CN211639998U

CN211639998U - Umbilical cord mesenchymal stem cell preparation is cut off and is cut

Info

Publication number: CN211639998U
Application number: CN202020077981.0U
Authority: CN
Inventors: 姚玲玲; 罗保君; 孟得龙; 杨苗
Original assignee: Beijing Huanshenghui Biotechnology Research Institute Co Ltd
Current assignee: Beijing Huanshenghui Biotechnology Research Institute Co Ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-10-09
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a scissors is cut in preparation of umbilical cord mesenchymal stem cell, including first scissors handle, fixed block, spring, second scissors handle, rectangle loop bar, threaded rod, rotation handle, screw hole, first scissors blade, axis of rotation, second scissors blade, rectangle protective housing, L shape fixed connection pole, rubber antiskid leather sheath, fixed ring and rubber gasket. The utility model has the advantages that: this device simple structure, low cost can protect second scissors blade and first scissors blade when this device does not use through blade protection architecture, can avoid this device collision to lead to the blade damage on the one hand, and on the other hand also can prevent that relevant personnel from taking to hold and getting when injured.

Description

Umbilical cord mesenchymal stem cell preparation is cut off and is cut

Technical Field

The utility model relates to a cut and cut, specifically a scissors is cut in preparation of umbilical cord mesenchymal stem cell belongs to umbilical cord stem cell preparation and cuts and cut application technical field.

Background

The umbilical cord mesenchymal stem cell is a multifunctional stem cell existing in umbilical cord tissues of newborn, can be differentiated into a plurality of tissue cells, has wide clinical application prospect, can successfully amplify the human umbilical cord mesenchymal stem cell by applying an inactivated umbilical cord serum culture system, has the basic characteristics of the mesenchymal stem cell, and provides theoretical basis for establishing a mesenchymal stem cell bank and clinical application.

When umbilical cord mesenchymal stem cells are prepared, a cutting shear is required to be used, and after the cutting shear is used, the cutting shear may be damaged due to mutual collision of sharp parts of the cutting shear, or related personnel may be injured when the cutting shear is taken and placed. Therefore, the umbilical cord mesenchymal stem cell preparation shear is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a scissors is cut in order to solve above-mentioned problem and provide a preparation of umbilical cord mesenchymal stem cell.

The utility model realizes the above purpose by the following technical proposal, a pair of umbilical cord mesenchymal stem cell preparation shearing shears comprises a first scissor handle, a second scissor handle, a first scissor blade, a second scissor blade and a blade protection structure;

rectangular sleeve rods are sleeved at one ends of the first scissor handle and the second scissor handle in a sliding mode, thread grooves are formed in the side walls of the inner cavities of the two rectangular sleeve rods, one ends of threaded rods are connected with the thread grooves in an internal thread mode, rotating handles are fixedly connected to the other ends of the threaded rods, rotating shafts are fixedly connected to the two rectangular sleeve rods, the two rotating shafts are connected in a rotating mode, and a first scissor blade and a second scissor blade are fixedly connected to the arc-shaped surfaces of the two rotating shafts respectively;

the blade protection structure comprises a rectangular protection shell and L-shaped fixed connecting rods, wherein one end of each L-shaped fixed connecting rod is fixedly connected to the side wall of each rectangular loop bar, and the other end of each L-shaped fixed connecting rod is fixedly connected with the rectangular protection shell.

Preferably, a plurality of equidistant screw holes are all seted up on the lateral wall of second scissors handle and first scissors handle, threaded rod threaded connection is in the screw hole.

Preferably, the two rectangular loop bars are fixedly connected with fixing blocks on the inner side wall, and springs are fixedly connected between the fixing blocks.

Preferably, the tangent plane of rectangle protective housing is the infolding shape, equal fixedly connected with rubber gasket on the both sides inner wall of rectangle protective housing.

Preferably, the rubber anti-skidding leather sleeves are fixedly sleeved on the second scissors handle and the first scissors handle, and a plurality of equidistant anti-skidding grooves are formed in the rubber anti-skidding leather sleeves.

Preferably, one end of the first scissors handle is fixedly connected with a fixed finger ring, and the inner diameter of the fixed finger ring is the same as the size of a little finger of a normal adult.

Preferably, the second scissors blade is provided with a lower groove.

The utility model has the advantages that:

1. this device simple structure, low cost can protect second scissors blade and first scissors blade when this device does not use through blade protection architecture, can avoid this device collision to lead to the blade damage on the one hand, and on the other hand also can prevent that relevant personnel from taking to hold and getting when injured.

2. This device can prevent through rubber anti-skidding leather sheath and the fixed ring on first scissors handle that this device from droing when relevant personnel use, and anti-skidding effect preferred through second scissors handle, first scissors handle respectively with the rectangle loop bar between cup joint length, can adjust the length of first scissors handle and second scissors handle, can be according to relevant personnel's the nimble adjustment of palm size, use more comfortablely, the operation is more stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is the tangent plane structure schematic diagram of the rectangular protective shell of the present invention.

In the figure: 1. first scissors handle, 2, fixed block, 3, spring, 4, second scissors handle, 5, rectangle loop bar, 6, threaded rod, 7, rotation handle, 8, screw hole, 9, first scissors blade, 10, axis of rotation, 11, second scissors blade, 12, rectangle protective housing, 13, L shape fixed link pole, 14, rubber antiskid leather sheath, 15, fixed ring, 16, rubber gasket.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 to 3, an umbilical cord mesenchymal stem cell preparation cutting scissors includes a first scissors handle 1, a second scissors handle 4, a first scissors blade 9, a second scissors blade 11 and a blade protection structure;

one end of each of the first scissor handle 1 and the second scissor handle 4 is sleeved with a rectangular sleeve rod 5 in a sliding mode, the side wall of an inner cavity of each of the two rectangular sleeve rods 5 is provided with a thread groove, one end of a threaded rod 6 is connected with the thread groove in a threaded mode, the other end of the threaded rod 6 is fixedly connected with a rotating handle 7, rotating shafts 10 are fixedly connected to the two rectangular sleeve rods 5, the two rotating shafts 10 are connected in a rotating mode, and the arc-shaped surfaces of the two rotating shafts 10 are fixedly connected with a first scissor blade 9 and a second scissor blade 11 respectively;

the blade protection structure comprises a rectangular protection shell 12 and an L-shaped fixed connecting rod 13, wherein one end of the L-shaped fixed connecting rod 13 is fixedly connected to the side wall of the rectangular loop bar 5, and the other end of the L-shaped fixed connecting rod 13 is fixedly connected with the rectangular protection shell 12.

The side walls of the second scissor handle 4 and the first scissor handle 1 are respectively provided with a plurality of threaded holes 8 with equal intervals, and the threaded rod 6 is in threaded connection with the threaded holes 8; the inner side walls of the two rectangular loop bars 5 are fixedly connected with fixed blocks 2, and a spring 3 is fixedly connected between the two fixed blocks 2; the section of the rectangular protective shell 12 is folded inwards, and rubber gaskets 16 are fixedly connected to the inner walls of the two sides of the rectangular protective shell 12; the second scissor handle 4 and the first scissor handle 1 are fixedly sleeved with rubber anti-skidding leather sleeves 14, and a plurality of equidistant anti-skidding grooves are formed in the rubber anti-skidding leather sleeves 14; one end of the first scissors handle 1 is fixedly connected with a fixed finger ring 15, and the inner diameter of the fixed finger ring 15 is the same as the size of a little finger of a normal adult; the second scissors blade 11 is provided with a lower groove.

When the utility model is used, firstly, a professional related person holds the first scissor handle 1 and the second scissor handle 4 with one hand, the small finger held by the person is inserted into the fixed ring 15, the fixed ring 15 is fastened through the bending of the small finger, the rubber anti-slip leather sheath 14 on the surface of the first scissor handle 1 and the second scissor handle 4 is matched to effectively prevent the device from slipping off when in use, when the worker needs to adjust the length of the first scissor handle 1 and the second scissor handle 4, the threaded rod 6 is screwed out of the threaded hole 8 by rotating the two rotating handles 7, then the first scissor handle 1 and the second scissor handle 4 are stretched to adjust the sleeving distance between the first scissor handle 1 and the rectangular sleeve rod 5 respectively, after the adjustment is finished, the rotating handles 7 are rotated again, the threaded rod 6 is screwed into the threaded hole 8, and then the first scissor handle 1 and the second scissor handle 4 can be fixed, then press first scissors handle 1 and second scissors handle 4 through the staff, drive first scissors blade 9 and second scissors blade 11 through the pressfitting between first scissors handle 1 and the second scissors handle 4 and cut the umbilical cord, this device uses the back-up effect through spring 3 and drives second scissors blade 11 and first scissors blade 9 chucking respectively in the inner chamber of two rectangle protective housings 12, plays the guard action to second scissors blade 11 and first scissors blade 9.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a scissors is cut in umbilical cord mesenchymal stem cell preparation which characterized in that: comprises a first scissor handle (1), a second scissor handle (4), a first scissor blade (9), a second scissor blade (11) and a blade protection structure;

one end of each of the first scissor handle (1) and the second scissor handle (4) is sleeved with a rectangular sleeve rod (5) in a sliding mode, the side wall of an inner cavity of each of the two rectangular sleeve rods (5) is provided with a threaded groove, one end of a threaded rod (6) is connected with the threaded groove in a threaded mode, the other end of the threaded rod (6) is fixedly connected with a rotating handle (7), the two rectangular sleeve rods (5) are fixedly connected with rotating shafts (10), the two rotating shafts (10) are connected in a rotating mode, and arc-shaped surfaces of the two rotating shafts (10) are respectively fixedly connected with a first scissor blade (9) and a second scissor blade (11);

the blade protection structure comprises a rectangular protection shell (12) and L-shaped fixed connecting rods (13), wherein one end of each L-shaped fixed connecting rod (13) is fixedly connected to the side wall of each rectangular loop bar (5), and the other end of each L-shaped fixed connecting rod (13) is fixedly connected with the rectangular protection shell (12).

2. The umbilical cord mesenchymal stem cell preparation cutting scissors according to claim 1, wherein: all seted up threaded hole (8) of a plurality of equidistance on the lateral wall of second scissors handle (4) and first scissors handle (1), threaded rod (6) threaded connection is in threaded hole (8).

3. The umbilical cord mesenchymal stem cell preparation cutting scissors according to claim 1, wherein: two equal fixedly connected with fixed block (2), two on the inboard lateral wall of rectangle loop bar (5) fixedly connected with spring (3) between fixed block (2).

4. The umbilical cord mesenchymal stem cell preparation cutting scissors according to claim 1, wherein: the tangent plane of rectangle protective housing (12) is interior zigzag shape, equal fixedly connected with rubber gasket (16) on the both sides inner wall of rectangle protective housing (12).

5. The umbilical cord mesenchymal stem cell preparation cutting scissors according to claim 1, wherein: all fixed the having cup jointed rubber antiskid leather sheath (14) on second scissors handle (4) and first scissors handle (1), set up the anti-skidding groove of a plurality of equidistance on rubber antiskid leather sheath (14).

6. The umbilical cord mesenchymal stem cell preparation cutting scissors according to claim 1, wherein: one end of the first scissors handle (1) is fixedly connected with a fixed finger ring (15), and the inner diameter of the fixed finger ring (15) is the same as the size of a little finger of a normal adult.

7. The umbilical cord mesenchymal stem cell preparation cutting scissors according to claim 1, wherein: the second scissors blade (11) is provided with a lower groove.