CN209437759U

CN209437759U - A kind of haemodialysis clamping device

Info

Publication number: CN209437759U
Application number: CN201820236460.8U
Authority: CN
Inventors: 刘中慧; 矫丽丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2019-09-27
Anticipated expiration: 2028-02-09

Abstract

A kind of haemodialysis clamping device described in the utility model, rotation first cursor can also be adjusted, damping when the second cursor: first cursor is pinched with hand, second cursor, then it rotates and sets shaft in described, the external screw thread axis drives the nut body along the limit slideway stepping, adjust the decrement of the compressed spring, and then adjust the lower pressure under the compressed spring normality to the second annulus, and then it adjusts and rotates first annulus, frictional force between second annulus, it is final to adjust the first cursor of rotation, damping when the second cursor.

Description

A kind of haemodialysis clamping device

Technical field

The utility model relates to the field of medical instrument technology, and in particular to a kind of haemodialysis clamping device.

Background technique

As the quality of life that patient is continuously improved in the development increasingly of blood purification technology is asked as what doctors and patients paid close attention to jointly Topic, so that haemodialysis joint blood perfusion (HD+HP) has become the most combined artificial kidney treatment of current clinical application Method.But it is carried out in HD+HP treatment operation at present, because only having consolidating for a fixed dialyzer on the haemodialysis control unit of all brands Clamp causes blood perfusion device nowhere to fix.General fixing clamp needs to take repeatedly in exhaust process without rotation function Lower dialyzer and perfusion device, and need upright fixed link as fulcrum, rather than all hemodialysis machines have it is upright Fixed link and be not available.It is fixed as Chinese patent CN20152016770 .5 discloses a kind of haemodialysis joint blood perfusion Folder, including central arcuate column, center fixed column, left flexible handle and right flexible handle, the upper end connection center of central arcuate column Fixed column, left flexible handle, right flexible handle top relative to central arcuate column axisymmetrical be connected to central arcuate The top of column, left flexible handle, right flexible handle form clip, left flexible handle and right flexible handle with central arcuate column respectively For elastic slice.

So far clinically there are no the fixation devices that can be promoted the use of, therefore most of clinically blood perfusion devices are to pass through Arm-rest belt is bundled on dialyzer, but repeated multiple times in order to drain the needs of the liquid in dialyzer and perfusion device during pre- punching It removes and bundlees arm-rest belt again, cumbersome increase workload and over the course for the treatment of presence are not fixed firmly, and have the wind fallen The serious medical nursing safety thing for collapsing pipe and solidifying pipe is brought once sliding and blood vessel discounting being caused to will cause bloody path pressure and increase in danger Therefore great security risk is brought to patient.

Utility model content

In order to solve the technical problems in background technology, the utility model provides a kind of haemodialysis clamping dress It sets, provides two kinds and mode is plugged and fixed；A kind of haemodialysis clamping device described in the utility model passes through the first folder Arm, the second clamp arm clamp haemodialysis equipment and hemoperfusion apparatus respectively, can also adjust first cursor, second turn Angle between swing arm；Damping when rotating first cursor, the second cursor can also be adjusted.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of haemodialysis clamping device, including in set shaft, the first cursor, the second cursor, adjusting nut, pressure Contracting spring；

Shaft is set in described includes:

External screw thread axis, external screw thread axis upper surface are equipped with spliced eye, and external screw thread axis lower end surface is equipped with grafting axis；

Annular convex edge, the annular convex edge are located at the external screw thread axis outer wall lower edge；

First cursor includes:

First annulus, first circle ring inner wall are equipped with to the annular groove that is installed with the annular convex edge, and described first Annulus upper surface is circumferentially evenly equipped with the first anti-skid chequer；

First clamp arm is located on first annulus；

Second cursor includes:

Second annulus is rotatably set on the external screw thread axis, and second annulus lower end surface is circumferentially evenly equipped with Two anti-skid chequers；

Outer cylinder is limited, is located above second annulus outer, the limit outer tube inner wall is also circumferentially evenly equipped with along its axis To the limit slideway of setting；

Second clamp arm is located on the limit outer cylinder；

The adjusting nut includes:

Nut body is screwed above the external screw thread axis, is located in the limit outer cylinder；

Plush copper is limited, is located on the nut body, is corresponded with the limit slideway and mating；

On the external screw thread axis, the compressed spring upper end is abutted with the nut body for the compressed spring solderless wrapped connection, The compressed spring lower end is abutted with second annulus.

Further, the spliced eye is from top to bottom stepped narrows.

Further, the grafting axis is from top to bottom stepped narrows.

The utility model has the beneficial effects that

A kind of haemodialysis clamping device described in the utility model, provides two kinds and mode is plugged and fixed:

Shaft is set in described can be plugged and fixed by the fixing axle of spliced eye and different thicknesses, can also pass through grafting axis It is plugged and fixed with the fixation hole of different thicknesses.

A kind of haemodialysis clamping device described in the utility model, is clamped respectively by the first clamp arm, the second clamp arm Haemodialysis equipment and hemoperfusion apparatus can also adjust the angle between first cursor, the second cursor.

A kind of haemodialysis clamping device described in the utility model, can also adjust rotation first cursor, Damping when the second cursor:

First cursor, the second cursor are pinched with hand, then rotates and sets shaft in described, the external screw thread axis drives It moves the nut body and adjusts the decrement of the compressed spring along the limit slideway stepping, and then adjust the compression bullet To the lower pressure of the second annulus under spring normality, and then the frictional force rotated between first annulus, the second annulus is adjusted, finally Adjust damping when rotation the first cursor, the second cursor.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a kind of fixed cross-sectional view of embodiment of device of the haemodialysis.

Fig. 2 is a kind of fixed front view of embodiment of device of the haemodialysis.

In figure:

1. shaft, 11. external screw thread axis, 11a. spliced eye, 11b. grafting axis, 12. annular convex edges are set in；

2. the first cursor, 21. first annulus, 21a. annular groove, 22. first clamp arm;

3. the second cursor, 31. second annulus, 32. limit outer cylinders, 32a. limit slideway, 33. second clamp arm;

4. adjusting nut, 41. nut bodies, 42. limit plush coppers;

5. compressed spring.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of haemodialysis clamping device, including in set shaft 1, the first cursor 2, the second cursor 3, adjusting nut 4, compressed spring 5；

Shaft 1 is set in described includes:

External screw thread axis 11,11 upper surface of external screw thread axis are equipped with spliced eye 11a, and 11 lower end surface of external screw thread axis is equipped with Grafting axis 11b；

Annular convex edge 12, the annular convex edge 12 are located at the 11 outer wall lower edge of external screw thread axis；

First cursor 2 includes:

First annulus 21,21 inner wall of the first annulus are equipped with the annular groove 21a to be installed with the annular convex edge 12, First annulus, 21 upper surface is circumferentially evenly equipped with the first anti-skid chequer；

First clamp arm 22 is located on first annulus 21；

Second cursor 3 includes:

Second annulus 31 is rotatably set on the external screw thread axis 11, and 31 lower end surface of the second annulus is circumferentially equal It is furnished with the second anti-skid chequer；

Outer cylinder 32 is limited, is located above 31 outer of the second annulus, 32 inner wall of limit outer cylinder is also circumferentially evenly equipped with The limit slideway 32a being axially arranged along it；

Second clamp arm 33 is located on the limit outer cylinder 32；

The adjusting nut 4 includes:

Nut body 41 is screwed onto 11 top of external screw thread axis, is located in the limit outer cylinder 32；

Plush copper 42 is limited, is located on the nut body 41, is corresponded with the limit slideway 32a and mating；

5 solderless wrapped connection of compressed spring is on the external screw thread axis 11,5 upper end of compressed spring and the nut body 41 It abuts, 5 lower end of compressed spring is abutted with second annulus 31.

Further, the spliced eye 11a is from top to bottom stepped narrows.

Further, the grafting axis 11b is from top to bottom stepped narrows.

Specifically used method:

Shaft 1 is set in described can be plugged and fixed by the fixing axle of spliced eye 11a and different thicknesses, can also be by inserting Spindle 11b and the fixation hole of different thicknesses are plugged and fixed.

A kind of haemodialysis clamping device described in the utility model is distinguished by the first clamp arm 22, the second clamp arm 33 Haemodialysis equipment and hemoperfusion apparatus are clamped, the angle between first cursor 2, the second cursor 3 can also be adjusted Degree:

First cursor 2, the second cursor 3 are relatively rotated, so that first annulus 21, the second annulus 31 overcome Frictional force between first anti-skid chequer, the second anti-skid chequer and rotate.

A kind of haemodialysis clamping device described in the utility model, can also adjust rotation first cursor 2, Damping when the second cursor 3:

First cursor 2, the second cursor 3 are pinched with hand, then rotates in described and sets shaft 1, the external screw thread Axis 11 drives the nut body 41 along the limit slideway 32a stepping, adjusts the decrement of the compressed spring 5, and then adjusts The lower pressure under 5 normality of compressed spring to the second annulus 31 is saved, and then adjusts and rotates first annulus 21, the second annulus Frictional force between 31, the final damping adjusted when rotating the first cursor 2, the second cursor 3.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims

1. a kind of haemodialysis clamping device, it is characterised in that: set shaft (1), the first cursor (2), second turn including in Swing arm (3), adjusting nut (4), compressed spring (5)；

Shaft (1) is set in described includes:

External screw thread axis (11), external screw thread axis (11) upper surface are equipped with spliced eye (11a), external screw thread axis (11) lower end surface Equipped with grafting axis (11b)；

Annular convex edge (12), the annular convex edge (12) are located at external screw thread axis (11) the outer wall lower edge；

First cursor (2) includes:

First annulus (21), the first annulus (21) inner wall are equipped with the annular groove to be installed with the annular convex edge (12) (21a), the first annulus (21) upper surface are circumferentially evenly equipped with the first anti-skid chequer；

First clamp arm (22) is located on first annulus (21)；

Second cursor (3) includes:

Second annulus (31) is rotatably set on the external screw thread axis (11), and the second annulus (31) lower end surface is circumferential It is evenly equipped with the second anti-skid chequer；

It limits outer cylinder (32), is located above the second annulus (31) outer, limit outer cylinder (32) inner wall is also circumferentially uniformly distributed There is the limit slideway (32a) being axially arranged along it；

Second clamp arm (33) is located on the limit outer cylinder (32)；

The adjusting nut (4) includes:

Nut body (41) is screwed above the external screw thread axis (11), is located in the limit outer cylinder (32)；

It limits plush copper (42), is located on the nut body (41), corresponded with the limit slideway (32a) and grafting is matched It closes；

Compressed spring (5) solderless wrapped connection is on the external screw thread axis (11), compressed spring (5) upper end and the nut body (41) it abuts, compressed spring (5) lower end is abutted with second annulus (31).

2. a kind of haemodialysis clamping device according to claim 1, it is characterised in that: the spliced eye (11a) by It is stepped under above to narrow.

3. a kind of haemodialysis clamping device according to claim 1 or 2, it is characterised in that: the grafting axis (11b) It is from top to bottom stepped to narrow.