CN217091656U - Automatic rebound type remaining needle assisting device - Google Patents
Automatic rebound type remaining needle assisting device Download PDFInfo
- Publication number
- CN217091656U CN217091656U CN202123434217.8U CN202123434217U CN217091656U CN 217091656 U CN217091656 U CN 217091656U CN 202123434217 U CN202123434217 U CN 202123434217U CN 217091656 U CN217091656 U CN 217091656U
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- Prior art keywords
- needle
- mounting hole
- rotatory
- mount pad
- guide
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- 230000000994 depressogenic effect Effects 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 231100000206 health hazard Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an automatic needle ware is helped to rebound type remaining needle, it includes: the shell, the guide needle, keep somewhere needle group, rotatory resilience subassembly and syringe base, the holding chamber has in the shell, the top in holding chamber is equipped with first mount pad, the bottom in holding chamber is equipped with the second mount pad, the top setting of rotatory resilience subassembly is in first mount pad, the bottom setting of rotatory resilience subassembly is in the second mount pad, the bottom of second mount pad is equipped with steering switch, the guide needle is connected to the bottom of rotatory resilience subassembly, it establishes on the guide needle to keep somewhere needle group cover, the bottom of shell sets up the syringe base, rotatory resilience subassembly drive guide needle, keep somewhere needle group and syringe base and remove downwards. The utility model aims to provide an automatic rebound type indwelling needle assisting needle device which has reasonable structure, high release success rate, safety and sanitation, automatic rebound and then reduction of the psychological pressure of a user.
Description
Technical Field
The utility model relates to the field of medical supplies, more specifically relates to an automatic resilience type keeps somewhere needle and helps needle ware.
Background
Infusion devices are used to deliver substances, such as drugs, to the subcutaneous layer of skin of a patient. Devices for assisting in the insertion of a cannula of an infusion device into the skin of a patient are well known. For example, some devices use a spring to automatically drive a needle into the skin of a patient to introduce the cannula of an infusion device into the subcutaneous layer. There is a risk of inadvertent contact with the needle. Furthermore, prior to insertion, the patient's response may be negative when the needle is viewed, e.g., unwilling to place the needle into the skin. Prior art devices do not adequately shield the needle before and/or after introduction of the infusion device, adding psychological stress and burden to the user.
Meanwhile, the prior art has the following defects: the patient is not easy to use and has hidden health hazard. For example, some patients may have difficulty loading the infusion device into the insertion device, and thus, it is desirable to provide the device with a new design for assisting in introducing the infusion device into the skin of the patient; the hose is inevitably contacted by hands when a patient assembles the prior art, so that the hidden health hazard exists; most of the devices need to rely on the active force application of a patient, and certain psychological pressure is generated on the patient when the device is used, so that the success rate of releasing the infusion device is low, and the device is not placed accurately.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide an automatic rebounding type indwelling needle assisting device which has reasonable structure, high releasing success rate, safety and sanitation, automatic rebounding and then reduces the psychological pressure of a user.
According to an aspect of the utility model, an automatic rebound type needle assistor is kept somewhere is provided, it includes: the shell, the guide needle, keep somewhere needle group, rotatory resilience subassembly and syringe base, the holding chamber has in the shell, the top in holding chamber is equipped with first mount pad, the bottom in holding chamber is equipped with the second mount pad, the top setting of rotatory resilience subassembly is in first mount pad, the bottom setting of rotatory resilience subassembly is in the second mount pad, the bottom of second mount pad is equipped with steering switch, the guide needle is connected to the bottom of rotatory resilience subassembly, it establishes on the guide needle to keep somewhere needle group cover, the bottom of shell sets up the syringe base, rotatory resilience subassembly drive guide needle, keep somewhere needle group and syringe base and remove downwards.
In some embodiments, the rotary rebounding assembly comprises a first core rod, a second core rod, a spring, a guide ring and a trigger switch, a first mounting hole is formed in the first core rod, the second core rod is arranged in the first mounting hole, the bottom outer wall of the second core rod is fixedly connected with the guide ring, the spring is arranged between the guide ring and the top of the first core rod, the bottom of the second core rod is fixedly connected with a guide needle, an indwelling needle group sleeve is arranged on the guide needle, a second mounting hole is formed in the shell, a third mounting hole is formed in the second mounting seat, and the trigger switch penetrates through the second mounting hole and the third mounting hole to limit the second core rod to move downwards.
In some embodiments, a limiting block is arranged at the top of the first core rod, the limiting block is arranged in the first mounting seat, the spring is arranged between the limiting block and the guide ring, and the spring is in a compressed force storage state.
In some embodiments, the first mounting hole is axially disposed along the first core rod and the second core rod slides within the first mounting hole.
In some embodiments, the outer wall of the first core rod is provided with a sliding groove communicated with the first mounting hole, and the outer wall of the second core rod fixes a bolt which is limited in the sliding groove to move up and down.
In some embodiments, the positions of the second mounting hole and the third mounting hole are correspondingly arranged.
In some embodiments, the steering switch includes a first protrusion, a second protrusion, and a retraction groove, the retraction groove is formed between the first protrusion and the second protrusion, one end of the retraction groove is provided with a first steering inclined surface, and one end of the retraction groove is provided with a second steering inclined surface.
In some embodiments, the outer wall of the housing has a recessed grip intermediate.
The utility model discloses an automatic needle ware is helped to bullet type remaining needle compares with prior art: has the advantages of reasonable structure, high release success rate, safety and sanitation, automatic rebound and reduction of psychological pressure of users; the compression spring is used for providing power for the movement of the second core rod, the second core rod is limited to move downwards through the trigger switches inserted into the second mounting hole and the third mounting hole, the trigger switch is pulled out when the injection device is used, the spring drives the guide ring to drive the second core rod to move downwards, finally the guide needle drives the indwelling needle group and the injector base to move downwards, the guide needle penetrates through the skin of a user, the injector base is remained on the skin of the user, the indwelling needle group is penetrated into the skin, the second core rod impacts the steering switch after the trigger is finished, the second core rod moves upwards, further the guide needle retracts quickly, and the pain of the user is small; whole in-process steel needle is all hidden the utility model discloses inside prevents to cause psychological pressure and burden and then arouse the discomfort for the patient.
Drawings
FIG. 1 is a schematic structural view of the automatic resilient indwelling needle assisting device of the present invention;
FIG. 2 is a sectional view of the automatic resilient type indwelling needle assisting device of the present invention;
FIG. 3 is a schematic structural view of a rotary springback component of the automatic springback type indwelling needle assisting device of the present invention;
fig. 4 is a schematic structural view of a steering switch of the automatic springback type indwelling needle assisting device of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functional, method, or structural equivalents and substitutions made by these embodiments are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.
As shown in fig. 1 and 2, the automatic springback type needle assisting device of the present invention comprises: shell 1, guide needle 2, keep somewhere needle group 3, rotatory subassembly 4 and syringe base 5 of kick-backing, holding chamber 11 has in shell 1, the top in holding chamber 11 is equipped with first mount pad 12, the bottom in holding chamber 11 is equipped with second mount pad 13, the top setting of rotatory subassembly 4 of kick-backing is in first mount pad 12, the bottom setting of rotatory subassembly 4 of kick-backing is in second mount pad 13, the bottom of second mount pad 13 is equipped with steering switch 6, guide needle 2 is connected to the bottom of rotatory subassembly 4 of kick-backing, it establishes on guide needle 2 to keep somewhere 3 covers of needle group, the bottom of shell 1 sets up keeps somewhere syringe base 5, rotatory subassembly 4 of kick-backing drives guide needle 2, needle group 3 and syringe base 5 move down. The compression spring 43 is used for providing power for the movement of the second core rod 42, the downward movement of the second core rod 42 is limited by the trigger switch 45 inserted into the second mounting hole 14 and the third mounting hole 15, the trigger switch 45 is pulled out when in use, the spring 43 drives the guide ring 44 to drive the second core rod 42 to move downward, finally the guide needle 2 drives the indwelling needle group 3 to move downward together with the injector base 5, the guide needle 2 penetrates the skin of a user and the injector base 5 is remained on the skin of the user, the indwelling needle group 3 is punctured into the skin, the second core rod 42 impacts the steering switch 6 after the trigger is completed, the second core rod 42 moves upward and further the guide needle 2 retracts rapidly, and the pain of the user is small; the guide needle 2 is hidden inside the housing 1 throughout the process to prevent psychological stress and burden on the patient and discomfort.
As shown in fig. 3, the rotating rebounding assembly 4 includes a first core rod 41, a second core rod 42, a spring 43, a guide ring 44 and a trigger switch 45, a first mounting hole 46 is provided in the first core rod 41, the second core rod 42 is provided in the first mounting hole 46, the bottom outer wall of the second core rod 42 is fixedly connected with the guide ring 44, the spring 43 is provided between the guide ring 44 and the top of the first core rod 41, the bottom of the second core rod 42 is fixedly connected with the guide needle 2, the remaining needle group 3 is sleeved on the guide needle 2, the housing 1 is provided with a second mounting hole 14, the second mounting seat 13 is provided with a third mounting hole 15, and the trigger switch 45 passes through the second mounting hole 14 and the third mounting hole 15 to limit the second core rod 42 to move downwards. Compressing the spring 43 between the top of the first core rod 41 and the guide ring 44, uniting the guide ring 44 with the second core rod 42 necessarily drives the second core rod 42 downward after releasing the spring 43. Meanwhile, the front end of the trigger switch 45 is in a hollow fork shape, the guide needle 2 and the remaining needle group 3 are arranged in the hollow part, and the bottom of the second core rod 42 supported by two sides limits the trend that the second core rod 42 moves downwards under the pressure of the spring 43.
The top of the first core rod 41 is provided with a limiting block 47, the limiting block 47 is arranged in the first mounting seat 12, the spring 43 is arranged between the limiting block 47 and the guide ring 44, and the spring 43 is in a compressed force storage state. The outer diameters of the stop block 47 and the guide ring 44 need to be larger than the inner diameter of the spring 43 so that the spring 43 can exert power on the guide ring 44 between the stop block 47 and the guide ring 44.
The first mounting hole 46 is axially disposed along the first core shaft, and the second core rod 42 slides within the first mounting hole 46 to facilitate downward movement of the second core rod 42.
The outer wall of the first core rod 41 is provided with a sliding groove 48 communicated with the first mounting hole 46, and the outer wall of the second core rod 42 is fixed with a bolt 49, and the bolt 49 moves up and down in the sliding groove 48 in a limiting mode. The cooperation of the slide slot 48 and the latch 49 defines a path for the second core pin 42 to move down and up.
The second mounting hole 14 and the third mounting hole 15 are correspondingly arranged, so that the trigger switch 45 can be conveniently mounted.
As shown in fig. 4, the reversing switch 6 includes a first protrusion 61, a second protrusion 62 and a returning groove 63, the returning groove 63 is formed between the first protrusion 61 and the second protrusion 62, one end of the returning groove 63 is provided with a first reversing slope 64, and one end of the returning groove 63 is provided with a second reversing slope 65. After the triggering is finished, the bottom of the second core rod 42 impacts the first steering inclined surface 64 and the second steering inclined surface 65 through the backspacing groove 63, then the second core rod 42 moves upwards, and further the guide needle 2 is driven to rebound into the outer shell 1, and the guide needle 2 is hidden inside the outer shell 1 in the whole process to prevent psychological pressure and burden from being caused to a patient and further discomfort is caused.
The outer wall of the housing 1 has a recessed grip 16 in the middle. The grip portion 16 is convenient for a user to use.
The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (8)
1. Automatic needle ware is kept somewhere to rebound type, its characterized in that includes: shell, guide needle, keep somewhere needle group, rotatory resilience subassembly and syringe base, the holding chamber has in the shell, the top in holding chamber is equipped with first mount pad, the bottom in holding chamber is equipped with the second mount pad, the top setting of rotatory resilience subassembly is in first mount pad, the bottom setting of rotatory resilience subassembly is in the second mount pad, the bottom of second mount pad is equipped with steering switch, the guide needle is connected to the bottom of rotatory resilience subassembly, it establishes on the guide needle to keep somewhere needle group cover, the bottom of shell sets up the syringe base, rotatory resilience subassembly drive guide needle, keep somewhere needle group and syringe base and remove downwards.
2. The needle assisting device of an automatic-rebound type indwelling needle according to claim 1, wherein the rotational rebound assembly comprises a first core bar, a second core bar, a spring, a guide ring and a trigger switch, a first mounting hole is formed in the first core bar, the second core bar is arranged in the first mounting hole, the bottom outer wall of the second core bar is fixedly connected with the guide ring, the spring is arranged between the guide ring and the top of the first core bar, the bottom of the second core bar is fixedly connected with the guide needle, the indwelling needle assembly is sleeved on the guide needle, a second mounting hole is formed in the housing, a third mounting hole is formed in the second mounting seat, and the trigger switch penetrates through the second mounting hole and the third mounting hole to limit the second core bar to move downwards.
3. The needle assisting device of an automatic-rebound type indwelling needle according to claim 2, wherein a limiting block is arranged at the top of the first core rod, the limiting block is arranged in the first mounting seat, the spring is arranged between the limiting block and the guide ring, and the spring is in a compressed force storage state.
4. The needle assist device of claim 2, wherein the first mounting hole is axially disposed along the first core shaft, and the second core shaft slides within the first mounting hole.
5. The needle assisting device of an indwelling needle of an automatic resilient type according to claim 4, wherein the outer wall of the first core rod is provided with a sliding groove communicating with the first mounting hole, and the outer wall of the second core rod fixes a pin which is limited to move up and down in the sliding groove.
6. The needle assisting device of an automatically resilient type indwelling needle according to claim 2, wherein the second mounting hole and the third mounting hole are provided at positions corresponding to each other.
7. The needle holder of claim 1, wherein the switch comprises a first protrusion, a second protrusion and a retraction groove, the retraction groove is formed between the first protrusion and the second protrusion, a first inclined turning surface is provided at one end of the retraction groove, and a second inclined turning surface is provided at one end of the retraction groove.
8. The self-rebounding needle-indwelling needle assistant according to claim 1, wherein the outer wall of the housing has a depressed grip in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434217.8U CN217091656U (en) | 2021-12-31 | 2021-12-31 | Automatic rebound type remaining needle assisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434217.8U CN217091656U (en) | 2021-12-31 | 2021-12-31 | Automatic rebound type remaining needle assisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217091656U true CN217091656U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123434217.8U Active CN217091656U (en) | 2021-12-31 | 2021-12-31 | Automatic rebound type remaining needle assisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217091656U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624669A (en) * | 2022-12-12 | 2023-01-20 | 北京深纳普思人工智能技术有限公司 | Injection needle device and drug delivery system with same |
| CN116726307A (en) * | 2023-05-17 | 2023-09-12 | 普林斯顿医疗科技（珠海）有限公司 | Remaining needle device |
-
2021
- 2021-12-31 CN CN202123434217.8U patent/CN217091656U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624669A (en) * | 2022-12-12 | 2023-01-20 | 北京深纳普思人工智能技术有限公司 | Injection needle device and drug delivery system with same |
| CN116726307A (en) * | 2023-05-17 | 2023-09-12 | 普林斯顿医疗科技（珠海）有限公司 | Remaining needle device |
| CN116726307B (en) * | 2023-05-17 | 2023-12-05 | 普林斯顿医疗科技（珠海）有限公司 | Remaining needle device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 5, No. 1019 Liaohe Road, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: Vertex Medical Equipment (Jiangsu) Co.,Ltd. Country or region after: Zhong Guo Address before: No. 35-209, South Changjiang Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee before: WUXI DINGDIAN MEDICAL INSTRUMENT CO.,LTD. Country or region before: Zhong Guo |