CN104689425A - Pushing handle clamping device of injector for injection pump - Google Patents
Pushing handle clamping device of injector for injection pump Download PDFInfo
- Publication number
- CN104689425A CN104689425A CN201310671832.1A CN201310671832A CN104689425A CN 104689425 A CN104689425 A CN 104689425A CN 201310671832 A CN201310671832 A CN 201310671832A CN 104689425 A CN104689425 A CN 104689425A
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- Prior art keywords
- connecting rod
- housing
- syringe
- lever
- away
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14546—Front-loading type injectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/1458—Means for capture of the plunger flange
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a pushing handle clamping device of an injector for an injection pump. The pushing handle clamping device comprises a housing, a lever, a connecting rod, a limiting element, an elastic element, a clamping jaw and a button, wherein the middle part of the lever is rotationally connected with the housing; the connecting rod is arranged on the housing in a sliding and penetrating manner; one end of the connecting rod is movably connected with one end of the lever; the limiting element is fixed on the connecting rod; the elastic element sleeves the connecting rod; the two ends of the elastic element are respectively propped against the inner wall of the housing and the limiting element; the clamping jaw is arranged on the housing and fixedly connected with the end, far away from the lever, of the connecting rod; the clamping jaw cooperates with the outer surface of the housing to clamp the pushing handle of the injector; the button is arranged on the housing in a sliding and penetrating manner and is in contact with the end, away from the connecting rod, of the lever; the button can slide towards the interior of the housing to push the lever to rotate, so as to enable the connecting rod to slide in the direction that the connecting rod extends out of the housing. The pushing handle clamping device of the injector for the injection pump is convenient to operate and safer.
Description
Technical field
The present invention relates to a kind of tight device of pushing handle card of the syringe for syringe pump.
Background technology
At present, domestic each hospital, in clinical vein injection, because the accuracy of ejection of syringe pump and be convenient to control, just progressively promotes the use of syringe pump and realizes automatic injection.When using syringe pump, the structure that mounting of syringe rear end pushes away handle place mainly contains two types at present on the market, a kind of is fixing structure, blocked by elastic barb and push away handle, when mounting of syringe, need first to pull open handle, then press on the other hand syringe pump to inject clutch on head and drag push rod and move to syringe rear end and push away handle place, syringe pushing handle card enters to inject in the fixed structure on head by another hands, put into draw-in groove after adjusting to close handle, but such medical worker of needs uses bimanualness simultaneously, and operate cumbersome, inconvenience very, another kind lives syringe rear end by the mutual elongated jaw frame to turning to push away position near handle, prevent syringe from pushing away handle and depart from push rod, this type can use one-handed performance, but such mode of blocking is actually frame and lives the push rod that syringe pushes away handle front end, syringe can not be directly acted on and push away handle, very dangerous.
Summary of the invention
Given this, the tight device of pushing handle card that a kind of easy to operate and safer syringe for syringe pump is provided is necessary.
The tight device of pushing handle card for the syringe of syringe pump, comprising:
Housing;
Lever, is contained in described housing, and the middle part of described lever is connected with described housing into rotation;
Connecting rod, is arranged in described housing slidably, and one end is flexibly connected with one end of described lever;
Locating part, is contained in described housing, and is fixed on described connecting rod;
Elastic component, is contained in described housing, and is sheathed on described connecting rod, and the two ends of described elastic component offset with the inwall of described housing and described locating part respectively;
Jaw, is arranged on described housing, and is fixedly connected with described connecting rod one end away from described lever, described jaw match with the outer surface of described housing can clamp syringe push away handle; And
Button, be arranged on described housing slidably, described button contacts with described lever one end away from described connecting rod, and described button slidably to promote described lever rotation, and makes described connecting rod slide towards the direction of stretching out described housing towards the direction of described enclosure interior.
Wherein in an embodiment, also comprise the base be fixedly contained in described housing, described base offers through hole, described connecting rod is arranged in described through hole slidably, described elastic component and described locating part are contained in described through hole, and described elastic component offsets away from one end of described locating part and the sidewall of described through hole.
Wherein in an embodiment, also comprise and be contained in support set in described housing and pivot pin, the end face of one end of described support set is fixedly connected with described base, the relative both sides correspondence of the other end of described support set offers guide chute, and described connecting rod is arranged in described support set rotationally, described pivot pin is arranged on described connecting rod regularly, and described pivot pin is arranged along the radial direction of described connecting rod, the two ends that described pivot pin stretches out described connecting rod are contained in the guide chute of relative both sides of described support set respectively, and along described guide chute slidably.
Wherein in an embodiment, the helical groove portion that described guide chute has straight trough portion and is communicated with described straight trough portion, and described straight trough portion is arranged near described lever, slide along described helical groove portion respectively in the two ends that described pivot pin stretches out described connecting rod, to make described link rotatable and to slide towards the direction of stretching out described housing.
Wherein in an embodiment, also comprise and being contained in described housing and the gland be fixedly connected with away from one end of described button with described lever, described connecting rod is flexibly connected with described gland away from one end of described jaw.
Wherein in an embodiment, described gland offers accepting groove, described connecting rod is contained in described accepting groove rotationally away from one end of described jaw.
Wherein in an embodiment, also comprise the bearing be contained in described accepting groove, described bearing holder (housing, cover) is located at described connecting rod one end away from described jaw, and with described connecting rod interference fit.
Wherein in an embodiment, one end of described connecting rod forms necking part, and described bearing holder (housing, cover) is located on described necking part, and with described necking part interference fit.
Wherein in an embodiment, also comprise axle sleeve, described axle sleeve is arranged in described through hole, and is fixedly connected with the sidewall of described through hole, and described connecting rod is arranged in described axle sleeve slidably, and described connecting rod is rotatable in described axle sleeve.
Wherein in an embodiment, the holding piece that cylindricality fixed part logical during described jaw comprises and side are fixedly connected with described cylindricality fixed part, described connecting rod is arranged in described cylindricality fixed part regularly away from one end of described lever, described holding piece match with the outer surface of housing can clamp described syringe push away handle.
The tight device of pushing handle card of the above-mentioned syringe for syringe pump comprises housing, lever, connecting rod, locating part, elastic component, jaw and button, because button contacts with one end of lever, press the button, slided to promote lever rotation in its direction towards enclosure interior, and make to push connecting rod towards the direction slip of stretching out housing, and the jaw be fixedly connected with connecting rod is slided towards the direction away from housing, can the handle that push away of syringe be positioned on housing, release button, connecting rod is under the effect of elastic component, connecting rod slides towards the direction of the inside of housing, and drive jaw to slide towards near the direction of housing, thus make the pushing handle card of syringe tightly between jaw and the outer surface of housing, due to jaw be directly be pressed on syringe push away on handle, what more firmly can clamp syringe pushes away on handle, avoid the risk that syringe comes off, safer, and everything only need by one hand pressing button can be just the installation and removal realizing syringe, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tight device of pushing handle card of the syringe for syringe pump of an embodiment;
The tight device of pushing handle card that Fig. 2 is the syringe for syringe pump shown in Fig. 1 eliminates the structural representation of another angle of housing;
The structural representation eliminating another angle of housing of the tight device of pushing handle card that Fig. 3 is the syringe for syringe pump shown in Fig. 1;
Fig. 4 is the profile of Fig. 3 along B-B line.
Detailed description of the invention
Mainly in conjunction with the drawings and the specific embodiments the tight device of the pushing handle card of the syringe for syringe pump is described in further detail below.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the tight device 100 of pushing handle card of the syringe for syringe pump of an embodiment comprises housing 110, lever 120, connecting rod 130, locating part 140, elastic component 150, jaw 160 and button 170.
Housing 110 is roughly square casing.Concrete, the end of one end of housing 110 is formed with groove 112.
Lever 120 is contained in housing 110, and middle part and the housing 110 of lever 120 are rotationally connected.It is shaft-like that lever 120 is roughly strip.
Connecting rod 130 is that strip is shaft-like.Connecting rod 130 is arranged in housing 110 slidably, and one end is flexibly connected with one end of lever 120.Concrete, one end of connecting rod 130 forms necking part 132.Connecting rod 130 stretches out housing 110 away from one end of necking part 132.
Locating part 140 is contained in housing 110, and is fixed on connecting rod 130.Concrete, locating part 140 is snap ring, and snap ring fixed cover is located on connecting rod 130.Be appreciated that locating part 140 can also be the projection on connecting rod 130.
Elastic component 150 is contained in housing 110, and is sheathed on connecting rod 130, and the two ends of elastic component 150 offset with the inwall of housing 110 and locating part 140 respectively, thus provide an elastic-restoring force to connecting rod 130.In the particular embodiment, elastic component 150 is spring.Be appreciated that elastic component 150 can also be resilient sleeve.
Jaw 160 is arranged on housing 110, and is fixedly connected with connecting rod 130 one end away from lever 120, jaw 160 match with the outer surface of housing 110 can clamp syringe (not shown) push away handle (not shown).Concrete, the holding piece 164 that cylindricality fixed part 162 logical during jaw 160 comprises and one end are fixedly connected with cylindricality fixed part 162.Wherein, connecting rod 130 is arranged in cylindricality fixed part 162 regularly away from one end of lever 120, holding piece 164 match with the outer surface of housing 110 can clamp syringe push away handle.Concrete, the width of holding piece 164 passes through and increases gradually.And connecting rod 130 is fixedly connected with away from one end that one end of lever 120 is less with the width of holding piece 164, what the one end making width larger press against syringe pushes away handle, thus add the contact area pushed away between handle of jaw 160 and syringe, make pushing away handle and can being clamped on more securely on housing 110 of syringe, reduce further syringe and push away the risk that the skew of handle in injection process come off, more safe.When syringe pump being also provided with level detecting apparatus (not shown), the test button 400 of jaw 160 close to level detecting apparatus is arranged, and the end face pushing away handle of syringe is in place in the test button 400 of checkout gear, now, whether what jaw 160 compressed syringe pushes away handle, can also be convenient to detect syringe and put in place.
Further, jaw 160 is two, and connecting rod 130, locating part 140 and elastic component 150 all correspond to two, and two connecting rods 130 be arranged in parallel, and two connecting rods 130 are all flexibly connected with lever 120 one end away from button 170 away from one end of jaw 160.What two jaws 160 can clamp syringe more securely pushes away handle.
Button 170 is arranged on housing 110 slidably, and button 170 contacts with lever 120 one end away from connecting rod 130, and button 170 slidably rotates to promote lever 120 towards the direction of housing 110 inside, and connecting rod 130 is slided towards the direction of stretching out housing 110.Concrete, button 170 is slidably disposed in groove 112.
Please again consult Fig. 2, Fig. 3 and Fig. 4, further, the tight device 100 of the pushing handle card for the syringe of syringe pump also comprises the base 180 be fixedly contained in housing 110.Wherein, base 180 offers through hole 182, connecting rod 130 is arranged in through hole 182 slidably, and elastic component 150 and locating part 140 are contained in through hole 182, and elastic component 150 offsets away from one end of locating part 140 and the sidewall of through hole 182.Concrete, two surfaces that the through base of through hole 182 180 is relative.More specifically, the shrinkage cavity portion 186 that through hole 182 has resettlement section 184 and is communicated with resettlement section 184, and the aperture of resettlement section 184 is greater than the aperture in shrinkage cavity portion 186, thus to connecting rod 130, there is position-limiting action.Wherein, locating part 140 and elastic component 150 are contained in resettlement section 184.
Further, the tight device 100 of pushing handle card for the syringe of syringe pump also comprises and is contained in support set 190 in housing 110 and pivot pin 210, the end face of one end of support set 190 is fixedly connected with base 180, the relative both sides correspondence of the other end of support set 190 offers guide chute 192, and connecting rod 130 is arranged in support set 190 rotationally, pivot pin 210 is arranged on connecting rod 130 regularly, and pivot pin 210 is arranged along the radial direction of connecting rod 130, the two ends that pivot pin 210 stretches out connecting rod 130 are contained in the guide chute 192 of the relative both sides of support set 190 respectively, and along guide chute 192 slidably.Concrete, the flange (scheming not mark) that the edge leading to the one end in logical cylinder portion in cylinder portion (figure does not mark) and edge during support set 190 comprises is arranged.Wherein, flange is fixedly connected with base 180.More specifically, the helical groove portion 196 that guide chute 192 has straight trough portion 194 and is communicated with straight trough portion 194, and straight trough portion 194 is arranged near lever 120, sliding along helical groove portion 196 respectively in the two ends that pivot pin 210 stretches out connecting rod 130, rotates and slide towards the direction of stretching out housing 110 to make connecting rod 130.When pressing the button 170, slide along the guide chute 192 of the relative both sides of support set 190 in the two ends of pivot pin 210, first slide along straight trough portion 194, connecting rod 130 slides towards the direction of stretching out housing 110, jaw 160 is towards the direction rectilinear motion away from housing 110, then slide at helical groove portion 196, connecting rod 130 rotates while continuing to slide towards the direction of stretching out housing 110, and drive jaw 160 to continue to rotate while the direction movement away from housing 110, the holding piece 164 of jaw 160 is made to depart from clamping zone away from one end of cylindricality fixed part 162, be convenient to the placement of syringe like this, when release button 170, under the elastic-restoring force effect of elastic component 150, pivot pin 210 first slides along helical groove portion 196, connecting rod 130 towards retraction housing 110 direction slide while rotate, jaw 160 continues to rotate while the direction movement near housing 110, until holding piece 164 is rotated in place the top in clamping zone away from one end of cylindricality fixed part 162, then pivot pin 210 slides along straight trough portion 194 again, slide in the direction that connecting rod 130 continues towards being retracted into housing 110, jaw 160 continues to do rectilinear motion towards the direction near housing 110, finally by the pushing handle card of syringe tightly on housing 110.By guide chute 210 being arranged to there are straight trough portion 194 and helical groove portion 196 two parts, and straight trough portion 194 is arranged near lever 120, when jaw 160 is moved near the direction of housing 110, first to spin retracting motion, treat near syringe push away handle time, do straight line retracting motion, what finally compress syringe pushes away handle, thus prevents the skew risk of syringe in installation process.Be appreciated that guide chute 192 can be arranged to be only straight trough or to be only spiral fluted form.
Further, the tight device 100 of the pushing handle card for the syringe of syringe pump also comprises and being contained in housing 110 and the gland 220 be fixedly connected with away from one end of button 170 with lever 120, and connecting rod 130 is flexibly connected with gland 220 away from one end of jaw 160.In the particular embodiment, lever 120 is fixedly connected with gland 220 rotationally away from one end of button 170.Concrete, lever 120 realizes being fixedly connected with rotationally by a pivot pin with gland 220 away from one end of button 170.Concrete, gland 220 offers accepting groove 222, connecting rod 130 is contained in accepting groove 222 rotationally away from one end of jaw 160.Concrete, accepting groove 220 is roughly concave shape.Gland 220 is roughly strip tabular.
Further, the tight device 100 of pushing handle card for the syringe of syringe pump also comprises the bearing 230 be contained in the accepting groove 222 of gland 220, bearing 230 is sheathed on connecting rod 130 one end away from jaw 160, and with connecting rod 130 interference fit, on connecting rod 130, sheathed bearing 230 is convenient to connecting rod 130 and is rotated.Concrete, the outer ring of bearing 230 and the inwall of accepting groove 222 are fixed, the inner ring of bearing 230 and connecting rod 130 interference fit.In the particular embodiment, bearing 230 is sheathed on the necking part 132 of connecting rod 130, and with necking part 132 interference fit.The necking part 132 bearing 230 being set in connecting rod 130 can prevent bearing 230 from sliding on connecting rod 130.
Further, the tight device 100 of pushing handle card for the syringe of syringe pump also comprises axle sleeve 240, and axle sleeve 240 is arranged in through hole 182, and is fixedly connected with the sidewall of through hole 182, connecting rod 130 is arranged in axle sleeve 240 slidably, and connecting rod 130 is rotatable in axle sleeve 240.Axle sleeve 240 has lubricant effect, the frictional force that can be subject in motor process compared with small rod 130.Be appreciated that the frictional force that axle sleeve 240 can not be adopted to reduce connecting rod 130 and base 180, now, base 180 uses the material with lubrication.
In the particular embodiment, connecting rod 130 is two, accepting groove 222 is also two, two accepting grooves 222 are disposed on the two ends of gland 220, lever 120 is fixedly connected with the middle part of gland 220 away from one end of button 170, now, corresponding two of bearing 230, axle sleeve 240, and the through hole 182 on base 180 corresponds to two.
Refer to Fig. 2, further, the tight device 100 of pushing handle card for the syringe of syringe pump also comprises the dwang 250 be contained in housing 110, middle part and the housing 110 of dwang 250 are rotationally connected, and the relative both sides of one end of dwang 250 contact with button 170 and lever 120 one end away from gland 220 respectively.Wherein, the length of dwang 250 is greater than the length of lever 120.Concrete, the other end of dwang 250 contacts with the push-rod assembly control handle (scheming not mark) of syringe pump (scheming not mark), by pressing button 170, while making dwang 250 promote lever 120 rotation, the other end of dwang 250 promotes push-rod assembly control handle, nut (not shown) in push-rod assembly (figure does not mark) and screw mandrel (not shown) are departed from, the tight device 100 of the pushing handle card of the whole syringe for syringe pump can be moved along push rod.More specifically, dwang 250 is provided with roller (figure does not mark) away from one end of button 170, and roller contacts with push-rod assembly control handle.Concrete, dwang 250 is provided with protruding 252, and protruding 252 contact with lever 120 one end away from gland 220.
Further, the tight device 100 of pushing handle card for the syringe of syringe pump also comprises the roller 260 be contained in housing 110, roller 260 is fixed on lever 120 one end away from gland 220, dwang 250 contacts with roller 260 away from the side of button, by dwang 250 thrust roller 260, lever 120 is rotated.
The tight device 100 of pushing handle card of the above-mentioned syringe for syringe pump comprises housing 110, lever 120, connecting rod 130, locating part 140, elastic component 150, jaw 160 and button 170, because button 170 one end with lever 120 contacts, press the button 170, slided in its direction towards housing 110 inside to rotate to promote lever 120, and make to push connecting rod 130 towards the direction slip of stretching out housing 110, and the jaw 160 be fixedly connected with connecting rod 130 is slided towards the direction away from housing 110, can the handle that push away of syringe be positioned on housing 110, release button 170, connecting rod 130 is under the effect of elastic component 150, connecting rod 130 slides towards the direction of the inside of housing 110, and drive jaw 160 to slide towards near the direction of housing 110, thus make the pushing handle card of syringe tightly between jaw 160 and the outer surface of housing 110, due to jaw 160 be directly be pressed on syringe push away on handle, what more firmly can clamp syringe pushes away on handle, avoid the risk that syringe comes off, safer, and everything only need by one hand pressing button 170 can be just the installation and removal realizing syringe, easy to operate.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1., for the tight device of pushing handle card of the syringe of syringe pump, it is characterized in that, comprising:
Housing;
Lever, is contained in described housing, and the middle part of described lever is connected with described housing into rotation;
Connecting rod, is arranged in described housing slidably, and one end is flexibly connected with one end of described lever;
Locating part, is contained in described housing, and is fixed on described connecting rod;
Elastic component, is contained in described housing, and is sheathed on described connecting rod, and the two ends of described elastic component offset with the inwall of described housing and described locating part respectively;
Jaw, is arranged on described housing, and is fixedly connected with described connecting rod one end away from described lever, described jaw match with the outer surface of described housing can clamp syringe push away handle; And
Button, be arranged on described housing slidably, described button contacts with described lever one end away from described connecting rod, and described button slidably to promote described lever rotation, and makes described connecting rod slide towards the direction of stretching out described housing towards the direction of described enclosure interior.
2. the tight device of pushing handle card of the syringe for syringe pump according to claim 1, it is characterized in that, also comprise the base be fixedly contained in described housing, described base offers through hole, described connecting rod is arranged in described through hole slidably, described elastic component and described locating part are contained in described through hole, and described elastic component offsets away from one end of described locating part and the sidewall of described through hole.
3. the tight device of pushing handle card of the syringe for syringe pump according to claim 2, it is characterized in that, also comprise and be contained in support set in described housing and pivot pin, the end face of one end of described support set is fixedly connected with described base, the relative both sides correspondence of the other end of described support set offers guide chute, and described connecting rod is arranged in described support set rotationally, described pivot pin is arranged on described connecting rod regularly, and described pivot pin is arranged along the radial direction of described connecting rod, the two ends that described pivot pin stretches out described connecting rod are contained in the guide chute of relative both sides of described support set respectively, and along described guide chute slidably.
4. the tight device of pushing handle card of the syringe for syringe pump according to claim 3, it is characterized in that, the helical groove portion that described guide chute has straight trough portion and is communicated with described straight trough portion, and described straight trough portion is arranged near described lever, slide along described helical groove portion respectively in the two ends that described pivot pin stretches out described connecting rod, to make described link rotatable and to slide towards the direction of stretching out described housing.
5. the tight device of pushing handle card of the syringe for syringe pump according to claim 4, it is characterized in that, also comprise and being contained in described housing and the gland be fixedly connected with away from one end of described button with described lever, described connecting rod is flexibly connected with described gland away from one end of described jaw.
6. the tight device of pushing handle card of the syringe for syringe pump according to claim 5, is characterized in that, described gland offers accepting groove, and described connecting rod is contained in described accepting groove rotationally away from one end of described jaw.
7. the tight device of pushing handle card of the syringe for syringe pump according to claim 6, is characterized in that, also comprise the bearing be contained in described accepting groove, and described bearing holder (housing, cover) is located at described connecting rod one end away from described jaw, and with described connecting rod interference fit.
8. the tight device of pushing handle card of the syringe for syringe pump according to claim 7, is characterized in that, one end of described connecting rod forms necking part, and described bearing holder (housing, cover) is located on described necking part, and with described necking part interference fit.
9. the tight device of pushing handle card of the syringe for syringe pump according to claim 4, it is characterized in that, also comprise axle sleeve, described axle sleeve is arranged in described through hole, and be fixedly connected with the sidewall of described through hole, described connecting rod is arranged in described axle sleeve slidably, and described connecting rod is rotatable in described axle sleeve.
10. the tight device of pushing handle card of the syringe for syringe pump according to claim 1, it is characterized in that, the holding piece that cylindricality fixed part logical during described jaw comprises and side are fixedly connected with described cylindricality fixed part, described connecting rod is arranged in described cylindricality fixed part regularly away from one end of described lever, described holding piece match with the outer surface of housing can clamp described syringe push away handle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310671832.1A CN104689425B (en) | 2013-12-10 | 2013-12-10 | Push handle gripping mechanism for the syringe of syringe pump |
| PCT/CN2014/093505 WO2015085929A1 (en) | 2013-12-10 | 2014-12-10 | Syringe plunger clamping device for syringe pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310671832.1A CN104689425B (en) | 2013-12-10 | 2013-12-10 | Push handle gripping mechanism for the syringe of syringe pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104689425A true CN104689425A (en) | 2015-06-10 |
| CN104689425B CN104689425B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310671832.1A Active CN104689425B (en) | 2013-12-10 | 2013-12-10 | Push handle gripping mechanism for the syringe of syringe pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104689425B (en) |
| WO (1) | WO2015085929A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544297A (en) * | 2019-03-20 | 2020-08-18 | 华中科技大学同济医学院附属协和医院 | Medical hand-held type electron syringe that dispenses |
| CN110585523B (en) * | 2019-07-24 | 2024-06-25 | 常州市第二人民医院 | Quantitative timer for blood permeation and fluid infusion |
| CN112641500B (en) * | 2020-12-31 | 2022-07-12 | 杭州堃博生物科技有限公司 | Pusher and steam ablation equipment |
| EP4342508A1 (en) * | 2022-09-21 | 2024-03-27 | Trasis S.A. | Device for coupling a syringe to an actuator |
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| US7150724B2 (en) * | 2002-06-05 | 2006-12-19 | Cardinal Health 303, Inc. | Syringe plunger driver system |
| US8696634B2 (en) * | 2010-01-27 | 2014-04-15 | Panasonic Corporation | Syringe drive device |
| US9731068B2 (en) * | 2011-03-16 | 2017-08-15 | Fresenius Vial Sas | Drive head for a syringe pump |
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2013
- 2013-12-10 CN CN201310671832.1A patent/CN104689425B/en active Active
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2014
- 2014-12-10 WO PCT/CN2014/093505 patent/WO2015085929A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5242972B2 (en) * | 2007-08-10 | 2013-07-24 | 株式会社テクトロン | Syringe pump and pusher holding method |
| CN201524307U (en) * | 2008-06-03 | 2010-07-14 | 惠州益邦科技有限公司 | Multifunctional injection pump with TCI learning mode |
| CN102046226A (en) * | 2008-06-03 | 2011-05-04 | 泰尔茂株式会社 | Syringe pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104689425B (en) | 2017-09-12 |
| WO2015085929A1 (en) | 2015-06-18 |
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