CN213312274U - Arteriovenous indwelling needle sleeve for hemodialysis puncture - Google Patents
Arteriovenous indwelling needle sleeve for hemodialysis puncture Download PDFInfo
- Publication number
- CN213312274U CN213312274U CN202022056911.XU CN202022056911U CN213312274U CN 213312274 U CN213312274 U CN 213312274U CN 202022056911 U CN202022056911 U CN 202022056911U CN 213312274 U CN213312274 U CN 213312274U
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- Prior art keywords
- pipe
- negative pressure
- needle
- pressure infusion
- indwelling needle
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- 238000001631 haemodialysis Methods 0.000 title claims abstract description 32
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 32
- 238000001802 infusion Methods 0.000 claims abstract description 42
- 210000003462 vein Anatomy 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920001195 polyisoprene Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 210000001367 artery Anatomy 0.000 claims description 3
- 239000008280 blood Substances 0.000 abstract description 20
- 210000004369 blood Anatomy 0.000 abstract description 20
- 208000007536 Thrombosis Diseases 0.000 abstract description 8
- 230000002439 hemostatic effect Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000003434 inspiratory effect Effects 0.000 abstract description 2
- 238000000502 dialysis Methods 0.000 description 7
- 239000003814 drug Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000001467 acupuncture Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 206010016717 Fistula Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 239000002874 hemostatic agent Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a vein detaining needle pipe sleeve for hemodialysis puncture, connect including pipe, pipe seat, clamp pipe, connecting pipe and negative pressure infusion and constitute, the pipe from left to right be connected with pipe seat, clamp pipe, connecting pipe and negative pressure infusion joint in proper order, just the one end that the negative pressure infusion connects is provided with an extension pipe, extension pipe be connected with the connecting pipe, there is a screw thread mouth on its negative pressure infusion connects the other end, be provided with one in the screw thread mouth and keep somewhere the needle gasket, keep somewhere the needle gasket and fix in the screw thread mouth that the negative pressure infusion connects to connect sealed with the negative pressure infusion. Its advantages are: the utility model discloses can reduce the inspiratory potential danger of air, avoid the condition of blood backward flow formation thrombus to take place to can the lug connection pipeline, draw blood, dose, need not to get the hemostatic forceps again and carry out the conventional operation of dialyzing to the pipe, also alleviateed medical personnel's work burden like this, improved the efficiency of work.
Description
Technical Field
The utility model belongs to the technical field of hemodialysis technique and specifically relates to a arteriovenous indwelling needle pipe box that hemodialysis puncture was used.
Background
At present, an intravenous and venous indwelling needle is commonly used in clinical hemodialysis. When a vein is flushed or administered in the operation process, the vein internal fistula indwelling needle needs to be clamped by a tool and then replaced by other operations, the vein can not be flushed or medicine can not be supplemented while hemodialysis is carried out, and the operation process is complex.
And current vein indwelling needle, the puncture operation is complicated, it is consuming time more, the nurse when injecting anticoagulant and vascular tube coupling and disconnection, the phenomenon of blood leakage takes place easily, and when ending dialysis catheter sealing or pulling out the needle, it forms the thrombus to return the needle tube because of blood easily, lead to indwelling needle jam, increase patient's misery and economic burden, increase the work load of nursing, and when trading other liquid medicines injections again, still need to prick the pipe to the patient once more, increase patient's painful sense, influence patient's treatment.
The Chinese patent application: CN210933019U discloses needle is kept somewhere with artery and vein to hemodialysis puncture, including the pipe, be equipped with flow control mechanism on the pipe, flow control mechanism includes the locating piece, the locating piece side is equipped with the through hole, screw thread through-hole female connection has the screw thread post, the pipe top is equipped with liner protection mechanism. The device is mainly through setting up flow control mechanism on the pipe, and then solves and keep somewhere needle silica gel pipe part too short, lead to the machine to draw blood before with blood vessel pincers clip this part when inconvenient problem, but the device need make a round trip to adjust flow control mechanism when in actual use, it is very troublesome, the medical personnel's that not only increase work load, medical operation made a round trip also brought psychological influence for patient's treatment moreover, consequently use certain drawback in addition.
In view of the above, there is a need for an arteriovenous indwelling needle cannula for hemodialysis puncture that has a simple structure and is easy to operate, can directly connect a line and automatically rebound after the line is pulled out, can prevent blood from flowing back, and can improve comfort of a patient.
Disclosure of Invention
The utility model aims at connecting through setting up the negative pressure infusion, and then can the lug connection pipeline, draw blood, dose, need not to get the hemostatic forceps again and carry out the conventional operation of dialyzing to the pipe to keep somewhere the automatic resilience after the needle gasket realizes pulling out the needle through the setting, with the risk that reduces the air admission, prevent that the condition of blood backward flow from taking place, its arteriovenous indwelling needle pipe box that specifically provides a hemodialysis puncture usefulness.
In order to achieve the purpose, the utility model adopts the technical proposal that:
the utility model provides an artery and vein detaining needle pipe sleeve that hemodialysis puncture used, the needle pipe sleeve of keeping somewhere include that pipe, pipe seat, clamp tube, connecting pipe and negative pressure infusion connect to constitute, the pipe from left to right in proper order with pipe seat, clamp tube, connecting pipe and negative pressure infusion connect to be connected, just one end that negative pressure infusion connects is provided with an extension pipe, the extension pipe be connected with the connecting pipe, there is a screw thread mouth on its negative pressure infusion connects the other end, be provided with a needle gasket of keeping somewhere in the screw thread mouth, the needle gasket of keeping somewhere fix in the screw thread mouth that negative pressure infusion connects to connect to seal negative pressure infusion.
In the above-mentioned arteriovenous indwelling needle sheath for hemodialysis puncture, as a preferable aspect, a groove hole is provided in the indwelling needle spacer, and a spring post for holding an indwelling needle is provided in the groove hole.
In the above-mentioned arteriovenous indwelling needle sheath for hemodialysis puncture, as a preferable aspect, the diameter of the groove hole is 0.1 to 0.5 cm.
In the arteriovenous indwelling needle cannula for hemodialysis puncture described above, as a preferable aspect, the material of the indwelling needle gasket may be made of polyisoprene rubber.
In the above-described arteriovenous indwelling needle hub for hemodialysis puncture, as a preferable mode, the indwelling needle gasket is capable of automatically performing resilient sealing after the puncture needle is pulled out.
In the arteriovenous indwelling needle cannula for hemodialysis puncture described above, as a preferable aspect, the negative pressure infusion connector is further provided with anti-slip ribs.
The utility model has the advantages that:
1. the utility model discloses simple structure, convenient operation, the practicality is strong, can the lug connection pipeline, draw blood, dose, need not to get the hemostatic forceps again and carry out the conventional operation of dialyzing to the pipe, solved keep somewhere needle silica gel pipe part too short, lead to the machine to draw blood before and with the vascular forceps when cliping this part inconvenient problem.
2. The utility model discloses can reduce the inspiratory potential danger of air, avoid the condition of blood backflow formation thrombus to take place, also reduce patient's painful sense simultaneously, improve patient's comfort level, alleviate medical personnel's work burden, improve the efficiency of work.
3. The utility model discloses in the setting of anti-skidding rib on the negative pressure infusion connects can make things convenient for medical personnel to carry out the arteriovenous puncture to the patient, increases the friction area that finger position and negative pressure infusion connect, also makes things convenient for medical personnel to pull out after the needle simultaneously and is connected fixedly with other infusion set once more, has improved the fixed security of medical personnel, has avoided the unnecessary slippage to take place to cause the injury for the patient.
Drawings
FIG. 1 is a schematic structural view of an arteriovenous indwelling needle cannula sleeve for hemodialysis puncture in the present invention.
FIG. 2 is a schematic partial cross-sectional view of a negative pressure infusion connector on an arteriovenous indwelling needle cannula sleeve for hemodialysis puncture in the present invention.
FIG. 3 is a schematic partial cross-sectional view (I) of the needle-retaining gasket spring post in the negative pressure infusion connector of the present invention when it is contracted.
FIG. 4 is a schematic sectional view (II) of the needle gasket spring post retained in the negative pressure infusion joint of the present invention when it is rebounded and closed.
Fig. 5 is a schematic view (one) of the specific implementation structure of the arteriovenous indwelling needle sheath for hemodialysis puncture in the present invention.
Fig. 6 is a schematic view (two) of the specific implementation structure of the arteriovenous indwelling needle sleeve for hemodialysis puncture in the present invention.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and such equivalents also fall within the scope of the appended claims.
The reference numerals and components referred to in the drawings are as follows:
1. guide pipe 2, guide pipe seat 3, clamping pipe
4. Connecting pipe 5, negative pressure transfusion joint 6, extension pipe
7. Threaded opening 8, indwelling needle gasket 9, slotted hole
10. Spring post 11. antiskid rib
Embodiment 1 an arteriovenous indwelling needle sheath for hemodialysis puncture
Referring to fig. 1-6, fig. 1 is a schematic structural view of an arteriovenous indwelling needle sleeve for hemodialysis puncture according to the present invention. FIG. 2 is a schematic partial cross-sectional view of a negative pressure infusion connector on an arteriovenous indwelling needle cannula sleeve for hemodialysis puncture in the present invention. FIG. 3 is a schematic partial cross-sectional view (I) of the needle-retaining gasket spring post in the negative pressure infusion connector of the present invention when it is contracted. FIG. 4 is a schematic sectional view (II) of the needle gasket spring post retained in the negative pressure infusion joint of the present invention when it is rebounded and closed. Fig. 5 is a schematic view of the specific implementation structure of the arteriovenous indwelling needle sleeve for hemodialysis puncture in the present invention. Fig. 6 is a schematic view (two) of the specific implementation structure of the arteriovenous indwelling needle sleeve for hemodialysis puncture in the present invention.
The device mainly replaces a luer connector in the prior device by arranging a negative pressure transfusion connector, so that the device can be directly connected with a pipeline, draw blood and feed medicine, does not need to take the conventional operation of taking a hemostatic forceps to dialyze a catheter, realizes automatic resilience after needle pulling by arranging an indwelling needle gasket, reduces the risk of air entering, and prevents the occurrence of the condition of thrombus formed by blood backflow, and particularly provides an arteriovenous indwelling needle sleeve for hemodialysis puncture, which comprises a catheter 1, a catheter seat 2, a clamping tube 3, a connecting tube 4 and a negative pressure transfusion connector 5, wherein the catheter 1 is sequentially connected with the catheter seat 2, the clamping tube 3, the connecting tube 4 and the negative pressure transfusion connector 5 from left to right, one end of the negative pressure transfusion connector 5 is provided with an extension tube 6, the extension tube 6 is connected with the connecting tube 4, and the other end of the negative pressure transfusion connector 5 is provided with a threaded port 7, a remaining needle gasket 8 is arranged in the threaded opening 7, and the remaining needle gasket 8 is fixed in the threaded opening 7 of the negative pressure infusion joint 5 and seals the negative pressure infusion joint 5.
In this embodiment, it is preferable that the indwelling needle spacer 8 is provided inside with a slot 9, the slot 9 is provided inside with a spring post 10 for holding the indwelling needle, the slot 9 is used for inserting the acupuncture device, the spring post inside the slot 9 is used for controlling the opening and closing of the slot 9, the technology is related to a part of the luer connector connecting device of the prior art, and the material and principle of the device are also described in the prior art, which will not be described herein.
In this embodiment, preferably, the diameter of the slot hole 9 is 0.1-0.5cm, and the diameter of the slot hole 9 on the gasket can be set to different sizes according to requirements, so as to connect an indwelling needle, an infusion needle cylinder and other medical infusion devices, meet the requirements of daily infusion and dialysis treatment of a patient, reduce the pain of the patient due to multiple punctures, improve the comfort level of infusion or dialysis treatment, and reduce the workload of medical care personnel.
In this embodiment, the retaining needle pad 8 is preferably made of polyisoprene rubber, which has low resistance, facilitates the puncture and injection of the injection needle, and reduces puncture debris, and the material thereof can be referred to a polyisoprene rubber retaining needle pad disclosed in patent publication No. CN 111087657A.
In this embodiment, it is preferable that the indwelling needle gasket 8 can automatically rebound and seal after the puncture needle is pulled out, when the indwelling needle is placed in the groove hole 9 between the indwelling needle gaskets 8, the spring column inside the groove hole is squeezed and retracted, when the indwelling needle is pulled out, the external resistance which the spring column does not have automatically rebounds to seal the groove hole, this arrangement can prevent blood from flowing back into the needle to form thrombus, avoid the thrombus from blocking the indwelling needle, and it is not necessary to take the hemostatic forceps to clamp the catheter, it solves the problem that the existing indwelling needle silica gel catheter is too short, which causes inconvenience when the catheter is clamped by the vascular forceps before the blood is introduced into the machine, and it can also separate the routine operation of dialysis from the pipeline at will, avoid the risk of blood leakage, reduce the adverse events of nursing, and facilitate the operation of nurse for sealing the catheter or pulling the needle for the patient when the hemodialysis treatment is finished, the workload of medical staff is reduced.
In this embodiment, it is preferred negative pressure infusion connect 5 on still be provided with anti-skidding rib 11, the setting of anti-skidding rib 11 can make things convenient for medical personnel to carry out the arteriovenous puncture to the patient, increases the friction area who points position and negative pressure infusion and connect, also makes things convenient for medical personnel to pull out again after the needle and be connected fixedly with other infusion or dialysis device simultaneously, has improved medical personnel's fixed security, has avoided the unnecessary slippage to take place to cause the injury for the patient.
The utility model discloses a use method: firstly, the operation is carried out in a sterile environment, firstly, the acupuncture device is assembled, the device with the puncture needle penetrates through an indwelling needle gasket in a negative pressure infusion joint of the device, at the moment, the puncture needle penetrates through a slotted hole in the indwelling needle gasket, and a spring column positioned in the slotted hole shrinks and fixes the puncture needle after being subjected to external pressure; then the needle seat of the needle tube is held by hand to puncture the target part, and when the blood flows into the blood return part, the successful insertion of the catheter into the blood vessel can be confirmed; then holding the pipe sleeve by one hand, pulling out the needle tube by the other hand, and after the needle tube is pulled out, rebounding and contracting the spring column positioned in the indwelling needle gasket to close the slotted hole; after the hemodialysis treatment of the patient is finished, when the tube needs to be sealed or other liquid medicines need to be input, the connecting device only needs to be inserted into the slotted hole in the remaining needle gasket, so that the pain of the secondary puncture of the patient is reduced, and the comfort level of the patient is improved.
It should be noted that: the utility model has simple structure and convenient operation, and replaces luer joint in the prior device by arranging the negative pressure transfusion joint, so that the device can be directly connected with a pipeline, draw blood and feed medicine without taking the conventional operation of the hemostat to dialyze the catheter, and realizes automatic resilience after needle extraction by arranging the remaining needle gasket so as to reduce the risk of air entering and prevent the occurrence of the condition of blood backflow and thrombus formation; the structural shapes of the catheter tube, the catheter seat, the clamping tube and the connecting mode among the structural shapes are disclosed in the prior art and are common knowledge, and the description is omitted, and the rebound device in the indwelling needle gasket in the device is also related to some technologies, so the description is omitted; the device can reduce the potential risk of air inhalation, avoid the occurrence of thrombus formation caused by blood backflow, reduce the pain of the patient, improve the comfort of the patient, reduce the fixing burden of medical personnel and improve the working efficiency; and the device can also be set to different specifications and sizes as required to match with more infusion dialysis pipelines, meet the requirements of medical infusion or dialysis treatment technologies, have wide application prospect clinically, and is favorable for popularization and use.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an artery and vein detaining needle pipe box for hemodialysis puncture, its characterized in that, the needle pipe box of keeping somewhere include pipe, pipe seat, clamping tube, connecting pipe and negative pressure infusion connect and constitute, the pipe from left to right in proper order with pipe seat, clamping tube, connecting pipe and negative pressure infusion connect be connected, just one end of negative pressure infusion connect is provided with an extension pipe, the extension pipe be connected with the connecting pipe, there is a screw thread mouth on its negative pressure infusion connects the other end, be provided with a needle gasket of keeping somewhere in the screw thread mouth, the needle gasket of keeping somewhere fix in the screw thread mouth of negative pressure infusion connects to negative pressure infusion connects seals.
2. The arteriovenous indwelling needle sheath for hemodialysis puncture according to claim 1, wherein a groove hole is formed in the indwelling needle pad, and a spring post for holding an indwelling needle is provided in the groove hole.
3. The arteriovenous indwelling needle sheath for hemodialysis puncture according to claim 2, wherein the diameter of the groove hole is 0.1 to 0.5 cm.
4. The arteriovenous indwelling needle sheath according to claim 1, wherein the indwelling needle pad is made of polyisoprene rubber.
5. The arteriovenous indwelling needle hub for hemodialysis puncture according to claim 1, wherein the indwelling needle gasket is capable of automatically resilient sealing after the puncture needle is withdrawn.
6. The arteriovenous indwelling needle cannula of claim 1, wherein the negative pressure infusion connector is further provided with anti-slip ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022056911.XU CN213312274U (en) | 2020-09-18 | 2020-09-18 | Arteriovenous indwelling needle sleeve for hemodialysis puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022056911.XU CN213312274U (en) | 2020-09-18 | 2020-09-18 | Arteriovenous indwelling needle sleeve for hemodialysis puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213312274U true CN213312274U (en) | 2021-06-01 |
Family
ID=76065678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022056911.XU Expired - Fee Related CN213312274U (en) | 2020-09-18 | 2020-09-18 | Arteriovenous indwelling needle sleeve for hemodialysis puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213312274U (en) |
-
2020
- 2020-09-18 CN CN202022056911.XU patent/CN213312274U/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: 20210601 |