CN213314341U - Dialysis clamp - Google Patents
Dialysis clamp Download PDFInfo
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- CN213314341U CN213314341U CN202022124409.8U CN202022124409U CN213314341U CN 213314341 U CN213314341 U CN 213314341U CN 202022124409 U CN202022124409 U CN 202022124409U CN 213314341 U CN213314341 U CN 213314341U
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- clamping piece
- clamping
- balancing weight
- dialysis
- clamp
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Abstract
The utility model relates to the field of dialysis clamps, in particular to a dialysis clamp, which aims to solve the problem of short service life of the existing dialysis clamp and provides a dialysis clamp, comprising a first clamping piece and a second clamping piece, wherein a clamping opening is arranged on the clamping contact surface of the second clamping piece, a clamping piece corresponding to the clamping opening is arranged on the clamping contact surface of the first clamping piece, the clamping piece is inserted into the clamping opening to form a bag clamp capable of clamping a dialysis bag opening under the clamping state of the first clamping piece and the second clamping piece, a first balancing weight is arranged in the first clamping piece, a second balancing weight is arranged in the second clamping piece, the first balancing weight is positioned at the rear end of the clamping piece, the clamping piece is a flexible clamping piece, a plurality of equally-spaced air columns are arranged in the clamping piece, the air columns and the first clamping piece are in a vertical state, the spacing distance between the two air columns is more than or equal to the diameter of a single air column, the utility model has the characteristics of simple structure, convenient to use, application range are wide and long service life.
Description
Technical Field
The utility model belongs to the technical field of the dialysis clamp and specifically relates to a dialysis clamp.
Background
In the preparation process of biological macromolecules, salts, organic solvents and biological micromolecular impurities in a sample are removed by a dialysis technology. The dialysis bag used in the dialysis process is made by folding a special semipermeable membrane into corresponding bag shapes according to the amount of sample solution, and the bag opening is clamped by a clamp. During dialysis, a biological macromolecular sample solution is firstly placed in a bag, then the bag opening is clamped by a clamp and then the bag opening is immersed in water or buffer solution, biological macromolecules with large molecular weight in the sample solution are intercepted in the bag, and substances such as salt, small molecules and the like can be continuously diffused and dialyzed out of the bag until the concentrations of two sides inside and outside the bag reach balance.
The used dialysis of dialysis at present presss from both sides includes first clamping piece and second clamping piece, the first end swing joint of first clamping piece and second clamping piece, and the second end passes through the mounting to be connected, through the clamping that realizes the sack with the sack of dialysis bag between first clamping piece and the second clamping piece. In order to prevent the dialysis bag from being broken when the dialysis bag is clamped, so that dialysate leaks out, the accuracy of an experiment is easily influenced, meanwhile, the service life of the dialysis bag is shortened, and the flexible layers are arranged on the clamping opening of the first clamping piece and the clamping piece of the second clamping piece to reduce the breakage of the dialysis bag, the design has the problem of short service life, and the problems are specifically shown in that 1, the flexible layers are different from the clamping opening and the clamping piece in material, the flexible layers and the clamping opening can be loosened after frequent use, the clamping effect is influenced, and the flexible layers can be extruded and broken after continuous use; 2. set up the flexible layer simultaneously on centre gripping mouth and the holder, one side is ageing or kick-back weak can be so that the centre gripping effect descends the accuracy that influences the experiment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problem that the service life of the existing dialysis clamp is short, a dialysis clamp is provided.
The utility model provides a technical scheme that its technical problem adopted is: a dialysis clamp comprises a first clamping piece and a second clamping piece, wherein one end of the first clamping piece is movably connected with one end of the second clamping piece, the other end of the first clamping piece is in elastic connection with the other end of the second clamping piece through a fixing piece, a clamping opening is arranged on a clamping contact surface of the second clamping piece, a clamping piece corresponding to the clamping opening is arranged on the clamping contact surface of the first clamping piece, the clamping piece is inserted into the clamping opening to form a bag clamp capable of clamping the mouth of the dialysis bag when the first clamping piece and the second clamping piece are in a clamping state, a first balancing weight is arranged in the first clamping piece, a second balancing weight is arranged in the second clamping piece, the first balancing weight is positioned at the rear end of the clamping piece, the clamping piece is a flexible clamping piece, and the inside has a plurality of equidistance, the gas column of interval setting, gas column and first clamping piece become vertical state, and the interval distance between two gas columns is greater than or equal to the diameter of single gas column.
In order to improve the safety, the first balancing weight is a medical stainless steel block, and the volume of the first balancing weight is smaller than or equal to 1/2 of the volume of the first clamping piece.
In order to balance, the second balancing weight is a medical stainless steel block, and the volume of the second balancing weight is equal to that of the first balancing weight.
To provide sufficient clamping force, the gas column is closed at both ends and has a height greater than or equal to 1/2 of the clamp height.
The utility model has the advantages that the dialysis clamp of the utility model is characterized in that the first clamping piece and the second clamping piece are internally provided with the balancing weights made of medical stainless steel, so that the first design can meet the requirements of immersion test, the second design increases the overall strength of the dialysis clamp, and the third design does not affect the accuracy of the experiment even if the outer layer of the dialysis clamp is broken during use and the balancing weights are exposed; secondly, two layers of flexible layers in the prior art are changed into a single flexible unit, specifically, the clamping piece is designed to be flexible, a plurality of clamping pieces with equal distances are arranged inside the clamping piece, and the air columns are arranged at intervals, the supporting effect of the design is far stronger than that of the flexible layer in the prior art, the service life of the clamping piece is greatly prolonged on the premise of ensuring the clamping effect, meanwhile, the maximum deformation distance of each air column is strictly limited, the design 1 ensures that the testing environment is the same every time, the clamping effect cannot be different due to the difference of artificial locking, the testing deviation is reduced, 2, the service life of the air column is prolonged due to the limitation of the deformation distance, and the air column is not easy to break; to sum up the utility model has the characteristics of simple structure, convenient to use, application range are wide and long service life.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a schematic view of the structure of fig. 1 after opening.
In the figure, the clamping device comprises a first clamping piece 1, a second clamping piece 2, a fixing piece 3, a clamping opening 4, a first balancing weight 5, a second balancing weight 6, a clamping piece 7 and an air column 8.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The dialysis clamp shown in figures 1 and 2 comprises a first clamping piece 1 and a second clamping piece 2, wherein the left end of the first clamping piece 1 is rotatably connected with the left end of the second clamping piece 2 through a hinge, the right end of the first clamping piece 1 is provided with a bulge, the right end of the second clamping piece 2 is provided with a buckle, the bulge and the buckle are matched to form a fixing piece 3, the buckle is buckled on the bulge to clamp the dialysis clamp, a strip-shaped groove is formed in the clamping contact surface of the second clamping piece 2 and is a clamping opening 4, a clamping piece 7 corresponding to the clamping opening 4 is arranged on the clamping contact surface of the first clamping piece 1, the size of the clamping piece 7 is slightly smaller than that of the clamping opening 4, the clamping piece 7 is inserted into the clamping opening 4 to form a bag clamp capable of clamping a dialysis bag opening in a clamping state, a first balancing weight 5 made of a medical stainless steel block is arranged in the first clamping piece 1, the volume of the first clamping piece 1 is smaller than or equal to 1/2 of the volume of the first clamping piece, the overlarge volume of the first balancing weight 5 can cause resource waste and increase the manufacturing cost, the second clamping piece 2 is also internally provided with a second balancing weight 6 made of medical stainless steel blocks, the volume of the second balancing weight 6 is equal to that of the first balancing weight 5, so that the balancing effect is achieved, and the two balancing weights are respectively positioned at the central positions of the first clamping piece 1 and the second clamping piece 2.
The clamping piece 7 is positioned at the front end of the first balancing weight 5, the clamping piece 7 is a flexible clamping piece, 12 air columns 8 which are arranged at equal intervals are arranged in the clamping piece 7, each air column 8 is vertical to the first clamping piece 1, the spacing distance between the two air columns 8 is larger than or equal to the diameter of a single air column 8, the height of each air column 8 is larger than or equal to 1/2 of the height of the clamping piece, the flexible material mainly adopts medical silica gel, other flexible materials can be used, the spacing distance between the two air columns 8 in the figure is equal to the diameter of the single air column 8, the deformation distance of the air column 8 is strictly limited when the air column is deformed under stress and cannot be excessively deformed, the service life of the clamping piece 7 is greatly prolonged on the premise of keeping the clamping effect, two ends of the air column 8 can be sealed independently, namely the air column 8 and the clamping piece 7 are integrated, the clamping piece 7 is spliced or glued on the first clamping piece 1, when in plugging, the first clamping piece 1 is provided with a sliding groove, the clamping piece 7 is provided with an outer edge which can slide into the sliding groove, or as shown in the figure, the bottom of the air column 8 is closed, the top is in an open state, and the clamping piece 7 is glued with the air column to realize the sealing of the top.
When in use, the air column 8 is stressed, extruded and deformed in the clamping state and expands to the periphery, namely expands to the inner wall of the clamping opening 4, thereby ensuring the clamping effect; the dialysis clamp is made of hard materials except that the clamping piece 7 is flexible, such as common hard resin, and compared with the double-layer flexible layer design in the prior art, the dialysis clamp is higher in durability.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a dialysis clamp, including first clamping piece and second clamping piece, the one end of first clamping piece and the one end swing joint of second clamping piece, the other end of first clamping piece passes through the mounting elasticity with the other end of second clamping piece and is connected, be provided with the centre gripping mouth on the centre gripping contact surface of second clamping piece, be provided with the holder that corresponds with the centre gripping mouth on the centre gripping contact surface of first clamping piece, first clamping piece and second clamping piece are under clamping state, the holder inserts the bag clamp that forms the dialysis sack that can clamp in the centre gripping mouth, its characterized in that: the utility model discloses a clamping piece, including first clamping piece, gas column, first balancing weight, second clamping piece, first balancing weight, the built-in first balancing weight that has in the first clamping piece, the built-in second balancing weight that has in the second clamping piece, first balancing weight are located the rear end of clamping piece, the clamping piece is for having flexible clamping piece, and inside has a plurality of equidistance, the gas column that the interval set up, gas column and first clamping piece become vertical state, and the spacing distance between two gas columns is greater than or equal to the diameter of.
2. The dialysis clip of claim 1, wherein: the first balancing weight is a medical stainless steel block, and the volume of the first balancing weight is smaller than or equal to 1/2 of the volume of the first clamping piece.
3. The dialysis clip of claim 1, wherein: the second balancing weight is a medical stainless steel block, and the volume of the second balancing weight is equal to that of the first balancing weight.
4. The dialysis clip of claim 1, wherein: the two ends of the air column are closed, and the height of the air column is greater than or equal to 1/2 of the height of the clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022124409.8U CN213314341U (en) | 2020-09-24 | 2020-09-24 | Dialysis clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022124409.8U CN213314341U (en) | 2020-09-24 | 2020-09-24 | Dialysis clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213314341U true CN213314341U (en) | 2021-06-01 |
Family
ID=76066791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022124409.8U Active CN213314341U (en) | 2020-09-24 | 2020-09-24 | Dialysis clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213314341U (en) |
-
2020
- 2020-09-24 CN CN202022124409.8U patent/CN213314341U/en active Active
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