CN202161637U - Novel disposal spiral syringe - Google Patents
Novel disposal spiral syringe Download PDFInfo
- Publication number
- CN202161637U CN202161637U CN2011200927391U CN201120092739U CN202161637U CN 202161637 U CN202161637 U CN 202161637U CN 2011200927391 U CN2011200927391 U CN 2011200927391U CN 201120092739 U CN201120092739 U CN 201120092739U CN 202161637 U CN202161637 U CN 202161637U
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- scale
- syringe
- capacity tube
- spiral
- rotation
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Abstract
The utility model discloses a novel disposal spiral syringe. The novel disposal spiral syringe comprises a capacity cylinder, a spiral pressurizing device, a piston, a movable staff gauge and a rotation-stopping handle which are connected with an injection needle. The capacity cylinder is connected with the tail part of the injection needle through an internal threaded connection device; the spiral pressurizing device is connected with the capacity cylinder through pressurizing threads; the spiral pressurizing device is fixedly connected with the piston; the movable staff gauge is in smooth and movable connection with the capacity cylinder; the movable staff gauge is fixedly connected with spiral pressurizing device; and the rotation-stopping handle is used for stopping the rotation of the capacity cylinder. The novel disposal spiral syringe is made of plastics, the accuracy of the novel disposal spiral syringe is 50 times that of a common syringe, and the novel disposal spiral syringe has lower cost, is simple and convenient to operate, and can serve as a disposal syringe.
Description
Technical field
The present invention relates to the medical syringe field, is specifically related to a kind of disposable syringe that has the screw press device.Described syringe can be used for clinical medicine domain and biomedical research field.
Background technology
Disposable syringe is clinical at biomedical scientific research field, treatment of diabetes, department of obstetrics and gynecology, have widely in the treatment of ophthalmic diseases and use.
Fig. 1 is the ideograph of known ordinary syringe.Known ordinary syringe is made up of push rod 1, urceolus 2, piston 3 and scale 4.Push rod 1 and closely contacts with urceolus 2 within urceolus 2.Piston 3 is made up of softer material, and piston 3 is also combined closely with the inwall of urceolus 2 in the bottom of push rod 1.Scale 4 is mark in the outside of urceolus 2.
The shortcoming of ordinary syringe shown in Figure 1 is: push rod 1 can obtain corresponding ID through promoting the graduation mark along scale 4, and set graduated phenomenon possibly appear pushing away in the accurate control existing problems of push rod 1; The graduation mark of scale 4 is limited, and precision is not high enough.Above-mentioned two reasons have determined that the precision of ordinary syringe is relatively poor.
Precision higher injection device is made up of injecting systems and regulating system usually in the market, so be characterized in that precision is higher.But the shortcoming of this type syringe is: syringe is complicated, and manufacturing cost is high, is not suitable for as disposable syringe.
The precision of at present disposable firmly love dart is generally lower, and for this reason in medical field and biomedical research field, exploitation easy, disposable syringe cheaply has great importance, and the present invention has explored a kind of novel disposable spiral syringe.
Summary of the invention
The invention provides a kind of disposable spiral syringe and manufacturing approach thereof.
Disposable spiral syringe of the present invention comprises capacity tube, screw press device, piston, the movable scale that links to each other with entry needle and ends swing handle.The afterbody of capacity tube and entry needle connects with the female thread connecting device; Screw press device and capacity tube are through the pressurization spiral marking connection; Screw press device and piston fixed connection; Movable scale and capacity tube are through smooth link joint, movable scale and screw press device fixed connection; Prevent the capacity tube rotation to end swing handle.
Described capacity tube has the pressurization screw device.
Described screw press device adds pressure handle, vasopressing injection bolt, injection rod pressurization screw thread and injection rod by rotation and forms.Injection rod and piston are fixedly linked.
Described movable scale is the wedge shape scale, said movable scale can with capacity tube through smooth link joint, the scale that can read with the common composition of capacity tube main scale in the capacity tube outside.The vasopressing injection bolt fixed connection of said movable scale and screw press device.
The described swing handle that ends is positioned at the capacity tube outside.Only swing handle plays when the rotation pressurization and only is rotated with tailor-made using.
Described syringe is as disposable syringe, and used material is plastics.
Syringe of the present invention adopts plastic material, and the ratio of precision ordinary syringe is high 50 times, and cost is lower, and is easy and simple to handle, can be used as disposable syringe.
Description of drawings
Fig. 1 is the ordinary syringe ideograph.1 is injector push-rod, and 2 is the syringe urceolus, and 3 is syringe piston, and 4 is syringe graduation.
Fig. 2 is a disposable spiral syringe ideograph of the present invention.Comprise following assembly: female thread connecting device 7, capacity tube pressurization screw thread 8, injection rod pressurization screw thread 9, end swing handle 10, rotation adds pressure handle 11, injection rod 12, capacity tube main scale 13, activity wedge shape scale 14, capacity tube A, vasopressing injection bolt B and rubber injection bolt sealing C.Wherein sectional view is respectively: female thread connecting device sectional view (clockwise precession) 15, end swing handle cross section Figure 16, capacity tube pressurization thread segment figure (precession clockwise) 17, injection rod cross section Figure 18, injection rod pressurization thread segment figure (precession clockwise) 19, rotation and add pressure handle sectional view 20.
The specific embodiment
The spiral syringe of embodiment 1 10ml specification
1. the ultimate principle of survey measurements
As shown in Figure 3, activity wedge shape scale 14 is pushed ahead, and rotation adds pressure handle 11 whenever revolves and turn around, and 0.5ml advances on capacity tube main scale 13.Utilize the principle of micrometer caliper, be equivalent to the scale of 0.5ml further is divided into 50 parts, the scale of activity wedge shape scale 14 is respectively 5,10,15,20,25,30,35,40,45,50, and its degree of accuracy is increased to 0.01ml.The scale of capacity tube main scale 13 is 1,2,3,4,5,6,7,8,9,10, and there is short vertical line the centre, and every lattice are represented 0.5ml.Read the scale on the capacity tube main scale 13 during reading earlier, do not have scale and then read the movable scale that rotates scale, numeral * 0.01 (ml) of total volume readings=main scale scale+movable scale.
2. firmware connects requirement
As shown in Figure 3, capacity tube A and backshank connect with female thread connecting device 7; Vasopressing injection bolt B and capacity tube A are through the pressurization spiral marking connection; Vasopressing injection bolt B and rotation add pressure handle 11 and carry out fixed connection; Activity wedge shape scale 14 passes through smooth link joint with capacity tube A in interior survey, activity wedge shape scale 14 and vasopressing injection bolt B fixed connection; Prevent capacity tube A rotation to end swing handle 10, utilize rotation to add pressure handle 11 simultaneously and carry out vasopressing injection;
3. calibration operation
The calibration of this device need be when full scale, and 50 graduation marks of movable scale overlap with the below horizontal line that runs through capacity tube main scale 13 just, and the boundary line, the left side of movable scale just with main scale on the 10ml groove overlap; This calibration process need be regulated rotation and add the spiral tightness between pressure handle 10 and the vasopressing injection bolt B.Need verify the calibration procedure of device before the per injection.
Technical specification
As shown in Figure 3,360 ° of every precessions, injection volume=0.5ml; Capacity tube A must can bear enough big injection pressure (unlikely breaking); Injection rod 12 has enough vertical counter-bending and antitorque commentaries on classics; The cooperation of pressurization screw device can be resisted to push away and helped the pressure in the process and do not thread off.
1) activity wedge shape scale 14 scales are confirmed
The scale end is a plastic material, and scale marks in cylinder and surveys, and delineation is 50 scales.
2) capacity tube main scale 13 is graduated definite
With rubber injection bolt sealing C reach capacity tube A near the entry needle bottom time, the annular groove of activity wedge shape scale 14 overlaps with 0 groove of capacity tube main scale 13 just; When rubber injection bolt sealing C to capacity tube A away from the entry needle top time, the annular groove of activity wedge shape scale 14 overlaps with the 10ml groove of capacity tube main scale 13 just.The connected mode that rotation adds pressure handle 11 and vasopressing injection bolt B is that screw thread closely links, and increases the spiral limits valve in activity place, in order to fixing helical position, must rotate limiting valve after calibration is accomplished and fix and rotate the position that adds pressure handle 11 and vasopressing injection bolt B.Rotation adds increases the spiral limits valve between pressure handle 11 and the vasopressing injection bolt B, size is less, and movement in vertical direction adds the rotation between pressure handle 11 and the vasopressing injection bolt B in order to the locking rotation.
4. the injecting method of limiting dose 3.55ml antibody-solutions
Plug syringe needle, rotation adds pressure handle, regulates scale, and the circular scale line on the activity wedge shape scale 14 is overlapped with the initial vertical line of capacity tube main scale 13.Prepare to draw antibody-solutions, rotation adds pressure handle, makes the circular scale line reach the 3.5ml scale place of capacity tube main scale 13, continues rotation, and the scale 5 of activity wedge shape scale 14 is overlapped with the below horizontal line that runs through capacity tube main scale 13.3.55ml antibody has been drawn in i.e. expression.Through utilizing rotation to add pressure handle, the liquid in the syringe is released through entry needle.
The described 10ml spiral of present embodiment syringe precision is high, can reach 0.01ml, and described syringe can pass through sterilization, repeatedly use; And can be used as disposable syringe uses.
The disposable spiral syringe of embodiment 2 1ml specifications
1. the ultimate principle of survey measurements
Activity wedge shape scale is pushed ahead, and rotation adds pressure handle whenever revolves and turn around, and 0.05ml advances on the capacity tube main scale.Utilize the principle of micrometer caliper, be equivalent to the scale of 0.05ml further is divided into 50 parts, the scale of activity wedge shape scale is respectively 5,10,15,20,25,30,35,40,45,50, and its degree of accuracy is increased to 0.001ml.The scale of capacity tube main scale is 1,2,3,4,5,6,7,8,9,10, and there is short vertical line the centre, and every lattice are represented 0.05ml.Read the scale on the capacity tube main scale during reading earlier, do not have scale and then read the movable scale that rotates scale, numeral * 0.001 (ml) of total volume readings=main scale scale+movable scale.
2. firmware connects requirement
Capacity tube and backshank connect with the female thread connecting device; Vasopressing injection bolt and capacity tube are through the pressurization spiral marking connection; Vasopressing injection bolt and rotation add pressure handle and carry out fixed connection; Activity wedge shape scale and capacity tube pass through smooth link joint, activity wedge shape scale and vasopressing injection bolt fixed connection in interior survey; Prevent the capacity tube rotation to end swing handle, utilize rotation to add pressure handle simultaneously and carry out vasopressing injection;
3. calibration operation
The calibration of this device need be when full scale, and 50 graduation marks of movable scale overlap with the below horizontal line that runs through the capacity tube main scale just, and the boundary line, the left side of movable scale just with main scale on the 1ml groove overlap; This calibration process need be regulated rotation and add the spiral tightness between pressure handle and the vasopressing injection bolt.Need verify the calibration procedure of device before the per injection.
Technical specification
360 ° of every precessions, injection volume=0.05ml; Capacity tube must can bear enough big injection pressure (unlikely breaking); Injection rod has enough vertical counter-bending and antitorque commentaries on classics; The cooperation of pressurization screw device can be resisted to push away and helped the pressure in the process and do not thread off.
1) activity wedge shape scale label is confirmed
The scale end is the plastic, transparent material, and scale marks in cylinder and surveys, and delineation is 50 scales.
2) the capacity tube main scale is graduated confirms
With rubber injection bolt sealing reach capacity tube near the entry needle bottom time, the annular groove of activity wedge shape scale overlaps with 0 groove of capacity tube main scale just; When rubber injection bolt sealing to capacity tube away from the entry needle top time, the annular groove of activity wedge shape scale overlaps with the 10ml groove of capacity tube main scale just.The connected mode that rotation adds pressure handle and vasopressing injection bolt is that screw thread closely links, and increases the spiral limits valve in activity place, in order to fixing helical position, must rotate limiting valve after calibration is accomplished and fix and rotate the position that adds pressure handle and vasopressing injection bolt.Rotation adds increases the spiral limits valve between pressure handle and the vasopressing injection bolt, size is less, and movement in vertical direction adds the rotation between pressure handle and the vasopressing injection bolt in order to the locking rotation.
4. the injecting method of limiting dose 0.678ml antibiotic solution
Plug syringe needle, rotation adds pressure handle, regulates scale, and the circular scale line on the activity wedge shape scale is overlapped with the initial vertical line of capacity tube main scale.Prepare to draw antibiotic solution, rotation adds pressure handle, makes the circular scale line reach the 0.65ml scale place of capacity tube main scale, continues rotation, and the scale 28 of activity wedge shape scale is overlapped with the below horizontal line that runs through the capacity tube main scale.The 0.678ml antibiotic solution has been drawn in i.e. expression.Through utilizing rotation to add pressure handle, the liquid in the syringe is released through entry needle.
The disposable micro spiral syringe of the described 1ml specification of present embodiment; The disposable syringe of the more common 1ml of precision has improved 50 times, and the material that is adopted is plastics, and cost is low; It is comparatively convenient to operate, and will bigger application prospect be arranged in life medical research field and clinical medicine domain.
Claims (6)
1. a novel disposable spiral syringe comprises capacity tube, screw press device, piston, the movable scale that links to each other with entry needle and ends swing handle; The afterbody of capacity tube and entry needle connects with the female thread connecting device; Screw press device and capacity tube are through the pressurization spiral marking connection; Screw press device and piston fixed connection; Movable scale and capacity tube are through smooth link joint, and movable scale and screw press device fixed connection are prevented the capacity tube rotation to end swing handle.
2. syringe according to claim 1 is characterized in that described capacity tube has the pressurization screw device.
3. syringe according to claim 1 is characterized in that, described screw press device adds pressure handle, vasopressing injection bolt, injection rod pressurization screw thread and injection rod by rotation and forms, and injection rod and piston are fixedly linked.
4. syringe according to claim 1; It is characterized in that; Described movable scale is the wedge shape scale; Said movable scale can pass through smooth link joint with capacity tube, with the scale that the common composition of capacity tube main scale in the capacity tube outside can be read, the vasopressing injection bolt fixed connection of said movable scale and screw press device.
5. syringe according to claim 1 is characterized in that, the described swing handle that ends is positioned at the capacity tube outside, and only swing handle plays when the rotation pressurization and only is rotated with tailor-made using.
6. syringe according to claim 1 is characterized in that, described syringe is as disposable spiral syringe, and used material is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200927391U CN202161637U (en) | 2011-04-01 | 2011-04-01 | Novel disposal spiral syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200927391U CN202161637U (en) | 2011-04-01 | 2011-04-01 | Novel disposal spiral syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202161637U true CN202161637U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200927391U Expired - Lifetime CN202161637U (en) | 2011-04-01 | 2011-04-01 | Novel disposal spiral syringe |
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| Country | Link |
|---|---|
| CN (1) | CN202161637U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102178989A (en) * | 2011-04-01 | 2011-09-14 | 杨祚璋 | Novel disposable spiral injector and application thereof |
| CN108420728A (en) * | 2018-03-19 | 2018-08-21 | 魏长同 | A kind of dispensing syringe |
| CN109689133A (en) * | 2016-09-16 | 2019-04-26 | 泰尔茂株式会社 | Syringe plunger, syringe pressurizing device and injector system |
| CN111432863A (en) * | 2017-10-17 | 2020-07-17 | 艾迪克斯股份公司 | Manual injection device |
-
2011
- 2011-04-01 CN CN2011200927391U patent/CN202161637U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102178989A (en) * | 2011-04-01 | 2011-09-14 | 杨祚璋 | Novel disposable spiral injector and application thereof |
| CN102178989B (en) * | 2011-04-01 | 2013-03-06 | 杨祚璋 | Novel disposable spiral injector and application thereof |
| CN109689133A (en) * | 2016-09-16 | 2019-04-26 | 泰尔茂株式会社 | Syringe plunger, syringe pressurizing device and injector system |
| CN109689133B (en) * | 2016-09-16 | 2022-03-22 | 泰尔茂株式会社 | Plunger for syringe, pressurizing device for syringe, and syringe system |
| CN111432863A (en) * | 2017-10-17 | 2020-07-17 | 艾迪克斯股份公司 | Manual injection device |
| CN108420728A (en) * | 2018-03-19 | 2018-08-21 | 魏长同 | A kind of dispensing syringe |
| CN108420728B (en) * | 2018-03-19 | 2020-11-24 | 王常荣 | Syringe for dispensing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120314 |