Umbilical cord tissue cutter

By designing an umbilical cord tissue cutter that includes a threaded cylinder, a spring, and a motor drive, the problem of time-consuming and laborious manual cutting was solved, enabling rapid and stable tissue cutting and efficient fragment collection, thus improving experimental efficiency.

CN223774981UActive Publication Date: 2026-01-09SHANGHAI FUPURUI BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423273247.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-09
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In existing technologies, manually cutting umbilical cord tissue is time-consuming and labor-intensive, easily leading to fatigue of technicians, and it is difficult to cut tissue blocks into small cell clusters, affecting experimental efficiency.

Method used

An umbilical cord tissue cutter was designed, comprising a fixing frame, an outer cylinder, a cutting mechanism, and an electric telescopic rod. The device is stabilized by using a threaded cylinder, spring, and insert structure, and the combination of a motor-driven cutting blade and scraper structure enables fast and convenient tissue cutting.

Benefits of technology

It improves the stability and efficiency of umbilical cord tissue cutting, avoids device loosening and contamination, ensures that the fragments meet the requirements, facilitates subsequent digestion and processing, and reduces fatigue from manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cutters, and discloses an umbilical cord tissue cutter which comprises a fixing frame and an outer cylinder, an installation plate is fixedly installed on the inner side of the fixing frame, a fixing cylinder is fixedly installed at the bottom of the installation plate, an installation block is fixedly installed outside the fixing cylinder, an installation mechanism is arranged in the outer cylinder, and the installation block is fixedly installed on the outer cylinder. A cutting mechanism is arranged in the fixed cylinder, the outer cylinder and the fixed cylinder are mounted through a threaded cylinder, a spring drives a circular ring to move upwards, so that an inserting column is inserted into the outer cylinder, and the situation that when umbilical cord tissue is cut, axial force drives a filter cylinder to rotate, so that connection between the threaded cylinder and the fixed cylinder is loosened due to rotation of the outer cylinder is avoided; according to the umbilical cord cutting device, the outer cylinder is installed more firmly and is more stable during use, the inserting block is inserted into the rotating shaft, the cutting knife rotates to cut the umbilical cord tissue, cutting of the umbilical cord tissue is faster and more convenient, and meanwhile pollution is avoided through sealed cutting.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shears, in particular to an umbilical cord tissue shears. BACKGROUND

[0002] The umbilical cord tissue contains a large number of mesenchymal stem cells, and the mesenchymal stem cells have self-renewal ability and multi-directional differentiation potential, are easy to expand and culture in vitro, and a large number of research results show that human umbilical cord mesenchymal stem cells have therapeutic effects on various refractory diseases, and are the most promising seed cells in the field of regenerative medicine.

[0003] For laboratory researchers, in order to meet the requirements of medical experiments and obtain a large number of primary cells, more tissue blocks need to be collected for primary cell culture. At present, small pieces of umbilical cord tissue are obtained by manual shearing. The umbilical cord tissue is strong and has high stickiness and slipperiness. In the process of manually shearing the tissue, not only a lot of working time is wasted, but also the laboratory technicians are easily tired, and even the fingers and wrists of the technicians are painful, which leads to the inability to continue the experiment operation. In addition, it is difficult to manually shear the tissue blocks into small cell clusters, which prolongs the subsequent digestion time and reduces the work efficiency. Therefore, the collection process seriously affects the work efficiency of the experiment, and therefore an umbilical cord tissue shears needs to be improved to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an umbilical cord tissue shears to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an umbilical cord tissue shears, comprising a fixed frame and an outer cylinder, a mounting plate is fixedly installed on the inner side of the fixed frame, a fixed cylinder is fixedly installed at the bottom of the mounting plate, a mounting block is fixedly installed on the outer side of the fixed cylinder, a mounting mechanism is arranged in the inner side of the outer cylinder, a cutting mechanism is arranged in the inner side of the fixed cylinder, a discharge pipe is fixedly installed on the outer side of the outer cylinder, a control valve is arranged on the outer side of the discharge pipe, an electric telescopic rod is fixedly installed in the inner side of the fixed frame, a support plate is fixedly installed on the output end of the electric telescopic rod, and the support plate supports the bottom of the outer cylinder, so that the cutting process is further stable.

[0006] Preferably, the mounting mechanism comprises a threaded cylinder, the threaded cylinder is fixedly installed at the top of the outer cylinder, the mounting block is fixedly installed on the left side of the fixed frame, four springs are fixedly installed in the inner side of the outer cylinder, a circular ring is fixedly installed at the end of the four springs away from the outer cylinder, a pressing plate is fixedly installed on the outer side of the circular ring, two insertion columns are fixedly installed at the top of the pressing plate, and a filter cylinder is arranged in the inner side of the outer cylinder, and the umbilical cord fragments meeting the size requirement fall through the leakage hole of the filter cylinder and are collected in the inner side of the outer cylinder.

[0007] Preferably, the filter cartridge bottom is spaced from the inner side of the outer cylinder bottom, the fixed cylinder is provided with a insertion hole at the corresponding position of the two insertion columns, and the insertion column is inserted into the insertion hole, avoiding the axial force from driving the filter cartridge to rotate when cutting the umbilical cord tissue, so that the rotation of the outer cylinder causes the loosening of the connection between the threaded cylinder and the fixed cylinder.

[0008] Preferably, the insertion column is slidingly installed in the inner side of the outer cylinder, the pressing plate and the circular ring are both slidingly installed in the inner side of the outer cylinder, the threaded cylinder is threadedly installed in the inner side of the outer cylinder, the support plate is arranged at the bottom of the outer cylinder, and the support plate supports the bottom of the outer cylinder, so that the cutting process is further stable.

[0009] Preferably, the cutting mechanism comprises a motor, the motor is fixedly installed in the inner side of the mounting plate, the output end of the motor is fixedly installed with a rotating shaft, the bottom of the mounting plate is provided with a rectangular block, the inner side of the rectangular block is rotatably installed with a rotating column, the top of the rotating column is fixedly installed with an insertion block, the outer side of the rotating column is fixedly installed with four scrapers, and the outer side of the rotating column is provided with a cutting knife for cutting the umbilical cord tissue.

[0010] Preferably, the cutting knife is arranged in the inner side of the filter cylinder, and the scraper is movably installed in the inner side of the filter cylinder, so as to avoid the problem that the fragments are not completely cut due to accumulation at the bottom of the filter cylinder.

[0011] Preferably, the insertion block is inserted into the inner side of the rotating shaft, so that the insertion block drives the rotating column to rotate.

[0012] Compared with the prior art, the umbilical cord tissue cutter has the following advantages:

[0013] 1. The umbilical cord tissue cutter is installed by the threaded cylinder, the spring drives the circular ring to move upwards, the insertion column is inserted into the inner side of the outer cylinder, the axial force is avoided from driving the filter cylinder to rotate when cutting the umbilical cord tissue, so that the rotation of the outer cylinder causes the loosening of the connection between the threaded cylinder and the fixed cylinder, the installation of the outer cylinder is more firm, and the use is more stable.

[0014] 2. On this basis, the insertion block is inserted into the rotating shaft, the cutting knife is rotated to cut the umbilical cord tissue, the cutting of the umbilical cord tissue is more rapid and convenient, and the sealing cutting avoids pollution.

[0015] 3. On this basis, the scraper avoids the accumulation of fragments at the bottom of the filter cylinder, the qualified umbilical cord fragments fall into the outer cylinder through the leakage hole of the filter cylinder, so that each fragment meets the requirements, is convenient for subsequent contact with digestive enzymes for digestion, and the cutting knife can be disassembled and replaced when the sharpness is insufficient. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0017] Figure 1 It is a schematic diagram of the appearance structure of the present application.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the present application.

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the outer cylinder and the connected mechanism of the present application.

[0020] Figure 4 It is a schematic diagram of the structure of the ring and the connected mechanism of the present application.

[0021] Figure 5 It is a schematic diagram of the cross-sectional exploded structure of the cutting mechanism of the present application.

[0022] In the figure: 1, fixed frame; 2, outer cylinder; 3, mounting plate; 4, fixed cylinder; 5, mounting block; 6, mounting mechanism; 61, threaded cylinder; 62, spring; 63, ring; 64, pressing plate; 65, insertion column; 66, filter cylinder; 7, cutting mechanism; 71, motor; 72, rotating shaft; 73, rectangular block; 74, rotating column; 75, insertion block; 76, scraper; 77, cutting knife; 8, discharge pipe; 9, control valve; 10, electric telescopic rod; 11, support plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment one:

[0026] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of umbilical cord tissue shear, including fixed frame 1 and outer tube 2, the inside of fixed frame 1 is fixedly installed with mounting plate 3, the bottom of mounting plate 3 is fixedly installed with fixed cylinder 4, the outside of fixed cylinder 4 is fixedly installed with mounting block 5, the inside of outer tube 2 is provided with mounting mechanism 6, the inside of fixed cylinder 4 is provided with cutting mechanism 7, the outside of outer tube 2 is fixedly installed with discharge pipe 8, the outside of discharge pipe 8 is provided with control valve 9, the inside of fixed frame 1 is fixedly installed with electric telescopic handle 10, the output end of electric telescopic handle 10 is fixedly installed with support plate 11, support plate 11 supports the bottom of outer tube 2, so that cutting process is further stable.

[0027] Further, mounting mechanism 6 includes threaded cylinder 61, threaded cylinder 61 is fixedly installed at the top of outer tube 2, mounting block 5 left side is fixedly installed with fixed frame 1, the inside of outer tube 2 is fixedly installed with four springs 62, the end away from the outside of four springs 62 is fixedly installed with ring 63, the outside of ring 63 is fixedly installed with pressing plate 64, the top of pressing plate 64 is fixedly installed with two insertion columns 65, the inside of outer tube 2 is provided with filter cylinder 66, and the umbilical cord pieces meeting size requirement fall to the inside of outer tube 2 for collection via the leakage hole of filter cylinder 66.

[0028] Further, the bottom of filter cylinder 66 and the inside of outer tube 2 bottom exist spacing, fixed cylinder 4 and the corresponding position of two insertion columns 65 are provided with insertion hole, and insertion column 65 is inserted in insertion hole, avoid the axial force when cutting umbilical cord tissue drives filter cylinder 66 to rotate, so that the problem that outer tube 2 rotates causes threaded cylinder 61 and fixed cylinder 4 connection slack.

[0029] Further, insertion column 65 is slidably installed in the inside of outer tube 2, pressing plate 64 and ring 63 are slidably installed in the inside of outer tube 2, threaded cylinder 61 is threadedly installed in the inside of outer tube 2, support plate 11 is arranged at the bottom of outer tube 2, support plate 11 supports the bottom of outer tube 2, so that cutting process is further stable.

[0030] Embodiment two:

[0031] Please refer to Figure 5 And in combination with embodiment one, further obtain, cutting mechanism 7 includes motor 71, motor 71 is fixedly installed in the inside of mounting plate 3, the output end of motor 71 is fixedly installed with rotating shaft 72, the bottom of mounting plate 3 is provided with rectangular block 73, rotating column 74 is rotatably installed in the inside of rectangular block 73, the top of rotating column 74 is fixedly installed with insertion block 75, four scrapers 76 are fixedly installed on the outside of rotating column 74, rotating column 74 is provided with cutting knife 77, and umbilical cord tissue is cut.

[0032] Further, the cutting knife 77 is arranged inside the filter cylinder 66, and the scraper 76 is movably arranged on the inner side of the filter cylinder 66, so as to avoid the problem that the fragments are accumulated on the bottom of the filter cylinder 66 and the cutting is incomplete.

[0033] Further, the plug 75 is inserted into the inner side of the rotating shaft 72, so that the plug 75 drives the rotating column 74 to rotate.

[0034] In actual operation, when the device is used, the umbilical cord tissue is placed in the filter cylinder 66 inside the outer cylinder 2, the pressing plate 64 is pressed to drive the ring 63 to move downwards, so that the spring 62 is compressed, the spring 62 is initially in a stretched state, the plug column 65 is retracted into the inner side of the outer cylinder 2, the threaded cylinder 61 is screwed into the inner side of the fixed cylinder 4, when the top of the outer cylinder 2 contacts the bottom of the fixed cylinder 4, the pressing plate 64 is released, at this time, the spring 62 drives the ring 63 to move upwards, so that the plug column 65 is inserted into the inner side of the outer cylinder 2, avoiding the problem that the axial force drives the filter cylinder 66 to rotate when the umbilical cord tissue is cut, so that the outer cylinder 2 rotates to cause the threaded cylinder 61 and the fixed cylinder 4 to be loose, the installation of the outer cylinder 2 is more firm, and the device is more stable during use, the electric telescopic rod 10 is started to drive the supporting plate 11 to move upwards, so that the supporting plate 11 supports the bottom of the outer cylinder 2, and the cutting process is further stabilized, the motor 71 is started to drive the rotating shaft 72 to rotate, the plug 75 is inserted into the inner side of the rotating shaft 72, so that the plug 75 drives the rotating column 74 to rotate, so that the cutting knife 77 cuts the umbilical cord tissue, the cutting of the umbilical cord tissue is more rapid and convenient, and the cutting is sealed to avoid pollution, the scraper 76 is movably arranged on the inner side of the filter cylinder 66, so as to avoid the problem that the fragments are accumulated on the bottom of the filter cylinder 66 and the cutting is incomplete, the umbilical cord fragments meeting the size requirement fall into the inner side of the outer cylinder 2 through the leakage hole of the filter cylinder 66, and the larger fragments are continuously cut, so that each fragment meets the requirement, and is convenient for subsequent contact with digestive enzymes for digestion, the collection rate is improved, and the rectangular block 73 is installed through bolts, and can be disassembled and replaced when the sharpness of the cutting knife 77 is insufficient.

[0035] It should be noted that, in the present text, the relational terms such as first and second and the like are used merely to differentiate one entity or action from another, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the statement "comprising a means" does not exclude the existence of additional identical elements in the process, method, article, or apparatus including the stated element.

Claims

1. An umbilical cord tissue cutter comprising a fixed frame (1) and an outer cylinder (2), characterized in that: The inner side of the fixing frame (1) is fixedly installed with a mounting plate (3), the bottom of the mounting plate (3) is fixedly installed with a fixed cylinder (4), the outside of the fixed cylinder (4) is fixedly installed with a mounting block (5), the inside of the outer cylinder (2) is provided with a mounting mechanism (6), the inside of the fixed cylinder (4) is provided with a cutting mechanism (7), the outside of the outer cylinder (2) is fixedly installed with a discharge pipe (8), the outside of the discharge pipe (8) is provided with a control valve (9), the inside of the fixing frame (1) is fixedly installed with an electric telescopic rod (10), and the output end of the electric telescopic rod (10) is fixedly installed with a supporting plate (11).

2. The umbilical tissue cutter of claim 1, wherein: The mounting mechanism (6) comprises a threaded cylinder (61) fixedly installed at the top of the outer cylinder (2), the mounting block (5) is fixedly installed on the left side of the fixing frame (1), four springs (62) are fixedly installed in the inner side of the outer cylinder (2), the ends of the four springs (62) away from the outer cylinder (2) are fixedly installed with a circular ring (63), the outer side of the circular ring (63) is fixedly installed with a pressing plate (64), the top of the pressing plate (64) is fixedly installed with two insertion columns (65), and the inner side of the outer cylinder (2) is provided with a filter cylinder (66).

3. The umbilical tissue cutter of claim 2, wherein: The bottom of the filter cylinder (66) is spaced from the bottom of the outer cylinder (2), the fixed cylinder (4) is provided with insertion holes at corresponding positions of the two insertion columns (65), and the insertion columns (65) are inserted into the insertion holes.

4. The umbilical tissue cutter of claim 2, wherein: The insertion columns (65) are slidingly installed in the inner side of the outer cylinder (2), the pressing plate (64) and the circular ring (63) are slidingly installed in the inner side of the outer cylinder (2), the threaded cylinder (61) is threadedly installed in the inner side of the outer cylinder (2), and the supporting plate (11) is arranged at the bottom of the outer cylinder (2).

5. The umbilical tissue cutter of claim 2, wherein: The cutting mechanism (7) comprises a motor (71) fixedly installed in the inner side of the mounting plate (3), the output end of the motor (71) is fixedly installed with a rotating shaft (72), the bottom of the mounting plate (3) is provided with a rectangular block (73), the inner side of the rectangular block (73) is rotatably installed with a rotating column (74), the top of the rotating column (74) is fixedly installed with an insertion block (75), the outer side of the rotating column (74) is fixedly installed with four scraping plates (76), and the outer side of the rotating column (74) is provided with a cutting knife (77).

6. The umbilical tissue cutter of claim 5, wherein: The cutting knife (77) is arranged in the inner side of the filter cylinder (66), and the scraping plates (76) are movably installed in the inner side of the filter cylinder (66).

7. The umbilical tissue cutter of claim 5, wherein: The insertion block (75) is inserted into the inner side of the rotating shaft (72).