CN217988086U

CN217988086U - Pain-relieving pump

Info

Publication number: CN217988086U
Application number: CN202221021157.9U
Authority: CN
Inventors: 葛丽娜
Original assignee: Shaoxing Central Hospital Medical Community General Hospital Shaoxing Central Hospital
Current assignee: Shaoxing Central Hospital Medical Community General Hospital Shaoxing Central Hospital
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-12-09
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses an analgesic pump, including the main part, be equipped with the liquid storage pot in the main part, the liquid storage pot includes cyclic annular arch and stock solution chamber, is equipped with the check valve in the cyclic annular arch and keeps off the piece, and the check valve is located to keep off between piece and the stock solution chamber, and cyclic annular protruding tip is equipped with the end cap, is formed with the cavity between end cap and the fender piece, and the cavity passes through the check valve intercommunication or blocks with the stock solution chamber, and the end cap includes the incision, and incision one end intercommunication main part is outside and other end intercommunication cavity. The utility model discloses a design check valve with keep off the piece for can only to stock solution bottle filling medicine, can not take out the medicine in the stock solution bottle, thereby can alleviate medical burden, can prevent again that the patient from injecting by oneself.

Description

Pain-relieving pump

Technical Field

The utility model belongs to the technical field of infusion pump technique and specifically relates to a pump relieves pain.

Background

The pain-relieving pump is a medical appliance for regularly and quantitatively giving pain-relieving medicines, and is also called as an analgesic pump. The drug delivery device can be widely used, but generally comprises a damping tube, a drug feeding port, a liquid storage device, a protective shell, a filter, a flow control tube, a protective sleeve and the like, wherein the damping tube is filled with an analgesic drug. The medicine is mainly used for postoperative analgesia, painless childbirth, chronic pain treatment, malignant tumor analgesia and other treatments requiring continuous infusion of a trace amount of liquid medicine.

For malignant tumor patients, the patients are mostly hospitalized for a long time for analgesia, medical burden is increased to a certain extent, but the patients are afraid of excessive injection of drugs by taking an analgesia pump out of hospital and self-infusing the drugs at home, or the drugs in a liquid storage tank are pumped out and injected, so that safety accidents such as coma of the patients are caused, and the improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an analgesic pump, through design check valve with keep off the piece for can only fill the medicine to the stock solution bottle, can not take out the medicine in the stock solution bottle, thereby can alleviate medical burden, can prevent again that the patient from injecting by oneself.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an analgesic pump comprises a main body, wherein a liquid storage tank is arranged in the main body, the liquid storage tank comprises an annular protrusion and a liquid storage cavity, a one-way valve and a blocking piece are arranged in the annular protrusion, the one-way valve is located between the blocking piece and the liquid storage cavity, a plug is arranged at the end part of the annular protrusion, a cavity is formed between the plug and the blocking piece, the cavity and the liquid storage cavity are communicated or blocked through the one-way valve, the plug comprises a notch, one end of the notch is communicated with the outside of the main body, and the other end of the notch is communicated with the cavity.

The stopper includes an annular land facing the notch.

A plurality of gaps are formed in the circumferential direction of the side face of the annular table.

The one-way valve comprises a valve core, the valve core is moved to enable the cavity to be communicated with or blocked from the liquid storage cavity, and the annular table is opposite to the valve core.

Annular protruding inboard is equipped with first annular muscle, the first annular muscle of check valve tip butt, first annular muscle inboard is equipped with the through-hole, through-hole and stock solution chamber intercommunication.

The plug comprises a second annular rib, a boss and a stand column, the second annular rib is abutted to the end portion of the annular bulge, the boss is inserted into the annular bulge, a filling port is formed in the side face of the main body, and the stand column is inserted into the filling port.

The side of the main body is provided with a clamping plate.

The main body further comprises a display screen, a charging port and a data transmission port.

The utility model has the advantages that: the check valve can only be opened when filling, the back is finished in the medicine filling, can't extract the medicine in the stock solution intracavity, specifically do, the back is finished in the medicine filling, the check valve is closed, make cavity and stock solution chamber block, and even use instrument such as syringe needle or tiny needle to insert in the cavity, the instrument can only butt annular platform, can't contact with the case of check valve, just so can't open the check valve, thereby can effectually prevent that the patient from taking out the medicine in the stock solution jar privately and injecting, the security has improved greatly, and make tumour patient need not to alleviate pain through being in hospital, not only greatly reduced the medical burden of hospital, make the hospital have more berths to come the more serious patient of illness state of rescue, can also make things convenient for the patient to carry out autonomous therapy.

Drawings

Fig. 1 is a schematic structural view at a first viewing angle of the present invention;

fig. 2 is a schematic structural view of the present invention at a second viewing angle;

FIG. 3 isbase:Sub>A partial cross-sectional view of FIG. 2 at A-A;

FIG. 4 is a schematic view of a stopper.

In the figure: the device comprises a main body 1, a conduit connecting part 11, a display screen 12, a filling port 13, a clamping plate 14, a charging port 15, a data transmission port 16, a liquid storage tank 2, an annular bulge 21, a mounting hole 22, a first annular rib 23, a through hole 24, a liquid storage cavity 25, a check valve 3, a valve core 31, a stopper 4, an annular table 41, a notch 42, a plug 5, a second annular rib 51, a boss 52, a stand column 53 and a notch 54.

Detailed Description

The invention will be further described with reference to the following drawings and detailed description:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, and do not indicate or imply that the referred device or unit must have a specific direction, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, an analgesic pump includes a main body 1, a liquid storage tank 2 is disposed in the main body 1, the liquid storage tank 2 includes an annular protrusion 21 and a liquid storage cavity 25, a check valve 3 and a stopper 4 are disposed in the annular protrusion 21, the check valve 3 is located between the stopper 4 and the liquid storage cavity 25, a plug 5 is disposed at an end of the annular protrusion 21, a cavity 22 is formed between the plug 5 and the stopper 4, the cavity 22 and the liquid storage cavity 25 are communicated or blocked through the check valve 3, the plug 5 includes a notch 54, one end of the notch 54 is communicated with an outside of the main body 1, and the other end is communicated with the cavity 22, the stopper 4 includes an annular platform 41, the annular platform 41 faces the notch 54, the check valve 3 includes a valve core 31, the valve core 31 is moved to communicate or block the cavity 22 and the liquid storage cavity 25, and the annular platform 41 faces the valve core 31;

as shown in fig. 3, the utility model can fill the liquid storage tank 2 with medicine through the needle cylinder, specifically, when medicine needs to be filled, the medicine is stored in the needle cylinder, the needle head of the needle cylinder is inserted from the outside of the main body 1 and penetrates through the notch, the end part of the needle head is abutted against the annular table 41 of the stopper 4, the needle opening is communicated with the cavity 22, and at this moment, the needle head is inserted in place, and medicine filling can be carried out; the needle cylinder pushes the medicine statically, the medicine enters the cavity 22 and pushes the valve core 31 of the one-way valve 3 rightwards through the stopper 4, so that the one-way valve 3 is opened, and the medicine can enter the liquid storage cavity 25 through the one-way valve 3, thereby completing the filling of the medicine; after the needle head is pulled out after the medicine is filled, the cut is automatically closed, and the medicine in the cut is prevented from leaking.

Check valve 3 can only be opened when filling, the back is accomplished in the medicine filling, can't extract the medicine in the stock solution chamber 25, specifically do, the back is accomplished in the medicine filling, check valve 3 is closed, make cavity 22 block with stock solution chamber 25, and even use instrument such as syringe needle or tiny needle to insert in the cavity 22, the instrument can only butt annular platform 41, can't contact with the case 31 of check valve 3, just so can't open check valve 3, thereby can effectually prevent that the patient from taking out the medicine in the stock solution tank 25 privately and injecting, the security has been improved greatly, and make the tumour patient need not to alleviate pain through being in hospital, not only greatly reduced the medical burden of hospital, make the hospital can have more beds to come the more serious patient of state of an illness, can also make things convenient for the patient to carry out autonomous therapy.

The utility model discloses a liquid storage pot 2 can repeat the filling medicine, has improved greatly the utility model discloses a life has saved the cost.

Preferably, a plurality of notches 42 are circumferentially arranged on the side surface of the annular table 41, and the cavity 22 is communicated with the one-way valve 3 through the notches 42.

Preferably, annular bulge 21 inboard is equipped with first annular muscle 23, the first annular muscle 23 of 3 tip butts of check valve, first annular muscle 23 inboard is equipped with through-hole 24, through-hole 24 and stock solution chamber 25 intercommunication can carry out spacing fixed to check valve 3 through setting up first annular muscle 23.

Preferably, the plug 5 is made of rubber or silica gel, the plug 5 comprises a second annular rib 51, a boss 52 and a column 53, the second annular rib 51 abuts against the end of the annular protrusion 21, the boss 52 is inserted into the annular protrusion 21, a filling port 13 is arranged on the side surface of the main body 1, and the column 53 is inserted into the filling port 13, wherein the second annular rib 51 is in clearance fit with the inner wall of the main body 1, and through the design, the sealing effect of the cavity 22 is improved, and the opening and closing of the notch 54 are facilitated.

The side of the main body 1 is provided with a clamping plate 14, and the utility model can be clamped on the waistband of trousers through the clamping plate 14, which is convenient to carry.

As preferred, 1 side of main part still is equipped with pipe connection portion 11, and pipe connection portion 11 is used for connecting the outside pipe, and the outside pipe can be connected with the patient subcutaneous needle on the pipe, and the medicine in the liquid storage pot 2 passes through the outside pipe and gets into the patient subcutaneous to analgesia operation is carried out to the patient, and the principle that the pipe was carried from liquid storage pot 2 to the medicine is prior art, in the utility model discloses do not give unnecessary details.

The main body 1 further comprises a display screen 12, a charging port 15 and a data transmission port 16, and the display screen 12 is arranged to display the working states of the residual capacity, the flow rate and the like of the medicine in the liquid storage tank 2; the utility model discloses built-in power supply can be right through setting up charging mouth 15 the utility model discloses charge, be convenient for the utility model discloses a carry; the utility model discloses the surface does not have any button, can only use data transmission port 16 to adjust through medical personnel to the regulation of medicine flow, injection time isoparametric to the effectual operation that has prevented patient's privately the adjusting parameter has improved the security performance greatly, the utility model discloses require protection be the cooperation relation between structure and each part.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An analgesic pump, comprising: the liquid storage tank comprises a main body (1), a liquid storage tank (2) is arranged in the main body (1), the liquid storage tank (2) comprises an annular protrusion (21) and a liquid storage cavity (25), a one-way valve (3) and a blocking piece (4) are arranged in the annular protrusion (21), the one-way valve (3) is located between the blocking piece (4) and the liquid storage cavity (25), a plug (5) is arranged at the end of the annular protrusion (21), a cavity (22) is formed between the plug (5) and the blocking piece (4), the cavity (22) and the liquid storage cavity (25) are communicated or blocked through the one-way valve (3), the plug (5) comprises a notch (54), and one end of the notch (54) is communicated with the outside of the main body (1) and the other end of the notch (54) is communicated with the cavity (22).

2. The analgesic pump of claim 1, wherein: the stopper (4) comprises an annular land (41), the annular land (41) facing the cut-out (54).

3. An analgesic pump as claimed in claim 2, wherein: a plurality of notches (42) are formed in the circumferential direction of the side face of the annular table (41).

4. An analgesic pump as claimed in claim 2, wherein: the check valve (3) comprises a valve core (31), the valve core (31) is moved to enable the cavity (22) to be communicated with or blocked from the liquid storage cavity (25), and the annular table (41) is opposite to the valve core (31).

5. An analgesic pump as claimed in claim 1, wherein: annular arch (21) inboard is equipped with first annular muscle (23), the first annular muscle (23) of check valve (3) tip butt, first annular muscle (23) inboard is equipped with through-hole (24), through-hole (24) and stock solution chamber (25) intercommunication.

6. The analgesic pump of claim 1, wherein: the plug (5) comprises a second annular rib (51), a boss (52) and a stand column (53), the second annular rib (51) abuts against the end of the annular protrusion (21), the boss (52) is inserted into the annular protrusion (21), a filling port (13) is formed in the side face of the main body (1), and the stand column (53) is inserted into the filling port (13).

7. The analgesic pump of claim 1, wherein: the side surface of the main body (1) is provided with a clamping plate (14).

8. An analgesic pump as claimed in claim 1, wherein: the main body (1) further comprises a display screen (12), a charging port (15) and a data transmission port (16).