CN1727016A - Pressure and volume controlled hybrid type needle cylinder device - Google Patents
Pressure and volume controlled hybrid type needle cylinder device Download PDFInfo
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- CN1727016A CN1727016A CN 200410070631 CN200410070631A CN1727016A CN 1727016 A CN1727016 A CN 1727016A CN 200410070631 CN200410070631 CN 200410070631 CN 200410070631 A CN200410070631 A CN 200410070631A CN 1727016 A CN1727016 A CN 1727016A
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Abstract
An injector able to control pressure and the quantity of injection for generating high pressure to push the substance contained in it is composed of a boosting push rod with a screwed straight rod, a grasped control part with a screwed through hole for match with said push rod, and a sleeve cylinder with a hollow cylinder and a sleeve part. It features that said hollow cylinder is matched with said sleeve part in movable mode.
Description
Technical field
The invention relates to a kind of pressure and volume controlled hybrid type needle cylinder device, be meant a kind of medically especially, can produce high pressure, and see through mechanism design so that push an interior content, can simple and easy and convenient propelling or the pressure and volume controlled hybrid type needle cylinder device that retreats.
Background technology
Medical personnel were when the higher pulpous state pharmaceuticals of injection stickiness were to the patient body in the past, injected with push rod after still being to use general traditional ccontaining medicine of syringe cylinder mostly again.And this mode, as the patient body's internal object position that must inject, it is position for a high pressure, as the vertebral segments of subsiding is when needing its distraction reduction etc., traditional syringe cylinder can heighten because of counteracting force, or the pulpous state pharmaceuticals solidify gradually, and make that medical personnel's action of injection is more and more difficult, required applied pressure or spent muscle power also get more and more, or even exert pressure and one weaken, injected the pharmaceuticals or the syringe push rod that enter and promptly pushed back, caused the zone that has strutted to subside once more by counteracting force, and operative failure.
Again moreover, traditional syringe cylinder removes that have can't persistent pressure, fixation pressure is to prevent outside the shortcomings such as back-pressure, the needed high-pressure injection needle cylinder device of medical personnel, other needs the function of the hollow sleeve part that still can apply mechanically general syringe, and device can be pushed injection fast and retreat, or can finely tune the multi-functional of pushing control dosage etc. at a slow speed, but visible these a little pressue devices in market, be complex structure mostly, cleaning-sterilizing is difficult for, and cost an arm and a leg, can't imply possible product or the patent of cyclic polluting, as United States Patent (USP) 5800405 with after promptly abandoning, 5599315,5057078 and 5047015 etc.
Summary of the invention
A purpose of the present invention is to provide a kind of pressure and volume controlled hybrid type needle cylinder device.
Another object of the present invention is to provide a kind of pressurization push rod, that comprises to hold a control and a telescopic pressure and volume controlled hybrid type needle cylinder device.
Another purpose of the present invention is to provide a kind of this telescopic one ccontaining tube and an engagement piece movable separately or combination, and this sleeve holds with this that control is movable to be separated or fluid-tight engagement, and this structure of holding control pressure and volume controlled hybrid type needle cylinder device that can make this pressurization push rod penetrate, pressurize propelling, fix or retreat.
A further object of the present invention is to provide a kind of this to hold control and can be screw design, or be a forward and backward control with meshing fixed structure, or be before, during and after one control with the pressure and volume controlled hybrid type needle cylinder device of slotted eye guiding one or meshing this pressurization push rod of a plurality of Control Component.
So a kind of pressure and volume controlled hybrid type needle cylinder device of the present invention, it comprises:
One pressurization push rod comprises a straight-bar that is provided with thread;
One holds control, and being provided with one first perforation can penetrate for this straight-bar; And
One sleeve comprises the ccontaining tube and an engagement piece of a syringe, and this engagement piece is provided with one second perforation;
It is characterized in that: this ccontaining tube is movable to be penetrated in this second perforation and this engagement piece fit mutually, this sleeve then closes with this side close proximity of holding control so that this engagement piece is movable, this first perforation of holding control is essentially a screw, and holding part of ccontaining of this screw and this is conducted, this straight-bar can penetrate this screw by this opposite side of holding control and enter in this holding part, and thread is movable advances or retreat with the rotation that is screwed of this screw.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein this is held control and may further be in fact and include a control and a back control before one, control and back control before this first perforation connects and is somebody's turn to do, and should before control be provided with one or a plurality of skew wall along this first perforation axis, and be connected with these skew walls and offer one or a plurality of and this first vertical long slot bore that is connected of boring a hole, this back control is then along this first perforation axis, extend be provided with one or plural pieces in the shell fragment of inner side mounting thread, and these shell fragments are movable is inserted in these long slot bores, the movable contact of the front end of these shell fragments is to this skew wall, and movablely raised or descended along this skew wall, make its medial surface screw thread can away from or contact to the thread of this pressurization push rod.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein should before control further offer one or a plurality of control hole, and this back control then also is provided with one or a plurality of control button, with the movable fit mutually of this control hole, this control button is movable to slide in this control hole, make the thread of these shell fragments fixing away from or contact to the thread of this pressurization push rod.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein this is held control and may further be in fact and include control before, control in one, one back control and one or a plurality of Control Component, one side of these Control Components is provided with screw thread, and preceding control is somebody's turn to do in this first perforation perforation, middle control and back control, should be provided with one first combining mechanism by preceding control, should in control be provided with one or a plurality of control slotted eye, this back control is then along this first perforation axis, extend and be provided with one second combining mechanism, movablely pass control in this, combine with first combining mechanism of this preceding control, this back control be provided with in addition one or a plurality of the 3rd the perforation with this first the perforation angle connect, these Control Components are movable inserts in these the 3rd perforation, and the movable control slotted eye with this middle control of one end contacts, but should in control then turn push away by these control slotted eyes these Control Components slided, and make the screw thread of these Control Components movable away from or contact to the thread of this pressurization push rod.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, the control slotted eye of control is essentially the oblique thread of offering in wherein being somebody's turn to do on the medial surface leg around its first perforation, the 3rd perforation of this back control is in fact also offered with its first perforation angle for oblique, the side of these Control Components and relatively the another side all cooperate and offer oblique thread, make the oblique thread of these Control Component another sides can contact the oblique thread and the movable promotion of control medial surface in this, and make these Control Components in the 3rd oblique perforation of this back control, move.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein should in the control slotted eye of control be essentially and one of on the vertical walls around its first perforation, offer or a plurality of arc guiding hole, the 3rd perforation of this back control then is and vertical the offering of its first perforation, and on the leg of the 3rd perforation periphery, prosecutor is to offering a grooving in this, the relative other end of these Control Component thread faces then is provided with a horizontal guide rod, may extend in the arc guiding hole of control in this, and it is movable mobile in this grooving, should in control is then rotatable guides these guide rods with its arc guiding hole, and interlock pushes away and makes these Control Components move in these the 3rd perforation.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein this ccontaining tube can be one of the forming with this engagement piece.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein the front end of this pressurization push rod further includes an airtight assembly, movable airtight being placed in this ccontaining tube.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein the rear end of this pressurization push rod further includes a handle, is connected with this straight-bar.
Above-mentioned pressure and volume controlled hybrid type needle cylinder device, wherein this sleeve can further comprise a stirring spring, is placed in fact in this ccontaining tube.
Defined forward and backward among the present invention, left and right, upper and lower etc., generally speaking be in a human action, the direction when this pressure and volume controlled hybrid type needle cylinder device of user hand-held enters this preparation operating area is preceding or forward, on the contrary towards user or the direction of taking out, withdraw from this pressure and volume controlled hybrid type needle cylinder device for the back or backward, and the direction that is same as the user left arm is a left side, the direction of right arm then is right, is last towards the facial direction of user, is down towards foot's direction.Defined again inside and outside, be to be as the criterion with the object body center of being censured, disperse all around for outer, outside by middle mind-set, otherwise then be interior or inside.
Description of drawings
Fig. 1 a and Fig. 1 b are the first preferred embodiment figure (Fig. 1 a is a representative graph) of a kind of pressure and volume controlled hybrid type needle cylinder device of the present invention.
Fig. 2 a to Fig. 2 c is the second preferred embodiment figure of this pressure and volume controlled hybrid type needle cylinder device.
Fig. 3 a to Fig. 3 c is the 3rd preferred embodiment figure of this pressure and volume controlled hybrid type needle cylinder device.
Fig. 4 a to Fig. 4 d is the 4th preferred embodiment figure of this pressure and volume controlled hybrid type needle cylinder device.
Reference numeral
1. pressure and volume controlled hybrid type needle cylinder device
10. push rod 11. threads pressurize
12. straight-bar 13. handles
20. hold control 201. first perforation
202. control before the thread 21.
211. interior leg 212. peripheral walls
213. skew wall 214. long slot bores
215. control hole 22. back controls
221. interior leg 222. peripheral walls
223. screw thread 224. shell fragments
225. control before the control button 23.
231. control in first combining mechanism 24.
241. oblique thread 25. back controls
251. second combining mechanism 252. the 3rd perforation
203. Control Component 204. screw threads
205. control before the opposite side screw thread 26.
261. control in first combining mechanism 27.
271. arc guiding hole 28. back controls
281. second combining mechanism 282. the 3rd perforation
283. grooving 206. Control Components
207. screw thread 208. horizontal guide rods
30. the ccontaining tube of sleeve 31. syringes
32. engagement piece 321. second perforation
322. the ccontaining tube of screw thread 33. another forms
331. rear end 332. threads
40. airtight assembly 50. stirs spring
The specific embodiment
For further specifying the present invention, cooperate graphic explanation embodiment as follows with preferred embodiment now:
Among Fig. 1 a and Fig. 1 b, first kind of preferred embodiment of a kind of pressure and volume controlled hybrid type needle cylinder device 1 of the present invention, wherein 10 is a pressurization push rod, and 20 is to hold control, and 30 is a sleeve, and 40 is an airtight assembly (being contained in this sleeve 30).
This pressurization push rod 10 includes a straight-bar 12 that is provided with thread 11, an and handle 13, the front end of this handle 13 then is this airtight assembly 40 of movable installing relatively, and this airtight assembly 40 is one or a plurality of rubber washer, or the assembly of other similar tool elastic telescopic.This is held control 20 and is provided with one first perforation 201, can penetrate for this straight-bar 12, and this first perforation 201 is in this first preferred embodiment, coming down to is a screw, can be screwed with the thread 11 of this straight-bar 12, this is held control 20 opposite sides and then also is provided with thread 202, or other combining mechanism, as snap fastener, can closely be screwed with this sleeve 30 or combine.This sleeve 30 includes ccontaining tube 31 parts of a common syringe group, an and engagement piece 32, this engagement piece 32 is provided with one second perforation 321, can pass and fit for this ccontaining tube 31, these engagement piece 32 outsides are provided with screw thread 322, can closely be screwed with this thread 202 of holding control 20, or be provided with other combining mechanism and combine.The ccontaining tube 31 of the syringe of this sleeve 30 and this engagement piece 32 also can be integrally formed, shown in the sleeve 30 of Fig. 2 a.
First kind of preferred embodiment of this pressure and volume controlled hybrid type needle cylinder device 1 is that will pressurize the earlier straight-bar 12 of push rod 10 penetrates in this screw of holding control 20 first perforation 201 when reality is used; Install straight-bar 12 front ends of this airtight assembly 40 after this passes, and will stretch and insert in this ccontaining tube 31; Should be ccontaining tube 31 penetrate fit in this engagement piece 32, again this engagement piece 32 and this are held control 20 locking that is screwed.So just can advance or retreat by this pressurize pushing away of push rod 10 or spiral shell, make the pharmaceuticals in this ccontaining tube 31 fully mix, and quantitatively extrude or stop to extrude, and again because of this pressurization push rod 10 straight-bar 12 ends, divide the part that 11 sections of threads and forward and backward no threaded section etc. are arranged, thereby part that can not have thread is pushed front and back fast, or retreat and action such as loosen, or advance or retreat with sections that thread 11 is arranged spiral in this screw first perforation 201, produce fine setting and push or detach the action of loosening, so that the pharmaceuticals amount that more accurate may command is extruded.
Among Fig. 2 a and Fig. 2 b, second kind of preferred embodiment of a kind of pressure and volume controlled hybrid type needle cylinder device 1 of the present invention, the push rod 10 that wherein should pressurize is similar with this first preferred embodiment, 30 in this sleeve is the ccontaining tube 33 of another form, it is that ccontaining tube 31 rear ends 331 of original shape are amplified, and peripheral hardware thread 332, to enable to reach the ccontaining tube 31 of in similar first concrete example this and this engagement piece 32 integrally formed design and function.40 of this airtight assemblies also with this first concrete example mutually roughly the same, and this pressure and volume controlled hybrid type needle cylinder device 1 second concrete example in this Fig. 2 a, other has additional one and stirs spring 50, be built in this ccontaining tube 33, can mix the pharmaceuticals of content in this ccontaining tube 33 for extruding, and the shape structure is then as shown in Fig. 2 c.
Among Fig. 2 b and Fig. 2 c, second concrete example of this pressure and volume controlled hybrid type needle cylinder device 1, wherein this is held control 20 and is further designed to and includes control 21 and back control 22 combined forming before one.This first perforation 201 is still for running through this preceding control 21 and back control 22, control 21 is along these first perforation, 201 axis before being somebody's turn to do, be provided with in one 211, the ring-type leg of outer 212 bilayers, be connected with a round skew wall 213 again in the middle of reaching, and with internal layer leg 211 that this skew wall 213 is connected on offer two relative, and with these first 201 vertical elongate slot that connect 214 of boring a hole.This 22 of control in back is also along these first perforation, 201 axis, be provided with in one 221, outer 222 layers of leg, and should in leg 221 be extended with two relative forward, and shell fragment 224 in inner side mounting thread 223, and when these are preceding 21, after control 22 boil on the nape opposite the mouth be nested fashionable, these shell fragment 224 movable being inserted in these elongate slot 214.
The movable contact of the front end of these shell fragments 224 is to this skew wall 213 again, reach when control 22 is with respect to these preceding control 21 rotations and front and back promotion after this, 224 on these shell fragments are movable to be raised on this skew wall 211 or is descended, and make these shell fragment 224 medial surface screw thread 223 away from or the thread 11 of contact to this pressurization push rod 10, promptly make this pressurization push rod 10 can not have thread and replace directly advancing of restriction or retreat, or advanced by the spiral of thread engaging restriction or retreat.
And be somebody's turn to do on the outer leg 212 of preceding control 21, be provided with the control hole 215 of two opposite sides, and be provided with control in two opposite sides of the outer leg 222 of this back control 22 and detain 225, these control holes 215 and control button 225 all movable phase fits, and should be preceding 21, back control 22 relatively rotation push away front and back when moving back, these control buttons 225 can slide in these control holes 215, and are fixed in the U-shaped two ends of these control holes 215.
Among Fig. 3 a and Fig. 3 b, the third preferred embodiment of a kind of pressure and volume controlled hybrid type needle cylinder device 1 of the present invention, the push rod 10 that wherein should pressurize is all similar with the first two concrete example, and also add an airtight assembly 40 in front end, this sleeve 30 or refer to this ccontaining tube 33, then identical with this second concrete example, and should be airtight 50 on assembly 40 and this stirring spring all roughly the same.
Among Fig. 3 b and Fig. 3 c, this is held control 20 and in fact further is made as and includes control 24 in the control before one 23,, a back control 25 and one or the device combination of a plurality of Control Component 203, still this is preceding 23 in order to run through for 201 of this first perforation, in 24, the central authorities of back control 25.
Should preceding control 23 be a round member, on the interior side enclosure wall of its first perforation, 201 peripheries, be set as first combining mechanism 231 with thread.Should middle control 24 also be a round member, and on the interior side enclosure wall of its first perforation, 201 peripheries, then be the mode of oblique angle gradient to be arranged, offer into an oblique thread 241.25 of this back controls are along its first perforation, 201 axis, are extended with one second combining mechanism 251 forward, and the front end that reaches this second combining mechanism 251 is provided with thread in addition, can be screwed closely with this first combining mechanism 231.This back control 25 is by this second combining mechanism 251, movablely passes control 24 central authorities in this, combines closely with first combining mechanism 231 of this preceding control 23 again.
Again should back control 25 on its second combining mechanism 251, other be provided with two relatively the folder acute angles, have an oblique angle gradient relatively with this first perforation 201, and the 3rd bore a hole 252 with this first perforation 201 connects.And these Control Components 203 are a similar cylinder bodily form haply, the all oblique screw thread 204,205 that is provided with in two opposite sides, the screw thread 204 of a side wherein, be the thread 11 that cooperates this pressurization push rod 10, and movable two contact the engaging or away from, the screw thread 205 of opposite side then is the oblique thread 241 that cooperates control 24 in this, and movable relatively contact.
These Control Components 203 are to adopt oblique being placed in these the 3rd perforation 252 in when device, and the screw thread 205 of another side can contact the oblique thread 241 of control 24 in this.Therefore, when control in this 24 is rotated, its oblique thread 241 can drive the opposite side screw thread 205 of this Control Component 203, and make these Control Components 203 in these the 3rd the perforation 252 in oblique moving up and down, and make the screw thread 204 of these Control Components 203 relatively, form the thread 11 of this pressurization push rod 10 of contact engaging downwards, limit this pressurization push rod 10 and advance and retreat, only allow screw propulsion or retreat; Or, do not limit the advance and retreat of this pressurization push rod 10 upwards away from the thread 11 of this pressurization push rod 10.
Among Fig. 4 a, Fig. 4 b and Fig. 4 c, the 4th kind of preferred embodiment of a kind of pressure and volume controlled hybrid type needle cylinder device 1 of the present invention, the push rod 10 that wherein should pressurize is all similar with first three concrete example, but its handle 13 is movable dismounting or installing formula, and also adds an airtight assembly 40 in front end.This sleeve 30 or refer to this ccontaining tube 33, then identical with this first, second concrete example, for movable nested, as shown in Fig. 1 b, or the formula that is one of the forming, as shown in Fig. 2 b.And 40 of this airtight assemblies all roughly the same.
Among Fig. 4 b, Fig. 4 c and Fig. 4 d, this is held control 20 and further changes in fact again to be made as and include control 27 in the control before one 26,, a back control 28 and one or the multi-form device combination of a plurality of Control Component 206, and this first perforation 201 still this is preceding 26 in order to run through, in 27, the central authorities of back control 28.
Should preceding control 26 be a round member, on the interior side enclosure wall of its first perforation, 201 peripheries, be set as first combining mechanism 261 with thread.Should middle control 27 also be a round member, and on the leg of vertical its first perforation, 201 peripheries, with have radian, like the spiral radiation, and an end is near this first perforation 201, the other end is away from the mode of this first perforation 201, offers one or the arc guiding hole 271 of a plurality of parallel these first perforation 201.28 of this back controls are along its first perforation, 201 axis, are extended with one second combining mechanism 281 forward, and the front end that reaches this second combining mechanism 281 is provided with thread in addition, can be screwed closely with this first combining mechanism 261.This back control 28 is by this second combining mechanism 281, movablely passes control 27 central authorities in this, combines closely with first combining mechanism 261 of this preceding control 26 again.
Be somebody's turn to do second combining mechanism 281 of back control 28 again, its rear end is for being expanded into a similar high building pedestal shape, bore a hole 282 and can be provided with the 3rd of three vertical these first perforation 201 thereon in addition, and on the leg of the 3rd perforation 282 peripheries, direction of control 27 in this is respectively offered a vertical grooving 283.And these Control Components 206 also are a similar cylinder bodily form haply, one end is provided with radian screw thread 207, can cooperate 11 liang of the threads of this pressurization push rod 10 contact engaging or away from, the other end then is vertical its cylinder, be equiped with a horizontal guide rod 208, may extend in the arc guiding hole 271 of control 27 in this.
These Control Components 206 are to adopt vertically to be placed in these the 3rd perforation 282 when device, and in this grooving 283 of horizontal guide rod 208 movable holdings of the other end, and front end extends in the arc guiding hole 271 of control 27 in this.Therefore, when control in this 27 is rotated, its arc guiding hole 271 can drive the horizontal guide rod 208 of this Control Component 206, and radian by the similar spiral radiation of this arc guiding hole 271, push away that this horizontal guide rod 208 and this Control Component 206 are moved up and down in these the 3rd perforation 282, and make the screw thread 207 of these Control Components 206, form the thread 11 of this pressurization push rod 10 of contact engaging downwards, limit this pressurization push rod 10 advance and retreat, only allow screw propulsion or retreat; Or, do not limit the advance and retreat of this pressurization push rod 10 upwards away from the thread 11 of this pressurization push rod 10.
Claims (10)
1. pressure and volume controlled hybrid type needle cylinder device, it comprises:
One pressurization push rod comprises a straight-bar that is provided with thread;
One holds control, and being provided with one first perforation can penetrate for this straight-bar; And
One sleeve comprises the ccontaining tube and an engagement piece of a syringe, and this engagement piece is provided with one second perforation;
It is characterized in that: this ccontaining tube is movable to be penetrated in this second perforation and this engagement piece fit mutually, this sleeve then closely combines with this side of holding control so that this engagement piece is movable, this first perforation of holding control is essentially a screw, and holding part of ccontaining of this screw and this is conducted, this straight-bar can penetrate this screw by this opposite side of holding control and enter in this holding part, and thread is movable advances or retreat with the rotation that is screwed of this screw.
2. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 1, wherein this ccontaining tube can be one of the forming with this engagement piece.
3. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 1, wherein the front end of this pressurization push rod further includes an airtight assembly, movable airtight being placed in this ccontaining tube.
4. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 1, wherein the rear end of this pressurization push rod further includes a handle, is connected with this straight-bar.
5. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 1, wherein this sleeve can further comprise a stirring spring, is placed in fact in this ccontaining tube.
6. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 1, wherein this is held control and may further be in fact and include a control and a back control before one, control and back control before this first perforation connects and is somebody's turn to do, and should before control be provided with one or a plurality of skew wall along this first perforation axis, and be connected with these skew walls and offer one or a plurality of and this first vertical long slot bore that is connected of boring a hole, this back control is then along this first perforation axis, extend be provided with one or plural pieces in the shell fragment of inner side mounting thread, and these shell fragments are movable is inserted in these long slot bores, the movable contact of the front end of these shell fragments is to this skew wall, and movablely raised or descended along this skew wall, make its medial surface screw thread can away from or contact to the thread of this pressurization push rod.
7. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 6, wherein should before control further offer one or a plurality of control hole, and this back control then also is provided with one or a plurality of control button, with the movable fit mutually of this control hole, this control button is movable to slide in this control hole, make the thread of these shell fragments fixing away from or contact to the thread of this pressurization push rod.
8. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 1, wherein this is held control and may further be in fact and include control before, control in one, one back control and one or a plurality of Control Component, one side of these Control Components then is provided with screw thread, and preceding control is somebody's turn to do in this first perforation perforation, middle control and back control, should be provided with one first combining mechanism by preceding control, should in control be provided with one or a plurality of control slotted eye, this back control is then along this first perforation axis, extend and be provided with one second combining mechanism, movablely pass control in this, combine with first combining mechanism of this preceding control, this back control be provided with in addition one or a plurality of the 3rd the perforation with this first the perforation angle connect, these Control Components are movable inserts in these the 3rd perforation, and the movable control slotted eye with this middle control of one end contacts, but should in control then turn push away by these control slotted eyes these Control Components slided, and make the screw thread of these Control Components movable away from or contact to the thread of this pressurization push rod.
9. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 8, the control slotted eye of control is essentially the oblique thread of offering in wherein being somebody's turn to do on the medial surface leg around its first perforation, the 3rd perforation of this back control is in fact also offered with its first perforation angle for oblique, these Control Component sides and relative another side all cooperate and offer oblique thread, make the oblique thread of these Control Component another sides can contact the oblique thread and the movable promotion of control medial surface in this, and make these Control Components in the 3rd oblique perforation of this back control, move.
10. pressure and volume controlled hybrid type needle cylinder device as claimed in claim 8, wherein should in the control slotted eye of control be essentially and one of on the vertical walls around its first perforation, offer or a plurality of arc guiding hole, the 3rd perforation of this back control then is and perpendicular the offering of its first perforation, and on the leg of the 3rd perforation periphery, the control direction is offered a grooving in this, the relative other end of these Control Component thread faces then is provided with a horizontal guide rod, may extend in the arc guiding hole of control in this, and it is movable mobile in this grooving, should in control is then rotatable guides these guide rods with its arc guiding hole, and interlock pushes away these Control Components is moved in these the 3rd perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100706317A CN100518842C (en) | 2004-07-26 | 2004-07-26 | Pressure and volume controlled hybrid type needle cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100706317A CN100518842C (en) | 2004-07-26 | 2004-07-26 | Pressure and volume controlled hybrid type needle cylinder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1727016A true CN1727016A (en) | 2006-02-01 |
| CN100518842C CN100518842C (en) | 2009-07-29 |
Family
ID=35926652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100706317A Expired - Fee Related CN100518842C (en) | 2004-07-26 | 2004-07-26 | Pressure and volume controlled hybrid type needle cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100518842C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701132A (en) * | 2012-05-10 | 2012-10-03 | 太仓戴尔塔精密模具有限公司 | Needle cylinder capable of achieving fine tuning |
| CN115263718A (en) * | 2022-07-29 | 2022-11-01 | 适介医疗科技(广州)有限公司 | Medical pressure device |
-
2004
- 2004-07-26 CN CNB2004100706317A patent/CN100518842C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701132A (en) * | 2012-05-10 | 2012-10-03 | 太仓戴尔塔精密模具有限公司 | Needle cylinder capable of achieving fine tuning |
| CN115263718A (en) * | 2022-07-29 | 2022-11-01 | 适介医疗科技(广州)有限公司 | Medical pressure device |
| CN115263718B (en) * | 2022-07-29 | 2024-03-26 | 适介医疗科技(广州)有限公司 | Medical pressurizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100518842C (en) | 2009-07-29 |
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