CN107281584A

CN107281584A - Malleation pressurization no-needle transfusion transfusion safety device

Info

Publication number: CN107281584A
Application number: CN201610203248.7A
Authority: CN
Inventors: 汪贤宗; 郑万华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-01
Filing date: 2016-04-01
Publication date: 2017-10-24

Abstract

The present invention is to provide a kind of malleation pressurization no-needle transfusion transfusion safety device, and it includes：One pusher, stores elastic force, a malleation wound packages puts interior provided with a piston, and the piston is installed on push cylinder, and makees malleation pressure transfusion or blood transfusion by spring extension release elastic force push piston with compressed liquid provided with a push cylinder with compression spring.

Description

Malleation pressurization no-needle transfusion transfusion safety device

Technical field

The present invention is that espespecially one kind is used in transfusion device or syringe on a kind of malleation pressurization no-needle transfusion transfusion safety device The subsequent job for completing injection provides positive pressure needle-free connector, to the automatic push-in decoction of patient is without tube sealing or changes pipe, to make Certain drug delivery pressure is often kept in remaining needle, is finished until decoction discharges completely, is blocked with being greatly reduced in needle tubing, Again extract the puzzlement of needle tubing and reduce the heavy operating pressure of healthcare givers.

Background technology

To be treated it has been a kind of normality using injection, infusion model in modern medicine, existing positive pressure needle-free connection Component includes valve casing, valve rod, spring, valve seat.In use, malleation can be produced when transfusion device or syringe are extracted, can Decoction is pushed forward into, it is to avoid blood backflow and form thrombus, reduce plugging rate.In practical operation, whether Transfusion device or syringe, when being exited from remaining needle, also need a small amount of tube sealing.

Notification number CN202397883U " sustainable positive pressure needleless connecting component " Patent Case, is used primarily in transfusion device or note The subsequent job that emitter completes injection provides positive pressure needle-free connector with to the automatic push-in decoction of patient is without tube sealing or changes Pipe, pin connector is to the automatic push-in decoction of patient is without tube sealing or changes pipe, to make often to keep certain drug delivery in remaining needle Pressure, is finished until decoction discharges completely, is blocked with being greatly reduced in needle tubing, the puzzlement and reduction of needle tubing are extracted again The heavy operating pressure of healthcare givers.

Though the Patent Case conception is good, the needleless connector is remained in the not good enough shortcoming of many designs, for example：This is just Casting die 2 is that the decoction in positive casting die inner casing 21 is pushed with gravity spring 22, when decoction is filled with positive casting die inner casing 21 only by just Check-valve port 23 at the top of casting die is filled with decoction, because positive casting die inner casing 21 is vacuum state, especially in its huge spring housing Gravity spring 22 resistance it is quite big, because one side to overcome vacuum reaction force, a face balance overcomes gravity spring again 22 reaction, decoction is squeezed into the case of the bore of check-valve port and the bore of positive casting die inner casing are not contrasted by check-valve port It is extremely difficult, and its quite a length of maximum missing of activity duration.

Furthermore, it is with the slow speed progress point of 5-10 drops per minute between the positive casting die and valve rod 12 by capillary 24 by decoction Instillation is penetrated, and the patient's quick blood transfusion for being not particularly suited for first aid blood transfusion is used, and the speed of its transfusion can not be adjusted, and use it Way is severely limited, and needs to be improved in fact.

The present inventor is in view of the positive pressure needle-free transfusion and blood transfusion structure of existing syringe etc., and it uses upper shortcoming and its structure The fact that do not attain ideal in design, that is, set about researching and developing its solution, inventor wish to develop a kind of more steadiness, Security and the malleation pressurization no-needle transfusion transfusion safety structure for meeting manufacture economic benefit, with service society masses and promotion The development of this industry, then through it is many when design and give birth to.

The content of the invention

It is a primary object of the present invention to provide a kind of malleation pressurization no-needle transfusion transfusion safety device, what it was infused or transfused blood Speed can be according to adjustment be actually needed, and its first aid purposes that can be applied not only to quick blood transfusion enables excessive blood loss person quickly to supplement The drop purposes at a slow speed of liquid and anesthetic liquid medicine, and the liquid in needle tubing can be made not solidify and keep normal.

Time purpose of the present invention is to provide the liquid in a kind of malleation pressurization no-needle transfusion transfusion safety device, its positive pressure cylinder Body filling can exempt from via independent check valve pin chemicals dosing plant be directly filled with and make malleation wound packages put in spring temporarily pin it Elastic force is pushed, waits liquid to be postponed full of malleation wound packages and gives release malleation wound packages to put interior elastic acting force again, thus it is several during dosing Have no resistance, therefore can quickly be filled with decoction.

Another object of the present invention is to provide a kind of malleation pressurization no-needle transfusion transfusion safety device, due to the conveying of its liquid Time be more than 36 hours need not needle exchange, significantly mitigate the medical nursing work burden of hospital, and can mitigate patient's Pain.

Still a further object of the present invention is to provide a kind of malleation pressurization no-needle transfusion transfusion safety device, due to the conveying of its liquid It is the elastic acting force push by spring, therefore, the height of cylinder of infusing, position, environment and unrestricted.

A more purpose of the invention is to provide a kind of malleation pressurization no-needle transfusion transfusion safety device, because its spring is adjustable Reduction length, therefore, can adjust the elastic force of spring and then adjusts the speed for pushing transfusion, transfusing blood.

The present invention is in order to reach above-mentioned purpose and effect, and practiced technology contents are that the device includes a pusher, Include a sleeve, a push cylinder and an adjustment cover；The sleeve sets a hollow chamber and is arranged push cylinder, the sleeve rear end Provided with screw thread, push cylinder sets a hollow chamber and is arranged and top supporting spring, and the adjustment cover is screwed together in sleeve；One spring, The spring one end, which is held, to be pushed in cylinder, and the other end is held in adjustment cover inner bottom surface；One malleation wound packages is put, and includes one Transfusion cylinder, a piston and a transfusion cover；Transfusion cylinder front end is provided with a pipe joint to be socketed woven hose, and the pipe joint has There is the through hole inside connection transfusion cylinder, the transfusion tube rear end screws togather transfusion cover, and the piston is plugged in before push cylinder End, the piston rear end both sides are provided with trip, and the transfusion cover sets a center set hole and a bulge loop, cylinder, bullet are pushed to wear Spring and sleeve is arranged, the bulge loop both sides of the transfusion cover are respectively equipped with the narrow fixing hole in the wide one end in one end, for piston both sides Trip wear, and rotate the narrow end that the transfusion cover makes trip be located in fixing hole, will not be moved with engaging piston；And Compression spring is pushed by push cylinder to store elastic force, then takes off the wide end of trip through fixing hole by the transfusion cover is rotated From the locking to piston, and spring is upheld release elastic force, push piston and malleation pressure transfusion, blood transfusion are made with compressed liquid.

Described sleeve rear end is provided with screw thread, and the adjusting cylinder is covered with internal screw-thread screw in the screw thread of sleeve, and should by adjustment The pressure for screwing togather position, spring being adjusted to adjust the reduction length of spring of sleeve and adjustment cover.

The front end of described push cylinder reduces bulge loop provided with one, and the rear side correspondence of the piston pushes the bulge loop of cylinder, and to set an annular recessed Groove is closely to plug push cylinder.

The both sides trip of described piston is provided with Ka Zhi Cervical portions, trip is passed through after the wide end of fixing hole, rotates transfusion cover Engaged to the narrow end of fixing hole.

Described transfusion cylinder sets a check valve and exempts from pin chemicals dosing plant.

Described transfusion cylinder sets an exhaust outlet and another exhaust outlet.

Described transfusion cylinder sets an exhaust outlet and a tongs and another exhaust outlet and blind nut.

Described woven hose sets a check valve and exempts from pin chemicals dosing plant

Described check valve exempts from pin chemicals dosing plant and is connected with a microcapillary, and the transfusion needle is changed to remaining needle, applied to tube sealing, to be somebody's turn to do Microcapillary pore size is more than 1 micron.

Described check valve exempts from pin chemicals dosing plant and is connected with woven hose to be connected with a microcapillary again with applied to anesthesia, the fine pore Footpath size is more than 1 micron.

The present invention is in order to reach above-mentioned purpose and effect, and practiced another technology contents are that the device includes one and pushed Device, includes a sleeve, a push cylinder and an adjustment cover；The sleeve sets a hollow chamber and is arranged push cylinder, the set Tube rear end stage casing is provided with screw thread, and push cylinder sets hollow chamber's sheathed spring, and the adjustment cover is screwed together in sleeve, the tune Whole cover simultaneously sets hollow convex cylinder in the middle of bottom, and hollow convex cylinder front end sets a bulge loop with sheathed spring；One spring, one End holds the front end face in the hollow convex cylinder of adjustment cover；One malleation wound packages is put, and includes transfusion cylinder, a piston and one Transfusion cover, transfusion cylinder front end is provided with a pipe joint to be socketed woven hose, and the pipe joint has connection transfusion tin internal Through hole, the transfusion tube rear end screws togather transfusion cover, and the piston is plugged in the front end of push cylinder, the piston rear end both sides Provided with trip, the spring other end is held on piston, and the transfusion cover sets a center set hole and a bulge loop, is pushed away with wearing Send cylinder, spring and be arranged sleeve, the bulge loop both sides of the transfusion cover are respectively equipped with the narrow fixing hole in the wide one end in one end, for The trip of piston both sides is worn, and rotates the narrow end that the transfusion cover makes trip be located in fixing hole, will not to engage piston It is mobile；And by push cylinder to push compression spring to store elastic force, being rotated further by the transfusion cover makes trip correspondence through admittedly Determine the wide end in hole, to depart from locking of the transfusion cover to piston, and spring is upheld release elastic force, push piston to compress Liquid makees malleation pressure transfusion, blood transfusion.

Described sleeve rear end stage casing is provided with screw thread, and the adjustment cover inner circumferential is provided with threads in sleeve, and should by adjustment The pressure for screwing togather position, spring being adjusted to adjust the reduction length of spring of sleeve and adjustment cover.

Described woven hose sets a check valve and exempts from pin chemicals dosing plant.

The present invention is in order to reach above-mentioned purpose and effect, and practiced another technology contents are that the device includes one and pushed Device, includes an outer sleeve, an inner sleeve, a push rod and leader；The hollow chamber of the outer sleeve is interior to be arranged Sleeve；The hollow chamber of the inner sleeve is used to sheathed spring, and the inner sleeve front end is closely set in the pressing plate of push rod, and this is pushed away Bar front end is provided with a pressing plate with top supporting spring, the end locking handle of the push rod, with rotating push-rod；One spring, the spring One end is held on the pressing plate of push rod, and the other end holds the inside bottom surface in transfusion cover；One malleation wound packages, which is put, includes one Transfusion cylinder, a piston and a transfusion cover, transfusion cylinder front end is provided with a pipe joint to be socketed woven hose, and the pipe joint has There is a through hole, to connect transfusion cylinder, the transfusion tube rear end screws togather a transfusion cover, and the pressing plate of the piston and push rod is consolidated It is located at together, the transfusion cover central portion sets a center through hole, so that push rod is worn, the center through hole both sides are provided with projecting apertures, So that push rod can pass through, and position by transfusion cover lateral surface is locked on after push rod one angle of rotation, make piston not It can move；And by the push rod pull to rear end with pressing plate compression spring in minimum state to store elastic force, then push rod rotated one Angle, makes to be locked on transfusion cover, and push rod is locked to positioning, and entirety will not be moved, and the handle is turned It is dynamic push rod is rotated an angle, push rod is departed from the state of locking, spring starts to uphold, and release elastic force pushes pressing plate and work Fill in and compress transfusion liquid within the cartridge and make malleation pressure transfusion, blood transfusion.

Described outer sleeve front end is provided with an internal projecting ring, and overcoat tube rear end sets an outer bulge loop, and the rear end of the inner sleeve is set outside one Bulge loop, moves inner sleeve forward end, and hooks the internal projecting ring of dynamic outer sleeve with its outer bulge loop, and making outer sleeve, also forward end is moved It is dynamic, and can uphold spring and arrive maximum rating.

Described push rod front end is provided with a pressing plate with top supporting spring and fixed piston, and the push rod is provided with fin in body of rod both sides, And in the fin stage casing provided with locking recess.

Described push rod front end is provided with a pressing plate with top supporting spring and fixed piston, and the push rod is in body of rod both sides stage casing provided with convex Post.

Specific embodiment of the present invention, attached will be further described by following embodiment and in schema.

Brief description of the drawings

Fig. 1 is the schematic perspective view of first embodiment of the invention；

Fig. 2 is the three-dimensional exploded view of first embodiment of the invention；

Fig. 3 is the diagrammatic cross-section before the use state transfusion of first embodiment of the invention, blood transfusion；

Fig. 4 is the diagrammatic cross-section in the use state transfusion of first embodiment of the invention, blood transfusion；

Fig. 5 is upheld diagrammatic cross-section in maximum rating for the spring of first embodiment of the invention；

Fig. 6 adjusts the diagrammatic cross-section of state for the spring of first embodiment of the invention；

Fig. 7 is the schematic perspective view that first embodiment of the invention is applied to remaining needle；

Fig. 8 is that first embodiment of the invention is applied to schematic perspective view during anesthesia；

Fig. 9 is the schematic perspective view of second embodiment of the invention；

Figure 10 is the perspective exploded view of second embodiment of the invention；

Figure 11 is the diagrammatic cross-section before the use state transfusion of second embodiment of the invention, blood transfusion；

Figure 12 is the diagrammatic cross-section in the use state transfusion of second embodiment of the invention, blood transfusion；

Figure 13 is upheld diagrammatic cross-section in maximum rating for the spring of second embodiment of the invention；

Figure 14 adjusts the diagrammatic cross-section of state for the spring of second embodiment of the invention；

Figure 15 is second embodiment of the invention applied to schematic perspective view when anaesthetizing；

Figure 16 is the schematic perspective view of third embodiment of the invention；

Figure 17 is the perspective exploded view of third embodiment of the invention；

Figure 18 is the stereogram before the use state transfusion of third embodiment of the invention, blood transfusion；

Figure 19 is the diagrammatic cross-section before the use state transfusion of third embodiment of the invention, blood transfusion；

Figure 20 is upheld diagrammatic cross-section in maximum rating for the spring of third embodiment of the invention；

Figure 21 is third embodiment of the invention applied to schematic perspective view when anaesthetizing；

Figure 22 is another embodiment schematic perspective view of push rod of third embodiment of the invention.

Embodiment

It is that first embodiment of the invention stereogram is cutd open with exploded perspective schematic diagram and use state please refer to Fig. 1 to Fig. 5 Face schematic diagram.

Malleation pressurization no-needle transfusion transfusion safety device includes a pusher 10, a spring 20 and a malleation wound packages and put 30；The pusher 10 includes a sleeve 11, one and pushes the adjustment cover 13 of cylinder 12 and one；The hollow chamber of the sleeve 11 111 push cylinder 12 to be arranged, the center set hole that the front end of sleeve 11 makes to be sheathed on transfusion cover 33 provided with a flange 112 Can be engaged after 331, the rear end of sleeve 11 be provided with screw thread 113, with for adjusting cylinder lid 13 screw togather and adjust the sleeve 11 with Adjust the pressure for screwing togather position, spring 20 being adjusted to adjust the reduction length of spring 20 of cover 13；Push cylinder 12 Hollow chamber 121 is used to sheathed spring 20, and the front end of push cylinder 12 reduces bulge loop 122 to be closely plugged in work provided with one In the annular groove 321 of plug 32, and the front end of hollow chamber 121 of push cylinder 12 is set to form a concave ring part 123 to hold bullet One end of spring 20, the rear end of push cylinder 12 is provided with a flange 124, makes push cylinder 12 in the hollow chamber 111 of sleeve 11 Resistance is reduced during slip；The inner circumferential of adjustment cover 13 provided with screw thread 131 in order to screwing togather and adjust the position that screws togather with sleeve 11, And adjust the length and pressure of the compression of spring 20.

One end of the spring 20, which is held, is pushing the concave ring part 123 of cylinder 12, and the other end holds the inner bottom surface in adjustment cover 13 132。

The malleation wound packages puts 30 and includes the piston 32 of transfusion cylinder 31, one and a transfusion cover 33；31 front ends of transfusion cylinder are set There is a pipe joint 311, to be socketed woven hose 41, the pipe joint 311 has the through hole 312 connected inside transfusion cylinder 31, The transfusion 31 rear end peripheries of cylinder are screwed togather provided with screw thread 313 in order to transfusion cover 33, and piston 32 is set in transfusion cylinder 31；Should The bulge loop 122 that the rear side correspondence of piston 32 pushes cylinder 12 sets an annular groove 321 closely to plug push cylinder 12, the piston 32 And vertically extending trip 322 is set to the fixing hole 333 for the cover 33 that should infuse on the outside of rear end, the both sides trip 322 is set There are Ka Zhi Cervical portions 3221 trip 322 is turned at narrow end and is engaged after passing through the wide end of fixing hole 333；The transfusion cover 33 set a center set bulge loop 332 of hole 331 and one, to wear push cylinder 12, spring 20 and be arranged sleeve 11, the transfusion cover 33 both sides of bulge loop 332 are asymmetric provided with two ends, the fixing hole 333 that the narrow end of a wide end one is connected with, for the trip of piston 32 322 wear and are rotated locking.

The malleation wound packages puts 30 for other drugs to be added, such as nutrient, anodyne, can be after transfusion cylinder 31 End side sets a check valve and exempts from pin chemicals dosing plant 34；And the malleation wound packages puts 30 in filling or liquid make-up such as decoction or blood When, a steam vent 35 and tongs 36 can be set in the opposite side of 31 rear ends of transfusion cylinder, and one is set in 31 front ends of transfusion cylinder There is a film in exhaust outlet 37 and blind nut 371, the exhaust outlet 35 and exhaust outlet 37, can be vented, but not allow liquid flow Go out (not shown), the exhaust outlet 35 simultaneously set one have the collar 352 lid 351, the tongs 36 can ensure that transfusion or Liquid will not be allowed to flow out during blood transfusion；The exhaust outlet 37 then covers to ensure to allow liquid in transfusion or blood transfusion with blind nut 371 Body flows out.

After transfusion cylinder 31 front end pipe joints 311 socket woven hose 41, check valve can be connected with and exempt from pin chemicals dosing plant 40, then connected If woven hose 42, then connect pulley controlling switch 43 and thread rope mouthful 44 to connect transfusion needle 45.

Fig. 3 to Fig. 5 is referred to, is the use state diagrammatic cross-section of first embodiment of the invention, before first embodiment use Liquid 314 is had been filled with transfusion cylinder 31, now, piston 32 is located at the rearmost end of transfusion cylinder 31, the rear end face top of piston 32 The front end boss 112 of the inner bottom surface and sleeve 11 in transfusion cover 33 is held, and the rear end of sleeve 11 is held in adjustment cover 13 Inner bottom surface 132, i.e. spring 20 are compressed in minimum state, make spring 20 compression storage elastic force, due to piston 32 with its two The Ka Zhi Cervical portions 3221 of side trip 322 be locked on transfusion the both sides fixing hole 333 of cover 33 narrow end and cause integrally will not move Dynamic (such as Fig. 3).

When to infuse or transfuse blood, as long as the transfusion cover 33 is turned at the wide end correspondence trip 322 of fixing hole 333, Both sides trip 322 is departed from the state engaged through fixing hole 333, allow spring 20 to start extension release elastic force and push forward Push cylinder 12 and piston 32, to compress, the liquid 314 in transfusion cylinder 31 is infused, blood transfusion is acted (such as Fig. 4 and Fig. 5 institutes Show), first embodiment of the invention is due to being to make malleation pressurization by spring 20 to push transfusion, blood transfusion, therefore transfusion, blood transfusion When need not add conduit, can drip within one minute 100~300 drop, and can make quick infusion, blood transfusion, the adjustment of its liquid droping speed It is identical with existing method, controlled by pulley controlling switch 43, and should be determined by doctor.

Before transfusion, blood transfusion or in transfusion, blood transfusion way, for other drugs to be added, such as nutrient, anodyne, Pin chemicals dosing plant 34 can be exempted from the check valve of 31 rear ends of transfusion cylinder to add.

And to make second of transfusion, blood transfusion or in transfusion, blood transfusion way when transfusion, blood transfusion are finished, to fill or replenisher During body 314, first woven hose 42 can be closed with pulley controlling switch 43, the lid 351 of exhaust outlet 35 is secondly opened into exhaust, And the blind nut 371 of exhaust outlet 37 is opened into exhaust, then the corresponding trip of wide end that the transfusion cover 33 is turned into fixing hole 333 At 322, both sides trip 322 is set to may pass through the wide end of fixing hole 333, and the liquid for supplementing bag can exempt from pin by check valve and add Medicine device 40 is added, and flows into transfusion cylinder 31, and makes the compression storage elastic force of spring 20, and after hydraulically full 314, is rotated Transfusion cover 33 makes piston 32 be locked on the transfusion both sides fixing hole of cover 33 with the Ka Zhi Cervical portions 3221 of its both sides trip 322 Engaged at 333 narrow end so that overall will not move.

Referring to Fig. 6, first embodiment of the invention adjustment cover 13 can be screwed on the rearward end position of sleeve 11, make spring 20 reduction length is lengthened, therefore, can adjust the elastic force of spring 20, and then adjust push transfusion, the speed of blood transfusion.

Exchanged referring to Fig. 7, first embodiment of the invention can exempt from check valve pin chemicals dosing plant 40 with pulley controlling switch 43 Position, and exempt from the rear end of pin chemicals dosing plant 40 plus a microcapillary 50 in check valve, and transfusion needle 45 is changed to remaining needle 46, with It is easy to tube sealing, exempts from pin chemicals dosing plant 34 and be then changed to the jack 38 of dropping bottle to connect dropping bottle 39.

Referring to Fig. 8, first embodiment of the invention be applied to anesthesia when, it is necessary to plus a microcapillary 50, controlling dropping liquid speed Spend and only drip anesthetic liquid medicine for each minute.First embodiment of the invention described above is the purpose reused, and is such as made First use is that when abandoning, can omit the exhaust outlet 35, tongs 36 and exhaust outlet 37, blind nut 371 and obtain phase Same effect.

Fig. 9 is referred to Figure 13, be malleation of the present invention pressurization no-needle transfusion transfusion safety device second embodiment stereogram with Exploded perspective schematic diagram and use state diagrammatic cross-section.Its structure is identical with first embodiment major part and with identical work( Can, therefore be marked with same-sign and omit the description, both are difference：Pusher 10A includes a sleeve 11A, one Push the adjustment cover of cylinder 12 and one 13A；Sleeve 11A hollow chamber 111A pushes cylinder 12, sleeve 11A to be arranged Front end makes to engage after being sheathed on the center set hole 331 of transfusion cover 33 provided with a flange 112A, in sleeve 11A rear ends Section is provided with screw thread 113A, is screwed togather with for adjusting cylinder lid 13A；Adjustment cover 13A inner circumferentials be provided with screw thread 131A, in order to What sleeve 11A screwed togather and adjusted sleeve 11A and adjustment cover 13A screws togather position, to adjust the reduction length of spring 20 The pressure of spring 20 is adjusted, the adjustment cover 13A simultaneously sets hollow convex cylinder 133A in the middle of bottom, hollow convex cylinder 133A Front end sets a bulge loop 134A with sheathed spring 20.

The high spot other end that the one end of spring 20 is held in piston 32 holds the hollow convex cylinder 133A in adjustment cover 13A Front end face.

Figure 11 to Figure 13 is referred to, is the use state diagrammatic cross-section of second embodiment of the invention, second embodiment is used Liquid 314 is had been filled with preceding transfusion cylinder 31, now, piston 32 is located at the rearmost end of transfusion cylinder 31, the rear end face of piston 32 The front end bead 112A of the inner bottom surface and sleeve 11A in transfusion cover 33 is held, and sleeve 11A rear end is held in adjustment Cover 13A inner bottom surface 135A, i.e. spring 20 is compressed in minimum state, makes the compression storage elastic force of spring 20, due to piston 32 so that the Ka Zhi Cervical portions 3221 of its both sides trip 322 are locked on the narrow end of the transfusion both sides fixing hole 333 of cover 33 and cause whole Body will not be moved (such as Figure 11).

When to infuse or transfuse blood, as long as the transfusion cover 33 is turned at the wide end correspondence trip 322 of fixing hole 333, Both sides trip 322 is departed from the state of locking through the wide end of fixing hole 333, allow spring 20 start to uphold release elastic force to Preceding push push cylinder 12 and piston 32, to compress, the liquid 314 in transfusion cylinder 31 is infused, blood transfusion acts (such as Figure 12 And shown in Figure 13), second embodiment of the invention is therefore defeated due to being to make malleation pressurization by spring 20 to push transfusion, blood transfusion It need not add conduit when liquid, blood transfusion, 100~300 drops can be dripped within one minute, and quick infusion, blood transfusion can be made, its dropping liquid speed The adjustment of degree is identical with existing method, is controlled by pulley controlling switch 43, and should be determined by doctor.

And to make second of transfusion, blood transfusion or in transfusion, blood transfusion way when transfusion, blood transfusion are finished, to fill or replenisher During body 314, first woven hose 42 can be closed with pulley controlling switch 43, the lid 351 of exhaust outlet 35 is secondly opened into exhaust, And the blind nut 371 of exhaust outlet 37 is opened into exhaust, then the corresponding trip of wide end that the transfusion cover 33 is turned into fixing hole 333 At 322, both sides trip 322 is set to may pass through the wide end of fixing hole 333, and the liquid for supplementing bag can exempt from pin by check valve and add Medicine device 40 is added, and flows into transfusion cylinder 31, and makes the compression storage elastic force of spring 20, and after hydraulically full 314, is turned Dynamic transfusion cover 33 makes piston 32 be locked on the transfusion both sides fixing hole of cover 33 with the Ka Zhi Cervical portions 3221 of its both sides trip 322 Engaged at 333 narrow end so that overall will not move.

Figure 14 is referred to, second embodiment of the invention adjustment cover 13A can be screwed on sleeve 11A rearward end position, make The reduction length of spring 20 is lengthened, therefore, can adjust the elastic force of spring 20, and then adjust push transfusion, the speed of blood transfusion.

Check valve can be exempted from 43 pairs of pin chemicals dosing plant 40 and pulley controlling switch by second embodiment of the invention such as first embodiment Change place, and exempt from the rear end of pin chemicals dosing plant 40 plus a microcapillary 50 in check valve, and transfusion needle 45 is changed to remaining needle 46, In order to tube sealing, exempt from pin chemicals dosing plant 34 and be then changed to the jack 38 of dropping bottle to connect dropping bottle 39.Figure 15 is referred to, this When invention second embodiment is applied to anesthesia, it is necessary to plus a microcapillary 50, controllable liquid droping speed is each minute only to drip one Drip anesthetic liquid medicine.

Second embodiment of the invention described above is the purpose reused, and is that when abandoning, will can be somebody's turn to do such as first use Exhaust outlet 35, tongs 36 and exhaust outlet 37, blind nut 371 omit and obtain identical effect.

Figure 16 is referred to Figure 20, be malleation of the present invention pressurization no-needle transfusion transfusion safety device 3rd embodiment stereogram with Exploded perspective schematic diagram and use state diagrammatic cross-section.

Malleation pressurization no-needle transfusion transfusion safety device includes a pusher 10B, a spring 20B and a malleation wound packages Put 30B；Pusher 10B includes an outer sleeve 11B, an inner sleeve 12B, a push rod 14 and leader 15B； Outer sleeve 11B hollow chamber 111B is to be arranged inner sleeve 12B, and outer sleeve 11B front ends are provided with an internal projecting ring 112B, rear end sets an outer bulge loop 113B；Inner sleeve 12B hollow chamber 121B is used to sheathed spring 20B, the inner sleeve Cylinder 12B front end is closely set in the pressing plate 141 of push rod 14, and inner sleeve 12B rear end sets an outer bulge loop 122B；This is pushed away The front end of bar 14 is provided with a pressing plate 141 with top supporting spring 20B and fixed piston 32B, and the push rod 14 is provided with fin in body of rod both sides 142, and in the stage casing of fin 142 provided with locking recess 143, the end of the push rod 14 is provided with a screw 144, with for spiral shell Bar 151B locks handle 15B, with rotating push-rod 14.

Spring 20B one end is held on the pressing plate 141 of push rod 14, and the other end is held at transfusion cover 33B inner side bottom Face.

The malleation wound packages puts 30B and includes transfusion cylinder 31B, the transfusion cover 33B of a piston 32B and one, transfusion cylinder 31B Front end is provided with a pipe joint 311B to be socketed woven hose 41, and pipe joint 311B has a through hole 312B, to connect this Infuse cylinder 31B, and transfusion cylinder 31B rear ends screw togather a transfusion cover 33B；Piston 32B and push rod 14 pressing plate 141 are fixed Together, the transfusion cover 33B central portions set a center through hole 331B, so that push rod 14 is worn, center through hole 331B Both sides are provided with projecting apertures 332B, so that the fin 142 of push rod 14 can pass through, and rotate after an angle by push rod 14, with The locking recess 143 of push rod 14 is locked on transfusion cover 33B lateral surfaces and positioned (as shown in Figure 16 and Figure 19).

The malleation wound packages puts 30B for other drugs to be added, such as nutrient, anodyne, can be in transfusion cylinder 31B Rear end side set a check valve and exempt from pin chemicals dosing plant 34；The malleation wound packages puts 30B in filling or liquid make-up, can be The opposite side of transfusion cylinder 31B rear ends sets an exhaust outlet 35 and tongs 36, and sets an exhaust outlet in 31 front ends of transfusion cylinder 37 and blind nut 371, there is a film in the exhaust outlet 35 and exhaust outlet 37, can be vented but not allow liquid outflow (in figure not Show), the exhaust outlet 35 simultaneously sets a lid 351 with the collar 352, and the tongs 36 then can ensure that in transfusion or blood transfusion Liquid will not be allowed to flow out；The exhaust outlet 37 then covers to ensure liquid will not be allowed to flow out in transfusion or blood transfusion with blind nut 371.

After transfusion cylinder 31B front end pipe joint 311B socket woven hoses 41, check valve can be connected with and exempt from pin chemicals dosing plant 40, then Woven hose 42 is connected with, then connects pulley controlling switch 43 and thread rope mouthful 44 to connect transfusion needle 45.

3rd embodiment fills with liquid 314B before use, as shown in Figure 16 and Figure 19 in transfusion cylinder 31B, this When, the pressing plate 141 and piston 32B of push rod 14 is located at the position of transfusion cylinder 31B rearmost ends, and spring 20B is compressed in minimum State simultaneously stores elastic force, because the locking recess 143 of push rod 14 is locked on transfusion cover 33B outside, and causes entirety not It can move.

When to infuse, transfuse blood, will handle 15B rotate make push rod 14 rotate an angle, make the fin 142 of push rod 14 Alignment transfusion cover 33B center through hole 331B projecting apertures 332B so that fin 142 can by projecting apertures 332B, and Push rod 14 is set to depart from the state of locking, spring 20B starts to uphold, and release elastic force pushes pressing plate 141 and piston 32B, and presses Liquid 314B in contracting transfusion cylinder 31B is infused, blood transfusion is acted (as shown in Figure 18 and Figure 20), wherein, spring 20B It is related when pushing pressing plate 141 to move inner sleeve 12B forward ends, and hooked with its outer bulge loop 122B in dynamic outer sleeve 11B Bulge loop 112B, making outer sleeve 11B, also forward end is moved, and can uphold spring 20B and arrive maximum rating.

Third embodiment of the invention is due to being to make malleation pressurization by spring 20B to push transfusion, blood transfusion, therefore transfusion, blood transfusion When need not add conduit, can drip within one minute 100~300 drop, and can make quick infusion, blood transfusion, the adjustment of its liquid droping speed It is identical with existing method, controlled by pulley controlling switch 43, and should be determined by doctor.

Third embodiment of the invention is before transfusion, blood transfusion or in transfusion, blood transfusion way, for other drugs to be added, such as Nutrient, anodyne etc., can exempt from pin chemicals dosing plant 34 in the check valve of transfusion cylinder 31B rear ends and add.

And to make second of transfusion, blood transfusion or in transfusion, blood transfusion way when transfusion, blood transfusion are finished, to fill or replenisher During body 314B, first woven hose 42 can be closed with pulley controlling switch 43, open the lid 351 of tongs 36 and exhaust outlet 35 Exhaust, and opens exhaust by the blind nut 371 of exhaust outlet 37, then the push rod 14 is pulled into rear end, make spring 20B gradually by Compression, to push rod 14 locking recess 143 by projecting apertures 332B after, then push rod 14 rotated into an angle, makes locking recess 143 are locked on the outside of transfusion cover 33B, and push rod 14B is terminated in positioning, spring 20 is compressed in minimum state storage bullet Power, and entirety will not be moved (as shown in Figure 15 and Figure 18), and the liquid for supplementing bag can be exempted from pin dosing by check valve Device 40 is added, and flows into transfusion cylinder 31B, and makes the hydraulically full 314B of transfusion cylinder 31B.

Check valve also can be exempted from pin chemicals dosing plant 40 and pulley controlling switch 43 by third embodiment of the invention such as first embodiment Exempt from the rear end of pin chemicals dosing plant 40 plus a microcapillary 50 to change place, and in check valve, and transfusion needle 45 be changed to remaining needle 46, In order to tube sealing.

Check valve also can be exempted from pin chemicals dosing plant 40 and pulley controlling switch 43 by third embodiment of the invention such as first embodiment Exempt from the rear end of pin chemicals dosing plant 40 plus a microcapillary 50 to change place, and in check valve, and transfusion needle 45 be changed to remaining needle 46, In order to tube sealing, exempt from pin chemicals dosing plant 34 and be then changed to the jack 38 of dropping bottle to connect dropping bottle 39.

Refer to Figure 21, when third embodiment of the invention is applied to anesthesia, it is necessary to plus a microcapillary 50, control liquid droping speed Anesthesia liquid is only dripped for each minute.

Third embodiment of the invention described above is the purpose reused, if making Unit times using when abandoning, then may be used Identical effect is obtained so that the exhaust outlet 35, tongs 36 and exhaust outlet 37, blind nut 371 to be omitted.

Figure 22 is referred to, is that push rod 14B is another in malleation of the present invention pressurization no-needle transfusion transfusion safety device 3rd embodiment Embodiment schematic perspective view.

Push rod 14B front ends are provided with a pressing plate 141 with top supporting spring 20B and fixed piston 32B, and push rod 14B is in the body of rod Section both sides are provided with projection 145B, and the end of the push rod 14 is provided with a screw 144, is locked handle 15B with for screw rod 151B Gu, projecting apertures 332Bs of the projection 145B by the cover 33B that infuses is provided with its both sides with rotating push-rod 14B, i.e. push rod 14B Afterwards, then by push rod 14B an angle is rotated, projection 145B is locked on the outside of transfusion cover 33B, and engage push rod 14B In positioning, make the compression storage elastic force of spring 20, and entirety will not be moved, and in transfusion, blood transfusion, by the handle 15B, which is rotated, makes push rod 14B rotate an angle, push rod 14B projection 145B is directed at transfusion cover 33B center through hole 331B projecting apertures 332B, so that projection 145B can be by projecting apertures 332B, and makes push rod 14B depart from the state engaged, Spring 20B starts to uphold, and release elastic force pushes pressing plate 141 and piston 32B, and compresses the liquid 314B in transfusion cylinder 31B Infused, blood transfusion acts and obtains identical effect.

The pore size of microcapillary 50 of the various embodiments described above of the present invention can be 1,5,10 microns.

Malleation of the present invention is pressurizeed no-needle transfusion transfusion safety device, it is infused, the speed of blood transfusion can according to being actually needed adjustment, Its first aid purposes that can be applied not only to quick blood transfusion enables the quick liquid make-up of excessive blood loss person and anesthetic liquid medicine at a slow speed Drop purposes, and the liquid in needle tubing can be made not solidify and often keep normality.

The malleation pressurization no-needle transfusion transfusion safety device of the present invention, its malleation wound packages puts interior liquid filling can be via independence Check valve exempt from pin chemicals dosing plant be directly added into and make malleation wound packages put in spring temporarily pin its and push elastic force, decoction of waiting fills Give release malleation wound packages to put interior elastic acting force after full positive pressure cylinder again, therefore almost have no resistance when adding liquid, therefore can be fast Speed is filled with decoction liquid, blood.

Malleation pressurization no-needle transfusion transfusion safety device of the present invention, because the time of delivery of its liquid is more than 36 hours Need not needle exchange, significantly mitigate the medical nursing work burden of hospital, and the pain of patient can be mitigated.

Malleation pressurization no-needle transfusion transfusion safety device of the present invention, because the conveying of its liquid is the elastic acting force by spring Push, therefore, the height of cylinder of infusing, position, environment and unrestricted, and be easily handled.

It is above-described, only presently preferred embodiments of the present invention, the scope of the claims that is non-therefore limiting to the present invention, therefore Such as with the simple modification carried out by description of the invention and schema content and equivalent structure change, this all should be similarly contained in In the scope of the claims of invention.

Claims

The no-needle transfusion transfusion safety device 1. a kind of malleation is pressurizeed, it is characterised in that the device includes：

One pusher (10), includes a sleeve (11), a push cylinder (12) and an adjustment cover (13)；The sleeve (11) set a hollow chamber (111) and be arranged push cylinder (12), sleeve (11) rear end is provided with screw thread (113), push cylinder (12) set a hollow chamber (121) to be arranged and top supporting spring (20), the adjustment cover (13) is screwed together in sleeve (11)；

One spring (20), spring (20) one end, which is held, to be pushed in cylinder (12), and the other end is held in adjustment cover (13) Inner bottom surface (132)；

One malleation wound packages puts (30), includes transfusion cylinder (31), a piston (32) and a transfusion cover (33)；This is defeated Fluid cylinder (31) front end is provided with a pipe joint (311) to be socketed woven hose (41), and the pipe joint (311), which has, connects the transfusion The internal through hole (312) of cylinder (31), transfusion cylinder (31) rear end screws togather transfusion cover (33), and the piston (32) is plugged in this The front end of cylinder (12) is pushed, piston (32) the rear end both sides are provided with trip (322), and the transfusion cover (33) sets a center set Hole (331) and a bulge loop (332), to wear push cylinder (12), spring (20) and be arranged sleeve (11), the transfusion cover (33) Bulge loop (332) both sides be respectively equipped with the narrow fixing hole (333) in the wide one end in one end, for the trip of piston (32) both sides (322) wear, and rotate the narrow end that the transfusion cover (33) makes trip (322) be located in fixing hole (333), to engage work Plug (32) will not be moved；

And push compression spring (20) by push cylinder (12) to store elastic force, then make card by the transfusion cover (33) is rotated The wide end of tenon (322) through fixing hole (333) departs from the locking to piston (32), and spring (20) is upheld release elastic force, Push piston (32) and malleation pressure transfusion, blood transfusion are made with compressed liquid (314).
The no-needle transfusion transfusion safety device 2. malleation according to claim 1 is pressurizeed, it is characterised in that：The sleeve (11) Rear end is provided with screw thread (113), and the adjustment cover (13) is screwed together in the screw thread (113) of sleeve (11) provided with internal thread (131), And position is screwed togather by the sleeve (11) is adjusted with adjustment cover (13), adjusted with adjusting the reduction length of spring (20) The pressure of spring (20).
The no-needle transfusion transfusion safety device 3. a kind of malleation is pressurizeed, it is characterised in that the device includes：

One pusher (10A), includes a sleeve (11A), a push cylinder (12) and an adjustment cover (13A)；Should Sleeve (11A) sets a hollow chamber (111A) and is arranged push cylinder (12), and sleeve (11A) the rear end stage casing is provided with screw thread (113A), push cylinder (12) sets a hollow chamber (121) sheathed spring (20), and the adjustment cover (13A) is screwed together in set Cylinder (11A), the adjustment cover (13A) simultaneously sets hollow convex cylinder (133A) in the middle of bottom, hollow convex cylinder (133A) Front end sets a bulge loop (134A) with sheathed spring (20)；

One spring (20), one end holds the front end face in the hollow convex cylinder (133A) of adjustment cover (13A)；

One malleation wound packages puts (30), includes transfusion cylinder (31), a piston (32) and a transfusion cover (33), this is defeated Fluid cylinder (31) front end is provided with a pipe joint (311) to be socketed woven hose (41), and the pipe joint (311), which has, connects the transfusion The internal through hole (312) of cylinder (31), transfusion cylinder (31) rear end screws togather transfusion cover (33), and the piston (32) is plugged in this The front end of cylinder (12) is pushed, piston (32) the rear end both sides are provided with trip (322), and spring (20) other end is held in work Fill on (32), the transfusion cover (33) sets center set hole (331) and a bulge loop (332), with wear push cylinder (12), Spring (20) and sleeve (11A) is arranged, it is narrow that bulge loop (332) both sides of the transfusion cover (33) are respectively equipped with the wide one end in one end Fixing hole (333), so that the trip (322) of piston (32) both sides is worn, and rotate the transfusion cover (33) and make trip (322) narrow end of fixing hole (333) is located in, will not be moved with engaging piston (32)；

And by push cylinder (12) to push compression spring (20) to store elastic force, being rotated further by the transfusion cover (33) makes card Tenon (322) correspondence to depart from locking of the transfusion cover (33) to piston (32), and makes through the wide end of fixing hole (333) Spring (20) upholds release elastic force, pushes piston (32) and makees malleation pressure transfusion, blood transfusion with compressed liquid (313).
The no-needle transfusion transfusion safety device 4. malleation according to claim 3 is pressurizeed, it is characterised in that：The sleeve (11) Rear end stage casing is provided with screw thread (113A), and adjustment cover (13A) inner circumferential is screwed together in sleeve (11A) provided with screw thread (131A), And position is screwed togather by the sleeve (11A) is adjusted with adjustment cover (13A), to adjust the reduction length of spring (20) Adjust the pressure of spring (20).
5. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3, it is characterised in that：Push cylinder (12) front end reduces bulge loop (122) provided with one, and the bulge loop (122) of the rear side correspondence push cylinder (12) of the piston (32) is set One annular groove (321) plugs push cylinder (12) with close.
6. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3, it is characterised in that：The piston (32) Both sides trip (322) be provided with Ka Zhi Cervical portions (3221), make trip (322) through fixing hole (333) wide end after, rotate Engaged at transfusion cover (33) to the narrow end of fixing hole (333).
7. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3, it is characterised in that：Transfusion cylinder (31) set a check valve and exempt from pin chemicals dosing plant (34).
8. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3, it is characterised in that：Transfusion cylinder (31) exhaust outlet (35) and another exhaust outlet (37) are set.
9. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3, it is characterised in that：Transfusion cylinder (31) exhaust outlet (35) and a tongs (36) and another exhaust outlet (37) and blind nut (371) are set.
The no-needle transfusion transfusion safety device 10. a kind of malleation is pressurizeed, it is characterised in that the device includes：

One pusher (10B), includes an outer sleeve (11B), an inner sleeve (12B), a push rod (14) and one Hand (15B)；The hollow chamber (111B) of the outer sleeve (11B) is to be arranged inner sleeve (12B)；The inner sleeve (12B) Hollow chamber (121B) be used to sheathed spring (20B), inner sleeve (12B) front end is closely set in the pressure of push rod (14) Plate (141), push rod (14) front end is provided with a pressing plate (141) with top supporting spring (20B), and the end of the push rod (14) locks Handle (15B), with rotating push-rod (14)；

One spring (20B), spring (20B) one end is held on the pressing plate (141) of push rod (14), and the other end is held The inside bottom surface of transfusion cover (33B)；

One malleation wound packages puts (30B) and includes transfusion cylinder (31B), a piston (32B) and a transfusion cover (33B), Transfusion cylinder (31B) front end is provided with a pipe joint (311B) to be socketed woven hose (41), and the pipe joint (311B) has one Through hole (312B), to connect transfusion cylinder (31B), transfusion cylinder (31B) rear end screws togather a transfusion cover (33B), The pressing plate (141) of the piston (32B) and push rod (14) is solid-located, and transfusion cover (33B) central portion sets a center Through hole (331B), so that push rod (14) is worn, center through hole (331B) both sides are provided with projecting apertures (332B), so that push rod (14) it can pass through, and be positioned by transfusion cover (33B) lateral surface is locked on after push rod (14) one angle of rotation, Piston (32B) is set not move；

And by the push rod (14) pull to rear end with pressing plate (142) compression spring (20B) in minimum state to store elastic force, then Push rod (14) is rotated into an angle, makes to be locked on transfusion cover (33B), and push rod (14) is locked to positioning, and is made Obtaining entirety will not move, and the handle (15B), which is rotated, makes push rod (14) rotate an angle, departs from push rod (14) and blocks State only, spring (20B) starts to uphold, and release elastic force pushes pressing plate (141) and piston (32B) and compresses transfusion cylinder (31B) interior liquid (314B) makees malleation pressure transfusion, blood transfusion.
The no-needle transfusion transfusion safety device 11. malleation according to claim 10 is pressurizeed, it is characterised in that：The outer sleeve (11B) front end is provided with an internal projecting ring (112B), and outer sleeve (11B) rear end sets an outer bulge loop (113B), the inner sleeve (12B) Rear end set an outer bulge loop (122B), move inner sleeve (12B) forward end, and hook with its outer bulge loop (122B) dynamic outer The internal projecting ring (112B) of sleeve (11B), making outer sleeve (11B), also forward end is moved, and can uphold spring (20B) and arrive Maximum rating.
The no-needle transfusion transfusion safety device 12. malleation according to claim 10 is pressurizeed, it is characterised in that：The push rod (14) Front end is provided with a pressing plate (141) with top supporting spring (20B) and fixed piston (32B), and the push rod (14) is set in body of rod both sides There is fin (142), and in fin (142) stage casing provided with locking recess (143).
The no-needle transfusion transfusion safety device 13. malleation according to claim 10 is pressurizeed, it is characterised in that：The push rod (14B) Front end is provided with a pressing plate (141) with top supporting spring (20B) and fixed piston (32B), and the push rod (14B) is in body of rod both sides Section is provided with projection (145B).
The no-needle transfusion transfusion safety device 14. malleation according to claim 10 is pressurizeed, it is characterised in that：Transfusion cylinder (31B) sets a check valve and exempts from pin chemicals dosing plant (34).
The no-needle transfusion transfusion safety device 15. malleation according to claim 10 is pressurizeed, it is characterised in that：Transfusion cylinder (31B) sets an exhaust outlet (35) and another exhaust outlet (37).
The no-needle transfusion transfusion safety device 16. malleation according to claim 10 is pressurizeed, it is characterised in that：Transfusion cylinder (31B) sets an exhaust outlet (35) and a tongs (36) and another exhaust outlet (37) and blind nut (371).
17. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3 or 10, it is characterised in that：This is defeated Liquid pipe (41) sets a check valve and exempts from pin chemicals dosing plant (40).
18. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3 or 10, it is characterised in that：The list Exempt from pin chemicals dosing plant (40) to valve and be connected with a microcapillary (50), the transfusion needle (45) is changed to remaining needle (46) with applied to envelope Pipe.
The no-needle transfusion transfusion safety device 19. malleation according to claim 18 is pressurizeed, it is characterised in that：The microcapillary (50) Pore size is more than 1 micron.
20. the malleation pressurization no-needle transfusion transfusion safety device according to claim 1 or 3 or 10, it is characterised in that：The list Exempt from pin chemicals dosing plant (40) to valve and be connected with woven hose (42) to be connected with a microcapillary (50) again with applied to anesthesia.
The no-needle transfusion transfusion safety device 21. malleation according to claim 20 is pressurizeed, it is characterised in that：The microcapillary (50) Pore size is more than 1 micron.