CN104265619A - Medical high-pressure pump - Google Patents
Medical high-pressure pump Download PDFInfo
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- CN104265619A CN104265619A CN201410517058.3A CN201410517058A CN104265619A CN 104265619 A CN104265619 A CN 104265619A CN 201410517058 A CN201410517058 A CN 201410517058A CN 104265619 A CN104265619 A CN 104265619A
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Abstract
The invention discloses a medical high-pressure pump. The medical high-pressure pump comprises a pump body which is provided with a fluid inlet channel and a fluid outlet channel, a low-pressure pipe base which is arranged inside the fluid inlet channel, a high-pressure pipe base which is arranged inside the fluid outlet channel, a pressure channel which is arranged inside the pump body and connected with the fluid inlet channel and the fluid outlet channel, a piston which is arranged inside the pressure chamber, a transmission rod which drives the piston to move and is connected with a piston opening end which is close to the pressure chamber of the piston. According to the medical high-pressure pump, the pump and a motor transmission structure are separated, the pump and the transmission structure are connected through a standard interface, only the pump body with a simple structure is required to be sterilized before a surgery, medical liquid only flows inside a sterile pipeline of a medical pump after sterilization, infectious risks caused by instruments are reduced, and accurate pressure control of a medical water jet cutter is achieved. The medical high-pressure pump has the advantages of being simple in structure, convenient to operate and safe and reliable, enabling the instruments and pipelines to be rapidly replaced and used and being sterilized.
Description
Technical field
The present invention relates to the technical field of surgical instruments of Minimally Invasive Surgery cutting, in particular a kind of medical high-pressure service pump.
Background technique
Medical water jet is that one utilizes high pressure water jet to carry out selectivity cutting to tissue; can accurately protect blood vessel, nerve; realize the surgical device of Wicresoft, medical water jet has been widely used in the operations such as traumatic surgery, ent surgery, oral maxillofacial surgery.High-pressure service pump is one of core of medical water jet design, industry water cutter is reach the high-pressure cylinder that the many employings of ultrahigh pressure performance manufacture specially to supply water. design and manufaction all more complicated of high-pressure cylinder, and medical water jet pressure is relatively little, the working standard parts such as normal employing plunger pump.But plunger pump structurally still exists some problems, such as volume is comparatively large, and quality is large. internal structure is complicated, can not realize asepticize.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of medical high-pressure service pump, be intended to solve medical high-pressure service pump of the prior art due to plunger pump structure complexity, very easily sterilizing is incomplete, and volume is comparatively large, quality is large. the defect of internal structure complexity.
Technological scheme of the present invention is as follows:
A kind of medical high-pressure service pump, comprises the pump housing that has feed pathway and liquid outlet channel, wherein, also comprises:
Be arranged on the low pressure base in described feed pathway;
Be arranged on the high pressure base in described liquid outlet channel;
The pressure chamber being arranged in the described pump housing, being all connected with described feed pathway and described liquid outlet channel;
Be arranged on the piston in described pressure chamber;
For the drive link driving described piston movement, be connected with the nearly pressure chamber opening end of described piston.
Described medical high-pressure service pump, wherein, the nearly pressure chamber end of described low pressure base is provided with the first cavity, is provided with the stop ball for blocking described feed pathway under being in pressurized liquid state at medical high-pressure service pump in described first cavity.
Described medical high-pressure service pump, wherein, the nearly pressure chamber end of described high pressure base is provided with the second cavity, the pressure chamber end far away of described second cavity be provided with prevent liquid outlet channel from closing anti-ly close pad, also arrange one in described second cavity for blocking the pressure-bearing ball of described liquid outlet channel under being in pumping liquid state at medical high-pressure service pump.
Described medical high-pressure service pump, wherein, described stop ball is spheroidal or cylindrical, and diameter is 0.1-100mm.
Described medical high-pressure service pump, wherein, described anti-to close pad be the smooth pad being evenly equipped with fine through holes.
Described medical high-pressure service pump, wherein, described pressure chamber comprises size and piston is suitable, for providing first chamber in piston movement region, and is arranged at the second chamber of described pump housing opening end.
Described medical high-pressure service pump, wherein, the cross section of described first chamber is circular or oval.
Described medical high-pressure service pump, wherein, the cross section of described second chamber is taper, ellipse or oblate.
Described medical high-pressure service pump, wherein, the external diameter of described piston is 0.1-100mm, and the stroke of described piston in described first chamber is 0.1-100mm.。
Medical high-pressure service pump provided by the present invention, comprises the pump housing that has feed pathway and liquid outlet channel, also comprises: be arranged on the low pressure base in described feed pathway; Be arranged on the high pressure base in described liquid outlet channel; The pressure chamber being arranged in the described pump housing, being all connected with described liquid outlet channel with described feed pathway; Be arranged on the piston in described pressure chamber; For the drive link driving described piston movement, be connected with the nearly pressure chamber opening end of described piston.Due to pump is separated with motor transmission structure, be connected by standard interface between pump with drive mechanism, operation consent only need carry out sterilizing to the simple pump housing of structure, and the aseptic pipeline of medical use liquid only medical pump after sterilization flows, and reduces the risk that apparatus causes infecting.And the pressure achieving medical water jet accurately controls, there is structure simple, convenient operation, safe and reliable, apparatus, pipeline energy quick-replaceable and use, the advantage of asepticize.
Accompanying drawing explanation
Fig. 1 is the sectional view of the preferred embodiment of medical high-pressure service pump of the present invention.
The schematic diagram of Fig. 2 to be medical high-pressure service pump of the present invention be pumping liquid state.
Embodiment
The invention provides a kind of medical high-pressure service pump, for making object of the present invention, technological scheme and effect clearly, clearly, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, it is the sectional view of the preferred embodiment of medical high-pressure service pump of the present invention, described medical high-pressure service pump comprises the pump housing 100 that has feed pathway 110 and liquid outlet channel 120, also comprises: be arranged on the low pressure base 200 in described feed pathway 110; Be arranged on the high pressure base 300 in described liquid outlet channel 120; The pressure chamber 400 being arranged in the described pump housing 100, being all connected with described feed pathway 110 and described liquid outlet channel 120; Be arranged on the piston 500 in described pressure chamber 400; The drive link 600 moving for driving described piston 500, being connected with the nearly pressure chamber opening end of described piston 500.Due to the pump housing 100 is separated with the drive link 600 of motor, be connected by standard interface between pump with drive mechanism, operation consent only need carry out sterilizing to the simple pump housing 100 of structure, and the aseptic pipeline of medical use liquid only medical pump after sterilization flows, and reduces the risk that apparatus causes infecting.
Further, as shown in Figure 1, the nearly pressure chamber end of described low pressure base 200 is provided with the first cavity 210, is provided with the stop ball 220 for blocking described feed pathway 110 under being in pressurized liquid state at medical high-pressure service pump in described first cavity 210.The nearly pressure chamber end of described high pressure base 300 is provided with the second cavity 310, the pressure chamber end far away of described second cavity 310 is provided with prevent liquid outlet channel 120 from closing anti-and closes pad 320, is also provided with the pressure-bearing ball 330 for blocking described liquid outlet channel 120 under being in pumping liquid state at medical high-pressure service pump in described second cavity 310.
Preferred embodiment of the present invention in the specific implementation, described low pressure base 200 inserts the feed pathway 110 of the pump housing 100, and be spirally connected with the described pump housing 100, the front end of low pressure base 200 and the pump housing 200 assemble in rear formation first cavity 210, first cavity 210 and are provided with stop ball 220; The shape of stop ball 220 is spheroidal or cylindrical, and diameter is 0.1-100mm, and the inlet opening of the feed pathway 110 of the pump housing 100 is an eccentric opening, and the first cavity 210 bottom in low pressure base 200 is a conical surface, is easy to airtight feed pathway 110.
Same, the liquid outlet channel 120 of the pump housing 100 is inserted in high pressure base 300 front end, and is spirally connected with the described pump housing 100, and high pressure base 300 front end and the pump housing 100 assemble in rear formation second cavity 310, second cavity 310 to be provided with to be prevented closing pad 320 and pressure-bearing ball 330; Prevent closing pad 320 for being evenly equipped with the smooth pad of fine through holes, be arranged in the second cavity 310 away from the pump housing 100 one end, liquid outlet channel 120 bottom of the pump housing 100 is a conical surface, is easy to enclosed high pressure passage.
Referring again to Fig. 1, it is simultaneously for medical high-pressure service pump of the present invention becomes the schematic diagram of pressurized liquid state.When under the effect of drive link 600 at motor and driving mechanism, (namely to the direction close to feed pathway 110 and liquid outlet channel 120) advances forward, masterpiece is used for circumference and the closely sealed piston 500 of valve body pressure chamber, piston 500 promotes liquid in pressure chamber 400, in pressure chamber 400, the conical surface of stop ball 220 with low pressure base 200 is fitted by liquid under the effect of pressure, close feed pathway 110, stop liquid to be overflowed by feed pathway 110; Liquid-driving pressure-bearing ball 330 is pressed in and prevents closing on pad 320 simultaneously, and when pressure-bearing ball 330 is with when preventing that closing pad 320 contacts, liquid can pass the gap of pressure-bearing ball 330 and the second cavity 310 and prevent that the through hole closing pad 320 enters high pressure liquid outlet channel.
Further, as shown in Figure 1, described pressure chamber 400 comprises size and piston 500 is suitable, for providing the first chamber 410 of piston 500 moving region, and is arranged at the second chamber 420 of the described pump housing 100 opening end.During concrete enforcement, drive link 600 is assembled together by buckle structure (also can be screw connection structure) and piston 500, be positioned at the first chamber 410 of pressure chamber 400, wherein piston 500 is for having the flexible material of some strength, diameter 0.1-100mm, stroke is 0.1-200mm, and the cross section of the first chamber 410 of pressure chamber 400 is circular or oval, and the cross section of the second chamber 420 presents taper, ellipse or oblate.
Refer to Fig. 2, it is the schematic diagram that medical high-pressure service pump of the present invention becomes pumping liquid state.When under the effect of drive link 600 at motor and driving mechanism, (namely to the direction away from feed pathway 110 and liquid outlet channel 120) moves backward, power is acted on circumference and the closely sealed piston 500 of valve body pressure chamber by buckle structure, first chamber 410 space of pressure chamber 400 increases, in pressure chamber 400, liquid pressure reduces rapidly, in liquid outlet channel 120, pressure-bearing ball 330 promotes to the direction close to pressure chamber 400 by liquid, until pressure-bearing ball 330 is fitted with the conical surface of the pump housing 100, block the liquid outlet of liquid outlet channel 120; Along with drive link 600 continues motion, in pressure chamber 400, liquid pressure is lower than feed liquor pressure, outside liquid pushes stop ball 220 open under the effect of feed liquor pressure, stop ball 220 moves to the one end close to pressure chamber 400 in the first cavity 210, contact with the pump housing 100, inlet opening due to the feed pathway 110 of the pump housing 100 is eccentric opening, and stop ball 220 cannot block feed pathway 110, therefore outside liquid enters pressure chamber 400 by input duct.
Visible, pressure-bearing ball 300 in the present invention in preferred embodiment, valve body, high pressure base 300 form discharge opeing pressure-bearing one-way valve, stop ball 220, low pressure base 200, valve body form imbibition pressure-bearing one-way valve, the basic structure of pump is jointly formed with piston 400, complete the function of pump, and then produce high voltage power liquid, therefore the manufacture of described medical pump is simple, easy to maintenance, user cost is also lower simultaneously.
Based on above-mentioned medical high-pressure service pump, present invention also offers a kind of medical water jet, comprise medical high-pressure service pump of the present invention.Described medical water jet is owing to have employed medical pump of the present invention, therefore pressure energy accurately controls, and it has structure simply simultaneously simultaneously, and convenient operation is safe and reliable, apparatus, pipeline energy quick-replaceable and use, the advantages such as asepticize.
Medical high-pressure service pump provided by the present invention, comprises the pump housing that has feed pathway and liquid outlet channel, also comprises: be arranged on the low pressure base in described feed pathway; Be arranged on the high pressure base in described liquid outlet channel; The pressure chamber being arranged in the described pump housing, being all connected with described liquid outlet channel with described feed pathway; Be arranged on the piston in described pressure chamber; For the drive link driving described piston movement, be connected with the nearly pressure chamber opening end of described piston.Due to pump is separated with motor transmission structure, be connected by standard interface between pump with drive mechanism, operation consent only need carry out sterilizing to the simple pump housing of structure, and the aseptic pipeline of medical use liquid only medical pump after sterilization flows, and reduces the risk that apparatus causes infecting.And the pressure achieving medical water jet accurately controls, there is structure simple, convenient operation, safe and reliable, apparatus, pipeline energy quick-replaceable and use, the advantage of asepticize.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and such as, all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (9)
1. a medical high-pressure service pump, comprises the pump housing that has feed pathway and liquid outlet channel, it is characterized in that, also comprise:
Be arranged on the low pressure base in described feed pathway;
Be arranged on the high pressure base in described liquid outlet channel;
The pressure chamber being arranged in the described pump housing, being all connected with described feed pathway and described liquid outlet channel;
Be arranged on the piston in described pressure chamber;
For the drive link driving described piston movement, be connected with the nearly pressure chamber opening end of described piston.
2. medical high-pressure service pump according to claim 1, it is characterized in that, the nearly pressure chamber end of described low pressure base is provided with the first cavity, is provided with the stop ball for blocking described feed pathway under being in pressurized liquid state at medical high-pressure service pump in described first cavity.
3. medical high-pressure service pump according to claim 1, it is characterized in that, the nearly pressure chamber end of described high pressure base is provided with the second cavity, the pressure chamber end far away of described second cavity be provided with prevent liquid outlet channel from closing anti-ly close pad, also arrange one in described second cavity for blocking the pressure-bearing ball of described liquid outlet channel under being in pumping liquid state at medical high-pressure service pump.
4. medical high-pressure service pump according to claim 2, it is characterized in that, described stop ball is spheroidal or cylindrical, and diameter is 0.1-100mm.
5. medical high-pressure service pump according to claim 3, is characterized in that, described anti-to close pad be the smooth pad being evenly equipped with fine through holes.
6. medical high-pressure service pump according to claim 1, is characterized in that, described pressure chamber comprises size and piston is suitable, for providing first chamber in piston movement region, and is arranged at the second chamber of described pump housing opening end.
7. medical high-pressure service pump according to claim 6, is characterized in that, the cross section of described first chamber is circular or oval.
8. medical high-pressure service pump according to claim 6, it is characterized in that, the cross section of described second chamber is taper, ellipse or oblate.
9. medical high-pressure service pump according to claim 6, it is characterized in that, the external diameter of described piston is 0.1-100mm, and the stroke of described piston in described first chamber is 0.1-100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517058.3A CN104265619A (en) | 2014-09-30 | 2014-09-30 | Medical high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517058.3A CN104265619A (en) | 2014-09-30 | 2014-09-30 | Medical high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104265619A true CN104265619A (en) | 2015-01-07 |
Family
ID=52157175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410517058.3A Pending CN104265619A (en) | 2014-09-30 | 2014-09-30 | Medical high-pressure pump |
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| Country | Link |
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| CN (1) | CN104265619A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286201A (en) * | 2015-05-14 | 2017-01-04 | 罗凤玲 | A kind of stable high voltage medical pump |
| CN106641244A (en) * | 2015-10-30 | 2017-05-10 | 罗凤玲 | Detachable piston rod joint and forming method thereof |
| CN106641245A (en) * | 2015-10-30 | 2017-05-10 | 罗凤玲 | Piston rod connector and machining method thereof |
| WO2017107873A1 (en) * | 2015-12-25 | 2017-06-29 | 罗凤玲 | Pump |
| CN107339203A (en) * | 2017-03-06 | 2017-11-10 | 惠州科赛医疗有限公司 | A kind of stabilized pressure pump |
| WO2018058755A1 (en) * | 2016-09-27 | 2018-04-05 | 惠州科赛医疗有限公司 | Medical pressure-stabilizing pump |
| CN112412727A (en) * | 2020-11-24 | 2021-02-26 | 绵阳美科电子设备有限责任公司 | Disposable medical high-pressure jet pump and application method thereof |
| WO2023029208A1 (en) * | 2021-08-31 | 2023-03-09 | 惠州海卓科赛医疗有限公司 | Switching valve, stabilized pressure pump, and water jet device |
Citations (5)
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| CN1856276A (en) * | 2003-09-30 | 2006-11-01 | 爱尔伯电子医疗设备公司 | Transport device for sterile media |
| CN1980609A (en) * | 2004-06-30 | 2007-06-13 | 爱尔伯电子医疗设备公司 | Medical pump |
| US20110028887A1 (en) * | 2008-04-03 | 2011-02-03 | Klaus Fischer | Water jet surgical instrument |
| CN103671078A (en) * | 2012-09-19 | 2014-03-26 | 厄比电子医学有限责任公司 | Pump unit for water jet surgery |
| CN204113631U (en) * | 2014-09-30 | 2015-01-21 | 罗凤玲 | A kind of medical high-pressure service pump |
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2014
- 2014-09-30 CN CN201410517058.3A patent/CN104265619A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856276A (en) * | 2003-09-30 | 2006-11-01 | 爱尔伯电子医疗设备公司 | Transport device for sterile media |
| CN1980609A (en) * | 2004-06-30 | 2007-06-13 | 爱尔伯电子医疗设备公司 | Medical pump |
| US20110028887A1 (en) * | 2008-04-03 | 2011-02-03 | Klaus Fischer | Water jet surgical instrument |
| CN103671078A (en) * | 2012-09-19 | 2014-03-26 | 厄比电子医学有限责任公司 | Pump unit for water jet surgery |
| CN204113631U (en) * | 2014-09-30 | 2015-01-21 | 罗凤玲 | A kind of medical high-pressure service pump |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286201A (en) * | 2015-05-14 | 2017-01-04 | 罗凤玲 | A kind of stable high voltage medical pump |
| CN106641244A (en) * | 2015-10-30 | 2017-05-10 | 罗凤玲 | Detachable piston rod joint and forming method thereof |
| CN106641245A (en) * | 2015-10-30 | 2017-05-10 | 罗凤玲 | Piston rod connector and machining method thereof |
| WO2017107873A1 (en) * | 2015-12-25 | 2017-06-29 | 罗凤玲 | Pump |
| CN106917744A (en) * | 2015-12-25 | 2017-07-04 | 罗凤玲 | A kind of pump |
| WO2018058755A1 (en) * | 2016-09-27 | 2018-04-05 | 惠州科赛医疗有限公司 | Medical pressure-stabilizing pump |
| CN107339203A (en) * | 2017-03-06 | 2017-11-10 | 惠州科赛医疗有限公司 | A kind of stabilized pressure pump |
| CN112412727A (en) * | 2020-11-24 | 2021-02-26 | 绵阳美科电子设备有限责任公司 | Disposable medical high-pressure jet pump and application method thereof |
| CN112412727B (en) * | 2020-11-24 | 2021-08-31 | 绵阳美科电子设备有限责任公司 | Disposable medical high-pressure jet pump and application method thereof |
| WO2023029208A1 (en) * | 2021-08-31 | 2023-03-09 | 惠州海卓科赛医疗有限公司 | Switching valve, stabilized pressure pump, and water jet device |
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Application publication date: 20150107 |