CN218961586U

CN218961586U - Blood protection pump for artificial lung based on ART system

Info

Publication number: CN218961586U
Application number: CN202222686579.4U
Authority: CN
Inventors: 查显进
Original assignee: Hefei Yijing Intelligent Technology Co ltd
Current assignee: Hefei Yijing Intelligent Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-05-05
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a blood protection pump for an artificial lung based on an ART system, and relates to the technical field of blood protection pumps. The utility model comprises a motor and a fixed cover, wherein the fixed cover and the motor are coaxially arranged and penetrated by an output shaft of the motor, a supporting sleeve is fixed at the center of the top of the fixed cover, a pump shell is fixed at the top of the supporting sleeve, a connecting pipe communicated with an inner cavity of the pump shell is fixed at the top of the pump shell, an output pipe communicated with the inner cavity of the pump shell is fixed at the bottom of the outer circular surface of the pump shell along a tangent line, and the output shaft of the motor penetrates through the supporting sleeve and extends into the pump shell. According to the utility model, the silica gel blades are sleeved on the supporting plate arranged at the output shaft end of the motor, one end of each silica gel blade, which is far away from the output shaft of the motor, is attached to the inner wall of the pump shell, so that the inner wall of the pump shell can be cleaned during rotation, the amount of blood remained on the inner wall of the pump shell is reduced, the blood circulation is Sun Chang, and the blood remained on the inner wall of the pump shell is prevented from being accumulated for a long time to form thrombus.

Description

Blood protection pump for artificial lung based on ART system

Technical Field

The utility model belongs to the technical field of blood protection pumps, and particularly relates to a blood protection pump for an artificial lung based on an ART system.

Background

With the increasing population aging, chronic obstructive pulmonary disease and related respiratory diseases, the frequency of use of artificial lungs in the area of treatment of respiratory diseases has increased. The ART system is an artificial lung system, and is an artificial organ for replacing human lungs to discharge carbon dioxide and absorb oxygen for gas exchange. In the past, the device is only applied to extracorporeal circulation of heart operation, and is required to be matched with a blood pump to be called an artificial heart-lung machine. The use of an extracorporeal device to replenish oxygen into the blood and to purge the blood of carbon dioxide enriched therein allows the patient to rebalance saturation levels within minutes to reduce pulmonary burden while providing the patient with the required respiratory support. Basic devices for artificial lungs include blood pumps, oxygenated blood unidirectional flow devices, oxygenators, temperature changers, filters, and the like.

Wherein, the blood pump is a main component for driving the in-vitro oxygenated blood to flow unidirectionally and return to the internal artery to replace the heart blood discharging function, and the blood pump needs to prevent hemolysis and thrombosis when in use. The existing blood circulation pump only circulates blood when in use, and the inside of the existing blood circulation pump is easy to have blood residues, so that thrombus is formed, and the blood circulation is not facilitated.

Disclosure of Invention

The utility model aims to provide a blood protection pump for an artificial lung based on an ART system, which is characterized in that a blade of the pump is rearranged, a silica gel blade attached to an outer cavity of a pump shell is sleeved on the outer surface of an inner support body, blood on the inner wall of the pump shell can be scraped out during operation, the adhesion quantity of the blood is reduced, the circulation efficiency of the blood is improved, and the heat preservation of the blood outside an output body is carried out through a heating shell arranged, so that the activity of the blood is kept.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a blood protection pump for an artificial lung based on an ART system, which comprises a motor and a fixed cover arranged at the output shaft end of the motor through screws, wherein the fixed cover is coaxially arranged with the motor and penetrated by the output shaft of the motor, a supporting sleeve is fixed at the center of the top of the fixed cover, a pump shell is fixed at the top of the supporting sleeve, a connecting pipe communicated with the inner cavity of the pump shell is fixed at the top of the pump shell, an output pipe communicated with the inner cavity of the pump shell is fixed at the bottom of the outer circular surface of the pump shell along a tangent line, the supporting sleeve is communicated with the inner cavity of the pump shell and coaxially arranged with the connecting pipe, the output shaft of the motor penetrates through the supporting sleeve and extends into the pump shell, a plurality of supporting plates are annularly and equidistantly arranged on one section of the outer circular surface of the output shaft of the motor positioned in the pump shell, and silica gel blades are sleeved on the plurality of supporting plates; the shell is sleeved with a heating shell penetrated by a supporting sleeve, a connecting pipe and an output pipe, a medium cavity is formed between the inner wall of the heating shell and the outer wall of the shell, and an electric heating pipe is wound in the inner wall of the heating shell.

As a preferable technical scheme of the utility model, the bottom of the pump shell is arc-shaped, and the circle center of the arc of the section of the bottom of the pump shell is positioned on the axis of the output pipe.

As a preferable technical scheme of the utility model, the bottom of one end of the silica gel blade, which is far away from the output of the motor, is contacted with the inner bottom of the pump shell, a sleeve cavity matched with the supporting plate is formed in the silica gel blade, and the bottom of one end of the silica gel blade, which is far away from the output of the motor, is in the shape of an arc attached to the inner bottom of the pump shell.

As a preferable technical scheme of the utility model, a binding post and a temperature sensor are fixed on the outer circular surface of the heating shell, and one end of the temperature sensor extends into the medium cavity.

As a preferable technical scheme of the utility model, the longitudinal section of the supporting plate is of a fish tail structure, and arc-shaped limiting protrusions are fixed on two side surfaces of one end, far away from the motor output shaft, of the supporting plate.

The utility model has the following beneficial effects:

1. according to the utility model, the silica gel blades are sleeved on the supporting plate arranged at the output shaft end of the motor, one end of each silica gel blade, which is far away from the output shaft of the motor, is attached to the inner wall of the pump shell, so that the inner wall of the pump shell can be cleaned during rotation, the amount of blood remained on the inner wall of the pump shell is reduced, the blood circulation is Sun Chang, and the blood remained on the inner wall of the pump shell is prevented from being accumulated for a long time to form thrombus.

2. According to the utility model, the heating shell with the electric heating pipe is arranged outside the pump shell in a covering way, so that when blood extracorporeal circulation is carried out, the blood can be insulated, the temperature inside the pump shell is kept consistent with the temperature of human blood, the activity of the blood is ensured, and thrombus caused by too low temperature is avoided.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a blood protection pump for artificial lung based on ART system according to the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a schematic cross-sectional view of fig. 2 at A-A.

Fig. 4 is a schematic cross-sectional view of fig. 2 at B-B.

Fig. 5 is a schematic structural view of a motor and a silica gel blade.

Fig. 6 is a schematic diagram of the pump casing, the connecting pipe, and the output pipe.

Fig. 7 is a schematic view of the structure of fig. 6 from another view angle.

Fig. 8 is a front view of fig. 6.

Fig. 9 is a schematic cross-sectional view of fig. 8 at C-C.

Fig. 10 is a schematic structural view of a silicone blade.

Fig. 11 is a schematic view of the internal structure of the silica gel blade.

Fig. 12 is a schematic structural view of the heating housing and the electric heating tube.

In the drawings, the list of components represented by the various numbers is as follows:

the device comprises a motor 1, a fixed cover 2, a support sleeve 3, a pump shell 4, a connecting pipe 5, an output pipe 6, a support plate 7, a silica gel blade 8, a heating shell 9, a heating medium cavity 10, an electric heating pipe 11, a sleeved cavity 12, a binding post 13 and a temperature sensor 14.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

First embodiment:

referring to fig. 1-12, the utility model discloses a blood protection pump for artificial lung based on ART system, which comprises a motor 1 and a fixed cover 2 arranged at the output shaft end of the motor 1 through screws, wherein the fixed cover 2 is coaxially arranged with the motor 1 and is penetrated by the output shaft of the motor 1, a support sleeve 3 is fixed at the center of the top of the fixed cover 2, a pump shell 4 is fixed at the top of the support sleeve 3, a connecting pipe 5 communicated with the inner cavity of the pump shell 4 is fixed at the top of the pump shell 4, an output pipe 6 communicated with the inner cavity of the pump shell 4 is fixed at the bottom of the outer circular surface of the pump shell 4 along a tangent line, the support sleeve 3 is communicated with the inner cavity of the pump shell 4 and is coaxial with the connecting pipe 5, the output shaft of the motor 1 penetrates through the support sleeve 3 and extends into the pump shell 4, a plurality of support plates 7 are annularly equidistantly arranged on one section of the outer circular surface of the output shaft of the motor 1 positioned in the pump shell 4, and silica gel blades 8 are sleeved on the support plates 7.

The bottom of the pump shell 4 is arc-shaped, and the circle center of the arc of the tangent plane at the bottom of the pump shell 4 is positioned on the axis of the output pipe 6.

The bottom of one end of the silica gel blade 8 far away from the output of the motor 1 is contacted with the inner bottom of the pump shell 4, a sleeve cavity 12 matched with the supporting plate 7 is formed in the silica gel blade 8, and the bottom of one end of the silica gel blade 8 far away from the output of the motor 1 is in a circular arc shape attached to the inner bottom of the pump shell 4.

The outer circular surface of the heating shell 9 is fixedly provided with a binding post 13 and a temperature sensor 14, and one end of the temperature sensor 14 extends into the medium cavity 10.

The longitudinal section of the supporting plate 7 is of a fish tail structure, and arc-shaped limiting protrusions are fixed on two side faces of one end, far away from the output shaft of the motor 1, of the supporting plate 7.

Through the cover establish silica gel blade 8 on the backup pad 7 of installation and motor 1 output shaft to make the one end that the motor output shaft was kept away from to silica gel blade 8 laminate with pump case 4 inner wall and interior bottom, can clean pump case 4 inner wall when rotating, reduce the quantity that blood remained on pump case 4 inner wall, make the blood extracorporeal circulation more Sun Chang, avoid remaining the long-time accumulation of blood at pump case 4 inner wall and form the thrombus.

Specific embodiment II:

on the basis of the first embodiment, the present embodiment is different in that:

as shown in fig. 12, a heating shell 9 penetrated by the support sleeve 3, the connecting pipe 5 and the output pipe 6 is sleeved outside the pump shell 4, a heating medium cavity 10 is formed between the inner wall of the heating shell 9 and the outer wall of the pump shell 4, and an electric heating pipe 11 is wound in the inner wall of the heating shell 9. By covering the heating shell 9 with the electric heating pipe 11 outside the pump shell 4, the blood can be insulated or heated when the extracorporeal circulation of the blood is carried out, so that the temperature inside the pump shell 4 is consistent with the temperature of the blood of a human body, the activity of the blood is ensured, and thrombus generation caused by too low temperature is avoided.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a blood protection pump for artificial lung based on ART system, includes motor (1) and installs fixed lid (2) at motor (1) output shaft end through the screw, fixed lid (2) set up with motor (1) coaxial line and run through by motor (1) output shaft, fixed lid (2) top center department is fixed with support sleeve (3), support sleeve (3) top is fixed with pump case (4), pump case (4) top is fixed with connecting pipe (5) with pump case (4) inner chamber intercommunication, pump case (4) outer disc bottom is fixed with output tube (6) with pump case (4) inner chamber intercommunication along the tangent line, support sleeve (3) and pump case (4) inner chamber intercommunication and with connecting pipe (5) coaxial line, its characterized in that:

the output shaft of the motor (1) penetrates through the support sleeve (3) and extends into the pump shell (4), a plurality of support plates (7) are annularly and equidistantly arranged on an outer circular surface of the output shaft of the motor (1) positioned in the pump shell (4), and silica gel blades (8) are sleeved on the support plates (7);

the electric heating device is characterized in that a heating shell (9) penetrated by the supporting sleeve (3), the connecting pipe (5) and the output pipe (6) is sleeved outside the pump shell (4), a heating medium cavity (10) is formed between the inner wall of the heating shell (9) and the outer wall of the pump shell (4), and an electric heating pipe (11) is wound in the inner wall of the heating shell (9).

2. The blood protection pump for artificial lung based on ART system according to claim 1, wherein the bottom of the pump housing (4) is circular arc, the center of the circular arc of the bottom section of the pump housing (4) is located on the axis of the output tube (6).

3. The blood protection pump for artificial lung based on ART system according to claim 1, wherein the bottom of one end of the silica gel blade (8) far away from the output of the motor (1) is contacted with the inner bottom of the pump shell (4), the inner part of the silica gel blade (8) is provided with a sleeve cavity (12) matched with the supporting plate (7), and the bottom of one end of the silica gel blade (8) far away from the output of the motor (1) is in the shape of circular arc attached to the inner bottom of the pump shell (4).

4. The blood protection pump for artificial lung based on ART system according to claim 1, wherein the heating housing (9) is fixed with a binding post (13) on the outer circumference, a temperature sensor (14), one end of the temperature sensor (14) extends into the medium cavity (10).

5. The blood protection pump for artificial lung based on ART system according to claim 1, wherein the longitudinal section of the supporting plate (7) is of a fish tail structure, and arc limiting protrusions are fixed on two sides of one end of the supporting plate (7) far from the output shaft of the motor (1).