CN211611087U - Infusion pump body falling detection device and infusion pump - Google Patents
Infusion pump body falling detection device and infusion pump Download PDFInfo
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- CN211611087U CN211611087U CN202020133171.2U CN202020133171U CN211611087U CN 211611087 U CN211611087 U CN 211611087U CN 202020133171 U CN202020133171 U CN 202020133171U CN 211611087 U CN211611087 U CN 211611087U
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Abstract
The utility model discloses an infusion pump body detection device and transfer pump that drops, wherein, the infusion pump body detection device that drops includes power supply, main control unit, detection circuitry and host computer, main control unit's power input end is connected with power supply, detection circuitry includes first resistance, the second resistance, the third resistance, the fourth resistance, first triode, first MOS pipe, first detection signal line and first detection terminal, host computer and main control unit signal connection, the host computer is used for sending alarm signal when detection circuitry detects first detection signal line and pump body disconnection. The utility model provides an infusion pump body detection device that drops can in time detect and feed back to the host computer when the pump body of transfer pump drops to send the alarm signal of system's trouble, whole testing process time is short, and the risk is low, has avoided leading to the fact medical accident because of the transfer pump infusion is inaccurate.
Description
Technical Field
The utility model relates to an transfer pump technical field especially relates to an infusion pump body detection device and transfer pump that drops.
Background
The infusion pump is an instrument which can accurately control the number of infusion drops or the flow rate of infusion, ensure the medicine to be uniform in speed, and ensure the medicine to be accurate and safe to enter the body of a patient to play a role. The infusion pump can improve the efficiency and the flexibility of clinical administration operation and reduce the nursing workload. Infusion pumps are typically mechanical or electronic control devices that act on the infusion tubing for the purpose of controlling the rate of infusion. Infusion pumps are often used in situations where strict control of the volume and amount of infusion is required, such as when applying pressure boosting drugs, antiarrhythmic drugs, intravenous infusion or intravenous anesthesia to infants and young children.
The existing infusion pump generally checks each component one by one after finding that the infusion is inaccurate or the infusion precision is not enough so as to check whether the pump body falls off or not. The indirect detection mode has the advantages of complex processing process, long processing time and higher risk, and when inaccurate infusion or insufficient infusion precision occurs in the infusion process of a patient, if the infusion is stopped in time due to the fact that the pump body is not detected to fall off, the risk of generating medical accidents can exist.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide an infusion pump body detection device that drops aims at in time detecting the phenomenon that drops of the infusion pump body to avoid causing medical negligence because of the transfer pump infusion is inaccurate.
In order to achieve the above object, the utility model provides an infusion pump body detection device that drops, the infusion pump body detection device that drops includes:
a power supply;
the power supply input end of the main controller is connected with the power supply;
the detection circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first triode, a first MOS tube, a first detection signal wire and a first detection terminal, wherein the first end of the first resistor is connected with a CON pin of the main controller, the second end of the first resistor, the base of the first triode and the first end of the second resistor are connected with each other, the second end of the second resistor is grounded and connected with the emitter of the first triode, the collector of the first triode, the second end of the third resistor and the grid of the first MOS tube are connected with each other, the first end of the third resistor and the source of the first MOS tube are connected with the power output end of the power supply, the drain of the first MOS tube, the first end of the fourth resistor and the first end of the first detection signal wire are connected with each other, and the second end of the first detection signal wire is connected with the first detection terminal, the first detection terminal is grounded, and the second end of the fourth resistor is grounded;
the upper computer is in signal connection with the main controller and is used for sending an alarm signal when the detection circuit detects that the first detection signal line is disconnected from the pump body.
In one embodiment, the detection circuit further includes a fifth resistor, a sixth resistor, a second detection signal line, a second detection terminal, a third detection signal line, and a third detection terminal;
the drain electrode of the first MOS transistor, the first end of the fifth resistor and the first end of the second detection signal line are connected with each other, the second end of the second detection signal line is connected with the second detection terminal, the second detection terminal is grounded, and the second end of the fifth resistor is grounded;
the drain electrode of the first MOS transistor, the first end of the sixth resistor, and the first end of the third detection signal line are connected to each other, the second end of the third detection signal line is connected to the third detection terminal, the third detection terminal is grounded, and the second end of the sixth resistor is grounded;
the upper computer is further used for sending out an alarm signal when the detection circuit detects that the second detection signal line and/or the third detection signal line is disconnected with the pump body.
In an embodiment, a second end of the first detection signal line is connected to a connection terminal, and the connection terminal is used for connecting the second detection signal line and the third detection signal line.
In an embodiment, the detection circuit further includes a first capacitor, a first end of the first capacitor, a source of the first MOS transistor, and a power output end of the power supply are connected to each other, and a second end of the first capacitor is grounded.
In order to achieve the above object, the utility model discloses still provide an infusion pump, the infusion pump includes:
a housing assembly formed with a mounting cavity;
the pump body assembly is movably arranged in the mounting cavity and is provided with a first limiting part; and
the infusion pump body falling detection device is the infusion pump body falling detection device, the first detection terminal is installed at the first limiting part, and the first detection terminal is connected with the first detection signal line. This transfer pump body detection device that drops includes:
a power supply;
the power supply input end of the main controller is connected with the power supply;
the detection circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first triode, a first MOS tube, a first detection signal wire and a first detection terminal, wherein the first end of the first resistor is connected with a CON pin of the main controller, the second end of the first resistor, the base of the first triode and the first end of the second resistor are connected with each other, the second end of the second resistor is grounded and connected with the emitter of the first triode, the collector of the first triode, the second end of the third resistor and the grid of the first MOS tube are connected with each other, the first end of the third resistor and the source of the first MOS tube are connected with the power output end of the power supply, the drain of the first MOS tube, the first end of the fourth resistor and the first end of the first detection signal wire are connected with each other, and the second end of the first detection signal wire is connected with the first detection terminal, the first detection terminal is grounded, and the second end of the fourth resistor is grounded;
the upper computer is in signal connection with the main controller and is used for sending an alarm signal when the detection circuit detects that the first detection signal line is disconnected from the pump body.
In an embodiment, the housing assembly includes a front housing, the front housing is provided with a first limiting shaft corresponding to a first limiting portion of the pump assembly, the first limiting portion is a first insertion hole, and the first limiting shaft penetrates through the first insertion hole and locks the first detection terminal through a locking member.
In an embodiment, the pump body assembly is further provided with a second limiting portion, the second limiting portion is a second jack, a second detection terminal is mounted at the second limiting portion, a second limiting shaft is arranged at a position, corresponding to the second jack, of the front shell, and the second limiting shaft penetrates through the second jack and locks the second detection terminal through a locking piece.
In an embodiment, a clamping groove is formed in one side, corresponding to the locking member, of the pump body assembly, a third detection terminal is installed in the clamping groove, the third detection terminal is abutted and fixed with the locking member through an elastic member, and the pump body assembly can move axially.
In an embodiment, a first guide shaft is further disposed on one side of the front shell close to the pump body assembly, a third insertion hole is disposed on the pump body assembly corresponding to the first guide shaft, and the first guide shaft is inserted into the third insertion hole so that the pump body assembly slides into the mounting cavity of the front shell.
In one embodiment, the elastic member is a spring;
the retaining member includes sheet metal component and fastening screw, the both sides of sheet metal component correspond first spacing portion with the spacing position of second all is provided with the through-hole, first spacing axle with the spacing axle of second is kept away from the one end of preceding shell seted up with the screw hole of fastening screw looks adaptation, fastening screw passes through-hole and screw in extremely the screw hole is in order to incite somebody to action first detection terminal with the second detection terminal is fixed by locking respectively.
The technical scheme of the utility model, because this transfer pump body detection device that drops's main control unit gives the detection circuitry high level that its CON pin is connected, first triode switches on, first MOS pipe switches on, first detected signal line, second detected signal line or third detected signal line last high level, for normally not triggering alarm state this moment, when first detected signal line, one or many in the second detected signal line or the third detected signal line take place to drop when unusual (when the pump body drops promptly), its corresponding signal voltage will change, become 0V by high level, main control unit can receive unusual voltage variation and feed back to the host computer, the host computer sends the warning suggestion of system's trouble, avoided causing medical accident because of the infusion is inaccurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of a system structure of an embodiment of the infusion pump body drop detection device of the present invention;
FIG. 2 is a diagram of a detection circuit according to an embodiment of the pump body falling-off detection device for an infusion pump of the present invention;
fig. 3 is a schematic structural view of an embodiment of the infusion set of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The infusion pump is an instrument which can accurately control the number of infusion drops or the flow rate of infusion, ensure the medicine to be uniform in speed, and ensure the medicine to be accurate and safe to enter the body of a patient to play a role. The infusion pump can improve the efficiency and the flexibility of clinical administration operation and reduce the nursing workload. Infusion pumps are typically mechanical or electronic control devices that act on the infusion tubing for the purpose of controlling the rate of infusion. Infusion pumps are often used in situations where strict control of the volume and amount of infusion is required, such as when applying pressure boosting drugs, antiarrhythmic drugs, intravenous infusion or intravenous anesthesia to infants and young children.
The existing infusion pump generally checks each component one by one after finding that the infusion is inaccurate or the infusion precision is not enough so as to check whether the pump body falls off or not. The indirect detection mode has the advantages of complex processing process, long processing time and higher risk, and when inaccurate infusion or insufficient infusion precision occurs in the infusion process of a patient, if the infusion is stopped in time due to the fact that the pump body is not detected to fall off, the risk of generating medical accidents can exist.
For the risk that reduces the emergence medical malpractice, the utility model provides an infusion pump body detection device that drops.
Referring to fig. 1 to 3, in an embodiment of the present invention, the infusion pump body drop detection device includes a power supply 100, a main controller 200, a detection circuit 300 and an upper computer 400. The power input terminal of the main controller 200 is connected to the power supply 100. The detection circuit 300 includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first transistor Q1, a first MOS transistor T1, a first detection signal line PTS1 (collectively: PUMP TEST STATE), and a first detection terminal 40, a first end of the first resistor R1 is connected to a CON pin (PUMP TEST CON) of the main controller 200, a second end of the first resistor R1, a base of the first transistor Q1 and a first end of the second resistor R2 are connected to each other, a second end of the second resistor R2 is grounded and connected to an emitter of the first transistor Q1, a collector of the first transistor Q1, a second end of the third resistor R3, a gate of the first MOS transistor T1 are connected to each other, a first end of the third resistor R3, a source of the first MOS transistor T1 and a power output terminal of the power supply 100, a drain of the first MOS transistor T5, a drain of the first resistor R4, a first end of the first resistor R57323 and a first detection terminal 40 are connected to each other, a second end of the first detection signal line PTS1 is connected to the first detection terminal 40, the first detection terminal 40 is grounded (i.e., connected to the pump body), and a second end of the fourth resistor R4 is grounded. The upper computer 400 is in signal connection with the main controller 200, and the upper computer 400 is used for sending out an alarm signal when the detection circuit 300 detects that the first detection signal line PTS1 is disconnected from the pump body.
In order to detect the states of multiple mounting portions of the PUMP body and detect the operating states thereof more fully, in the present embodiment, the detection circuit 300 further includes a fifth resistor R5, a sixth resistor R6, a second detection signal line PTS2 (full name: PUMP test start 2), a second detection terminal 50, a third detection signal line PTS3 (full name: PUMP TEST STATE 3) and a third detection terminal 60;
the drain of the first MOS transistor T1, the first end of the fifth resistor R5 and the first end of the second detection signal line PTS2 are connected to each other, the second end of the second detection signal line PTS2 is connected to the second detection terminal 50, the second detection terminal 50 is grounded (i.e., connected to the pump body), and the second end of the fifth resistor R5 is grounded;
the drain of the first MOS transistor T1, the first end of the sixth resistor R6, and the first end of the third detection signal line PTS3 are connected to each other, the second end of the third detection signal line PTS3 is connected to the third detection terminal 60, the third detection terminal 60 is grounded (i.e., connected to the pump body), and the second end of the sixth resistor R6 is grounded.
The upper computer 400 is further configured to send an alarm signal when the detection circuit 300 detects that the second detection signal line PTS2 and/or the third detection signal line PTS3 is disconnected from the pump body.
The principle is that the main controller 200 gives a high level to the detection circuit 300 connected to the CON pin, the first triode Q1 is turned on, the first MOS transistor T1 is turned on, and the first detection signal line PTS1, the second detection signal line PTS2 and the third detection signal line PTS3 continue to be at a high level, at this time, the alarm state is normal and not triggered, when one or more of the first detection signal line PTS1, the second detection signal line PTS2 or the third detection signal line PTS3 is dropped abnormally (i.e., the pump body is dropped), the corresponding signal voltage changes and changes from a high level to 0V, the main controller 200 receives the abnormal voltage change and feeds back the abnormal voltage change to the upper computer 400, and the upper computer 400 sends an alarm prompt of system failure, thereby avoiding medical accidents caused by inaccurate infusion of the infusion pump.
It should be noted that, in this embodiment, the type of the first transistor Q1 may be 2N3904, the type of the first MOS transistor T1 may be SI2301, the resistance of the first resistor R1 may be 1K, the resistance of the second resistor R2 may be 10K, the resistance of the third resistor R3 may be 47K, and the resistances of the fourth resistor R4, the fifth resistor R5, and the sixth resistor R6 may be 10K. The main controller 200 gives the high level of its CON pin, the working voltage given by the power supply 100 to the source of the first MOS transistor T1 is 3.3V, and three detection lines: the first detection signal line PTS1, the second detection signal line PTS2, and the third detection signal line PTS3 are at a high level of 3.3V in a normal state, and when the detection terminal connected thereto comes off the pump body, the voltage thereof becomes 0V.
In one embodiment, in order to better connect the detection signal lines and the detection terminals thereof, the second end of the first detection signal line PTS1 is connected to a connection terminal Header 3, and the connection terminal Header 3 is a 3pin for connecting the second detection signal line PTS2 and the third detection signal line PTS 3. Thus, the installation efficiency is greatly improved.
It should be noted that in some application scenarios, it may be necessary to connect more detecting signal lines and detecting terminals thereof to detect the state of the pump body more accurately, and the circuit connection structure thereof is similar to the first detecting signal line PTS1, the second detecting signal line PTS2 and the third detecting signal line PTS 3. Here, the number of detection signal lines and detection terminals thereof is not limited.
In an embodiment, the detection circuit 300 further includes a first capacitor C1, a first end of the first capacitor C1 and a source of the first MOS transistor T1 are connected to the power output terminal of the power supply 100, and a second end of the first capacitor C1 is grounded. In this embodiment, a capacitor having a capacitance of 0.1 μ F can be used. It can be understood that the characteristic of the capacitor alternating current blocking is used here to filter high frequencies, so that the whole circuit is more stable.
The utility model also provides an infusion pump, this infusion pump include casing unit 10, pump body subassembly 20 and the infusion pump body detection device that drops, and this infusion pump body detection device that drops's concrete structure refers to above-mentioned embodiment, because the utility model provides an infusion pump includes all schemes of above-mentioned infusion pump body detection device that drops's all embodiments, consequently, has at least and the same technological effect of the infusion pump body detection device that drops, and a explanation differs here.
Wherein, casing subassembly 10 is formed with the installation cavity, and pump body subassembly 20 movably installs in the installation cavity, and pump body subassembly 20 is equipped with first spacing portion, and first detection terminal 40 is installed in first spacing portion department to first detection terminal 40 is connected with first detection signal line PTS 1.
In this embodiment, the housing assembly 10 includes a front housing, the front housing is provided with a first limiting shaft 11 corresponding to a first limiting portion of the pump body assembly 20, the first limiting portion is a first insertion hole 21, and the first limiting shaft 11 passes through the first insertion hole 21 and locks the first detecting terminal 40 through the locking member 30.
In addition, the pump body assembly 20 is further provided with a second limiting portion, the second limiting portion is a second insertion hole 22, a second detection terminal 50 is installed at the second limiting portion, a second limiting shaft 12 is arranged at a position, corresponding to the second insertion hole 22, of the front shell, and the second limiting shaft 12 penetrates through the second insertion hole 22 and locks the second detection terminal 50 through a locking piece 30.
Further, one side of the pump body assembly 20 corresponding to the locking member 30 is provided with a clamping groove 23, a third detection terminal 60 is installed in the clamping groove 23, the third detection terminal 60 is abutted and fixed with the locking member 30 through an elastic member 33, and the pump body assembly 20 can move along the axial direction of the third detection terminal.
It should be noted that the first detection terminal 40 connected to the first detection signal line PTS1, the second detection terminal 50 connected to the second detection signal line PTS2, and the third detection terminal 60 connected to the third detection signal line PTS3 are mounted on the pump body assembly 20, and are equivalent to being grounded in a normal state, so that a closed loop of the detection circuit 300 is formed, and when the pump body of the pump body assembly 20 falls off, one or more of the detection terminals are disconnected, and the voltage thereof changes.
It can be understood that, because the infusion pump is provided with the above-mentioned infusion pump body drop detection device, the main controller 200 of the detection circuit 300 gives the detection circuit 300 connected to its CON pin a high level, the first triode Q1 is turned on, the first MOS transistor T1 is turned on, the first detection signal line PTS1, the second detection signal line PTS2 or the third detection signal line PTS3 continue the high level, at this time, the alarm state is normal and not triggered, when one or more of the first detection signal line PTS1, the second detection signal line PTS2 or the third detection signal line PTS3 drops abnormally, the corresponding signal voltage changes, and changes from the high level to 0V, the main controller 200 receives the abnormal voltage change and feeds back the abnormal voltage change to the upper computer 400, the upper computer 400 sends an alarm prompt of system fault, thereby avoiding medical accidents caused by inaccurate infusion pump.
In order to improve the installation efficiency of the pump body assembly 20, in an embodiment, a first guide shaft 13 is further disposed on a side of the front housing close to the pump body assembly 20, a third insertion hole (not shown) is disposed in the pump body assembly 20 corresponding to the first guide shaft 13, and the first guide shaft 13 is inserted into the third insertion hole to slide the pump body assembly 20 into the installation cavity of the front housing.
In addition, the pump body is usually required to reciprocate when the infusion pump is in operation. In some embodiments, the elastic member 33 may be a spring to allow the pump body assembly 20 to move axially toward the housing assembly 10 during infusion. Of course, the elastic member 33 such as elastic silicone rubber may be used here without limitation.
Retaining member 30 can adopt the combination of sheet metal component 31 and fastening screw 32, and the both sides of sheet metal component 31 correspond first spacing portion and the spacing position of second and all are provided with the through-hole, and the screw hole with fastening screw 32 looks adaptation is seted up to the one end that the preceding shell was kept away from to first spacing axle 11 and the spacing axle 12 of second, and fastening screw 32 passes the through-hole and screws in to the screw hole in order to lock first detection terminal 40 and second detection terminal 50 respectively fixedly.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an infusion pump body detection device that drops which characterized in that, infusion pump body detection device that drops includes:
a power supply;
the power supply input end of the main controller is connected with the power supply;
the detection circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first triode, a first MOS tube, a first detection signal wire and a first detection terminal, wherein the first end of the first resistor is connected with a CON pin of the main controller, the second end of the first resistor, the base of the first triode and the first end of the second resistor are connected with each other, the second end of the second resistor is grounded and connected with the emitter of the first triode, the collector of the first triode, the second end of the third resistor and the grid of the first MOS tube are connected with each other, the first end of the third resistor and the source of the first MOS tube are connected with the power output end of the power supply, the drain of the first MOS tube, the first end of the fourth resistor and the first end of the first detection signal wire are connected with each other, and the second end of the first detection signal wire is connected with the first detection terminal, the first detection terminal is grounded, and the second end of the fourth resistor is grounded;
the upper computer is in signal connection with the main controller and is used for sending an alarm signal when the detection circuit detects that the first detection signal line is disconnected from the pump body.
2. The infusion pump body dropout detection apparatus according to claim 1, wherein said detection circuit further comprises a fifth resistor, a sixth resistor, a second detection signal line, a second detection terminal, a third detection signal line, and a third detection terminal;
the drain electrode of the first MOS transistor, the first end of the fifth resistor and the first end of the second detection signal line are connected with each other, the second end of the second detection signal line is connected with the second detection terminal, the second detection terminal is grounded, and the second end of the fifth resistor is grounded;
the drain electrode of the first MOS transistor, the first end of the sixth resistor, and the first end of the third detection signal line are connected to each other, the second end of the third detection signal line is connected to the third detection terminal, the third detection terminal is grounded, and the second end of the sixth resistor is grounded;
the upper computer is further used for sending out an alarm signal when the detection circuit detects that the second detection signal line and/or the third detection signal line is disconnected with the pump body.
3. The infusion pump body falling detection device according to claim 2, wherein a connection terminal is connected to a second end of the first detection signal line, and the connection terminal is used for connecting the second detection signal line and the third detection signal line.
4. The infusion pump body falling detection device according to claim 1, wherein the detection circuit further comprises a first capacitor, a first end of the first capacitor, a source of the first MOS transistor and a power output end of the power supply are connected to each other, and a second end of the first capacitor is grounded.
5. An infusion pump, characterized in that the infusion pump comprises:
a housing assembly formed with a mounting cavity;
the pump body assembly is movably arranged in the mounting cavity and is provided with a first limiting part; and
an infusion pump dropout detection apparatus according to any one of claims 1 to 4;
the first detection terminal is mounted at the first position-limiting portion, and the first detection terminal is connected with the first detection signal line.
6. The infusion pump according to claim 5, wherein the casing assembly comprises a front casing, the front casing is provided with a first limiting shaft corresponding to a first limiting portion of the pump body assembly, the first limiting portion is a first insertion hole, and the first limiting shaft penetrates through the first insertion hole and locks the first detection terminal through a locking member.
7. The infusion pump according to claim 6, wherein the pump body assembly further comprises a second limiting portion, the second limiting portion is a second insertion hole, a second detection terminal is mounted at the second limiting portion, a second limiting shaft is disposed at a position of the front casing corresponding to the second insertion hole, and the second limiting shaft penetrates through the second insertion hole and locks the second detection terminal through a locking member.
8. The infusion pump according to claim 7, wherein a slot is formed on the pump body assembly at a side corresponding to the locking member, a third detection terminal is mounted in the slot, and the third detection terminal is fixed to the locking member by abutting against an elastic member, so that the pump body assembly can move in the axial direction.
9. The infusion pump according to claim 8, wherein a first guide shaft is further disposed on a side of the front case close to the pump body assembly, the pump body assembly is provided with a third insertion hole corresponding to the first guide shaft, and the first guide shaft is inserted into the third insertion hole to slide the pump body assembly into the mounting cavity of the front case.
10. The infusion pump of claim 9, wherein said resilient member is a spring;
the retaining member includes sheet metal component and fastening screw, the both sides of sheet metal component correspond first spacing portion with the spacing position of second all is provided with the through-hole, first spacing axle with the spacing axle of second is kept away from the one end of preceding shell seted up with the screw hole of fastening screw looks adaptation, fastening screw passes through-hole and screw in extremely the screw hole is in order to incite somebody to action first detection terminal with the second detection terminal is fixed by locking respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133171.2U CN211611087U (en) | 2020-01-20 | 2020-01-20 | Infusion pump body falling detection device and infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133171.2U CN211611087U (en) | 2020-01-20 | 2020-01-20 | Infusion pump body falling detection device and infusion pump |
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| CN211611087U true CN211611087U (en) | 2020-10-02 |
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| CN202020133171.2U Active CN211611087U (en) | 2020-01-20 | 2020-01-20 | Infusion pump body falling detection device and infusion pump |
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