CN112999474A

CN112999474A - Medical intravenous injection auxiliary device

Info

Publication number: CN112999474A
Application number: CN202110203352.7A
Authority: CN
Inventors: 李昊洋
Original assignee: Individual
Current assignee: Nanjing Yingyuan Technology Co ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2021-06-22
Anticipated expiration: 2038-12-14
Also published as: CN109621101B; CN109621101A; CN112999475A; CN112999475B; CN112999474B

Abstract

A medical intravenous injection auxiliary device comprises a hand supporting device and a skin stimulation device arranged on the hand supporting device through a connecting piece, wherein the hand supporting device comprises a supporting seat, a supporting plate extends upwards from the supporting seat, and a hand supporting rod is horizontally arranged at the upper end of the supporting plate; the skin stimulation device is in a cuboid shape, the interior of the skin stimulation device comprises a plurality of massage pieces which are contacted with the skin to generate stimulation, and the lower end of the skin stimulation device is provided with a plurality of massage holes for the massage heads of the massage pieces to extend out; the connecting piece comprises an elastic connecting band and a lock button matched with the connecting band, and the skin irritation interference device at least comprises a main body, a supporting body, a power piece and a massage piece. The device contacts skin at a certain rhythm and action to generate stimulation interference effect, and intermittently lightly touches the skin to relax the patient's mind and disperse the patient's attention to the needle insertion part, thereby relieving pain.

Description

Medical intravenous injection auxiliary device

The application is a divisional application with the application number of 201811531261.0, application date of 2018, 12 and 14, and the invention name of "a medical intravenous injection auxiliary device".

The technical field is as follows:

the invention relates to the field of medical instruments, in particular to a medical intravenous injection auxiliary device.

Background art:

intravenous injection is a common medical procedure and is a routine nursing technique that clinical care personnel must master. Medical care personnel repeatedly operate in the practice of clinical care work so as to grasp the skill of venipuncture needle insertion. The nurse with rich experience and mature skills can effectively relieve the pain of the patient in the process of inserting the needle, can also improve the working efficiency, improve the satisfaction of the patient and reduce doctor-patient disputes.

When a back of hand is punctured for needle insertion, the hands or the whole body of a patient are trembled and even a needle sickness condition is caused due to excessive tension, which brings difficulty for clinical medical staff to smoothly carry out intravenous injection. Clinical medical staff can firstly know the general condition of a patient, evaluate the psychological condition of the patient, spend a little time to calmly pacify the patient and recover the tension of the patient. But partial patients' attention can focus on the pain when injecting more, and the fear of the inner is on the contrary stronger and stronger, and proper measures are taken to disperse the attention of the patients to the infusion part, so that the pain can be effectively reduced, the fear of injecting the needle is reduced, and the rehabilitation of the patients is facilitated.

The number of people waiting for transfusion in line increases dramatically every year in influenza periods, especially in large hospitals, and the stress of clinical nurses is thought to be large due to the stress of patients. Especially for younger children, the crying and screaming of children often causes the pain of family members and medical care personnel, and the medical care personnel are distracted by the uncomfortable body and the fear of the needle insertion in mind. And the household members can take compulsory measures to force the children to accept the injection, thereby further increasing the fear of the children to the intravenous injection transfusion.

The invention content is as follows:

the invention provides a medical intravenous injection auxiliary device, which solves the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a medical intravenous injection auxiliary device comprises a hand supporting device and a skin stimulation device arranged on the hand supporting device through a connecting piece, wherein the hand supporting device comprises a supporting seat, a supporting plate extends upwards from the supporting seat, and a hand supporting rod is horizontally arranged at the upper end of the supporting plate; the skin stimulation device is in a cuboid shape, the interior of the skin stimulation device comprises a plurality of massage pieces which are contacted with the skin to generate stimulation, and the lower end of the skin stimulation device is provided with a plurality of massage holes for the massage heads of the massage pieces to extend out.

The device simple structure, small in size makes things convenient for medical personnel to carry and is used for clinical application. When the hand intravenous injection is carried out, the palm of a patient can be placed on the hand supporting rod to be stretched or clenched, the hand of the patient is powerfully supported, and the tension of the patient can be relieved. Mainly without influencing the venipuncture needle insertion, the skin stimulation device is adjusted to ensure that the massage head of the massage piece contacts the skin of the wrist of a human body to generate stimulation, thereby dispersing the attention of a patient to an injection part and relieving the pain.

Preferably, the supporting plate is arranged on the supporting seat as a single piece, the connecting member includes a fixed tube mounted on the supporting seat and an adjusting tube with one end rotatably connected in the fixed tube, and the other end of the adjusting tube is inserted into the connecting end on one side of the skin stimulation device. The device in this technical scheme, can be as required, the angle of adjustment pipe is adjusted, makes skin stimulation device be in on the suitable position.

As another preferred scheme, the connecting piece comprises an elastic connecting band and a locking button matched with the connecting band, the two support plates are symmetrically arranged on the support seat, one end of the connecting band is fixed on one support plate, the locking button is fixed on the other support plate, the other end of the connecting band is provided with a locking hole, the locking button comprises two T-shaped locking blocks, the upper locking block and the lower locking block are rotatably connected, and the lower locking block is in threaded connection with the corresponding support plate; the keyhole of the connecting band is buckled into the groove between the two locking blocks from the upper locking block and clamped, and the upper locking block is horizontally rotated to be vertical to the lower locking block. According to the device in the technical scheme, the locking positions of the connecting belt and the locking button can be adjusted as required, so that the skin stimulation device is positioned at a proper position.

As an improvement to one or both of the above preferred aspects, the skin irritation disturbing means further comprises: the massage device comprises a main body, a massage hole and a massage cover, wherein the main body comprises an open accommodating body and a sealing cover matched with the opening of the accommodating body and used for sealing the accommodating body, and the massage hole is formed in the lower end of the accommodating body; the supporting body is a rectangular plate installed in the accommodating body, a limiting groove is formed in the center of the supporting body, and mounting holes for mounting the massage pieces are uniformly distributed around the limiting groove at two ends of the supporting body; the massage piece includes a tube-shape colloidal silica body, and the tube-shape colloidal silica body is fixed in the mounting hole, passes a massage body in the cavity of tube-shape colloidal silica body, and the lower extreme of the massage body is fixed with the massage head, the upper end of the massage body is connected with the one end of a spring, and the other end and the press cover of spring are connected, the upper end week lateral part of press cover with the upper end veneer of tube-shape colloidal silica body, the massage piece sets up to a plurality ofly.

According to the device in the technical scheme, the skin stimulation device is pressed to slightly press the skin of the patient in a point contact mode, the stress of the patient can be relieved by the point contact type pressing mode, the attention of the patient to an injection part is dispersed, and the pain of the patient during acupuncture is relieved.

As a first optimization of the above improvement, the skin stimulation device further comprises a power member, wherein the power member comprises a coil spring component and a cam disc, the coil spring component comprises a coil spring box, a coil spring pile and a coil spring shaft, the inner end of the coil spring is fixed on the coil spring pile, the outer end of the coil spring is fixed on the coil spring box, the coil spring box is clamped on the sealing cover, the coil spring shaft is in interference fit with a central hole of the coil spring pile, one end of the coil spring shaft is connected with the cam disc through a one-way bearing, the other end of the coil spring shaft extends out of the coil spring box and the sealing cover is sleeved with a butterfly-shaped upper chord device, the lower end surface shaft of the cam disc is matched with the inner ring of the bearing, and the; a tray for supporting the end face of the bearing outer ring is arranged in the middle of the accommodating body; the curve contour at the lower end of the cam disc is contacted with the upper end surface of the pressing cover to form a high pair; the cam disk acts simultaneously on at least two press caps and presses down the press caps.

As a second optimization of the above improvement, the skin stimulation device further comprises: the power part comprises a micro motor, a gear pair and a cam disc, the gear pair comprises a driving bevel gear connected with an output shaft of the micro motor and a driven bevel gear meshed with the driving bevel gear, the cam disc is fixedly connected with a transmission shaft of the driven bevel gear, an end surface shaft of the cam disc is matched with an inner ring of the bearing, and an outer ring of the bearing is matched with the limiting groove; the fixing piece comprises a top plate and side plates, the upper ends of the side plates are clamped on the two sides of the top plate, and a motor groove for fixing the micro motor is formed in the top plate; a battery jar is also arranged on the top plate; the rechargeable battery is clamped in the battery jar, and the PCB is arranged on the support body; the accommodating body is provided with a USB charging interface and a button switch, the lower end of the accommodating body is provided with a damping tray for supporting the end face of the outer ring of the bearing, the inner peripheral side of the accommodating body is provided with an edge strip lapped with the supporting body, and the lower end of the side plate is abutted against the supporting body; the curve contour at the lower end of the cam disc is contacted with the upper end surface of the pressing cover to form a high pair; the cam disk acts simultaneously on at least two press caps and presses down the press caps.

As a third optimization of the above improvement, the skin stimulation device further comprises: the power part comprises a micro motor and a semicircular cam, and an output shaft of the micro motor is connected with the semicircular cam; a battery jar is also arranged on the fixing plate, and the lower end of the fixing plate is abutted to the pressing cover; the accommodating body is provided with a motor groove for fixing the micro motor; the rechargeable battery is clamped in the battery groove; the accommodating body is further provided with a USB charging interface and a button switch, and the lower end of the accommodating body is provided with a metal disc. The hand bracing piece outside covers there is the metal casing, and when metal casing and metal disc intercommunication, metal casing, metal disc, rechargeable battery, button switch and micro motor pass through the wire and form power supply loop.

In the three technical schemes, the skin stimulation device contacts the skin at a certain rhythm and action to generate stimulation interference effect, intermittently and slightly contacts the skin to stimulate epidermal nerves of the skin, the comfortable feeling enables the patient to relax the mood, and the attention of the patient to the needle insertion part is dispersed, so that the pain feeling is relieved.

As a preferable scheme of the invention, the bottom of the supporting seat is adhered with a non-slip mat. Partial patients may have a tendency of drawing hands backwards due to pain during the acupuncture, and the reliable auxiliary facilities can help the patients to carry out positive self psychological suggestion, so that the fear of the acupuncture is eliminated.

Description of the drawings:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is an exploded view of a portion of the structure of fig. 2.

Fig. 4 is an exploded view of a skin stimulation device according to an embodiment of the present invention.

Fig. 5 is an exploded view of the massage member and support plate of fig. 4.

Fig. 6 is a schematic structural view of the massage member of fig. 4.

Fig. 7 is a schematic structural view of the fixing member and the power member in fig. 4.

Fig. 8 is an exploded view of a skin stimulation device according to a second embodiment of the present invention.

Fig. 9 is an exploded view of a skin stimulation device according to a third embodiment of the present invention.

In the figure, 1, a hand supporting device, 11, a supporting seat, 12, a supporting plate, 13, a hand supporting rod, 14 and a metal shell;

2. skin stimulation device, 211, a containing body, 212, a sealing cover, 213, a USB charging interface, 214, a button switch, 215, a tray, 216, a massage hole, 217, a metal disc, 218, a motor groove, 22, a supporting body, 221, a rectangular plate, 222, a limiting groove, 23, a massage piece, 231, a silicon body, 232, a massage body, 233, a massage head, 234, a spring, 235, a pressing cover, 24, a power piece I, 241, a micro motor, 242, the device comprises a driving bevel gear, 243, a driven bevel gear, 244, a cam disc, 245, a bearing, 25, a fixing piece, 251, a top plate, 2511, a battery groove, 2512, a motor groove, 252, a side plate, 26, a power piece II, 261, a micro motor, 262, a semicircular cam, 27, a power piece III, 271, a coil spring, 272, a coil spring pile, 273, a coil spring shaft, 274, a coil spring box, 275, a cam disc, 276, a bearing, 277, a butterfly winding device, 28 and a fixing plate;

3. the connecting piece I, 31, the adjusting pipe 32 and the fixing pipe;

4. and the second connecting piece 41, the connecting band 411, the clamping groove 412, the keyhole 413, the rubber sleeve 42, the locking button 421, the upper locking block 422 and the lower locking block.

The specific implementation mode is as follows:

in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, the medical intravenous injection aid in the present embodiment includes a hand support device 1 and a skin stimulation device 2, which are connected by a first connecting member 3. Wherein, hand strutting arrangement 1 includes supporting seat 11, upwards extend on supporting seat 11 and have a backup pad 12, the upper end horizontal installation of backup pad 12 has hand support pole 13, the bottom of supporting seat 11 is stained with the slipmat, connecting piece 3 is including fixed pipe 32 and control tube 31, fixed pipe 32 is installed on supporting seat 11, the one end of control tube 31 is rotated and is connected in fixed pipe 32, the other end of control tube 31 is pegged graft with the link of 2 one sides of skin stimulation device, make skin stimulation device 2 fix on control tube 31.

Referring to fig. 4 to 7, the skin stimulation device 2 in the present embodiment has a rectangular parallelepiped shape, and includes a main body, a support body 22 located in the main body, a first power member 24, and a plurality of massage members 23. Specifically, the method comprises the following steps:

the main body includes an open-ended receiving body 211 and a cover 212 coupled to the open-ended receiving body 211 to close the receiving body 211, and a massage hole 216 is formed at a lower end of the receiving body 211 for the massage member 23 to protrude. The supporting body 22 is a rectangular plate 221 installed in the accommodating body 211, a limiting groove 222 is provided in the center of the supporting body 22, and mounting holes for mounting the massage members 23 are uniformly arranged around the limiting groove 222 at both ends of the supporting body 22. The massage member 23 includes a cylindrical silicon body 231, the cylindrical silicon body 231 is fixed in the mounting hole of the support 22, the cylindrical silicon body 231 has an elastic thin wall and a cavity, a massage body 232 passes through the cavity of the cylindrical silicon body 231, a massage head 233 stimulating the skin is fixed at the lower end of the massage body 232, the upper end of the massage body 232 is connected with one end of a spring 234, the other end of the spring 234 is connected with a pressing cap 235, and the peripheral side part of the upper end of the pressing cap 235 is glued with the upper end of the cylindrical silicon body 231.

The first power part 24 comprises a micro motor 241, a gear pair and a cam disc 244, wherein the gear pair comprises a driving bevel gear 242 connected with an output shaft of the micro motor 241 and a driven bevel gear 243 meshed with the driving bevel gear 242, the cam disc 244 is fixedly connected with a transmission shaft of the driven bevel gear 243, an end surface shaft of the cam disc 244 is matched with an inner ring of a bearing 245, and an outer ring of the bearing 245 is matched with the limiting groove 222. The curve contour at the lower end of the cam plate 244 contacts with the upper end surface of the pressing cover 235 to form a high pair; the cam disk 244 can simultaneously act on at least two pressing caps 235 and press down the pressing caps 235 when rotating.

The fixing member 25 includes a top plate 251 and a side plate 252, the upper end of the side plate 252 is clamped on both sides of the top plate 251, and the top plate 251 is provided with a motor groove 2512 and a battery groove 2511; the rechargeable battery is caught in the battery case 2511, and the PCB board is disposed on the support body 22.

The USB charging interface 213 and the push button switch 214 are provided at corresponding positions on the housing 211, the damper tray 215 supporting the outer ring end face of the bearing 245 is provided at the middle portion of the lower end of the housing 211, the inner ring of the housing 211 is provided with a rim overlapping the support 22, and the lower end of the side plate 252 abuts against the support 22.

Medical personnel check to carry out patient information and liquid medicine, the transfusion system of back of the hand intravenous route, communicate with the patient, arrange its position, and the patient places the palm on hand bracing piece 13, and the patient keeps according to doctor's advice hand and stands and stretch or the state of making a fist. The medical staff adjusts the skin stimulation device 2 to the joint of the back of the hand and the wrist, mainly without affecting the puncture. The push-button switch 214 is pressed down, the micro motor 241 is started, the gear pair rotates to drive the cam disc 244 to rotate, the curve contour of the cam disc 244 contacts and presses down a part of the pressing cover 235, the cylindrical silicon body 231 is compressed, the spring 234 is compressed to store energy, the massage body 232 moves downwards, and the massage head 233 contacts and slightly presses the skin at a certain position; with the rotation of the cam disc 244, the cam disc 244 is gradually separated from the pressing cover 235, the pressing cover 235 gradually and automatically resets under the action of the spring 234, and the cylindrical silicon rubber 231 can automatically reset due to the material property thereof; while the other part of the pressing cover 235 is contacted with the cam disc 244 and slightly pressed downwards, and the other part of the skin is slightly pressed in a point contact way, so that the intermittent point contact type pressing mode is comfortable for the patient, and part of the patient has a crisp feeling, and the tension of the patient can be relieved.

The cam disk 244 actuates the massage member 23 at a certain rhythm, the massage head 233 contacts the skin to generate a stimulating action, the patient's mind is relaxed, the patient's attention to the needle insertion site is dispersed, the pain feeling is relieved, and the intermittent slight point-contact stimulation mode does not move the blood vessel, so the puncture needle insertion is not affected.

Example two:

referring to fig. 2 to 3, the medical intravenous injection aid in the present embodiment includes a hand support device 1 and a skin stimulation device 2, which are connected by a second connecting member 4. The hand supporting device 1 comprises a supporting seat 11, two supporting plates 12 are symmetrically arranged on the supporting seat 11, a hand supporting rod 13 is horizontally arranged at the upper end of each supporting plate 12, an anti-slip pad is adhered to the bottom of the supporting seat 11, a connecting piece II 4 comprises an elastic connecting band 41 and a locking button 42 matched with the connecting band 41, one end of the connecting band 41 is fixed on the supporting plate 12 on one side of the supporting seat 11, a locking hole 412 is formed in the other end of the connecting band 41, the locking button 42 comprises two T-shaped locking blocks, an upper locking block 421 is rotatably connected with a lower locking block 422, and the lower locking block 422 is in threaded connection with the corresponding supporting plate 12; the keyhole 412 of the connecting band 41 is buckled from the upper lock block 421 and clamped in the groove between the two lock blocks, and the connecting band 41 can be clamped by horizontally rotating the upper lock block 421 to be perpendicular to the lower lock block 422. The skin stimulation device 2 is clamped in the clamping groove 411 of the connecting band 41, and a matched rubber sleeve 413 is arranged between the skin stimulation device and the connecting band for firm clamping.

Referring to fig. 8, the skin stimulation device 2 in the present embodiment is a rectangular parallelepiped, and includes a main body, a support body 22, a second power element 26, a fixing plate 28, and a plurality of massage elements 23. Specifically, the method comprises the following steps:

the main body comprises an open-ended containing body 211 and a cover 212 which is matched with the opening of the containing body 211 and is used for closing the containing body 211, and a massage hole 216 is arranged at the lower end of the containing body 211 and is used for the massage piece 23 to extend out. The supporting body 22 is a rectangular plate 221 installed in the accommodating body 211, a limiting groove 222 for limiting the metal disc 217 is formed in the center of the supporting body 22, and mounting holes for mounting the massage members 23 are uniformly arranged around the limiting groove 222 at both ends of the supporting body 22. The massage part 23 comprises a cylindrical silicon colloid 231, the cylindrical silicon colloid 231 is fixed in the mounting hole of the support body 22, a massage body 232 passes through the cavity of the cylindrical silicon colloid 231, a massage head 233 is fixed at the lower end of the massage body 232, the upper end of the massage body 232 is connected with one end of a spring 234, the other end of the spring 234 is connected with a pressing cover 235, and the peripheral side part of the upper end of the pressing cover 235 is glued with the upper end of the cylindrical silicon colloid 211; the massage members 23 are provided in six. The second power part 26 comprises a micro motor 261 and a semi-circular cam 262, and an output shaft of the micro motor 261 is connected with the semi-circular cam 262 to form an eccentric motor. The fixing plate 28 is provided with a battery container, and the lower end of the fixing plate 28 abuts against the pressing cap 235 to restrict the vertical movement of other components in the accommodating body 211.

The accommodating body 211 is provided with a motor groove 218 for fixing the micro motor 261; the rechargeable battery is clamped in the battery jar; the accommodating body 211 is provided with a USB charging interface 213 and a button switch 214, and the lower end of the accommodating body 211 is provided with a metal disc 217. The metal shell 14 is covered on the outer side of the hand support rod 13, the hand support rod 13 is held by the palm of a human body, the back of the hand contacts the metal disc 217, the metal shell 14 is communicated with the metal disc 217, and the metal shell 14, the metal disc 217, the rechargeable battery, the button switch 214 and the micro motor 261 form a power supply loop through wires.

Medical personnel check patient information and liquid medicine, transfusion system, communicate with the patient, arrange its position, and the patient places the palm on hand bracing piece 13, and the patient keeps the hand to put down according to the doctor's advice or is the state of making a fist. The medical staff adjusts the skin stimulation device 2 to the joint of the back of the hand and the wrist, buckles the appropriate keyhole 412 on the connecting band 41 into the groove between the upper lock block 421 and the lower lock block 422, then horizontally rotates the upper lock block 421 to be perpendicular to the lower lock block 422, and the two ends of the connecting band 41 are fixed. When the push button switch 214 is pressed, since the palm of the patient holds the metal shell 14 on the hand support rod 13, the skin on the upper portion of the back of the hand contacts the metal plate 217 on the accommodating body 211, the metal shell 14 and the metal plate 217 are communicated, at this time, the metal shell 14, the metal plate 217, the battery and the micro motor 261 are connected to form a power supply circuit through the wires, the micro motor 261 is started, the semicircular cam 262 rotates, the micro motor 261 and the semicircular cam 262 are combined together to form an eccentric motor, the skin stimulation device 2 is driven to slightly vibrate, and each massage member 23 vibrates according to the respective frequency and amplitude. The skin stimulation device 2 transmits the vibration directly to the skin of the hand through the massage member 23, and since the connection band 41 is an elastic band, the vibration is transmitted very weakly to the support plate 12 and the support base 11 through the connection band 41. The current and the voltage in the device are both in a safe range, the eccentric motor formed by combining the micro motor 261 and the semicircular cam 262 has small amplitude and low frequency, the spring 234 in the massage piece 23 stores energy circularly and releases energy, the massage body 232 and the massage head 233 reciprocate up and down to stimulate the hand skin of a patient, and the stimulation makes the human body feel comfortable, can relieve the tension of the patient and disperse the attention of the patient.

Example three:

the difference between the first embodiment and the second embodiment is that the structure of the skin stimulation device 2 is different, and all other structures of the first embodiment can be referred to the first embodiment.

Referring to fig. 9, the skin stimulation device 2 of the present embodiment has a rectangular parallelepiped shape, and includes a main body, a support body 22, a power member three 27, and a plurality of massage members 23. Specifically, the method comprises the following steps:

the main body comprises an open-shaped containing body 211 and a cover 212 which is matched with the opening of the containing body 211 and is used for closing the containing body 211, and the massage hole 216 is arranged at the lower end of the containing body 211. The supporting body 22 is a rectangular plate 221 installed in the accommodating body 211, a limiting groove 222 is formed in the center of the supporting body 22, and mounting holes for mounting the massage members 23 are uniformly arranged around the limiting groove 222 at two ends of the supporting body 22. The massage part 23 comprises a cylindrical silica gel body 231, the cylindrical silica gel body 231 is fixed in the mounting hole, a massage body 232 penetrates through the cavity of the cylindrical silica gel body 231, the lower end of the massage body 232 is fixed with the massage head 233, the upper end of the massage body 232 is connected with one end of a spring 234, the other end of the spring 234 is connected with a pressing cover 235, and the peripheral side part of the upper end of the pressing cover 235 is glued with the upper end of the cylindrical silica gel body 231; the massage members 23 are provided in plurality.

The third power member 27 comprises a coil spring part, a cam disc 275 and a bearing 276, wherein the coil spring part comprises a coil spring box 274, a coil spring 271, a coil spring pile 272 and a coil spring shaft 273, the inner end of the coil spring 271 is fixed on the coil spring pile 272, the outer end of the coil spring 271 is fixed on the coil spring box 274, the coil spring box 274 is clamped on the sealing cover 212, the coil spring shaft 273 is in interference fit with a central hole of the coil spring pile 272, one end of the coil spring shaft 273 is connected with the cam disc 275 through a one-way bearing, the other end of the coil spring shaft extends out of the coil spring box 274 and the sealing cover 212 is sleeved with a butterfly-shaped upper chord device 277, the lower end surface shaft of the cam disc 275 is matched with the inner. A tray 215 for supporting the end face of the outer ring of the bearing 276 is arranged in the middle of the accommodating body 211; the curved contour at the lower end of the cam disc 275 is contacted with the upper end surface of the pressing cover 235 to form a high pair; the cam disc 275 acts simultaneously on at least two press caps 235 and presses down the press caps 235.

Medical personnel check to carry out patient information and liquid medicine, the transfusion system of back of the hand intravenous route, communicate with the patient, arrange its position, and the patient places the palm on hand bracing piece 13, and the patient keeps according to doctor's advice hand and stands and stretch or the state of making a fist. The medical staff adjusts the skin stimulation device 2 to the joint of the back of the hand and the wrist, mainly without affecting the puncture. The butterfly winding up device 277 rotates, the disc spring shaft 273 rotates along with the disc spring shaft 273, the cam disc 275 does not rotate along with the disc spring shaft 273 due to the action of the one-way bearing, the disc spring pile 272 rotates along with the disc spring shaft 273, and the disc spring 271 is charged with energy. After winding, the medical staff prepares for acupuncture, at the moment, the coil spring 271 slowly releases energy, the coil spring pile 272 and the coil spring shaft 273 are both driven, at the moment, the cam disc 275 rotates along with the coil spring shaft 273, the curve contour of the cam disc 275 is contacted with and presses down part of the pressing cover 235, the cylindrical silicon body 231 is compressed, the spring 234 is compressed to store energy, the massage body 232 moves downwards, and the massage head 233 is contacted with the skin of a certain part and slightly pressed; with the rotation of the cam disc 275, the cam disc 275 and the part of the pressing cover 235 are gradually separated, the pressing cover 235 gradually and automatically resets under the action of the spring 234, and the cylindrical silicon rubber 231 can automatically reset due to the material property; while the other part of the pressing cover 235 is contacted with the cam disc 275 and pressed downwards slightly, the other part of the skin is pressed slightly in a point contact way, the intermittent point contact type pressing mode enables the patient to feel comfortable, and part of the patient has a crisp feeling, so that the tension of the patient can be relieved.

The medical intravenous injection auxiliary device in the three embodiments has simple structure and small volume, the supporting seat 11 can be placed on an intravenous injection operating platform, and a clinical nurse can also carry the device to a ward to assist in the needle insertion. The device helps a patient to relieve needle insertion tension and also assists a clinical nurse in needle insertion operation, and particularly for nursing staff with insufficient experience in operation, the device can be considered and popularized.

The present invention is not described in detail, but is known to those skilled in the art. Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art without inventive efforts based on the technical solution of the present invention.

Claims

1. A medical intravenous injection auxiliary device is characterized in that: the skin stimulation device comprises a hand supporting device and a skin stimulation device arranged on the hand supporting device through a connecting piece, wherein the hand supporting device comprises a supporting seat, a supporting plate extends upwards from the supporting seat, and a hand supporting rod is horizontally arranged at the upper end of the supporting plate; the skin stimulation device is in a cuboid shape, the interior of the skin stimulation device comprises a plurality of massage pieces which are contacted with the skin to generate stimulation, and the lower end of the skin stimulation device is provided with a plurality of massage holes for the massage heads of the massage pieces to extend out;

the connecting piece comprises an elastic connecting belt and two locking buttons matched with the connecting belt, the two supporting plates are symmetrically arranged on the supporting seat, one end of the connecting belt is fixed on one supporting plate, the locking buttons are fixed on the other supporting plate, the other end of the connecting belt is provided with a locking hole, each locking button comprises two T-shaped locking blocks, the upper locking block and the lower locking block are rotatably connected, and the lower locking blocks are in threaded connection with the corresponding supporting plates; the keyhole of the connecting belt is buckled into the upper locking block and clamped in the groove between the two locking blocks, and the upper locking block is horizontally rotated to be vertical to the lower locking block;

the skin irritation disrupting device further comprises: the massage device comprises a main body, a massage hole and a massage cover, wherein the main body comprises an open accommodating body and a sealing cover matched with the opening of the accommodating body and used for sealing the accommodating body, and the massage hole is formed in the lower end of the accommodating body; the supporting body is a rectangular plate installed in the accommodating body, a limiting groove is formed in the center of the supporting body, and mounting holes for mounting the massage pieces are uniformly distributed around the limiting groove at two ends of the supporting body; the power part comprises a micro motor and a semicircular cam, and an output shaft of the micro motor is connected with the semicircular cam; the fixing plate is also provided with a battery jar, and the lower end of the fixing plate is abutted to the pressing cover;

the accommodating body is provided with a motor groove for fixing the micro motor; the rechargeable battery is clamped in the battery groove; the accommodating body is also provided with a USB charging interface and a button switch, and the lower end of the accommodating body is provided with a metal disc;

the massage piece comprises a cylindrical silica gel body, the cylindrical silica gel body is fixed in the mounting hole, a massage body penetrates through a cavity of the cylindrical silica gel body, the massage head is fixed at the lower end of the massage body, the upper end of the massage body is connected with one end of a spring, the other end of the spring is connected with a pressing cover, and the peripheral side part of the upper end of the pressing cover is glued with the upper end of the cylindrical silica gel body; the massage piece sets up to a plurality ofly.

2. The medical intravenous injection aid of claim 1, wherein: the hand bracing piece outside covers there is the metal casing, and when metal casing and metal disc intercommunication, metal casing, metal disc, rechargeable battery, button switch and micro motor pass through the wire and form power supply loop.

3. The medical intravenous injection aid of claim 1, wherein: and the bottom of the supporting seat is adhered with an anti-skid pad.