CN102159264B - Syringe - Google Patents
Syringe Download PDFInfo
- Publication number
- CN102159264B CN102159264B CN200980113366.7A CN200980113366A CN102159264B CN 102159264 B CN102159264 B CN 102159264B CN 200980113366 A CN200980113366 A CN 200980113366A CN 102159264 B CN102159264 B CN 102159264B
- Authority
- CN
- China
- Prior art keywords
- syringe
- plunger
- arm
- rotating shaft
- torque
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- 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
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
- A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod
- A61M5/31586—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod performed by rotationally moving or pivoted actuator, e.g. an injection lever or handle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00491—Surgical glue applicators
-
- 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
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M2005/3152—Piston or piston-rod constructions, e.g. connection of piston with piston-rod including gearings to multiply or attenuate the piston displacing force
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/08—Lipoids
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/581—Means for facilitating use, e.g. by people with impaired vision by audible feedback
Landscapes
- 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 present invention relates to a rotationally operable syringe which is provided with a simple and low cost click mechanism and in which a plunger can be rotated with ease and with small force and can be reversely rotated when needed. In a syringe adapted such that a male screw thread (7) formed on a shaft (6) of a plunger (5) is engaged with a female screw thread (3) of a cylinder barrel (1), a crank handle (11), on which a knob shaft (8) for rotational operation of the crank handle (11) is eccentrically spaced from a rotating shaft (10) with an arm (9) present between the shafts, is attached to the plunger (5) and the knob shaft (8) is rotatably mounted to the arm (9). The syringe is also provided with a click mechanism (12) for engaging the knob shaft (8) with the arm (9) at each rotation of the knob shaft (8) relative to the arm (9).
Description
Technical field
The present invention relates to plunger screw join syringe plunger cylinder side to, by making plunger rotary then the syringe that can carry out accurate discharge particularly, relates to the syringe that can utilize detent mechanism to confirm the rotation of plunger.
Background technology
For example, exist fatty centrifugalize, the fat with necessity that to utilize suction apparatus attracts and attract in the syringe, again turn back to the operation in the body.
As the syringe that in this operation, uses, disclose such as patent documentation 1, have and join plunger screw to syringe plunger cylinder side, by making the plunger rotation, can trace, the syringe of accurate discharge.
This syringe, the threaded flange screw thread that will have female thread is installed on the flange of syringe plunger cylinder, the pin thread that is formed on the axial region of plunger is threaded on the female thread of this threaded flange, simultaneously, the pallet ball that is arranged on threaded flange side is engaged in the groove that is formed on the axial direction on the axial region.
And this syringe, plunger whenever revolve and turn around, and the pallet ball is engaged in the groove of axial direction, whereby, can confirm the rotation of plunger by the click sound of pallet.
But, the syringe of this prior art will keep the screw rod of pallet ball to be embedded in the threaded flange with spring together, make the pallet ball outstanding in the female thread of threaded flange, so, exist the complex structure of threaded flange, the problem of cost up.
In addition, because the fat of discharging from syringe has high viscosity, so, in order to make the plunger rotation, need larger torque, be necessary directly to make the plunger rotation with hands, apply strong power.
Patent documentation 1: Japanese Unexamined Patent Application Publication 2005-535415 communique
Summary of the invention
The present invention is in view of the problem of the syringe existence of above-mentioned prior art, its objective is provides a kind of syringe, in the syringe of rotary operation type, detent mechanism simply and at low cost is set, simultaneously, can easily, easily make the plunger rotation, and, as required, can counter-rotate.
In order to achieve the above object, syringe of the present invention, to be formed on pin thread threaded engagement on the axial region of plunger to the female thread of syringe plunger cylinder, it is characterized in that, on aforementioned plunger, set up rotation axis that rotary manipulation uses via the crank rocker of arm from rotating shaft eccentric, simultaneously, the rotation axis of this crank rocker rotatably pivoted to be installed on the arm, and the angulation knob axle of every rotation regulation is set with respect to the detent mechanism of arm engaging.
In this case, can arrange when the torque that surpasses setting is to the rotating shaft, cut off the torque limit mechanism of the transmission of torque.
The effect of invention
According to syringe of the present invention, in the syringe of pin thread threaded engagement on the axial region that will be formed on plunger to the female thread of syringe plunger cylinder, because on aforementioned plunger, set up rotation axis that rotary manipulation uses via the crank rocker of arm from rotating shaft eccentric, simultaneously, the rotation axis of this crank rocker rotatably pivoted be installed on the arm, and the angulation knob axle of every rotation regulation is set with respect to the detent mechanism of arm engaging, so, need to groove be set at the pin thread of plunger, perhaps to bury the meticulous processing of pallet ball underground in the outstanding mode of the female thread of syringe plunger cylinder, can be simply and detent mechanism is set at low cost, simultaneously, can be light by crank rocker, easily make the plunger rotation.
In addition, the detent mechanism by the relative arm of angulation knob axle that every rotation regulation is set engages as required, can counter-rotate the axial region of plunger.
In addition, by being arranged on the torque limit mechanism that cuts off the transmission of torque when the torque of setting is to the rotating shaft, in the situation that excessive torque occurs, cut off the transmission of torque, can prevent the breakage of plunger and plunger cylinder.
Description of drawings
Fig. 1 is the front view of first embodiment of expression syringe of the present invention.
Fig. 2 represents the syringe body of this syringe, (a) be that expression makes plunger to the part sectional side view of the state that attracts side shifting, (b) be that expression makes plunger to the part sectional side view of the state of discharging side shifting, (c) be the rearview of syringe.
Fig. 3 represents the crank rocker of described syringe, (a) is its top view, (b) is its axonometric chart, (c) is its cutaway view.
Fig. 4 represents this crank rocker, (a) is its exploded perspective view, (b) is the top view of detent mechanism.
Fig. 5 represents same crank rocker, (a) be its sectional block diagram, (b) being its cutaway view, (c) is the three-view diagram of arm, (d) is four views of the cam shaft gear of arm side, (e) be the three-view diagram of rotating shaft, (f) being the three-view diagram of the threaded cap of rotating shaft, (g) is the three-view diagram of rotation axis, (h) is the three-view diagram of the threaded cap of rotation axis, (i) being the three-view diagram of latch pin, (j) is the three-view diagram of pallet housing.
Fig. 6 represents the second embodiment of syringe of the present invention, (a) is its axonometric chart, (b) is the axonometric chart of seeing when opposition side is observed this syringe, (c) is its top view, (d) is its front view, (e) is its upward view.
The specific embodiment
Below.The embodiment of syringe of the present invention is described with reference to the accompanying drawings.
Fig. 1~Fig. 5 represents first embodiment of syringe of the present invention.
This syringe, on the flange 2 of syringe plunger cylinder 1, the threaded flange 4 with female thread 3 is installed, be formed on pin thread 7 threaded engagement on the axial region 6 of plunger 5 to the female thread 3 of described threaded flange 4, by making plunger 5 rotations, can carry out the accurate discharge in trace ground.
And, this syringe, set up rotation axis 8 that rotary manipulation uses via the crank rocker 11 of arm 9 from rotating shaft 10 off-centre at aforementioned plunger 5, simultaneously, the rotation axis 8 of this crank rocker 11 rotatably pivoted be installed on the arm 9, and, the angulation knob axle 8 of every rotation regulation is set with respect to the detent mechanism 12 of arm 9 engagings.
In addition, in the present embodiment, torque limit mechanism 13 is set, when the torque that surpasses setting was to the rotating shaft 10, this torque limit mechanism 13 cut off the transmission of torques.
In addition, at the base portion of injection barrel 1, in diametric(al) pair of flanges 2 is set, on this flange 2, the threaded flange 4 with female thread 3 is installed.
In addition, on the side face of syringe plunger cylinder 1, with the scale 1c of output.
Threaded flange 4, have the slit that engages with the flange 2 of syringe plunger cylinder 1 at two ends, rotate on the position that overlaps with flange 2 by making threaded flange 4, engage also integrated with this flange 2, by making it to rotate on the position that approximately is crossed as 90 °, break away from from flange 2.
At the center of threaded flange 4, form female thread 3, pin thread 7 threaded engagement of the axial region 6 of plunger 5 are to this female thread 3.
Plunger 5 is installed to the front end of axial region 6 with liner 1d, simultaneously, with pin thread 7 threaded engagement of axial region 6 to the pin thread 3 of threaded flange 4.
In addition, on the axial region 6 of plunger 5, the hole 1e of the shape that the rotating shaft 10 of formation syringe plunger cylinder 11 engages under non-rotating state by make plunger 5 rotations via rotating shaft 10, carries out the discharge of quantitative precision.
On the other hand, the rotation axis 8 that the rotary manipulation of syringe plunger cylinder 11 is used is arranged on from the position of rotating shaft 10 off-centre via arm 9.
The bottom of rotating shaft 10 is that oval-shaped connecting rod consists of by the cross section, hangs down from an end of arm 9.
In addition, the top of rotation axis 8 is made of the parts of the shape of handling knob that is roughly triangular prism, rotatably erects the other end that is arranged on arm 9.
In addition, at the pars intermedia of rotating shaft 8, columned reverse rotation handle part 81 is set, as required, by one side these reverse rotation handle part 81 slips one are kept in the face of it, make 11 reverse rotations of syringe plunger cylinder, thus, can be with axial region 6 reverse rotations of plunger 5.
Revolve at crank rocker 11 turn around, rotation axis 8 relatively revolves when turning around, latch pin 15 is crossed this jagged inclination protuberance 16 from mild inclined-plane side, sends click sound.
In addition, the rapid inclined plane side of jagged inclination protuberance 16 stops surmounting of latch pin 15, prevents the reverse rotation of rotation axis 8.
In the present embodiment, turn around when syringe plunger cylinder 11 is revolved, when rotation axis 8 relatively revolves and turns around, turn around owing to plunger 5 revolves, so, click sound sent one time.
In addition, latch pin 15 under the state that is suppressed by spring 17, is accommodated in the pallet housing 18.
In addition, torque limit mechanism 13 is used for cutting off the transmission of torque when the torque that surpasses setting is to the rotating shaft 10.
Whereby, when the torque that surpasses setting was to the rotating shaft 10, the loading force of cam shaft gear 19 resistance springs 20 was also mobile, and whereby, disengaging and the idle running of cam shaft gear 19,93 engagement each other thus, can cut off torque to the transmission of rotating shaft 10.
In addition, these detent mechanism 12 and torque limit mechanism 13 be by unloading threaded cap 21, rotation axis 8 and rotating shaft 10 can be unloaded and decompose from arm 9, and in addition, latch pin 15 decomposes by removing being screwed into of pallet housing, thereby, clean easily and sterilize.
Fig. 6 represents second embodiment of syringe of the present invention.
This syringe forms arm 9 agley, utilizes the biasing of this arm 9, holds the pallet housing 18 of detent mechanism 12.
Namely, in above-mentioned first embodiment, in the plane that comprises rotating shaft 10 and rotation axis 8, the pallet housing 18 of detent mechanism 12 is set highlightedly from rotation axis 8 side direction foreign sides, but, in the present embodiment, 10 sides are arranged on the arm 9 with turning back from rotation axis 8 to rotating shaft by the pallet housing 18 with detent mechanism 12, and it is compact that its global shape becomes.
In addition, adopt with round shape at rotation axis 8 and arm 9, become the design that integral body has graceful sense.
In addition, same as frame for movement and first embodiment of representative take detent mechanism 12 and torque limit mechanism 13, identical member is given identical label, and description is omitted.
Like this, the syringe of present embodiment, on syringe plunger cylinder 1, installation has the threaded flange 4 of female thread 3, make pin thread 7 threaded engagement on the axial region 6 that is formed on plunger 5 on the female thread 3 of this threaded flange 4, in described syringe, set up rotation axis 8 that rotary manipulation uses via the crank rocker 11 of arm 9 from rotating shaft 10 off-centre at aforementioned plunger 5, simultaneously, the rotation axis 8 of this crank rocker 11 rotatably pivoted be installed on the arm 9, and, the angulation knob axle 8 of every rotation regulation is set with respect to the detent mechanism 12 of arm 9 engagings, so, need not at the pin thread 7 of plunger 5 groove to be set, perhaps with on the female thread 3 of threaded flange 4 highlightedly mode bury the Precision Machining of pallet ball underground, detent mechanism 12 simply and at low cost is set, simultaneously, easily easily make plunger 5 rotations by crank rocker 11.
In addition, by being arranged on the torque limit mechanism 13 that cuts off the transmission of torque when the torque of setting is to the rotating shaft 10, in the situation that excessive torque occurs, the transmission partition with this torque can prevent the breakage of plunger 5 and syringe plunger cylinder 1.
More than, according to embodiment, syringe of the present invention is illustrated, still, the present invention is not limited to the structure of above-described embodiment record, in the scope that does not exceed its purport, can suitably change its structure.
Industrial applicibility
Syringe of the present invention in the syringe of rotary operation type, simply and at low cost arranges detent mechanism, simultaneously, can be easily and easily make plunger rotation, so, be suitable for being widely used in by making plunger rotary then the syringe that carries out accurate discharge.
Symbol description
1 syringe plunger cylinder
2 flanges
3 female threads
4 threaded flanges
5 plungers
6 axial regions
7 pin threads
8 rotation axis
81 reverse rotation handle parts
9 arms
91 screwed holes
92 bearing chambers
93 cam shaft gears
10 rotating shafts
11 crank rockers
12 detent mechanism
13 torque limit mechanisms
14 cams
15 latch pins
16 inclination protuberances
17 springs
18 pallet housings
19 cam shaft gears
20 springs
21 threaded caps
Claims (1)
1. syringe, to be formed at the pin thread threaded engagement of axial region of plunger to the female thread of syringe plunger cylinder, it is characterized in that, on aforementioned plunger, set up coupled columns and fill in crank rocker that capable rotary manipulation is used, that rotation axis arranges from rotating shaft eccentric ground via arm, simultaneously, the rotation axis of crank rocker rotatably pivoted to be installed on the arm, and is provided with: the angulation knob axle of every rotation regulation is with respect to the detent mechanism of arm engaging; And the torque limit mechanism that when the torque that surpasses setting is to the rotating shaft, cuts off the transmission of torque.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-106878 | 2008-04-16 | ||
JP2008106878 | 2008-04-16 | ||
PCT/JP2009/057317 WO2009128393A1 (en) | 2008-04-16 | 2009-04-10 | Syringe |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102159264A CN102159264A (en) | 2011-08-17 |
CN102159264B true CN102159264B (en) | 2013-04-17 |
Family
ID=41199087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980113366.7A Expired - Fee Related CN102159264B (en) | 2008-04-16 | 2009-04-10 | Syringe |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5490682B2 (en) |
CN (1) | CN102159264B (en) |
HK (1) | HK1157690A1 (en) |
WO (1) | WO2009128393A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012196346A (en) * | 2011-03-22 | 2012-10-18 | Olympus Corp | Puncture needle, medicine administration device and syringe pump |
WO2018027111A1 (en) | 2016-08-05 | 2018-02-08 | Merit Medical Systems, Inc. | Crank mechanism for balloon inflation device |
EP3513825B1 (en) * | 2016-09-16 | 2021-08-25 | Terumo Kabushiki Kaisha | Syringe plunger, pressurization device for syringes, and syringe system |
US11160958B2 (en) | 2017-02-24 | 2021-11-02 | Merit Medical Systems, Inc. | Medical inflation systems and methods |
EP3911401A1 (en) * | 2019-01-18 | 2021-11-24 | Merit Medical Systems, Inc. | Medical inflation systems and methods |
USD958337S1 (en) | 2019-07-26 | 2022-07-19 | Merit Medical Systems, Inc. | Medical inflation device |
WO2024157963A1 (en) * | 2023-01-24 | 2024-08-02 | 株式会社スパインクロニクルジャパン | Medical balloon pressurizer and medical balloon pressurizer kit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3169629B2 (en) * | 1991-04-10 | 2001-05-28 | 第一照明株式会社 | Medical lighting equipment |
US7018365B2 (en) * | 1999-05-21 | 2006-03-28 | Micro Therapeutics, Inc. | Threaded syringe with quick stop |
ITVI20020140A1 (en) * | 2002-06-26 | 2003-12-29 | Tecres Spa | DEVICE FOR THE MANUAL DOSING OF A MEDICAL FLUID, PARTICULARLY BONE CEMENT |
JP2005245999A (en) * | 2004-03-01 | 2005-09-15 | Tekutoron:Kk | Manual liquid injector |
WO2005097239A1 (en) * | 2004-03-31 | 2005-10-20 | Cook Incorporated | Apparatus for an improved high pressure medicinal dispenser |
JP2006090541A (en) * | 2004-08-27 | 2006-04-06 | Nidec Copal Corp | Torque limiter |
JP4831412B2 (en) * | 2006-06-16 | 2011-12-07 | 東京理化器械株式会社 | Syringe pump |
-
2009
- 2009-04-10 CN CN200980113366.7A patent/CN102159264B/en not_active Expired - Fee Related
- 2009-04-10 JP JP2010508186A patent/JP5490682B2/en active Active
- 2009-04-10 WO PCT/JP2009/057317 patent/WO2009128393A1/en active Application Filing
-
2011
- 2011-11-16 HK HK11112377.5A patent/HK1157690A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1157690A1 (en) | 2012-07-06 |
JP5490682B2 (en) | 2014-05-14 |
JPWO2009128393A1 (en) | 2011-08-04 |
WO2009128393A1 (en) | 2009-10-22 |
CN102159264A (en) | 2011-08-17 |
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