CN215652705U - Auxiliary feeder for bedridden old patients - Google Patents

Abstract

The utility model discloses an auxiliary feeder for bedridden elderly patients, which comprises a first needle cylinder with a first injection head, wherein a first piston and a first piston rod are arranged in the first needle cylinder, a hose is also arranged on the first injection head, a movable block is arranged in the first piston, a liquid outlet is arranged on the side wall of the movable block, a movable pipe is arranged in the first piston rod, one end of the movable pipe penetrates through the first piston rod along the axis of the first piston rod and is communicated with the liquid outlet of the movable block, a second needle cylinder is arranged at the other end of the movable pipe, and a second injection head of the second needle cylinder is detachably connected with the movable pipe. When a patient needs to take a large amount of or multiple liquid medicines, the second needle cylinder can be used for conveying new liquid medicines into the movable tube, the liquid medicines entering the movable tube can drive the movable block to extend out of the first piston, so that the new liquid medicines are supplied into the first needle cylinder, the new liquid medicines in the first needle cylinder are quickly supplied, and compared with the traditional mode, the pollution to the liquid medicines in the medicine bottle is reduced.

Description

Auxiliary feeder for bedridden old patients

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an auxiliary feeder for bedridden old patients.

Background

For the patient who needs to lie still in bed due to the inconvenience of movement. Since they are still in bed, it is very difficult for them to eat and take liquid medicines, and they are usually fed with a spoon by medical staff or family members, which causes inconvenience to patients, family members of patients, doctors and medical staff. However, the medical liquid is easily scattered to a sickbed by adopting a spoon feeding mode, most of the existing modes are that a hose is arranged on an injection head of a syringe, then a patient bites the hose, a piston family member of a medical worker pushes a piston rod, and the medical liquid in the syringe is fed to the patient through the hose.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and aims to provide an auxiliary feeder for a bedridden old patient, when the patient needs to take a large amount of or multiple kinds of liquid medicines, a second needle cylinder is arranged to convey new liquid medicines into a movable tube, and the liquid medicines entering the movable tube can drive a movable block to extend out of a first piston, so that the new liquid medicines are supplied into a first needle cylinder, the new liquid medicines in the first needle cylinder are quickly supplied, and the pollution to the liquid medicines in a medicine bottle is reduced compared with the traditional mode.

The utility model is realized by the following technical scheme:

supplementary food feeder of old patient of bed-ridden, including the first cylinder that has first injection head, be equipped with first piston and first piston rod in the first cylinder, still be equipped with the hose on the first injection head, be equipped with the movable block in the first piston, be equipped with the liquid outlet on the movable block lateral wall, be equipped with the movable tube in the first piston rod, the movable tube runs through first piston rod along the axis of first piston rod, and the liquid outlet intercommunication of movable tube one end and movable block is connected with the second cylinder on the other end, the second injection head and the movable tube detachable connection of second cylinder.

When feeding the liquid medicine for the old patient who lies in the bed among the prior art, in order to avoid the liquid medicine unrestrained on the sick bed, adopt the syringe to feed the liquid medicine for the patient usually, but because the capacity of syringe is limited, when need feed a large amount of liquid medicines for the patient or feed the liquid medicine of different grade type when, need medical personnel or family members to utilize the syringe to absorb the liquid medicine in the medicine bottle frequently, but because the in-process of feeding, the oral cavity of patient and the hose contact on the syringe, in order to avoid when absorbing the liquid medicine again, the hose causes the pollution to the liquid medicine in the medicine bottle, when absorbing the liquid medicine in the medicine bottle again usually, still need earlier carry out disinfection treatment to the straw, consequently, patient's the time of eating has prolonged undoubtedly, for this reason, two syringes have been set up to this technical scheme: when a large amount of or multiple kinds of liquid medicines need to be fed to a patient, the first needle cylinder and the second needle cylinder are filled with the liquid medicines, the patient holds the hose, then the first piston rod in the first needle cylinder is pushed, the first piston rod drives the first piston to move in the first needle cylinder, so that the liquid medicines in the first needle cylinder are fed into the oral cavity of the patient through the hose, the liquid medicines are prevented from spilling into a sickbed, when the liquid medicines in the first needle cylinder are fed, the second piston rod is pushed, the second piston rod drives the second piston to convey the liquid medicines stored in the second needle cylinder into a liquid outlet of the movable block through the movable pipe, because the movable block is located in the first piston in an initial state, the end part of the liquid outlet and the second piston are in a sealing state, when the second piston continuously conveys the liquid medicines into the liquid outlet in the movable block, under hydraulic effect, it stretches into outside first piston to promote the movable block, make liquid outlet and first syringe intercommunication, at this moment, stimulate first piston rod and continue to promote the second piston rod simultaneously, first piston is at the in-process that moves back, the liquid medicine that the second piston will be stored in the second syringe is carried to first syringe in, the supply to the liquid medicine in the first syringe has been realized, after the completion is to the supply of liquid medicine in the first syringe, the pulling movable tube, force first piston to retract to first piston rod in, then continue to promote first piston rod, continue to feed the liquid medicine of resupply in the first syringe through the hose and eat to patient's oral cavity.

Because the second injection head on the second needle cylinder arranged in the technical scheme is detachably connected with the movable tube, and the second injection head is not contacted with the oral cavity of a patient in the using process, when a large amount of liquid medicine needs to be repeatedly sucked, the pollution to the liquid medicine in the medicine bottle can be avoided by using the arranged second injection head; simultaneously, after utilizing second cylinder to supply the liquid medicine in first cylinder, in the in-process that continues to feed the patient with the liquid medicine of supply in the first cylinder, can follow the activity pipe with second cylinder and pull down, continue again to remove and absorb new liquid medicine, guaranteed that first cylinder and second cylinder can rational use, reduce patient's eating time.

Further, still be equipped with flexible pipe between movable tube and the movable block, flexible pipe one end and movable tube intercommunication, the other end communicates with the liquid outlet of movable block.

Because when the liquid medicine with in the second cylinder supplies to first cylinder in, the liquid medicine in the second cylinder gets into in the play liquid mouth of movable block, compel to make the movable block stretch into outside first piston under hydraulic effect, in order to avoid the movable block at the in-process pulling movable tube that removes and then move together, the event is provided with flexible pipe between movable pipe and movable block, when the hydraulic pressure that the liquid medicine produced that gets into to the play liquid mouth of movable block promoted the movable block and removes, because flexible pipe is the bellows, it has certain flexible characteristic, make the movable block can stimulate flexible pipe and remove, and can not stimulate piston pipe and then move together.

Further, be equipped with the through-hole that internal diameter and movable block external diameter match on the first piston, the axis of the first piston rod of through-hole runs through first piston, the movable block is located the through-hole, is equipped with the ring channel on the through-hole inner wall, is equipped with the third elastic component in the ring channel, the both sides of movable block still are equipped with the arch that is located the ring channel, and the arch is connected with the third elastic component.

In order to ensure that the liquid medicine in the second needle cylinder can be supplied into the first needle cylinder, the arranged movable block can be retracted into the through hole in the first piston again, so that a third elastic piece and a bulge are arranged, the third elastic piece is a spring, when the third elastic piece is in a non-stretching state, the third elastic piece can pull the bulge on the movable block to retract the movable block into the through hole of the first piston, and the liquid medicine in the first needle cylinder can be forced to flow out from the first injection head in the moving process of the first piston; when the second piston pushes the second piston to move, the liquid medicine entering the movable block can push the movable block to extend out of the first piston, and pulls the third elastic piece to send elastic deformation.

Further, still be equipped with the connecting pipe between first cylinder and the second cylinder, the both ends of connecting pipe all are equipped with the connector, and one of them connector passes through threaded connection with the expansion pipe, and another connector cover is on the second injection head.

In order to conveniently and detachably connect the second injection head with the movable pipe, a connecting pipe is arranged between the second injection head and the movable pipe, wherein two ends of the connecting pipe are respectively provided with a connector, one connector is a threaded pipe and is connected with the inner wall of the movable pipe through an outer nut, one end of the connecting pipe is detachably connected with the movable pipe, the other connector is an elastic rubber pipe and is sleeved on the second injection head, and the other end of the connecting pipe is conveniently detachably connected with the second injection head.

This technical scheme so set up detachable connection with the movable tube with the second injection head, on the one hand is for the second injection head to pull down from the movable tube fast to the second cylinder absorbs new liquid medicine, and on the other hand is less when the liquid medicine volume that the patient needs the feed, only needs first cylinder just can satisfy when patient's use, can pull down the second cylinder from the movable tube, reduces the inconvenience that the second cylinder caused when feeding for the patient.

Furthermore, the two sides of the hose are respectively provided with a biting block, the biting blocks are detachably connected with the hose, and the side walls of the biting blocks are respectively provided with a groove.

Because when feeding the patient, adopt the hose to be connected with patient's oral cavity, in actual use, patient's tooth bites the hose easily, cause the in-process liquid medicine of feed to reveal to the sick bed on from the damaged of hose, for this reason, this technical scheme is in order to prevent that the patient from biting the hose, so all be provided with in the upper and lower both sides of hose and sting the piece, during the use, let patient's upper and lower incisors bite into to stinging the recess of piece, the piece plays certain guard action to the hose is held in the sting of utilizing the setting, avoid patient's tooth to bite into the hose.

Further, be equipped with the fixed plate on the outer wall of hose, be equipped with the locating lever on the fixed plate, be equipped with the constant head tank on the lateral wall of locating lever, sting to be equipped with the blind hole on the terminal surface of holding the piece towards the hose direction, be equipped with the holding tank on the blind hole inner wall, be equipped with second elastic component and location ball in the holding tank, when the locating lever inserts to the blind hole in, the second elastic component can promote the location ball and insert to the constant head tank in.

Because the piece is held for fragile to the stinging that sets up, and need disinfection after using up, for the convenience sting on the hose and holding the piece and dismantle and change, the event has set up fixed plate and locating lever, wherein the fixed plate passes through the mode and is connected with the hose outer wall that bonds, when the piece is held in the installation sting, insert the locating lever in the blind hole of stinging the piece, because the location ball is spherical structure, the locating lever will be impressed the location ball earlier to the holding tank when inserting to the blind hole in, when the constant head tank of locating lever removed to be level with the location ball, under the effect of second elastic component, promote the location ball and insert to the constant head tank in, thereby fix the locating lever in the blind hole of stinging the piece, and then will sting the piece and fix on the locating lever, realized the quick installation to stinging the piece.

Furthermore, the end part of the positioning rod facing to the direction of the clamping block is also provided with strip-shaped openings which are distributed along the axial direction of the positioning rod; the lateral wall of the biting block towards the direction of the first needle cylinder is further provided with an unlocking rod, the outer diameter of the unlocking rod is smaller than the width of the strip-shaped opening, and the unlocking rod can penetrate through the strip-shaped opening to push the positioning ball to retract into the accommodating groove.

And when needs will sting when holding piece and dismantle from the locating lever, the manual unblock pole that promotes, the unblock pole is stinging to hold the piece and remove along the horizontal direction in the piece, and insert to the bar extrusion of locating lever, along with the continuation removal of unblock pole, can promote the location ball compression second elastic component, and retract to in the holding tank, realized the unblock to the locating lever, when stinging when holding piece up-moving, the unblock pole that sets up also can be in the bar mouth removal of locating lever, will sting and hold the piece and take off from the locating lever smoothly.

Further, a cavity is further arranged in the biting block, the unlocking rod penetrates through the cavity, a first elastic piece is further arranged in the cavity, and the first elastic piece is sleeved on the unlocking rod.

In order to avoid the unlocking rod from sliding down from the biting block, a first elastic piece is arranged, the first elastic piece is sleeved on the unlocking rod, the two ends of the first elastic piece are connected with the outer wall of the unlocking rod, and the unlocking rod can be effectively prevented from sliding down from the biting block by the aid of the arranged first elastic piece.

Furthermore, a gasket is arranged in the groove of the biting block.

In order to improve the comfort of the patient during use, a gasket is further arranged in the groove, the gasket is preferably a sponge, and the arranged gasket can play a certain role in protecting the teeth of the patient.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. when a patient needs to take a large amount of or multiple liquid medicines, the arranged second needle cylinder can be used for conveying new liquid medicines into the movable tube, and the liquid medicines entering the movable tube can drive the movable block to extend out of the first piston, so that the new liquid medicines are supplied into the first needle cylinder, the new liquid medicines in the first needle cylinder are quickly supplied, and the pollution to the liquid medicines in the medicine bottle is reduced compared with the traditional mode;

2. when the medicine feeding device is used for feeding medicine to a patient, the hose can be prevented from being bitten by the patient by the aid of the arranged biting block, and meanwhile, the biting block and the hose can be quickly assembled and disassembled by the aid of the arranged positioning rod.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a side view of a locating rod of the present invention.

Reference numbers and corresponding part names in the drawings:

1-hose, 2-first injection head, 3-first syringe, 4-first piston rod, 5-movable tube, 6-first piston, 7-connector, 8-connecting tube, 9-second injection head, 10-second syringe, 11-second piston, 12-second piston rod, 13-holding block, 14-gasket, 15-first elastic piece, 16-unlocking rod, 17-second elastic piece, 18-positioning ball, 19-positioning rod, 20-fixing plate, 21-liquid outlet, 22-third elastic piece, 23-annular groove, 24-protrusion, 26-telescopic tube, 27-movable block and 28-strip-shaped opening.

Detailed Description

In order 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 examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Examples

As shown in fig. 1 to 4, the present invention includes a first syringe 3 having a first injection head 2, a first piston 6 and a first piston rod 4 are disposed in the first syringe 3, a flexible tube 1 is further disposed on the first injection head 2, a movable block 27 is disposed in the first piston 6, a liquid outlet 21 is disposed on a side wall of the movable block 27, a movable tube 5 is disposed in the first piston rod 4, the movable tube 5 penetrates the first piston rod 4 along an axis of the first piston rod 4, one end of the movable tube 5 is communicated with the liquid outlet 21 of the movable block 27, the other end is connected with a second syringe 10, and a second injection head 9 of the second syringe 10 is detachably connected with the movable tube 5.

When feeding the liquid medicine for the old patient who lies in the bed among the prior art, in order to avoid the liquid medicine unrestrained on the sick bed, adopt the syringe to feed the liquid medicine for the patient usually, but because the capacity of syringe is limited, when need feed a large amount of liquid medicines for the patient or feed the liquid medicine of different grade type when, need medical personnel or family members to utilize the syringe to absorb the liquid medicine in the medicine bottle frequently, but because the in-process of feeding, the oral cavity of patient and the hose contact on the syringe, in order to avoid when absorbing the liquid medicine again, the hose causes the pollution to the liquid medicine in the medicine bottle, when absorbing the liquid medicine in the medicine bottle again usually, still need earlier carry out disinfection treatment to the straw, consequently, patient's the time of eating has prolonged undoubtedly, for this reason, two syringes have been set up to this technical scheme: the first syringe 3 and the second syringe 10, the second syringe 10 is provided with the second piston 11 and the second piston rod 12, when a large amount of or multiple kinds of liquid medicine is needed to be fed to the patient, the first syringe 3 and the second syringe 10 are filled with the liquid medicine to let the patient hold the hose 1, then the first piston rod 4 in the first syringe 3 is pushed, the first piston rod 4 drives the first piston 6 to move in the first syringe 3, so that the liquid medicine in the first syringe 3 is fed into the oral cavity of the patient through the hose, the liquid medicine spilling in the sickbed is avoided, when the liquid medicine in the first syringe 3 is fed, the second piston rod 12 is pushed, the second piston rod 12 drives the second piston 11 to convey the liquid medicine stored in the second syringe 10 to the liquid outlet of the movable block 27 through the movable tube 5, because the movable block 27 is located in the first piston 6 in the initial state, the end of the liquid outlet 21 is in a sealing state with the second piston 6, when the second piston continuously carries the liquid medicine to the liquid outlet in the movable block 27, under the effect of hydraulic pressure, promote the movable block 27 and stretch into outside first piston 6, make liquid outlet 21 and first syringe 3 communicate, at this moment, the pulling first piston rod 4 continues to promote second piston rod 21 simultaneously, first piston 6 is at the in-process that moves back, second piston 11 will store the liquid medicine in second syringe 10 and carry to in first syringe 3, the supply of the liquid medicine in first syringe 3 has been realized, after the completion is to the supply of liquid medicine in first syringe 3, pulling movable tube 5, force first piston 6 to retract to in first piston rod 6, then continue to promote first piston rod 4, continue to feed the liquid medicine of resupplying in the first syringe 3 through hose 1 and eat to the patient oral cavity.

Because the second injection head 9 on the second needle cylinder 10 arranged in the technical scheme is detachably connected with the movable tube 5, and the second injection head 9 is not contacted with the oral cavity of a patient in the using process, when a large amount of liquid medicine needs to be repeatedly sucked, the pollution to the liquid medicine in the medicine bottle can be avoided by using the arranged second injection head 9; simultaneously, after utilizing second cylinder 10 to supply the liquid medicine in first cylinder 3, continuing to feed the in-process that eats for the patient with the liquid medicine of first cylinder 3 internal supply, can follow movable tube 5 with second cylinder 3 and pull down, continue again to remove and absorb new liquid medicine, guaranteed that first cylinder 3 and second cylinder 10 can rational use, reduce patient's the time of taking food.

An extension tube 26 is further arranged between the movable tube 5 and the movable block 27, one end of the extension tube 26 is communicated with the movable tube 5, and the other end of the extension tube is communicated with the liquid outlet 21 of the movable block 27.

Because when the liquid medicine in with second cylinder 10 supplies in first cylinder 3, the liquid medicine in second cylinder 10 gets into in the liquid outlet 21 of movable block 27, force movable block 27 to stretch into outside first piston 6 under hydraulic effect, in order to avoid movable block 27 at the in-process pulling movable tube 5 that removes and then move together, so be provided with flexible pipe 26 between movable tube 5 and movable block 27, when the hydraulic pressure that the liquid medicine produced in the liquid outlet that gets into movable block 27 promoted movable block 27 and removed, because flexible pipe 26 is the bellows, it has certain flexible characteristic, make movable block 27 can stimulate flexible pipe 26 and remove, and can not stimulate piston pipe 5 and then move together.

Be equipped with the through-hole that internal diameter and movable block 27 external diameter match on first piston 6, the axis of the first piston rod 4 of through-hole runs through first piston 6, movable block 27 is located the through-hole, is equipped with ring channel 23 on the through-hole inner wall, is equipped with third elastic component 22 in the ring channel 23, movable block 27's both sides still are equipped with the arch 24 that is located ring channel 23, and arch 24 is connected with third elastic component 22.

In order to ensure that the movable block 27 can be retracted into the through hole in the first piston 6 again after the liquid medicine in the second syringe 10 is supplied into the first syringe 3, the third elastic element 22 and the protrusion 24 are provided, the third elastic element 22 is a spring, when the third elastic element 22 is in a non-stretching state, the third elastic element 22 can pull the protrusion 24 on the movable block 27 to retract the movable block 27 into the through hole of the first piston 6, and the liquid medicine in the first syringe 3 can be forced to flow out from the first injection head 2 in the moving process of the first piston 6; when the second piston 12 pushes the second piston 11 to move, the liquid medicine entering the movable block 27 can push the movable block 27 to extend out of the first piston 6, and pull the third elastic member 22 to elastically deform.

Still be equipped with connecting pipe 8 between first syringe 3 and the second syringe 10, the both ends of connecting pipe 8 all are equipped with connector 7, and one of them connector 7 passes through threaded connection with movable tube 5, and another connector 7 cover is on second injection head 9.

In order to facilitate the detachable connection of the second injection head 9 and the movable tube 5, a connecting tube 8 is arranged between the second injection head 9 and the movable tube 5, wherein two ends of the connecting tube 8 are respectively provided with a connector 7, one connector 7 is a threaded tube and is connected with the inner wall of the movable tube 5 through an outer nut, one end of the connecting tube 8 is detachably connected with the movable tube 5, and the other connector 7 is an elastic rubber tube which is sleeved on the second injection head 9, so that the other end of the connecting tube 8 is conveniently detachably connected with the second injection head 9.

This technical scheme so set up detachable connection with movable tube 5 and second injection head 9, be on the one hand for second injection head 9 is pulled down from movable tube 4 fast, so that the second cylinder absorbs new liquid medicine, on the other hand when the liquid medicine volume that the patient needs the feed is less, only need first syringe 3 just can satisfy when patient's use, can pull down the second cylinder from movable tube 5, reduce the inconvenience that causes when the second cylinder feeds for the patient.

The hose comprises a hose 1 and is characterized in that biting blocks 13 are arranged on two sides of the hose 1, the biting blocks 13 are detachably connected with the hose 1, and grooves are formed in the side walls of the biting blocks 13.

Because when feeding the patient, adopt the hose to be connected with patient's oral cavity, in actual use, patient's tooth bites the hose 1 easily, cause the in-process liquid medicine of eating to reveal to the sick bed from the damaged department of hose 1 on, for this reason, this technical scheme is in order to prevent that the patient from biting hose 1, so all be provided with bites piece 13 in the upper and lower both sides of hose 1, during the use, let patient's upper and lower incisors bite into to biting in the recess of piece 13, utilize the piece 13 of biting that sets up to play certain guard action to hose 1, avoid patient's tooth to bite and damage hose 1.

Be equipped with fixed plate 20 on the outer wall of hose 1, be equipped with locating lever 19 on fixed plate 20, be equipped with the constant head tank on the lateral wall of locating lever 19, sting to be equipped with the blind hole on the terminal surface of holding piece 13 towards hose 1 direction, be equipped with the holding tank on the blind hole inner wall, be equipped with second elastic component 17 and location ball 18 in the holding tank, when locating lever 19 inserts to the blind hole in, second elastic component 17 can promote location ball 18 and insert to the constant head tank.

Because the arranged biting block 13 is easy to damage and needs to be disinfected after being used, in order to conveniently detach and replace the biting block 13 on the hose 1, a fixing plate 20 and a positioning rod 19 are arranged, wherein the fixing plate 20 is connected with the outer wall of the hose 1 in an adhesion mode, when the biting block 13 is installed, the positioning rod 19 is inserted into a blind hole of the biting block 13, because the positioning ball 18 is of a spherical structure, the positioning rod 19 firstly presses the positioning ball 18 into an accommodating groove when being inserted into the blind hole, when the positioning groove of the positioning rod 19 moves to be flush with the positioning ball 18, the positioning ball 18 is pushed to be inserted into the positioning groove under the action of the second elastic piece 17, so that the positioning rod 19 is fixed in the blind hole of the biting block 13, and then the biting block 13 is fixed on the positioning rod 19, and the quick installation of the biting block 13 is realized.

The end part of the positioning rod 19 facing the direction of the biting block 13 is also provided with a strip-shaped opening 28, and the strip-shaped openings 28 are distributed along the axial direction of the positioning rod 19; the side wall of the biting block 13 facing the direction of the first syringe 3 is further provided with an unlocking rod 16, the outer diameter of the unlocking rod 16 is smaller than the width of the strip-shaped opening 28, and the unlocking rod 16 can penetrate through the strip-shaped opening 28 to push the positioning ball 18 to retract into the accommodating groove.

When the biting block 13 needs to be detached from the positioning rod 19, the unlocking rod 16 is manually pushed, the unlocking rod 16 moves in the biting block 13 along the horizontal direction and is inserted into the strip-shaped extrusion 28 of the positioning rod 19, the positioning ball 18 can be pushed to compress the second elastic piece 17 along with the continuous movement of the unlocking rod 16 and is retracted into the accommodating groove, the positioning rod 19 is unlocked, and when the biting block 13 moves upwards, the arranged unlocking rod 16 can also move in the strip-shaped opening 28 of the positioning rod 19, so that the biting block 13 can be smoothly detached from the positioning rod 19.

A cavity is further arranged in the biting block 13, the unlocking rod 16 penetrates through the cavity, a first elastic piece 15 is further arranged in the cavity, and the first elastic piece 15 is sleeved on the unlocking rod 16.

In order to prevent the unlocking rod 16 from sliding off the biting block 13 by itself, a first elastic member 15 is provided, the first elastic member is sleeved on the unlocking rod 16, and two ends of the first elastic member are connected with the outer wall of the unlocking rod 16, and the first elastic member 15 can effectively prevent the unlocking rod 16 from sliding off the biting block 13 by itself.

A gasket 14 is also arranged in the groove of the biting block 13.

In order to improve the comfort of the patient during use, a pad 14 is further arranged in the groove, the pad 14 is preferably a sponge, and the arranged pad 14 can play a certain role in protecting the teeth of the patient.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. Supplementary food feeder of old aged patient of lying in bed, including first cylinder (3) that has first injection head (2), be equipped with first piston (6) and first piston rod (4) in first cylinder (3), still be equipped with hose (1) on first injection head (2), its characterized in that, be equipped with movable block (27) in first piston (6), be equipped with liquid outlet (21) on movable block (27) lateral wall, be equipped with movable tube (5) in first piston rod (4), first piston rod (4) are run through along the axis of first piston rod (4) in movable tube (5), and movable tube (5) one end communicates with liquid outlet (21) of movable block (27), is connected with second cylinder (10) on the other end, and second injection head (9) and the detachable connection of second cylinder (10) are managed (5).

2. The auxiliary feeder for the bedridden elderly patients according to claim 1, characterized in that an extension tube (26) is further arranged between the movable tube (5) and the movable block (27), one end of the extension tube (26) is communicated with the movable tube (5), and the other end is communicated with the liquid outlet (21) of the movable block (27).

3. The auxiliary feeder for the bedridden elderly patients according to claim 1, wherein a through hole with an inner diameter matched with the outer diameter of the movable block (27) is formed in the first piston (6), the axis of the first piston rod (4) of the through hole penetrates through the first piston (6), the movable block (27) is located in the through hole, an annular groove (23) is formed in the inner wall of the through hole, a third elastic member (22) is arranged in the annular groove (23), protrusions (24) located in the annular groove (23) are further arranged on two sides of the movable block (27), and the protrusions (24) are connected with the third elastic member (22).

4. The auxiliary feeder for the bedridden elderly patients according to claim 1, wherein a connecting pipe (8) is further arranged between the first syringe (3) and the second syringe (10), two ends of the connecting pipe (8) are respectively provided with a connector (7), one connector (7) is in threaded connection with the movable pipe (5), and the other connector (7) is sleeved on the second injection head (9).

5. The auxiliary feeder for the bedridden elderly patients according to claim 1, wherein the hose (1) is provided with biting blocks (13) at both sides, the biting blocks (13) are detachably connected with the hose (1), and the side walls of the biting blocks (13) are provided with grooves.

6. The auxiliary feeder for the bedridden elderly patients according to claim 5, wherein a fixing plate (20) is arranged on the outer wall of the hose (1), a positioning rod (19) is arranged on the fixing plate (20), a positioning groove is arranged on the side wall of the positioning rod (19), a blind hole is arranged on the end face of the biting block (13) facing the direction of the hose (1), an accommodating groove is arranged on the inner wall of the blind hole, a second elastic part (17) and a positioning ball (18) are arranged in the accommodating groove, and when the positioning rod (19) is inserted into the blind hole, the second elastic part (17) can push the positioning ball (18) to be inserted into the positioning groove.

7. The auxiliary feeder for the bedridden elderly patients according to claim 6, characterized in that the end of the positioning rod (19) facing the direction of the bite block (13) is further provided with a strip-shaped opening (28), and the strip-shaped openings (28) are distributed along the axial direction of the positioning rod (19);

the lateral wall of the biting block (13) towards the direction of the first needle cylinder (3) is further provided with an unlocking rod (16), the outer diameter of the unlocking rod (16) is smaller than the width of the strip-shaped opening (28), and the unlocking rod (16) can penetrate through the strip-shaped opening (28) to push the positioning ball (18) to retract into the accommodating groove.

8. The auxiliary feeder for the bedridden elderly patients according to claim 7, wherein a cavity is further arranged in the biting block (13), the unlocking rod (16) penetrates through the cavity, a first elastic member (15) is further arranged in the cavity, and the first elastic member (15) is sleeved on the unlocking rod (16).

9. The auxiliary feeder for the bedridden elderly patients according to claim 5, characterized in that a gasket (14) is arranged in the groove of the biting block (13).

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