CN216877392U - Dialyzer clamp and CRRT (continuous reverse osmosis) equipment - Google Patents

Abstract

The utility model discloses a dialyzer clamp which comprises an installation part, a fixed clamp arm, a movable clamp arm, a pushing part and a fixed seat, wherein the fixed clamp arm is installed at one end of the installation part, and the movable clamp arm is matched with the fixed clamp arm and can rotate relative to the fixed clamp arm; the fixed seat is arranged at the other end of the mounting part and is in sliding fit with the pushing part, and an elastic device is arranged in an inner cavity between the pushing part and the fixed seat so as to push the pushing part to abut against the outer side of the movable clamping arm to push the movable clamping arm to rotate towards the fixed clamping arm; the mounting portion is arranged in parallel with the pushing member. The mounting part and the pushing piece are arranged in parallel, so that the size of the pushing piece can be effectively reduced, and the whole structure is compact. To sum up, this cerini dialyser cerini presss from both sides can solve present cerini dialyser cerini effectively and press from both sides the not good problem of equipment effect. The utility model also discloses CRRT equipment comprising the dialyzer clamp.

Description

Dialyzer clamp and CRRT (continuous reverse osmosis) equipment

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a dialyzer clamp and a CRRT (continuous temperature measuring) device comprising the dialyzer clamp.

Background

CRRT devices (continuous blood purification devices) employ blood purification therapy that performs body fluid supplementation for a long time and slowly to improve symptoms, in order to replace kidney functions. The water and solute in blood are removed by using various dialyzers based on three removal principles of osmosis, filtration and adsorption to adjust the balance of electrolytes. The CRRT apparatus is divided into two cyclic parts: extracorporeal circulation (blood circulation), replacement circulation (filtration circulation). After the toxic substances are removed by the dialyzer, the cleaned blood is returned to the patient.

At present cerini dialyser cerini on the market CRRT equipment is mostly fixed through the centre gripping of cerini dialyser cerini fixed arm lock, and the basic requirement to fixed arm lock is that the centre gripping is stable not drop and do not damage the cerini dialyser cerini. The fixed arm lock of cerini dialyser cerini is of a great variety, and some utilize simple and easy ordinary hardware to connect, but the angle of opening and shutting is limited, and can rotate the angle limited, and not flexible enough, some adopted all metal material to make, the structure is complicated and weight is big, and the portability is not enough. This kind of cerini dialyser cerini fixed arm lock is generally to fixing the design at the other CRRT of sick bed, can't satisfy the outdoor or portable CRRT's under the mobile state demand, and portable CRRT requires that the fixed arm lock of cerini dialyser cerini can convenient operation, can stably hold all kinds of cerini dialysers, and realizes lightweight and portability. The existing dialyzer fixing clamp arm mainly has the following defects: the dialyzer fixing clamping arm is made of all metal, has various functions, is complex in structure and is difficult to disassemble and maintain.

In summary, how to effectively solve the problem of poor assembling effect of the dialyzer clamp at present is a problem which needs to be solved urgently by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of the above, a first object of the present invention is to provide a dialyzer clip which can effectively solve the problem of poor assembling effect of the existing dialyzer clip, and a second object of the present invention is to provide a CRRT device comprising the dialyzer clip.

In order to achieve the first object, the present invention provides the following technical solutions:

a dialyzer clamp comprises a mounting part, a fixed clamp arm, a movable clamp arm, a pushing part and a fixed seat, wherein the fixed clamp arm is mounted at one end of the mounting part, and the movable clamp arm is matched with the fixed clamp arm and can rotate relative to the fixed clamp arm; the fixed seat is arranged at the other end of the mounting part and is in sliding fit with the pushing part, and an elastic device is arranged in an inner cavity between the pushing part and the fixed seat so as to push the pushing part to abut against the outer side of the movable clamping arm to push the movable clamping arm to rotate towards the fixed clamping arm; the mounting portion is arranged in parallel with the pushing member.

In the dialyzer clamp, when the dialyzer clamp is assembled, the movable clamp arm and the fixed clamp arm can be installed firstly, or the pushing part can be installed firstly, when the pushing part is installed, the elastic device is installed firstly, and then the pushing part and the fixed seat are enabled to complete the inserting and connecting action, so that the whole installation is very convenient. And the installation part and the pushing piece are arranged in parallel, so that the size of the pushing piece can be effectively reduced, and the installation part and the pushing piece are arranged in parallel without changing the transverse size because the transverse sizes of the movable clamping arm and the fixed clamping arm are larger, so that the integral structure is compact. And the elastic device is encapsulated, so that the corrosion of external liquid to the elastic device is avoided, and the service life of the whole body is further ensured. To sum up, this cerini dialyser cerini presss from both sides can solve present cerini dialyser cerini effectively and press from both sides the not good problem of equipment effect.

Preferably, the fixing seat includes a mounting cylinder, the pushing element is inserted into the mounting cylinder and is in sliding fit with the mounting cylinder, the elastic device is located in the mounting cylinder and abuts against the bottom of the mounting cylinder, and the end of the pushing element has a positioning column inserted into the inner hole of the elastic device and abuts against the elastic device along the sliding direction.

Preferably, the movable clamping arm abuts against the pushing piece through an arc surface

Preferably, one side of the mounting part, which is far away from the pushing part, is provided with an integrated elastic clamp, and two clamping arms of the integrated elastic clamp are in an S shape.

Preferably, the mounting portion is a plate, and the pushing member and the integral elastic clip are respectively arranged on two sides of the plate in the thickness direction.

Preferably, installation department one end has and erects to locate the engaging lug that the installation department set up, be provided with the mounting flange on the fixing base, the mounting flange with the face of installation department offsets, just the mounting flange with connect through the bolt between the engaging lug.

Preferably, still include connecting portion, connecting portion with the installation department or rotate through the damping pivot between the fixing base and be connected.

Preferably, two ends of the damping rotating shaft are respectively inserted into the connecting part and the fixed seat; the quick-release connector further comprises an adapter, wherein the adapter is connected with the connecting part in an inserting mode, and the quick-release pin arranged in a penetrating mode in the radial direction prevents the quick-release connector from being separated from the connecting part in the inserting direction.

Preferably, the direction of the nip between the fixed clamping arm and the movable clamping arm is perpendicular to or consistent with the extending direction of the pushing piece.

In order to achieve the second object, the utility model also provides a CRRT device comprising any of the dialyzer holders described above. Since the above-described dialyzer clip has the above-described technical effects, a CRRT apparatus having the dialyzer clip should also have corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.

FIG. 1 is a schematic structural diagram of a dialyzer clamp provided by an embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded structure of the dialyzer clamp in FIG. 1;

FIG. 3 is a schematic view of the dialyzer clamp of FIG. 1 in an applied state;

figure 4 is a schematic structural view of another dialyzer clamp provided by the embodiment of the present invention;

fig. 5 is a schematic structural view of the dialyzer clamp in fig. 4 in an applied state.

The drawings are numbered as follows:

decide arm 1, move arm 2, integrative elastic clamp 3, impeller 4, fixing base 5, connecting portion 6, adapter 7, damping pivot 8, resilient means 9, pivot 10, quick-release pin 11, installation department 12, cerini dialyser cerini 13, first silica gel cover 101, second silica gel cover 301.

Detailed Description

The embodiment of the utility model discloses a dialyzer clamp, which effectively solves the problem that the assembly effect of the existing dialyzer clamp is not good.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, fig. 1 is a schematic structural diagram of a dialyzer clamp according to an embodiment of the present invention; FIG. 2 is a schematic diagram of an exploded structure of the dialyzer clamp in FIG. 1; FIG. 3 is a schematic view of the dialyzer clamp of FIG. 1 in an applied state; FIG. 4 is a schematic structural diagram of another dialyzer clamp provided by the embodiment of the present invention; fig. 5 is a schematic structural view of the dialyzer holder of fig. 4 in an applied state.

In an embodiment, the present embodiment provides a dialyzer clamp, which can be applied to a CRRT apparatus and a general blood purification apparatus, and specifically, the dialyzer clamp includes a mounting portion 12, a fixed clamp arm 1, a movable clamp arm 2, a pushing member 4, and a fixing base 5.

The fixed clamping arm 1 is arranged at one end of the mounting part 12, and the movable clamping arm 2 is matched with the fixed clamping arm 1 to form a clamping assembly so as to be capable of clamping a rod piece, namely a dialyzer 13. And move arm lock 2 and can be relative decide arm lock 1 and rotate to make move the arm lock 2 and decide the distance between arm lock 1 and can increase, reduce, in order when increasing, open whole clamping component, and when closing, close whole clamping component.

Wherein the fixing seat 5 is arranged at the other end of the mounting part 12, and the fixing seat 5 is in sliding fit with the pushing part 4. And an elastic device 9 is arranged in an inner cavity between the pushing part 4 and the fixed seat 5 so as to push the pushing part 4 to abut against the outer side of the movable clamping arm 2 to push the movable clamping arm 2 to rotate towards the fixed clamping arm 1, so that the clamping assembly has a clamping tendency. Wherein the fixed seat 5 and the fixed clamping arm 1 are respectively arranged at two ends of the mounting part 12, so that the staggered arrangement is realized, and the whole structure is compact. Wherein be provided with resilient means 9 in the inner chamber between impeller 4 and fixing base 5 to make resilient means 9 encapsulate between impeller 4 and fixing base 5, wherein: the pushing member 4 can be inserted into the fixing seat 5, and the elastic device 9 is located in the fixing seat 5; it is possible that the holder 5 is inserted into the pusher 4, while the elastic means 9 are located in the pusher 4. Wherein the elastic means 9 may be a compression spring or a compression elastic body, such as a compression rubber body. The fixed seat 5 is in sliding fit with the pushing part 4, and mainly is in size fit through the hole and the column so as to achieve sliding fit, if the fixed seat 5 is inserted into the pushing part 4, the size and the shape of the cross section of the inserted part of the fixed seat 5 are equal to those of the cross section of the inner hole of the pushing part 4, so that the sliding fit can be achieved.

Wherein installation department 12 sets up with impeller 4 side by side to make impeller 4 set up in the horizontal one side of installation department 12, with the better horizontal space that utilizes dynamic arm lock 2 and decide arm lock 1 department, on the basis of not expanding horizontal occupation space, greatly increased the convenience of installation.

In the dialyzer clamp, when the dialyzer clamp is assembled, the movable clamping arm 2 and the fixed clamping arm 1 can be installed firstly, or the pushing part 4 can be installed firstly, when the pushing part 4 is installed, the elastic device 9 is installed firstly, and then the pushing part 4 and the fixed seat 5 are enabled to complete the inserting and connecting action, so that the whole installation is very convenient. And make installation department 12 among them and impeller 4 set up side by side, can reduce the size of impeller 4 effectively, and because the lateral dimension of movable arm lock 2 and fixed arm lock 1 department is great, so installation department 12 and impeller 4 set up side by side does not change the lateral dimension, still make overall structure compact. And the elastic device 9 is encapsulated, so that the corrosion of external liquid to the elastic device 9 is avoided, and the service life of the whole body is further ensured. To sum up, this cerini dialyser cerini presss from both sides can solve present cerini dialyser cerini effectively and press from both sides the not good problem of equipment effect.

Furthermore, in order to facilitate the installation of the pushing element 4 and the fixing seat 5, it is preferable here that the fixing seat 5 includes a mounting cylinder, the pushing element 4 is inserted into the mounting cylinder and is in sliding fit with the mounting cylinder, the elastic device 9 is located in the mounting cylinder and abuts against the cylinder bottom of the mounting cylinder, and an end of the pushing element 4 has a positioning column portion inserted into an inner hole of the elastic device 9 and abuts against the elastic device 9 along a sliding direction. Specifically, the pushing member 4 has a pushing column part, the pushing column part is matched with the inner hole of the installation cylinder and preferably circular, the end of the pushing column part inserted into the installation cylinder is provided with the positioning column part, the positioning column part is matched with the inner hole of the elastic device 9 to guide the elastic device 9, and two ends of the elastic device 9 are respectively abutted to the bottom of the inner hole of the installation cylinder and the end surface of the pushing column part.

Further, in order to achieve better pushing effect, it is preferable that the movable clamping arm 2 abuts against the pushing part 4 through an arc surface, so that when the movable clamping arm 2 rotates, the pushing part 4 can be better pushed to move through the arc surface, and the internal elastic device 9 is compressed and deformed. Certainly, the arc surface should not be the arc surface coaxial with the rotating shaft 10 of the movable clamping arm 2, so as to avoid the situation that the movable clamping arm 2 rotates and cannot push the pushing member 4 to slide.

Further, in order to facilitate clamping other components, it is preferable that the side of the mounting portion 12 away from the pushing member 4 is provided with an integral elastic clip 3, and both side arms of the integral elastic clip 3 are S-shaped, wherein the integral elastic clip 3 means that the elastic material is bent into a U-shape to be clip-shaped, such as made of metal material or plastic material. The both sides arm lock of integrative elastic clamp 3 is the S type to make the centre gripping mouth be the opening type, wherein connect if through the screw between the bottom of integrative elastic clamp 3 and installation department 12, in order to conveniently detach integrative elastic clamp 3 when not needing. Wherein the opening of the integral spring clip 3 is directed preferably in a direction away from the mounting portion 12.

In order to make the structure more compact, it is preferable that the mounting portion 12 is a plate, and correspondingly, the pushing member 4 and the integral elastic clip 3 are respectively disposed on two sides of the plate in the thickness direction, so that the integral elastic clip 3 and the mounting portion 12 are arranged in parallel in the thickness direction of the mounting portion 12, and the structure is more compact. The fixed clamping arm 1 and the mounting part 12 can be integrally formed, and can also be welded, bolted and the like. The movable clamping arm 2 is rotatably connected with the mounting part 12 or the fixed clamping arm 1 through a rotating shaft 10, the movable clamping arm 2 is in clearance fit with the rotating shaft 10, and the rotating shaft 10 is in interference fit with the mounting part 12 or the fixed clamping arm 1 or is integrally formed.

For convenience of installing the fixing seat 5, it is preferable that one end of the installation part 12 is provided with a connecting lug vertically arranged on the installation part, an installation flange is arranged on the corresponding fixing seat 5, if one side of the installation flange is semicircular, the other side of the installation flange is square, the installation flange is abutted to the plate surface of the installation part, and if the installation flange is abutted to the plate surface of the installation part, the bottom of the square side is abutted to the plate surface of the installation part 12. And the mounting flange with connect through the bolt between the engaging lug, and preferably through along the width direction of installation department 12, a plurality of bolts that set up side by side to be connected mounting flange and engaging lug, and fixing base 5 and fixed arm lock 1 are connected respectively to the length direction both ends of installation department 12.

Furthermore, it is preferable that the connecting portion 6 is further included, and the connecting portion 6 is rotatably connected with the mounting portion 12 or the fixing base 5 through the damping rotating shaft 8. Specifically, if the connecting portion 6 is a connecting sleeve, the two ends of the damping rotating shaft 8 are respectively inserted into the connecting portion 6 and the fixing base 5. And the resistance rotating shaft 8 is preferably arranged coaxially with the installation cylinder.

Furthermore, the quick-release connector also preferably comprises an adapter seat 7, wherein the adapter seat 7 is connected with the connecting part 6 in an inserting way and is prevented from being separated along the inserting direction by a quick-release pin 11 which is radially arranged in a penetrating way. And when quick-release pin 11 was extracted, can be quick take off connecting portion 6 from connecting seat 7, corresponding, wherein installation department 12, fixing base 5 and move arm lock 2, decide arm lock 1 etc. and take off to make things convenient for quick assembly disassembly. The quick release pin 11 preferably has an operating handle for easy operation.

It should be noted that, as shown in fig. 1, a direction of a nip between the fixed arm 1 and the movable arm 2 and a direction of an extension of the pushing member 4 may be perpendicular to each other, and as shown in fig. 2, a direction of a nip between the fixed arm 1 and the movable arm 2 and a direction of an extension of the pushing member 4 may also be the same. If consistent, the moving clamp arm 2 should include an abutment portion extending in the thickness direction of the mounting portion 12 to abut against the pusher 4.

In a specific embodiment, the present embodiment provides a dialyzer clamp which mainly comprises the following three parts: a fixed clip portion, a rotating portion, and an adaptor portion. The fixing clamp part mainly comprises a fixed clamping arm 1, a first silica gel sleeve 101, a movable clamping arm 2, an integrated elastic clamp 3, a second silica gel sleeve 301, a pushing part 4, an elastic device 9, a rotating shaft 10 and an installation part 12. Wherein the rotating part mainly comprises: fixing base 5, connecting portion 6, damping pivot 8. Wherein the switching part mainly includes: adapter 7, quick-release pin 11.

The three parts of the fixing clip part, the rotation part and the transit part are explained in detail as follows.

Wherein the fixed arm lock part:

wherein decide arm lock 1 fixed mounting and serve in one of installation department 12, and wherein decide arm lock 1 and move arm lock 2 and be connected through pivot 10, pivot 10 with decide arm lock 1 interference fit, pivot 10 with move arm lock 2 clearance fit, so, decide arm lock 1 and move the fixed arm lock that arm lock 2 constitutes and can smoothly open and shut and not separate. The fixing seat 5 is fixedly installed at the other end of the installation part 12 through a bolt and nut structure, an elastic device 9 with a high elastic constant is arranged in a large-diameter sleeve of the fixing seat 5, one end of the elastic device 9 is inserted into one end of the pushing part 4, the other end of the pushing part 4 is propped against the outer arc surface wall of the movable clamping arm 2, at the moment, because the fixed clamping arm 1, the movable clamping arm 2 and the pushing part 4 are limited and matched with the fixing seat 5, a certain pre-tightening force exists when the dialyzer is taken down, the elastic device 9 pushes the movable clamping arm 2 through the pushing part 4, the movable clamping arm 2 and the fixed clamping arm 1 are closed, and the dialyzer cannot be opened or closed randomly because of the existence of the pre-tightening force. When placing the cerini dialyser cerini, move arm lock 2 forced rotation and open and shut, because the design of the cambered surface wall of moving arm lock 2 can smoothly promote impeller 4, impeller 4 compression resilient means 9, the effect of reaction force, move arm lock 2 and decide arm lock 1 and produce the clamping-force, decide the first silica gel cover 101 on the arm lock 1 and increase frictional force, guarantee that the cerini dialyser cerini is stable and does not drop. Wherein the material of the fixed clamping arm 1 and the movable clamping arm 2 is nylon or other plastics, and the material of the pushing piece 4 is resin or other wear-resistant plastics.

Integrative elastic clamp 3 can be injection molding or sheet metal component, and thickness is 3-4mm, and the both sides arm lock utilizes unique "S" shape design, forms the elastomer, when putting into the cerini dialyser cerini, produces certain arm lock and holds power, and the second silica gel cover 301 of both sides has increased frictional force, guarantees that the cerini dialyser cerini is stable not drop.

Wherein the rotation function portion:

the 360-degree arbitrary angle rotation is mainly realized by the damping rotating shaft 8. Install the minor diameter end of damping pivot 8 to the minor diameter cylinder inslot of two fixing bases 5, the major diameter end of damping pivot 8 is installed to the inslot of connecting portion 6, and damping pivot 8 is interference fit with fixing base 5 and connecting portion 6. So, because the damping action of damping pivot 8, the operator can be with 360 arbitrary angle rotations of cerini dialyser cerini fixed arm lock and stop. Wherein the connecting portion 6 is preferably a connecting sleeve.

Wherein the switching part:

one end of the connecting part 6 is matched with the damping rotating shaft 8, the other end of the connecting part comprises a through hole which extends along the radial direction and penetrates through the cylinder body, the end of the connecting part is inserted into the groove of the adapter 7, the connecting end of the adapter 7 is correspondingly provided with a through hole, and the connecting part 6 is connected with the adapter 7 through the quick-release pin 11. Adapter 7 is as permanent mounting on the CRRT equipment, installs to the CRRT equipment on, does not dismantle along with cerini dialyser cerini fixed arm lock. Before the CRRT equipment runs, the dialyzer fixing clamping arm is connected to the adapter 7 through the quick-release pin 11 for use, and when the equipment stops running, the quick-release pin 11 is pulled out, and the dialyzer fixing clamping arm is taken down and stored. Particularly, one end of the adapter 7 fixed on the CRRT equipment is designed to be a square bump, so that the adapter can be prevented from rotating when the dialyzer is rotated to fix the clamping arm, and the function of rotating the damping rotating shaft 8 at any angle of 360 degrees and the function of stopping are prevented from failing.

Based on the dialyzer clips provided in the above embodiments, the utility model also provides a CRRT apparatus comprising any one of the dialyzer clips provided in the above embodiments. Since the CRRT device employs the dialyzer holder in the above embodiments, please refer to the above embodiments for the beneficial effects of the CRRT device.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A dialyzer clamp is characterized by comprising a mounting part, a fixed clamp arm, a movable clamp arm, a pushing part and a fixed seat, wherein the fixed clamp arm is mounted at one end of the mounting part, and the movable clamp arm is matched with the fixed clamp arm and can rotate relative to the fixed clamp arm; the fixed seat is arranged at the other end of the mounting part and is in sliding fit with the pushing part; an elastic device is arranged in an inner cavity between the pushing piece and the fixed seat so as to push the pushing piece to abut against the outer side of the movable clamping arm to push the movable clamping arm to rotate towards the fixed clamping arm; the mounting portion is arranged in parallel with the pushing member.

2. The dialyzer clamp according to claim 1, wherein the fixing base includes a mounting barrel, the pushing member is inserted into the mounting barrel and slidably engaged therewith, the resilient means is located in the mounting barrel and abuts against a bottom of the mounting barrel, and an end of the pushing member has a positioning post portion inserted into an inner hole of the resilient means and abuts against the resilient means in a sliding direction.

3. The dialyzer clamp of claim 2, wherein the dynamic clamping arm abuts the pushing member via an arc surface.

4. The dialyzer clamp of claim 1, wherein a side of the mounting portion remote from the pushing member is provided with an integral spring clip, and both side clamping arms of the integral spring clip are S-shaped.

5. The dialyzer clamp of claim 4, wherein the mounting portion is a plate member, and the pushing member and the integral resilient clip are disposed on either side of the plate member in a thickness direction thereof.

6. The dialyzer clamp of claim 5, wherein one end of the mounting part is provided with a connecting lug which is vertically arranged on the mounting part, the fixing seat is provided with a mounting flange, the mounting flange is abutted against the plate surface of the mounting part, and the mounting flange is connected with the connecting lug through a bolt.

7. The dialyzer clamp of any one of claims 1 to 6, further comprising a connecting portion rotatably connected to the mounting portion or the fixing base by a damping shaft.

8. The dialyzer clamp of claim 7, wherein both ends of the damping rotating shaft are inserted into the connecting portion and the fixing base, respectively; the quick-release connector further comprises an adapter, wherein the adapter is connected with the connecting part in an inserting mode, and the quick-release pin arranged in a penetrating mode in the radial direction prevents the quick-release connector from being separated from the connecting part in the inserting direction.

9. The dialyzer clamp of claim 8, wherein a direction of facing a clamp opening between the fixed clamp arm and the movable clamp arm is perpendicular to or coincident with a direction in which the pushing member extends.

10. A CRRT apparatus comprising a dialyzer holder of any one of claims 1 to 8.

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