CN218106543U - Blood purification double-cavity central venous catheter with sac - Google Patents
Blood purification double-cavity central venous catheter with sac Download PDFInfo
- Publication number
- CN218106543U CN218106543U CN202220689170.5U CN202220689170U CN218106543U CN 218106543 U CN218106543 U CN 218106543U CN 202220689170 U CN202220689170 U CN 202220689170U CN 218106543 U CN218106543 U CN 218106543U
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- Prior art keywords
- catheter
- tube
- water injection
- pipe
- arterial
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- 239000008280 blood Substances 0.000 title claims abstract description 15
- 210000004369 blood Anatomy 0.000 title claims abstract description 15
- 238000000746 purification Methods 0.000 title claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 210000001367 artery Anatomy 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims description 21
- 230000037431 insertion Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 210000003462 vein Anatomy 0.000 claims description 4
- 238000011282 treatment Methods 0.000 abstract description 19
- 230000002792 vascular Effects 0.000 abstract description 13
- 238000010030 laminating Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 13
- 210000004204 blood vessel Anatomy 0.000 description 12
- 210000003128 head Anatomy 0.000 description 11
- 208000007536 Thrombosis Diseases 0.000 description 5
- 230000017531 blood circulation Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 206010057469 Vascular stenosis Diseases 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
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Abstract
The utility model provides a take blood purification two-chamber central venous catheter of utricule, including the insert tube with respectively with the arterial line and the venous line of insert tube intercommunication, the tip of insert tube inner is equipped with the venous end, be equipped with arterial end on the lateral wall of insert tube inner, one side that the insert tube set up arterial end still is equipped with the utricule that can expand or contract, the utricule sets up the below at arterial end, the utricule is fixed on the outer wall of insert tube, the side intercommunication of utricule has the water injection pipe, the water injection pipe is fixed on the insert tube outer wall, the outer end of water injection pipe extends to outside the venous line or the arterial line. The utility model discloses can reduce the probability that the insert tube adsorbs on the vascular wall at the treatment in-process, reduce the probability of artery end laminating on the vascular wall, improve treatment.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to take blood purification two-chamber central venous catheter of utricule.
Background
The central venous catheter without the tunnel and the polyester sleeve is a temporary vascular access for implementing various blood purification treatments, and comprises a single-lumen catheter, a double-lumen catheter and a three-lumen catheter, wherein the double-lumen catheter is most commonly used at present, the existing double-lumen central venous catheter comprises an insertion tube inserted into the body of a patient, and an arterial tube and a venous tube which are arranged outside a human body and communicated with the insertion tube, the insertion tube is provided with an arterial end and a venous end, the arterial end is a side hole formed in the side wall of the insertion tube, the arterial end is a blood outflow port, blood to be purified flows out of the arterial end into the arterial tube, the driven vessel flows into a treatment instrument, sufficient blood flow is required to meet the requirements of the blood purification treatments, the venous end is the tip end of the inner end of the insertion tube, the venous end is a treated blood inflow port, relatively clean blood flows in from the venous tube and then flows back into the body of the patient through the venous end, and the problem of the recirculation of the patient is solved by the central venous catheter. However, when the catheters are used for hemodialysis treatment, one side of the insertion tube of a part of patients, which is provided with an arterial end, is easy to be adsorbed on a blood vessel wall, and a side hole of the arterial end is attached to the blood vessel wall, so that the blood flow required by blood purification cannot be met, and the treatment effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a take blood purification two-chamber central venous catheter of utricule, solves above-mentioned some patient's insert tube and sets up one side of artery end and easily adsorb on the vascular wall, and the laminating of artery end side opening is on the vascular wall, can't satisfy the blood flow that blood purification needs, influences treatment's technical problem.
The utility model discloses the technical scheme who takes does:
the utility model provides a take blood purification two-chamber central venous catheter of utricule, including the insert tube with respectively with artery pipe and the venous duct of insert tube intercommunication, the tip of insert tube inner is the venous end, be equipped with arterial end on the lateral wall of insert tube inner, one side that the insert tube set up arterial end still is equipped with the utricule that can expand or contract, the utricule sets up the below at arterial end, the utricule is fixed on the outer wall of insert tube, the side intercommunication of utricule has the water injection pipe, the water injection pipe is fixed on the insert tube outer wall, the outer end of water injection pipe extends to outside the venous duct or the arterial duct.
The upper part of the water injection pipe is fixed on the outer wall of the vein pipe or the outer wall of the artery pipe.
The venous catheter or the arterial catheter is fixed with a horizontal installation head, the installation head is provided with a fixing hole for installing the venous catheter or the arterial catheter, the top of the water injection catheter is sequentially provided with an arc-shaped catheter and a horizontal catheter, the inner end of the horizontal catheter is communicated with the top of the water injection catheter through the arc-shaped catheter, and the horizontal catheter is installed at the bottom of the installation head.
The bottom of installation head is equipped with the draw-in groove, and the horizontal pipe joint is in the draw-in groove.
The outer end of the horizontal pipe is detachably provided with a sealing plug, the sealing plug is provided with a connecting belt, one end of the connecting belt is fixed on the sealing plug, and the other end of the connecting belt is fixed on the mounting head.
The water injection pipe, the arc pipe and the horizontal pipe are a pipe.
The distance from the top of the balloon to the bottom of the arterial end is denoted as a, and a ranges from 0.5 cm to 0.8 cm.
The outer wall of the insertion pipe is provided with a mounting groove matched with the inner side of the water injection pipe.
The utility model discloses can be in the treatment process, reduce the probability that one side that the insert tube set up artery end adsorbs on the vascular wall, reduce the probability of artery end laminating on the vascular wall, improve treatment, when using, the sacculus sets up in the human body along with the insert tube, the artery, the outer end of vein pipe and water injection pipe sets up outside the human body, when needs are treated, can use the syringe, earlier inject a certain amount of normal saline to the utricule through the water injection pipe, the utricule inflation, make the interval between artery end and the vascular wall, reduce the probability of artery end laminating on the vascular wall, reduce the formation of thrombus, improve treatment, after the treatment, come normal saline from the water injection pipe outer end, be favorable to protecting the blood vessel, effectively reduce extraction utricule and blood vessel adhesion, also can reduce thrombus formation, if the insert tube application time is longer, can arouse the vascular stenosis, easily lead to the insert tube laminating at the vascular inner wall, when the treatment finishes, when needing to pull out the insert tube, also can pour into certain normal saline into to the utricule earlier, the utricule inflation, insert tube and separation, keep taking out the normal saline after a few minutes, can reduce the probability of life and pull out, the life tube and reduce the risk of being convenient for life, the life and reduce the friction and reduce the risk that the patient and drop.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a partial structure of the present invention.
Detailed Description
As shown in fig. 1 and 2, a blood purification double-lumen central venous catheter with a balloon, including an insertion tube 2 and an arterial tube 6 and a venous tube 7 respectively communicated with the insertion tube 2, the end part of the inner end of the insertion tube 2 is a venous end 1, an arterial end 4 is arranged on the side wall of the inner end of the insertion tube 2, the inner end of the insertion tube 2 refers to one end inserted into a human body, the arterial end is a side hole formed on the side wall of the insertion tube, which is the prior art, and is not described herein any more, one side of the insertion tube 2 where the arterial end 4 is arranged is further provided with a balloon 3 capable of expanding or contracting, the balloon 3 is preferably made of elastic material, the balloon 3 is arranged below the arterial end 4, the balloon 3 is fixed on the outer wall of the insertion tube 2, the side of the balloon 3 is communicated with a water injection tube 5, the water injection tube 5 is fixed on the outer wall of the insertion tube 2, and the outer end of the water injection tube 5 extends out of the venous tube 7 or out of the arterial tube 6.
The upper portion of the water injection tube 5 is fixed to the outer wall of the venous tube 7 or to the outer wall of the arterial tube 6, that is, the upper portion of the water injection tube 5 is fixed to the outer wall of the venous tube 7 when the water injection tube 5 extends out of the venous tube 7, the upper portion of the water injection tube 5 is fixed to the outer wall of the arterial tube 6 when the water injection tube 5 extends out of the arterial tube 6, and the upper portion of the water injection tube 5 is fixed to the outer wall of the venous tube 7 in fig. 2.
A horizontal mounting head 10 is fixed on the venous tube 7 or the arterial tube 6, a fixing hole for mounting the venous tube 7 or the arterial tube 6 is formed in the mounting head 10, an arc-shaped tube 8 and a horizontal tube 9 are sequentially arranged at the top of the water injection tube 5, the inner end of the horizontal tube 9 is communicated with the top of the water injection tube 5 through the arc-shaped tube 8, and the horizontal tube 9 is mounted at the bottom of the mounting head 10 and is convenient for injecting physiological saline into the water injection tube 5 through the horizontal tube 9.
The bottom of installation head 10 is equipped with draw-in groove 13, and the joint of horizontal pipe 9 is in draw-in groove 13, and the installation of being convenient for also is convenient for take out horizontal pipe 9 from draw-in groove 13 according to the injection needs, is convenient for to the injection normal saline in the water injection pipe 5.
The horizontal tube 9 may be fixed directly to the bottom of the mounting head 10.
The water injection pipe 5, the arc pipe 8 and the horizontal pipe 9 are one pipe.
The distance from the top of the balloon 3 to the bottom of the arterial end 4 is denoted a, and a ranges from 0.5 cm to 0.8 cm.
The outer wall of the insert pipe 2 is provided with a mounting groove matched with the inner side of the water injection pipe 5, and the shape of the mounting groove is matched with the shape of the inner side of the water injection pipe 5, so that the tube insertion is facilitated.
The utility model can reduce the probability that one side of the inserting tube 2 provided with the artery end 4 is adsorbed on the blood vessel wall and reduce the probability that the artery end 4 is attached on the blood vessel wall in the treatment process, thereby improving the treatment effect, when in use, the saccule is arranged in the human body along with the inserting tube 2, the outer ends of the artery tube 6, the vein tube 7 and the water injection tube 5 are arranged outside the human body, when in need of treatment, the injector can be used, firstly a certain amount of normal saline is injected to the utricule 3 through the water injection tube 5, in the embodiment, a milliliter of normal saline is injected at the moment, the utricule 3 expands, so that an interval is arranged between the artery end 4 and the blood vessel wall, thereby reducing the probability that the artery end 4 is attached on the blood vessel wall, reducing the formation of thrombus, improving the treatment effect, after the treatment is finished, draw out normal saline from 5 outer ends of water injection pipe, be favorable to protecting the blood vessel, effectively reduce utricule 3 and blood vessel adhesion, also can reduce thrombosis, if 2 application times of intubate are longer, can cause the blood vessel stenosis, easily lead to 2 laminatings of intubate at the blood vessel inner wall, when the treatment finishes, when needing to pull out intubate 2, also can pour into certain normal saline into to utricule 3 earlier, in this embodiment, inject two milliliters's normal saline this moment, 3 inflation of utricule, intubate 2 and vascular wall separation, keep taking out normal saline after a few minutes, carry out the extubation again, can reduce the probability that intubate 2 adsorbs on the vascular wall, reduce the friction of intubate 2 and vascular wall, be convenient for extubation, reduce the thrombus risk of droing, provide the guarantee for patient life safety.
The shape of the capsule 3 may be a sphere, a cube, a cuboid, etc., and when the capsule 3 is a sphere, after injecting one milliliter of physiological saline into the capsule 3, the inner diameter of the capsule 3 is about five millimeters.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (6)
1. The utility model provides a take blood purification two-chamber central venous catheter of utricule, includes the insert tube and respectively with the arterial line and the venous line of insert tube intercommunication, the tip that the insert tube is the venous end, is equipped with arterial end, its characterized in that on the lateral wall of insert tube inner: the side of the insertion tube, which is provided with the artery end, is also provided with a bag body which can be expanded or contracted, the bag body is arranged below the artery end, the bag body is fixed on the outer wall of the insertion tube, the side surface of the bag body is communicated with a water injection tube, the water injection tube is fixed on the outer wall of the insertion tube, and the outer end of the water injection tube extends out of the vein or the artery; the upper part of the water injection pipe is fixed on the outer wall of the venous pipe or the outer wall of the arterial pipe;
the venous catheter or the arterial catheter is fixed with a horizontal installation head, the installation head is provided with a fixing hole for installing the venous catheter or the arterial catheter, the top of the water injection catheter is sequentially provided with an arc-shaped catheter and a horizontal catheter, the inner end of the horizontal catheter is communicated with the top of the water injection catheter through the arc-shaped catheter, and the horizontal catheter is installed at the bottom of the installation head.
2. The valved blood-purifying dual-lumen central venous catheter of claim 1, wherein: the bottom of installation head is equipped with the draw-in groove, and the horizontal pipe joint is in the draw-in groove.
3. The valved blood-purifying dual-lumen central venous catheter of claim 1, wherein: the outer end of the horizontal pipe is detachably provided with a sealing plug, the sealing plug is provided with a connecting belt, one end of the connecting belt is fixed on the sealing plug, and the other end of the connecting belt is fixed on the mounting head.
4. The valved blood-purifying dual-lumen central venous catheter of claim 1, wherein: the water injection pipe, the arc pipe and the horizontal pipe are a pipe.
5. The valved blood-purifying dual-lumen central venous catheter of claim 1, wherein: the distance from the top of the balloon to the bottom of the arterial end is denoted as a, and a ranges from 0.5 cm to 0.8 cm.
6. The valved blood-purifying dual-lumen central venous catheter of claim 1, wherein: the outer wall of the insertion pipe is provided with a mounting groove matched with the inner side of the water injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220689170.5U CN218106543U (en) | 2022-03-28 | 2022-03-28 | Blood purification double-cavity central venous catheter with sac |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220689170.5U CN218106543U (en) | 2022-03-28 | 2022-03-28 | Blood purification double-cavity central venous catheter with sac |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218106543U true CN218106543U (en) | 2022-12-23 |
Family
ID=84495042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220689170.5U Expired - Fee Related CN218106543U (en) | 2022-03-28 | 2022-03-28 | Blood purification double-cavity central venous catheter with sac |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218106543U (en) |
-
2022
- 2022-03-28 CN CN202220689170.5U patent/CN218106543U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |