CN212593077U

CN212593077U - Drug feeding device for critical patients

Info

Publication number: CN212593077U
Application number: CN202020442398.5U
Authority: CN
Inventors: 龚大彬; 姚淮育; 魏星; 卫茂华; 黄垒; 宋友礼
Original assignee: Luzhou Peoples Hospital
Current assignee: Luzhou Peoples Hospital
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-02-26
Anticipated expiration: 2030-03-31

Abstract

A drug feeding device for critically ill patients comprises a drug cylinder, wherein a piston head is connected in the drug cylinder in a sliding manner, the rear end of the piston head is fixedly connected with a push handle, the rear end of the push handle is fixedly connected with a push sheet, the bottom of the drug cylinder is connected with a sliding plate capable of moving back and forth in a sliding manner, and the rear end of the sliding plate is detachably connected with the push sheet; the bottom of the medicine cylinder is provided with a holding handle, the front side of the holding handle is provided with a pressing handle capable of swinging back and forth, and the pressing handle swings back to form a structure that the sliding plate moves forward; the medicine cylinder front end detachable is connected with the hose, hose front end fixedly connected with separation blade, the separation blade front end is connected with the medicine feeding mouth, the separation blade left and right sides all is provided with the bandage, the separation blade bottom is provided with the piece that absorbs water. The utility model effectively solves the problem that the existing device has unstable drug feeding speed and is easy to choke to a patient and the liquid medicine is easy to overflow from the mouth of the patient.

Description

Drug feeding device for critical patients

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to critical patient's medicine feed device.

Background

Intensive care therapy means that advanced medical technology is applied to various critical patients who are treated, centralized intensive treatment and nursing are carried out on the critical patients, the survival and the subsequent life quality of the patients are ensured to the maximum extent, and the critical patients cannot take medicines by themselves due to serious illness and need to be fed by medical care personnel.

Chinese patent application No. CN110638653A discloses a medicine feeder for intensive care patients, comprising a medicine feeder main body, wherein a push rod is arranged inside the medicine feeder main body, a second annular plate is integrally formed at the top end of the medicine feeder main body, a connecting plate is integrally formed at two sides of the medicine feeder main body, a sliding groove is formed inside the connecting plate, sliding rods are fixedly mounted at two ends of the push rod, a rubber pressing sleeve is connected to the end of each sliding rod in a clamping manner, and the sliding rods and the connecting plate are slidably connected with the sliding groove through the rubber pressing sleeve; through the both ends design slide bar at the push rod and at the internally designed spout of connecting plate, avoid the medicine feed ware not convenient to stability control when regular pulling push rod, easily cause the push rod to rock the unstability in medicine feed ware's inside, can be when promoting the push rod for the slide bar sticiss the cover and stabilize the slip through rubber in the inside of spout, makes the push rod more stable when regular promotion, is not convenient for rock.

Although the problem that the push rod of current medicine feed ware easily rocked has been solved to above-mentioned application file, still have following problem:

1) the device can not stably control the drug administration speed only by pushing the push rod by hands, which easily causes the overlarge speed of the liquid medicine outlet, thereby causing the situations that the stimulation to the throat is overlarge and the throat is easy to choke and vomit or vomit;

2) because the patient is unconscious and inevitably can cause the situation that the liquid medicine overflows from the mouth, the device does not relate to how to carry out the treatment after the liquid medicine overflows.

The problems not only increase the working intensity of medical care personnel and family personnel, but also increase the pain of patients.

SUMMERY OF THE UTILITY MODEL

The utility model provides a critical patient's medicine feed device to prior art not enough, has solved effectively that current device is dosed speed unstably and chock easily patient, the easy problem that overflows in patient's mouth of liquid medicine.

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

a drug feeding device for critically ill patients comprises a drug cylinder, wherein a piston head is connected in the drug cylinder in a sliding manner, the rear end of the piston head is fixedly connected with a push handle, the rear end of the push handle is fixedly connected with a push sheet, the bottom of the drug cylinder is connected with a sliding plate capable of moving back and forth in a sliding manner, and the rear end of the sliding plate is detachably connected with the push sheet; the bottom of the medicine cylinder is provided with a holding handle, the front side of the holding handle is provided with a pressing handle capable of swinging back and forth, and the pressing handle swings back to form a structure that the sliding plate moves forward; the medicine cylinder front end detachable is connected with the hose, hose front end fixedly connected with separation blade, the separation blade front end is connected with the medicine feeding mouth, the separation blade left and right sides all is provided with the bandage, the separation blade bottom is provided with the piece that absorbs water.

Preferably, the medicine feeding nozzle is made of silica gel, and a medicine outlet is formed in the front side of the medicine feeding nozzle.

Preferably, the separation blade front side is the arc sunken, the connector has all been opened to the left and right sides of separation blade and bottom, the bandage is fixed in the connector on left and right sides respectively, absorb water piece of cloth fixed connection in the connector of bottom.

Preferably, the left bandage rear side is provided with thorn face magic subsides, and the bandage front side on right side is provided with the hair side magic subsides.

Preferably, the bottom of the medicine cylinder is provided with a sliding groove which is formed in the rear end of the bottom block forwards, and the sliding plate is connected in the sliding groove in a sliding mode.

Preferably, the bottom of the sliding plate is provided with a rack; the upper part of the holding handle is hollow, a one-way gear is rotatably connected to the upper side of the holding handle and meshed with the rack, a connecting rod capable of swinging back and forth is hinged to the non-circle center position of the left end face of the one-way gear, the front end of the connecting rod is hinged with a swing rod, the middle part of the swing rod is hinged to the middle part of the holding handle, and the lower end of the swing rod is fixedly connected with the pressing handle;

the rear end of the upper side of the swing rod is connected with a tension spring, and the tail end of the tension spring is fixedly connected with the holding handle.

Preferably, the one-way gear comprises an outer gear meshed with the rack, the inner side of the outer gear is rotatably connected with an inner rotating shaft, and the left end of the inner rotating shaft is hinged with the connecting rod;

the inner side of the outer gear is provided with a ratchet, the outer circumference of the inner rotating shaft is uniformly hinged with a plurality of pawls through torsion springs and rotating shafts, and the pawls are meshed and connected with the ratchet; the right end of the inner rotating shaft is fixedly connected with a cover plate, and the cover plate is connected with the outer gear in a sliding mode.

Preferably, the rear end of the sliding plate is provided with a clamping block, the upper end of the clamping block is downwards provided with a rectangular groove, and the pushing piece is clamped in the rectangular groove.

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

1. the device can realize the forward movement of the sliding plate with the pushing handle by repeatedly pressing the pressing handle, thereby realizing the one-time medicine feeding by pressing, avoiding the problem of overflow or choke caused by excessive medicine feeding, relieving the pain of patients and improving the medicine feeding efficiency and safety.

2. Through the setting of separation blade and piece of cloth that absorbs water for this device is difficult for spilling over when the medicine is fed, and can stabilize the location with the separation blade of this device in patient's mouth through the bandage, has improved the stability in use of this device, and the medicine of being convenient for is fed, makes this device use more comfortable, and the medicine feeding efficiency is also high.

3. The push handle and the piston head of the device can be detached from the medicine cylinder, and the hose can be detached from the medicine cylinder, so that the device can be sterilized before and after use, and the use repetition rate and the sanitation of the device are effectively improved.

Drawings

Fig. 1 is a first perspective view of a critical patient medication administering device of the present invention.

Fig. 2 is a second axial view of the critical patient drug feeding device of the present invention.

Fig. 3 is an isometric view of the hose and its connecting parts of a critical patient drug delivery device of the present invention.

Fig. 4 is an isometric view of a slide plate of a critical patient drug delivery device of the present invention.

Figure 5 is a partially cut-away isometric view of a cartridge for a critical patient medication delivery device of the present invention.

Fig. 6 is an axonometric view of the pressing handle and the connecting component of the drug feeding device for critically ill patients of the present invention.

Fig. 7 is an exploded view of the one-way gear of the drug feeding device for critical patients of the present invention.

In the drawings: 1-medicine cylinder, 2-bottom block, 3-chute, 4-sliding plate, 5-pushing handle, 6-piston head, 7-holding handle, 8-clamping block, 9-pressing handle, 10-hose, 11-blocking piece, 12-medicine feeding nozzle, 13-connecting port, 14-binding band, 15-water absorption towel, 16-pushing piece, 17-rack, 18-one-way gear, 19-connecting rod, 20-swinging rod, 21-tension spring, 22-outer gear, 23-inner rotating shaft, 24-ratchet, 25-pawl and 26-cover plate.

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. 1-7, the utility model provides a drug feeding device for critically ill patients, which comprises a drug cartridge 1, a piston head 6 is connected in the drug cartridge 1 in a sliding way, a push handle 5 is fixedly connected at the rear end of the piston head 6, a push sheet 16 is fixedly connected at the rear end of the push handle 5, a sliding plate 4 which can move back and forth is connected at the bottom of the drug cartridge 1 in a sliding way, and the rear end of the sliding plate 4 is detachably connected with the push sheet 16; the bottom of the medicine cylinder 1 is provided with a holding handle 7, the front side of the holding handle 7 is provided with a pressing handle 9 capable of swinging back and forth, and the pressing handle 9 swings back to form a structure that the sliding plate 4 moves forward; the medicine box is characterized in that the front end of the medicine box 1 is detachably connected with a hose 10, the front end of the hose 10 is fixedly connected with a separation blade 11, the front end of the separation blade 11 is connected with a medicine feeding nozzle 12, the left side and the right side of the separation blade 11 are both provided with a binding band 14, and the bottom of the separation blade 11 is provided with a water absorption towel 15.

The sliding plate 4 can move forwards with the push handle 5 by repeatedly pressing the press handle 9, so that the medicine can be fed once by pressing, the problem of overflow or choke caused by too much medicine can be solved, the pain of a patient is relieved, and the medicine feeding efficiency and safety are improved.

Through separation blade 11 and the setting of piece of cloth 15 that absorbs water for this device is difficult for spilling over when the medicine feed, and can stably fix a position separation blade 11 of this device in patient's mouth through bandage 14, has improved the stability in use of this device, and the medicine feed of being convenient for makes this device use more comfortable, and the medicine feed efficiency is also high.

The push handle 5 and the piston head 6 of the device can be detached from the medicine cylinder 1, and the hose 10 can be detached from the medicine cylinder 1, so that the device can be sterilized before and after use, and the use repetition rate and the sanitation of the device are effectively improved.

As shown in fig. 3, the medicine feeding mouth 12 is made of silica gel, and a medicine outlet is arranged at the front side of the medicine feeding mouth 12. The shape of the medicine feeding mouth 12 made of silica gel is similar to that of the nipple, so that medicine feeding is convenient and rapid, but the size of the medicine outlet hole is large, and liquid medicine can smoothly pass through the medicine feeding mouth.

As shown in fig. 3, the front side of the blocking sheet 11 is an arc-shaped recess, the left and right sides and the bottom of the blocking sheet 11 are both provided with a connecting port 13, the binding bands 14 are respectively fixed in the connecting ports 13 on the left and right sides, and the water absorption towel 15 is fixedly connected in the connecting port 13 on the bottom.

The front side of the baffle plate 11 can be provided with detachable absorbent cotton through viscose as required for absorbing the liquid medicine overflowing from the mouth of the patient. The arrangement of the device ensures that the liquid medicine is not easy to overflow: the baffle plate 11 of the device is fixed on the head of the patient by the binding band 14 which is fixed after being wound around the neck of the patient, so that the baffle plate 11 is attached to the mouth of the patient, and the overflowing amount is effectively reduced. In addition, the water absorption towel 15 fixed at the bottom of the device not only can absorb a small amount of overflowing liquid medicine, but also can be used as wiping cloth, so that the phenomenon that medical staff are busy and disorderly is effectively avoided.

As shown in fig. 1-3, the rear side of the left bandage 14 is provided with a hook and loop fastener, and the front side of the right bandage 14 is provided with a hook and loop fastener. The two binding bands 14 are fixed after bypassing the brain of a patient, so that the medicine feeding efficiency can be effectively improved, and the probability of falling off of the medicine feeding nozzle 12 is reduced.

As shown in fig. 1, 2 and 5, the bottom of the medicine cylinder 1 is provided with a bottom block 2, the rear end of the bottom block is provided with a sliding groove 3, and the sliding plate 4 is slidably connected in the sliding groove 3. The arrangement of the slide groove 3 and the slide plate 4 provides a trajectory parallel to the cartridge 1, so that the push handle 5 can move more stably, reducing the possibility of the push handle 5 tilting.

As shown in fig. 4-6, the bottom of the sliding plate 4 is provided with a rack 17; the upper part of the holding handle 7 is hollow, a one-way gear 18 is rotatably connected to the upper side of the holding handle 7, the one-way gear 18 is meshed with the rack 17, a connecting rod 19 capable of swinging back and forth is hinged to the non-circle center position of the left end face of the one-way gear 18, the front end of the connecting rod 19 is hinged to a swing rod 20, the middle part of the swing rod 20 is hinged to the middle part of the holding handle 7, and the lower end of the swing rod 20 is fixedly connected with the pressing handle 9;

the rear end of the upper side of the swing rod 20 is connected with a tension spring 21, and the tail end of the tension spring 21 is fixedly connected with the holding handle 7.

As shown in fig. 7, the one-way gear 18 comprises an external gear 22 engaged with the rack 17, an internal rotating shaft 23 is rotatably connected to the inner side of the external gear 22, and the left end of the internal rotating shaft 23 is hinged to the connecting rod 19;

the inner side of the outer gear 22 is provided with a ratchet 24, the outer circumference of the inner rotating shaft 23 is uniformly hinged with a plurality of pawls 25 through torsion springs and rotating shafts, and the pawls 25 are meshed and connected with the ratchet 24; a cover plate 26 is fixedly connected to the right end of the inner rotating shaft 23, and the cover plate 26 is slidably connected with the outer gear 22.

After the pressing handle 9 is pressed to swing for a certain angle, the swing rod 20 fixedly connected with the pressing handle 9 can drive the connecting rod 19 to swing, so that the inner rotating shaft 23 driving the one-way gear 18 swings clockwise, and at the moment, the pawl 25 cannot drive the outer gear 22 to rotate. When the pressing handle 9 is released, the pressing handle 9 returns to the original position under the action of the tension spring 21, so that the oscillating bar 20 fixedly connected with the pressing handle 9 drives the connecting rod 19 to oscillate, the inner rotating shaft 23 driving the one-way gear 18 oscillates anticlockwise, and the pawl 25 drives the outer gear 22 to rotate. Therefore, the one-way gear 18 can drive the rack 17 and the sliding plate 4 which are meshed with the one-way gear to move forwards, so that the injection of the liquid medicine is realized, the stability and the accuracy are realized, and the dosage is convenient to control.

In addition, it is worth mentioning that the connection line from the axle center of the one-way gear 18, the connecting rod 19, the swing rod 20 and the one-way gear 18 to the rotating shaft of the swing rod 20 and the grip 7 forms a four-bar mechanism (quadrilateral structure), and the length of the connection line between the one-way gear 18 and the connecting rod 19 is smaller than the length of the connection line of the hinge points at the two ends of the swing rod 20, that is, the quadrilateral structure is a crank-rocker mechanism. When the pressing handle 9 is pressed to drive the rack 17 to move forward, the rocker is a driving part: the swing rod 20 swings a certain small angle, and the crank swings a certain angle. When the pushing piece 16 is pulled backwards to drive the rack 17 to move backwards, the one-way gear 18 makes a circular motion, namely the crank makes a circular motion, and the pressing handle 9 and the swing rod 20 swing back and forth.

Therefore, the one-way gear 18 is provided to continuously drive the rack 17 to move forward when the swing link 20 and the pressing handle 9 swing back and forth.

As shown in fig. 1-2, a clamping block 8 is arranged at the rear end of the sliding plate 4, a rectangular groove is formed in the upper end of the clamping block 8 downwards, and the pushing piece 16 is clamped in the rectangular groove. By placing the push plate 16 in the rectangular groove, the slide plate 4 and the piston head 6 can move synchronously to realize the administration operation.

When the device is used, the connection between the hose 10 and the medicine cartridge 1 is firstly released, then the front end of the medicine cartridge 1 is inserted into medicine liquid, the push piece 16 is pulled manually, the hose 10 and the medicine cartridge 1 are connected after the medicine liquid is sucked, the medicine feeding nozzle 12 is inserted into the mouth of a patient, the medicine feeding nozzle 12 is positioned through the bandage 14, and the medicine feeding can be continuously and stably carried out by repeatedly pressing the pressing handle 9 according to the actual condition of the patient.

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 medicine cartridge 1, the bottom block 2, the sliding groove 3, the sliding plate 4, the push handle 5, the piston head 6, the holding handle 7, the clamping block 8, the pressing handle 9, the hose 10, the baffle 11, the medicine feeding nozzle 12, the connecting port 13, the binding band 14, the water absorption towel 15, the push piece 16, the rack 17, the one-way gear 18, the connecting rod 19, the swing rod 20, the tension spring 21, the outer gear 22, the inner rotating shaft 23, the ratchet 24, the pawl 25 and the cover plate 26 are more frequently used in the present document. And the like, but does not exclude the possibility of using other terms. 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 critical patient's medicine feed device, includes cartridge case (1), and sliding connection has piston head (6) in cartridge case (1), and piston head (6) rear end fixedly connected with pushes away handle (5), pushes away handle (5) rear end fixedly connected with push jack (16), its characterized in that: the bottom of the medicine cylinder (1) is connected with a sliding plate (4) capable of moving back and forth in a sliding manner, and the rear end of the sliding plate (4) is detachably connected with the push sheet (16); the bottom of the medicine cylinder (1) is provided with a holding handle (7), the front side of the holding handle (7) is provided with a pressing handle (9) capable of swinging back and forth, and the pressing handle (9) swings back to form a structure that the sliding plate (4) moves forward; cartridge case (1) front end detachable is connected with hose (10), hose (10) front end fixedly connected with separation blade (11), separation blade (11) front end is connected with medicine feeding mouth (12), separation blade (11) left and right sides all is provided with bandage (14), separation blade (11) bottom is provided with piece of cloth (15) that absorbs water.

2. A critical patient medication feeding device as claimed in claim 1, wherein: the medicine feeding nozzle (12) is made of silica gel, and a medicine outlet is formed in the front side of the medicine feeding nozzle (12).

3. A critical patient medication feeding device as claimed in claim 1, wherein: the front side of the separation blade (11) is arc-shaped and sunken, connectors (13) are respectively arranged at the left side, the right side and the bottom of the separation blade (11), the binding bands (14) are respectively fixed in the connectors (13) at the left side and the right side, and the water absorption towel (15) is fixedly connected in the connector (13) at the bottom.

4. A critical patient medication feeding device as claimed in claim 1, wherein: the back side of the left bandage (14) is provided with a thorn surface magic tape, and the front side of the right bandage (14) is provided with a hair surface magic tape.

5. A critical patient medication feeding device as claimed in claim 1, wherein: the bottom of the medicine cylinder (1) is provided with a bottom block (2), the rear end of the bottom block is provided with a sliding groove (3) forwards, and the sliding plate (4) is connected in the sliding groove (3) in a sliding manner.

6. A critical patient medication feeding device as claimed in claim 5, wherein: the bottom of the sliding plate (4) is provided with a rack (17); the upper part of the holding handle (7) is hollow, a one-way gear (18) is rotatably connected to the upper side of the holding handle (7), the one-way gear (18) is meshed with the rack (17), a connecting rod (19) capable of swinging back and forth is hinged to the non-circle center position of the left end face of the one-way gear (18), the front end of the connecting rod (19) is hinged to a swing rod (20), the middle part of the swing rod (20) is hinged to the middle part of the holding handle (7), and the lower end of the swing rod (20) is fixedly connected with the pressing handle (9);

the rear end of the upper side of the swing rod (20) is connected with a tension spring (21), and the tail end of the tension spring (21) is fixedly connected with the holding handle (7).

7. A critical patient medication feeding device according to claim 6, wherein: the one-way gear (18) comprises an external gear (22) meshed with the rack (17), the inner side of the external gear (22) is rotatably connected with an internal rotating shaft (23), and the left end of the internal rotating shaft (23) is hinged with the connecting rod (19);

the inner side of the outer gear (22) is provided with a ratchet (24), the outer circumference of the inner rotating shaft (23) is uniformly hinged with a plurality of pawls (25) through torsion springs and rotating shafts, and the pawls (25) are meshed and connected with the ratchet (24); the right end of the inner rotating shaft (23) is fixedly connected with a cover plate (26), and the cover plate (26) is connected with the outer gear (22) in a sliding mode.

8. A critical patient medication feeding device as claimed in claim 1, wherein: the rear end of the sliding plate (4) is provided with a clamping block (8), a rectangular groove is formed in the upper end of the clamping block (8) downwards, and the pushing piece (16) is clamped in the rectangular groove.