CN107929883B - Painless injection auxiliary device - Google Patents
Painless injection auxiliary device Download PDFInfo
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- CN107929883B CN107929883B CN201711273964.3A CN201711273964A CN107929883B CN 107929883 B CN107929883 B CN 107929883B CN 201711273964 A CN201711273964 A CN 201711273964A CN 107929883 B CN107929883 B CN 107929883B
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- injection
- bottom plate
- pain threshold
- positioning
- holding
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- 238000002347 injection Methods 0.000 title claims abstract description 207
- 239000007924 injection Substances 0.000 title claims abstract description 207
- 208000000114 Pain Threshold Diseases 0.000 claims abstract description 116
- 230000037040 pain threshold Effects 0.000 claims abstract description 115
- 208000002193 Pain Diseases 0.000 claims abstract description 28
- 230000036407 pain Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000001965 increasing effect Effects 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 229940079593 drug Drugs 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010255 intramuscular injection Methods 0.000 description 3
- 239000007927 intramuscular injection Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000007830 nerve conduction Effects 0.000 description 2
- 208000004296 neuralgia Diseases 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 238000010254 subcutaneous injection Methods 0.000 description 2
- 239000007929 subcutaneous injection Substances 0.000 description 2
- 206010022086 Injection site pain Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000008058 pain sensation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/422—Desensitising skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/46—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for controlling depth of insertion
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a painless injection auxiliary device, which comprises a bottom plate, an injection positioning hole penetrating through the bottom plate and a pain threshold improving device which can interfere skin pain conduction at an injection position after contacting with the injection position to improve the pain threshold at the injection position, wherein an injection holding positioning mechanism is arranged on the bottom plate, the bottom plate can be placed at the injection position through the injection holding positioning mechanism, an injection needle head of an injector is aligned with the injection positioning hole, and the injection needle head of the injector can perform required injection after penetrating through the injection positioning hole of the bottom plate; when the back of the bottom plate and the injection site are used, the pain threshold improving device can interfere the skin pain conduction of the injection site, and the pain threshold of the injection site is improved, so that the pain feeling during injection is relieved. The invention has compact structure, can reduce the pain feeling during injection by improving the pain threshold of the injection part, achieves the purpose of painless injection, and has convenient use and operation, safety and reliability.
Description
Technical Field
The invention relates to an auxiliary device, in particular to a painless injection auxiliary device, and belongs to the technical field of medical appliances.
Background
Intramuscular injection and subcutaneous injection are common modes of using medicines by people, the medicines are injected into muscles or subcutaneous parts of proper parts of human bodies through injectors, so that the medicines are slowly absorbed to achieve the aim of treatment, besides pain caused by certain medicines, the pain caused by injection is very common due to technical operation reasons, and the pain of an injected person, especially medical staff with insufficient experience, can sometimes cause the needle sickness of the injected person.
The technical key of painless intramuscular injection or subcutaneous injection is two fast and one slow, namely: the injection speed is high, the liquid medicine pushing speed is low, and the needle pulling speed is high. Many medical staff cannot fully master the technical requirement of needle insertion at present, which is a main cause of pain. The technical key of painless intramuscular injection or leather shoe injection needle injection is that the injector filled with liquid medicine is vertically arranged above the sterilized skin of the injected part of the injected person, the wrist force and the arm force are mainly utilized to assist, the needle head of the injector vertically pierces the skin and enters the muscle to a proper depth and then stops, thus, the injected person can have no pain feeling due to the sharp needle head and the rapid needle insertion, and the injection time is extremely short.
Although the pain feeling of the injected person can be reduced by increasing the needle insertion speed, it is difficult to achieve an effective balance between the needle insertion speed and the accuracy of needle insertion, and it is difficult to achieve a satisfactory effect. The needle insertion speed is too high, so that the needle is difficult to penetrate into human tissues too deeply, and the injection effect is deteriorated.
There is a clinical need for a more effective means of alleviating pain in injection, reducing the need for injection techniques, and enabling proper needle penetration depth, avoiding excessive needle penetration.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a painless injection auxiliary device which has a compact structure, can reduce the pain sense during injection by improving the pain threshold of an injection part, achieves the purpose of painless injection, and is convenient to use and operate, safe and reliable.
According to the technical scheme provided by the invention, the painless injection auxiliary device comprises a bottom plate, an injection positioning hole penetrating through the bottom plate and a pain threshold improving device which can interfere skin pain conduction of an injection part after contacting with the injection part to improve the pain threshold of the injection part, wherein an injection holding positioning mechanism is arranged on the bottom plate, the bottom plate can be placed at the injection part through the injection holding positioning mechanism, an injection needle head of an injector is aligned with the injection positioning hole, and the injection needle head of the injector can perform required injection after penetrating through the injection positioning hole of the bottom plate; when the back of the bottom plate and the injection site are used, the pain threshold improving device can interfere the skin pain conduction of the injection site, and the pain threshold of the injection site is improved, so that the pain feeling during injection is relieved.
The pain threshold improving device comprises a pressing pain threshold improving device which can improve the pain threshold of the injection part after pressing the bottom plate, a current pain threshold improving device which improves the pain threshold of the injection part by micro-current generated after power-on and/or a vibration pain threshold improving device which improves the pain threshold of the injection part after power-on vibration.
The pressing pain threshold improving device comprises pain threshold improving pressing convex blocks arranged on the back surface of the bottom plate, wherein the pain threshold improving pressing convex blocks are convexly arranged on the back surface of the bottom plate, and the pain threshold improving pressing convex blocks are uniformly distributed on the back surface of the bottom plate.
The current pain threshold improving device comprises a current circulating body for circulating micro-current and a current control device for controlling generation of required micro-current, wherein the current circulating body is arranged on the bottom plate.
The vibration pain threshold increasing device comprises a vibrator for generating vibration.
The vibration pain threshold improving device comprises a vibrator for generating vibration and pain threshold improving pressing convex blocks arranged on the back surface of the bottom plate, wherein the pain threshold improving pressing convex blocks are convexly arranged on the back surface of the bottom plate, and the pain threshold improving pressing convex blocks are uniformly distributed on the back surface of the bottom plate.
The injection holding and positioning mechanism comprises a holding and positioning pipe arranged on the front surface of the bottom plate, wherein a positioning pipe hole in the holding and positioning pipe is aligned with the injection positioning hole and communicated with the injection positioning hole.
The holding positioning tube is sleeved with an injection depth adjusting sleeve, and the injection depth adjusting sleeve can move on the holding positioning tube.
One end of the holding positioning tube is fixed with the bottom plate, the other end of the holding positioning tube is provided with a needle cylinder positioning sleeve, and the inner diameter of the needle cylinder positioning sleeve is larger than that of the holding positioning tube.
The injection holding positioning mechanism comprises a positioning sleeve which is positioned outside the front surface of the bottom plate, and the positioning sleeve is connected with the front surface of the bottom plate through a sleeve supporting rod.
The invention has the advantages that: the injection positioning holes are formed in the bottom plate, when the back surface of the bottom plate is placed at the part to be injected through the injection holding positioning mechanism, the pain threshold of the part to be injected is improved by the pain threshold improving device, the pain feeling during injection is relieved, the purpose of painless injection is achieved, the use and the operation are convenient, the adaptability is improved, and the safety and the reliability are realized.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of a distribution of pain threshold enhancing press bumps on a substrate according to the present invention.
FIG. 3 is a schematic view of another distribution of pain threshold enhancing press bumps on a base plate according to the present invention.
Fig. 4 is a schematic view of the injection depth adjusting sleeve and the holding positioning tube of the present invention.
Fig. 5 is another schematic view of the injection depth adjusting sleeve of the present invention mated with a holding positioning tube.
FIG. 6 is a schematic view of the holding and positioning tube of the present invention with positioning fins.
Fig. 7 is a schematic view of the present invention with a needle cylinder positioning sleeve disposed at the end of the holding positioning tube.
Fig. 8 is another schematic view of the present invention with a needle cylinder positioning sleeve disposed at the end of the grip positioning tube.
Fig. 9 is a schematic view of the structure of the injection holding and positioning mechanism of the present invention when the positioning sleeve is used.
Fig. 10 is a block diagram of another embodiment of the present invention.
Reference numerals illustrate: the device comprises a 1-bottom plate, a 2-holding positioning tube, a 3-pain threshold improving pressing projection, a 4-positioning tube hole, a 5-injection positioning hole, a 6-T-shaped block, a 7-first depth adjusting sleeve, an 8-depth adjusting arm, a 9-second depth adjusting sleeve, a 10-positioning fin, a 11-adjusting sleeve positioning hole, a 12-puncture protection umbrella, a 13-connecting tube, a 14-horn mouth, a 15-sleeve supporting rod, a 16-positioning sleeve and a 17-holding handle.
Detailed Description
The invention will be further described with reference to the following specific drawings and examples.
In order to reduce pain during injection and achieve the purpose of painless injection, improve the convenience of using operation, the invention includes the bottom plate 1, the injection locating hole 5 penetrating the said bottom plate 1 and can interfere with the pain threshold raising device of the injection site skin to raise the pain threshold of the injection site after contacting with the injection site, set up the injection and grasp the locating mechanism on the bottom plate 1, can place the bottom plate 1 in the injection site through the injection and grasp locating mechanism, the injection needle of the syringe aligns with injection locating hole 5 and the injection needle of the syringe can carry on the required injection after passing the injection locating hole 5 of the bottom plate 1; the pain threshold increasing device can interfere the skin pain conduction of the injection site when the back surface of the bottom plate 1 and the injection site are used, and the pain threshold of the injection site is increased, so that the pain feeling during injection is relieved.
In particular, the base plate 1 has a circular, square or other shape, which may be chosen in particular, preferably circular. The bottom plate 1 is made of a material meeting medical standards, the bottom plate 1 is provided with an injection positioning hole 5, the injection positioning hole 5 is preferably positioned in the central area of the bottom plate 1, and when the back surface of the bottom plate 1 is contacted with a part to be injected, the injection positioning hole 5 is the position where an injection needle penetrates to penetrate for injection. The injection holding and positioning mechanism is positioned on the bottom plate 1, and the bottom plate 1 can be placed on the injection area by using the injection holding and positioning mechanism, so that the back surface of the bottom plate 1 is contacted with the injection part.
When the back of the base plate 1 is contacted with the injection site, the pain threshold of the injection site is raised by the pain threshold raising means, thereby reducing the pain feeling upon injection. The pain threshold improving device can stimulate the skin around the injection part to interfere the pain nerve conduction of the injection part, so that the pain threshold of the injection part is improved, the pain feeling during injection is reduced, the operation level requirement for medical staff during injection is reduced, and the convenience, the universality and the reliability of use are improved. In the embodiment of the invention, the injection part is the region part of the outer ring of the injection point, and the injection part is the position corresponding to the injection positioning hole 5.
Further, the pain threshold improving means includes pressing pain threshold improving means capable of improving the pain threshold of the injection site after pressing the base plate 1, current pain threshold improving means for improving the pain threshold of the injection site by micro-current generated after power-on, and/or vibration pain threshold improving means for improving the pain threshold of the injection site after power-on vibration.
In the embodiment of the invention, the pain threshold improving device can improve the pain sense of the injection part so as to reduce the pain sense during injection, and the pain threshold improving device comprises a pressing pain threshold improving device, a current pain threshold improving device and/or a vibration pain threshold improving device, and can be specifically selected and determined according to the needs.
As shown in fig. 1,2 and 3, the device for increasing the pressing pain threshold comprises pain threshold increasing pressing projections 3 arranged on the back surface of the bottom plate 1, wherein the pain threshold increasing pressing projections 3 are convexly arranged on the back surface of the bottom plate 1, and the pain threshold increasing pressing projections 3 are uniformly distributed on the back surface of the bottom plate 1.
In the embodiment of the invention, the pain threshold pressing convex block 3 can be in a convex block shape with a blunt tip, the pain threshold pressing convex block 3 can be made of a material meeting medical standards, and the pain threshold pressing convex block 3 is preferably made of a medical material with higher hardness. When the back of the bottom plate 1 is contacted with the injection site, namely, the end part of the pain threshold pressing convex block 3 is contacted with the injection site, after the bottom plate 1 is pressed, the pain threshold pressing convex block 3 can apply painless compression to the skin around the injection site, no wound is generated on the skin of the injection site, the skin of the injection site is slowly adapted to the compression, the pain sensation conduction sensitivity of the injection site is reduced, and the pain threshold is increased. The improved pain threshold pressing convex blocks 3 are distributed on the bottom plate 1 in an array mode and are distributed on the outer ring of the injection positioning holes 5, after the improved pain threshold pressing convex blocks 3 are densely distributed on the bottom plate 1, stability and consistency of pressing effects can be brought when all the improved pain threshold pressing convex blocks 3 are contacted with skin of a part to be injected. In fig. 2 and 3, in order to improve the distribution of the pain threshold pressing protrusions 3 on the bottom plate 1, the distribution in fig. 3 is in a ring shape, and of course, may be selected according to practical situations, which will not be described herein.
Further, the current pain threshold improving device comprises a current circulating body for circulating micro-current and a current control device for controlling generation of required micro-current, wherein the current circulating body is arranged on the bottom plate 1.
In the embodiment of the invention, when the current pain threshold improving device is adopted, the current flow body and the current control device are needed to be included for improving the pain threshold of the injection part, the current control device can control the intensity, the change frequency and the like of the generated micro current, and the micro current generated by the current control device generates current stimulation on the skin of the injection part after passing through the current flow body to interfere the conduction of the pain nerve conduction current, so that the local pain threshold is improved; the magnitude of the micro-current, the frequency of the change, etc. can be selected as required to optimize the maximum intensity that the patient can tolerate without discomfort, and will not be described in detail herein. The current control device can adopt the existing circuit control mode, so long as the control of current generation and the like can be realized, the current circulating body adopts the mode of meeting the current circulation, the current circulating body can be arranged on the front surface or the back surface of the bottom plate 1, when the current circulating body is arranged on the front surface of the bottom plate 1, the bottom plate 1 needs to adopt conductive materials, namely micro current acts on skin to be treated through the bottom plate 1. When the current-carrying body is arranged on the back surface of the bottom plate 1, the current-carrying body is directly contacted with the skin of the injection site, so that when micro-current is carried out, current stimulation can be generated on the skin of the injection site to improve the pain threshold. Of course, when the current pain threshold improving device is adopted, the pain threshold improving pressing convex blocks 3 distributed in an array mode can be still arranged on the back face of the bottom plate 1, and after the pain threshold improving pressing convex blocks 3 are arranged, the purpose of improving the pain threshold of the injection part by matching with the current pain threshold improving device can be achieved.
In addition, the vibration pain threshold increasing device includes a vibrator for generating vibration. In the embodiment of the invention, the vibrator generates vibration, the vibrator can be in the existing common structural form, the vibrator can be arranged on the injection holding and positioning mechanism, when the back surface of the bottom plate 1 is contacted with the skin of the part to be injected, the vibration generated by the vibrator is transmitted to the injection part, the vibration self touch sense competes with pain sense transmission during needling through nerve transmission, the purpose of disturbing the pain sense transmission is achieved, and finally the pain threshold of the injection part is improved.
In addition, the vibration pain threshold improving device comprises a vibrator for generating vibration and pain threshold improving pressing convex blocks 3 arranged on the back surface of the bottom plate 1, wherein the pain threshold improving pressing convex blocks 3 are convexly arranged on the back surface of the bottom plate 1, and the pain threshold improving pressing convex blocks 3 are uniformly distributed on the back surface of the bottom plate 1.
When the pain threshold improving device adopts the above form and after the pain threshold is improved at the part to be injected, the injector is aligned with the injection positioning hole 5 of the bottom plate 1 through the injection holding positioning mechanism, after the injection needle of the injector is aligned with the injection positioning hole 5, the required injection operation can be realized according to the conventional injection operation, the pain intensity in the injection can be reduced, and even the purpose of painless injection is realized.
As shown in fig. 1, the injection holding and positioning mechanism comprises a holding and positioning tube 2 arranged on the front surface of a bottom plate 1, a positioning tube hole 4 in the holding and positioning tube 2 is aligned with an injection positioning hole 5, and the positioning tube hole 4 is communicated with the injection positioning hole 5.
In the embodiment of the invention, the holding and positioning pipe 2 is vertically arranged on the front surface of the bottom plate 1, the pipe diameter of the holding and positioning pipe 2 is smaller than the outer diameter of the bottom plate 1, and the length of the holding and positioning pipe 2 is larger than the thickness of the bottom plate 1, so that the holding and positioning pipe is convenient. The base plate 1 can be conveniently placed at the injection site by holding the positioning tube 2. The syringe barrel of the injector is arranged in the holding positioning tube 2 and can penetrate out of the injection positioning hole 5, and normal injection operation can be performed after the syringe barrel penetrates out of the injection positioning hole 5.
When the pain threshold improving device adopts the current pain threshold improving device, the current control device can be arranged on the holding positioning tube 2, and when the vibration pain threshold improving device is adopted, the vibrator can be arranged on the holding positioning tube 2 or on a handle connected with the holding positioning tube 2, and the current control device can be specifically selected according to the requirement and is not repeated here.
The holding positioning tube 2 is sleeved with an injection depth adjusting sleeve, and the injection depth adjusting sleeve can move on the holding positioning tube 2. In the embodiment of the invention, after the injection depth adjusting sleeve moves on the holding and positioning tube 2, the length of the whole injection holding and positioning mechanism can be adjusted. After the needle of the injector is placed in the holding positioning tube 2, the length of the needle of the injection cavity in the holding positioning tube 2 can be adjusted through the injection depth adjusting sleeve, so that the injection depth of the needle of the injector can be adjusted, and the needle penetration depth is prevented from being too deep when the injection speed is too high.
As shown in fig. 4, the injection depth adjusting sleeve is an implementation form of an injection depth adjusting sleeve 7, and the first depth adjusting sleeve 7 is cylindrical and can be sleeved on the holding positioning tube 2. The lower part of the first depth adjusting sleeve 7 is provided with a depth adjusting arm 8, the outer wall of the holding positioning tube 2 is provided with a plurality of T-shaped blocks 6, the T-shaped blocks 6 are distributed along the length direction of the holding positioning tube 2, the depth adjusting arm 8 can move on the first depth adjusting sleeve 7, the head end of the depth adjusting arm 8 can extend into the adjacent T-shaped blocks 6, when the head end of the depth adjusting arm 8 extends into and is clamped between the T-shaped blocks 6, the position between the first depth adjusting sleeve 7 and the holding positioning tube 2 can be locked, and when the depth adjusting arm 8 and the T-shaped blocks 6 are separated, the first depth adjusting sleeve 7 can move on the holding positioning tube 2 again, so that the adjustment of the required depth is realized.
As shown in fig. 5 and 6, the injection depth adjusting sleeve is another implementation form of an injection depth adjusting sleeve, the injection depth adjusting sleeve is a second depth adjusting sleeve 9, the second depth adjusting sleeve 9 is cylindrical, and the second depth adjusting sleeve 9 can be sleeved on the holding positioning tube 2. The second depth adjusting sleeve 9 is provided with a plurality of adjusting sleeve positioning holes 11, the top end of the holding positioning tube 2 is provided with symmetrically distributed positioning fins 10, the positioning fins 10 are obliquely distributed, one end of each positioning fin 10 is connected with the holding positioning tube 2, the other end of each positioning fin is in a suspended state, and one end in the suspended state is located above one end connected with the holding positioning tube 2. When the second depth adjusting sleeve 9 is sleeved on the holding positioning tube 2, the second depth adjusting sleeve 9 can only move along the direction of the back surface of the bottom plate 1 pointing to the front surface by utilizing the positioning fins 10, namely can only move along the length direction of the whole injection holding positioning mechanism. Of course, in the specific implementation, the injection depth adjusting sleeve can also take other forms, so long as the injection depth adjusting sleeve can be matched with the holding positioning tube 2 to achieve the purpose of adjusting the required injection depth, and the injection depth adjusting sleeve is not described one by one.
Further, one end of the holding positioning tube 2 is fixed with the bottom plate 1, the other end of the holding positioning tube 2 is provided with a syringe positioning sleeve, and the inner diameter of the syringe positioning sleeve is larger than that of the holding positioning tube 2.
As shown in fig. 7, the needle cylinder positioning sleeve is a stab protection umbrella 12, and the stab protection umbrella is used for preventing the needle from stabbing and injuring the fingers of an injector, as shown in fig. 8, the needle cylinder positioning sleeve comprises a connecting cylinder 13 and a horn mouth 14 positioned at the end part of the connecting cylinder 13, and the injection cylinder of the injector can be accommodated through the needle cylinder positioning sleeve, so that the reliability and stability in the injection operation are further improved. Of course, in the specific implementation, the needle cylinder positioning sleeve can also take other forms, and can be specifically selected according to needs, and details are not repeated here.
As shown in fig. 9, the injection holding and positioning mechanism comprises a positioning sleeve 16 positioned outside the front surface of the base plate 1, and the positioning sleeve 16 is connected with the front surface of the base plate 1 through a sleeve supporting rod 15.
In the embodiment of the invention, the injection holding positioning mechanism can also adopt a positioning sleeve 16, the positioning sleeve 16 is connected with the bottom plate 1 through a sleeve supporting rod 15, a hollowed-out structure is formed between the positioning sleeve 16 and the front surface of the bottom plate 1, and the sleeve supporting rod 15 and the bottom plate 1 can adopt a separable connection mode. Through the cooperation of the sleeve support rod 15 and the positioning sleeve 16, the holding during injection can be realized, namely, the back surface of the bottom plate 1 is placed at the injection position. In addition, when a current pain threshold increasing device or a vibration pain threshold increasing device is used, an associated current element or vibrator may be provided on the positioning sleeve 16. Of course, the injection holding positioning mechanism can also take other forms, and can be specifically selected according to needs, and will not be described herein.
As shown in fig. 10, the injection holding and positioning mechanism comprises a holding handle 17 arranged on the bottom plate 1, the holding handle 17 can be in the same plane with the bottom plate 1, the holding handle 17 extends outwards at the edge of the outer ring of the bottom plate 1, and the bottom plate 1 can be placed at a part to be injected through the holding handle 17. At this time, the injection needle of the injector is directly placed in the injection positioning hole 5, and of course, the pressing projection 3 for raising the pain threshold can also be arranged on the back of the bottom plate 1. In addition, when the pain threshold increasing device is a current pain threshold increasing device or a vibration pain threshold increasing device, the associated current element or vibrator may be provided on the grip handle 17.
According to the invention, the injection positioning holes 5 are formed in the bottom plate 1, when the back surface of the bottom plate 1 is placed at a part to be injected through the injection holding positioning mechanism, the pain threshold of the part to be injected is improved by using the pain threshold improving device, the pain feeling during injection is relieved, the purpose of painless injection is achieved, the use and the operation are convenient, the adaptability is improved, and the safety and the reliability are realized.
Claims (7)
1. An painless injection assisting device, characterized in that: the injection device comprises a bottom plate (1), an injection positioning hole (5) penetrating through the bottom plate (1) and a pain threshold improving device which can interfere skin pain conduction at an injection position after contacting with the injection position to improve the pain threshold at the injection position, wherein an injection holding positioning mechanism is arranged on the bottom plate (1), the bottom plate (1) can be placed at the injection position through the injection holding positioning mechanism, an injection needle of an injector is aligned with the injection positioning hole (5), and the injection needle of the injector can perform required injection after passing through the injection positioning hole (5) of the bottom plate (1); when the back of the bottom plate (1) and the injection site are used, the pain threshold of the injection site can be improved by the pain threshold improving device, so as to reduce the pain feeling during injection;
The pain threshold improving device comprises a pressing pain threshold improving device which can improve the pain threshold of the injection part after the bottom plate (1) is pressed, a current pain threshold improving device which improves the pain threshold of the injection part by micro-current generated after power-on and a vibration pain threshold improving device which improves the pain threshold of the injection part after power-on vibration;
the injection holding and positioning mechanism comprises a holding and positioning pipe (2) arranged on the front surface of the bottom plate (1), a positioning pipe hole (4) in the holding and positioning pipe (2) is aligned with the injection positioning hole (5), and the positioning pipe hole (4) is communicated with the injection positioning hole (5);
An injection depth adjusting sleeve is sleeved on the holding and positioning tube (2), and the injection depth adjusting sleeve can move on the holding and positioning tube (2);
The injection depth adjusting sleeve is a first depth adjusting sleeve (7), and the first depth adjusting sleeve (7) is cylindrical and can be sleeved on the holding positioning tube (2); the lower part at first degree of depth adjusting sleeve (7) sets up degree of depth adjusting arm (8), set up a plurality of T type piece (6) on the outer wall of holding registration arm (2), a plurality of T type piece (6) are along the length direction distribution who holds registration arm (2), degree of depth adjusting arm (8) can be at first degree of depth adjusting sleeve (7) upper motion, the head end of degree of depth adjusting arm (8) can stretch into adjacent T type piece (6), when the head end of degree of depth adjusting arm (8) stretches into and the chucking between T type piece (6), can lock the position between first degree of depth adjusting sleeve (7) and holding registration arm (2), when the separation between degree of depth adjusting arm (8) and T type piece (6), then first degree of depth adjusting sleeve (7) can be removed again on holding registration arm (2), thereby realize the regulation of required degree of depth.
2. The painless injection aid according to claim 1, wherein: the device for improving the pressing pain threshold comprises pain threshold improving pressing convex blocks (3) arranged on the back surface of the bottom plate (1), wherein the pain threshold improving pressing convex blocks (3) are convexly arranged on the back surface of the bottom plate (1), and the pain threshold improving pressing convex blocks (3) are uniformly distributed on the back surface of the bottom plate (1).
3. The painless injection aid according to claim 1, wherein: the current pain threshold improving device comprises a current circulating body for circulating micro-current and a current control device for controlling generation of required micro-current, wherein the current circulating body is arranged on the bottom plate (1).
4. The painless injection aid according to claim 1, wherein: the vibration pain threshold increasing device comprises a vibrator for generating vibration.
5. The painless injection aid according to claim 1, wherein: the vibration pain threshold improving device comprises a vibrator for generating vibration and pain threshold improving pressing convex blocks (3) arranged on the back surface of the bottom plate (1), wherein the pain threshold improving pressing convex blocks (3) are convexly arranged on the back surface of the bottom plate (1), and the pain threshold improving pressing convex blocks (3) are uniformly distributed on the back surface of the bottom plate (1).
6. The painless injection aid according to claim 1, wherein: one end of the holding positioning tube (2) is fixed with the bottom plate (1), the other end of the holding positioning tube (2) is provided with a needle cylinder positioning sleeve, and the inner diameter of the needle cylinder positioning sleeve is larger than that of the holding positioning tube (2).
7. The painless injection aid according to claim 1, wherein: the injection holding positioning mechanism comprises a positioning sleeve (16) positioned outside the front surface of the bottom plate (1), and the positioning sleeve (16) is connected with the front surface of the bottom plate (1) through a sleeve supporting rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273964.3A CN107929883B (en) | 2017-12-06 | 2017-12-06 | Painless injection auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273964.3A CN107929883B (en) | 2017-12-06 | 2017-12-06 | Painless injection auxiliary device |
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| Publication Number | Publication Date |
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| CN107929883A CN107929883A (en) | 2018-04-20 |
| CN107929883B true CN107929883B (en) | 2024-05-31 |
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| CN201711273964.3A Active CN107929883B (en) | 2017-12-06 | 2017-12-06 | Painless injection auxiliary device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102369963B1 (en) * | 2019-06-03 | 2022-03-04 | 이창수 | Pad for relieving injection pain by pressure stimulation of the pressing projection |
| CN117899308A (en) * | 2024-02-20 | 2024-04-19 | 江苏大学附属医院 | Vibration analgesia and injection integrated device and use method thereof |
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| CN101626793A (en) * | 2007-02-02 | 2010-01-13 | 罗梅尔P.瓦莱罗 | Utilize the topical anesthesia of electricity and vibratory stimulation |
| CN204275182U (en) * | 2014-11-28 | 2015-04-22 | 天津市骏诚医疗器械有限公司 | The injection of pinching formula subtracts pain folder |
| CN105979992A (en) * | 2013-11-14 | 2016-09-28 | 阿雷斯贸易股份有限公司 | Medicine injection device with a pain-reduction member |
| CN208114884U (en) * | 2017-12-06 | 2018-11-20 | 无锡圣诺亚科技有限公司 | Painless injection auxiliary device |
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|---|---|---|---|---|
| CN101626793A (en) * | 2007-02-02 | 2010-01-13 | 罗梅尔P.瓦莱罗 | Utilize the topical anesthesia of electricity and vibratory stimulation |
| CN105979992A (en) * | 2013-11-14 | 2016-09-28 | 阿雷斯贸易股份有限公司 | Medicine injection device with a pain-reduction member |
| CN204275182U (en) * | 2014-11-28 | 2015-04-22 | 天津市骏诚医疗器械有限公司 | The injection of pinching formula subtracts pain folder |
| CN208114884U (en) * | 2017-12-06 | 2018-11-20 | 无锡圣诺亚科技有限公司 | Painless injection auxiliary device |
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| CN107929883A (en) | 2018-04-20 |
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