CN213406044U - Internal fistula needle blood sampling connecting device - Google Patents
Internal fistula needle blood sampling connecting device Download PDFInfo
- Publication number
- CN213406044U CN213406044U CN202021984222.9U CN202021984222U CN213406044U CN 213406044 U CN213406044 U CN 213406044U CN 202021984222 U CN202021984222 U CN 202021984222U CN 213406044 U CN213406044 U CN 213406044U
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- CN
- China
- Prior art keywords
- negative pressure
- internal fistula
- needle
- blood
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 206010016717 Fistula Diseases 0.000 title claims abstract description 49
- 230000003890 fistula Effects 0.000 title claims abstract description 49
- 238000010241 blood sampling Methods 0.000 title claims abstract description 21
- 239000008280 blood Substances 0.000 claims abstract description 37
- 210000004369 blood Anatomy 0.000 claims abstract description 37
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 208000007536 Thrombosis Diseases 0.000 claims description 11
- 230000000740 bleeding effect Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 abstract description 5
- 206010011409 Cross infection Diseases 0.000 abstract description 3
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 238000011282 treatment Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000001631 haemodialysis Methods 0.000 description 3
- 230000000322 hemodialysis Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010028024 Mouth haemorrhage Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model discloses an internal fistula needle blood sampling connecting device, including internal fistula joint, connecting pipe, negative pressure pipe syringe needle, internal fistula joint and negative pressure pipe syringe needle set up at the connecting pipe both ends, and internal fistula joint is including protecting skin, inner union and magnetism suction cover, and magnetism suction cover sets up in the outer outside of protection, and negative pressure pipe syringe needle bottom is provided with the protective sheath, the protective sheath divide into two halves, and every half bottom is connected through pivot and negative pressure pipe syringe needle bottom, and the protective sheath can revolute the axle closure and open to both sides. The utility model discloses can protect internal fistula needle end not contaminated when taking a blood sample, medical personnel mistake when can avoiding taking a blood sample touches the negative pressure pipe syringe needle that has blood, leads to cross infection. The protective sleeve of the magnetic attraction cover and the negative pressure tube needle head can prevent a cleaner from mistakenly touching the connector with blood to cause disease infection after the connecting device is discarded, the magnetic attraction design cost is low, and the use is convenient and quick. The one-way valve plate can avoid the outflow of residual blood in the connecting pipe, and ensure the safety of medical treatment and health.
Description
Technical Field
The utility model relates to a blood sampling technical field, concretely relates to internal fistula needle blood sampling connecting device.
Background
Hemodialysis is one of the kidney replacement therapy modes of patients with acute and chronic renal failure, and the hemodialysis patients need to perform blood drawing examination at least once every three months according to the regulation of a blood purification Standard Operating Protocol (SOP), such as: blood routine, renal function, blood biochemistry, and the like. Hemodialysis patients have many hidden dangers and inconveniences during blood sampling before treatment. There are generally two methods for blood collection of a patient prior to treatment: one is to take blood by a blood taking needle on one side of limb (non-fistula side) like a common patient, and is a secondary puncture; another method is that after the puncture of the internal fistula is successful, a disposable syringe is used to connect an arteriovenous puncture needle for dialysis for blood sampling, then the needle head of the disposable syringe is sleeved back, and the collected blood is injected into a vacuum blood sampling test tube. The second method is widely adopted clinically at present for blood sampling. The method has a plurality of defects, firstly, the whole blood sampling process is in an open environment, blood pollution is caused by air and spray, and the tail end connector of the internal fistula puncture needle is easy to be polluted because of exposure; secondly, when the disposable syringe needle is sleeved back and blood is injected into the vacuum blood collection tube, the puncture wound is easy to occur; thirdly, the method takes a long time to collect blood, and blood in the internal fistula puncture needle is easy to coagulate and form thrombus.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, designed an internal fistula needle blood sampling connecting device.
In order to solve the above technical problem and achieve the above technical effect, the utility model discloses a following technical content realizes:
a blood sampling connecting device for an internal fistula needle comprises an internal fistula joint, a connecting pipe and a negative pressure pipe needle head, wherein the internal fistula joint and the negative pressure pipe needle head are arranged at two ends of the connecting pipe;
the internal fistula joint comprises a protective outer layer, an internal connecting pipe, a thrombus filter screen and a magnetic suction cover, wherein the internal connecting pipe is arranged in the center of the protective outer layer and is communicated with the connecting pipe, the thrombus filter screen is arranged at the joint of the internal fistula joint and the connecting pipe, and the magnetic suction cover is connected to the outer side of the protective outer layer through a plastic connecting strip;
the negative pressure pipe syringe needle bottom is provided with the protective sheath, the protective sheath divide into two halves, and every half bottom is connected with negative pressure pipe syringe needle bottom through the pivot, and the protective sheath can revolute the pivot closed and open to both sides.
Further, the top of the protective outer layer is provided with a magnet, and the closed surface of the protective sleeve is provided with the magnet.
Furthermore, the end of the inner connecting pipe and the tail end of the negative pressure pipe needle bleeding opening are provided with one-way valve plates.
The utility model has the advantages that:
(1) the utility model discloses an internal fistula connects and can protect internal fistula needle end not contaminated when taking a blood sample for double-deck design, and the internal fistula is connected and is provided with the magnetism simultaneously and inhales the lid, thereby can avoid using the front internal fistula to connect and pollute internal fistula needle end, cause the internal fistula to infect. The protective sleeve is arranged on the outer side of the needle head of the negative pressure tube, so that the needle head of the negative pressure tube can be prevented from being polluted before blood sampling, and medical staff can be prevented from mistakenly touching the needle head of the negative pressure tube with blood during blood sampling to cause cross infection.
(2) The utility model discloses a protective sheath of lid and negative pressure pipe syringe needle is inhaled to magnetism on internal fistula connects can prevent that connecting device from abandoning back cleanup crew mistake and touching the joint that has blood and causing the disease infection, and magnetism is inhaled the low convenient to use of design cost and is swift. Compared with the traditional internal fistula blood sampling mode, the blood sampling device avoids the condition of puncture injury, reduces the blood sampling time and can avoid the blood coagulation condition.
(3) The utility model discloses set up internal connection pipe end and negative pressure pipe syringe needle end and be provided with one-way valve block and need just can open under the negative pressure condition, can avoid the interior remaining blood of connecting pipe to flow out, be provided with the thrombus filter screen on the internal fistula connects and can filter the thrombus, guarantee medical health safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the entire structure of a blood collection connector;
FIG. 2 is a schematic view showing an expanded structure of the blood collecting connector.
In the drawings, the components represented by the respective reference numerals are listed below:
1-internal fistula joint, 11-protective outer layer, 12-internal connecting tube, 13-magnetic suction cover, 14-thrombus filter screen, 2-connecting tube, 3-negative pressure tube needle head and 31-protective sleeve.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the internal fistula needle blood sampling connecting device comprises an internal fistula joint 1 connected with the tail end of an internal fistula needle, a connecting pipe 2 for draining blood, and a negative pressure tube needle 3 connected with a negative pressure tube, wherein the internal fistula joint 1 and the negative pressure tube needle 3 are arranged at two ends of the connecting pipe 2; the internal fistula joint 1 comprises a protective outer layer 11 for preventing the tail end of an internal fistula needle from being polluted, an inner connecting tube 12 connected with the tail end of the internal fistula needle for leading blood, a magnetic suction cover 13 for preventing the internal fistula joint 1 from being polluted and a thrombus filter screen 14 for preventing thrombus from entering a blood collection tube, wherein the inner connecting tube 12 is arranged in the center of the protective outer layer 11 and communicated with a connecting tube 2 for leading blood, a one-way valve plate is arranged at the end part of the inner connecting tube 12 and can be opened inwards under the negative pressure action of a negative pressure tube for preventing blood from flowing outwards, a magnet arranged at the top of the protective outer layer 11 can be adsorbed with the magnetic suction cover 13, the thrombus filter screen 14 is arranged at the connecting part of the internal fistula joint 1 and the connecting tube 2, and the magnetic suction; the 3 bottoms of negative pressure pipe syringe needle are provided with protective sheath 31 and avoid external direct and negative pressure syringe needle contact, protective sheath 31 divide into two halves, and every half bottom is connected with 3 bottoms of negative pressure pipe syringe needle through the pivot, and protective sheath 31 can revolute the axle closure and open to both sides, is provided with the magnet on the closing surface of protective sheath 31 and conveniently opens and shuts, and negative pressure pipe syringe needle 3 bleeding mouth end is provided with one-way valve block and only needs just can open under the negative pressure effect, has improved the leakproofness of device, avoids remaining blood excessive.
The utility model discloses application during the use does:
during the use, open the magnetic suction lid 13 on the internal fistula connects 1 and the protective sheath 31 on the negative pressure pipe syringe needle 3, connect 1 and internal fistula needle end-to-end connection with the internal fistula, be connected negative pressure pipe syringe needle 3 and negative pressure pipe, alright begin the blood sampling, take off internal fistula after the blood sampling is accomplished in proper order and connect 1 and cover the magnetic suction lid 13, take off negative pressure pipe syringe needle 3 again and sheathe protective sheath 31 in after and can abandon the device in retrieving the garbage bin. The utility model discloses can protect internal fistula needle end not contaminated when taking a blood sample, medical personnel mistake when can avoiding taking a blood sample touches negative pressure pipe syringe needle 3 that has blood, leads to cross infection. The magnetic attraction cover 13 and the protective sleeve 31 of the negative pressure tube needle 3 can prevent the cleaner from mistakenly touching the connector with blood after the connecting device is discarded to cause disease infection, and the magnetic attraction design is low in cost and convenient and quick to use. The one-way valve plate can prevent residual blood in the connecting pipe 2 from flowing out, and medical health and safety are guaranteed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments 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 invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The utility model provides an internal fistula needle blood sampling connecting device, includes the device body, its characterized in that: the device body comprises an internal fistula joint, a connecting pipe and a negative pressure pipe needle head, wherein the internal fistula joint and the negative pressure pipe needle head are arranged at two ends of the connecting pipe; the internal fistula joint comprises a protective outer layer, an internal connecting pipe, a thrombus filter screen and a magnetic suction cover, wherein the internal connecting pipe is arranged in the center of the protective outer layer and is communicated with the connecting pipe, the thrombus filter screen is arranged at the joint of the internal fistula joint and the connecting pipe, and the magnetic suction cover is connected to the outer side of the protective outer layer through a plastic connecting strip; the negative pressure pipe syringe needle bottom is provided with the protective sheath, the protective sheath divide into two halves, and every half bottom is connected with negative pressure pipe syringe needle bottom through the pivot.
2. The internal fistula needle blood collection connecting device of claim 1, wherein: the top of the protective outer layer is provided with a magnet, and the closed surface of the protective sleeve is provided with a magnet.
3. The internal fistula needle blood collection connecting device of claim 1, wherein: and the end part of the inner connecting pipe and the tail end of the negative pressure pipe needle bleeding opening are provided with one-way valve plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021984222.9U CN213406044U (en) | 2020-09-11 | 2020-09-11 | Internal fistula needle blood sampling connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021984222.9U CN213406044U (en) | 2020-09-11 | 2020-09-11 | Internal fistula needle blood sampling connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213406044U true CN213406044U (en) | 2021-06-11 |
Family
ID=76262221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021984222.9U Expired - Fee Related CN213406044U (en) | 2020-09-11 | 2020-09-11 | Internal fistula needle blood sampling connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213406044U (en) |
-
2020
- 2020-09-11 CN CN202021984222.9U patent/CN213406044U/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: 20210611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |