CN110269974A - A kind of endocrine is pumped with constant-temp transfusion - Google Patents
A kind of endocrine is pumped with constant-temp transfusion Download PDFInfo
- Publication number
- CN110269974A CN110269974A CN201910569971.0A CN201910569971A CN110269974A CN 110269974 A CN110269974 A CN 110269974A CN 201910569971 A CN201910569971 A CN 201910569971A CN 110269974 A CN110269974 A CN 110269974A
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- Prior art keywords
- piece
- extrusion
- pump
- perfusion tube
- limit
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14228—Pumping with an aspiration and an expulsion action with linear peristaltic action, i.e. comprising at least three pressurising members or a helical member
-
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of endocrine that the application discloses the field of medical instrument technology is pumped with constant-temp transfusion, including vermiculator and perfusion tube, vermiculator includes pump piece group and the load-bearing part for carrying perfusion tube, pumping piece group includes muti-piece extrusion pump piece, vermiculator is equipped with limit heating device, limiting heating device includes limit pump piece and multiple extrusion chambers, the bottom of limit pump piece is the plane parallel with load-bearing part, limit pump piece and extrusion pump piece interval are arranged, extrusion pump on piece is provided with the cambered surface for accommodating perfusion tube, the extrusion chamber is located at the lower part of perfusion tube and is embedded in load-bearing part；Extrusion chamber is opposite with the position of extrusion pump piece, and extrusion chamber includes heating chamber, spring, U-lag and the extrusion piston piece being slidably connected with U-lag.This programme avoids bending caused by extruding of the pump piece group to perfusion tube, while compressed gas acting enables heating chamber to heat perfusion tube by the setting of extrusion pump piece, extrusion chamber and limit pump piece.
Description
Technical field
The present invention and the field of medical instrument technology, and in particular to a kind of endocrine is pumped with constant-temp transfusion.
Background technique
Endocrine is responsible for one of the two big control systems of various physiological function normal operations in regulation animal body, by secreting
The duct free body of gland (endocrine gland) of hormone (hormone) is formed.Various hormones are to maintain balance under normal circumstances, as because
Certain reason makes this balance break (certain hormonosis or very few) this results in endocrine disorder, can cause to face accordingly
Bed performance.Male and female are all likely to occur endocrine disorder, need to treat using injection when to endocrine therapy,
Accurate infusion instrument, such as infusion pump are used when injection treatment.
Infusion pump is usually control device mechanically or electrically, it reaches control transfusion speed by acting on transfusion catheter
Purpose, infusion accuracy is most important, will have a direct impact on the therapeutic effect even life of patient, and infusion pump is at work
No to be able to maintain the straight of perfusion tube and be a key factor for influencing infusion accuracy, infusion pump is equipped with vermiculator, dress of wriggling
It sets including load-bearing part and pump piece group, pump piece group is intrinsic with the pump piece of S-shaped mode wriggling and the pump piece for one group of parallel side-by-side
Driving mechanism, driving mechanism includes motor, Coupling Shaft and eccentric wheel, and motor drives the eccentric rotation of the cam shape in Coupling Shaft
Movement dynamic, that the eccentric wheel of cam shape drives the pump piece being mounted on eccentric wheel to be stretched out and retracted, since eccentric wheel is being pacified
The position of each eccentric point is different when dress, so each pump piece under the drive of same axis stretches out the run duration with retraction
It is different；Just because of each pump piece stretching is different from the run duration retracted, just produce from first pump piece successively to last one
Continuous and the integrality of extension the stretching and retraction that a pump piece is formed；This continuous and stretching extended and retraction movement
Perforation, from pump piece front end face with from the point of view of the raised line face that is laterally arranged, form it is being made of multiple pump pieces, from top to bottom with S
Curve is the wriggling of track；When wriggling arrives the protruding point of S curve, the medical fluid in perfusion tube and perfusion tube will be generated and be squeezed
It presses and moves downward medical fluid, to complete the control to infusion quantity and speed.Infusion pump at work, pumps piece group to set
Fixed speed successively squeezes the perfusion tube being set between pump piece group and load-bearing part, so that the liquid flow forward in perfusion tube, is squeezed
Infusion pipeline in pressure area is easy to bend because of the extruding of vermiculator during the work time, increases perfusion tube and is located at extruding
The length in area, and influence infusion accuracy.In addition in crush zone, since liquid-transport pipe-line is curved, and bending degree is excessive, makes
It obtains a large amount of liquid to gather here, it is inconsistent to will cause local concentration, if ambient temperature is too low, liquid at this can be made
The temperature of body is lower, and the lower liquid of temperature enters human body, and to will cause body uncomfortable.
Summary of the invention
The invention is intended to provide a kind of endocrine to be pumped with constant-temp transfusion, the perfusion tube in infusion pump to solve the prior art
The excessive problem of bending degree.
In order to solve the above-mentioned technical problem, a kind of endocrine of the invention is pumped with constant-temp transfusion, including vermiculator and defeated
Liquid pipe, the vermiculator include pump piece group and the load-bearing part for carrying perfusion tube, and the pump piece group includes muti-piece extrusion pump
Piece, is additionally provided with limit heating device on the vermiculator, and the limit heating device includes limit pump piece and multiple extrusion chambers,
The bottom of the limit pump piece is the plane parallel with load-bearing part, and the limit pump piece and extrusion pump piece interval are arranged, described to squeeze
Press pump on piece is provided with the cambered surface for accommodating perfusion tube, and the extrusion chamber is located at the lower part of perfusion tube and is embedded at load-bearing part
It is interior；The extrusion chamber is opposite with the position of extrusion pump piece, and the extrusion chamber includes heating chamber, spring, U-lag and slides with U-lag
The extrusion piston piece of dynamic connection, the heating chamber are located at the top of extrusion piston piece, and one end of the spring is connected to U-lag
On bottom, the other end of spring is connect with extrusion piston piece；The extrusion piston on piece is equipped with the intercommunicating pore being connected to U-lag,
The intercommunicating pore is connected to heating chamber, and the top of the heating chamber is equipped with venthole, the aperture of the venthole less than two/
The aperture of one intercommunicating pore.
The working principle of the invention: for the present invention by setting limit heating device, limit heating device includes limit pump piece
With multiple extrusion chambers, the number of extrusion chamber with the number of extrusion pump piece be it is consistent, extrusion chamber is located at the underface of extrusion pump piece simultaneously
It is embedded in load-bearing part, load-bearing part is a hollow platform, and pump piece group is for one group of parallel side-by-side and with S-shaped mode wriggling, limit
Position pump piece and extrusion pump piece interval are arranged, and extrusion chamber is the structure similar to piston, including heating chamber, spring, U-lag and and U
The extrusion piston piece that shape slot is slidably connected, extrusion pump on piece are provided with the cambered surface for accommodating perfusion tube, when extrusion pump piece is downward
When squeezing perfusion tube, since U-lag is to lower recess, so perfusion tube is extruded in U-lag, due to squeezing
Pumping piece is downward cambered surface, and position-limiting action is played when squeezing perfusion tube, can be to avoid perfusion tube due to directly squeezing
Caused bending, and limiting pump piece is then traditional flat shape pump piece, can guarantee vermiculator with the setting of extrusion pump piece interval
Wriggling effect, it is ensured that the precision of infusion.
Heating chamber is the shape cooperated with perfusion tube, and the principle to be elevated the temperature using compressed gas acting works as extrusion pump
When piece squeezes perfusion tube, perfusion tube sink, and squeezes and is pressed down against spring with extrusion piston piece, extrusion piston piece and squeezes U
Shape slot, so that the gas in U-lag is compressed, gas compressed is entered in heating chamber by intercommunicating pore, due to venthole
Aperture be much smaller than the aperture of intercommunicating pore, the fever of compressed air work so that the temperature in heating chamber increases, works as extrusion pump
Piece is lifted up, recoil of spring, and extrusion piston piece returns to initial position, since extrusion pump piece is constantly to squeeze perfusion tube,
So the gas in U-lag is also compressed constantly, so that the temperature in heating chamber gradually rises, heating chamber heat radiation is to defeated
Liquid pipe heating, gradually rises the interior fluid temperature of perfusion tube, since compressed gas acting fever is limited, reaches certain
Degree, such as temperature increases the several years or ten several years just no longer increased, infusion pump can keep a constant temperature at this time
Degree will not cause the discomfort of patient even if using in cold environment.The prior art has using heating element directly to infusion
What pipe was heated, it is generally adopted by electrically heated form, one needs to consume electric power, and two is unavoidable defeated to directly heat
Liquid pipe bending deformation, needs in addition to be arranged limiting device, and the present invention is using limit heating device, using the speciality of extruding,
One, which carrys out the structure, to limit, and reduce the bending degree of perfusion tube；Two, which carry out compressed gas acting, makes it generate heat, reaches at one stroke
Two purposes obtained.In addition, when in use, the gas (30~50 DEG C or so) of high temperature can first being led into U-lag, improves and adds
The initial temperature of hot chamber keeps heating effect more preferable, is limited due to squeezing the temperature generated, it is possible to make in perfusion tube
Liquid is in stationary temperature.
The invention has the benefit that by the setting of extrusion pump piece, extrusion chamber and limit pump piece, on the one hand the present invention is
It avoids significantly being bent caused by extruding of the pump piece group to perfusion tube, heating chamber is on the other hand enable by compressed gas acting
To perfusion tube radiant heating, so that the liquid in perfusion tube is heated up, can satisfy the requirement being infused in the environment of lower temperature.
Further, the side wall of the U-lag is communicated with and the air inlet pipe that heats or condensed gas is connected to, the air inlet pipe
On be provided with valve.In a lower temperature environment in use, can be in advance by hot wind, such as first lead to 30~50 DEG C of hot wind
Enter into U-lag, improve the initial temperature of perfusion tube, since the temperature that U-lag improves is limited, is passed so not needing setting temperature
Sensor can also keep the more stable temperature needed, can coat thermal isolation film in the external of U-lag when in use, keep away
Exempt from heat loss, temperature it is higher or itself to which the gas of condensation can be passed through in advance in the higher situation of transfusion liquid temperature,
Reduce the temperature to transfusion liquid.
Further, 2~3 extrusion pump pieces are provided between limit pump piece described in every two.Extrusion pump piece and extrusion chamber are
Correspondingly, increase the number of extrusion chamber, the number of heating chamber can be increased, increase the time that perfusion tube is heated, it is ensured that
Heating effect.
Further, the check valve of the one-way conduction exported towards perfusion tube is provided on perfusion tube.When infusion, in order to
Liquid reflux is avoided, the check valve of one-way conduction is set on perfusion tube.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of endocrine constant-temp transfusion pump of the present invention；
Fig. 2 is the structural schematic diagram of extrusion pump piece and extrusion chamber cooperation in Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: driving mechanism 1, limit pump piece 2, extrusion pump piece 3, perfusion tube 4, squeezes
Chamber 5, venthole 501, heating chamber 502, intercommunicating pore 503, spring 504, U-lag 505, air inlet pipe 6, load-bearing part 7.
Embodiment 1 is substantially as depicted in figs. 1 and 2: endocrine is pumped with constant-temp transfusion, including vermiculator and perfusion tube 4, defeated
The check valve exported towards perfusion tube 4 is provided in liquid pipe 4, vermiculator includes pumping piece group and for carrying holding for perfusion tube 4
Holder 7, the extrusion pump piece 3 and limit pump piece 2 and the extrusion pump piece that pump piece group is wriggled for one group of parallel side-by-side and with S-shaped mode
3 driving mechanisms 1 intrinsic with limit pump piece 2, pump piece group include nine pieces of extrusion pump pieces 3 and three pieces of limits pump pieces 2, limit pump piece 2
And the difference of extrusion pump piece 3 is: every two pieces of limits pump and are provided with three pieces of extrusion pump pieces 3 between piece 2, under every piece of extrusion pump piece 3
Portion is provided with corresponding extrusion chamber 5, and the cambered surface for accommodating perfusion tube 4 is provided on extrusion pump piece 3, and extrusion chamber 5 is located at defeated
It the lower part of liquid pipe 4 and is embedded in load-bearing part 7；Extrusion chamber 5 includes heating chamber 502, spring 504, U-lag 505 and and U-lag
The 505 extrusion piston pieces being slidably connected, heating chamber 502 is located at the top of extrusion piston piece, and heating chamber 502 is and perfusion tube 4
The shape of outside fitting, in order to preferably heat, spring 504 is located in U-lag 505, and one end of spring 504 is connected to U-shaped
On the bottom of slot 505, the other end of spring 504 is connect with extrusion piston piece；Extrusion piston on piece is equipped with and is connected to U-lag 505
Intercommunicating pore 503, intercommunicating pore 503 is connected to heating chamber 502, and the top of heating chamber 502 is equipped with venthole 501, venthole 501
Aperture be half intercommunicating pore 503 aperture, the side wall of U-lag 505 be communicated be connected to hot-air (or hot wind) into
The temperature of tracheae 6, hot-air (or hot wind) is acted at 30~50 DEG C, is provided with valve in air inlet pipe 6.
Specific implementation process is as follows: before starting to start infusion pump, if it is extreme environment, e.g. low temperature environment, just
It is passed through high-temperature gas, starts infusion pump later, the movement of driving mechanism 1 drives extrusion pump piece 3 and limit pump piece 2 compacted with S-shaped mode
Dynamic, when extrusion pump piece 3 squeezes perfusion tube 4, perfusion tube 4 sink, and goes to squeeze extrusion piston piece, extrusion piston piece squeezes downwards
Pressing spring 504 simultaneously squeezes U-lag 505, so that the gas in U-lag 505 is compressed, gas compressed passes through intercommunicating pore 503
It enters in heating chamber 502, since the aperture of venthole 501 is much smaller than the aperture of intercommunicating pore 503, compressed air work hair
Heat, so that the temperature in heating chamber 502 increases, when extrusion pump piece 3 is lifted up, spring 504 is sprung back, and extrusion piston piece returns to just
Beginning position, since extrusion pump piece 3 is constantly to squeeze perfusion tube 4, so the gas in U-lag 505 is also pressed constantly
Contracting, so that the temperature in heating chamber 502 gradually rises, 502 heat radiation of heating chamber is heated to perfusion tube 4, makes the interior of perfusion tube 4
Fluid temperature gradually rises, due to compressed gas acting fever be limited, reach to a certain degree, such as temperature increase the several years or
Person is tens of, and degree is not just increasing, and infusion pump can keep a stationary temperature at this time, uses immediately in cold environment,
It will not cause the discomfort of patient.
If it is hot environment, it is just passed through condensed gas, compressed air work fever, the temperature of condensed gas is returned
It rises, since the amplitude of rise will not be too big, the cooling capacity of condensed gas can be effectively reduced, so that cooled to defeated
It is too low that liquid liquid is unlikely to temperature.
The difference of embodiment 2 and embodiment 1, which is only that between every two limit pump piece 2, is provided with two extrusion pump pieces 3.
Claims (4)
1. a kind of endocrine is pumped with constant-temp transfusion, including vermiculator and perfusion tube, the vermiculator includes pump piece group and use
In the load-bearing part of carrying perfusion tube, the pump piece group includes muti-piece extrusion pump piece, it is characterised in that: is also set on the vermiculator
There is limit heating device, the limit heating device includes limit pump piece and multiple extrusion chambers, and the bottom of the limit pump piece is
The plane parallel with load-bearing part, the limit pump piece and extrusion pump piece interval are arranged, and the extrusion pump on piece is provided with for holding
Receive the cambered surface of perfusion tube, the extrusion chamber is located at the lower part of perfusion tube and is embedded in load-bearing part；The extrusion chamber and extrusion pump
The position of piece is opposite, and the extrusion chamber includes heating chamber, spring, U-lag and the extrusion piston piece being slidably connected with U-lag, institute
State the top that heating chamber is located at extrusion piston piece, one end of the spring is connected on the bottom of U-lag, the other end of spring with
The connection of extrusion piston piece；The extrusion piston on piece is equipped with the intercommunicating pore being connected to U-lag, and the intercommunicating pore and heating chamber connect
Logical, the top of the heating chamber is equipped with venthole, and the aperture of the venthole is less than the aperture of half intercommunicating pore.
2. endocrine according to claim 1 is pumped with constant-temp transfusion, it is characterised in that: the side wall of the U-lag is communicated with
With heating or the air inlet pipe that is connected to of condensed gas, valve is provided in the air inlet pipe.
3. endocrine according to claim 1 or 2 is pumped with constant-temp transfusion, it is characterised in that: limit pump piece described in every two
Between be provided with 2~3 extrusion pump pieces.
4. endocrine according to claim 3 is pumped with constant-temp transfusion, it is characterised in that: be provided on perfusion tube towards infusion
The check valve of the one-way conduction of pipe outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569971.0A CN110269974B (en) | 2019-06-27 | 2019-06-27 | Constant-temperature infusion pump for endocrine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569971.0A CN110269974B (en) | 2019-06-27 | 2019-06-27 | Constant-temperature infusion pump for endocrine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110269974A true CN110269974A (en) | 2019-09-24 |
| CN110269974B CN110269974B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910569971.0A Active CN110269974B (en) | 2019-06-27 | 2019-06-27 | Constant-temperature infusion pump for endocrine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2702746Y (en) * | 2004-03-01 | 2005-06-01 | 苏州市力得医疗器械设备厂 | Pump sheet creeping device for medical infusion pump with heating device |
| CN201150688Y (en) * | 2008-01-25 | 2008-11-19 | 毛爱民 | Constant temperature infusion type peristaltic infusion pump |
| CN103599579A (en) * | 2013-11-30 | 2014-02-26 | 深圳麦科田生物医疗技术有限公司 | Infusion pump and wriggling device thereof |
| CN104162214A (en) * | 2014-09-04 | 2014-11-26 | 西安力邦医疗电子有限公司 | Rapid-temperature-controlled transfusion pump |
| US20160158437A1 (en) * | 2014-09-18 | 2016-06-09 | Deka Products Limited Partnership | Apparatus and Method for Infusing Fluid Through a Tube by Appropriately Heating the Tube |
| US20170028140A1 (en) * | 2015-07-30 | 2017-02-02 | Minebea Co., Ltd. | Transfusion apparatus and method for detecting bubbles |
-
2019
- 2019-06-27 CN CN201910569971.0A patent/CN110269974B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2702746Y (en) * | 2004-03-01 | 2005-06-01 | 苏州市力得医疗器械设备厂 | Pump sheet creeping device for medical infusion pump with heating device |
| CN201150688Y (en) * | 2008-01-25 | 2008-11-19 | 毛爱民 | Constant temperature infusion type peristaltic infusion pump |
| CN103599579A (en) * | 2013-11-30 | 2014-02-26 | 深圳麦科田生物医疗技术有限公司 | Infusion pump and wriggling device thereof |
| CN104162214A (en) * | 2014-09-04 | 2014-11-26 | 西安力邦医疗电子有限公司 | Rapid-temperature-controlled transfusion pump |
| US20160158437A1 (en) * | 2014-09-18 | 2016-06-09 | Deka Products Limited Partnership | Apparatus and Method for Infusing Fluid Through a Tube by Appropriately Heating the Tube |
| US20170028140A1 (en) * | 2015-07-30 | 2017-02-02 | Minebea Co., Ltd. | Transfusion apparatus and method for detecting bubbles |
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| CN110269974B (en) | 2021-04-13 |
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