CN210812941U - Disposable hemodialysis circulating device - Google Patents

Abstract

The utility model discloses a disposable hemodialysis circulating device, disposable drug delivery structure including the multiple use circulating equipment and cooperation circulating equipment use, one side of circulating equipment is provided with the spacing casket of disposable needle tubing of spacing disposable drug delivery structure, and the one end of the spacing casket of disposable needle tubing is provided with a set of pneumatic pump as disposable drug delivery structure power supply, rotatory box body is through the loose-leaf and the location box body swing joint of location box body bottom, and the inboard of location box body and rotatory box body sets up the groove that supplies disposable drug delivery structure to install, circulating equipment includes that the connection patient artery of one side-mounting is used for the arterial blood delivery tube of blood collection and arterial blood delivery tube one side connects patient's vein and is used for blood reflux to the internal venous blood reflux of patient. This disposable hemodialysis circulating device, rational in infrastructure, easily adjust to use the installation, have higher practical value.

Description

Disposable hemodialysis circulating device

Technical Field

The utility model belongs to the technical field of hemodialysis apparatus, concretely relates to disposable hemodialysis circulating device.

Background

Hemodialysis (HD) is one of the alternative treatments for the kidney of patients with acute and chronic renal failure. The method comprises the steps of draining blood in vivo to the outside of the body, enabling the blood and electrolyte solution (dialysate) with similar body concentration to be inside and outside one hollow fiber through a dialyzer consisting of a plurality of hollow fibers, and carrying out substance exchange through dispersion, ultrafiltration, adsorption and convection principles, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid and alkali; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

During hemodialysis, except main dialysis equipment and the component that uses repeatedly, need be equipped with the disposable structure that the cooperation human body used, go into pipe and notes liquid needle, the disposable notes liquid needle that is used for circulating equipment now is mostly simple syringe structure, and the demand of dosing in dialysis equipment is installed and can't be satisfied to the difficult installation of putting on shelf.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable hemodialysis circulating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a disposable hemodialysis circulating device, disposable medicine feeding structure including multiple use's circulating equipment and cooperation circulating equipment use, one side of circulating equipment is provided with the spacing casket of disposable needle tubing of spacing disposable medicine feeding structure, and the one end of the spacing casket of disposable needle tubing is provided with a set of pneumatic pump as disposable medicine feeding structure power supply, the spacing casket of disposable needle tubing is the holistic rotatory box body of cuboid including a set of location box body and a set of and location box body cooperation that are fixed in the circulating equipment surface, rotatory box body is through the loose-leaf and the location box body swing joint of location box body bottom, and the inboard of location box body and rotatory box body sets up the groove that supplies the disposable medicine feeding structure installation.

Preferably, the circulation apparatus includes an arterial blood delivery tube installed at one side to be connected to an artery of the patient for blood collection and a venous blood return tube installed at one side of the arterial blood delivery tube to be connected to a vein of the patient for blood return to the patient.

Preferably, the one side butt disposable medication structure's of location box body and rotatory box body orientation venous blood return line one end, disposable medication structure is including having the disposable needle tubing main part that pushes away the handle and the notes liquid pipe that disposable needle tubing main part one side set up, push away the handle and keep away from one side of disposable needle tubing main part by the pneumatic telescopic link butt with pneumatic pump complex.

Preferably, the top of location box body and rotatory box body is spacing by two sets of hasps, and rotatory box body keeps away from one side of location box body and inlays and have a set of perspective glass.

Preferably, one side of the disposable needle tube main body facing the positioning box body is provided with a limiting edge in the group of sliding positioning box bodies, and one side of the outer edge surface of the disposable needle tube main body far away from the limiting edge is provided with a group of scale marks.

Preferably, the liquid injection pipe is connected with a group of communicating pipes, and one end of each communicating pipe, which is far away from the liquid injection pipe, is connected into the venous blood return pipe.

The utility model discloses a technological effect and advantage: the disposable blood dialysis circulating device has the advantages that the disposable needle tube main body is limited by the disposable needle tube limiting box, the disposable needle tube limiting box comprises the positioning box body and the rotating box body which are closed by the two groups of lock catches, the positioning box body and the rotating box body are convenient to limit the disposable needle tube main body in a closed state, the disposable needle tube main body is convenient to replace in an opened state, and the applicability is high; a pneumatic pump at one side of the disposable needle tube limiting box pushes a push handle of the disposable needle tube main body through a pneumatic telescopic rod to realize the injection of the feed amount control, and the addition of the auxiliary agent in the venous blood return tube is effectively realized; the perspective glass arranged on the rotating box body is convenient for a user to observe the liquid injection state of the disposable needle tube main body; the limiting edge arranged on the disposable needle tube main body is convenient for preliminary limiting between the disposable needle tube main body and the positioning box body, and the stability of the disposable needle tube main body in the positioning box body and the rotating box body is guaranteed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the main structure of the disposable syringe of the present invention.

In the figure: 1 circulation equipment, 2 arterial blood delivery pipes, 3 venous blood return pipes, 4 disposable needle tube limiting boxes, 5 pneumatic pumps, 501 pneumatic telescopic rods, 6 positioning box bodies, 601 loose leaves, 7 rotating box bodies, 701 perspective glass, 8 disposable needle tube main bodies, 801 push handles, 9 liquid injection pipes, 901 communicating pipes, 10 lock catches, 11 limiting edges and 12 scale marks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a disposable hemodialysis circulating device as shown in figures 1-3, which comprises a circulating device 1 which is used for many times and a disposable drug delivery structure (when the device is implemented, the model of the circulating device 1 is selected according to the requirement of the user), one side of the circulating device 1 is provided with a disposable needle tube limiting box 4 of the limiting disposable drug delivery structure, one end of the disposable needle tube limiting box 4 is provided with a group of pneumatic pumps 5 as the power source of the disposable drug delivery structure, the disposable needle tube limiting box 4 comprises a group of positioning box bodies 6 (the mounting mode of the positioning box bodies 6 can be adsorption fixing or bonding fixing) fixed on the surface of the circulating device 1 and a group of rotating box bodies 7 which are matched with the positioning box bodies 6 to form a cuboid whole, the rotating box bodies 7 are movably connected with the positioning box bodies 6 through hinges 601 at the bottom ends of the positioning box bodies 6, and the inboard of location box body 6 and rotatory box body 7 is seted up and is supplied the groove of disposable administration structure installation, and disposable needle tubing main part 8 is spacing by disposable needle tubing spacing casket 4, and disposable needle tubing spacing casket 4 includes location box body 6 and rotatory box body 7 by two sets of hasps 10 confined, and location box body 6 and rotatory box body 7 are convenient for spacing of disposable needle tubing main part 8 under the closed condition to the change of disposable needle tubing main part 8 is convenient for in the open condition, and the suitability is strong.

Particularly, circulation equipment 1 includes that the connection patient artery of one side installation is used for the arterial blood eduction tube 2 and the arterial blood eduction tube 2 one side connection patient vein of blood collection to be used for blood to flow back to the internal venous blood back flow 3 of patient, and arterial blood eduction tube 2 and venous blood back flow 3 belong to the description of essential element, are convenient for the utility model discloses the connection of interior disposable assembly, the cooperation here of arterial blood eduction tube 2 and venous blood back flow 3 and blood pump is no longer repeated.

Specifically, the positioning box body 6 and the rotating box body 7 abut against one end of the disposable drug delivery structure towards one side of the venous blood return pipe 3 (in specific implementation, the diameter of a hole formed in the positioning box body 6 and the rotating box body 7 for leading out a liquid injection pipe 9 is smaller than that of the disposable needle tube main body 8, so that position limitation is realized), the disposable drug delivery structure comprises the disposable needle tube main body 8 with a push handle 801 and the liquid injection pipe 9 arranged at one side of the disposable needle tube main body 8, one side, away from the disposable needle tube main body 8, of the push handle 801 is abutted by a pneumatic telescopic rod 501 matched with the pneumatic pump 5, the pneumatic pump 5 at one side of the disposable needle tube limiting box 4 pushes the push handle 801 of the disposable needle tube main body 8 through the pneumatic telescopic rod 501 to realize injection of feed amount control, addition of auxiliary agents in the venous blood return pipe 3 is effectively realized, and in specific implementation, any model can be selected by the pneumatic pump 5 and, and may be replaced by similar hydraulic pumps and rods, while the control of the feed amount is ensured by the power source, i.e. by the pneumatic pump 5 or the hydraulic pump.

Specifically, the top of location box body 6 and rotatory box body 7 is spacing by two sets of hasps 10, and rotatory box body 7 keeps away from one side of location box body 6 and inlays and have a set of perspective glass 701, and the perspective glass 701 that sets up on the rotatory box body 7 facilitates the user and observes the notes liquid state of disposable needle tubing main part 8.

Specifically, disposable needle tubing main part 8 is constructed the spacing arris 11 in a set of slide locating box body 6 towards one side of location box body 6, the spacing arris 11 that sets up on disposable needle tubing main part 8 be convenient for with fix a position the preliminary spacing between the box body 6, guarantee disposable needle tubing main part 8 spacing stability in location box body 6 and rotatory box body 7, and one side that spacing arris 11 was kept away from to disposable needle tubing main part 8's outer fringe face is provided with a set of scale sign 12, scale sign 12 convenient to use person observes the medicament surplus.

Specifically, the liquid injection tube 9 is connected to a group of communicating tubes 901, and one end of the communicating tube 901, which is far away from the liquid injection tube 9, is connected to the venous blood return tube 3, and in specific implementation, the communicating tube 901 should be matched with a group of electronic control stop valves of any model, so as to facilitate blocking of the communicating tube 901 when no medicine is introduced.

Specifically, when the disposable hemodialysis circulating device is used, only the circulation equipment 1 is needed to work, the arterial blood outlet pipe 2 is connected into the artery of a patient, and the venous blood return pipe 3 is connected into the vein of the patient to realize circulation, the disposable needle tube limiting box 4 is opened when nutrient liquid medicaments need to be added, the rotary box body 7 can be opened only by opening two groups of lock catches 10, the disposable needle tube main body 8 for filling liquid is installed in the positioning box body 6, the limiting edge 11 is matched with a groove which is arranged on the positioning box body 6 and is matched with the limiting edge 11, the disposable needle tube main body 8 is preliminarily limited, finally the rotary box body 7 is closed and two groups of lock catches 10 are locked, the liquid filling pipe 9 and the communicating pipe 901 are connected firstly, then the pneumatic pump 5 is adjusted to ensure that the pneumatic telescopic rod 501 is abutted against the bottom end of the push handle 801, and the feeding amount of the pneumatic pump 5 to the pneumatic telescopic rod, this disposable hemodialysis circulating device, rational in infrastructure, easily adjust to use the installation, have higher practical value.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A disposable hemodialysis circulation apparatus including a multi-use circulation device (1) and a disposable administration structure used in cooperation with the circulation device (1), characterized in that: one side of circulating equipment (1) is provided with spacing casket (4) of disposable needle tubing of spacing disposable drug administration structure, and the one end of the spacing casket (4) of disposable needle tubing is provided with a set of pneumatic pump (5) as the disposable drug administration structure power supply, the spacing casket (4) of disposable needle tubing is cuboid holistic rotatory box body (7) including a set of location box body (6) and a set of and location box body (6) cooperation that are fixed in circulating equipment (1) surface, loose-leaf (601) and location box body (6) swing joint through location box body (6) bottom rotatory box body (7), and the inboard of just fixing a position box body (6) and rotatory box body (7) is seted up the groove that supplies the disposable drug administration structure to install.

2. A single-use hemodialysis circulation device according to claim 1, wherein: the circulation device (1) comprises an arterial blood delivery pipe (2) which is arranged on one side and is connected with the artery of a patient for blood collection and a venous blood return pipe (3) which is arranged on one side of the arterial blood delivery pipe (2) and is connected with the vein of the patient for blood return to the body of the patient.

3. A single-use hemodialysis circulation device according to claim 1, wherein: the one side butt disposable administration structure's of location box body (6) and rotatory box body (7) one side towards vein blood backflow pipe (3) one end, disposable administration structure is including having disposable syringe main part (8) and the liquid injection pipe (9) that disposable syringe main part (8) one side set up that push away handle (801), push away one side that disposable syringe main part (8) were kept away from to handle (801) by with pneumatic pump (5) complex pneumatic telescopic link (501) butt.

4. A single-use hemodialysis circulation device according to claim 3, wherein: the top of location box body (6) and rotatory box body (7) is spacing by two sets of hasps (10), and rotatory box body (7) keep away from one side of location box body (6) and inlay and have a set of perspective glass (701).

5. A single-use hemodialysis circulation device according to claim 3, wherein: one side of the disposable needle tube main body (8) facing the positioning box body (6) is constructed with a group of limiting edges (11) in the sliding positioning box body (6), and one side of the outer edge surface of the disposable needle tube main body (8) far away from the limiting edges (11) is provided with a group of scale marks (12).

6. A single-use hemodialysis circulation device according to claim 3, wherein: the liquid injection pipe (9) is connected with a group of communicating pipes (901), and one end of each communicating pipe (901), which is far away from the liquid injection pipe (9), is connected into the venous blood return pipe (3).

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