CN103654969A - Medical needle aiding device - Google Patents
Medical needle aiding device Download PDFInfo
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- CN103654969A CN103654969A CN201310721086.2A CN201310721086A CN103654969A CN 103654969 A CN103654969 A CN 103654969A CN 201310721086 A CN201310721086 A CN 201310721086A CN 103654969 A CN103654969 A CN 103654969A
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- medical treatment
- pin device
- overcoat
- connecting rod
- inner core
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Abstract
The invention discloses a medical needle aiding device, and belongs to medical instruments. The medical needle aiding device comprises a hollow outer cover, an inner core and a pulling rod, the two ends of the outer cover are open, the inner core moves axially inside the outer cover, the pulling rod is used for driving the inner cover to do axial movement, the inner cover comprises a storage plate, a connecting rod and an end cover, a step is arranged inside the outer cover, and an elastic part is arranged between the step and the end cover. The problem that a blood glucose sensor is hard to wear is well solved through the ingenious structural design and the connecting relation among the components, the purpose of stably and accurately aiding a needle is achieved, the consistency of needle puncturing is improved, and the efficient and fast injecting process is achieved. The medical needle aiding device is simple in structure and compact in connection and can be used repeatedly.
Description
Technical field
The present invention relates to a kind of armarium, especially for the injection device that helps pin.
Background technology
On existing market, there is a kind of dynamic blood sugar monitoring system.Dynamic blood sugar monitoring system (RGMS) is a kind of novel lasting dynamic blood sugar monitoring system that drops in recent years clinical use, and it connects a similar syringe needle of detecting head, and detecting head is inserted subcutaneous tissue of abdomen gently.Detecting head diameter is very little, and while inserting, patient is without obviously keenly feeling and sense of discomfort.Instrument interval certain hour accepts once to reflect the signal of telecommunication of change of blood sugar from detecting head, by multi collect to signal of telecommunication meansigma methods transform into blood glucose value and store.Can record a hundreds of blood glucose value every day.Dynamic Blood Glucose Monitoring instrument can also store dining, motion, medication equal time simultaneously.Such one can allow patient without every day, stand the pain of pinprick again, and it can provide every day blood glucose figure, many days blood glucose figure fluctuation tendencies analyze and every day blood glucose level data brief summary, be the new breakthrough of blood sugar test.
For how steadily, accurately detecting head is sent into subcutaneous tissue, for native system, be very important.
Summary of the invention
Object of the present invention, is to solve the problems of the technologies described above, and provides a kind of can fast, precisely, stably sniffer being worn to help pin device on human body.
Technical solution of the present invention is: a kind of medical treatment helps pin device, comprises the overcoat of both ends open inner hollow, in overcoat, makes the pull bar that inner core axially moves described in the inner core of axially-movable and start; Described inner core comprises storage disk, connecting rod and end cap; In described overcoat, step is set, between described step and storage disk, elastic component is set.
Sniffer is installed in storage disk, and the sniffer on existing market comprises pedestal and pin, and blood glucose sensor is installed in pedestal.By pull bar, pull the inner core segment distance that moves, releasing lever then, inner core, under the reaction force acts of elastic component, is done return motion, and the pin on start pedestal inserts people's subcutaneous tissue.Help like this pin device can guarantee that pin can vertically insert human body, the unprofessional situation with wearing sniffer difficulty of manual contact pin before having solved.
As preferably, described outer putting is provided for allowing inner core keep preparing to help the stop member of needle-like state.Can make like this to help the transients of pin more steady.And can solve in the process that helps pin, when patient is known can releasing lever, just can have enough active forces that pin is driven in human body.Patient can select reasonably to help the pin time.If there is no this stop member, need that patient accomplishs without any letup from pull bar, to helping, pin is disposable to be completed, but the process of drawing helps pin device to tend to depart from the original position of human body because of the reason of operator's pulling force, or do not move position to, elastic component does not have enough restoring forces that stylus printer is entered in human body.So can first will help pin device to move certain position to, then with stop member, suspend, then by helping pin device to aim at the position that needs injection, then open stop member, pin just can be implanted subcutaneous tissue smoothly.
As preferably, described stop member comprises the groove that is opened in overcoat one side, offers for the through hole A through connecting rod on described groove; In described groove, stopper is set, is provided for depositing the slotted eye B of spring on stopper, in the socket position of connecting rod, cannelure is set, stopper is socketed in cannelure, in cannelure, near slot opening one side place, briquetting is set.When pull bar rises to cannelure parallel with stopper time, stopper can be under the active force of spring, in embedding cannelure, stopper also can protrude the surface of overcoat, stopper will block connecting rod simultaneously, connecting rod can not be moved up and down, so also just make the whole state that helps pin device to keep preparing to help pin.If all set, just stopper can be pressed back in overcoat, but briquetting in cannelure can stop that the opposite side of stopper is embedded in cannelure, connecting rod has not had barrier force, will directly drive base motion, and pedestal drives in the pin implant into body of installing above.
As preferably, between described end cap and connecting rod, be threaded, and by bolt, pull bar and connecting rod linked together.In order to prevent pulling out inner core from outside, so the connecting rod of inner core passes step, then the end thread of connecting rod connects end cap, and end cap can block step, prevents that whole inner core is drawn out.And bolt can be connected pull bar with connecting rod, make the motion that the motion of pull bar can drivening rod, also just drive inner core motion simultaneously.
As preferably, described pull bar comprises handle portion and push rod.Push rod is the center through connecting rod, directly acts on pedestal.Active force is more direct like this, prevents because of syndeton dissipation of ferees.
As further preferably, on push rod, offer for the bolt hole through bolt; Described bolt hole is strip hole.Push rod, end cap and connecting rod just can be connected as a single entity by bolt like this.As for bolt hole, be strip hole, can make a push rod mobile segment distance again.Because pedestal and storage disk are to removably connect, and pedestal is general consistent with the inner space shape of storage disk, is very difficult, so can allow push rod eject pedestal if dismantle from the outside pedestal.
As preferably, the described outer dismounting mouth of offering for demounting bolt that puts.
As preferably, in described handle portion, be provided for the buffer spring that helps push rod to set back after ejecting product.This product is the sniffer of blood glucose sensor-based system.
As preferably, the end of described push rod arranges cushion.Because the end of push rod will contact with pedestal, cushion can effectively be protected push rod and pedestal.
As preferably, described sleeve surface sets out pore and venthole.Due to when helping pin, overcoat and human body close contact, and in the interior space of overcoat, pedestal can enter in human body at moment start stylus printer, in space, air needs moment to discharge like this, for air in space is discharged smoothly, improves the success rate that helps pin, so be provided with venthole, for aerofluxus.And because venthole by Bas Discharged after, air inlet is air amount fast, guarantees that overcoat internal gas pressure is stable.
Beneficial effect of the present invention is:
This medical treatment is had an injection device by structure setting cleverly and annexation between parts, well solve blood glucose sensor and worn difficult problem, reached and steadily, precisely helped the object of pin, and improved the concordance being needled into, realized the process of having an injection efficiently, fast.This apparatus structure is simple, connects closely, and can be repeatedly used.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structure exploded perspective view;
Fig. 2 is embodiment of the present invention cross-sectional view.
In figure: 1-inner core, 11-storage disk, 12-connecting rod, 121-cannelure, 122-briquetting, 13-end cap, 14-bolt, 2-overcoat, 21-step, 22-groove, 221-through hole A, 222-through hole B, 223-spring, 23-dismantles mouth, 24-venthole, 3-pull bar, 31-handle portion, 32-push rod, 33-bolt hole, 34-buffer spring, 35-cushion, 4-elastic component, 5-stop member, 51-stopper, 6-pedestal.
The specific embodiment
Below in conjunction with accompanying drawing, with embodiment, the invention will be further described.
Embodiment 1, and as shown in Figure 1-2, it is to help sniffer to be worn to the effect on human body that this medical treatment helps pin device, and sniffer comprises pedestal 6 and is connected to the pin on pedestal 6.A kind of medical treatment help pin device comprise the overcoat 2 of both ends open inner hollow, at the interior inner core 1 of axially-movable and the pull bar 3 that start inner core 1 axially moves done of overcoat 2; Described inner core 1 comprises storage disk 11, connecting rod 12 and end cap 13; The interior pedestal 6 that arranges of storage disk 11; The interior blood glucose sensor that arranges of pedestal 6, blood glucose sensor is connected on the pin being arranged on outside pedestal, and pedestal 6 and pin all form a complete production network.It is exactly to help the stylus printer on pedestal 6 to enter human body that our this medical treatment helps pin device, and is that pedestal 6 is worn on human body.The interior step 21 that arranges of described overcoat 2, arranges elastic component 4 between described step 21 and storage disk 11; Described elastic component 4 can be spring or other tensile parts.Operator just can pull pull bar 3 in use like this, pull bar 3 can drive connecting rod 12 motions of inner core 1, when being stretched to certain phase, when namely the bounce of elastic component 4 is enough, just can releasing lever 3, that is under the counteracting force of elastic component, and inner core 1 can move moment, drives the pin being arranged on pedestal 6 to be expelled in human body simultaneously.But often do not know when to be only can releasing lever 3 time, so be provided for allowing inner core 1 keep preparing to help the stop member 5 of needle-like state on overcoat 2 for user.As long as patient moves position accurately to like this, stop member 5 just can suspend the process of drawing, and patient does not just need experience to determine the length stretching.
Described stop member 5 comprises the groove 22 that is opened in overcoat 2 one sides, offers for the through hole A221 through connecting rod 3 on described groove 22; The interior stopper 51 that arranges of described groove 22, on stopper 51, be provided for depositing the slotted eye B222 of spring 223, socket position at connecting rod 12 arranges cannelure 121, and stopper 51 is socketed in cannelure 121, and cannelure 121 is interior arranges briquetting 122 near groove 22 opening one side places.When pull bar 3 rises to cannelure 121 parallel with stopper 51 time, stopper 51 can be under the active force of spring 223, embed in the cannelure 121 of connecting rod 12, stopper 51 also can protrude the surface of overcoat 2, stopper 51 will block connecting rod 12 simultaneously, connecting rod 12 can not be moved up and down, so also just make the whole state that helps pin device to keep preparing to help pin, also guaranteed that elastic component 4 has possessed enough active forces stylus printer is entered in human body simultaneously.
In order to prevent that inner core 1 is drawn out in overcoat 2, so the diameter of end cap 13 is will be much larger than the diameter of through hole A221 certainly.If end cap 13 is connected with connecting rod 12 one, will make inner core 1 cannot pack in overcoat 2, so be threaded between end cap 13 and connecting rod 12.And helping the final stage of pin, during also with regard to the range of push rod motion, end cap 13 can and step 21 collisions, power is at this moment very large, so cushion or other elastomers are set at step 21 towards a side of end cap 13, cushion the impulsive contact force of collision between end cap 13 and step 21.
Described pull bar 3 comprises handle portion 31 and push rod 32.On push rod 32, offer for the bolt hole 33 through bolt 14; Described bolt hole 33 is strip hole.Connecting rod 12 and push rod 32 just can link together by bolt 14 like this, have also just guaranteed that inner core 1 and pull bar 3 link together, and when guaranteeing to pull handle portion 31, inner core 1 also can follow together and move.On described overcoat 2, also offer the dismounting mouth 23 for demounting bolt 14.Need only rotary inner core 1, make bolt 14 aim at dismounting mouth 23, just can stretch into dismounting mouth 23 with instrument and carry out demounting bolt 14.
As shown in Figure 2, push rod 32 is through connecting rod 12 center, directly arrives the inner space of storage disk 11, and the bolt hole 33 of push rod 32 to be set to strip hole be can depart from a freely movable segment distance of connecting rod 12 for push rod 32.And pedestal 6 all removably connects with storage disk 11, storage disk 11 can arrange card interface on both sides, can be convenient for changing pedestal 6 like this.But the inner space of the volume of pedestal 6 and storage disk 11 is all similar size, so in the time will changing pedestal 6, want that from outside dismounting pedestal 6 be more difficult, so strip hole is set on push rod 32, allow push rod 32 can freely eject a segment distance, and this ejects effect, just pedestal 6 can be ejected in storage disk 11, thereby realize disassembling function.The fit dimension that pedestal 6 coordinates with this clamping of storage disk 11 simultaneously can not be long, if long, will allow push rod 32 be difficult to eject pedestal 6.And in handle portion 31, be provided for helping push rod 32 ejecting the buffer spring 34 setting back after pedestal 6.Originally help pin device by being needled into after human body on pedestal, can promote push rod 32 to pedestal 6 direction motions again, because pedestal 6 is under the counteracting force of human body, medical treatment helps pin device can depart from pedestal 6, thereby completes the whole pin process that helps.
Because push rod 32 can directly contact with pedestal 6, because push rod 32 can directly contact with product, repeatedly use can allow product surface wear and tear, so in order to protect the surface of pedestal 6, so the end of push rod 32 arranges cushion 35.
Finally, operator is pressing stop member 5, when starting to help pin, overcoat 2 is the skin that fits tightly user, is airtight like this with regard to causing the space in overcoat 2, and pin on pedestal 6 was squeezed in human body in moment, the athletic meeting of pedestal 6 produces the air pressure increase along with dwindling of space in overcoat 2, thereby weakened the active force of pull bar 3 start inner core 1 motions, thus at the close end edge place of overcoat 2, set out pore 24, for exhaust pressure relief.Venthole 24 is after Bas Discharged, and suction hole 241 just can air amount, stablizes overcoat 2 internal gas pressures.
Claims (10)
1. medical treatment helps a pin device, it is characterized in that: comprise the pull bar (3) that inner core (1) axially moves described in the overcoat (2) of both ends open inner hollow, the inner core (1) of doing axially-movable in overcoat (2) and start; Described inner core (1) comprises storage disk (11), connecting rod (12) and end cap (13); Step (21) is set in described overcoat (2), between described step (21) and storage disk (11), elastic component (4) is set.
2. by a kind of medical treatment claimed in claim 1, help pin device, it is characterized in that: on described overcoat (2), be provided for allowing inner core (1) keep preparing to help the stop member (5) of needle-like state.
3. by a kind of medical treatment claimed in claim 2, help pin device, it is characterized in that: described stop member (5) comprises the groove (22) that is opened in overcoat (2) one sides, on described groove (22), offer for the through hole A(221 through connecting rod (12)); Stopper (51) is set in described groove (22), on stopper (51), be provided for depositing the slotted eye B(222 of spring (223)), in the socket position of connecting rod (12), cannelure (121) is set, stopper (51) is socketed in cannelure (121), in cannelure (121), near groove (22) opening one side place, briquetting (122) is set.
4. by a kind of medical treatment claimed in claim 3, help pin device, it is characterized in that: between described end cap (13) and connecting rod (12), be threaded, and by bolt (14), pull bar (3) and connecting rod (12) linked together.
5. by a kind of medical treatment described in claim 1 or 4, help pin device, it is characterized in that: described pull bar (3) comprises handle portion (31) and push rod (32).
6. by a kind of medical treatment claimed in claim 5, help pin device, it is characterized in that: on push rod (32), offer for the bolt hole (33) through bolt (14); Described bolt hole (33) is strip hole.
7. by a kind of medical treatment claimed in claim 6, help pin device, it is characterized in that: on described overcoat (2), offer the dismounting mouth (23) for demounting bolt (14).
8. by a kind of medical treatment claimed in claim 5, help pin device, it is characterized in that: in described handle portion (31), be provided for the buffer spring (34) that helps push rod (32) to set back after ejecting product.
9. a kind of medical treatment claimed in claim 7 helps pin device, it is characterized in that: the end of described push rod (32) arranges cushion (35).
10. by a kind of medical treatment described in claim 1 or 7, help pin device, it is characterized in that: described overcoat (2) surface sets out pore (24) and suction hole (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721086.2A CN103654969B (en) | 2013-12-24 | 2013-12-24 | A kind of medical treatment helps pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721086.2A CN103654969B (en) | 2013-12-24 | 2013-12-24 | A kind of medical treatment helps pin device |
Publications (2)
| Publication Number | Publication Date |
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| CN103654969A true CN103654969A (en) | 2014-03-26 |
| CN103654969B CN103654969B (en) | 2015-12-30 |
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| CN201310721086.2A Active CN103654969B (en) | 2013-12-24 | 2013-12-24 | A kind of medical treatment helps pin device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193421A (en) * | 2014-06-13 | 2015-12-30 | 尔湾投资控股有限公司 | Real-time dynamic glucose single-soft-needle sensor and special needle assistance device thereof |
| CN107361775A (en) * | 2017-07-24 | 2017-11-21 | 湖州美奇医疗器械有限公司 | A kind of blood glucose meter |
| CN113082585A (en) * | 2021-04-09 | 2021-07-09 | 安徽大学 | Automatic tripping device for clamping type fire-fighting interface |
| CN113827230A (en) * | 2021-10-09 | 2021-12-24 | 浙江凯立特医疗器械有限公司 | Implantable biosensor implanter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105193421A (en) * | 2014-06-13 | 2015-12-30 | 尔湾投资控股有限公司 | Real-time dynamic glucose single-soft-needle sensor and special needle assistance device thereof |
| CN107361775A (en) * | 2017-07-24 | 2017-11-21 | 湖州美奇医疗器械有限公司 | A kind of blood glucose meter |
| CN113082585A (en) * | 2021-04-09 | 2021-07-09 | 安徽大学 | Automatic tripping device for clamping type fire-fighting interface |
| CN113827230A (en) * | 2021-10-09 | 2021-12-24 | 浙江凯立特医疗器械有限公司 | Implantable biosensor implanter |
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| Publication number | Publication date |
|---|---|
| CN103654969B (en) | 2015-12-30 |
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