CN220757769U - Remaining needle protection device for preventing blood backflow - Google Patents
Remaining needle protection device for preventing blood backflow Download PDFInfo
- Publication number
- CN220757769U CN220757769U CN202321811960.7U CN202321811960U CN220757769U CN 220757769 U CN220757769 U CN 220757769U CN 202321811960 U CN202321811960 U CN 202321811960U CN 220757769 U CN220757769 U CN 220757769U
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- CN
- China
- Prior art keywords
- infusion
- wrist strap
- bolt
- needle
- hose
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- 239000008280 blood Substances 0.000 title claims abstract description 21
- 210000004369 blood Anatomy 0.000 title claims abstract description 21
- 238000001802 infusion Methods 0.000 claims abstract description 46
- 210000000707 wrist Anatomy 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000000151 anti-reflux effect Effects 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 5
- 238000009434 installation Methods 0.000 claims 3
- 239000003814 drug Substances 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a retaining needle protection device for preventing blood backflow, which relates to the technical field of medical appliances and comprises a retaining needle seat, wherein an infusion tube connecting tube is arranged at the bottom end of the retaining needle seat, the right end of the infusion tube connecting tube is connected with an infusion hose, an anti-backflow component is sleeved in the middle of the infusion hose and comprises a protection box sleeved on the outer wall of the infusion hose, and a mounting ring is welded at the top of the protection box. According to the indwelling needle protecting device for preventing blood backflow, the backflow preventing assembly is used for protecting the non-return assembly, the pressure plate falls through the rotation of the backflow stopping bolt, so that the pressure plate can pressurize the infusion hose, blood backflow is prevented, practicability of the device is improved, and meanwhile the backflow preventing assembly and the infusion hose are fixed through the wrist strap, so that the indwelling needle protecting device is convenient and quick.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an indwelling needle protecting device for preventing blood backflow.
Background
The venous indwelling needle is a common medical device in nursing work, has the advantages of convenient use, and reduces the puncture times of patients, thereby reducing repeated puncture during clinical transfusion, reducing the puncture pain of patients and the workload of clinical nursing staff, and being widely applied in the clinic at present.
The utility model provides a prevent blood from flowing backwards keep somewhere needle that mentions in patent of publication number CN214911770U3, includes keep somewhere the needle body in this patent, keep somewhere the needle body and constitute by transparent tee bend, keep somewhere pipe, steel needle, needle holder, extension pipe, seal pipe clamp and malleation joint, install white end cap and heparin cap on the malleation joint, transparent tee bend outer end fixed mounting has the gasbag, the inside gasbag inner chamber that is of gasbag, the gasbag middle part is equipped with the through-hole, the gasbag is fixed continuous with the air cock, air cock is fixed connection with the rubber pad. However, the following problems are also present in this patent:
can not be to the guard action of non return subassembly, when not using, keep somewhere the hose of needle, not fixed subassembly, mostly fix on the arm through medical sticky tape, unsightly while overlength, sticky tape weakens, and the hose drops easily, drives to keep somewhere the needle dislocation, influences the use, consequently needs a prevent the back flow keep somewhere needle protector of blood and solves the problem.
Disclosure of Invention
The utility model mainly aims to provide an indwelling needle protecting device for preventing blood backflow, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the retaining needle protection device for preventing blood backflow comprises a retaining needle seat, wherein an infusion tube connecting tube is arranged at the bottom end of the retaining needle seat, the right end of the infusion tube connecting tube is connected with an infusion hose, and an anti-backflow assembly is sleeved in the middle of the infusion hose;
the anti-backflow assembly comprises a protective box sleeved on the outer wall of the infusion hose, a mounting ring is welded at the top of the protective box, a thread groove is formed in the middle of the mounting ring, a flow stopping bolt is inserted into the thread groove, the flow stopping bolt is installed in the mounting ring through threads, the bottom of the flow stopping bolt is arranged in the protective box, a rotating handle is welded at the top of the flow stopping bolt, and the bottom of the flow stopping bolt is inserted into the mounting groove.
Preferably, the mounting groove is formed in the middle of the pressing plate, the mounting bearing is clamped on the inner wall of the mounting groove, the flow stopping bolt is sleeved in the middle of the mounting bearing, the mounting bearing and the flow stopping bolt are correspondingly arranged, the bottom of the pressing plate is contacted with the surface of the infusion hose, the protective soft plate is mounted on the inner wall of the bottom of the protective box through the bolt, and the protective soft plate is arranged below the infusion hose.
Preferably, the anti-slip rings are arranged on two sides of the protection box through bolts, the two anti-slip rings are respectively arranged on the left side and the right side of the protection box, the transfusion hose is sleeved in the middle of the anti-slip rings, and the top of the protection box is provided with a control terminal through bolts.
Preferably, the heater strip is installed in the middle of the inside of wrist strap, be provided with the inoxidizing coating on the outer wall of wrist strap, fixedly connected with insulating layer on the inner wall of wrist strap, insulating layer corresponds the setting with the inoxidizing coating, the both ends joint of wrist strap has the absorption magnetic part, the absorption magnetic part has a plurality of, evenly installs respectively at the both ends of wrist strap.
Preferably, the wrist strap is installed to the bottom of protection box, the top of wrist strap passes through the bolt to be installed in the bottom of protection box, the top internally mounted of wrist strap has heating element, heating element is including installing the heater in the middle of the wrist strap, the heater's both sides are installed the heater strip.
Preferably, the front surface of the retaining needle seat is provided with a retaining needle, the side surface of the top of the retaining needle seat is welded with a needle holding handle, the top of the needle holding handle is provided with an anti-slip pad, the needle holding handle and the anti-slip pad are correspondingly arranged, the top end of the infusion hose is fixedly connected with an infusion connector, the top of the infusion connector is inserted with a dosing tube, and the dosing tube is communicated with the bottom end of the infusion connector.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the backflow prevention assembly is arranged to protect the non-return assembly, the pressure plate is rotated to drop through the flow stopping bolt, so that the pressure plate is used for pressurizing the infusion hose, thereby preventing blood backflow, the practicability of the device is improved, the backflow prevention assembly and the infusion hose are fixed through the wrist strap, the backflow prevention assembly is convenient and quick, the backflow prevention assembly is not easy to separate from the infusion hose, the stability of the retaining needle is improved, and the falling-off condition is prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present utility model;
FIG. 2 is a schematic view of the structure of the backflow prevention assembly of the present utility model;
fig. 3 is a schematic view of the structure of the wrist band of the present utility model.
In the figure: 1. a needle stand is kept; 2. a retention needle; 3. a needle holder; 4. an anti-slip pad; 5. a transfusion tube connecting tube; 6. an infusion hose; 7. a backflow prevention assembly; 8. a protective case; 9. a mounting ring; 10. a flow stopping bolt; 11. a pressing plate; 12. a mounting groove; 13. mounting a bearing; 14. rotating the handle; 15. a thread groove; 16. a protective soft board; 17. an anti-slip ring; 18. a dosing tube; 19. an infusion connector; 20. a wrist strap; 21. a protective layer; 22. a heating assembly; 23. a heater; 24. a heating wire; 25. an insulating layer; 26. adsorbing the magnetic piece; 27. and controlling the terminal.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1 and 2, an indwelling needle protecting device for preventing blood backflow comprises an indwelling needle seat 1, an infusion tube connecting tube 5 is arranged at the bottom end of the indwelling needle seat 1, the right end of the infusion tube connecting tube 5 is connected with an infusion hose 6, and an anti-backflow component 7 is sleeved in the middle of the infusion hose 6;
the backflow prevention assembly 7 comprises a protection box 8 sleeved on the outer wall of the infusion hose 6, a mounting ring 9 is welded at the top of the protection box 8, a thread groove 15 is formed in the middle of the mounting ring 9, a flow stopping bolt 10 is inserted into the thread groove 15, the flow stopping bolt 10 is installed in the mounting ring 9 through threads, the bottom of the flow stopping bolt 10 is arranged in the protection box 8, a rotating handle 14 is welded at the top of the flow stopping bolt 10, the bottom of the flow stopping bolt 10 is inserted into the mounting groove 12, the mounting groove 12 is formed in the middle of a pressing plate 11, a mounting bearing 13 is clamped on the inner wall of the mounting groove 12, the flow stopping bolt 10 is sleeved in the middle of the mounting bearing 13, the mounting bearing 13 is arranged corresponding to the flow stopping bolt 10, the bottom of the pressing plate 11 is in contact with the surface of the infusion hose 6, a protection soft plate 16 is installed on the inner wall of the bottom of the protection box 8 through bolts, the protection soft plate 16 is arranged below the infusion hose 6, two anti-skid rings 17 are installed on two sides of the protection box 8 through bolts, the anti-skid rings 17 are installed on the left side and the right side of the protection box 8 respectively, the anti-skid rings are installed on the left side and the right side of the protection box 8, and the anti-skid rings are sleeved on the top of the protection box 8 through control terminals and the control bolts 27;
referring to fig. 1, 2 and 3, the wrist strap 20 is installed at the bottom of the protection box 8, the top of the wrist strap 20 is installed at the bottom of the protection box 8 through bolts, the heating component 22 is installed inside the top of the wrist strap 20, the heating component 22 comprises a middle heater 23 installed at the wrist strap 20, the two sides of the heater 23 are provided with heating wires 24, the heating wires 24 are installed in the middle of the inside of the wrist strap 20, the protection layer 21 is arranged on the outer wall of the wrist strap 20, the insulating layer 25 is fixedly connected with the inner wall of the wrist strap 20, the insulating layer 25 is correspondingly arranged with the protection layer 21, the two ends of the wrist strap 20 are clamped with the adsorption magnetic pieces 26, the adsorption magnetic pieces 26 are respectively and uniformly installed at the two ends of the wrist strap 20, the protection effect on the check component is performed through the arranged anti-reflux component 7, the pressing plate 11 is rotated through the arranged anti-reflux bolt 10, the pressing plate 11 is pressed on the transfusion hose 6, thereby the blood reflux is prevented, the practicability of the device is increased, the fixing effect of the anti-reflux component 7 and the hose 6 is simultaneously performed through the arranged, the anti-reflux component 7 is fast, the retaining needle is prevented from falling off, and the stability of the needle 2 is prevented from being easily increased.
The present utility model is a remaining needle protection device for preventing blood backflow, which is used by providing a backflow prevention assembly 7 for protection and flow stopping, rotating a rotating handle 14 to rotate a flow stopping bolt 10 around a mounting ring 9, engaging threads on the outer wall of the flow stopping bolt 10 with a thread groove 15, thereby causing the flow stopping bolt 10 to perform a falling action on a pressure plate 11, simultaneously installing a bearing 13 in the pressure plate 11, preventing the flow stopping bolt 10 from rotating and simultaneously driving the pressure plate 11 to rotate, increasing the practicability of the device, causing the pressure plate 11 to act on an infusion hose 6, blocking air in the infusion hose 6, thereby preventing blood backflow, simultaneously installing a protection soft board 16 at the bottom of the infusion hose 6, performing a protection action on the infusion hose 6, installing a wrist strap 20 at the bottom of the protection box 8, causing the suction magnetic pieces 26 installed at both ends of the wrist strap 20 to perform an interaction, causing the strap 20 to be sleeved on an arm, preventing the infusion hose 6 from falling in the middle of the strap 20 and the arm, adjusting the suction magnetic pieces 26, causing the strap 20 to adhere to the arm 6, thereby achieving a fixation action on the wrist strap 6 and a practical stability of the infusion hose 6.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. An indwelling needle protection device for preventing blood backflow, which comprises an indwelling needle seat (1), and is characterized in that: the infusion tube connecting tube (5) is arranged at the bottom end of the indwelling needle seat (1), the right end of the infusion tube connecting tube (5) is connected with an infusion hose (6), and an anti-reflux component (7) is sleeved in the middle of the infusion hose (6);
the anti-backflow assembly (7) comprises a protective box (8) sleeved on the outer wall of the infusion hose (6), a mounting ring (9) is welded at the top of the protective box (8), a thread groove (15) is formed in the middle of the mounting ring (9), a flow stopping bolt (10) is inserted into the thread groove (15), the flow stopping bolt (10) is installed in the mounting ring (9) through threads, the bottom of the flow stopping bolt (10) is arranged in the protective box (8), a rotating handle (14) is welded at the top of the flow stopping bolt (10), and the bottom of the flow stopping bolt (10) is inserted into the mounting groove (12).
2. An indwelling needle protection device for preventing reflux of blood according to claim 1, in which: the utility model discloses a transfusion system, including clamp plate (11), mounting groove (12), sealing bolt (10) cover, sealing bolt (13) and sealing bolt (10), mounting groove (12) are seted up in the centre of clamp plate (11), joint has installation bearing (13) on the inner wall of mounting groove (12), sealing bolt (10) cover is established in the centre of installation bearing (13), installation bearing (13) correspond the setting with sealing bolt (10), the bottom of clamp plate (11) contacts with the surface of transfusion hose (6), install protection soft board (16) through the bolt on the bottom inner wall of protection box (8), protection soft board (16) set up the below at transfusion hose (6).
3. An indwelling needle protection device for preventing reflux of blood according to claim 2, in which: the anti-slip ring (17) is installed on two sides of the protection box (8) through bolts, two anti-slip rings (17) are installed on the left side and the right side of the protection box (8) respectively, the infusion hose (6) is sleeved in the middle of the anti-slip rings (17), and a control terminal (27) is installed on the top of the protection box (8) through bolts.
4. A blood flashback preventing indwelling needle protection device according to claim 3, in which: the wrist strap (20) is installed to the bottom of protection box (8), the bottom at protection box (8) is installed through the bolt in the top of wrist strap (20), heating element (22) are installed to the top internally mounted of wrist strap (20), heating element (22) are including installing heater (23) in the middle of wrist strap (20), heater strip (24) are installed to the both sides of heater (23).
5. An indwelling needle protection device for preventing reflux of blood according to claim 4, in which: the heating wire (24) is installed in the middle of the inside of wrist strap (20), be provided with inoxidizing coating (21) on the outer wall of wrist strap (20), fixedly connected with insulating layer (25) on the inner wall of wrist strap (20), insulating layer (25) correspond setting with inoxidizing coating (21), the both ends joint of wrist strap (20) has adsorption magnetic part (26), adsorption magnetic part (26) have a plurality of, evenly install the both ends at wrist strap (20) respectively.
6. An indwelling needle protection device for preventing reflux of blood according to claim 1, in which: keep somewhere the front of needle file (1) and install keep somewhere needle (2), keep somewhere the top side welding of needle file (1) and have needle holder (3), the top of needle holder (3) is provided with slipmat (4), needle holder (3) correspond setting with slipmat (4), the top fixedly connected with infusion connector (19) of infusion hose (6), the top of infusion connector (19) is pegged graft and is had medicine adding tube (18), medicine adding tube (18) communicate with the bottom of infusion connector (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321811960.7U CN220757769U (en) | 2023-07-11 | 2023-07-11 | Remaining needle protection device for preventing blood backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321811960.7U CN220757769U (en) | 2023-07-11 | 2023-07-11 | Remaining needle protection device for preventing blood backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220757769U true CN220757769U (en) | 2024-04-12 |
Family
ID=90602559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321811960.7U Active CN220757769U (en) | 2023-07-11 | 2023-07-11 | Remaining needle protection device for preventing blood backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220757769U (en) |
-
2023
- 2023-07-11 CN CN202321811960.7U patent/CN220757769U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |