CN215740981U - Analgesia and vomiting-arresting device - Google Patents

Abstract

The utility model provides an analgesic and antiemetic device, which comprises a hollow hose provided with a vein input tail end, a drug control middle end and a drug storage front end. The drug control middle end of the hollow hose comprises a one-way valve for separating the vein input end and the drug storage front end and a drug administration control element capable of controlling the opening and closing of the one-way valve. The analgesia syringe is provided with the one-way valve which can be opened and closed based on liquid pressure, can realize liquid separation in an unstressed state, ensures that a patient can accurately and manually control the self intention of the patient to finish injection amount when finishing analgesic liquid injection, ensures that the analgesia effect can be achieved for the patient, and simultaneously can avoid the problem of excessive injection caused by mechanical error.

Description

Analgesia and vomiting-arresting device

Technical Field

The utility model relates to the field of medical machinery, in particular to an analgesic and antiemetic device.

Background

For a long time, postoperative pain is considered a natural phenomenon and is inevitable, and is only silently tolerated. However, pain can be controlled by human intervention, and can be reduced or eliminated by medication or tools. Pain, an undesirable stimulus, can cause a series of pathophysiological changes in the body, such as effects on the body's autonomic nervous system: the heart rate is accelerated, the respiration is rapid, and the blood pressure is increased; the mental changes cause dysphoria and depression, and then affect the functions of the digestive system and the recovery of physical strength; endocrine and hormone influences directly and indirectly change various body functions, thereby influencing the treatment of injuries and diseases of patients. Intravenous analgesic pumps are widely used based on the control of pain.

Postoperative hospitalized patients have a 20% to 30% incidence of postoperative nausea and vomiting (PONV). PONV causes varying degrees of discomfort to patients, and severe cases can cause water, electrolyte imbalance, wound dehiscence, incisional hernia formation, aspiration, and aspiration pneumonia, which are important factors in the prolongation of patient hospitalization and increased medical costs. Based on the above, the analgesia pump can also add the antiemetic drug in the analgesia process, so that the postoperative inpatient can apply the antiemetic drug according to self-control of self-sensation, and the PONV of the patient is avoided.

Chinese patent publication No. CN206304187U discloses an analgesia pump current limiting device, including the analgesia pump to reach the liquid medicine pipe that links to each other with the analgesia pump, the liquid medicine pipe on establish ties and have a filter screen, the plane at filter screen place is mutually perpendicular with the axial of liquid medicine pipe, the filter screen is provided with a current limiting membrane in one side of analgesia pump, the top and the liquid medicine pipe of current limiting membrane are together fixed, the bottom of current limiting membrane is to analgesia pump one end slope, leave the clearance between the bottom of current limiting membrane and the liquid medicine pipe. The device realizes the change of the liquid flow rate from small to large through the inclined opening, but the opening and the closing are not controlled, the flow rate is controlled based on the inclined angle, and the inclined angle is fixed in the pipe and can not control the flow rate artificially. Based on this, chinese patent that publication number is CN211512931U provides an analgesia pump convenient to adjust, including analgesia pump main part, the display screen is installed to analgesia pump main part top one side, be provided with the couple fixed with analgesia pump main part in the middle of the display screen top, analgesia pump main part bottom is provided with the muddy sap cavity, the infusion tube is worn to be equipped with by muddy sap cavity top avris, the infusion tube is worn to be equipped with by muddy sap cavity top another avris, the push rod is all installed to infusion tube and infusion tube inside, push rod one end is fixed with the pressure head, infusion tube and infusion tube bottom all are equipped with the injection head that corresponds with the muddy sap cavity. The device realizes medicine injection flow rate control from the medicine storage end, but complex operation, multiple medicine injection needs medical personnel to know, and the patient can't select the dose to premix according to self condition.

To the purpose that the medicine got into the human body in the control tube, chinese patent publication No. CN211835631U discloses a novel automatic control analgesia pump, including analgesia pump body, be equipped with the automatic control button on the analgesia pump body, still including pressing receiving part and remote control automatic control portion, the independent setting of remote control automatic control portion presses the receiving part and locates on the analgesia pump body, and remote control automatic control portion can press the receiving part to press the automatic control button to press the operation by the remote control. The electronic control makes the patient unable to feel intuitively about the injected dose, the problem of too much or too little injection is easy to occur, and the cost of the application of the electronic device to the disposable liquid medicine device is too high.

Aiming at the problem of self-injection of analgesic liquid medicine patients, an analgesic and antiemetic device needs to be designed to solve the problem.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor has studied a lot of documents and patents when making the present invention, but the space is not limited to the details and contents listed in the above, however, the present invention is by no means free of the features of the prior art, but the present invention has been provided with all the features of the prior art, and the applicant reserves the right to increase the related prior art in the background.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an analgesic and antiemetic device which comprises a hollow hose provided with a vein input tail end, a drug control middle end and a drug storage front end. The vein input end of the hollow hose is provided with a vein needle for inputting the liquid medicine in the hollow hose into the vein of the human body. The front end of the hollow hose for storing the medicine is provided with a saccule which is communicated with the hollow hose and is used for storing the medicine liquid. The drug control middle-end of cavity hose contains the check valve of separating terminal and medicine storage front end of vein input and can control the control element that doses that the check valve opened and shut, wherein, the check valve contain with cavity hose inner wall connection's sealing ring, cover sealing ring hollow portion's gasket and the first connecting piece of connecting sealing ring and gasket, the sealing ring is provided with the annular gasket that can adsorb the gasket according to the mode that can contradict with the gasket and be connected messenger check valve can separate the inside liquid circulation of cavity hose.

According to a preferred embodiment, the annular gasket can be a magnetic rubber ring.

According to a preferred embodiment, the sealing disc can be a sheet made partly or entirely of a magnetically attractable medical metal or magnetic plastic material.

According to a preferred embodiment, the first connecting piece comprises a rotating shaft capable of enabling the sealing sheet to be opened and closed in the hollow hose in a single direction, and a rotation resisting spring, wherein two ends of the rotating shaft are respectively connected with the sealing ring and the sealing sheet, so that the sealing sheet can be automatically reset based on the retraction of the spring.

According to a preferred embodiment, one side of the sealing plate is moved from a position abutting against the sealing ring toward the vein input end when receiving an external force based on a unidirectional rotation action of the rotation shaft in such a manner that the medical fluid flowing toward the vein input end passes through the one-way valve.

According to a preferred embodiment, the administration control member is provided as a hose expression in a manner that enables the one-way valve to open when squeezed by fluid to allow fluid to pass through the one-way valve.

According to a preferred embodiment, the hose extrusion can be an annular drug reservoir communicating with the hollow hose.

According to a preferred embodiment, the balloon comprises a first balloon for storing an analgesic drug and a second balloon for storing an anti-emetic drug.

According to a preferred embodiment, the first balloon and the second balloon are respectively provided with a drug inlet port to which a drug can be added.

The utility model has the beneficial technical effects that: the analgesia and antiemetic device provided by the utility model is provided with the one-way valve which can be opened and closed based on liquid pressure, can realize liquid separation in an unstressed state, ensures that a patient can accurately control the self intention of the patient to finish injection amount when finishing injection of analgesic liquid medicine, ensures that the patient can achieve analgesia effect, and simultaneously can avoid excessive injection caused by mechanical error;

(1) the arrangement of a plurality of medicine storage bags ensures that the targeted treatment and relief of various symptoms of patients, such as vomit, pain and the like, are ensured;

(2) the flexible medicine storage bag of the medicine feeding control element can integrate two functions of medicine mixing and liquid flow control, and has simple structure and operation and low cost;

(3) the one-way valve with excellent sealing performance is arranged, so that the analgesic pump can allow the liquid medicine to enter the intravenous injection liquid through the intravenous needle when being subjected to external force, the flow rate of the liquid medicine is increased through the extruded administration control element, the extrusion force generated by the increase of the flow rate opens the one-way valve and allows the analgesic liquid medicine to enter the intravenous injection end, and the artificial control of the analgesic liquid medicine is realized;

(4) the magnetic annular gasket is arranged, so that the sealing sheet can be tightly attached to the sealing ring when the check valve is closed, the sealing effect is achieved, and accordingly the analgesic liquid medicine is prevented from entering the vein end.

Drawings

FIG. 1 is a structural frame diagram of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of the construction of the check valve of the present invention;

FIG. 4 is a schematic illustration of the opening and closing of another embodiment of the check valve;

FIG. 5 is a schematic structural view of another embodiment of a check valve;

FIG. 6 is a schematic structural view of a dose control member of the present invention;

FIG. 7 is a schematic diagram of the bypass configuration of the present invention;

FIG. 8 is a schematic view of the connection of the administration control member of the present invention.

List of reference numerals

100: hollow hose 110: front end of medicine storage

111: first balloon 112: second balloon

113: the containing bag 120: drug control middle

121: administration control element 1211: annular medicine storage bag

122: check valve 1221: sealing ring

1222: sealing sheet 1223: first connecting piece

1224: annular gasket 130: vein input terminal

131: the intravenous needle 140: medicine inlet

150: transfer inlet 1225: fluid passage

1126: an inlet port 1127: shielding piece

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

The utility model is designed based on the analgesic pump in the prior art, and the micro-osmosis effect of the drug delivery end of the pump through a macromolecular osmotic membrane can be applied to the utility model. The present invention provides an analgesic and antiemetic device, comprising a hollow hose 100 provided with a vein input end 130, a drug control middle end 120 and a drug storage front end 110. The vein input end 130 of the hollow tube 100 is provided with a vein needle 131 for inputting the medical fluid inside the hollow tube 100 into a vein of a human body. The drug storage tip 110 of the hollow hose 100 is provided with a balloon for storing a drug solution, which communicates with the hollow hose 100, as shown in fig. 1. The medication control middle end 120 of the hollow hose 100 includes a one-way valve 122 for partitioning the vein input end 130 and the medication storage front end 110, and a medication administration control member 121 for controlling the opening and closing of the one-way valve 122, as shown in fig. 2, wherein the one-way valve 122 includes a sealing ring 1221 connected to an inner wall of the hollow hose 100, a sealing sheet 1222 for covering a hollow portion of the sealing ring 1221, and a first connecting member 1223 for connecting the sealing ring 1221 and the sealing sheet 1222, and the sealing ring 1221 is provided with a ring-shaped gasket 1224 capable of adsorbing the sealing sheet 1222 in such a manner that the sealing ring 1221 can be in interference connection with the sealing sheet 1222 to allow the one-way valve 122 to block the liquid flow inside the hollow hose 100, as shown in fig. 3. The venous access tip 130 is used to connect to a venous line and the venous needle 131 of the venous access tip 130 can be used to insert a rubber closure of the venous line. Preferably, the hollow hose 100 can be a transparent medical plastic tube. Drug storage front end 110 can be provided with a plurality of partitioned drug storage spaces based on prior art micro-infiltration, which can exist in a balloon form.

According to a preferred embodiment, the annular gasket 1224 can be a magnetic rubber ring. The rubber ring can achieve the sealing effect between the sealing ring 1221 and the sealing plate 1222. The flexible gasket is arranged so that the sealing plate 1222 can be rebounded due to the elastic action of the flexible material after abutting against the sealing ring 1221, thereby affecting the closing of the one-way valve 122. The ring-shaped washer 1224 is provided with a magnetic material so that it can attract the sealing plate 1222 and prevent the sealing plate 1222 from moving due to bouncing based on the elastic force of the washer, thereby achieving the purpose of helping the sealing ring 1221 attract the sealing plate 1222.

According to a preferred embodiment, the sealing tab 1222 can be a thin sheet made partially or entirely of a magnetically attractable medical metal or magnetic plastic material. To ensure that the magnetic ring gasket 1224 can attract the sealing tab 1222, the sealing tab 1222 should be provided with the same grade of magnetic or metallic material that is magnetically attracted.

According to a preferred embodiment, the first connection member 1223 comprises a rotating shaft capable of opening and closing the sealing plate 1222 in one direction in the hollow hose 100 and a rotation blocking spring having both ends connected to the sealing ring 1221 and the sealing plate 1222, respectively, to allow the sealing plate 1222 to be automatically reset based on the retraction of the spring. The maximum elastic range of the rotation blocking spring can satisfy the condition that the sealing piece 1222 is opened and closed to completely expose the flow passage 1225 of the sealing ring 1221. The maximum exposed area of the fluid passage 1225 can be such that the solution passing therethrough can flow without interference from the sealing disk 1222.

According to a preferred embodiment, the non-return valve 122 can also be provided with an outer ring positioned in connection with a sealing ring 1221, in the middle of which a sealing disc 1222 of an inlet 1226 is provided, allowing the flow of liquid, as shown in fig. 4. The access opening 1226 in the middle of the sealing piece 1222 is formed by two overlapping flexible shielding pieces 1227. The shielding pieces 1227 are large and small, and the large shielding piece 1227 covers the small shielding piece 1227. Two faces of the shielding pieces 1227 close to each other are provided with an adsorbing member such as a magnet capable of achieving close connection of the shielding pieces 1227 based on a magnetic adsorption effect, or the two shielding pieces 1227 are made of a magnetic material such as magnetic rubber capable of adsorbing each other. The magnetic attraction effect can ensure that the shielding pieces 1227 are not separated when the liquid is impacted reversely. The liquid reverse impact refers to the direction in which the liquid impacts the large shutter 1227, as shown in fig. 5. When no external force is applied to the check valve 122, the shielding pieces 1227 interfere with each other to close the check valve 122. When the check valve 122 is impacted by an external force, such as a flow of liquid, the flaps 1227 separate from each other, providing access 1226 to the flow of liquid.

According to a preferred embodiment, one side of the sealing sheet 1222 is moved toward the vein input terminal 130 from a position where it interferes with the sealing ring 1221 when it receives an external force based on a one-way rotation action of the rotation shaft in such a manner that the medical fluid flowing toward the vein input terminal 130 can pass through the one-way valve 122. The one-way valve 122 achieves control of one-way flow of fluid by virtue of the sealing tab 1222 being able to only rely on fluid flow to the intravenous input end 130 to achieve movement.

According to a preferred embodiment, the administration control member 121 is provided as a hose expression in a manner that enables the one-way valve 122 to open when squeezed by fluid to allow fluid to pass through the one-way valve 122. Based on the problem that the patient is difficult to get up and adjust when inputting the self-control analgesic and antiemetic drugs, one end of the drug storage bag is controlled by the patient, placed beside the hand of the patient and the other end of the drug storage bag is arranged outside the drug storage bag, so that the patient can not move to extrude the drug storage bag through the real-time synchronous actions at the two ends when the patient controls the drug administration control element 121. The extrusion can be constructed the same as that of chinese patent No. CN 211704497U. Preferably, the administration control member 121 can also be a branch having upper and lower ends respectively communicating with the main passage (hollow hose 100), as shown in fig. 7, and the branch is provided with a pressing balloon having upper and lower ends communicating with the same side of the main passage through a communication line. The setting through branch road extrusion ball makes it can not influence the liquid velocity of flow of hollow hose 100 through guaranteeing the same diameter setting of hollow hose 100 when receiving patient's extrusion control, can also make medical personnel add the medicine temporarily.

According to a preferred embodiment, the hose extrusion can be an annular drug storage bladder 1211 that communicates with the hollow hose 100, as shown in fig. 6. The medicine storage bag is used for providing a space for mixing the liquid medicine and can store the liquid medicine. When the medicine storage bag is squeezed, the internal medicine liquid can be discharged to the two ends of the hollow hose 100 to be squeezed, so that the flow rate of the liquid in the hollow hose 100 is increased, and the liquid can open the one-way valve and enter the vein input terminal 130. Preferably, the drug reservoir can be annular, so that the pressing area can be provided to the user in an ergonomic manner. When the user uses the medicine storage bag, the user can discharge the liquid based on the pressing of at least two fingers, and the two fingers are oppositely arranged, so that the design of the medicine storage bag at one side can only respond to the acting force of one finger, and the annular medicine storage bag 1211 can respond to all the fingers for squeezing at various angles, thereby achieving the maximum squeezing effect.

According to a preferred embodiment, the balloon comprises a first balloon 111 for storing an analgesic drug and a second balloon 112 for storing an anti-emetic drug. The analgesic scheme in the prior art is that an analgesic drug and an antiemetic drug are mixed and placed, and the continuous infusion of the antiemetic drug causes low blood concentration, so that the analgesic effect is not as good as that of single administration. Based on this, the utility model arranges the storage and administration of the anti-emetic drug and the analgesic drug in the two branches respectively. Each sacculus end is connected with a branch hose, and the branch hoses are connected together to form a hollow hose 100. The structure in the balloon is the same as that used for storing medicines in the prior art, wherein the first balloon 111 and the second balloon 112 are respectively provided with a medicine inlet 140 capable of adding medicines. The balloon is internally provided with a buckle which can rebound after being pressed and can be of a spring structure and the like made of elastic materials. As shown in fig. 8, the branch lines can be provided to the same administration control member 121 and the check valve 122 as the main line. The administration control element 121 is arranged at one side of the branch hose close to the balloon, and the one-way valve 122 is arranged at one side of the branch hose far away from the balloon, namely, the administration control element 121 is arranged between the one-way valve 122 on the branch hose and the medicine inlet 140. Through the setting, each branch hose for placing the analgesic drug and the anti-emetic drug can be independently controlled by the patient, and the patient can independently control the drugs by taking vomit and pain as two negative feelings respectively when selecting the needed drugs according to the self-feeling. Preferably, the branch hoses of the first balloon and the second balloon can be provided with a drug control middle end 120 for enabling a patient to automatically add drugs, so that the addition of drugs into the intravenous injection after the drugs are independently added and mixed is controlled by the patient. The balloon for storing analgesia can be set to be 100ml in volume, and the balloon for storing analgesia can be set to be 20-50 ml in volume. The volume of the administration control element 121 for storing and mixing both can be 1-2 ml, so that the single compression analgesia and antiemetic can be only injected intravenously into a human body by 1-2 ml, the medicine can be ensured to be injected intravenously at proper dosage and proper time intervals, and the low-efficiency analgesia and antiemetic caused by excessive dosage or the uncomfortable feeling of a patient can be caused.

A drug inlet port 140 is provided in a branch hose with the or each balloon to facilitate injection of the individual drugs. The hollow hose 100 is provided with a transfer inlet 150 to which a pump is connected. Based on the requirements of the patient, the medicine can be injected into the human body through the pressing of the patient or the control of an electronic element. The analgesic and antiemetic device further includes a bag 113 capable of accommodating the balloon, and the bag 113 is hung on the hook by a pull ring at the top end thereof.

In the use process of the utility model, firstly, an anaesthetist adds a proper dosage of medicament into the balloon, and then extracts the air in the balloon. The balloon branches are connected to the hollow hoses 100, respectively. Optionally connected to the pump via a transfer port 150 and pump parameter adjustments made. The intravenous tubing is then connected to the intravenous tubing via the intravenous end 130 of the hollow flexible tube 100. The infusion of the drug is accomplished by holding the administration control member 121 when the patient needs to add the analgesic or anti-emetic depending on the current physical condition.

It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the utility model. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims (10)

1. An analgesic and antiemetic device comprises a hollow hose (100) provided with a vein input end (130), a drug control middle end (120) and a drug storage front end (110),

the drug control middle end (120) of the hollow hose (100) is provided with a one-way valve (122) separating the venous input end (130) and the drug storage front end (110), wherein,

the check valve (122) includes a sealing ring (1221) and a sealing piece (1222), and the sealing ring (1221) is provided with a ring-shaped gasket (1224) capable of adsorbing the sealing piece (1222) so as to be capable of being in interference connection with the sealing piece (1222) and to block the liquid flow inside the hollow hose (100) by the check valve (122).

2. The analgesic and antiemetic device of claim 1, wherein said annular gasket (1224) can be a magnetic rubber ring.

3. The analgesic and antiemetic device according to claim 2, wherein said sealing sheet (1222) can be a sheet partially or entirely made of a magnetically attractable medical metal or magnetic plastic material.

4. The analgesic and antiemetic device according to claim 3, characterized in that said one-way valve (122) is provided with a first connection (1223) connecting said sealing ring (1221) and sealing plate (1222), said first connection (1223) comprising a rotation shaft enabling the sealing plate (1222) to be opened and closed unidirectionally in said hollow hose (100) and a rotation-blocking spring connecting said sealing ring (1221) and said sealing plate (1222) at both ends, respectively.

5. The analgesic and antiemetic device according to claim 4, wherein one side of said sealing sheet (1222) moves from a position where it abuts against the sealing ring (1221) toward said intravenous administration end (130) when it receives an external force based on a one-way rotation action of a rotation shaft in such a manner that the drug solution flowing toward said intravenous administration end (130) can pass through said one-way valve (122).

6. The analgesic and antiemetic device according to claim 5, wherein the medication control tip (120) is further provided with a medication administration control member (121) capable of controlling the opening and closing of a one-way valve (122), the medication administration control member (121) being provided as a hose expression in such a manner that the one-way valve (122) opens when squeezed by fluid to allow the fluid to pass through the one-way valve (122).

7. The analgesic and antiemetic device according to claim 6, wherein said hose extrusion can be an annular drug reservoir (1211) in communication with said hollow hose (100).

8. The analgesic and antiemetic device according to claim 7, wherein the drug storage tip (110) is provided with a balloon for storing a drug solution in communication with the hollow tube (100).

9. The analgesic and antiemetic device according to claim 8, wherein the vein input terminal (130) is provided with a vein needle (131) for inputting the drug solution inside the hollow tube (100) into a vein of a human body.

10. The analgesic and antiemetic device according to claim 9 further comprising a containment bag (113) capable of containing the balloon, said containment bag (113) being capable of being hung on a hook based on a pull ring at its top end.

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