CN210355504U

CN210355504U - Gastroenterology enemator

Info

Publication number: CN210355504U
Application number: CN201821984411.9U
Authority: CN
Inventors: 叶婷婷; 刘燕; 敖桃宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-29
Filing date: 2018-11-29
Publication date: 2020-04-21
Anticipated expiration: 2028-11-29

Abstract

The utility model relates to a gastroenterology enemator, which at least comprises a body, and an injection nozzle and a pushing part which are respectively arranged at the first end part and the second end part of the body, wherein the pushing part at least comprises a piston push rod which can be abutted against the first end part in a mode of penetrating through the body, two end parts of the piston push rod are respectively provided with a piston head and a limiting block, the second end part is provided with a limiting ring in a circular ring shape, and the piston head increases the distance between the piston head and the injection nozzle in a mode of increasing the depth of the limiting block embedded into the limiting ring; or the piston head reduces the distance between the limiting block and the injection nozzle in a mode of reducing the depth of the limiting block embedded into the limiting ring. The utility model discloses a different of spacing ring and stopper match, and the spacing arch of stopper matches at every turn with the recess of spacing ring the same, and the distance between piston head and the check valve each other is unchangeable, and then can guarantee that the liquid medicine volume of pouring into at every turn is the same.

Description

Gastroenterology enemator

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to gastroenterology enemator.

Background

The enemator is also called enema bag and bowel clearing device, the name approved by the national drug administration is defecation bowel clearing device, the enemator belongs to a class of medical health care instruments, the enemator mainly cleans the large intestine by utilizing warm water, saline, various enema solutions or coffee solutions and the like, and the enemator is mainly used for treating constipation, anorectal diseases and the like in medical institutions.

The patent document with the publication number of CN207270526U discloses an enema syringe for gastroenterology, including the syringe, the bottom of syringe is provided with the injection head, the piston has been cup jointed in the syringe, the roof of piston and the bottom fixed connection of push rod, the top of push rod runs through the top of syringe and rather than the bottom fixed connection who presses the board above, the fixed surface of syringe is connected with the slide rail, the sliding rail cup joints the fixed block in, the equal sliding connection in both ends about just being located the fixed block has the slider in the slide rail. The enemator cannot effectively control the amount of liquid medicine injected each time and cannot meet the requirement of accurate treatment.

A large amount of enema is not reserved, the liquid amount is 500-1000 ml for adults, 500-800 ml for old people and 200-500 ml for children. Furthermore, small amount of enema is not reserved, and 1, 2 or 3 enema solution, namely 30ml of 50% magnesium sulfate, 60ml of glycerol and 90ml of warm boiled water, or oil solution, namely 50ml of glycerol or liquid paraffin is added with the same amount of warm boiled water is selected; or 120-180 ml of various vegetable oils.

The granted Chinese patent with publication number CN200520055044.0 also points out the technical problem existing in the prior art that the traditional disposable enemator is a full-open type bottle mouth, the general caliber is 11cm, the inner diameter of an anal tube is generally 1-1.5 cm, a connecting pipe in front of the anal tube of the enemator is not provided with any device for adjusting the flow, the full-open type bottle mouth has fast heat dissipation, the enema is easy to cool, the flow adjusting device is not arranged on the anal tube, the enema speed is difficult to adjust, a nurse can only adjust the enema bag in a very limited way by observing the height of the enema bag and adjusting static pressure, the use is inconvenient, and the effect is poor; in addition, because the existing anal canal is short, large in diameter and hard in texture, the anal canal cannot reach the colon, the retention time of the enema in the body of a patient is short, the concentration of the drug in the colon cannot meet the requirement, and the treatment effect is poor, so that improvement is needed. That is, the prior art clearly indicates that the need for precisely controlling the amount of liquid medicine injected per time cannot be achieved by providing a conventional enema, and there is a necessity for improvement and a demand for use.

Chinese patent publication No. CN201821331133.7 discloses an enema device for department of gastroenterology, further pointing out the technical problem existing in the prior art that "during the treatment of gastroenterology, the dredging of digestive tract and the treatment of inflammation of digestive tract can be performed by often adopting the treatment method of enema, but at present many enema means are implemented by only adopting simple infusion bags and infusion tubes to introduce the treatment liquid into the body of a patient, because different patients need different enemas, the amount of the lotion needs to be additionally configured and fed, and a single infusion bag is adopted, so that the lotion is not convenient to be delivered, which causes great inconvenience in use and operation, during the infusion process, sometimes not smooth, and increases the operation of medical personnel and wastes time and labor. "

In the prior art, a plurality of technical schemes for accurately controlling the enema liquid medicine amount exist. For example, chinese patent publication No. CN203208431U discloses an automatic constant temperature cleaning backflow enema device for infant intestine ostomy, which has a waterproof cloth disposed above the trousers, a chassis inlay and a round hole disposed on the waterproof cloth, a Y-shaped anal tube inserted into the ostomy through the round hole, a Y-shaped anal tube connected to the infusion tube, an ostomy bag clamped at the chassis inlay by using a chassis bayonet, and a drainage bag connected to the ostomy bag. The automatic constant-temperature cleaning backflow enema device for the infant intestine ostomy opening can strictly and accurately control the amount of the enema, ensures the temperature of the enema through the heater, does not cause diarrhea and vomiting of the infant due to abnormal enema temperature, can ensure the balance of liquid inflow and outflow, ensures the health of the infant, can safely and effectively complete the cleaning backflow enema work of the infant, can ensure the body fluid balance of the infant, and has good use effect.

There have been a lot of technical attempts to control the speed of the enema liquid. For example, chinese patent publication No. CN209332861U discloses a novel medical enema device, which comprises an enema box, wherein a motor bottom plate is fixedly connected to one end surface of the enema box, and a motor is fixedly connected to the surface of the motor bottom plate. This novel internal medicine enema device, during the use, open the end cap to advancing medicine mouth injection, heat through spiral heating pipe dosing reaches the temperature that human comfortable ability better absorbed, give the pencil and scribble lubricating oil and insert patient's anus simultaneously, open the motor, the motor rotates and drives the thread bush and remove, come even at the uniform velocity extrusion piston, the piston promotes the medicine and injects the human body, stop when the clamp plate contacts first stopper, the medicine injection finishes simultaneously, it opens the motor rotation to extract out the pencil, stop when contacting the second stopper, resume initial state, this easy operation is convenient, also can oneself operate when patient one man-hour, the manpower has been saved, also make the people not feel uncomfortable owing to the at the uniform velocity of the promotion medicine of motor, thereby the speed control of medicine flow and the effect of practicing thrift the cost have been solved.

SUMMERY OF THE UTILITY MODEL

The word "module" as used herein describes any type of hardware, software, or combination of hardware and software that is capable of performing the functions associated with the "module".

To the deficiency of the prior art, the utility model provides a gastroenterology enemator, at least including the body and set up injection nozzle and the promotion portion on the first end of body and second end respectively. The promotion portion at least including can according to running through the mode of body supports to the piston push rod of first end, is provided with piston head and stopper on two tip of piston push rod respectively, be provided with on the second end and be the annular spacing ring of circle, wherein: the piston head increases the distance between the piston head and the injection nozzle in a mode of increasing the depth of the limiting block embedded into the limiting ring; or the piston head reduces the distance between the piston head and the injection nozzle in a mode of reducing the depth of the limiting block embedded into the limiting ring.

According to a preferred embodiment, the shape of the stopper is defined by a cylinder, the outer surface of the stopper is provided with a stopper protrusion extending along the axial direction thereof, and a plurality of grooves, which are different from each other in length and all extend along the axial direction of the stopper ring, are disposed on the inner wall of the stopper ring in a surrounding manner, wherein: the piston head increases or decreases the distance between the piston head and the injection nozzle according to the mode that the limiting protrusion is embedded into different grooves.

According to a preferred embodiment, the body has at least a first cavity and a second cavity separated by a partition, the piston head is arranged in the first cavity, and at least one compression spring is arranged in the second cavity in a manner of nesting the piston push rod, wherein: the compression spring is able to bear against the diaphragm in a manner that compresses to reduce its length, with the piston head moving towards the injection nozzle.

According to a preferred embodiment, the stop lug can engage in different grooves in such a way that the piston rod rotates about its axis, in the event that the piston head is moved towards the injection nozzle in such a way that the stop block is out of contact with the stop ring.

According to a preferred embodiment, the first end and the second end are both open, the first end is further provided with a one-way valve, and the injection nozzle can communicate with the first cavity in such a way that the piston head moves towards the one-way valve when the first cavity is filled with the liquid medicine; or the injection nozzle can be out of communication with the first cavity in such a way that the piston head moves towards the partition.

According to a preferred embodiment, a first internal thread is provided on the inner wall of the first end portion, and a first external thread is provided on the outer wall of the injection nozzle, the injection nozzle being detachably connected to the first end portion in such a way that the first external thread cooperates with the first internal thread.

According to a preferred embodiment, a second internal thread is arranged on the inner wall of the second end portion, a second external thread is arranged on the outer wall of the limiting ring, and the limiting ring is detachably connected to the second end portion in a manner that the second external thread is matched with the second internal thread.

According to a preferred embodiment, the limiting block is provided with a handle exposed outside the body.

According to a preferred embodiment, a liquid storage tank for storing liquid medicine is further arranged on the body, and the liquid storage tank is communicated with the first cavity.

According to a preferred embodiment, a heater for heating the chemical liquid is further provided inside the liquid storage tank.

The utility model has the advantages of: the utility model discloses a different of spacing ring and stopper match, can adjust the degree of depth that the stopper imbeds in the spacing ring, and then can change the distance between each other of piston head and check valve. When the limiting protrusion of the limiting block is matched with the groove of the limiting ring at the same time, the distance between the piston head and the one-way valve is unchanged, and the liquid medicine injected at each time can be guaranteed to be the same.

Drawings

FIG. 1 is a schematic structural view of a preferred gastroenterology enemator of the invention;

FIG. 2 is a schematic view of the preferred gastroenterology enemator of the present invention in another configuration;

FIG. 3 is a schematic view of a preferred connection structure of the limiting ring and the limiting block of the present invention; and

fig. 4 is a schematic view of the expansion structure of the preferred stop collar of the present invention.

List of reference numerals

1: a body 2: injection nozzle 3: push part

4: piston push rod 5: piston head 6: limiting block

7: a limiting ring 8: limiting protrusion 9: groove

10: separator 11: first cavity 12: second cavity

13: compression spring 14: the check valve 15: handle (CN)

16: a liquid storage tank 17: heater 18: first channel

19: the second channel

1 a: first end 1 b: second end portion

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model provides an enemator for department of gastroenterology, which at least comprises a body 1, and an injection nozzle 2 and a pushing part 3 which are respectively arranged on a first end part 1a and a second end part 1b of the body 1. The pushing portion 3 includes at least a piston rod 4 that can be abutted to the first end portion 1a in a manner penetrating the body 1. The two ends of the piston push rod 4 are respectively provided with a piston head 5 and a limiting block 6. The second end portion 1b is provided with a ring-shaped limiting ring 7. The body 1 has at least a first cavity 11 and a second cavity 12 separated by a partition 10. The piston head 5 is arranged in the first cavity 11. At least one compression spring 13 is disposed in the second cavity 12 in a nested manner with the piston pusher 4. In the case of a movement of the piston head 5 towards the injection nozzle 2, the compression spring 13 can abut against the partition 10 in a way that it compresses with a reduced length.

Preferably, the first end portion 1a and the second end portion 1b are both open, and the inner wall of the first end portion 1a is provided with a first internal thread. A first external thread is provided on the outer wall of the injection nozzle 2, and the injection nozzle 2 is detachably connected to the first end portion 1a in such a manner that the first external thread is fitted with the first internal thread. A second internal thread is provided on the inner wall of the second end portion 1 b. The outer wall of the limiting ring 7 is provided with a second external thread, and the limiting ring 7 is detachably connected to the second end portion 1b in a mode that the second external thread is matched with the second internal thread. The injection nozzle is detachably arranged, so that the injection nozzle can be conveniently replaced and cleaned, and the first cavity 11 can be conveniently cleaned.

Preferably, the first end portion 1a is further provided with a check valve 14. A one-way valve 14 isolates the first mould cavity from the injection nozzle 2. When the first cavity 11 is filled with the chemical liquid, the injection nozzle 2 can communicate with the first cavity 11 so that the piston head 5 moves toward the check valve 14. Or the injection nozzle 2 can be out of communication with the first cavity 11 in such a way that the piston head 5 moves towards the partition 10. The body 1 is also provided with a liquid storage tank 16 for storing liquid medicine. The reservoir 16 communicates with the first cavity 11. Specifically, the reservoir 16 communicates with the first cavity through a first passage 18. The first channel is arranged at a position close to the partition plate 10, so that when the piston head abuts against the partition plate, the first channel can be closed to prevent liquid medicine in the liquid storage tank from entering the first cavity. The check valve is arranged on the left side of the piston head, when the piston head moves leftwards, the pressure of the liquid medicine in the first cavity is increased, and then the check valve is pushed open, so that the liquid medicine can enter the injection nozzle. When the piston head moves leftwards and is separated from the partition plate, the piston head and the first channel are in an ectopic state, and then liquid medicine in the liquid storage tank enters the first cavity on the right side of the piston head through the first channel. The piston head is provided with a second channel 19 in which a one-way valve is arranged so that the liquid medicine can only move from the right side to the left side of the piston head. And then after the piston head continues to move leftwards to be completely abutted against the one-way valve 14, the piston head then moves rightwards, and then the liquid medicine on the right side of the piston head can enter the first cavity on the left side of the piston head through the second channel. Preferably, an electronic valve may be provided in the first passage to effect active closing and opening thereof. The first passage is open when the piston head moves to the left and closed when the piston head moves to the right.

Preferably, as shown in fig. 3 and 4, the shape of the limiting block 6 is defined by a cylinder, a limiting protrusion 8 extending along the axial direction of the limiting block 6 is arranged on the outer surface of the limiting block 6, and a plurality of grooves 9 which are different from each other in length and all extend along the axial direction of the limiting ring are arranged on the inner wall of the limiting ring 7 in a surrounding manner. The piston head 5 increases or decreases its distance from the injection nozzle 2 in such a way that the stop lug 8 engages in a different groove 9. For example, the piston head 5 increases its distance from the injection nozzle 2 in such a way that the depth of embedding of the stopper 6 into the stopper ring 7 increases. The piston head 5 reduces its distance from the injection nozzle 2 in such a way that the depth of the stop 6 engaging the stop ring 7 is reduced. Preferably, the stop protrusion 8 can be inserted into a different groove 9 in such a way that the piston pusher 4 rotates about its axis, in case the piston head 5 is moved towards the injection nozzle 2 so that the stop block 6 is out of contact with the stop ring 7. Through the cooperation of the limiting protrusions and the grooves with different depths, the volume of the first cavity on the left side of the piston head can be rapidly changed, and then the single injection amount of the liquid medicine can be effectively controlled.

Preferably, the limiting block 6 is provided with a handle 15 exposed outside the body 1. Under the condition that the limiting block is separated from the limiting block, the limiting protrusion can be quickly adjusted to be matched with different grooves by rotating the handle.

Preferably, a heater 17 for heating the chemical liquid is further provided in the liquid storage tank 16. The temperature of the liquid medicine can be changed through the heater, and stimulation to a human body due to improper temperature of the liquid medicine is avoided.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. Gastroenterology enemator includes body (1) at least and sets up injection nozzle (2) and promotion portion (3) on first end (1a) and second end (1b) of body (1) respectively, a serial communication port, promotion portion (3) are at least including according to running through the mode of body (1) supports to lean on extremely piston push rod (4) of first end (1a), be provided with piston head (5) and stopper (6) on two tip of piston push rod (4) respectively, be provided with on second end (1b) and be annular spacing ring (7), wherein:

the distance between the piston head (5) and the injection nozzle (2) is increased in a mode of increasing the depth of the limiting block (6) embedded into the limiting ring (7); or

The piston head (5) and the injection nozzle (2) are separated from each other in a manner that the depth of the limiting block (6) embedded in the limiting ring (7) is reduced.

2. The gastroenterology enemator as according to claim 1, wherein the stopper (6) is defined in a cylindrical shape, a stopper protrusion (8) extending in the axial direction thereof is provided on the outer surface of the stopper (6), and a plurality of grooves (9) different from each other in length and each extending in the axial direction of the stopper ring are provided in a surrounding manner on the inner wall of the stopper ring (7), wherein:

the piston head (5) increases or decreases the distance between the stop lug (8) and the injection nozzle (2) according to the mode that the stop lug is embedded into different grooves (9).

3. An enemator as claimed in claim 2, wherein said body (1) has at least a first cavity (11) and a second cavity (12) separated by a partition (10), said piston head (5) being arranged in said first cavity (11), at least one compression spring (13) being arranged in said second cavity (12) in such a way as to nest said piston pusher (4), wherein:

the compression spring (13) can be pressed against the partition (10) in a compressed, reduced length, in the event of a movement of the piston head (5) towards the injection nozzle (2).

4. An enteroclysm device according to claim 3, characterized in that the limit projections (8) can be inserted into different grooves (9) in such a way that the piston pusher (4) rotates around its axis, in case the piston head (5) is moved towards the injection nozzle (2) to disengage the limit block (6) from the limit ring (7).

5. An enemator according to claim 4, wherein said first end (1a) and said second end (1b) are open, said first end (1a) being further provided with a non-return valve (14), in the case of a liquid in said first cavity (11),

the injection nozzle (2) being able to communicate with the first cavity (11) in such a way that the piston head (5) moves towards the non-return valve (14); or

The injection nozzle (2) can be disconnected from the first cavity (11) in such a way that the piston head (5) moves towards the partition (10).

6. An enemator as claimed in claim 5, wherein the first end (1a) is provided on its inner wall with a first internal thread and the injection nozzle (2) is provided on its outer wall with a first external thread, the injection nozzle (2) being removably connected to the first end (1a) in such a way that the first external thread cooperates with the first internal thread.

7. An enemator as claimed in claim 6, wherein the second end (1b) is provided on its inner wall with a second internal thread and the stop collar (7) is provided on its outer wall with a second external thread, the stop collar (7) being detachably connected to the second end (1b) in such a way that the second external thread cooperates with the second internal thread.

8. The gastroenterology enemator as claimed in claim 7, wherein the limiting block (6) is provided with a handle (15) exposed outside the body (1).

9. An enemator as claimed in claim 8, wherein a tank (16) for storing liquid medicine is further provided on the body (1), said tank (16) being in communication with the first cavity (11).

10. The gastroenterology enemator as claimed in claim 9, wherein a heater (17) for heating the liquid medicine is further provided inside the liquid storage tank (16).