CN204932309U - A kind of enteral nutrition feeding mechanism - Google Patents
A kind of enteral nutrition feeding mechanism Download PDFInfo
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- CN204932309U CN204932309U CN201520582974.5U CN201520582974U CN204932309U CN 204932309 U CN204932309 U CN 204932309U CN 201520582974 U CN201520582974 U CN 201520582974U CN 204932309 U CN204932309 U CN 204932309U
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- enteral nutrition
- pump door
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Abstract
A kind of enteral nutrition feeding mechanism, be made up of enteral nutrition pump and disposable enteral nutrition supply line, it is characterized in that: described pump door is established on the housing, the outside of pump door is provided with the spanner of a tabular, and spanner is fixed with the first column; Described first column offers jack, and the inner side of described pump door is provided with pump door trip, and one end of pump door trip is provided with hook-like part, and the other end is plugged in jack, is provided with the first spring between pump door trip and spanner; Be provided with locked groove in housing, hook-like part can coordinate with locked groove; Be provided with liquid stopping clamp in housing, be provided with the second spring between liquid stopping clamp and housing, liquid stopping clamp is made up of afterbody, trunk and head, and described housing is fixed with a step on the position of the described trunk of correspondence; The inner side of described pump door is provided with the second column and the 3rd column.Enteral nutrition feeding mechanism structure of the present utility model is simple, easy to operate, has higher precision, safety and reliability during infusion.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to a kind of enteral nutrition feeding mechanism.
Background technology
Enteral nutrition feeding mechanism is generally made up of enteral nutrition pump and disposable enteral nutrition supply line, enteral nutrition pump is a kind of auxotype infusion pump for nasal feeding, by nasal feeding tube input water, nutritional solution and homemade certain density meal breast, there is automatic infusion, the functions such as warning of being totally lost, being applicable to can not the conveying of the good long-term enteral nutrition liquid of oral nutrient material patient.The infusion of nutritional solution in the disposable enteral nutrition supply line of enteral nutrition pump control and management.Enteral nutrition pump in present enteral nutrition feeding mechanism is on the market primarily of compositions such as dynamical system, housing, panel, pump door, creeping mechanisms, and all belong to vertical structure, namely the Murphy tube of enteral nutrition supply line is that vertical shape is connected in housing, pump impeller in creeping mechanism extrudes the silica gel tube be connected with Murphy tube, silica gel tube overlays on the roller bearing of pump impeller by drawing high fixed packet, pump impeller makes nutritional solution flow by rotating continuously extruded silica gel tube, thus realizes the infusion of nutritional solution.But the such degree of accuracy of enteral nutrition feeding mechanism when infusion nutrient solution, safety and reliability need improve.
Summary of the invention
This utility model provides a kind of enteral nutrition feeding mechanism, its object is to improve the degree of accuracy of existing enteral nutrition feeding mechanism when infusion nutrient solution, safety and reliability.
For achieving the above object, the technical solution adopted in the utility model is: a kind of enteral nutrition feeding mechanism, be made up of enteral nutrition pump and disposable enteral nutrition supply line, described disposable enteral nutrition supply line comprises nutritional solution bag, medical PVC tube for transfusion, Murphy tube, silica gel tube, flow regulator, the trapezoidal joint in Rule; Described enteral nutrition pump comprises dynamical system, pump door, creeping mechanism and pressure transducer silica gel tube, described dynamical system comprises provides the motor of power, control panel and the driving shaft of the running of this motor, described motor can obtain pulse signal and drive driving shaft to rotate, described creeping mechanism to be arranged in described housing and can to carry out wrigglings extruding to described silica gel tube, and it is interior and can carry out pressure detecting to described silica gel tube that described pressure transducer is arranged on described housing; Described pump door is established on the housing and is opened downwards, and the outside of described pump door is provided with the spanner of a tabular, spanner is fixed with the first column, and the position that described in described pump Men Yu, the first column is corresponding is provided with a through hole, and described first column is through through hole; Described first column offers jack, the inner side of described pump door is provided with pump door trip, and this pump door trip is a blocks, and one end of blocks is provided with hook-like part, the other end of blocks is plugged in described jack, is provided with the first spring between described pump door trip and described spanner; Be provided with locked groove in described housing, described hook-like part can coordinate with the described pump door locked under closed condition with locked groove;
The inner side of described pump door is provided with to match with described creeping mechanism and compresses the pressing plate of described silica gel tube; The inner side of described pump door is also provided with to match with described pressure transducer detects the baffle plate of described silica gel tube pressure;
Liquid stopping clamp is provided with in described housing, the second spring is provided with between liquid stopping clamp and housing, described liquid stopping clamp by afterbody, to side protrude arrange trunk and to opposite side protrude arrange head form, the external diameter of described head is greater than the external diameter of described trunk, the external diameter of trunk is greater than the external diameter of described afterbody, and described housing is fixed with a step on the position of the described trunk of correspondence; The inner side of described pump door is provided with the second column of coordinating with described trunk and the 3rd column with described head fits; When installing described silica gel tube, the lower edge of the trunk of described liquid stopping clamp can manually be hung on described step; When closing described pump door, described trunk pushed by described second column, and finally makes the lower edge of the head of described liquid stopping clamp hang on described 3rd column; When described enteral nutrition pump quits work and opens pump door, described liquid stopping clamp is subject to the downward active force of described second spring and compresses described silica gel tube downwards;
When described enteral nutrition pump work, described silica gel tube level is horizontal in described housing.
Related content in technique scheme is explained as follows:
1, in such scheme, preferably scheme is that described creeping mechanism comprises the first wildhaber-novikov gear, the second wildhaber-novikov gear, Timing Belt, driving shaft, cam and power sheet; Described first wildhaber-novikov gear is fixedly supported on described driving shaft, described second wildhaber-novikov gear is fixedly supported on described driving shaft, first wildhaber-novikov gear is less than the second wildhaber-novikov gear, first wildhaber-novikov gear is connected by described toothed belt transmission with the second wildhaber-novikov gear, described driving shaft is axially provided with several cam along it, and each cam is provided with power sheet.
2, in such scheme, preferably scheme is that described dynamical system also comprises motor shock absorption pad and bearing cap, described bearing cap to be located on described driving shaft and to be fixedly connected with housing, one end of described motor shock absorption pad is fixedly connected with described motor, and the other end of motor shock absorption pad is fixedly connected with described bearing cap.Further, power flexible axle is provided with between described motor and described driving shaft.
This utility model design feature and beneficial effect are: the utility model discloses a kind of enteral nutrition feeding mechanism, this device is made up of enteral nutrition pump and disposable enteral nutrition supply line, is especially embodied in the improvement of enteral nutrition pump configuration with the difference of prior art.The pump door of enteral nutrition pump of the present utility model can be easily, complete easily and open and closedown, when opening pump door, manually pull spanner, now because one end of described pump door trip is plugged in the jack of the first column, under the effect of lever force, first column drives the hook-like part of pump door trip to depart from locked groove, thus unblank, directly close pump door, just can realize the object of closing pump door, such pump door can easily be opened and closed, substantially reduce the time used when installing enteral nutrition supply line, well improve the work efficiency of medical personnel.
Moreover, the smart structural design of liquid stopping clamp, when installing described silica gel tube, need liquid stopping clamp to open, the lower edge of the trunk of described liquid stopping clamp is manually hung on described step; When close described pump door, enteral nutrition pump bring into operation work time, trunk pushed by described second column, and finally makes the lower edge of the head of liquid stopping clamp hang on described 3rd column, thus realizes the duty of nutritional solution infusion; When described enteral nutrition pump quits work and opens pump door, described liquid stopping clamp is subject to the downward active force of described second spring and compresses described silica gel tube downwards, thus reaches only liquid effect.
Creeping mechanism design form of the present utility model is also different from prior art, first wildhaber-novikov gear, the second wildhaber-novikov gear and Timing Belt closely cooperate, first wildhaber-novikov gear is less than the second wildhaber-novikov gear, small one and large one circle-arc tooth is supporting installs and uses the transmission enhancing power, thus has driven the rotation of driving shaft very stably; Driving shaft is axially provided with several cam along it, each cam is provided with power sheet, also namely when enteral nutrition pump operation works, single power sheet does seesawing repeatedly, multiple power sheet regards the wave motion from side to opposite side on the whole as, like this, the silica gel tube of enteral nutrition supply line just can be straight accumbency in the housing of enteral nutrition pump, the horizontal wave of creeping mechanism is wriggled and is extruded silica gel tube, thus ensure that the fatigue durability under this enteral nutrition feeding mechanism duty, and improve the degree of accuracy of infusion.In addition, at closedown pump door and enteral nutrition pump does not also bring into operation during work, power sheet also serves the only liquid effect to pipeline, has higher safety and reliability.
The structure of dynamical system of the present utility model is simple; Simple, fast and easy in installation process; By power flexible axle, motor is connected cleverly with driving shaft, motor shock absorption pad by motor fuselage and bearing cap fixing and locking, the vibrations produced when power flexible axle and motor shock absorption pad reduce motor-driven simultaneously and noise; Fixed by the fore shell of hexagon socket head cap screw by bearing cap and enteral nutrition pump, install very convenient.
In a word, enteral nutrition feeding mechanism structure of the present utility model is simple, easy to operate, having higher precision, safety and reliability for during patient's infusion nutrient solution.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation one that enteral nutrition pump of the present utility model is being opened under pump door state;
Accompanying drawing 2 is the sectional view in the A-A direction of accompanying drawing 1;
Accompanying drawing 3 is the sectional view of the B-B direction creeping mechanism of accompanying drawing 1;
Accompanying drawing 4 is the structural representation two that enteral nutrition pump of the present utility model is being opened under pump door state;
Accompanying drawing 5 is the pump door of enteral nutrition pump of the present utility model and the decomposing schematic representation of housing parts;
Accompanying drawing 6 is the dynamical system axonometric drawing of enteral nutrition pump of the present utility model;
Accompanying drawing 7 is that enteral nutrition pump of the present utility model is cutting out the structural representation under pump door state;
Accompanying drawing 8 is the sectional view in the C-C direction of accompanying drawing 7;
Accompanying drawing 9 is the dynamical system of enteral nutrition pump of the present utility model and the structural representation of creeping mechanism.
In above accompanying drawing: 1, housing; 2, creeping mechanism; 3, pressing plate; 4, spanner; 5, pump door; 6, pump door trip; 7, liquid stopping clamp; 8, pressure transducer; 9, baffle plate; 10, locked groove; 11, the first wildhaber-novikov gear; 12, the second wildhaber-novikov gear; 13, Timing Belt; 14, driving shaft; 15, driving shaft; 16, power sheet; 17, cam; 18, the first column; 19, the second column; 20, the 3rd column; 21, motor; 22, motor shock absorption pad; 23, bearing cap; 24, step.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described:
Embodiment: a kind of enteral nutrition feeding mechanism
Shown in accompanying drawing 1 to accompanying drawing 9, a kind of enteral nutrition feeding mechanism is made up of enteral nutrition pump and disposable enteral nutrition supply line, and described disposable enteral nutrition supply line comprises nutritional solution bag, medical PVC tube for transfusion, Murphy tube, silica gel tube, flow regulator, the trapezoidal joint in Rule; Described disposable enteral nutrition supply line be with enteral nutrition pump with the use of; Described enteral nutrition pump comprises dynamical system, pump door 5, creeping mechanism 2 and pressure transducer 8, described dynamical system comprises provides the motor 21 of power, control panel and the driving shaft 14 of the running of this motor 21, described motor 21 can obtain pulse signal and drive driving shaft 14 to rotate, described creeping mechanism 2 to be arranged in described housing 1 and can to carry out wrigglings extruding to described silica gel tube, and it is interior and can carry out pressure detecting to described silica gel tube that described pressure transducer 8 is arranged on described housing 1; Described pump door 5 is located on described housing 1 and also opens downwards, the outside of described pump door 5 is provided with the spanner 4 of a tabular, spanner 4 is fixed with the first column 18, described pump door 5 is provided with a through hole on the position corresponding with described first column 18, and described first column 18 is through through hole; Described first column 18 offers jack, the inner side of described pump door 5 is provided with pump door trip 6, and this pump door trip 6 is a blocks, and one end of blocks is provided with hook-like part, the other end of blocks is plugged in described jack, is provided with the first spring between described pump door trip 6 and described spanner 4; Be provided with locked groove 10 in described housing 1, described hook-like part can coordinate the described pump door 5 locked under closed condition with locked groove 10;
The inner side of described pump door 5 is provided with to match with described creeping mechanism 2 and compresses the pressing plate 3 of described silica gel tube; The inner side of described pump door 5 is also provided with to match with described pressure transducer 8 detects the baffle plate 9 of described silica gel tube pressure; Pressure transducer 8 is for detecting infusion pressure, and when infusion pressure exceedes early warning value, enteral nutrition pump can be reported to the police;
Liquid stopping clamp 7 is provided with in described housing 1, the second spring is provided with between liquid stopping clamp 7 and housing 1, described liquid stopping clamp 7 by afterbody, to side protrude arrange trunk and to opposite side protrude arrange head form, the external diameter of described head is greater than the external diameter of described trunk, the external diameter of trunk is greater than the external diameter of described afterbody, and described housing 1 is fixed with a step 24 on the position of the described trunk of correspondence; The inner side of described pump door 5 is provided with the second column 19 of coordinating with described trunk and the 3rd column 20 with described head fits; When installing described silica gel tube, the lower edge of the trunk of described liquid stopping clamp 7 can manually be hung on described step 24; When closing described pump door 5, described trunk pushed by described second column 19, and finally makes the lower edge of the head of described liquid stopping clamp 7 hang on described 3rd column 20; When described enteral nutrition pump quits work and opens pump door, described liquid stopping clamp 7 is subject to the downward active force of described second spring and compresses described silica gel tube downwards;
When described enteral nutrition pump work, described silica gel tube level is horizontal in described housing 1.
Described creeping mechanism comprises the first wildhaber-novikov gear 11, second wildhaber-novikov gear 12, Timing Belt 13, driving shaft 15, cam 17 and power sheet 16; Described first wildhaber-novikov gear 11 is fixedly supported on described driving shaft 14, described second wildhaber-novikov gear 12 is fixedly supported on described driving shaft 15, first wildhaber-novikov gear 11 to the second wildhaber-novikov gear 12 is little, first wildhaber-novikov gear 11 and the second wildhaber-novikov gear 12 are in transmission connection by described Timing Belt 13, described driving shaft 15 is axially provided with several cam 17 along it, and each cam 17 is provided with power sheet 16.
Described dynamical system also comprises motor shock absorption pad 22 and bearing cap 23, described bearing cap 23 to be located on described driving shaft 14 and to be fixedly connected with housing 1, one end of described motor shock absorption pad 22 is fixedly connected with described motor 21, and the other end of motor shock absorption pad 22 is fixedly connected with described bearing cap 23.
Power flexible axle is also provided with between described motor 21 and described driving shaft 14.
In addition, described housing 1 is provided with guidance panel, display screen, operates this enteral nutrition pump for medical worker.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to this utility model spirit change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (4)
1. an enteral nutrition feeding mechanism, be made up of enteral nutrition pump and disposable enteral nutrition supply line, described disposable enteral nutrition supply line comprises nutritional solution bag, medical PVC tube for transfusion, Murphy tube, silica gel tube, flow regulator, the trapezoidal joint in Rule, described enteral nutrition pump comprises dynamical system, pump door (5), creeping mechanism (2) and pressure transducer (8), described dynamical system comprises the motor (21) providing power, control panel that this motor (21) operates and driving shaft (14), described motor (21) can obtain pulse signal and drive driving shaft (14) to rotate, described creeping mechanism (2) to be arranged in described housing (1) and can to carry out to described silica gel tube wrigglings and extrudes, described pressure transducer (8) to be arranged in described housing (1) and can to carry out pressure detecting to described silica gel tube, it is characterized in that: described pump door (5) is located at described housing (1) and goes up and open downwards, the outside of described pump door (5) is provided with the spanner (4) of a tabular, spanner (4) is fixed with the first column (18), described pump door (5) is provided with a through hole on the position corresponding with described first column (18), described first column (18) is through through hole, described first column (18) offers jack, the inner side of described pump door (5) is provided with pump door trip (6), this pump door trip (6) is a blocks, one end of blocks is provided with hook-like part, the other end of blocks is plugged in described jack, is provided with the first spring between described pump door trip (6) and described spanner (4), be provided with locked groove (10) in described housing (1), described hook-like part can coordinate with the described pump door (5) locked under closed condition with locked groove (10),
The inner side of described pump door (5) is provided with the pressing plate (3) compressing described silica gel tube that to match with described creeping mechanism (2); The inner side of described pump door (5) is also provided with to match with described pressure transducer (8) detects the baffle plate (9) of described silica gel tube pressure;
Liquid stopping clamp (7) is provided with in described housing (1), the second spring is provided with between liquid stopping clamp (7) and housing (1), described liquid stopping clamp (7) by afterbody, to side protrude arrange trunk and to opposite side protrude arrange head form, the external diameter of described head is greater than the external diameter of described trunk, the external diameter of trunk is greater than the external diameter of described afterbody, and described housing (1) is fixed with a step (24) on the position of the described trunk of correspondence; The inner side of described pump door (5) is provided with the second column (19) of coordinating with described trunk and the 3rd column (20) with described head fits; When installing described silica gel tube, the lower edge of the trunk of described liquid stopping clamp (7) can manually be hung on described step (24); When closing described pump door (5), described second column (19) pushes described trunk, and finally makes the lower edge of the head of described liquid stopping clamp (7) hang on described 3rd column (20); When described enteral nutrition pump quits work and opens pump door, described liquid stopping clamp (7) is subject to the downward active force of described second spring and compresses described silica gel tube downwards;
When described enteral nutrition pump work, described silica gel tube level is horizontal in described housing (1).
2. a kind of enteral nutrition feeding mechanism according to claim 1, is characterized in that: described creeping mechanism comprises the first wildhaber-novikov gear (11), the second wildhaber-novikov gear (12), Timing Belt (13), driving shaft (15), cam (17) and power sheet (16); Described first wildhaber-novikov gear (11) is fixedly supported on described driving shaft (14), described second wildhaber-novikov gear (12) is fixedly supported on described driving shaft (15), first wildhaber-novikov gear (11) is less than the second wildhaber-novikov gear (12), first wildhaber-novikov gear (11) and the second wildhaber-novikov gear (12) are in transmission connection by described Timing Belt (13), described driving shaft (15) is axially provided with several cam (17) along it, and each cam (17) is provided with power sheet (16).
3. a kind of enteral nutrition feeding mechanism according to claim 1, it is characterized in that: described dynamical system also comprises motor shock absorption pad (22) and bearing cap (23), described bearing cap (23) is located at described driving shaft (14) and goes up and be fixedly connected with housing (1), one end of described motor shock absorption pad (22) is fixedly connected with described motor (21), and the other end of motor shock absorption pad (22) is fixedly connected with described bearing cap (23).
4. a kind of enteral nutrition feeding mechanism according to claim 3, is characterized in that: be provided with power flexible axle between described motor (21) and described driving shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582974.5U CN204932309U (en) | 2015-08-05 | 2015-08-05 | A kind of enteral nutrition feeding mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582974.5U CN204932309U (en) | 2015-08-05 | 2015-08-05 | A kind of enteral nutrition feeding mechanism |
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| CN204932309U true CN204932309U (en) | 2016-01-06 |
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| CN201520582974.5U Active CN204932309U (en) | 2015-08-05 | 2015-08-05 | A kind of enteral nutrition feeding mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496172A (en) * | 2017-09-19 | 2017-12-22 | 浙江迈帝康医疗器械有限公司 | Nutrition pump and its flow control methods |
| WO2019057054A1 (en) * | 2017-09-19 | 2019-03-28 | 浙江迈帝康医疗器械有限公司 | Liquid switching valve for nutrition pump and nutrition pump |
-
2015
- 2015-08-05 CN CN201520582974.5U patent/CN204932309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496172A (en) * | 2017-09-19 | 2017-12-22 | 浙江迈帝康医疗器械有限公司 | Nutrition pump and its flow control methods |
| WO2019057054A1 (en) * | 2017-09-19 | 2019-03-28 | 浙江迈帝康医疗器械有限公司 | Liquid switching valve for nutrition pump and nutrition pump |
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