CN113082393B - Automatic needle inserting and assisting device for injection needle - Google Patents
Automatic needle inserting and assisting device for injection needle Download PDFInfo
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- CN113082393B CN113082393B CN202110399541.6A CN202110399541A CN113082393B CN 113082393 B CN113082393 B CN 113082393B CN 202110399541 A CN202110399541 A CN 202110399541A CN 113082393 B CN113082393 B CN 113082393B
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- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 210000000988 bone and bone Anatomy 0.000 claims description 29
- 230000009471 action Effects 0.000 claims description 9
- 238000001802 infusion Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 238000002513 implantation Methods 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 241000309551 Arthraxon hispidus Species 0.000 abstract 2
- 238000001467 acupuncture Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000007943 implant Substances 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
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Images
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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3287—Accessories for bringing the needle into the body; Automatic needle insertion
-
- 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
- A61M5/46—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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an automatic needle inserting and assisting device for an injection needle, which comprises a rotary switch, a shell clamped with the rotary switch and a needle handle clamping device arranged in the shell; the rotary switch and the shell are both hollow cylinder structures; the outer side of the rotary switch is provided with a circumferential clamping groove and two clamping interfaces which are symmetrically arranged and communicated with the clamping groove; the shell top inside wall is last the symmetry to be equipped with two joint heads, the joint head rotates through the joint interface and gets into the joint inslot, makes rotary switch and shell joint together. The utility model realizes the rapid implantation of the needle head by rotating the rotary switch, improves the use efficiency, relieves the pain of the needle insertion and reduces the infection rate of the needle hole.
Description
Technical Field
The utility model relates to the technical field of medicament injection products, in particular to an automatic needle inserting and assisting device for an injection needle.
Background
When the medicament is injected, the medicament is directly injected by using an injection needle tube, insulin injection is required to be performed daily for a patient with hyperglycemia, and the injection process is usually required to be completed by self. Everybody has the psychology of terrorism needle, and the condition of being unable to take place the power not enough in the time of the self-injection causes the syringe needle to prick and not go into or not in place of the acupuncture, can produce certain burden to patient's psychology moreover, the condition of boring the needle appears often, can not insist on the medicine injection, leads to the patient's state of an illness to aggravate. And the mode of manual needle insertion is low in efficiency, and needle hole infection is easily caused.
Disclosure of Invention
In view of the above, the present invention provides an automatic needle inserting assisting device for an injection needle, which is convenient to use, has high needle inserting efficiency and high safety, and overcomes the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an automatic needle inserting and assisting device for an injection needle comprises a rotary switch, a shell clamped with the rotary switch and a needle handle clamping device arranged in the shell; the rotary switch and the shell are both hollow cylindrical structures; the rotary switch is characterized in that a circumferential clamping groove and two clamping ports which are symmetrically arranged and communicated with the clamping groove are formed in the outer side of the rotary switch, two mounting holes with downward openings are symmetrically formed in the lower portion of the rotary switch, and rotation stopping components are respectively arranged on the side wall of the rotary switch between the two mounting holes and comprise convex points, spring supporting bone positions I and rotation stopping bone positions which are sequentially and uniformly distributed; two clamping connectors are symmetrically arranged on the inner side wall above the shell, and the clamping connectors rotate through the clamping interfaces to enter the clamping grooves, so that the rotary switch and the shell are clamped together; a stepped hole is formed in the shell, two arc-shaped baffles are symmetrically arranged on the inner side of the stepped hole, spring support bone positions II are respectively arranged in the middle of the outer sides of the baffles, the spring support bone positions II are located between the spring support bone positions I and the rotation stopping bone positions, and a knob return spring is arranged between the spring support bone positions I and the spring support bone positions II; the upper plate surface of the stepped hole is provided with two baffles, the two baffles are arranged on the upper plate surface of the stepped hole, clamping pieces are arranged between the two baffles through rotating shafts respectively, the outer side of one end of each clamping piece is connected with the inner wall of the shell through a clamping spring, a fixing block used for being clamped with the needle handle clamping device is arranged on the inner side of one end, connected with the clamping spring, of each clamping piece, and an arc-shaped convex block is arranged on the outer side of the other end of each clamping piece; two guide blocks are symmetrically arranged on the wall of the step hole, and the guide blocks are connected with the needle handle clamping device in a sliding manner; four reset holes provided with reset springs are uniformly distributed on the bottom plate surface of the stepped hole, and the other ends of the reset springs are fixedly connected with the needle handle clamping device; when the fixing block is clamped with the needle handle clamping device, the needle handle clamping device is positioned above the shell, the rotary switch is rotated, and when the convex block is in butt joint with the convex point, the fixing block is separated from the needle handle clamping device, so that the needle handle clamping device is pressed down under the action of the reset spring.
According to the technical scheme, a clamping head on a shell enters a clamping groove through a clamping interface to clamp the shell and a rotary switch together, a fixed block on a card is clamped with a needle handle clamping device, the rotary switch is rotated, a convex point is in butt joint with a convex block to enable the card to rotate around a rotating shaft, then the fixed block on the card is separated from the needle handle clamping device, and the needle handle clamping device moves downwards along with a reset spring to prick a needle under the action of the reset spring; the rotary switch can return by oneself under knob reset spring's effect, and spring support bone position I and spring support bone position II carry on spacingly to knob reset spring, and card spring makes the stiff end of card have certain elasticity, increases the stability of card simultaneously. Automatic needle insertion is realized through the rotary switch, and the card is separated from the needle handle clamping device only by rotating the rotary switch, so that the needle handle clamping device is simple to use and operate, good in resilience, reasonable in design and free from shell clamping.
Preferably, the needle handle clamping device comprises a needle handle clamping part, a limiting cover arranged at the top of the needle handle clamping part and a fixed seat sleeved outside the needle handle clamping part; the needle handle clamping part comprises a left clamping part and a right clamping part which are connected through a rotating shaft, guide posts are respectively arranged on the inner sides of the left clamping part and the right clamping part, and a clamp reset spring is connected and arranged on the two guide posts; and injection needle placing grooves are formed in the bottoms of the left clamping part and the right clamping part.
Pressing the injection needle into the placing groove, separating the left clamping part from the right clamping part, clamping the needle handle of the injection needle under the action of the clamp return spring, and fixing the left clamping part and the right clamping part by the fixing seat; the limiting cover plays a limiting role when moving downwards, so that the needle handle clamping device is connected with the rotary switch together, and in addition, the protective function is played, and the needle head is prevented from being punctured too deeply due to excessive downward movement; the left clamping part and the right clamping part are movably connected through the rotating shaft, so that the needle handle is conveniently pressed in and quickly separated from each other, the clamp reset spring plays a limiting role, the needle handle is pressed in and then clamped, and the left clamping part and the right clamping part reset under the action of the reset spring after the needle handle is taken out.
Preferably, the fixing seat comprises a sleeve and a boss arranged at the bottom of the sleeve; guide holes matched with the guide blocks are vertically formed in the two sides of the sleeve respectively; a clamping groove is formed in the upper portion of the sleeve, an adjusting groove matched with the fixing block is formed in the middle lower portion of the sleeve, and two mounting grooves used for placing the rotating shaft are formed in the upper portion of the sleeve; the boss is provided with a fixing groove for mounting a return spring, and two clamping plates are symmetrically arranged on the inner side of the boss.
When the needle handle clamping device moves up and down along the shell and the rotary switch, the guide hole moves along the guide block to play a role in guiding, so that the stability and the directionality of the needle handle clamping device are improved, the needle handle clamping device is prevented from rotating, and the implantation of a needle head is facilitated; the clamping groove is used for clamping the limiting cover, the adjusting groove is used for clamping the fixing block on the card, and when the fixing block is clamped in the adjusting groove, the needle handle clamping device is fixed on the upper portion of the shell; when the fixed block is separated from the adjusting groove, the needle handle clamping device is positioned below the shell; the clamping plate is used for clamping with the fixed seat; the position between the fixed seat and the shell is regulated and controlled by the return spring.
Preferably, the bottoms of the left clamping part and the right clamping part are respectively provided with a clamping groove matched with the clamping plate. The clamping plate is clamped in the clamping groove to fix the fixed seat and the bottom of the needle handle clamping part.
Preferably, the outer walls of the left clamping portion and the right clamping portion are respectively provided with a avoiding groove, and the avoiding grooves are arranged in parallel with the guide holes. When the guide block is positioned in the avoiding groove, the left clamping part and the right clamping part are separated under the action of the clamp return spring, so that the needle handle is convenient to mount and separate.
Preferably, the circumference of the bottom in the limit cover is respectively provided with a clamping block corresponding to the clamping groove; still the symmetry is equipped with two wedge blocks on the roof in spacing lid, the bottom of wedge block is the arc setting, two the bottom of wedge block is tight with the both ends top of pivot respectively.
The clamping block and the clamping groove are clamped with the limiting cover and the fixing base, the wedge-shaped block limits the left clamping part and the right clamping part, and the stability of the needle handle clamping part is improved.
Preferably, an arc-shaped limiting top plate is arranged on the top plate in the limiting cover and is positioned right above the needle handle clamping part. The upper parts of the left and right clamping parts play a role in limiting, and the stability of the clamping device is improved.
Preferably, the lower parts of the shell and the fixed seat are respectively provided with a U-shaped hole with a downward opening for connecting an infusion tube.
Preferably, a fixed table is arranged in the rotary switch; the outer diameter of the limiting cover is larger than the inner diameter of the fixing table and smaller than the inner diameter of the rotary switch. The fixed station plays a role in fixing and limiting the limiting cover, so that the limiting cover is positioned above the fixed station in the rotary switch.
Preferably, the stepped holes of the shell are respectively provided with rotation stopping pins at positions between the baffle and the clamping piece. When the rotary switch is rotated, the card spring and the return spring are prevented from being damaged due to rotation transition.
The utility model has the beneficial effects that:
the utility model realizes the rapid implantation of the needle head by rotating the rotary switch, improves the use efficiency, relieves the pain of the needle insertion and reduces the infection rate of the needle hole. The utility model has reasonable design, simple structure, low manufacturing cost, good rebound resilience and no blockage, realizes automatic acupuncture, is easier to control the acupuncture depth, has small psychological burden for a user, and does not need to perform acupuncture by means of the pressure inside the hand.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a perspective view of the rotary switch;
FIG. 4 is a first perspective view of the housing;
FIG. 5 is a second perspective view of the housing;
FIG. 6 is a third perspective view of the housing;
FIG. 7 is a schematic view of the connection of the housing and the rotary switch;
FIG. 8 is a first perspective view of the needle shaft clamping device;
FIG. 9 is a second perspective view of the needle shaft holding device;
FIG. 10 is an exploded view of the needle shaft clamping arrangement;
FIG. 11 is a perspective view of the stop cap;
FIG. 12 is a perspective view of the right clamp portion;
FIG. 13 is a schematic view showing the connection between the needle shaft holding part and the stopper cap;
FIG. 14 is a perspective view of the fixing base;
fig. 15 is a schematic view of the structure of the injection needle;
FIG. 16 is a cross-sectional view of the present invention;
FIG. 17 is a cross-sectional view of the present invention in the second position;
FIG. 18 is a three sectional view of the present invention;
FIG. 19 is a first schematic top view of the housing and rotary switch;
fig. 20 is a second schematic top view of the housing and the rotary switch.
In the figure: the automatic injection device comprises a rotary switch 1, a shell 2, a needle handle clamping device 3, a 4U-shaped hole, a knob return spring 5, a limiting cover 6, a fixed seat 7, an injection needle 9, a clamping groove 11, a clamping port 12, a rotation stopping bone position 13, a spring supporting bone position 14, a salient point 15, a mounting hole 16, a clamping joint 21, a step hole 22, a clamping sheet 23, a rotation shaft 24, a clamping sheet spring 25, a baffle 26, a spring supporting bone position 27, a guide block 28, a rotation stopping pin 29, a return spring 210, a return hole 211, a fixed block 212, a lug 213, a limiting top plate 61, a wedge-shaped block 62, a clamping block 63, an adjusting groove 71, a guide hole 72, a fixed groove 73, a placing groove 74, a mounting groove 75, a clamping sheet 76, a connecting groove 77, a left clamping part 81, a right clamping part 82, a rotation shaft 83, a clamping groove 84, an avoidance groove 85, a guide column 86, a clamp return spring 87, a needle handle 91, a needle head 92 and an injection tube 93.
Detailed Description
The utility model is further described below with reference to the figures and examples.
Example 1
As shown in fig. 1-14, an automatic needle inserting and assisting device for an injection needle comprises a rotary switch 1, a shell 2 clamped with the rotary switch 1 and a needle handle clamping device 3 arranged in the shell 2. The rotary switch 1 and the shell 2 are both hollow cylinder structures. A fixed table is arranged in the rotary switch 1; the outer diameter of the limit cover 6 is larger than the inner diameter of the fixed table and smaller than the inner diameter of the rotary switch 1.
As shown in fig. 15, the injection needle 9 includes a needle handle 91, an L-shaped needle 92 mounted in the needle handle 91, and an infusion tube 93 communicating with the needle handle 91.
Be equipped with circumference formula joint groove 11 and two symmetry settings in the rotary switch 1 outside and with the joint interface 12 of joint groove 11 intercommunication, be equipped with two mounting holes 16 that open side down in rotary switch 1 lower part symmetry, be equipped with the subassembly that splines on the rotary switch 1 lateral wall between two mounting holes 16 respectively, the subassembly that splines includes bump 15, spring-supported bone position I14 and the bone position 13 that splines that the equipartition set up in proper order.
Two clamping connectors 21 are symmetrically arranged on the inner side wall above the shell 2, and the clamping connectors 21 rotate through the clamping interfaces 12 to enter the clamping grooves 11, so that the rotary switch 1 and the shell 2 are clamped together; be equipped with step hole 22 in shell 2, be equipped with two cowl 26 at the inboard symmetry of step hole 22, be equipped with spring support position of bone II 27 respectively in baffle 26 outside middle part, spring support position of bone II 27 is located spring support position of bone I14 and splines between position of bone 13, and installs knob reset spring 5 between spring support position of bone I14 and spring support position of bone II 27.
The upper plate surface of the stepped hole 22 between the two baffles 26 is respectively provided with a clamping piece 23 through a rotating shaft 24, the outer side of one end of the clamping piece 23 is connected with the inner wall of the shell 2 through a clamping spring 25, the inner side of one end of the clamping piece 23 connected with the clamping spring 25 is provided with a fixing block 212 for clamping with the needle handle clamping device 3, and the outer side of the other end is provided with an arc-shaped convex block 213; two guide blocks 28 are symmetrically arranged on the wall of the step hole 22, and four reset holes 211 provided with reset springs 210 are uniformly distributed on the bottom plate surface of the step hole 22.
The needle handle clamping device 3 comprises a needle handle clamping part, a limiting cover 6 arranged at the top of the needle handle clamping part and a fixing seat 7 sleeved outside the needle handle clamping part.
The needle handle clamping part comprises a left clamping part 81 and a right clamping part 82 which are connected through a rotating shaft 83, guide columns 86 are respectively arranged on the inner sides of the left clamping part 81 and the right clamping part 82, and a clamp return spring 87 is connected and arranged on the two guide columns 86; the injection needle placement groove 74 is provided at the bottom of the left clip 81 and the right clip 82.
The fixed seat 7 comprises a sleeve and a boss arranged at the bottom of the sleeve; and guide holes 72 matched with the guide blocks 28 are vertically formed in two sides of the sleeve respectively, so that the fixed seat 7 vertically moves up and down along the guide blocks 28 on the shell 2. The upper part of the sleeve is provided with a connecting groove 77, the middle lower part of the sleeve is provided with an adjusting groove 71 matched with the fixed block 212, when the fixed block 212 is clamped with the adjusting groove 71, the needle handle clamping device is fixed above the shell 2, and the needle handle clamping part clamped with the injection needle is positioned in the shell 2; when the fixing block 212 is separated from the adjusting groove 71, the needle handle clamping device 3 carries the injection needle to move downwards to implant the injection needle into the skin, and the bottom plate of the fixing seat 7 is flush with the bottom plate of the shell 2.
Two mounting grooves 75 for placing the rotating shaft 83 are formed in the upper inner part of the sleeve; the boss is provided with a fixing groove 73 for mounting the return spring 210, so that the two ends of the return spring 210 are respectively and fixedly connected with the fixing seat 7 and the shell 2, and the two clamping plates 76 are symmetrically arranged inside the fixing seat.
The bottoms of the left clip part 81 and the right clip part 82 are respectively provided with a locking groove 84 which is matched with the locking plate 76.
The circumference of the bottom in the limit cover 6 is respectively provided with a clamping block 63 corresponding to the connecting groove 77; still be equipped with two wedge blocks 62 on the roof in spacing lid 6 symmetrically, the bottom of wedge block is the arc setting, and the bottom of two wedge blocks is tight with the both ends top of pivot 83 respectively.
As shown in fig. 1 and 8, a LOCK, an OPEN mark and an oval mark are further arranged on the rotary switch 1, and an alignment mark is arranged on the housing 2 for displaying the state of the needle assisting device, so that a user can conveniently observe in real time, and the OPEN mark or the LOCK mark corresponds to the alignment mark respectively in the on or off state.
The application process of the embodiment is as follows: when not in use, the holder 7 is in the state shown in fig. 16 by the clip return spring 87 and the stopper cover 6. When the needle assisting device is placed on an infusion tube bracket, the needle assisting device is pressed down by hand at a proper position, the shell 2 and the rotary switch 1 are moved down, the needle handle is clamped in the needle handle placing groove 74, and the clamp return spring 87 is in an original stretching length or stretching state; when the fixing block 212 on the card 23 is pushed into the adjusting groove 71 of the fixing seat 7, the fixing seat 7 is fixed and the pushing is stopped, as shown in fig. 18. When the needle needs to be pricked into the skin, the needle assisting device is pressed on the belly, the shell 2 is held by one hand, the rotary switch 1 is rotated by the other hand, the salient point 15 on the rotary switch 1 is contacted with the convex block 213 on the card 23, the card 23 is rotated around the rotary shaft 24, and the fixing block 212 on the card 23 is ejected out of the adjusting groove 71, as shown in fig. 19; when the fixing block 212 on the card 23 leaves, the fixing seat 7 with the needle handle clamping part, the limiting cover 6 and the infusion tube are popped downwards under the action of the return spring 210, so that the needle is pricked into the skin, and then the needle handle and the infusion tube are pressed by hand to pull the needle assisting device down. When the rotary switch 1 is released, the rotary switch 1 will automatically rotate back to the LOCK position under the action of the knob return spring 5, as shown in fig. 20, and the card 23 will always press against the sidewall of the fixed seat 7 due to the existence of the fixed seat.
Example 2
As shown in fig. 13, compared with embodiment 1, the present embodiment is different in that the outer walls of the left clamping portion 81 and the right clamping portion 82 are respectively provided with a clearance groove 85, and the clearance groove 85 is arranged in parallel with the guide hole 72. The other structures were the same as those in example 1.
The avoiding groove 85 plays a role of limiting the left and right clamping parts 82, when the guide block 28 enters the avoiding groove 85, the left and right clamping parts 82 are separated by a certain distance under the action of the clamp return spring 87, so that the needle handle can be conveniently put in and released, and the clamp return spring 87 is in an original length or a compressed state; when the guide blocks 28 leave the avoiding groove 85, the left and right clamping parts 82 are clamped by the two guide blocks 28, so that the needle handle is clamped by the left and right clamping parts 82. The needle handle can automatically fall off and is convenient to mount by arranging the avoiding groove 85. When the needle handle is mounted, the guide block 28 is positioned in the avoiding groove 85, and then the limit cover 6 is pressed down to separate the guide block 28 from the avoiding groove 85, so that the left and right clamping parts 82 are pushed towards the center to clamp the needle handle, as shown in fig. 17. When the needle is implanted into the skin, the guide block 28 enters the clearance groove 85, so that the left clamping part 82 and the right clamping part 82 are separated to release the needle handle.
Example 3
As shown in fig. 11, compared with embodiment 2, the present embodiment is different in that an arc-shaped limit top plate 61 is provided on the inner top plate of the limit cover 6, and the limit top plate 61 is located right above the needle handle clamping portion. The other structures were the same as those in example 2.
The top of the needle handle clamping part is limited, and the stability of the needle head is further improved.
Example 4
As shown in fig. 1, compared with embodiment 3, the present embodiment is different in that U-shaped holes 4 with downward openings for connecting infusion tubes are respectively formed at the lower parts of the housing 2 and the fixed base 7. The other structures were the same as those in example 3.
Through addding U type hole 4, avoid the infusion pipe to carry out the influence to the depth of inserting the needle at the in-process of inserting the needle, make the condition of inserting the needle control more easily.
Example 5
As shown in fig. 4 to 7, the present embodiment is different from embodiment 4 in that rotation stopping pins 29 are respectively provided at positions between the baffle 26 and the card 23 on the stepped hole 22 of the housing 2. The other structures were the same as in example 4.
The rotation stop pin 29 is used to limit the rotation stop position 13 and prevent the rotation transition press block card spring 25 and the knob return spring 5 from rotating, as shown in fig. 19.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. An automatic needle inserting and assisting device for an injection needle is characterized by comprising a rotary switch, a shell clamped with the rotary switch and a needle handle clamping device arranged in the shell; the rotary switch and the shell are both hollow cylindrical structures; the rotary switch is characterized in that a circumferential clamping groove and two clamping ports which are symmetrically arranged and communicated with the clamping groove are formed in the outer side of the rotary switch, two mounting holes with downward openings are symmetrically formed in the lower portion of the rotary switch, and a rotation stopping assembly is arranged on the side wall of the rotary switch between the two mounting holes and comprises convex points, a spring supporting bone position I and a rotation stopping bone position which are uniformly distributed in sequence; two clamping connectors are symmetrically arranged on the inner side wall above the shell, and the clamping connectors rotate through the clamping interfaces to enter the clamping grooves, so that the rotary switch and the shell are clamped together; a stepped hole is formed in the shell, two arc-shaped baffles are symmetrically arranged on the inner side of the stepped hole, spring support bone positions II are respectively arranged in the middle of the outer sides of the baffles, the spring support bone positions II are located between the spring support bone positions I and the rotation stopping bone positions, and a knob return spring is arranged between the spring support bone positions I and the spring support bone positions II; the upper plate surface of the stepped hole is provided with two baffles, the two baffles are arranged on the upper plate surface of the stepped hole, clamping pieces are arranged between the two baffles through rotating shafts respectively, the outer side of one end of each clamping piece is connected with the inner wall of the shell through a clamping spring, a fixing block used for being clamped with the needle handle clamping device is arranged on the inner side of one end, connected with the clamping spring, of each clamping piece, and an arc-shaped convex block is arranged on the outer side of the other end of each clamping piece; two guide blocks are symmetrically arranged on the wall of the stepped hole, and the guide blocks are connected with the needle handle clamping device in a sliding manner; four reset holes provided with reset springs are uniformly distributed on the bottom plate surface of the stepped hole, and the other ends of the reset springs are fixedly connected with the needle handle clamping device; when the fixed block is clamped with the needle handle clamping device, the needle handle clamping device is positioned above the shell, the rotary switch is rotated, when the convex block is in butt joint with the convex point, the fixed block is separated from the needle handle clamping device, and the needle handle clamping device is pressed downwards under the action of the reset spring.
2. The automatic needle inserting and assisting device for the injection needle according to claim 1, wherein the needle handle clamping device comprises a needle handle clamping part, a limiting cover arranged at the top of the needle handle clamping part and a fixed seat sleeved outside the needle handle clamping part; the needle handle clamping part comprises a left clamping part and a right clamping part which are connected through a rotating shaft, guide columns are respectively arranged on the inner sides of the left clamping part and the right clamping part, and a clamp reset spring is connected and arranged on the two guide columns; and injection needle placing grooves are formed at the bottoms of the left clamping part and the right clamping part.
3. The automatic needle inserting and assisting device for the injection needle according to claim 2, wherein the fixing seat comprises a sleeve and a boss arranged at the bottom of the sleeve; guide holes matched with the guide blocks are vertically formed in the two sides of the sleeve respectively; the upper part of the sleeve is provided with a clamping groove, the middle lower part of the sleeve is provided with an adjusting groove matched with the fixed block, and two mounting grooves for placing the rotating shaft are arranged in the upper part of the sleeve; the boss is provided with a fixing groove for mounting a return spring, and two clamping plates are symmetrically arranged on the inner side of the boss.
4. The automatic needle inserting and assisting device for the injection needle according to claim 3, wherein a locking groove for engaging with the locking plate is provided at the bottom of each of the left and right clip portions.
5. The automatic needle inserting and assisting device for the injection needle according to claim 4, wherein the outer walls of the left clamping portion and the right clamping portion are respectively provided with a avoiding groove, and the avoiding grooves are arranged in parallel with the guide hole.
6. The automatic needle inserting and assisting device for the injection needle according to claim 5, wherein clamping blocks corresponding to the clamping grooves are respectively arranged on the circumference of the bottom in the limiting cover; still the symmetry is equipped with two wedge on the roof in spacing lid, the bottom of wedge is the arc setting, two the bottom of wedge is tight with the both ends top of pivot respectively.
7. The automatic needle inserting and assisting device for the injection needle according to claim 6, wherein an arc-shaped limit top plate is arranged on the limit cover inner top plate, and the limit top plate is positioned right above the needle handle clamping part.
8. The automatic needle inserting and assisting device for an injection needle according to claim 1, wherein a U-shaped hole having a downward opening for connection of an infusion tube is provided in a lower portion of each of the housing and the holder.
9. The automatic needle inserting and assisting device for an injection needle according to claim 2, wherein a fixing table is provided in the rotary switch; the outer diameter of the limiting cover is larger than the inner diameter of the fixing table and smaller than the inner diameter of the rotary switch.
10. The automatic needle inserting and assisting device for injection needles according to claim 1, wherein rotation stopping pins are provided at positions between the stopper and the card respectively in the stepped hole of the housing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110399541.6A CN113082393B (en) | 2021-04-14 | 2021-04-14 | Automatic needle inserting and assisting device for injection needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110399541.6A CN113082393B (en) | 2021-04-14 | 2021-04-14 | Automatic needle inserting and assisting device for injection needle |
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| Publication Number | Publication Date |
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| CN113082393A CN113082393A (en) | 2021-07-09 |
| CN113082393B true CN113082393B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110399541.6A Active CN113082393B (en) | 2021-04-14 | 2021-04-14 | Automatic needle inserting and assisting device for injection needle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113796964B (en) * | 2021-09-27 | 2023-06-20 | 天衍医疗器材有限公司 | Terminal device of orthopedic surgery robot |
| CN115998985B (en) * | 2022-11-30 | 2024-09-24 | 宁波睿爱产品设计有限公司 | Needle aid capable of being used repeatedly |
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|---|---|
| CN113082393A (en) | 2021-07-09 |
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Effective date of registration: 20240926 Address after: Room 412, Building 1, Huayu Xuhui Starry Sky, No. 116 Houhu Avenue, Jiang'an District, Wuhan City, Hubei Province 430000 Patentee after: Wuhan Qiyue Medical Technology Co.,Ltd. Country or region after: China Address before: 450000 No.1-2, building 6, Zone D, intelligent terminal (mobile phone) Industrial Park, Huaxia Avenue and Donghai Road, HANGGANG District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU WANHUI MEDICAL EQUIPMENT Co.,Ltd. Country or region before: China |