CN211584646U - Transparent remaining needle with positive pressure air bag - Google Patents
Transparent remaining needle with positive pressure air bag Download PDFInfo
- Publication number
- CN211584646U CN211584646U CN202020040266.XU CN202020040266U CN211584646U CN 211584646 U CN211584646 U CN 211584646U CN 202020040266 U CN202020040266 U CN 202020040266U CN 211584646 U CN211584646 U CN 211584646U
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- Prior art keywords
- indwelling needle
- needle
- cavity
- end part
- positive pressure
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 abstract description 50
- 239000008280 blood Substances 0.000 abstract description 40
- 210000004369 blood Anatomy 0.000 abstract description 40
- 208000007536 Thrombosis Diseases 0.000 abstract description 13
- 230000002411 adverse Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000565 sealant Substances 0.000 abstract 1
- 238000001802 infusion Methods 0.000 description 17
- 239000003814 drug Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000001990 intravenous administration Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 230000000151 anti-reflux effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a transparent needle of keeping somewhere of area positive pressure gasbag relates to medical equipment technical field, and its technical scheme main points are: comprises an indwelling needle tube, a puncture needle and a transparent Y-shaped catheter seat; the Y-shaped catheter seat comprises a first cavity provided with sealant and a second cavity of which the end part is connected with an extension catheter; the end part of the extension catheter is connected with a positive pressure joint; the outer wall of the extension liquid guide pipe is provided with a connecting pipe; the end part of the connecting pipe is connected with an inflatable air bag; the outer wall of the connecting pipe is provided with a first control valve; the outer wall of the second chamber is provided with an air duct; the air guide pipe is close to the second control valve of the outer wall of the second chamber; the joint of the air duct and the second chamber is provided with a waterproof breathable film positioned in the air duct. The indwelling needle can clearly observe a small amount of blood flowing back into the indwelling needle from a blood vessel of a patient, and the small amount of blood flowing back is squeezed into the blood vessel of the patient by squeezing the inflatable air bag, so that the blood flowing back into the indwelling needle from the blood vessel of the patient is prevented from forming thrombus to cause adverse effects on the patient.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, it relates to a transparent needle of keeping somewhere of area positive pressure gasbag.
Background
The indwelling needle is a common medical instrument in nursing work, has convenient use and the function of reducing the puncture times of patients, thereby reducing repeated puncture during clinical transfusion, reducing puncture pain of patients and workload of clinical nursing staff, and having wide application in the current clinic. The existing indwelling needle is divided into a Y-shaped indwelling needle and a straight needle, and the Y-shaped indwelling needle is generally used in China due to the convenience of the Y-shaped indwelling needle; however, the straight type indwelling needle is troublesome to handle, but has a lower probability of thrombus formation than the Y type indwelling needle, and is widely used abroad.
The existing Y-type indwelling needle generally comprises a puncture needle, an indwelling needle tube seat and an extension catheter connected with the side wall of the indwelling needle tube seat. In the using process, a user firstly inserts the puncture needle and the indwelling needle tube into the injection position of a patient, then introduces the indwelling needle tube into the blood vessel of the patient through the puncture needle guide, and finally withdraws the puncture needle to enable the indwelling needle tube to be remained in the blood vessel of the patient and fix the indwelling needle tube by the application film. Finally, the liquid outlet end of the infusion tube is penetrated in the remaining needle tube for infusion.
The indwelling needle in the prior art can generate thrombus during the indwelling period, and for this reason, the relevant operating procedures are specified, and the tube is flushed with physiological saline once every 6 to 8 hours and sealed with anticoagulant. In order to solve the above problems, patent products of a positive pressure connector and an anti-reflux device have appeared in recent years, but the structures of the existing positive pressure connector and the existing anti-reflux device are complicated, most of indwelling needle tube seats are in a non-transparent state, after the tube sealing is completed after the transfusion, a small amount of blood backflow to the internal position of the indwelling needle tube seats often occurs, patients and medical care personnel are difficult to detect, and a small amount of blood backflow is difficult to flow into the blood vessels of the patients, so that the small amount of blood backflow is easy to form thrombus at the position of the indwelling needle tube seats, and adverse effects are caused to the patients.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take transparent needle of keeping somewhere of positive pressure gasbag can observe clearly that patient's blood vessel flows back to a small amount of blood of keeping somewhere in the needle to inflate the gasbag through the extrusion and squeeze into patient's blood vessel with a small amount of blood that flows back, thereby prevent that patient's blood vessel from returning to the blood formation thrombus of keeping somewhere in the needle and causing adverse effect to the patient.
The above technical purpose of the present invention can be achieved by the following technical solutions: a transparent indwelling needle with a positive pressure air bag comprises an indwelling needle tube and a puncture needle inserted into the inner cavity of the indwelling needle tube, wherein the puncture end of the puncture needle is positioned outside the end part of the indwelling needle tube; the end part of the indwelling needle tube, which is far away from the puncture end of the puncture needle, is connected with a transparent Y-shaped catheter seat, and the Y-shaped catheter seat comprises a first cavity and a second cavity; a sealing element is arranged in the first cavity, the tail part of the puncture needle, which is far away from the indwelling needle tube, penetrates through the sealing element and is positioned at the end part of the first cavity, and the tail part of the puncture needle is connected with a needle base positioned outside the first cavity; the end part of the second cavity far away from the first cavity is connected with an extension catheter; the end part of the extension catheter is connected with a positive pressure joint; the outer wall of the extension liquid guide pipe close to the end part of the second chamber is provided with a connecting pipe communicated with the interior of the extension liquid guide pipe; the end part of the connecting pipe is connected with an inflatable air bag; the outer wall of the connecting pipe, which is close to the extension liquid guide pipe, is provided with a first control valve; the outer wall of the second chamber is provided with an air duct communicated with the second chamber; the air guide pipe is close to a second control valve of the outer wall of the second chamber; and a waterproof breathable film positioned in the air duct is arranged at the joint of the air duct and the second chamber.
By adopting the technical scheme, in the process of carrying out intravenous infusion on a patient by adopting the indwelling needle, firstly, the disinfection work before injection is carried out, and then the indwelling needle is connected with an infusion apparatus through the positive pressure connector; the puncture needle is convenient for puncturing into the blood vessel of the patient and brings the indwelling hose into the blood vessel of the patient; when the indwelling hose is positioned in the blood vessel of the patient, the puncture needle is withdrawn, and the transparent indwelling needle tube seat is stably fixed on the skin surface of the patient by adopting a transparent medical adhesive plaster; the first chamber is convenient to seal after the puncture needle is taken out through the sealing element; the liquid medicine delivered by the infusion apparatus is conveniently transmitted to the transparent Y-shaped catheter seat by extending the catheter, and is input into the blood vessel of the patient through the indwelling needle tube; after the tube sealing operation is carried out after the transfusion is finished, when a small amount of blood returns to the position inside the transparent Y-shaped catheter seat through the blood vessel of the patient, the extension catheter is sealed, the first control valve on the connecting tube is opened, then the inflatable air bag is squeezed by hands, so that the gas in the inflatable air bag enters the Y-shaped catheter seat through the connecting tube, the small amount of blood flowing back to the inside of the Y-shaped catheter seat is squeezed into the blood vessel of the patient, and the first control valve is closed, so that the small amount of blood flowing back to the inside of the Y-shaped catheter seat is prevented from generating thrombus; when the patient needs to be transfused again, the second control valve is opened, so that the discharge of the gas in the liquid guide pipe and the Y-shaped pipe seat is prolonged; through the waterproof and breathable film, the liquid medicine is prevented from being discharged from the liquid guide pipe while gas is discharged; through this indwelling needle, can clearly observe the little blood that patient's blood vessel flows back to in the indwelling needle to extrude the little blood that flows back into in the patient's blood vessel through the extrusion air bag, thereby prevent that the blood that patient's blood vessel returns to in the indwelling needle from forming the thrombus and causing adverse effect to the patient.
The utility model discloses further set up to: the end part of the indwelling needle tube, which is close to the puncture end of the puncture needle, is provided with a movable flap, and the movable flap is a three-flap structure which is formed by equally arranging three gaps along the radial direction at the end part of the indwelling needle tube and can be opened and closed.
By adopting the technical scheme, in the process of infusion, under the stamping action of the liquid medicine in the indwelling needle tube, the movable valve (the three-valve structure) is opened, so that the liquid medicine enters the blood vessel of a patient; when the transfusion is stopped, the liquid medicine in the indwelling needle tube does not have the stamping effect, the pressure in the indwelling needle tube is lower, and the movable valve (three-valve structure) is closed, so that the blood in the blood tube can be prevented from flowing back into the indwelling needle tube.
The utility model discloses further set up to: the positive pressure joint is Y-shaped and comprises a positive pressure cavity and a drainage cavity, and the end part of the extension drainage tube is positioned in the drainage cavity.
By adopting the technical scheme, the positive pressure cavity is convenient for keeping the extension catheter and the Y-shaped catheter seat in a positive pressure state continuously after the transfusion process or transfusion is finished, so that blood backflow in the blood vessel is prevented.
The utility model discloses further set up to: the outer wall of the extension liquid guide pipe is provided with a liquid stopping clamp which can slide along the outer wall of the extension liquid guide pipe.
By adopting the technical scheme, the liquid stopping clamp capable of sliding along the outer wall of the extension liquid guide pipe can seal and stop the flow of the extension liquid guide pipe at each position of the extension liquid guide pipe.
The utility model discloses further set up to: the end part of the Y-shaped catheter seat is detachably connected with a protection tube wrapping the outer wall of the indwelling needle tube.
By adopting the technical scheme, when the indwelling needle is not used, the indwelling needle tube is protected conveniently through the protection tube.
The utility model discloses further set up to: the end part of the needle stand is fixedly connected with a needle holding handle.
By adopting the technical scheme, the medical staff can conveniently puncture the blood vessel of the patient and withdraw from the puncture needle by holding the needle handle.
To sum up, the utility model discloses following beneficial effect has: the puncture needle is convenient for puncturing into the blood vessel of the patient and brings the indwelling hose into the blood vessel of the patient; when the indwelling hose is positioned in the blood vessel of the patient, the puncture needle is withdrawn, and the transparent indwelling needle tube seat is stably fixed on the skin surface of the patient by adopting a transparent medical adhesive plaster; the first chamber is convenient to seal after the puncture needle is taken out through the sealing element; the liquid medicine delivered by the infusion apparatus is conveniently transmitted to the transparent Y-shaped catheter seat by extending the catheter, and is input into the blood vessel of the patient through the indwelling needle tube; after the tube sealing operation is carried out after the transfusion is finished, when a small amount of blood returns to the position inside the transparent Y-shaped catheter seat through the blood vessel of the patient, the extension catheter is sealed, the first control valve on the connecting tube is opened, then the inflatable air bag is squeezed by hands, so that the gas in the inflatable air bag enters the Y-shaped catheter seat through the connecting tube, the small amount of blood flowing back to the inside of the Y-shaped catheter seat is squeezed into the blood vessel of the patient, and the first control valve is closed, so that the small amount of blood flowing back to the inside of the Y-shaped catheter seat is prevented from generating thrombus; when the patient needs to be transfused again, the second control valve is opened, so that the discharge of the gas in the liquid guide pipe and the Y-shaped pipe seat is prolonged; through the waterproof and breathable film, the liquid medicine is prevented from being discharged from the liquid guide pipe while gas is discharged; through this indwelling needle, can clearly observe the little blood that patient's blood vessel flows back to in the indwelling needle to extrude the little blood that flows back into in the patient's blood vessel through the extrusion air bag, thereby prevent that the blood that patient's blood vessel returns to in the indwelling needle from forming the thrombus and causing adverse effect to the patient.
Drawings
Fig. 1 is a schematic structural diagram in an embodiment of the present invention;
FIG. 2 is a schematic view of a movable flap at the end of an indwelling needle cannula according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the open state of the movable flap according to the embodiment of the present invention.
In the figure: 1. an indwelling needle tube; 2. puncturing needle; 3. a Y-shaped catheter hub; 4. a first chamber; 5. a second chamber; 6. a seal member; 7. a needle seat; 8. an elongate catheter; 9. a positive pressure joint; 10. a connecting pipe; 11. an inflatable air bag; 12. a first control valve; 13. an air duct; 14. a second control valve; 15. a waterproof breathable film; 16. a movable flap; 17. a positive pressure chamber; 18. a drainage cavity; 19. liquid stopping clips; 20. protecting the tube; 21. a needle holding handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-3.
Example (b): a transparent indwelling needle with a positive pressure air bag is shown in figures 1, 2 and 3 and comprises an indwelling needle tube 1 and a puncture needle 2 inserted into the inner cavity of the indwelling needle tube 1, wherein the puncture end of the puncture needle 2 is positioned outside the end part of the indwelling needle tube 1. The end part of the indwelling needle tube 1 far away from the puncture end of the puncture needle 2 is connected with a transparent Y-shaped catheter seat 3, and the Y-shaped catheter seat 3 comprises a first chamber 4 and a second chamber 5. A sealing element 6 is arranged in the first chamber 4, the tail part of the puncture needle 2, which is far away from the indwelling needle tube 1, penetrates through the sealing element 6 and is positioned at the end part of the first chamber 4, and the tail part of the puncture needle 2 is connected with a needle seat 7 positioned outside the first chamber 4. The end of the second chamber 5 remote from the first chamber 4 is connected to an extension catheter 8. The end of the extension catheter 8 is connected with a positive pressure joint 9. The outer wall of the extension liquid guide pipe 8 near the end of the second chamber 5 is integrally formed with a connecting pipe 10 communicated with the interior of the extension liquid guide pipe 8. An inflatable air bag 11 is connected to an end of the connection tube 10. The connection tube 10 is fitted with a first control valve 12 near the outer wall of the extension catheter 8. The outer wall of the second chamber 5 is integrally formed with an air duct 13 communicated with the second chamber 5. The air duct 13 is adjacent to a second control valve 14 in the outer wall of the second chamber 5. The joint of the air duct 13 and the second chamber 5 is provided with a waterproof ventilated membrane 15 positioned inside the air duct 13.
In the present embodiment, the indwelling needle tube 1, the Y-shaped catheter hub 3 and the extension catheter 8 are all transparent. By using the transparent Y-shaped catheter base 3, the position of blood in the blood vessel flowing back to the Y-shaped catheter base 3 can be clearly and intuitively observed. The inflatable airbag 11 is provided with a sealable inflation port (not shown in the drawings) with which the inflatable airbag 11 can be inflated. In the process of intravenous infusion of a patient using the indwelling needle, the inflatable balloon 11 first performs a sterilization operation before injection, and then connects the indwelling needle to an infusion set through the positive pressure connector 9. The puncture needle 2 is convenient for puncturing into the blood vessel of the patient and brings the indwelling hose into the blood vessel of the patient. When the indwelling hose is positioned in the blood vessel of the patient, the puncture needle 2 is withdrawn, and the transparent indwelling needle tube 1 is stably fixed on the surface of the skin of the patient by adopting the transparent medical adhesive plaster. The sealing element 6 facilitates the sealing of the first chamber 4 after removal of the puncture needle 2. The liquid medicine delivered by the infusion apparatus is conveniently transmitted to the transparent Y-shaped catheter seat 3 through the extension catheter 8 and is input into the blood vessel of the patient through the indwelling needle tube 1. After the tube sealing operation is performed after the infusion is finished, when a small amount of blood returns to the position inside the transparent Y-shaped catheter seat 3, the extension catheter 8 is closed, the first control valve 12 on the connecting tube 10 is opened, then the inflatable airbag 11 is squeezed by hands, so that the gas in the inflatable airbag 11 enters the Y-shaped catheter seat 3 through the connecting tube 10, the small amount of blood returning to the inside of the Y-shaped catheter seat 3 is squeezed into the blood vessel of the patient, and the first control valve 12 is closed, so that the small amount of blood returning to the inside of the Y-shaped catheter seat 3 is prevented from generating thrombus. When the patient needs to be infused again, the second control valve 14 is opened, so that the gas in the liquid guide pipe 8 and the Y-shaped pipe seat 3 can be conveniently discharged. The waterproof and breathable film 15 is convenient for discharging gas and preventing liquid medicine from being discharged from the liquid guide pipe. Through this indwelling needle, a small amount of blood that the patient's blood vessel flows back into the indwelling needle can be clearly observed, and the small amount of blood that flows back is squeezed into the patient's blood vessel by squeezing the inflatable balloon 11, thereby preventing the blood that the patient's blood vessel returns into the indwelling needle from forming a thrombus that adversely affects the patient.
The end part of the indwelling needle tube 1 close to the puncture end of the puncture needle 2 is provided with a movable flap 16, and the movable flap 16 is a three-flap structure which is formed by equally arranging three gaps along the radial direction on the end part of the indwelling needle tube 1 and can be opened and closed.
In this embodiment, during the infusion, the movable flap 16 (tri-leaflet structure) is opened by the pressing action of the medical fluid in the indwelling needle cannula 1, so that the medical fluid enters the blood vessel of the patient. When the transfusion is stopped, the liquid medicine is not pressed in the indwelling needle tube, the pressure in the indwelling needle tube 1 is low, the movable valve 16 (three-valve structure) is closed, and the blood in the blood tube can be prevented from flowing back into the indwelling needle tube 1.
The positive pressure joint 9 is Y-shaped, the positive pressure joint 9 comprises a positive pressure cavity 17 and a drainage cavity 18, and the end part of the extension catheter 8 is positioned in the drainage cavity 18.
In the present embodiment, the positive pressure chamber 17 is used to keep the pressure inside the extension catheter 8 and the Y-shaped catheter hub 3 continuously positive during or after the infusion process, thereby preventing the backflow of blood inside the blood vessel.
The outer wall of the extension liquid guide pipe 8 is provided with a liquid stopping clamp 19 which can slide along the outer wall of the extension liquid guide pipe 8.
In the present embodiment, the liquid stopping clip 19, which is slidable along the outer wall of the extension liquid guide tube 8, can block and stop the flow of the extension liquid guide tube 8 at various positions of the extension liquid guide tube 8.
The end part of the Y-shaped catheter seat 3 is detachably connected with a protection tube 20 wrapping the outer wall of the indwelling needle tube 1.
In the present embodiment, when the indwelling needle is not used, the indwelling needle tube 1 is protected by the protecting tube 20.
The end part of the needle base 7 is fixedly connected with a needle holding handle 21.
In the embodiment, the operation of puncturing the blood vessel of the patient and withdrawing the puncture needle 2 by the medical staff is facilitated by holding the needle handle 21 by the hand of the medical staff.
The working principle is as follows: in the process of intravenous infusion of a patient using the indwelling needle, a sterilization operation before injection is performed first, and then the indwelling needle is connected to an infusion set through the positive pressure connector 9. The puncture needle 2 is convenient for puncturing into the blood vessel of the patient and brings the indwelling hose into the blood vessel of the patient. When the indwelling hose is positioned in the blood vessel of the patient, the puncture needle 2 is withdrawn, and the transparent indwelling needle tube 1 is stably fixed on the surface of the skin of the patient by adopting the transparent medical adhesive plaster. The sealing element 6 facilitates the sealing of the first chamber 4 after removal of the puncture needle 2. The liquid medicine delivered by the infusion apparatus is conveniently transmitted to the transparent Y-shaped catheter seat 3 through the extension catheter 8 and is input into the blood vessel of the patient through the indwelling needle tube 1. After the tube sealing operation is performed after the infusion is finished, when a small amount of blood returns to the position inside the transparent Y-shaped catheter seat 3, the extension catheter 8 is closed, the first control valve 12 on the connecting tube 10 is opened, then the inflatable airbag 11 is squeezed by hands, so that the gas in the inflatable airbag 11 enters the Y-shaped catheter seat 3 through the connecting tube 10, the small amount of blood returning to the inside of the Y-shaped catheter seat 3 is squeezed into the blood vessel of the patient, and the first control valve 12 is closed, so that the small amount of blood returning to the inside of the Y-shaped catheter seat 3 is prevented from generating thrombus. When the patient needs to be infused again, the second control valve 14 is opened, so that the gas in the liquid guide pipe 8 and the Y-shaped pipe seat 3 can be conveniently discharged. The waterproof and breathable film 15 is convenient for discharging gas and preventing liquid medicine from being discharged from the liquid guide pipe. Through this indwelling needle, a small amount of blood that the patient's blood vessel flows back into the indwelling needle can be clearly observed, and the small amount of blood that flows back is squeezed into the patient's blood vessel by squeezing the inflatable balloon 11, thereby preventing the blood that the patient's blood vessel returns into the indwelling needle from forming a thrombus that adversely affects the patient.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a transparent needle of keeping somewhere of area positive pressure gasbag which characterized by: the puncture needle comprises an indwelling needle tube (1) and a puncture needle (2) inserted into the inner cavity of the indwelling needle tube (1), wherein the puncture end of the puncture needle (2) is positioned outside the end part of the indwelling needle tube (1); the end part of the indwelling needle tube (1) far away from the puncture end of the puncture needle (2) is connected with a transparent Y-shaped catheter seat (3), and the Y-shaped catheter seat (3) comprises a first cavity (4) and a second cavity (5); a sealing element (6) is arranged in the first cavity (4), the tail part of the puncture needle (2) far away from the indwelling needle tube (1) penetrates through the sealing element (6) and is positioned at the end part of the first cavity (4), and the tail part of the puncture needle (2) is connected with a needle seat (7) positioned outside the first cavity (4); the end part of the second cavity (5) far away from the first cavity (4) is connected with an extension catheter (8); the end part of the extension catheter (8) is connected with a positive pressure joint (9); the outer wall of the extension liquid guide pipe (8) close to the end part of the second chamber (5) is provided with a connecting pipe (10) communicated with the interior of the extension liquid guide pipe (8); the end part of the connecting pipe (10) is connected with an inflatable air bag (11); a first control valve (12) is arranged on the outer wall of the connecting pipe (10) close to the extension liquid guide pipe (8); the outer wall of the second cavity (5) is provided with an air duct (13) communicated with the second cavity (5); the air duct (13) is close to a second control valve (14) of the outer wall of the second chamber (5); and a waterproof breathable film (15) positioned inside the air guide tube (13) is arranged at the joint of the air guide tube (13) and the second cavity (5).
2. The transparent indwelling needle with the positive pressure air bag as claimed in claim 1, wherein: the end part of the indwelling needle tube (1) close to the puncture end of the puncture needle (2) is provided with a movable flap (16), and the movable flap (16) is a three-flap structure which is formed by equally arranging three gaps along the radial direction at the end part of the indwelling needle tube (1) and can be opened and closed.
3. The transparent indwelling needle with the positive pressure air bag as claimed in claim 1, wherein: the positive pressure joint (9) is Y-shaped, the positive pressure joint (9) comprises a positive pressure cavity (17) and a liquid guide cavity (18), and the end part of the extension liquid guide pipe (8) is positioned in the liquid guide cavity (18).
4. The transparent indwelling needle with the positive pressure air bag as claimed in claim 1, wherein: the outer wall of the extension liquid guide pipe (8) is provided with a liquid stopping clamp (19) which can slide along the outer wall of the extension liquid guide pipe (8).
5. The transparent indwelling needle with the positive pressure air bag as claimed in claim 1, wherein: the end part of the Y-shaped catheter seat (3) is detachably connected with a protective tube (20) wrapping the outer wall of the indwelling needle tube (1).
6. The transparent indwelling needle with the positive pressure air bag as claimed in claim 1, wherein: the end part of the needle seat (7) is fixedly connected with a needle holding handle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040266.XU CN211584646U (en) | 2020-01-09 | 2020-01-09 | Transparent remaining needle with positive pressure air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040266.XU CN211584646U (en) | 2020-01-09 | 2020-01-09 | Transparent remaining needle with positive pressure air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211584646U true CN211584646U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020040266.XU Expired - Fee Related CN211584646U (en) | 2020-01-09 | 2020-01-09 | Transparent remaining needle with positive pressure air bag |
Country Status (1)
| Country | Link |
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| CN (1) | CN211584646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181474A (en) * | 2021-05-07 | 2021-07-30 | 中国人民解放军陆军军医大学第一附属医院 | Safe type nondestructive puncture needle for infusion port |
-
2020
- 2020-01-09 CN CN202020040266.XU patent/CN211584646U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181474A (en) * | 2021-05-07 | 2021-07-30 | 中国人民解放军陆军军医大学第一附属医院 | Safe type nondestructive puncture needle for infusion port |
| CN113181474B (en) * | 2021-05-07 | 2022-08-02 | 中国人民解放军陆军军医大学第一附属医院 | Safe type nondestructive puncture needle for infusion port |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20220109 |