CN213609005U - Wearable portable infusion set - Google Patents
Wearable portable infusion set Download PDFInfo
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- CN213609005U CN213609005U CN202021658301.0U CN202021658301U CN213609005U CN 213609005 U CN213609005 U CN 213609005U CN 202021658301 U CN202021658301 U CN 202021658301U CN 213609005 U CN213609005 U CN 213609005U
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Abstract
The utility model discloses a wearable portable infusion device, which comprises a fixed plate, wherein the bottom of the fixed plate is provided with an arc-shaped groove and a plurality of binding bands, the top of the fixed plate is provided with a liquid storage cylinder, a piston is arranged in the liquid storage cylinder, a needle head is arranged on a liquid guide tube, the other end of the liquid storage cylinder is provided with a piston rod, the piston rod penetrates into the liquid storage cylinder and is connected with the piston, a movable rod is arranged in the piston rod, the end surface of the piston is provided with a containing groove, a plugging block is arranged in the containing; a plurality of liquid inlet holes are formed in the circumferential outer wall of the movable rod, the liquid inlet holes are communicated with the hollow interior of the movable rod, and the liquid inlet holes are close to the blocking blocks; grooves are formed in two sides of the outer wall of the hard pipe, a first elastic piece is arranged in each groove, a limiting ball is arranged on each first elastic piece, limiting grooves are formed in two sides of the inner wall of a blind hole of each plugging block, and channels are formed in two sides of each plugging block; the piston rod driving mechanism further comprises a driving mechanism, a connecting piece is arranged on an output shaft of the driving mechanism, and the connecting piece is detachably connected with the piston rod.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to portable infusion set of wearable.
Background
The transfusion system is used for dropping into the liquid medicine to the human vein, make the liquid medicine directly get into human blood circulation, current transfusion system is owing to need overcome certain pressure and prevent that the air from getting into human blood circulation through the infusion pipeline of transfusion system and causing the air embolism and endanger patient's life safety, consequently need hang the infusion bottle inversion on the transfusion system to a take the altitude, with the level that guarantees the infusion bottle be higher than the level at patient's infusion position, so that make the liquid medicine keep certain pressure, let the air control in the infusion bottle in the top of liquid medicine, on the one hand, prevent air admission human blood circulation, on the other hand, prevent that the internal blood of patient from flowing backwards and entering the transfusion system in, in order to guarantee that the liquid medicine gets into human blood circulation smoothly under the pressure effect, thereby safe effectual. Most of traditional transfusion systems are long-strip cable-shaped, the patient is required to be transfused at a fixed position, the device is inconvenient to move, go to a toilet and the like, meanwhile, the device is used for carrying out treatment transfusion on the patient in the process of pre-hospital first aid, due to the lack of a support frame for hanging a transfusion bottle, generally, medical staff utilize the height of the device, the device can carry out transfusion in a manner of lifting the transfusion bag, the device is very convenient in a short time, but the device is too large in labor intensity, the arm of the nursing staff is easy to ache for a long time, and when the device is needed to carry out rapid and large-amount transfusion outdoors, the device can not meet the pressure difference required by large-flow transfusion in a manner of lifting the. Meanwhile, in the process of transferring patients in pre-hospital emergency, the emergency ambulance jolts rapidly, the infusion apparatus shakes violently, the infusion of liquid is not facilitated, and potential safety hazards also exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome not enough among the prior art, aim at provides a portable infusion set of wearable, makes things convenient for the patient to carry and infuse the use at the arm to make things convenient for the patient to make things convenient for the convenient activity of in-process at the infusion, when the treatment of infusing in the open air simultaneously, can stabilize for the patient provides the required power of infusion, guarantee that the liquid medicine can stabilize the efficient and carry to the patient internal.
The utility model discloses a following technical scheme realizes:
a wearable portable infusion device comprises a fixing plate, wherein an arc-shaped groove and a plurality of binding belts are arranged at the bottom of the fixing plate, a liquid storage cylinder is arranged at the top of the fixing plate, a piston is arranged in the liquid storage cylinder, a hard tube is arranged at one end of the liquid storage cylinder, one end of the hard tube penetrates into the liquid storage cylinder, a liquid guide tube is arranged at the other end of the hard tube, a needle head is arranged on the liquid guide tube, a piston rod is arranged at the other end of the liquid storage cylinder, the piston rod penetrates into the liquid storage cylinder and is connected with the piston, a movable rod is arranged; an accommodating groove is formed in the end face, facing the direction of the hard pipe, of the piston, a plugging block is arranged in the accommodating groove and connected with the movable rod, and a blind hole matched with the blind hole of the hard pipe is formed in the end face, facing the direction of the hard pipe, of the plugging block; the movable rod is of a hollow structure with openings at two ends, a plurality of liquid inlet holes are formed in the circumferential outer wall of the movable rod, the liquid inlet holes are communicated with the hollow interior of the movable rod, and the liquid inlet holes are close to the blocking blocks; grooves are formed in two sides of the outer wall of the hard pipe, a first elastic piece is arranged in each groove, a limiting ball is arranged on each first elastic piece, limiting grooves are formed in two sides of the inner wall of the blind hole of each blocking block, when the hard pipe is blocked by the blocking blocks, the limiting balls can be embedded into the limiting grooves by the first elastic pieces, channels are formed in two sides of each blocking block, and the channels are respectively communicated with the inner bottoms of the limiting grooves; the liquid storage device is characterized by further comprising a driving mechanism arranged at the top of the liquid storage cylinder, wherein a connecting piece is arranged on an output shaft of the driving mechanism, and the connecting piece is detachably connected with the piston rod.
Aiming at the problems that most of the transfusion devices in the prior art need to be matched with a transfusion frame for use, namely, when a patient is transfused, the transfusion bottle needs to be hung on the transfusion frame, so that the moving range of the patient is limited, when the patient needs to go to a toilet and move, the patient needs to hold the transfusion frame together or lift the transfusion bottle with hands, the patient is inconvenient, and the situation of blood backflow easily occurs in the moving process, meanwhile, when the patient is transfused outdoors, the arm pain of medical staff is easily caused for a long time due to the lack of the transfusion frame and the common need of lifting the medical staff by hands, and when the medicine needs to be greatly and quickly delivered into the patient, the medicine is effectively and quickly delivered into the patient by adopting a weight transfusion mode, therefore, the technical scheme is provided with the fixing plate for being bound on the arm of the patient, when in use, the arm of a patient is placed in the arc-shaped groove of the fixing plate, the fixing plate is fixed on the arm of the patient by using the arranged bridle, so that the liquid storage cylinder filled with liquid medicine is stably fixed on the arm of the patient, then the needle head is punctured in the venous blood vessel of the patient, finally the arranged driving mechanism is used for driving the piston rod to move towards the direction of the hard tube in the liquid storage cylinder, when the movable rod moves in the liquid storage cylinder, the piston is pushed to move together, so that the liquid medicine filled in the liquid storage cylinder enters the venous blood vessel of the patient from the hard tube, the process of transfusion for the patient is realized, when the technical scheme is used, the device can be used only by fixing the device on the limb of the patient, the mode of transfusion through gravity is not required to be considered, compared with the traditional transfusion device, the device is convenient for the patient to move in the transfusion process, meanwhile, when, the problem of looking for replacing the infusion support is saved, the situation that the infusion support is not needed to operate medical care personnel to lift the infusion bottle for a long time is avoided, in addition, the driving mechanism is adopted as a power source in the technical scheme, on one hand, the medicine can be stably conveyed to the patient, the situation that the blood flows back is avoided, on the other hand, the efficiency of conveying the medicine to the patient can be improved by adjusting the driving mechanism, and the infusion support is suitable for rapidly conveying the medicine to the patient under the special condition.
The fixed plate of the technical scheme is also provided with a switch, a storage battery, a controller and a speed regulation key, wherein the switch, the storage battery and the speed regulation key are used for controlling the driving mechanism to work, the controller is connected with the driving mechanism, the switch, the storage battery and the speed regulation key, the driving mechanism can be controlled to be turned on and turned off by the aid of the set switch, and the running speed of the driving mechanism can be controlled by the aid of the set speed regulation key, so that the input speed of the medicine is adjusted.
In order to facilitate timely adding of liquid medicine in the liquid storage cylinder, the movable rod with a hollow structure is arranged in the piston rod, when the liquid medicine adding device is used, a medicine is sucked into the existing large-capacity needle cylinder by using the existing large-capacity syringe, then a needle head of the syringe is inserted into the movable rod, because when the liquid medicine is added, a piston in the liquid storage cylinder moves to a position close to a hard tube, at the moment, the piston rod needs to be driven to move back by using the driving mechanism, the piston rod and the movable rod move relatively in the process of driving the piston to move back, so that the piston at the position of the movable rod extends into the liquid storage cylinder, a liquid inlet hole in the movable rod is communicated with the liquid storage cylinder, then the syringe is used for conveying new liquid medicine into the movable rod, the liquid medicine enters the liquid storage cylinder through the liquid inlet hole in the movable rod, and the addition of the liquid medicine in the liquid storage cylinder is realized, however, in order to ensure that negative pressure is generated in the liquid storage cylinder in the process of moving back the piston, which causes blood backflow in a venous blood vessel of a patient, a plugging block is arranged on the movable rod, when the piston is used, the movable rod is moved, the plugging block on the movable rod is moved to be in butt joint with the hard tube, so that the hard tube is positioned in the blind hole of the plugging block, the hard tube is plugged by the arranged plugging block, in order to improve the plugging effect on the hard tube, a sealing ring matched with the hard tube can be arranged in the blind hole, so that the sealing effect of the plugging block on the hard tube is improved, meanwhile, when the plugging block is in butt joint with the hard tube, the limiting ball positioned on the hard tube can be pressed into the limiting position of the plugging block inwards under the action of the first elastic piece, so that stable connection between the limiting ball and the hard tube is realized, and the piston is prevented from moving back or being caused by human factors, the movable rod is caused to move back, thereby causing the separation between the plugging block and the hard tube and further causing the backflow of blood, and therefore, a limit ball and a limit groove are arranged, is used for ensuring the stable connection between the hard tube and the blocking block, when the liquid medicine in the syringe is completely conveyed into the liquid storage cylinder through the movable rod, the piston rod is pushed forwards for a short distance, because the hard tube is in a blocking state, the pressure in the liquid storage cylinder is increased instantly in the moving process of the piston, so that the liquid medicine in the liquid storage cylinder extrudes the limiting ball through the channel to force the limiting ball to compress the first elastic piece, and finally the limiting ball retracts into the groove of the hard tube, thereby realizing quick unlocking, leading the movable rod to pull the plugging block to move back and open the hard pipe, thereby enabling the drive mechanism to support the drive piston in delivering the medicament stored in the reservoir through the rigid tube into the patient's venous blood vessel.
Further, still be equipped with first mounting groove in the holding tank of piston, the shutoff piece all is equipped with first mounting groove towards on the terminal surface of piston, be equipped with the second elastic component between piston and the shutoff piece, the both ends of second elastic component are located first mounting groove and second mounting groove respectively.
Thereby increase when the pressure in the liquid storage cylinder forces spacing ball to retract in the recess, can separate fast with the hard pipe in order to guarantee the shutoff piece, the event has set up the second elastic component, second elastic component and first elastic component are the spring, when in the holding tank of shutoff piece displacement piston, the second elastic component at this moment is in the natural state, not compressed, when the shutoff piece is being connected with the hard pipe, when piston and shutoff piece are separated, the second elastic component at this moment is in by tensile state, the event after realizing the unblock between shutoff piece and the hard pipe, under the effect of second elastic component, can stimulate the hard pipe and move back fast, thereby realize opening fast with the hard pipe.
Furthermore, a plurality of liquid discharge holes are further formed in the circumferential outer wall of the hard tube, and the liquid discharge holes are close to the liquid storage barrel.
In order to improve the discharge dynamics to the liquid medicine of storing in the liquid storage cylinder, the event has set up a plurality of outage on the hard pipe, when guaranteeing the piston motion to the maximum displacement department of stroke, the medicine in the liquid storage cylinder can effectively discharge through the outage, when the shutoff piece is connected with the hard pipe, can seal the outage in order to guarantee the shutoff piece, can set up seal gasket at the terminal surface of shutoff piece, make seal gasket sticis with the inner wall of liquid storage cylinder, thereby improve the sealed effect between shutoff piece and the hard pipe.
Further, the movable rod is located the outer end of liquid storage barrel and still is equipped with the connecting cylinder, the connecting cylinder passes through the screw thread and is connected with the movable rod, still be equipped with the rubber buffer in the connecting cylinder.
The connecting cylinder that sets up passes through the screw thread and is connected with the movable rod, be convenient for follow the connecting cylinder and trade, make things convenient for used repeatedly, the rubber buffer that sets up in the connecting cylinder is used for sealing up the movable rod, when needs add the liquid medicine in to the liquid storage cylinder, utilize the large capacity syringe to inhale the medicine to the syringe, then pierce the syringe needle of syringe in to the rubber buffer in the connecting cylinder, utilize the syringe to inject the liquid medicine to the movable rod in, finally get into to the liquid storage cylinder in, the event utilize the rubber buffer that sets up be convenient for and be connected with the syringe needle of syringe, avoid carrying the liquid medicine in the syringe to take place to leak in the movable rod in, need explain very much, cavity capacity in the movable rod of setting is less, when adding new liquid medicine, even last partly liquid medicine is located the movable rod, because its capacity is less, so the influence that causes is less.
Further, the inner diameter of the blind hole gradually increases towards the direction of the hard tube.
In order to guarantee that the blocking block carries out the in-process that docks with the hard tube, the spacing ball of setting can get into to the blind hole of blocking block smoothly to set the blind hole to the circular cone structure, make when the blocking block with the hard tube butt joint, under the effect on blind hole inclined plane, can guarantee that spacing ball gets into to the blind hole smoothly, and then get into to spacing inslot, realize fixing the blocking block.
Furthermore, a gasket is arranged on the inner wall of the arc-shaped groove.
The use comfort of the patient can be improved by the arranged gasket.
Furthermore, the connecting piece comprises a first connecting rod, an adjusting rod and a second connecting rod, one end of the first connecting rod is vertically connected with the output shaft, the other end of the first connecting rod is in threaded connection with the adjusting rod, one end of the second connecting rod is vertically connected with the piston rod, and the other end of the second connecting rod is in threaded connection with the adjusting rod.
The connecting piece is arranged for connecting an output shaft of the driving mechanism with the piston rod, synchronous motion between the output shaft and the piston rod or respective single motion can be realized by utilizing the connecting piece, even if the piston rod can be manually pushed to move in use, the mode that the driving mechanism drives the piston rod to move can be selected, and the specific adjusting method is that when the piston rod needs to be manually pushed, the adjusting rod is selected, so that the adjusting rod moves towards the direction of the first connecting rod, one end of the adjusting rod extends into the first connecting rod, and the other end of the adjusting rod extends out of the second connecting rod, so that the disconnection state between the piston rod and the output shaft is realized; when the driving mechanism is needed to drive the piston rod to move, the first connecting rod and the second connecting rod are aligned, the adjusting rod is rotated, and the adjusting rod is newly inserted into the second connecting rod, so that the synchronous movement between the output shaft and the piston rod is quickly realized.
Further, an exhaust pipe with a rectangular cross section is further arranged between the hard pipe and the liquid guide pipe, one end of the exhaust pipe is communicated with the hard pipe, the other end of the exhaust pipe is connected with the liquid guide pipe, a baffle is arranged on the exhaust pipe, the baffle is vertically inserted into the exhaust pipe and can block the exhaust pipe, an exhaust passage is further arranged in the baffle, one end of the exhaust passage is communicated with the top of the baffle, and the other end of the exhaust passage is communicated with the side wall of the baffle, facing the direction of the hard pipe, of the baffle. Bosses are arranged on two sides of the baffle and positioned on the outer side of the exhaust pipe, and a third elastic piece is arranged between each boss and the outer wall of the exhaust pipe; still be equipped with the constant head tank that matches with the baffle on the inner wall of blast pipe, the baffle can insert to the constant head tank in.
The technical scheme is that when new liquid medicine is added into a liquid storage cylinder, air enters the liquid storage cylinder and is not convenient to discharge, a liquid discharge pipe is arranged, when air enters the liquid storage cylinder, a patient is provided with the liquid storage cylinder in a vertical upward state, so that the air in the liquid storage cylinder is positioned at the uppermost part of the liquid storage cylinder, then a baffle is pressed downwards, the baffle is inserted into a positioning groove of the air discharge pipe, one end of an air discharge passage on the baffle is communicated with a rigid pipe at the moment, the other end of the air discharge passage is communicated with the outside, a liquid guide pipe is blocked, a piston rod is pushed, the piston pushes the medicine in the liquid storage cylinder to move together with the air, because the air is positioned above the liquid medicine, the air enters the rigid pipe at the most, finally the air is discharged through the baffle on the air discharge pipe, the aim of discharging the air is achieved, when the liquid medicine is discharged from the, under the effect of third elastic component, force baffle outwards to remove for the exhaust passage on the baffle is located outside the blast pipe, and the medicine in the liquid storage cylinder gets into hard pipe, blast pipe, catheter in proper order like this, imports to the patient in vivo.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a wearable portable infusion set, utilize the fixed plate that sets up to bind on patient's arm, can move around when making things convenient for patient's infusion, utilize the actuating mechanism that sets up to drive the piston rod to move simultaneously, the piston on the piston rod is in the course of moving, imports the medicine stored in the liquid storage cylinder to patient's vein department through the hard pipe, thus has realized carrying on the stable infusion to the patient under the state that does not need to lift the infusion belt high, compare with existing regulator regulation drip speed, the speed is more accurate, controllable;
2. the utility model relates to a wearable portable infusion set, utilize the movable rod that sets up to increase the liquid medicine in can the liquid storage cylinder fast, in order to avoid patient's blood to take place the backward flow when increasing the liquid medicine simultaneously, so set up the shutoff piece, utilize spacing ball and spacing groove can be stable fix hard pipe and shutoff piece, when needing the unblock simultaneously, the piston is moved, increase the pressure in the liquid storage cylinder, force the liquid medicine to extrude spacing ball through the passageway on the shutoff piece, and then make spacing ball compress first elastic component and retract to in the recess, realize the quick unblock between hard pipe and the shutoff piece;
3. the utility model relates to a wearable portable infusion set utilizes the mode that the connecting piece that sets up can adjust this device, and the mode that both can rotatory workman's manual promotion piston rod removed promptly injects the liquid medicine to the patient internal, can utilize actuating mechanism drive piston rod synchronous motion's mode again simultaneously, and it is internal to carry the medicine to the patient stably.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in another state;
FIG. 3 is an enlarged schematic view of part A of the present invention;
FIG. 4 is an enlarged view of the part B of the present invention;
FIG. 5 is an enlarged schematic view of the section C of the present invention;
fig. 6 is a side view of the fixing plate of the present invention;
fig. 7 is a schematic structural view of the connecting member of the present invention;
fig. 8 is a schematic structural view of the connecting cylinder of the present invention;
fig. 9 is a schematic structural view of the exhaust pipe of the present invention;
fig. 10 is a schematic structural view of the exhaust pipe according to another state of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a belt, 2-a fixed plate, 3-a piston, 4-a connecting cylinder, 5-a connecting piece, 6-an output shaft, 7-a piston rod, 8-a movable rod, 9-a driving mechanism, 10-a liquid storage cylinder, 11-a liquid guide pipe, 12-a rigid pipe, 13-a first elastic piece, 14-a needle head, 15-a second elastic piece, 16-a gasket, 17-a liquid inlet hole, 18-a channel, 19-a blind hole, 20-a limiting groove, 21-a blocking block, 22-a limiting ball, 23-a liquid outlet hole, 24-a rubber plug, 25-a first connecting rod, 26-an adjusting rod, 27-a second connecting rod, 28-an exhaust pipe, 29-a positioning groove, 30-a baffle, 31-a boss and 32-an exhaust pipe, 33-third elastic member.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1 to 10, the wearable portable infusion device of the present invention comprises a fixing plate 2, wherein the bottom of the fixing plate 2 is provided with an arc-shaped groove and a plurality of straps 1, the top of the fixing plate 2 is provided with a liquid storage cylinder 10, a piston 3 is arranged in the liquid storage cylinder 10, one end of the liquid storage cylinder 10 is provided with a rigid tube 12, one end of the rigid tube 12 penetrates into the liquid storage cylinder 10, the other end of the rigid tube is provided with a liquid guide tube 11, the liquid guide tube 11 is provided with a needle 14, the other end of the liquid storage cylinder 10 is provided with a piston rod 7, the piston rod 7 penetrates into the liquid storage cylinder 10 and is connected with the piston 3, a movable rod 8 is arranged in the piston rod; an accommodating groove is formed in the end face, facing the direction of the hard pipe 12, of the piston 3, a plugging block 21 is arranged in the accommodating groove, the plugging block 21 is connected with the movable rod 8, and a blind hole 19 matched with the blind hole 19 of the hard pipe 12 is formed in the end face, facing the direction of the hard pipe 12, of the plugging block 21; the movable rod 7 is of a hollow structure with openings at two ends, a plurality of liquid inlet holes 17 are formed in the outer wall of the circumference of the movable rod 7, the liquid inlet holes 17 are communicated with the hollow interior of the movable rod 7, and the liquid inlet holes 17 are close to the blocking blocks 21; grooves are formed in two sides of the outer wall of the hard pipe 12, a first elastic part 13 is arranged in each groove, a limiting ball 22 is arranged on each first elastic part 13, limiting grooves 20 are formed in two sides of the inner wall of a blind hole 19 of each sealing block 21, when the hard pipe 12 is sealed by the sealing blocks 21, the limiting balls 22 can be embedded into the limiting grooves 20 by the first elastic parts 13, channels 18 are formed in two sides of each sealing block 21, and the channels 18 are communicated with the inner bottoms of the limiting grooves 20 respectively; the liquid storage device is characterized by further comprising a driving mechanism 9 arranged at the top of the liquid storage cylinder 10, a connecting piece 5 is arranged on an output shaft 6 of the driving mechanism 9, and the connecting piece 5 is detachably connected with the piston rod 7.
Example 2
On the basis of embodiment 1, still be equipped with first mounting groove in the holding tank of piston 3, the shutoff piece 21 all is equipped with first mounting groove towards on the terminal surface of piston 3, be equipped with second elastic component 15 between piston 3 and the shutoff piece 21, the both ends of second elastic component 15 are located first mounting groove and second mounting groove respectively.
Example 3
On the basis of the embodiment 1, a plurality of liquid discharge holes 23 are further formed in the circumferential outer wall of the rigid tube 12, and the liquid discharge holes 23 are close to the liquid storage cylinder 10.
Example 4
On embodiment 1's basis, movable rod 8 still is equipped with connecting cylinder 4 on being located the outer end of liquid storage cylinder 10, connecting cylinder 4 is connected with movable rod 8 through the screw thread, still be equipped with rubber buffer 24 in the connecting cylinder 4.
Example 5
In example 1, the inner diameter of the blind hole 19 gradually increases toward the hard tube 12.
Example 6
On the basis of the embodiment 1, a gasket 16 is further arranged on the inner wall of the arc-shaped groove.
Example 7
On the basis of embodiment 1, the connecting member 5 includes a first connecting rod 25, an adjusting rod 26 and a second connecting rod 27, one end of the first connecting rod 25 is vertically connected with the output shaft 6, the other end of the first connecting rod is in threaded connection with the adjusting rod 26, one end of the second connecting rod 27 is vertically connected with the piston rod 7, and the other end of the second connecting rod is in threaded connection with the adjusting rod 26.
Example 8
On the basis of embodiment 1, an exhaust pipe 28 with a rectangular cross section is further arranged between the rigid pipe 12 and the liquid guide tube 11, one end of the exhaust pipe 28 is communicated with the rigid pipe 12, the other end of the exhaust pipe 28 is connected with the liquid guide tube 11, a baffle 30 is arranged on the exhaust pipe 28, the baffle 30 is vertically inserted into the exhaust pipe 28, the baffle 30 can block the exhaust pipe 28, an exhaust passage 32 is further arranged in the baffle 30, one end of the exhaust passage 32 is communicated with the top of the baffle 30, and the other end of the exhaust passage is communicated with the side wall of the baffle 30 facing the direction of the rigid pipe 12.
Example 9
On the basis of embodiment 8, bosses 31 are provided on both sides of the baffle 30, the bosses 31 are located outside the exhaust pipe 28, and a third elastic member 33 is provided between the bosses 31 and the outer wall of the exhaust pipe 28; the inner wall of the exhaust pipe 28 is further provided with a positioning groove 29 matched with the baffle 30, and the baffle 30 can be inserted into the positioning groove 29
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The wearable portable infusion device is characterized by comprising a fixing plate (2), wherein an arc-shaped groove and a plurality of straps (1) are arranged at the bottom of the fixing plate (2), a liquid storage cylinder (10) is arranged at the top of the fixing plate (2), a piston (3) is arranged in the liquid storage cylinder (10), a hard tube (12) is arranged at one end of the liquid storage cylinder (10), one end of the hard tube (12) penetrates into the liquid storage cylinder (10), a liquid guide tube (11) is arranged at the other end of the hard tube, a needle head (14) is arranged on the liquid guide tube (11), a piston rod (7) is arranged at the other end of the liquid storage cylinder (10), the piston rod (7) penetrates into the liquid storage cylinder (10) and is connected with the piston (3), a movable rod (8) is arranged in the piston rod (7), and the movable rod (8;
an accommodating groove is formed in the end face, facing the direction of the hard pipe (12), of the piston (3), a plugging block (21) is arranged in the accommodating groove, the plugging block (21) is connected with the movable rod (8), and a blind hole (19) matched with the blind hole (19) of the hard pipe (12) is formed in the end face, facing the direction of the hard pipe (12), of the plugging block (21);
the movable rod (8) is of a hollow structure with openings at two ends, a plurality of liquid inlet holes (17) are formed in the circumferential outer wall of the movable rod (8), the liquid inlet holes (17) are communicated with the hollow interior of the movable rod (8), and the liquid inlet holes (17) are close to the blocking blocks (21);
grooves are formed in two sides of the outer wall of the hard pipe (12), a first elastic part (13) is arranged in each groove, a limiting ball (22) is arranged on each first elastic part (13), limiting grooves (20) are formed in two sides of the inner wall of a blind hole (19) of each plugging block (21), when the hard pipe (12) is plugged by the plugging blocks (21), the limiting balls (22) can be embedded into the limiting grooves (20) through the first elastic parts (13), channels (18) are formed in two sides of each plugging block (21), and the channels (18) are respectively communicated with the inner bottoms of the limiting grooves (20);
the liquid storage device is characterized by further comprising a driving mechanism (9) arranged at the top of the liquid storage cylinder (10), wherein a connecting piece (5) is arranged on an output shaft (6) of the driving mechanism (9), and the connecting piece (5) is detachably connected with the piston rod (7).
2. A wearable portable infusion device according to claim 1, characterized in that the accommodation groove of the piston (3) is provided with a first installation groove, the end surface of the block piece (21) facing the piston (3) is provided with a first installation groove, a second elastic member (15) is arranged between the piston (3) and the block piece (21), and two ends of the second elastic member (15) are respectively located in the first installation groove and the second installation groove.
3. The wearable portable infusion device according to claim 1, wherein the rigid tube (12) further comprises drainage holes (23) on the outer circumferential wall, and the drainage holes (23) are located adjacent to the reservoir (10).
4. The wearable portable infusion device according to claim 1, wherein the movable rod (8) is further provided with a connecting cylinder (4) at the end outside the liquid storage cylinder (10), the connecting cylinder (4) is connected with the movable rod (8) through a thread, and a rubber plug (24) is further arranged in the connecting cylinder (4).
5. The wearable portable infusion device according to claim 1, wherein the blind holes (19) have an inner diameter that gradually increases toward the rigid tube (12).
6. The wearable portable infusion device according to claim 1, wherein the inner wall of the arcuate slot is further provided with a gasket (16).
7. The wearable portable infusion device according to claim 1, wherein the connector (5) comprises a first connecting rod (25), an adjusting rod (26) and a second connecting rod (27), wherein the first connecting rod (25) is vertically connected with the output shaft (6) at one end and is threadedly connected with the adjusting rod (26) at the other end, and the second connecting rod (27) is vertically connected with the piston rod (7) at one end and is threadedly connected with the adjusting rod (26) at the other end.
8. The wearable portable infusion device according to claim 1, wherein an exhaust pipe (28) with a rectangular cross section is further disposed between the rigid pipe (12) and the liquid guide tube (11), one end of the exhaust pipe (28) is communicated with the rigid pipe (12), the other end of the exhaust pipe is connected with the liquid guide tube (11), a baffle (30) is disposed on the exhaust pipe (28), the baffle (30) is vertically inserted into the exhaust pipe (28), the exhaust pipe (28) can be blocked by the baffle (30), an exhaust passage (32) is further disposed in the baffle (30), one end of the exhaust passage (32) is communicated with the top of the baffle (30), and the other end of the exhaust passage is communicated with a side wall of the baffle (30) facing the rigid pipe (12).
9. The wearable portable infusion device according to claim 8, wherein the baffle (30) is provided with bosses (31) on both sides, the bosses (31) are located on the outer side of the exhaust tube (28), and third elastic members (33) are arranged between the bosses (31) and the outer wall of the exhaust tube (28); still be equipped with on the inner wall of blast pipe (28) with baffle (30) matching constant head tank (29), baffle (30) can insert in constant head tank (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658301.0U CN213609005U (en) | 2020-08-11 | 2020-08-11 | Wearable portable infusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856019A (en) * | 2021-09-30 | 2021-12-31 | 四川轻化工大学 | Maintenance structure of special biological micrite structure that can fill |
| CN114522294A (en) * | 2022-03-09 | 2022-05-24 | 上海市东方医院（同济大学附属东方医院） | Multifunctional infusion sleeve capable of being remotely measured |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856019A (en) * | 2021-09-30 | 2021-12-31 | 四川轻化工大学 | Maintenance structure of special biological micrite structure that can fill |
| CN114522294A (en) * | 2022-03-09 | 2022-05-24 | 上海市东方医院（同济大学附属东方医院） | Multifunctional infusion sleeve capable of being remotely measured |
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