CN213219255U

CN213219255U - Children nursing medicine feeder for chest and heart surgery

Info

Publication number: CN213219255U
Application number: CN202020538202.2U
Authority: CN
Inventors: 蒋方莉; 冯瑞玲; 蒋腾飞
Original assignee: Henan Childrens Hospital Zhengzhou Childrens Hospital
Current assignee: Henan Childrens Hospital Zhengzhou Childrens Hospital
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-05-18
Anticipated expiration: 2030-04-13

Abstract

The children nursing medicine feeder for the chest-heart surgery comprises a medicine cylinder, wherein the front end of the medicine cylinder is detachably connected with a front cover, the inner side of the rear end of the medicine cylinder is connected with a piston in a sliding manner, the rear side of the piston is fixedly connected with a push rod, the front end of the medicine cylinder is connected with a ball valve, the front end of the ball valve is connected with a hose, the children nursing medicine feeder also comprises a holding handle, the top of the holding handle is fixedly connected with a placing seat, the front side of the top of the placing seat is provided with an installation; the front end of the hose is fixedly connected with a patch, and the front end of the patch is communicated with a mouthpiece made of silica gel; the rear side of the top of the placing seat is provided with a screw block, the top of the screw block is provided with an inserting sleeve, and the inserting sleeve is detachably connected with the mounting piece; the left side and the right side of the front part of the top end of the placing seat are both provided with swing rods capable of swinging left and right, and the inner sides of the tops of the swing rods are both provided with clappers. The utility model discloses the children patient who has solved present chest heart surgery effectively feed medicine inefficiency, children do not cooperate, have the psychological problem of contradicting when eating the medicine.

Description

Children nursing medicine feeder for chest and heart surgery

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to thoracic heart surgery nurses medicine feed ware with children.

Background

Thoracic surgery is a surgery that primarily treats thoracic diseases, including: 1. lung cancer, esophageal cancer and other tumor-related diseases, and also for treating mediastinal tumors. 2. Thoracic surgery also treats thoracic wounds such as traumatic pneumothorax, hemothorax, contusion and laceration of the lungs, fracture of ribs, etc., and also injuries of the heart. 3. Thoracic surgery also treats thoracic deformities such as chicken breasts, funnel breasts, and the like. 4. Thoracic surgery also treats heart diseases, most commonly valvular rheumatic diseases, and also diseases of the large vessels of the heart, such as congenital heart disease, aortic aneurysm or dissecting aneurysm, which are all treated in thoracic surgery.

For pediatric patients in thoracic and cardiac surgery, swallowing capacity has not yet developed, and therefore, patients are treated with liquid medicines. When feeding medicine, generally put liquid medicine in the ladle to feed infant, but the medicine feed efficiency of a spoon is lower, and especially under the circumstances of feeding the medicine volume great, it is just comparatively difficult to feed medicine with ordinary ladle. In addition, the efficiency of feeding is extremely low due to the peculiar taste of the liquid medicine and the natural resistance of the infant patient to taking the medicine. Not only needs a spoon to feed medicine repeatedly, but also needs to care the sick children to ensure that the sick children take medicine in a lambkin matching way.

Because the children patient has the low efficiency of feeding medicine when taking medicine, children do not cooperate and have conflict psychology, greatly influenced thoracic surgery infant's recovered speed, it is very unfavorable when taking medicine to the patient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chest heart surgery is with children's nursing medicine feed ware to the not enough of prior art, solved present chest heart surgery's children patient effectively feed medicine inefficiency, children not cooperate, have the psychological problem of contradicting when eating medicine.

In order to solve the above problems, the utility model adopts the following technical proposal:

the children nursing medicine feeder for the chest-heart surgery comprises a medicine cylinder, wherein the front end of the medicine cylinder is detachably connected with a front cover, the inner side of the rear end of the medicine cylinder is slidably connected with a piston, the rear side of the piston is fixedly connected with a push rod, the rear side of the push rod is fixedly connected with an installation piece, the front end of the medicine cylinder is connected with a ball valve, the front end of the ball valve is connected with a hose, the children nursing medicine feeder also comprises a holding handle, the top of the holding handle is fixedly connected with a placing seat, the front side of the top of the placing seat is provided with an installation clamp with an;

the front end of the hose is fixedly connected with a patch, the front end of the patch is communicated with a mouthpiece made of silica gel, and the left side and the right side of the patch are fixedly connected with binding bands;

the rear side of the top of the placing seat is provided with a screw block capable of moving back and forth, the top of the screw block is provided with an inserting sleeve, and the inserting sleeve is detachably connected with the mounting piece; swing rods capable of swinging left and right are arranged on the left and right sides of the front part of the top end of the placing seat, and clappers are arranged on the inner sides of the tops of the swing rods; a pressing handle capable of moving back and forth is arranged on the front side of the holding handle, and the pressing handle moves back and forth to form a structure that the screw block moves forward; the front side of the holding handle is provided with a push handle capable of moving up and down, and the push handle moves up and down in a reciprocating manner to form a structure that the swing rod swings in a reciprocating manner from side to side.

Preferably, the tail ends of the two binding bands are respectively provided with a hair side magic tape and a thorn side magic tape; the bottom of the patch is provided with a hanging hole, and a cotton absorbent towel is arranged in the hanging hole; an annular retaining ring is arranged on the outer circumference of the rear part of the medicine cylinder and is positioned on the rear side of the mounting clamp; the mounting piece is waist-shaped, a through groove which is communicated from left to right is formed in the upper side of the plug bush, and the mounting piece is positioned in the through groove; the front cover is in threaded connection with the front side of the medicine cylinder.

Preferably, the upper part of the rear side of the placing seat is rotatably connected with a screw rod, the screw rod is in threaded connection with the screw block, the right side of the screw block is slidably connected with a guide rod, the guide rod is fixedly connected to the top of the placing seat, and the rear end of the screw rod is coaxially and fixedly connected with a rotating wheel.

Preferably, the left side of the rear part of the placing seat is hinged with a protective cover capable of swinging left and right, the bottom of the outer side of the movable end of the protective cover is rotatably connected with a hook capable of rotating front and back, a hanging column is arranged on the upper part of the right side of the placing seat, and the hook and the hanging column are matched to form a structure for fixing the position of the placing seat and the position of the protective cover.

Preferably, the front end of the screw is connected with a reversing shaft through an upper bevel gear set, the reversing shaft is rotatably connected with the placing seat, the bottom end of the reversing shaft is connected with a one-way shaft through a lower bevel gear set, the one-way shaft is coaxially and fixedly connected with a one-way wheel, and the one-way shaft is rotatably connected to the inner side of the holding handle;

a connecting rod capable of swinging back and forth is hinged to the non-circle center position of the end face of the one-way wheel, a sliding rod is hinged to the front end of the connecting rod, the sliding rod is connected with the holding handle in a sliding mode, and the front end of the sliding rod penetrates through the holding handle and is fixedly connected with the pressing handle; the rear side of the sliding rod is provided with a baffle plate, and the front side of the sliding rod is sleeved with a return spring.

Preferably, the one-way wheel comprises an inner disc fixedly connected with the one-way shaft, an outer disc is rotatably connected to the outer side of the inner disc, and the connecting rod is hinged to the non-circle center position of the end face of the outer disc;

the inner side of the outer disc is provided with inner ratchets, the outer side of the inner disc is rotatably connected with a plurality of pawls through rotating shafts and torsion springs, and the pawls are meshed with the ratchets; the end face of the inner disc is fixedly connected with a protection disc.

Preferably, the swing rods are respectively hinged to the left part and the right part of the front side of the placing seat, the bottoms of the swing rods are hinged with transfer rods capable of swinging left and right, and the tail ends of the two transfer rods are both inclined upwards and hinged with driving rods;

the utility model discloses a handle, including grip handle, actuating lever, sliding sleeve, actuating lever bottom, push away handle fixed connection, the actuating lever middle part is provided with the dog, the cover is equipped with the homing spring on the actuating lever between dog and sliding sleeve.

The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:

1. this device is through connecting cartridge case with placing seat detachable, can make this device more convenient when using, washs more easily, adds medicine also more swiftly, has improved the use convenience of this device.

2. This device not only can improve the stability in use of this device through setting up paster and bandage: the mouthpiece is not easy to be separated from the mouth of the child, and the patch can also prevent the liquid medicine from overflowing from the mouth side.

3. This device is through setting up the plug bush, through pressing repeatedly the handle realizes dosing in succession, not only can control the speed of dosing better, is difficult for chocking and coughs, has improved the efficiency of medicine feed moreover.

4. The device can lead the swing rod to swing in a left-right reciprocating way by repeatedly pushing the push handle in use, lead the two clappers to beat repeatedly and make a sound, effectively attract the attention of the sick children, improve the medicine feeding speed and increase the matching degree of patients.

Drawings

Fig. 1 is a first axis mapping diagram of a first state of the child care medicine feeder for thoracic and heart surgery of the present invention.

Fig. 2 is a second shaft mapping diagram of the first state of the child care medicine feeder for the thoracic and cardiac surgery of the utility model.

Fig. 3 is a third axis mapping of the first state of the child care medicine feeder for thoracic and heart surgery of the present invention.

Fig. 4 is an axonometric view of the second state of the child care medicine feeder for thoracic and heart surgery of the present invention.

Fig. 5 is an isometric view of the cartridge and its connecting parts of the child care medicine feeder for thoracic and heart surgery of the present invention.

Fig. 6 is an axonometric view of the grip handle and the placing seat of the children nursing medicine feeder for thoracic and heart surgery of the utility model.

Fig. 7 is a partially cut-away axonometric view of the grip and the placing seat of the children nursing medicine feeder for thoracic and heart surgery of the utility model.

Fig. 8 is an exploded view of the one-way wheel of the child care medicine feeder for thoracic and heart surgery of the present invention.

Fig. 9 is a partially cut-away axonometric view of a placing seat of a child care medicine feeder for thoracic and heart surgery of the utility model.

In the drawings: 1-holding handle, 2-placing seat, 3-mounting clamp, 4-protective cover, 5-cartridge, 6-front cover, 7-ball valve, 8-hose, 9-patch, 10-mouthpiece, 11-bandage, 12-swing rod, 13-clapper, 14-pressing handle, 15-pushing handle, 16-hook, 17-hanging column, 18-pushing rod, 19-mounting piece, 20-plug bush, 21-screw block, 22-guide rod, 23-screw rod, 24-rotating wheel, 25-water absorption towel, 26-baffle ring, 27-upper cone gear set, 28-reversing shaft, 29-lower cone gear set, 30-one-way wheel, 31-connecting rod, 32-sliding rod, 33-reset spring, 34-baffle plate, 35-outer disk, 35-front cover, 6-ball valve, 3-soft tube, 9-patch, 10-mouthpiece, 11-bandage, 12-swing rod, 13-clapper, 14, 36-inner disc, 37-inner ratchet, 38-pawl, 39-protective disc, 40-driving rod, 41-sliding sleeve, 42-homing spring and 43-middle rotating rod.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-9, the utility model provides a children nursing medicine feeder for thoracic and heart surgery, which comprises a medicine cartridge 5, wherein the front end of the medicine cartridge 5 is detachably connected with a front cover 6, the inner side of the rear end of the medicine cartridge 5 is slidably connected with a piston, the rear side of the piston is fixedly connected with a push rod 18, the rear side of the push rod 18 is fixedly connected with a mounting piece 19, the front end of the medicine cartridge 5 is connected with a ball valve 7, the front end of the ball valve 7 is connected with a hose 8, the children nursing medicine feeder also comprises a holding handle 1, the top of the holding handle 1 is fixedly connected with a placing seat 2, the front side of the top of the placing seat 2 is provided with a mounting clamp 3 with;

the front end of the hose 8 is fixedly connected with a patch 9, the front end of the patch 9 is communicated with a mouthpiece 10 made of silica gel, and the left side and the right side of the patch 9 are fixedly connected with binding bands 11;

a screw block 21 capable of moving back and forth is arranged on the rear side of the top of the placing seat 2, an inserting sleeve 20 is arranged on the top of the screw block 21, and the inserting sleeve 20 is detachably connected with the mounting piece 19; the left side and the right side of the front part of the top end of the placing seat 2 are both provided with swing rods 12 capable of swinging left and right, and the inner sides of the tops of the swing rods 12 are both provided with clappers 13; a pressing handle 14 capable of moving back and forth is arranged on the front side of the holding handle 1, and the pressing handle 14 moves back and forth to form a structure that the screw block 21 moves forward; a push handle 15 capable of moving up and down is arranged on the front side of the holding handle 1, and the push handle 15 moves up and down in a reciprocating manner to form a structure that the swing rod 12 swings left and right in a reciprocating manner.

This device is through connecting cartridge case 5 with placing 2 detachable of seat, can make this device more convenient when using, washs more easily, adds the medicine and also swiftly, has improved the use convenience of this device.

This device not only can improve the stability in use of this device through setting up paster 9 and bandage 11: the mouthpiece 10 is not easily removed from the mouth of the child, and the patch 9 prevents the liquid medicine from overflowing from the mouth side.

The device realizes continuous drug delivery by repeatedly pressing the pressing handle 14 through the arrangement of the plug bush 20, not only can better control the drug delivery speed and prevent choking and cough, but also improves the drug delivery efficiency.

When the device is used, the push handle 15 is repeatedly pushed, so that the swing rod 12 can swing left and right in a reciprocating manner, the two clappers 13 can be repeatedly clapped to make a sound, the attention of a child patient is effectively attracted, the medicine feeding speed is improved, and the matching degree of a patient is increased.

As shown in fig. 5, the tail ends of the two binding bands 11 are respectively provided with a hair side magic tape and a thorn side magic tape; the bottom of the patch 9 is provided with a hanging hole, and a cotton absorbent towel 25 is arranged in the hanging hole; an annular retaining ring 26 is arranged on the outer circumference of the rear part of the medicine cylinder 5, and the retaining ring 26 is positioned on the rear side of the mounting clip 3; the mounting piece 19 is waist-shaped, a through groove which is communicated from left to right is formed in the upper side of the insert sleeve 20, and the mounting piece 19 is positioned in the through groove; the front cover 6 is screwed to the front side of the cartridge 5.

After the medicine cartridge 5 is inserted into the mounting clip 3, the plug bush 20 is moved to the bottom end of the mounting piece 19, the mounting piece 19 is rotated to enable the mounting piece 19 and the plug bush 20 to move synchronously, when the plug bush 20 carries the mounting piece 19 to move forwards, the medicine cartridge 5 is fixed due to the existence of the stop ring 26, and the piston is pushed by the mounting piece 19 to push out the medicine liquid.

As shown in fig. 4 and 6, a screw 23 is rotatably connected to the upper portion of the rear side of the placing seat 2, the screw 23 is in threaded connection with the screw block 21, a guide rod 22 is slidably connected to the right side of the screw block 21, the guide rod 22 is fixedly connected to the top of the placing seat 2, and a rotating wheel 24 is coaxially and fixedly connected to the rear end of the screw 23.

The screw 21 can move along the axial direction of the guide rod 22 through the rotation of the screw 23, so that the movement of the screw 21 is realized. The resetting of the screw block 21 and the fine adjustment of the cartridge 5 before installation can be achieved by rotating the turning wheel 24.

As shown in fig. 2 and 4, a protective cover 4 capable of swinging left and right is hinged to the left side of the rear portion of the placing seat 2, a hook 16 capable of rotating back and forth is rotatably connected to the bottom of the outer side of the movable end of the protective cover 4, a hanging column 17 is arranged on the upper portion of the right side of the placing seat 2, and the hook 16 and the hanging column 17 are matched to form a structure in which the positions of the placing seat 2 and the protective cover 4 are fixed.

The protective cover 4 is used for covering the medicine cylinder 6, the screw 23 and the like, so that the device is safe in use, the parts on the inner side of the device are not easy to touch, and the stability of the device is improved.

As shown in fig. 7, the front end of the screw 23 is connected with a reversing shaft 28 through an upper bevel gear set 27, the reversing shaft 28 is rotatably connected with the placing seat 2, the bottom end of the reversing shaft 28 is connected with a one-way shaft through a lower bevel gear set 29, the one-way shaft is coaxially and fixedly connected with a one-way wheel 30, and the one-way shaft is rotatably connected to the inner side of the holding handle 1;

a connecting rod 31 capable of swinging back and forth is hinged at a non-circle center position of the end surface of the one-way wheel 30, a sliding rod 32 is hinged at the front end of the connecting rod 31, the sliding rod 32 is connected with the holding handle 1 in a sliding manner, and the front end of the sliding rod 32 penetrates through the holding handle 1 and is fixedly connected with the pressing handle 14; a blocking piece 34 is arranged at the rear side of the sliding rod 32, and a return spring 33 is sleeved at the front side of the sliding rod 32.

As shown in fig. 8, the one-way wheel 30 includes an inner disc 36 fixedly connected to the one-way shaft, an outer disc 35 is rotatably connected to the outer side of the inner disc 36, and the connecting rod 31 is hinged to a non-circle center position of the end surface of the outer disc 35;

an inner ratchet 37 is arranged on the inner side of the outer disc 35, a plurality of pawls 38 are rotatably connected to the outer side of the inner disc 36 through a rotating shaft and a torsion spring, and the pawls 38 are meshed with the ratchet; the end face of the inner disc 36 is fixedly connected with a protection disc 39.

The principle of rotation of the screw 23 is as follows: by pressing the pressing handle 14, the sliding rod 32 moves backwards, so that the connecting rod 31 swings, and the outer disc 25 rotates, and the outer disc 35 rotates with the inner disc 36 through the inner ratchet 37 and the pawl 38, so that the one-way shaft rotates, and the screw 23 rotates through the bevel gear set and the reversing shaft 28.

When the pressing handle 14 is released and the sliding rod 33 moves forward under the action of the return spring 33, the connecting rod 31 drives the outer disk 35 to rotate, the outer disk overturns, at the moment, the inner ratchet 37 cannot drive the pawl 38, and therefore the screw 23 does not rotate.

As shown in fig. 9, the swing rods 12 are respectively hinged to the left and right parts of the front side of the placing base 2, the bottom of the swing rod 12 is hinged to a transfer rod 43 capable of swinging left and right, and the tail ends of the two transfer rods 43 are both inclined upwards and hinged to a driving rod 40;

the utility model discloses a handle, including the handle 1, the handle is including the drive rod 40, the handle 15, the handle is fixed on the drive rod 40, the handle 1 front side is provided with sliding sleeve 41, drive rod 40 with sliding sleeve 41 sliding connection, drive rod 40 bottom with push away handle 15 fixed connection, the drive rod 40 middle part is provided with the dog, the cover is equipped with playback spring 42 on the drive rod 40 between dog and sliding sleeve 41.

The principle of the sound production of the clapper 13 is as follows: the driving rod 40 moves upwards by pushing the push handle 15 upwards, so that the two middle rotating rods 43 are pushed upwards to drive the outward separated swinging of the swinging rod 12, when the push handle 15 is released, the swinging rod 12 is reset under the action of the return spring 42, and the two clappers 13 are clapped together to generate sound to attract the attention of the child patient.

When the device is used, firstly, liquid medicine is added into a medicine cylinder 5, a ball valve 7 is opened to exhaust air, the medicine cylinder 5 is installed on an installation clamp 3, an installation piece 19 and an insertion sleeve 20 are combined by adjusting a rotating wheel 24, a protection cover 4 is covered, then a mouthpiece 10 is inserted into the mouth of a patient, the medicine can be fed by repeatedly pressing a pressing handle 14 through a binding belt 11, when the attention of a child patient is not concentrated or matched, a pushing handle 15 can be repeatedly pushed, a clapper 13 can make a sound to attract the attention of the child patient, and the continuous medicine feeding is facilitated.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.

Although the terms of the grip 1, the placement base 2, the mounting clip 3, the protective cover 4, the cartridge 5, the front cover 6, the ball valve 7, the hose 8, the patch 9, the mouthpiece 10, the strap 11, the swing link 12, the flap 13, the pressing handle 14, the pushing handle 15, the hook 16, the hanging post 17, the pushing rod 18, the mounting piece 19, the insertion sleeve 20, the screw 21, the guide rod 22, the screw 23, the rotating wheel 24, the water absorption towel 25, the baffle ring 26, the upper bevel gear set 27, the reversing shaft 28, the lower bevel gear set 29, the one-way wheel 30, the connecting rod 31, the sliding rod 32, the return spring 33, the baffle 34, the outer disk 35, the inner disk 36, the inner ratchet 37, the pawl 38, the protective disk 39, the driving rod 40, the sliding sleeve 41, the return spring 42, the middle ratchet 43, and the like are used more often herein, the possibility of using. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a chest is children's nursing medicine feed ware for heart surgery, includes cartridge case (5), and cartridge case (5) front end detachable is connected with protecgulum (6), and cartridge case (5) rear end inboard sliding connection has the piston, piston rear side fixedly connected with push rod (18), push rod (18) rear side fixedly connected with mounting plate (19), cartridge case (5) front end is connected with ball valve (7), and ball valve (7) front end is connected with hose (8), its characterized in that: the medicine taking device is characterized by further comprising a holding handle (1), wherein the top of the holding handle (1) is fixedly connected with a placing seat (2), an installation clamp (3) with an arc-shaped longitudinal section is arranged on the front side of the top of the placing seat (2), and the medicine cylinder (5) is detachably connected into the installation clamp (3);

a patch (9) is fixedly connected to the front end of the hose (8), a mouthpiece (10) made of silica gel is communicated with the front end of the patch (9), and binding bands (11) are fixedly connected to the left side and the right side of the patch (9);

a screw block (21) capable of moving back and forth is arranged on the rear side of the top of the placing seat (2), an inserting sleeve (20) is arranged on the top of the screw block (21), and the inserting sleeve (20) is detachably connected with the mounting piece (19); swing rods (12) capable of swinging left and right are arranged on the left and right sides of the front part of the top end of the placing seat (2), and clappers (13) are arranged on the inner sides of the tops of the swing rods (12); a pressing handle (14) capable of moving back and forth is arranged on the front side of the holding handle (1), and the pressing handle (14) moves back and forth to form a structure that the screw block (21) moves forward; a push handle (15) capable of moving up and down is arranged on the front side of the holding handle (1), and the push handle (15) moves up and down in a reciprocating mode to form a structure that the swing rod (12) swings in a reciprocating mode left and right.

2. The children's care medicine feeder for thoracic and heart surgery of claim 1, wherein: the tail ends of the two binding bands (11) are respectively provided with a hair side magic tape and a thorn side magic tape; a hanging hole is formed in the bottom of the patch (9), and a cotton water absorption towel (25) is arranged in the hanging hole; an annular retaining ring (26) is arranged on the outer circumference of the rear part of the medicine cylinder (5), and the retaining ring (26) is positioned on the rear side of the mounting clamp (3); the mounting piece (19) is waist-shaped, a through groove which is communicated from left to right is formed in the upper side of the plug bush (20), and the mounting piece (19) is positioned in the through groove; the front cover (6) is in threaded connection with the front side of the medicine cylinder (5).

3. The children's care medicine feeder for thoracic and heart surgery of claim 1, wherein: place seat (2) rear side upper portion and rotate and be connected with screw rod (23), screw rod (23) with spiral shell piece (21) threaded connection, spiral shell piece (21) right side sliding connection has guide arm (22), guide arm (22) fixed connection in place seat (2) top, the coaxial fixedly connected with runner (24) in screw rod (23) rear end.

4. The children's care medicine feeder for thoracic and heart surgery as set forth in claim 3, wherein: place seat (2) rear portion left side and articulate there is visor (4) that can the horizontal hunting, visor (4) expansion end outside bottom rotates and is connected with couple (16) that can fore-and-aft rotation, it is provided with string post (17) to place seat (2) right side upper portion, couple (16) with string post (17) cooperation forms place seat (2) and visor (4) fixed in position's structure.

5. The children's care medicine feeder for thoracic and heart surgery as set forth in claim 3, wherein: the front end of the screw rod (23) is connected with a reversing shaft (28) through an upper bevel gear set (27), the reversing shaft (28) is rotatably connected with the placing seat (2), the bottom end of the reversing shaft (28) is connected with a one-way shaft through a lower bevel gear set (29), the one-way shaft is coaxially and fixedly connected with a one-way wheel (30), and the one-way shaft is rotatably connected to the inner side of the holding handle (1);

a connecting rod (31) capable of swinging back and forth is hinged to the non-circle center position of the end face of the one-way wheel (30), a sliding rod (32) is hinged to the front end of the connecting rod (31), the sliding rod (32) is in sliding connection with the holding handle (1), and the front end of the sliding rod (32) penetrates through the holding handle (1) and is fixedly connected with the pressing handle (14); a blocking piece (34) is arranged on the rear side of the sliding rod (32), and a return spring (33) is sleeved on the front side of the sliding rod (32).

6. The children's care medicine feeder for thoracic and heart surgery of claim 5, wherein: the one-way wheel (30) comprises an inner disc (36) fixedly connected with the one-way shaft, an outer disc (35) is rotatably connected to the outer side of the inner disc (36), and the connecting rod (31) is hinged to the end face of the outer disc (35) at a non-circle center position;

an inner ratchet (37) is arranged on the inner side of the outer disc (35), a plurality of pawls (38) are rotatably connected to the outer side of the inner disc (36) through rotating shafts and torsion springs, and the pawls (38) are meshed with the ratchet; the end face of the inner disc (36) is fixedly connected with a protection disc (39).

7. The children's care medicine feeder for thoracic and heart surgery of claim 1, wherein: the swing rods (12) are respectively hinged to the left and right parts of the front side of the placing seat (2), the bottoms of the swing rods (12) are hinged with transfer rods (43) capable of swinging left and right, and the tail ends of the two transfer rods (43) are inclined upwards and hinged with driving rods (40);

the utility model discloses a handle (1) is characterized in that grip handle (1) front side is provided with sliding sleeve (41), actuating lever (40) with sliding sleeve (41) sliding connection, actuating lever (40) bottom with push away handle (15) fixed connection, actuating lever (40) middle part is provided with the dog, the cover is equipped with return spring (42) on actuating lever (40) between dog and sliding sleeve (41).