CN211272739U - Cooler and blood temperature changer - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, and provides a cooler and a blood temperature changer, which comprises a plurality of hollow cooling plates which are parallel to each other and a connecting seat connected between two adjacent cooling plates, wherein the connecting seat is provided with a conducting cavity, the insides of the cooling plates are sequentially communicated with the conducting cavity to form a cooling channel, and the cooling channel is provided with a cooling inlet and a cooling outlet which are positioned at the two ends of the cooling channel; the cooling plate has a plurality of rib-shaped structures for increasing a contact area with the fluid. Compared with the prior art, the utility model provides a cooler, through the prismatic structure who sets up a plurality of bars, the area of contact of multiplicable and coolant liquid, blood increases cooling area, improves the cooling effect.

Description

Cooler and blood temperature changer

Technical Field

The utility model belongs to the technical field of medical instrument's technique and specifically relates to a cooler and blood alternating temperature ware are related to.

Background

The perfusion apparatus for myocardial protecting liquid perfuses heart with myocardial protecting liquid to stop beating and reduce myocardial temperature and oxygen consumption to obtain excellent myocardial protecting effect and thus improve the life quality of patient. The perfusion apparatus for myocardial protecting liquid is composed of blood temp. changer, liquid storage and pump tube.

At present, the traditional blood temperature varying device comprises a spiral cooling pipe, wherein the spiral cooling pipe is arranged in a barrel, and water is contained in the barrel, so that a cooling part of the blood temperature varying device is formed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooler and blood temperature changer to solve exist among the prior art with the effectual cooling area undersize of fluid contact, lead to the not good technical problem of cooling effect.

The utility model provides a cooler, including a plurality of hollow cooling plates that are parallel to each other and the connecting seat that connects between two adjacent cooling plates, the connecting seat has the conduction chamber, the inside of cooling plate and the conduction chamber communicate in proper order and form cooling channel, cooling channel has the cooling inlet and the cooling liquid outlet that are located its both ends; the cooling plate has a plurality of strip-shaped prism structures for increasing a contact area with the fluid.

Further, the cooling plate includes two cooling fins parallel to each other and two connecting pieces connected between the two cooling fins, and a plurality of the prism-like structures are formed on each of the cooling fins.

Further, the surface of the cooling fin has a transverse direction and a longitudinal direction perpendicular to each other, and a plurality of the prism-like structures are arranged side by side in a direction parallel to the transverse direction, and each of the prism-like structures extends in a direction parallel to the longitudinal direction.

Further, each cooling fin comprises a plurality of first fins and a plurality of second fins, the plurality of first fins and the plurality of second fins are alternately arranged, and the adjacent first fins and the adjacent second fins form the prismatic structures.

Further, the connecting seat comprises a seat body, and the seat body is provided with a connecting groove for the end part of the cooling plate to be placed in and connected with the cooling plate in a sealing manner.

Furthermore, a plurality of convex tip sheets are arranged in the connecting groove of the base body and used for abutting against the inner wall of the cooling plate.

Furthermore, a sealing cover plate is connected to the base body, and the sealing cover plate is connected with the base body and encloses to form the conducting cavity.

Further, the cooling plate is an aluminum alloy plate or a stainless steel plate.

The utility model provides a blood temperature changer, which comprises a temperature changer main body and the cooler; the temperature changer main body is provided with a blood inlet, a blood outlet and a cooling groove, the cooler is held in the cooling groove, the blood inlet is connected with the cooling liquid inlet, and the blood outlet is connected with the cooling liquid outlet.

Compared with the prior art, the utility model provides a cooler, through the prismatic structure who sets up a plurality of bars, the area of contact of multiplicable and coolant liquid, blood increases cooling area, improves the cooling effect.

Compared with the prior art, the utility model provides a blood alternating temperature ware adopts foretell cooler, when reducing self volume, has guaranteed the cooling effect.

Drawings

Fig. 1 is a schematic front view of a blood temperature changer according to an embodiment of the present invention;

fig. 2 is a schematic side view of a blood temperature changer according to an embodiment of the present invention;

fig. 3 is a schematic top view of a blood temperature changer according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along plane A-A of FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3;

fig. 6 is a schematic perspective view of a baffle provided in an embodiment of the present invention;

fig. 7 is an exploded schematic view of a temperature changer body according to an embodiment of the present invention;

fig. 8 is an enlarged view of a portion C in fig. 7.

Description of the main elements

100: blood temperature changer 10: temperature changer body

101: cooling bath 101 a: flow guide cavity

101 b: the heat exchange cavity 105: blood inlet

106: blood outlet 107: cooling liquid inlet

108: coolant outlet 109: flow guide plate

1091: the diversion holes 109 a: preset clearance

40: the top cover 50: upper assembling seat

60: outer frame 70: lower assembling seat

80: bottom cover 50 a: support rib

90: cooler 90 a: cooling liquid inlet

90 b: cooling liquid outlet 90 c: prismatic structure

91: cooling plate 91 a: cooling header plate

91 b: cooling tail plate 91 c: cooling medium plate

911: cooling fins 912: connecting sheet

913: the first sheet body 914: second sheet body

92: connecting seat 921: conducting cavity

922: base 923: connecting groove

924: cover plate 925: convex tip sheet

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It is to be understood that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided for the implementation of the present invention with reference to the specific drawings.

For convenience of description, the terms "front", "back", "left", "right", "up" and "down" used herein are the same as the drawings, but do not limit the structure of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1 to 8, a preferred embodiment of the present invention is provided.

Referring to fig. 1 to 8, the cooler 90 provided in this embodiment includes a plurality of hollow cooling plates 91 parallel to each other and a connecting base 92 connected between two adjacent cooling plates 91, the connecting base 92 has a through cavity 921, the insides of the cooling plates 91 are sequentially communicated with the through cavity 921 and form a cooling channel, and the cooling channel has a cooling liquid inlet 90a and a cooling liquid outlet 90b at both ends thereof; the cooling plate 91 has a plurality of bar-shaped prism structures 90c for increasing a contact area with the fluid.

In the cooler 90, the plurality of strip-shaped ridge structures 90c increase the contact area with the coolant or the blood, increase the cooling area, and improve the cooling effect.

Referring to fig. 1 to 5, in the present embodiment, the blood temperature changer 100 includes a temperature changer body 10, the temperature changer body 10 includes a top cover 40, an upper assembling base 50, an outer frame 60, a lower assembling base 70, a bottom cover 80 and a cooler 90, the top cover 40, the upper assembling base 50, the outer frame 60, the lower assembling base 70 and the bottom cover 80 are made of, but not limited to, transparent plastic, the top cover 40, the upper assembling base 50, the outer frame 60, the lower assembling base 70 and the bottom cover 80 are sequentially connected and fixed, the upper assembling base 50, the outer frame 60 and the lower assembling base 70 enclose a cooling groove 101, and the cooler 90 is disposed in the cooling groove 101.

Of course, the top cover 40, the upper assembly seat 50, the outer frame 60, the lower assembly seat 70, and the bottom cover 80 may be integrally formed.

As can be seen from fig. 1 to 3, the top cover 40 of the temperature changer body 10 is provided with a blood inlet 105 and a cooling liquid inlet 107, the bottom cover 80 is provided with a blood outlet 106 and a cooling liquid outlet 108, the blood inlet 105 and the blood outlet 106 are respectively connected to the inside of the cooler 90, and the cooling liquid inlet 107 and the cooling liquid outlet 108 are respectively connected to the cooling tank 101, it can be understood that the cooling liquid inlet 107 and the cooling liquid outlet 108 are respectively arranged at the upper end and the lower end (in the vertical direction in the drawing) of the temperature changer body 10, the cooling liquid with lower temperature enters the cooling tank 101 from the cooling liquid inlet 107 and exchanges heat with the cooler 90, the cooling liquid with increased temperature after heat exchange flows out from the cooling liquid outlet 108, so as to lower the temperature of the blood in the cooler 90, and the cooling liquid inlet 107 and the cooling liquid outlet 108 arranged vertically can increase the flow stroke of the cooling liquid, thereby improving the.

In this embodiment, the cooling liquid inlet 107 may be connected to a liquid outlet of an external pump (not shown), and the cooling liquid outlet 108 may be connected to a liquid inlet of the external pump, so that the cooling liquid can flow circularly, the heat diffusion speed is increased, and the cooling effect is stable and durable.

Referring to fig. 4 and 5, a cooler 90 and a guide plate 109 are disposed in a cooling tank 101 of a temperature changer body 10, the guide plate 109 divides the cooling tank 101 into a guide chamber 101a and a heat exchange chamber 101b, a strip-shaped guide hole 1091 through which the cooler 90 passes is formed in the guide plate 109, a preset gap 109a through which a cooling liquid flows is left between an inner wall of the guide hole 1091 and an outer wall of the cooler 90, and a cooling liquid inlet 107, the guide chamber 101a, the preset gap 109a, the heat exchange chamber 101b, and a cooling liquid outlet 108 are sequentially communicated. In this embodiment, the flow guiding plate 109 is a substantially square plate, the flow guiding plate 109 is fixed on the upper mounting seat 50, and divides the cooling tank 101 into the flow guiding cavity 101a and the heat exchanging cavity 101b which are arranged up and down (up and down direction shown in the figure), only a small portion of the cooler 90 is located in the flow guiding cavity 101a, and the rest portion is located in the heat exchanging cavity 101b, it can be understood that after the cooling liquid enters the flow guiding cavity 101a from the cooling liquid inlet 107, the cooling liquid will diffuse and flow around under the blocking of the flow guiding plate 109, and then the cooling liquid flows into the heat exchanging cavity 101b through the above-mentioned preset gap 109a left between the inner wall of the flow guiding hole 1091 and the outer wall of the cooler 90, so that the cooling liquid can uniformly enter the heat exchanging cavity 101b of the cooling tank 101 and sufficiently contact with the cooler 90 for cooling, so as to circulate the outer wall of the cooler 90, and.

With continued reference to fig. 4 and 5, the upper mounting socket 50 has an annular mounting slot on its bottom surface for receiving the baffle 109. In this embodiment, an adhesive is disposed between the flow guiding plate 109 and the upper mounting seat 50 for connecting and fixing the two.

Referring to fig. 5 and 6, the shape of the baffle hole 1091 of the baffle 109 matches the cross-sectional shape of the cooler 90, the inner wall of the baffle hole 1091 is zigzag, and in this embodiment, the baffle hole 1091 of the baffle 109 has two parallel baffle longitudinal walls, and each baffle longitudinal wall is convexly provided with a plurality of ribs arranged along the extending direction of the baffle hole 1091.

Of course, the inner wall of the diversion hole 1091 may also be wavy or linear.

Referring to fig. 4 to 8, the cooler 90 of the present embodiment is held in a cooling tank 101, and support ribs 50a are provided in the temperature changer body 10 for positioning and supporting the cooler 90.

With continued reference to fig. 4 to 8, the cooler 90 includes a plurality of hollow cooling plates 91 parallel to each other and a connecting base 92 connected between two adjacent cooling plates 91, the connecting base 92 has a through cavity 921, the insides of the cooling plates 91 are sequentially communicated with the through cavity 921 to form a cooling channel, the cooling channel has a cooling liquid inlet 90a and a cooling liquid outlet 90b at two ends thereof, and the cooling plates 91 have a plurality of strip-shaped prism structures 90c for increasing the contact area with the fluid. In the present embodiment, the number of the plurality of cooling plates 91 is, but not limited to, five, and the cooling head plate 91a and the cooling end plate 91b are three cooling middle plates 91c interposed therebetween, the shapes of the cooling head plate 91a, the cooling end plate 91b, and the cooling middle plates 91c are the same, but the lengths of the cooling head plate 91a and the cooling end plate 91b are both longer than the length of the cooling middle plate 91c, the cooling head plate 91a is in sealed abutment with the upper mount 50, the cooling end plate 91b is in sealed abutment with the lower mount 70, and the number of the baffle holes 1091 is, but not limited to, five, and corresponds to five cooling plates 91 one to one.

As shown in fig. 7 and 8, the material of the cooling plate 91 may be an aluminum alloy, or may be stainless steel, in this embodiment, the cooling plate 91 is not limited to an aluminum alloy plate, the cooling plate 91 includes two cooling fins 911 parallel to each other and two connecting pieces 912 connected between the two cooling fins 911, the cooling fins 911 and the connecting pieces 912 enclose to form the cooling plate 91 with a square cross section, and each cooling fin 911 is formed with a plurality of the prism-shaped structures 90 c. It is easily understood that the plurality of strip-shaped ridge-shaped structures 90c increase the contact area with the cooling liquid and the blood, increase the cooling area, and improve the cooling effect.

Of course, the cooling fins 911 may have a wavy cross-section.

Referring to fig. 7 and 8, in the present embodiment, the surface of the cooling fin 911 has a transverse direction (illustrated X-axis direction, hereinafter, collectively referred to as transverse direction) and a longitudinal direction (illustrated Z-axis direction, hereinafter, collectively referred to as longitudinal direction) perpendicular to each other, and a plurality of ridge-like structures 90c are arranged side by side in a direction parallel to the transverse direction, and each ridge-like structure 90c is arranged to extend in a direction parallel to the longitudinal direction. It can be understood that the plurality of rib-shaped structures 90c are connected to form the cooling fin 911, and the strip-shaped rib-shaped structures 90c extend in parallel to the longitudinal direction, so that the outer surface thereof can guide the cooling fluid flowing from the top to the bottom, and the inner surface thereof can move the blood flowing up and down, thereby ensuring the stability of the fluid flow.

In other embodiments, a plurality of the prism-like structures 90c are arranged side by side in a direction parallel to the longitudinal direction, and each prism-like structure 90c is arranged extending in a direction parallel to the transverse direction.

Specifically, each cooling fin 911 includes a plurality of first fins 913 and a plurality of second fins 914, and an included angle is formed between the first fins 913 and the second fins 914; the first sheet bodies 913 and the second sheet bodies 914 are alternately arranged and connected, adjacent first sheet bodies 913 and second sheet bodies 914 form a prism-shaped structure 90c, and the joint of the first sheet bodies 913 and the second sheet bodies 914 forms an edge.

In other embodiments, adjacent prism-like structures 90c are spaced apart.

As can be seen from fig. 5, 7 and 8, in the present embodiment, the connection socket 92 includes a socket body 922, the socket body 922 has a connection slot 923 for the end of the cooling plate 91 to be inserted into and sealingly connected with the cooling plate 91, in the present embodiment, a cover plate 924 is connected to the socket body 922, and the cover plate 924 is connected with the socket body 922 and encloses a through cavity 921. The cover closing plate 924 and the seat body 922 can be fixed by tight fit or bonding, so that the structure is compact and the installation is convenient.

As can be seen from fig. 5, 7 and 8, in the present embodiment, a plurality of protruding tip pieces 925 are disposed inside the connecting groove 923 of the seat body 922 to abut against the inner wall of the cooling plate 91. The convex tip pieces 925 are integrally formed on the base body 922, the plurality of convex tip pieces 925 are arranged in a direction parallel to the transverse direction at intervals, and when the base body 922 is connected with the cooling plate 91, the convex tip pieces 925 are placed in the cooling plate 91 to prevent the cooling plate 91 from collapsing.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (9)

1. A cooler is characterized by comprising a plurality of hollow cooling plates parallel to each other and a connecting seat connected between two adjacent cooling plates, wherein the connecting seat is provided with a conducting cavity, the interiors of the cooling plates are sequentially communicated with the conducting cavity to form a cooling channel, and the cooling channel is provided with a cooling liquid inlet and a cooling liquid outlet which are positioned at two ends of the cooling channel; the cooling plate has a plurality of strip-shaped prism structures for increasing a contact area with the fluid.

2. The cooler of claim 1, wherein the cooling plate comprises two cooling fins parallel to each other and two connecting pieces connected between the two cooling fins, each of the cooling fins having a plurality of the prism-like structures formed thereon.

3. The cooler of claim 2, wherein the surface of the cooling fin has a transverse direction and a longitudinal direction perpendicular to each other, and a plurality of the prism-like structures are arranged side by side in a direction parallel to the transverse direction, and each of the prism-like structures is arranged to extend in a direction parallel to the longitudinal direction.

4. The cooler of claim 2, wherein each cooling fin comprises a plurality of first fins and a plurality of second fins, the plurality of first fins and the plurality of second fins being arranged alternately, adjacent first fins and second fins constituting the prism-like structure.

5. The cooler of claim 1, wherein the connecting socket comprises a socket body having a connecting slot for receiving and sealingly connecting an end of the cooling plate.

6. The cooler of claim 5, wherein a plurality of protruding tip pieces are disposed in the connecting groove of the seat body to abut against the inner wall of the cooling plate.

7. The cooler of claim 5, wherein a cover plate is attached to the housing, the cover plate being attached to the housing and enclosing the through cavity.

8. The cooler of claim 1, wherein the cooling plate is an aluminum alloy plate or a stainless steel plate.

9. A blood temperature changer comprising a temperature changer body and a cooler as recited in any one of claims 1 to 8; the temperature changer main body is provided with a blood inlet, a blood outlet and a cooling groove, the cooler is held in the cooling groove, the blood inlet is connected with the cooling liquid inlet, and the blood outlet is connected with the cooling liquid outlet.

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