CN217091657U - Rotary type indwelling needle assisting device - Google Patents
Rotary type indwelling needle assisting device Download PDFInfo
- Publication number
- CN217091657U CN217091657U CN202123439742.9U CN202123439742U CN217091657U CN 217091657 U CN217091657 U CN 217091657U CN 202123439742 U CN202123439742 U CN 202123439742U CN 217091657 U CN217091657 U CN 217091657U
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- Prior art keywords
- needle
- shell
- pin
- guide groove
- torsion spring
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims description 33
- 238000001802 infusion Methods 0.000 description 7
- 238000010304 firing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007920 subcutaneous administration Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 231100000206 health hazard Toxicity 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 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
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a needle ware helps needle ware is kept somewhere to rotation type, it includes: shell, the steel needle, outer needle file and rotatory subassembly of kick-backing, be equipped with first guide way on the shell, rotatory subassembly setting of kick-backing is in the shell and along first guide way downstream, rotatory subassembly of kick-backing is including holding power portion and resilience portion, hold the top that power portion set up in resilience portion, the first portion of resilience portion is equipped with steel needle and outer needle file, hold power portion set up in the shell and drive the steel needle in resilience portion and outer needle file move down and resilience portion retract shell bottom, the steel needle is equipped with soft needle. The utility model aims to provide a needle ware is kept somewhere to rotation type that needle helped is rational in infrastructure, release success rate is high, structural strength is good, kick-backs automatically and reduces user's psychological pressure then and safe and sanitary.
Description
Technical Field
The utility model relates to the field of medical supplies, more specifically relates to a needle ware is helped to needle is kept somewhere to rotation type.
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 a needle ware is helped to needle is kept somewhere to rotation type that rational in infrastructure, release success rate is high, structural strength is good, kick-back reduces user's psychological pressure and safety and sanitation then.
According to an aspect of the present invention, there is provided a needle assistor for a rotary indwelling needle, comprising: shell, the steel needle, outer needle file and rotatory subassembly of kick-backing, be equipped with first guide way on the shell, rotatory subassembly setting of kick-backing is in the shell and along first guide way downstream, rotatory subassembly of kick-backing is including holding power portion and resilience portion, hold the top that power portion set up in resilience portion, the first portion of resilience portion is equipped with steel needle and outer needle file, hold power portion set up in the shell and drive the steel needle in resilience portion and outer needle file move down and resilience portion retract shell bottom, the steel needle is equipped with soft needle.
In some embodiments, the power accumulating part comprises a pre-tightening wrench, a torsion spring, a one-way bearing and a trigger switch, the top of the housing is provided with a first limiting hole and a second limiting hole, one end of the torsion spring is limited in the first limiting hole, the bottom of the torsion spring is provided with the one-way bearing, the pre-tightening wrench is inserted in the center of the torsion spring and drives the torsion spring to contract, the pre-tightening wrench is inserted in the rebounding assembly through the one-way bearing, and the trigger switch is arranged in the second limiting hole and enables the torsion spring to keep a compression state.
In some embodiments, the rebound portion comprises a transition sleeve and a mandrel, a separation buckle is arranged above the outer wall of the mandrel, the transition sleeve is limited on the outer wall of the mandrel through the separation buckle, the outer wall of the mandrel is provided with a second guide groove, and the bottom of the mandrel is fixedly connected with the steel needle.
In some embodiments, the mandrel is provided with a first mounting hole in the center thereof, and the one-way bearing is disposed in the first mounting hole.
In some embodiments, the first mounting hole is provided with a driving hole, the pre-tightening wrench is inserted into the driving hole, and the driving mandrel rotates.
In some embodiments, the transition sleeve is provided with a first pin and a second pin, the first pin and the second pin are fixedly arranged on the transition sleeve, the first pin and the second pin are symmetrically arranged, a first sliding end of the first pin extends out of an inner wall of the transition sleeve, a second sliding end of the first pin extends out of an outer wall of the transition sleeve, a third sliding end of the second pin extends out of the inner wall of the transition sleeve, and a fourth sliding end of the second pin extends out of the outer wall of the transition sleeve.
In some embodiments, the first guide groove and the second guide groove are both spiral grooves and have opposite spiral directions, and an intersection point exists between the top ends of the first guide groove and the second guide groove.
In some embodiments, the second sliding end is disposed within the first guide slot and the third sliding end is disposed within the second guide slot.
The utility model discloses a needle ware helps needle ware is kept somewhere to rotation type compares with prior art: the automatic spring back type release device has the advantages of reasonable structure, high release success rate, good structural strength, automatic spring back, safety and sanitation, and further reduces the psychological pressure of a user; the torsion spring is rotated through the pre-tightening wrench to store force, and then the force is released through the trigger switch: the second sliding end on the transition sleeve moves downwards along the first guide groove in a spiral mode, so that the steel needle on the mandrel is driven to move downwards, the steel needle drives the soft needle on the outer needle seat to penetrate into the subcutaneous layer of a user, the torsional spring power continues to drive the one-way bearing and the pre-tightening wrench to rotate after the penetrating action is finished, meanwhile, the mandrel rotates to break away from the buckle and is separated from the transition sleeve, the mandrel rises along the second guide groove in a spiral mode to drive the steel needle to retract into the shell, the steel needle is rapidly fired and retracted in the working process, 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 a rotary indwelling needle assisting device of the present invention;
FIG. 2 is an exploded view of the rotary indwelling needle assisting device of the present invention;
FIG. 3 is a schematic view of the initial state of the rotary indwelling needle assisting device of the present invention;
FIG. 4 is a schematic view of the percussion state of the needle assistor with the rotary indwelling needle of the present invention
FIG. 5 is a schematic view showing the retraction state of the rotary 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 fig. 2, the needle assisting device of the present invention comprises: shell 1, the steel needle 2, outer needle holder 3 and rotatory resilience subassembly 4, be equipped with first guide way 11 on the shell 1, rotatory resilience subassembly 4 sets up in shell 1 and along first guide way 11 rebound, rotatory resilience subassembly 4 is including holding power portion 5 and resilience portion 6, it sets up in the top of resilience portion 6 to hold power portion 5, the first portion of resilience portion 6 is equipped with steel needle 2 and outer needle holder 3, it sets up in shell 1 and drives steel needle 2 and outer needle holder 3 rebound on the resilience portion 6 and rebound portion 6 retraction shell 1 bottom to hold power portion 5, steel needle 2 is equipped with soft needle 7. By pre-tightening the wrench 51, turning the torsion spring 52 to build up force, after release via the cocking switch 54: the second sliding end 614 on the transition sleeve 61 moves downwards along the first guide groove 11 in a spiral manner, so as to drive the steel needle 2 on the mandrel 62 to move downwards, so that the steel needle 2 drives the soft needle 7 on the outer needle base 3 to penetrate into the subcutaneous layer of the user, and after the penetrating action is finished, the torsion spring 52 power continues to drive the one-way bearing 53 and the pre-tightening wrench 51 to rotate, meanwhile, the mandrel 62 rotates to break away from the buckle 621 and separate from the transition sleeve 61, the mandrel 62 rises along the second guide groove 622 in a spiral manner to drive the steel needle 2 to retract into the shell 1, and the firing and retraction are rapid in work, so that 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.
The power accumulating part 5 comprises a pre-tightening wrench 51, a torsion spring 52, a one-way bearing 53 and a firing switch 54, a first limiting hole 12 and a second limiting hole 13 are formed in the top of the shell 1, one end of the torsion spring 52 is limited in the first limiting hole 12, the one-way bearing 53 is arranged at the bottom of the torsion spring 52, the pre-tightening wrench 51 is inserted in the center of the torsion spring 52 and drives the torsion spring 52 to contract, the pre-tightening wrench 51 is inserted in the rebounding assembly through the one-way bearing 53, and the firing switch 54 is arranged in the second limiting hole 13 and enables the torsion spring 52 to keep a compressed state. The section of the shaft rod of the pre-tightening wrench 51 is square, so that the torsion spring 52 and the shaft 62 can be conveniently driven, and the wrench is arranged at the top of the pre-tightening wrench 51 for rotating; the torsion spring 52 is in a circular ring shape and is sequentially wound into a disc shape, a square hole with the same cross section as the pre-tightening wrench 51 is formed in the center of the torsion spring, a protruding clamping block is arranged at the tail end of the torsion spring 52 and is arranged in the first limiting hole 12, the torsion spring 52 is contracted through rotation of the pre-tightening wrench 51 to store force, the one-way bearing 53 rotates along with the pre-tightening wrench 51 in a force storage stage, and the spindle 62 is prevented from being driven to rotate. The firing switch 54 bears against the torsion spring 52 and the firing wrench releases the torsion spring 52 to take up the force that drives the pretension wrench 51.
The center of the spindle 62 is provided with a first mounting hole 623, and the one-way bearing 53 is disposed in the first mounting hole 623. Utilize first mounting hole 623 to be convenient for place one-way bearing 53, wholly reduce highly making the utility model discloses a structure is inseparabler.
The first mounting hole 623 is provided with a driving hole 624, and the pre-tightening wrench 51 is inserted into the driving hole 624 and drives the spindle 62 to rotate. The driving hole 624 is shaped to correspond to the pre-tightening wrench 51, so that the pre-tightening wrench 51 can be used to drive the spindle 62 to rotate.
A first pin 611 and a second pin 612 are arranged on the transition sleeve 61, the first pin 611 and the second pin 612 are fixedly arranged on the transition sleeve 61, the first pin 611 and the second pin 612 are symmetrically arranged, a first sliding end 613 of the first pin 611 extends out of the inner wall of the transition sleeve 61, a second sliding end 614 of the first pin 611 extends out of the outer wall of the transition sleeve 61, a third sliding end 615 of the second pin 612 extends out of the inner wall of the transition sleeve 61, and a fourth sliding end 616 of the second pin 612 extends out of the outer wall of the transition sleeve 61. The guide of the downward movement and the upward rebound of the core shaft 62 is facilitated at the first guide groove 11 and the second guide groove 622 by the first pin 611 and the second pin 612.
The first guide groove 11 and the second guide groove 622 are both spiral grooves and have opposite spiral directions, and an intersection point exists between the top ends of the first guide groove 11 and the second guide groove 622. Because the guiding directions of the first guiding groove 11 and the second guiding groove 622 are opposite, the first guiding groove 11 is convenient for the mandrel 62 to move downwards to realize the outside-wall penetration of the steel needle 2 and the outer needle seat 3, and the second guiding groove 622 is convenient for the mandrel 62 to drive the steel needle 2 to retract and move upwards, so that the mandrel 62 and the steel needle 2 are hidden into the shell 1.
The second sliding end 614 is disposed in the first guide groove 11, and the third sliding end 615 is disposed in the second guide groove 622. The screw-down of the spindle 62 along the first guide groove 11 is facilitated by the second sliding end 614, and the screw-up of the spindle 62 along the first guide groove 11 is facilitated by the third sliding end 615.
As shown in fig. 3, in the initial state, the torsion spring 52 is tightened by the pre-tightening wrench 51 to store the force on the torsion spring 52, which can be done during the production process or by the user, after storing the force, the steel needle 2 and the spindle 62 are both placed in the housing 1, and the outer needle holder 3 is placed at the bottom of the housing 1.
As shown in fig. 4, in the cocked state, upon release of the cocking switch 54: second slip end 614 on transition cover 61 is along the spiral downstream of first guide way 11, and then drives the 2 downstream of steel needle on the dabber 62, makes the hose that steel needle 2 drove on the outer needle file 3 pierce user's subcutaneous layer, and pierces the action after the completion and outer needle file 3 stays on the skin surface, and dabber 62 rotates simultaneously and breaks away from buckle 621 and the separation of transition cover 61.
In the retracted state, as shown in fig. 5, after the puncturing operation is completed, the torsion spring 52 continues to drive the one-way bearing 53 and the pre-tightening wrench 51 to rotate, and the spindle 62 is screwed up along the second guiding groove 622 to drive the needle 2 to retract into the housing 1.
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. The needle ware is helped to needle is kept somewhere to rotation type, its characterized in that includes: shell, steel needle, outer needle file and rotatory subassembly of kick-backing, be equipped with first guide way on the shell, rotatory subassembly setting of kick-backing is inside and along first guide way downstream in the shell, rotatory subassembly of kick-backing is including holding power portion and resilience portion, hold the top that power portion set up in resilience portion, the first portion of resilience portion is equipped with steel needle and outer needle file, hold power portion set up in the shell and drive the steel needle in resilience portion and outer needle file move down and resilience portion retract shell bottom, the steel needle outside is equipped with soft needle.
2. The needle assisting device of the rotary indwelling needle according to claim 1, wherein the power accumulating part comprises a pre-tightening wrench, a torsion spring, a one-way bearing and a trigger switch, the top of the housing is provided with a first limiting hole and a second limiting hole, one end of the torsion spring is limited in the first limiting hole, the bottom of the torsion spring is provided with the one-way bearing, the pre-tightening wrench is inserted in the center of the torsion spring and drives the torsion spring to contract, the pre-tightening wrench is inserted in the rebound assembly through the one-way bearing, and the trigger switch is arranged in the second limiting hole and keeps the torsion spring in a compressed state.
3. The rotary indwelling needle assisting device according to claim 2, wherein the resilient part comprises a transition sleeve and a mandrel, a release buckle is arranged above the outer wall of the mandrel, the transition sleeve is limited on the outer wall of the mandrel through the release buckle, the outer wall of the mandrel is provided with a second guide groove, and the bottom of the mandrel is fixedly connected with the steel needle.
4. The rotary needle-remaining booster according to claim 3, wherein the center of the spindle is provided with a first mounting hole, and the one-way bearing is arranged in the first mounting hole.
5. The rotary needle-inserting aid according to claim 4, wherein the first mounting hole is provided with a driving hole, the pre-tightening wrench is inserted into the driving hole and drives the spindle to rotate.
6. The rotary type needle remaining assistor according to claim 3, wherein the transition sleeve is provided with a first pin and a second pin, the first pin and the second pin are fixedly arranged on the transition sleeve, the first pin and the second pin are symmetrically arranged, a first sliding end of the first pin extends out of an inner wall of the transition sleeve, a second sliding end of the first pin extends out of an outer wall of the transition sleeve, a third sliding end of the second pin extends out of the inner wall of the transition sleeve, and a fourth sliding end of the second pin extends out of the outer wall of the transition sleeve.
7. The rotary needle-remaining booster according to claim 3, wherein the first guide groove and the second guide groove are both spiral grooves and have opposite spiral directions, and there is a point of intersection between the top ends of the first guide groove and the second guide groove.
8. The rotary needle-indwelling needle assistant according to claim 6, wherein the second sliding end is disposed in a first guide groove and the third sliding end is disposed in a second guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439742.9U CN217091657U (en) | 2021-12-31 | 2021-12-31 | Rotary type indwelling needle assisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439742.9U CN217091657U (en) | 2021-12-31 | 2021-12-31 | Rotary type indwelling needle assisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217091657U true CN217091657U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123439742.9U Active CN217091657U (en) | 2021-12-31 | 2021-12-31 | Rotary type indwelling needle assisting device |
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| CN (1) | CN217091657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591041A (en) * | 2022-12-12 | 2023-01-13 | 北京深纳普思人工智能技术有限公司（Cn） | Injection needle device and drug delivery system |
| 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 |
-
2021
- 2021-12-31 CN CN202123439742.9U patent/CN217091657U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591041A (en) * | 2022-12-12 | 2023-01-13 | 北京深纳普思人工智能技术有限公司（Cn） | Injection needle device and drug delivery system |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 |
|
| CP03 | Change of name, title or address |