CN219208356U - Spiral blood transfusion device - Google Patents
Spiral blood transfusion device Download PDFInfo
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- CN219208356U CN219208356U CN202223003040.0U CN202223003040U CN219208356U CN 219208356 U CN219208356 U CN 219208356U CN 202223003040 U CN202223003040 U CN 202223003040U CN 219208356 U CN219208356 U CN 219208356U
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Abstract
The application discloses spiral blood transfusion device belongs to medical instrument technical field, and it includes main part, first connecting pipe, second connecting pipe, first blood transfusion pipe and second blood transfusion pipe. The first connecting pipe and the second connecting pipe are connected with one end of the main body, and the first blood conveying pipe and the second blood conveying pipe are connected with the other end of the main body. A spiral bulge for stabilizing blood is arranged on the inner wall of the second blood conveying tube. After the bulges are arranged on the inner wall of the second blood transfusion tube, the spiral blood transfusion device disclosed by the utility model can enable the blood to flow more stably and reduce turbulence, thereby avoiding injuring the blood vessel of a patient, and on the other hand, the bulges can enable the blood vessel wall to be smoothly flushed, reduce the deposition of harmful substances in the blood vessel wall, and inhibit thrombosis by reducing a low Wall Shear Stress (WSS) area.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a spiral blood transfusion device.
Background
Hemodialysis (HD) is to drain in-vivo blood to the outside of the body, through a dialyzer consisting of innumerable hollow fibers, exchange substances between the blood and an electrolyte solution (dialysate) with similar concentration of the body inside and outside the hollow fibers by dispersion, ultrafiltration, adsorption and convection principles, remove metabolic waste in the body, and maintain the balance of electrolyte and acid and alkali; at the same time, the whole process of removing excessive water from the body and reinfusion of the purified blood is called hemodialysis.
When the existing dialysis blood transfusion tube works, the blood flow speed is unstable, and the blood vessel of a patient is easily damaged.
Disclosure of Invention
The present utility model discloses a spiral transfusion device to improve the above-mentioned problems.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
based on the above object, the present utility model discloses a spiral blood transfusion apparatus comprising:
the device comprises a main body, wherein a first channel and a second channel are arranged on the main body, and the first channel and the second channel are arranged at intervals;
a first connecting tube in communication with the first channel;
a second connection tube in communication with the second channel;
a first blood transfer tube in communication with the first channel; and
the second blood transfusion tube is communicated with the second channel, a bulge is arranged on the inner wall of the second blood transfusion tube, and the bulge is spiral along the axis direction of the second blood transfusion tube.
Optionally: the main body includes:
the first component part is provided with a first through hole and a second through hole, the first connecting pipe is communicated with the first through hole, and the second connecting pipe is communicated with the second through hole;
the second component part is connected with the first component part, a third through hole and a fourth through hole are arranged on the second component part, the third through hole is communicated with the first through hole, and the fourth through hole is communicated with the second through hole; and
the third component part is connected with the second component part, a fifth through hole and a sixth through hole are formed in the third component part, the fifth through hole, the third through hole and the first through hole form the first channel, the sixth through hole, the fourth through hole and the second through hole form the second channel, the first blood conveying pipe is communicated with the fifth through hole, and the second blood conveying pipe is communicated with the sixth through hole.
Optionally: the diameter of one end of the first through hole, which is close to the first connecting pipe, is larger than that of the other end of the first through hole, and the diameter of one end of the second through hole, which is close to the second connecting pipe, is larger than that of the other end of the second through hole;
the diameter of one end of the third through hole, which is close to the first component part, is smaller than that of the other end of the third through hole, and the diameter of one end of the fourth through hole, which is close to the first component part, is smaller than that of the other end of the fourth through hole.
Optionally: the first component part is provided with a first inclined plane and a second inclined plane, the first inclined plane enables the size of the first through hole to gradually decrease along the direction deviating from the first connecting pipe, and the second inclined plane enables the size of the second through hole to gradually decrease along the direction deviating from the second connecting pipe;
the second component is provided with a third inclined plane and a fourth inclined plane, the third inclined plane enables the diameter of the third through hole to gradually increase along the direction deviating from the first component, and the fourth inclined plane enables the diameter of the fourth through hole to gradually increase along the direction deviating from the first component.
Optionally: the first through holes and the second through holes are obliquely arranged, the third through holes and the fourth through holes are arranged in parallel, and the fifth through holes and the sixth through holes are arranged in parallel.
Optionally: the first connecting pipe and the second connecting pipe are obliquely arranged, and the first blood transfusion pipe and the second blood transfusion pipe are obliquely arranged.
Optionally: the included angle between the first blood transfusion tube and the second blood transfusion tube is larger than or equal to the included angle between the first connecting tube and the second connecting tube.
Optionally: the one end that first connecting pipe deviates from the main part is provided with the external screw thread, just the second connecting pipe deviates from the one end of main part also is provided with the external screw thread.
Optionally: one end of the first connecting pipe, which is far away from the main body, is provided with a plurality of first connecting blocks, and the first connecting blocks are arranged at intervals along the circumferential direction of the first connecting pipe; the one end that the second connecting pipe deviates from the main part is provided with a plurality of second connecting blocks, and is a plurality of the second connecting block is followed the circumference interval setting of second connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that:
after the bulges are arranged on the inner wall of the second blood transfusion tube, the spiral blood transfusion device disclosed by the utility model can enable the blood to flow more stably and reduce turbulence, thereby avoiding injuring the blood vessel of a patient, and on the other hand, the bulges can enable the blood vessel wall to be smoothly flushed, reduce the deposition of harmful substances in the blood vessel wall, and inhibit thrombosis by reducing a low Wall Shear Stress (WSS) area.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of a spiral transfusion apparatus disclosed in an embodiment of the present utility model;
fig. 2 shows a cross-sectional view of a spiral transfusion apparatus disclosed in an embodiment of the present utility model;
FIG. 3 shows a schematic diagram of a first component disclosed in an embodiment of the present utility model;
FIG. 4 shows a cross-sectional view of a first component disclosed in an embodiment of the present utility model;
FIG. 5 shows a schematic diagram of a second component disclosed in an embodiment of the present utility model;
FIG. 6 shows a cross-sectional view of a second component disclosed in an embodiment of the present utility model;
FIG. 7 shows a schematic diagram of a third component disclosed in an embodiment of the present utility model;
FIG. 8 shows a cross-sectional view of a third component disclosed in an embodiment of the present utility model;
fig. 9 shows a cross-sectional view of a first blood delivery tube as disclosed in an embodiment of the present utility model.
In the figure:
110-body, 111-first component, 1111-first ramp, 1112-second ramp, 112-second component, 1121-third ramp, 1122-fourth ramp, 113-third component, 114-first channel, 1141-first through hole, 1142-third through hole, 1143-fifth through hole, 115-second channel, 1151-second through hole, 1152-fourth through hole, 1153-sixth through hole, 120-first connection tube, 121-first connection block, 130-second connection tube, 131-second connection block, 140-first blood delivery tube, 150-second blood delivery tube, 151-bump, 160-external thread.
Detailed Description
The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.
Examples:
referring to fig. 1 and 2, an embodiment of the present utility model discloses a spiral blood transfusion apparatus including a main body 110, a first connection tube 120, a second connection tube 130, a first blood transfusion tube 140, and a second blood transfusion tube 150. The first and second connection pipes 120 and 130 are connected to one end of the body 110, and the first and second blood transfer pipes 140 and 150 are connected to the other end of the body 110. The first connection tube 120 and the first blood delivery tube 140 are in communication through the body 110 for drawing blood out of the body for dialysis. The second blood delivery tube 150 is in communication with the second connection tube 130 through the main body 110 for re-delivering the dialyzed blood back into the human blood vessel. A protrusion 151 for stabilizing blood is provided on the inner wall of the second blood transport tube 150.
After the protrusion 151 is disposed on the inner wall of the second blood transfusion tube 150, the spiral blood transfusion device disclosed in this embodiment can make the blood flow more stable on the one hand, reduce turbulence, thereby avoiding damage to the blood vessel of the patient, and on the other hand, the protrusion 151 can make the blood vessel wall smoothly washed, reduce the deposition of harmful substances in the blood vessel wall, and inhibit thrombosis by reducing the low wall surface shear stress (WSS) area.
Referring to fig. 1 to 7, the main body 110 includes a first component 111, a second component 112, and a third component 113, and the first component 111, the second component 112, and the third component 113 are sequentially connected.
Referring to fig. 2 to 4, the first component 111 is provided with a first through hole 1141 and a second through hole 1151, where the first through hole 1141 and the second through hole 1151 are disposed obliquely, and when the first through hole 1141 and the second through hole 1151 do not intersect, that is, the first through hole 1141 and the second through hole 1151 are isolated from each other. The diameter of the first through-hole 1141 near one end of the first connection pipe 120 is larger than that of the other end thereof, and the diameter of the second through-hole 1151 near one end of the second connection pipe 130 is larger than that of the other end thereof. In the present embodiment, a first inclined surface 1111 and a second inclined surface 1112 may be provided in the first constituent portion 111. The first slope 1111 is provided as a portion of the sidewall of the first through-hole 1141 such that the size of the first through-hole 1141 is gradually changed in a manner such that the size of the first through-hole 1141 is gradually reduced in a direction away from the first connection pipe 120. The second inclined surface 1112 is provided as a portion of the sidewall of the second through-hole 1151 such that the size of the second through-hole 1151 is gradually changed such that the size of the second through-hole 1151 gradually decreases in a direction away from the second connection pipe 130.
Referring to fig. 5 and 6, a third through hole 1142 and a fourth through hole 1152 are disposed on the second component 112, the third through hole 1142 and the fourth through hole 1152 are disposed at a distance, and the third through hole 1142 and the fourth through hole 1152 are disposed in parallel. The third through-hole 1142 communicates with the first through-hole 1141, and the fourth through-hole 1152 communicates with the second through-hole 1151. The diameter of the third through-hole 1142 near one end of the first component part 111 is smaller than the diameter of the other end thereof, and the diameter of the fourth through-hole 1152 near one end of the first component part 111 is smaller than the diameter of the other end thereof. In the present embodiment, a third inclined surface 1121 and a fourth inclined surface 1122 may be provided in the second component 112. The third inclined surface 1121 is provided as a portion of the side wall of the third through-hole 1142, such that the size of the third through-hole 1142 is gradually changed, and the diameter of the third through-hole 1142 is gradually increased in a direction away from the first component part 111. The fourth inclined plane 1122 is provided as a portion of the side wall of the fourth through hole 1152, such that the size of the fourth through hole 1152 is gradually changed, and the diameter of the fourth through hole 1152 gradually increases in a direction away from the first component 111.
Referring to fig. 7 and 8, the third component 113 is provided with a fifth through hole 1143 and a sixth through hole 1153, the fifth through hole 1143 and the sixth through hole 1153 are spaced apart, and the fifth through hole 1143 is disposed parallel to the sixth through hole 1153. The fifth through-hole 1143 communicates with the third through-hole 1142, and the sixth through-hole 1153 communicates with the fourth through-hole 1152. Wherein, after the fifth through hole 1143, the third through hole 1142 and the first through hole 1141 are communicated, a first channel 114 for blood to flow out is formed; after the sixth through hole 1153, the fourth through hole 1152 and the second through hole 1151 are communicated, the second channel 115 for blood reflux is formed.
Referring to fig. 1 and 2, the first connection pipe 120 and the second connection pipe 130 are connected to one end of the body 110, and the first connection pipe 120 communicates with the first through hole 1141, the second connection pipe 130 communicates with the second through hole 1151, i.e., the first connection pipe 120 communicates with the first channel 114, and the second connection pipe 130 communicates with the second channel 115. The first blood transfer tube 140 and the second blood transfer tube 150 are connected to the other end of the main body 110, and the first blood transfer tube 140 communicates with the fifth through hole 1143, the second blood transfer tube 150 communicates with the sixth through hole 1153, i.e., the first blood transfer tube 140 communicates with the first channel 114, and the second blood transfer tube 150 communicates with the second channel 115.
An external thread 160 and a plurality of first connection blocks 121 are provided at an end of the first connection pipe 120 facing away from the main body 110. The plurality of first connection blocks 121 are disposed at intervals along the circumferential direction of the first connection pipe 120, and the plurality of first connection blocks 121 are located between the external screw thread 160 and the main body 110. The end of the first connection tube 120 facing away from the main body 110 is connected to the dialysis apparatus by means of external threads 160 and a first connection block 121.
An external thread 160 and a plurality of second connection blocks 131 are provided at an end of the second connection pipe 130 facing away from the main body 110. The plurality of second connection blocks 131 are disposed at intervals along the circumferential direction of the second connection pipe 130, and the plurality of second connection blocks 131 are located between the external screw thread 160 and the main body 110. The end of the second connection tube 130 facing away from the main body 110 is connected to the dialysis apparatus by means of external threads 160 and a second connection block 131.
Referring to fig. 1 and 2, the first connection pipe 120 and the second connection pipe 130 are disposed obliquely, and the first blood transfer pipe 140 and the second blood transfer pipe 150 are disposed obliquely. The angle between the first blood transfer tube 140 and the second blood transfer tube 150 is greater than or equal to the angle between the first connection tube 120 and the second connection tube 130.
Referring to fig. 2, a protrusion 151 is provided on an inner wall of the second blood transferring tube 150, and the protrusion 151 is provided along the inner wall of the second blood transferring tube 150. After the protrusions 151 are arranged, on one hand, the flow of blood can be more stable, turbulence is reduced, and therefore damage to blood vessels of a patient is avoided, on the other hand, the protrusions 151 can enable blood vessel walls to be smoothly flushed, deposition of harmful substances in blood on the blood vessel walls is reduced, and thrombus generation is restrained by reducing a low wall surface shear stress (WSS) area.
Referring to fig. 9, in one implementation of the present embodiment, the protrusion 151 is made to be spiral along the axial direction of the second blood delivery tube 150, so that a better effect is achieved, and the operation of providing the internal thread on the inner wall of the second blood delivery tube 150 is convenient and quick. Of course, the configuration in which the projection 151 is formed in a spiral shape is only one embodiment of the present embodiment, and in other embodiments, the projection 151 may be formed in a ring shape, a tooth shape, or the like so as to protrude inward along the inner wall of the second blood transfer tube 150.
The spiral transfusion device disclosed in this embodiment works as follows:
blood in the human body first flows out through the first blood transfer tube 140 and then flows into the dialysis apparatus through the sixth through-hole 1153, the fourth through-hole 1152, the second through-hole 1151, and the first connection tube 120. The dialyzed blood sequentially flows through the first through-hole 1141, the third through-hole 1142, and the fifth through-hole 1143 along the second connection tube 130, then flows into the second blood delivery tube 150, and then flows back into the blood vessel of the human body.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (9)
1. A spiral transfusion apparatus, comprising:
the device comprises a main body, wherein a first channel and a second channel are arranged on the main body, and the first channel and the second channel are arranged at intervals;
a first connecting tube in communication with the first channel;
a second connection tube in communication with the second channel;
a first blood transfer tube in communication with the first channel; and
the second blood transfusion tube is communicated with the second channel, a bulge is arranged on the inner wall of the second blood transfusion tube, and the bulge is spiral along the axis direction of the second blood transfusion tube.
2. The spiral transfusion apparatus of claim 1, wherein the main body comprises:
the first component part is provided with a first through hole and a second through hole, the first connecting pipe is communicated with the first through hole, and the second connecting pipe is communicated with the second through hole;
the second component part is connected with the first component part, a third through hole and a fourth through hole are arranged on the second component part, the third through hole is communicated with the first through hole, and the fourth through hole is communicated with the second through hole; and
the third component part is connected with the second component part, a fifth through hole and a sixth through hole are formed in the third component part, the fifth through hole, the third through hole and the first through hole form the first channel, the sixth through hole, the fourth through hole and the second through hole form the second channel, the first blood conveying pipe is communicated with the fifth through hole, and the second blood conveying pipe is communicated with the sixth through hole.
3. The spiral transfusion apparatus according to claim 2, wherein a diameter of one end of the first through hole near the first connecting tube is larger than a diameter of the other end thereof, and a diameter of one end of the second through hole near the second connecting tube is larger than a diameter of the other end thereof;
the diameter of one end of the third through hole, which is close to the first component part, is smaller than that of the other end of the third through hole, and the diameter of one end of the fourth through hole, which is close to the first component part, is smaller than that of the other end of the fourth through hole.
4. A spiral transfusion apparatus according to claim 3, wherein a first inclined surface and a second inclined surface are provided on the first component part, the first inclined surface gradually reduces the size of the first through hole in a direction away from the first connecting pipe, and the second inclined surface gradually reduces the size of the second through hole in a direction away from the second connecting pipe;
the second component is provided with a third inclined plane and a fourth inclined plane, the third inclined plane enables the diameter of the third through hole to gradually increase along the direction deviating from the first component, and the fourth inclined plane enables the diameter of the fourth through hole to gradually increase along the direction deviating from the first component.
5. A spiral transfusion apparatus according to claim 3, wherein the first through hole and the second through hole are arranged obliquely, the third through hole and the fourth through hole are arranged in parallel, and the fifth through hole and the sixth through hole are arranged in parallel.
6. The spiral transfusion apparatus according to claim 1, wherein the first connection tube and the second connection tube are disposed obliquely, and the first blood transfusion tube and the second blood transfusion tube are disposed obliquely.
7. The spiral transfusion apparatus of claim 6, wherein an angle between the first blood transfusion tube and the second blood transfusion tube is greater than or equal to an angle between the first connection tube and the second connection tube.
8. The spiral transfusion apparatus according to any one of claims 1 to 7, wherein an end of the first connecting tube facing away from the main body is provided with external screw threads, and an end of the second connecting tube facing away from the main body is also provided with external screw threads.
9. The spiral transfusion apparatus according to any one of claims 1 to 7, wherein an end of the first connecting tube facing away from the main body is provided with a plurality of first connecting blocks, the plurality of first connecting blocks being arranged at intervals along a circumferential direction of the first connecting tube; the one end that the second connecting pipe deviates from the main part is provided with a plurality of second connecting blocks, and is a plurality of the second connecting block is followed the circumference interval setting of second connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003040.0U CN219208356U (en) | 2022-11-10 | 2022-11-10 | Spiral blood transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003040.0U CN219208356U (en) | 2022-11-10 | 2022-11-10 | Spiral blood transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219208356U true CN219208356U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223003040.0U Active CN219208356U (en) | 2022-11-10 | 2022-11-10 | Spiral blood transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219208356U (en) |
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2022
- 2022-11-10 CN CN202223003040.0U patent/CN219208356U/en active Active
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