adjusting mechanism, the blade 400 cuts the umbilical cord along the axis direction when the working position is switched, and meanwhile, the umbilical cord is driven by the blade 400 to move along the first cutter body 100 to a direction close to the hinge point of the first cutter body 100 and the second cutter body 200, and the blade 400 is driven to move to a direction close to the hinge point of the first cutter body 100 and the second cutter body 200; the first cutter body 100 is kept still, the second cutter body 200 and the first cutter body 100 are driven to open manually, the blade 400 is switched to the first working position from the second working position by the adjusting mechanism on one hand, and the blade 400 is moved to a direction away from the hinge point of the first cutter body 100 and the second cutter body 200 on the other hand, so that the umbilical cord is cut when the second cutter body 200 and the first cutter body 100 are closed next time; when the blade 400 is switched from the second working position to the first working position, since the blade 400 is positioned closer to the hinge point of the first blade body 100 and the second blade body 200, the blade 400 does not cut off the part of the umbilical cord moving towards the hinge point of the first blade body 100 and the second blade body 200, so that when the second blade body 200 and the first blade body 100 are closed again, the blade 400 can cut the umbilical cord along the axial direction on one hand, and on the other hand, the umbilical cord moves towards the direction close to the hinge point of the first blade body 100 and the second blade body 200 under the driving of the blade 400, so that the umbilical cord can be cut along the axial direction only by one person who manually drives the second blade body 200 to continuously close and open the first blade body 100, and the time and the labor are saved.
In some embodiments, as shown in fig. 3, 4 and 5, the blade 400 is provided with a connection hole 402 and a first guide groove 403, and the connection hole 402 and the first guide groove 403 are provided through the blade 400; the adjusting mechanism comprises a first sliding block 102, a second sliding block 202, a guiding assembly and a driving assembly, wherein a first sliding groove 1012 is formed in the first cutter body 100, the first sliding groove 1012 is formed in the first cutter body 100 along the length direction of the first cutter body 100, the first sliding block 102 can be slidably arranged on the first cutter body 100 along the first sliding groove 1012, a first guiding column 1021 is arranged on the first sliding block 102, and the first guiding column 1021 can slide along the first guiding groove 403; the second cutter body 200 is provided with a second chute 2012, the second chute 2012 is arranged along the length direction of the second cutter body 200, the second slider 202 can be arranged on the second cutter body 200 in a sliding manner along the second chute 2012, the second slider 202 is provided with a second guide post 2021, and the second guide post 2021 can be rotatably inserted into the connecting hole 402; the guiding component is used for guiding the blade 400 to move towards or away from the hinge point of the first blade body 100 and the second blade body 200, and on the one hand, when the blade 400 is switched from the first working position to the second working position, the blade 400 moves towards the direction close to the hinge point of the first blade body 100 and the second blade body 200; on the other hand, when the blade 400 is switched from the second working position to the first working position, because the blade 400 is positioned closer to the hinge point of the first blade body 100 and the second blade body 200, the blade 400 does not cut off the part of the umbilical cord moving towards the hinge point of the first blade body 100 and the second blade body 200, so that when the second blade body 200 and the first blade body 100 are closed again, the blade 400 can cut the umbilical cord along the axis on the one hand, and on the other hand, the umbilical cord moves towards the direction close to the hinge point of the first blade body 100 and the second blade body 200 under the driving of the blade 400, so that the umbilical cord can be cut along the axis only by one person who manually drives the second blade body 200 to close and open the first blade body 100; the driving assembly serves to provide a driving force for the guide assembly to guide the blade 400.
In a further embodiment, as shown in fig. 4 and 6, the guide assembly may be configured to include a second guide slot 404 and a stationary shaft 203, the second guide slot 404 being provided on the blade 400, the second guide slot 404 including a first section and a second section connected end to end, the second guide slot 404 having a predetermined depth; the fixed shaft 203 is disposed on the second cutter body 200 on the same side as the second guide post 2021, and the fixed shaft 203 can slide along the second guide groove 404.
Four punctuations b, c, d, e in fig. 9 represent the positions of the fixed shaft 203, and a first section of the second guide groove 404 includes an arc-shaped portion from b to c and a vertical portion from c to d, and a second section of the second guide groove 404 includes an arc-shaped portion from d to e and an arc-shaped portion from e to b; initially, as shown in fig. 7, the blade 400 is in the first working position, the first blade body 100 and the second blade body 200 are opened, a preset included angle is formed between the first blade body 100 and the second blade body 200, the blade 400 and the first blade body 100 are overlapped, and the fixed shaft 203 is located at the b position; as shown in fig. 8, the blade 400 is in the second working position, the first blade body 100 and the second blade body 200 are closed, the blade 400 is perpendicular to the first blade body 100, and the fixing shaft 203 is in the c position; when the blade 400 is switched from the second operating position to the first operating position, the stationary shaft 203 moves from the c-position to the d-position, then from the d-position to the e-position, and finally from the e-position to the b-position.
In other embodiments, as shown in fig. 3 and 5, the driving assembly may be configured to include a first magnet block 103 and a second magnet block 405, the first magnet block 103 being disposed on the first cutter body 100; the second magnet block 405 is disposed on the blade 400; when the blade 400 is in the first working position, the first magnet 103 and the second magnet 405 are in a repulsive state; when the blade 400 is in the second working position, the first magnet 103 and the second magnet 405 are in a attracted state.
Specifically, as shown in fig. 3, an end of the first magnet block 103 close to the first cutter head 101 is an N pole, and an end of the first magnet block 103 far from the first cutter head 101 is an S pole; as shown in fig. 5, the end of the second magnet 405, which is close to the cutting surface 401, is S-pole, and the end of the second magnet 405, which is far from the cutting surface 401, is N-pole; as shown in fig. 7, the blade 400 is in the first working position, the N pole of the first magnet block 103 is opposite to the N pole of the second magnet block 405, that is, the first magnet block 103 and the second magnet block 405 are in a repulsive state; as shown in fig. 8, the blade 400 is in the second working position, and the N pole of the first magnet 103 is opposite to the S pole of the second magnet 405, that is, the first magnet 103 and the second magnet 405 are in a attracted state.
When the umbilical cord cutter is used, part of the first cutter head 101 and part of the blade 400 are plugged into an umbilical cord, the first cutter body 100 is abutted against the inner wall surface of the umbilical cord, the first cutter body 100 is kept motionless, the second cutter body 200 and the first cutter body 100 are manually driven to be closed, the first guide column 1021 and the first guide groove 403 are matched, the second guide column 2021 and the connecting hole 402 are matched, the blade 400 is switched from a first working position to a second working position, when the working position is switched, the blade 400 cuts the umbilical cord along the axial direction, and meanwhile, the umbilical cord is driven by the blade 400 to move along the direction of the first cutter body 100, which is close to the hinge point of the first cutter body 100 and the second cutter body 200, and the fixed shaft 203 is moved from the position b to the position c; when the working position is switched, the first magnet block 103 and the second magnet block 405 are changed from the repulsive state to the attractive state, the second magnet block 405 moves towards the direction close to the first magnet block 103 under the magnetic action, the second magnet block 405 drives the blade 400 to move towards the direction close to the first magnet block 103, the first slider 102 is synchronously driven to move towards the direction close to the first magnet block 103 along the first sliding groove 1012, and the second slider 202 moves towards the direction close to the first magnet block 103 along the second sliding groove 2012, so that the fixed shaft 203 moves from the c position to the d position.
The first cutter body 100 is kept still, the second cutter body 200 and the first cutter body 100 are driven to open manually, the first guide column 1021 and the first guide groove 403 are matched, the second guide column 2021 and the connecting hole 402 are matched, so that the cutter blade 400 is switched from the second working position to the first working position, and when the working position is switched, the cutter blade 400 is positioned closer to the first magnet block 103, so that the cutter blade 400 cannot cut an uncut part of an umbilical cord, and when the second cutter body 200 and the first cutter body 100 are closed again, the cutter blade 400 can cut the umbilical cord along the axial direction on one hand, and on the other hand, the umbilical cord moves along the first cutter body 100 along the direction close to the hinge point of the first cutter body 100 and the second cutter body 200 under the driving of the cutter blade 400, so that the next cutting is facilitated; when the working position is switched, the first magnet block 103 and the second magnet block 405 are in a state of being attracted to each other and in a state of being repelled from each other, the second magnet block 405 moves away from the first magnet block 103 under the action of magnetism, the second magnet block 405 drives the blade 400 to move away from the hinge point of the first blade body 100 and the second blade body 200, and synchronously drives the first slider 102 to move along the first sliding groove 1012 in a direction away from the first magnet block 103, and the second slider 202 moves along the second sliding groove 2012 in a direction away from the first magnet block 103, so that the fixed shaft 203 moves from the d position to the e position and then moves from the e position to the b position.
In other embodiments, the driving assembly may further include two compression springs, where one compression spring is disposed in the first chute 1012, and one end of the compression spring is fixedly connected to the first cutter body 100, and the other end of the compression spring is fixedly connected to the first slider 102; the other compression spring is disposed in the second chute 2012, and has one end fixedly connected to the second cutter body 200 and the other end fixedly connected to the second slider 202.
In the process of switching the blade 400 from the first working position to the second working position, under the action of the pressure spring, the first sliding block 102 moves along the first sliding groove 1012 in the direction of approaching the hinge point of the first blade body 100 and the second blade body 200, the second sliding block 202 moves along the second sliding groove 2012 in the direction of approaching the hinge point of the first blade body 100 and the second blade body 200, and the first sliding block 102 and the second sliding block 202 synchronously drive the blade 400 to move in the direction of approaching the hinge point of the first blade body 100 and the second blade body 200, so that the fixed shaft 203 moves from the c position to the d position.
In some embodiments, as shown in fig. 3, the operative end of the first blade body 100 is provided with a buttress plate 1011, which buttress plate 1011 supports the umbilical cord as the blade 400 cuts the umbilical cord, preventing the umbilical cord from exiting the first blade body 100.
In a further embodiment, to increase the contact area of the support plate 1011 and the umbilical cord, the contact surface of the support plate 1011 and the umbilical cord is set to be a cambered surface.
In some embodiments, as shown in fig. 4, the operation end of the second cutter body 200 is provided with a squeeze block 2011, and the squeeze block 2011 is used to push the umbilical cord to move away from the blade 400; when the blade 400 is in the second working position, the extrusion block 2011 can push away the part of the umbilical cord which is already cut, so that the subsequent operation on the part of the umbilical cord which is not cut is not affected, the cutting line in the next cutting process and the last cutting process are ensured to be approximately aligned, and the cutting precision is improved.
In a further embodiment, to increase the contact area of the compression block 2011 and the umbilical cord, the contact surface of the compression block 2011 and the umbilical cord is set to be a cambered surface.
In some embodiments, the holding ends of the first cutter body 100 and the second cutter body 200 are provided with a hand-holding portion, so that manual operation is facilitated.
In some embodiments, as shown in fig. 1, the first cutter body 100 and the second cutter body 200 are connected by a hinge post 300, and one end of the hinge post 300 is rotatably inserted into the first cutter body 100, and the other end is rotatably inserted into the second cutter body 200.
In combination with the above embodiment, the use principle and working process of the embodiment of the present application are as follows:
when the umbilical cord cutter is used, part of the first cutter head 101 and part of the blade 400 are plugged into an umbilical cord, the first cutter body 100 is abutted against the inner wall surface of the umbilical cord, the first cutter body 100 is kept motionless, the second cutter body 200 and the first cutter body 100 are manually driven to be closed, the first guide column 1021 and the first guide groove 403 are matched, the second guide column 2021 and the connecting hole 402 are matched, the blade 400 is switched from a first working position to a second working position, when the working position is switched, the blade 400 cuts the umbilical cord along the axial direction, and meanwhile, the umbilical cord is driven by the blade 400 to move along the direction of the first cutter body 100, which is close to the hinge point of the first cutter body 100 and the second cutter body 200; the fixed shaft 203 moves from the b position to the c position; when the blade 400 is switched from the first working position to the second working position, the first magnet 103 and the second magnet 405 are changed from the repulsive state to the attractive state, the second magnet 405 moves towards the direction close to the first magnet 103 under the magnetic action, the second magnet 405 drives the blade 400 to move towards the direction close to the hinge point of the first blade body 100 and the second blade body 200, and synchronously drives the first slider 102 to move towards the direction close to the first magnet 103 along the first sliding groove 1012, and the second slider 202 moves towards the direction close to the first magnet 103 along the second sliding groove 2012, so that the fixed shaft 203 moves from the c position to the d position.
The first cutter body 100 keeps still, the second cutter body 200 and the first cutter body 100 are driven to open manually, the first guide column 1021 and the first guide groove 403 are matched, the second guide column 2021 and the connecting hole 402 are matched to enable the cutter blade 400 to be switched from the second working position to the first working position, when the working position is switched, the first magnet block 103 and the second magnet block 405 are changed into the repulsive state from the attractive state, the second magnet block 405 moves away from the first magnet block 103 under the magnetic action, the second magnet block 405 drives the cutter blade 400 to move away from the hinge point of the first cutter body 100 and the second cutter body 200, and simultaneously drives the first slider 102 to move along the first sliding groove 1012 in the direction away from the first magnet block 103, and the second slider 202 moves along the second sliding groove 2012 in the direction away from the first magnet block 103, so that the fixed shaft 203 moves from the d position to the e position and then moves from the e position to the b position.
The umbilical cord is cut in the axial direction by constantly closing and opening the second blade body 200 and the first blade body 100.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. The umbilical cord separating device is characterized by comprising a first cutter body, a second cutter body, a blade and an adjusting mechanism, wherein the first cutter body and the second cutter body are connected in a hinged mode, and the first cutter body and the second cutter body are provided with an operation end and a holding end; the blade can be movably arranged between the operation end of the first blade body and the operation end of the second blade body, the blade exceeds the operation end of the second blade body, the blade faces the second blade body, the blade is used for cutting the umbilical cord, the blade has a first working position and a second working position, when the blade is positioned at the first working position, a preset included angle is formed between the first blade body and the second blade body, and the blade is overlapped with the first blade body; when the blade is in the second working position, the first blade body and the second blade body are closed, and the blade is perpendicular to the first blade body; the adjustment mechanism is for switching the blade between the first operating position and the second operating position.
2. The umbilical cord separation device of claim 1 wherein the blade is provided with a connection hole and a first guide slot; the adjusting mechanism comprises a first sliding block, a second sliding block, a guide assembly and a driving assembly, wherein the first sliding block can be arranged on the first cutter body in a sliding manner along the length direction of the first cutter body, a first guide column is arranged on the first sliding block, and the first guide column can slide along the first guide groove; the second sliding block can be arranged on the second cutter body in a sliding manner along the length direction of the second cutter body, a second guide column is arranged on the second sliding block, and the second guide column can be rotatably inserted into the connecting hole; the guide component is used for guiding the blade to move towards or away from the hinge point of the first cutter body and the second cutter body; the driving component is used for providing driving force for guiding the blade by the guiding component.
3. The umbilical cord separation device of claim 2 wherein the guide assembly includes a second guide slot and a stationary shaft, the second guide slot being provided on the blade, the second guide slot including first and second segments joined end-to-end; the fixed shaft is arranged on the second cutter body and can slide along the second guide groove.
4. The umbilical cord separation device of claim 2 wherein the drive assembly includes a first magnet block and a second magnet block, the first magnet block disposed on the first blade body; the second magnet block is arranged on the blade; when the blade is positioned at the first working position, the first magnet block and the second magnet block repel each other; when the blade is positioned at the second working position, the first magnet block and the second magnet block are attracted.
5. The umbilical cord separation apparatus of claim 1 wherein the operative end of the first blade body is provided with a support plate for supporting the umbilical cord.
6. The umbilical cord separation device of claim 5 wherein the interface of the support plate and the umbilical cord is a cambered surface.
7. The umbilical cord separation apparatus of claim 1 wherein the operative end of the second blade body is provided with a squeeze block for urging the umbilical cord to move away from the blade.
8. The umbilical cord separation apparatus of claim 7 wherein the contact surface of the extrusion block and the umbilical cord is a cambered surface.
9. The umbilical cord separation device of claim 1, wherein the gripping end of the first blade body and the gripping end of the second blade body are each provided with a hand-held portion.
10. The umbilical cord separation device of claim 1 wherein the first blade body and the second blade body are connected by a hinge post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311321967.5A CN117067263B (en) | 2023-10-13 | 2023-10-13 | Umbilical cord separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311321967.5A CN117067263B (en) | 2023-10-13 | 2023-10-13 | Umbilical cord separating device |
Publications (2)
| Publication Number | Publication Date |
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| CN117067263A CN117067263A (en) | 2023-11-17 |
| CN117067263B true CN117067263B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311321967.5A Active CN117067263B (en) | 2023-10-13 | 2023-10-13 | Umbilical cord separating device |
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|---|---|---|---|---|
| US4026294A (en) * | 1975-10-08 | 1977-05-31 | Martin Mattler | Combination clamping/cutting apparatus and methods of using same |
| CN2405559Y (en) * | 2000-01-12 | 2000-11-15 | 陆盘中 | Funicle scissors capable of collecting cord blood |
| CN203915003U (en) * | 2014-06-13 | 2014-11-05 | 付玉敏 | A kind of department of obstetrics and gynecology umbilical cord scissors |
| CN206277420U (en) * | 2016-12-24 | 2017-06-27 | 云南新生命干细胞有限公司 | A kind of umbilical cord scissors |
| CN215503266U (en) * | 2021-03-04 | 2022-01-14 | 丽水市人民医院 | Obstetrical forceps for delivery of obstetrics with shearing function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6852117B2 (en) * | 2000-07-12 | 2005-02-08 | Medical Device Group, Inc. | Medical knife assembly and method of using same |
| EP2677947A4 (en) * | 2011-02-25 | 2014-08-06 | Cercore Llc | Ergonomic and versatile handles for tools including surgical instruments |
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2023
- 2023-10-13 CN CN202311321967.5A patent/CN117067263B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026294A (en) * | 1975-10-08 | 1977-05-31 | Martin Mattler | Combination clamping/cutting apparatus and methods of using same |
| CN2405559Y (en) * | 2000-01-12 | 2000-11-15 | 陆盘中 | Funicle scissors capable of collecting cord blood |
| CN203915003U (en) * | 2014-06-13 | 2014-11-05 | 付玉敏 | A kind of department of obstetrics and gynecology umbilical cord scissors |
| CN206277420U (en) * | 2016-12-24 | 2017-06-27 | 云南新生命干细胞有限公司 | A kind of umbilical cord scissors |
| CN215503266U (en) * | 2021-03-04 | 2022-01-14 | 丽水市人民医院 | Obstetrical forceps for delivery of obstetrics with shearing function |
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| Publication number | Publication date |
|---|---|
| CN117067263A (en) | 2023-11-17 |
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