CN213312746U - Painless injector device for oral cavity - Google Patents

Abstract

An oral painless injector device effectively solves the problem that the injection of narcotic to children in oral surgery is inconvenient; the device comprises a main body in the vertical direction, a transmission groove in the left and right directions is formed in the lower side of the main body, through grooves in the vertical axial direction are formed in the left and right sides of the side wall of the transmission groove respectively, vertical sliding grooves are formed in the left and right sides of the main body respectively, the opening of each sliding groove is upward, the lower side of each sliding groove is communicated with the transmission groove, an injection tube with an upward opening is coaxially and slidably connected in each sliding groove, a piston head capable of moving up and down is arranged in each injection tube, the lower end of each injection tube on the left side is detachably connected with an anesthesia needle head capable of extending out of the through groove on the corresponding side, the lower end of each injection tube on the right side is detachably connected with a hose capable of extending; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Painless injector device for oral cavity

Technical Field

The utility model relates to an auxiliary instrument technical field of department of stomatology, concretely relates to painless injector device in oral cavity.

Background

Among the oral surgery, need earlier take the anesthetic back operation, run into a lot of patients of drawing out the tooth at present, children are many, the sick needle phenomenon, fear leads to struggling, influence the operation, for solving above-mentioned problem, all paint earlier with anesthesia ointment at present, then at the anesthetic needle of beating, pain when can alleviate the anesthetic like this, nevertheless comparatively loaded down with trivial details when the operation, medical personnel's of being not convenient for operation, and the anesthetic needle can't be withdrawed when the anesthetic needle of beating, the anesthetic needle can not be withdrawed, make the patient appear sick needle phenomenon easily, the normal clear of operation of being not convenient for.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model aims to provide an oral painless injector device, which effectively solves the problem of inconvenience in injecting anesthetic to children in oral surgery.

The technical scheme of its solution is, the utility model discloses a main part of up-and-down direction, the transmission groove of left right direction is seted up to the main part downside, axial logical groove about the lateral wall left and right sides has been seted up respectively to the transmission groove downside, axial spout about the left and right sides has been seted up respectively in the main part, spout opening just its downside and transmission groove intercommunication up, coaxial sliding connection has opening injection tube up in the spout, be equipped with the piston head that can reciprocate in the injection tube, left injection tube lower extreme dismantlement is connected with the anesthesia syringe needle that can stretch out its logical groove of corresponding side, the hose that can stretch out its logical groove of corresponding side is dismantled to the injection tube lower extreme on right side, be connected with interior low outer high flexure strip through the fixed plate respectively on the wall of both sides around the transmission groove, both ends.

Compared with the prior art, the beneficial effects of the utility model are that: it is rational in infrastructure, convenient to use sets up main part, injection tube, flexure strip, fixture block, and the medical personnel of being convenient for carry out anesthesia treatment to patient's oral cavity, can shelter from the anesthesia syringe needle simultaneously, and make things convenient for spilling of anesthesia syringe needle, prevents that children's patient from seeing the anesthesia syringe needle and arouse panic or dizzy needle phenomenon, is favorable to medical personnel's operation simultaneously, is equipped with push rod, lug, ejector pad, and the medical personnel of being convenient for is to the use of this device, this simple structure, and convenient operation thinks the novelty, and the practicality is strong.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is a full-section left-side perspective view diagram of the utility model.

Figure 4 is the utility model discloses a partially cut left side axonometric drawing.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

The utility model is given by figures 1 to 4, main part 1 including the upper and lower direction, the transmission groove 2 of left and right sides direction is seted up to main part 1 downside, axial logical groove 3 about the lateral wall left and right sides has been seted up respectively to transmission groove 2 downside, axial spout 4 about the left and right sides has been seted up respectively in main part 1, spout 4 opening up and its downside communicates with transmission groove 2, coaxial sliding connection has injection tube 5 with opening up in the spout 4, be equipped with piston head 6 that can reciprocate in the injection tube 5, 5 lower extremes dismantlement of left injection tube are connected with the anesthesia syringe needle 7 that can stretch out its logical groove 3 that corresponds the side, 5 lower extremes dismantlement on right side are connected with the hose 8 that can stretch out its logical groove 3 that corresponds the side, be connected with interior low outer high flexure strip 10 through fixed plate 9 respectively on the both sides wall around the transmission groove 2, both ends are equipped with the fixture block.

In order to facilitate the movement of the injection cylinder 5, a pressure spring 12 with a free end connected with the bottom surface of the transmission groove 2 is arranged on the lower end surface of the injection cylinder 5.

In order to facilitate pushing the injection tube 5, the left side and the right side of the main body 1 are respectively provided with a moving groove 13, the openings of the two moving grooves 13 are back to back and communicated with the sliding grooves 4 on the corresponding sides, the moving grooves 13 are internally and slidably connected with connecting blocks 14 fixed to the injection tube 5 on the corresponding sides, and the back ends of the two connecting blocks 14 extend out of the moving grooves 13 on the corresponding sides and are provided with push blocks 15.

In order to facilitate the release of the position restriction of the injection cylinder 5, a push rod 16 positioned between the two sliding grooves 4 is slidably connected to the main body 1, the upper end of the push rod 16 penetrates through the main body 1, and the lower end of the push rod 16 is inserted into the transmission groove 2 and is provided with a projection 17 capable of contacting with the elastic sheet 10.

In order to facilitate the movement of the piston head 6, the upper end of the piston head 6 is provided with a piston rod 18 in the vertical direction, and the upper end of the piston rod 18 extends out of the injection cylinder 5 and is provided with a push handle 19.

In order to facilitate the swing of the elastic piece 10 pushed by the latch 11, the outer edge surfaces of the two latches 11 are inclined surfaces with the upper sides inclined outwards.

When the utility model is used, anesthetic is sucked into the left injection tube 5, anesthetic ointment is sucked into the right injection tube 5, the right push block 15 is pressed downwards, the push block 15 drives the right injection tube 5 to move downwards through the connecting block 14, the right injection tube 5 drives the hose 8 to move and extend out of the through groove 3 on the corresponding side, meanwhile, the right injection tube 5 drives the clamping block 11 to move downwards and contact with the elastic sheets 10, along with the movement of the right injection tube 5, the injection tube 5 extrudes the compression spring 12, and the clamping block 11 pushes the two elastic sheets 10 to swing outwards, when the clamping block 11 moves to the lower part of the elastic pieces 10, the two elastic pieces 10 swing inwards and contact with the injection tube 5, at the moment, the pushing block 15 is released, under the action of the pressure spring 12, the right injection cylinder 5 moves upwards to enable the lower end face of the elastic buckle to be in contact with the upper end face of the fixture block 11, and the position of the right injection cylinder 5 is fixed;

after the position of the right syringe 5 is fixed, the hose 8 extends out of the through groove 3, the right push handle 19 is pushed downwards at the moment, the push handle 19 drives the piston head 6 on the corresponding side to move downwards through the piston rod 18, and the piston head 6 pushes the anesthetic ointment in the right syringe 5 to flow into the oral cavity of the patient from the hose 8 to preliminarily anesthetize the oral cavity of the patient;

after the initial anesthesia of the oral cavity of a patient, the left push block 15 is pressed downwards, the left push block 15 drives the injection tube 5 on the corresponding side to move downwards through the connecting block 14, the left injection tube 5 drives the anesthesia needle 7 to move downwards and extend out of the through groove 3 on the corresponding side, meanwhile, the left injection tube 5 drives the clamping block 11 to move downwards and contact with the elastic sheet 10, along with the movement of the left injection tube 5, the injection tube 5 extrudes the compression spring 12, the left clamping block 11 pushes the two elastic sheets 10 to swing outwards, when the clamping block 11 moves to the lowest side of the elastic sheets 10, the two elastic sheets 10 swing back to the limit position, at the moment, the upper end surface of the right clamping block 11 is not contacted with the lower end surface of the elastic sheet 10, the right clamping block 11 can pass through the injection tube 10, under the action of the right compression spring 12, the right push block 5 moves upwards and returns to the initial position, at the moment, the left push block 15 continues to move downwards, when the left push block 15 is separated from the elastic pieces 10, the two elastic pieces 10 swing relatively and are in contact with the left injection tube 5, the left push block 15 is loosened, the position of the left injection tube 5 is fixed under the action of the left fixture block 11 and the elastic pieces 10, the anesthetic needle 7 extends out of the tube groove, and anesthetic in the left injection tube 5 is injected into the oral cavity of a patient by pushing the push handle 19 downwards to finish anesthesia on the oral cavity of the patient;

if the injection tube 5 needs to be restored to the initial position, the push rod 16 is moved downwards, the push rod 16 drives the projection 17 to move downwards and contact with the elastic sheet 10, the projection 17 is continuously moved, the projection 17 pushes the elastic sheet 10 to swing outwards, and when the elastic sheet 10 swings to be not in contact with the fixture block 11, the injection tube 5 on the left side swings upwards and is restored to the initial position under the action of the left-side pressure spring 12.

Compared with the prior art, the beneficial effects of the utility model are that: it is rational in infrastructure, convenient to use sets up main part, injection tube, flexure strip, fixture block, and the medical personnel of being convenient for carry out anesthesia treatment to patient's oral cavity, can shelter from the anesthesia syringe needle simultaneously, and make things convenient for spilling of anesthesia syringe needle, prevents that children's patient from seeing the syringe needle and arouse panic or dizzy needle phenomenon, is favorable to medical personnel's operation simultaneously, is equipped with push rod, lug, ejector pad, and the medical personnel of being convenient for is to the use of this device, this simple structure, convenient operation conceives the novelty, and the practicality is strong.

Claims (6)

1. An oral painless injector device comprises a main body (1) in the vertical direction, and is characterized in that a transmission groove (2) in the left and right directions is formed in the lower side of the main body (1), a vertical axial through groove (3) is formed in the left and right sides of the lower side wall of the transmission groove (2) respectively, vertical axial sliding grooves (4) are formed in the left and right sides of the main body (1) respectively, the openings of the sliding grooves (4) are upward, the lower sides of the sliding grooves are communicated with the transmission groove (2), injection cylinders (5) with upward openings are coaxially and slidably connected in the sliding grooves (4), piston heads (6) capable of moving up and down are arranged in the injection cylinders (5), anesthesia needles (7) capable of extending out of the through grooves (3) in the corresponding sides are detachably connected at the lower ends of the injection cylinders (5) in the left side, hoses (8) capable of extending out the through grooves (3) in the corresponding sides are detachably connected at the lower, the front end and the rear end of the injection tube (5) are respectively provided with a clamping block (11) which is positioned at the lower side of the injection tube and can be contacted with the elastic sheet (10).

2. An oral painless injector device according to claim 1, characterized in that the lower end face of the injection cylinder (5) is provided with a pressure spring (12) whose free end is connected with the bottom face of the transmission groove (2).

3. The oral painless injector device according to claim 1, characterized in that the left and right sides of the main body (1) are respectively provided with a moving groove (13), the two moving grooves (13) are opposite in opening and communicated with the sliding grooves (4) on the corresponding sides, the moving grooves (13) are connected with connecting blocks (14) fixed with the injection tubes (5) on the corresponding sides in a sliding manner, and the opposite ends of the two connecting blocks (14) extend out of the moving grooves (13) on the corresponding sides and are provided with pushing blocks (15).

4. An oral painless injector device according to claim 1, characterized in that the main body (1) is slidably connected with a push rod (16) between the two slide slots (4), the upper end of the push rod (16) penetrates the main body (1), the lower end of the push rod (16) is inserted into the transmission slot (2) and is provided with a projection (17) capable of contacting with the elastic sheet (10).

5. The painless injector device of claim 1, wherein the piston head (6) is provided with a piston rod (18) at the upper end in the up-down direction, the upper end of the piston rod (18) extends out of the syringe (5) and is provided with a push handle (19).

6. The oral painless injector device as claimed in claim 1, wherein the outer edge surfaces of the two said blocks (11) are inclined surfaces with upper sides inclined outwards.

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