CN211132485U

CN211132485U - Hand-held anesthetic syringe

Info

Publication number: CN211132485U
Application number: CN201921835649.XU
Authority: CN
Inventors: 荀世宁; 强波; 段崇珍; 焦明娜; 杜娟
Original assignee: Affiliated Hospital of Shaanxi University of Chinese Medicine
Current assignee: Affiliated Hospital of Shaanxi University of Chinese Medicine
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-31
Anticipated expiration: 2029-10-29

Abstract

The utility model belongs to anesthesia syringe field, especially a hand-held type anesthesia syringe, relatively poor to the stability of current syringe needle, the shake takes place easily when the anesthesia, and is difficult to control injection speed, especially to the medicine that needs the accurate quantity, has the problem that flow bias causes the risk, the scheme that now proposes, it includes the mount pad, the standing groove has been seted up at the top of mount pad, and movable mounting has the syringe needle in the standing groove, and slidable mounting has the piston rod on the syringe needle, and the one end fixed mounting of piston rod has the push pedal, and slidable mounting has the control panel in the standing groove, and one side and the push pedal of control panel contact, have seted up the slide opening on one side inner wall of standing groove, and slidable mounting has the screw rod in the slide opening, and the one end fixed mounting of screw rod has first gear. The utility model discloses rational in infrastructure, convenient operation, this syringe needle's stability is better, is difficult to appear injecting the shake, and can control the injection speed.

Description

Hand-held anesthetic syringe

Technical Field

The utility model relates to an anesthesia syringe technical field especially relates to hand-held type anesthesia syringe.

Background

Anesthesia is various methods adopted for eliminating pain, ensuring patient safety and creating good operation conditions during operation or diagnostic examination operation, and is also used for controlling pain, and currently, an injection type anesthesia mode is mostly carried out by adopting an injection needle;

however, the stability of the existing injection needle is poor, the injection needle is easy to shake during anesthesia, the injection speed is not easy to control, and particularly for the medicine needing accurate dosage, the possibility of causing risks due to flow bias exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the stability of having the syringe needle among the prior art is relatively poor, taking place the shake easily when anaesthetizing, and be difficult to control injection speed, especially to the medicine that needs the accurate quantity, have the shortcoming that the flow biases to cause the risk, and the hand-held type anesthesia syringe that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

hand-held type anesthesia syringe, including the mount pad, the standing groove has been seted up at the top of mount pad, and movable mounting has the syringe needle in the standing groove, and slidable mounting has the piston rod on the syringe needle, and the one end fixed mounting of piston rod has the push pedal, slidable mounting has the control panel in the standing groove, and one side and the push pedal of control panel contact, have seted up the slide opening on one side inner wall of standing groove, and slidable mounting has the screw rod in the slide opening, and the one end fixed mounting of screw rod is on the control panel, and threaded mounting has first gear on the screw rod, and first gear revolve installs the one side at the mount pad, the bottom fixed mounting of mount pad has the post of gripping, grips and is equipped.

Preferably, control mechanism includes second gear, connecting rod and runner, has seted up fixed chamber on the mount pad, has seted up on one side inner wall in fixed chamber and has rotated the hole, rotates downthehole rotation and installs the dwang, and the one end fixed mounting of dwang is on the second gear, second gear and first gear engagement, and the other end fixed mounting of dwang has the worm wheel, and the worm wheel drives the dwang and rotates, and the dwang drives second gear revolve, and the second gear drives first gear revolve.

Preferably, one side of the holding column is provided with a groove, the rotating wheel is rotatably installed in the groove, one side of the rotating wheel is fixedly provided with a first bevel gear, the inner wall of the other side of the fixed cavity is provided with a through hole, the connecting rod is rotatably installed in the through hole, the rotating wheel rotates in the groove and drives the first bevel gear to rotate, and the first bevel gear drives the second bevel gear to rotate.

Preferably, one end of the connecting rod is fixedly provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the other end of the connecting rod is fixedly provided with a worm, the worm is meshed with the worm wheel, the second bevel gear drives the connecting rod to rotate, the connecting rod drives the worm to rotate, and the worm drives the worm wheel to rotate.

Preferably, two fixed holes are formed in the inner wall of one side of the placing groove, two moving plates are fixedly mounted on one side of the control plate, the moving plates are slidably mounted in the corresponding fixed holes, the control plate drives the moving plates to slide in the corresponding fixed holes when moving, and the position of the control plate when moving can be stabilized.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) according to the scheme, the palm of a medical worker is held on the holding column, the thumb is attached to the rotating wheel, the injection needle with the anesthetic and the piston rod are placed in the placing groove, the rotating wheel is driven to rotate by the thumb while the holding column is held, the rotating wheel rotates in the groove and drives the first bevel gear to rotate, the second bevel gear drives the connecting rod to rotate, and the worm drives the worm gear to rotate;

(2) according to the scheme, the worm wheel drives the rotating rod to rotate, the second gear drives the first gear to rotate, the screw rod drives the control plate to slide in the placing groove, the control plate pushes the push plate to move, so that anesthetic can be injected to a patient, and the injection speed can be determined by controlling the rotating speed of the rotating wheel through the thumb;

the utility model discloses rational in infrastructure, convenient operation, this syringe needle's stability is better, is difficult to appear injecting the shake, and can control the injection speed.

Drawings

Fig. 1 is a schematic front view of the hand-held anesthetic syringe according to the present invention;

fig. 2 is a schematic structural view of a part a of the hand-held anesthetic syringe provided by the present invention;

fig. 3 is a schematic structural view of a part B of the hand-held anesthetic syringe provided by the present invention.

In the figure: 1. a mounting seat; 2. a placement groove; 3. an injection needle; 4. a piston rod; 5. pushing the plate; 6. a control panel; 7. a screw; 8. a first gear; 9. rotating the rod; 10. a second gear; 11. a fixed cavity; 12. a worm gear; 13. a groove; 14. a rotating wheel; 15. a first bevel gear; 16. a connecting rod; 17. a second bevel gear; 18. a worm; 19. a holding post; 20. and (5) moving the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, hand-held type anesthesia injector, including mount pad 1, standing groove 2 has been seted up at the top of mount pad 1, movable mounting has syringe needle 3 in the standing groove 2, slidable mounting has piston rod 4 on the syringe needle 3, the one end fixed mounting of piston rod 4 has push pedal 5, slidable mounting has control panel 6 in the standing groove 2, one side and the push pedal 5 of control panel 6 contact, the slide opening has been seted up on one side inner wall of standing groove 2, slidable mounting has screw rod 7 in the slide opening, the one end fixed mounting of screw rod 7 is on control panel 6, first gear 8 is installed to the screw thread on the screw rod 7, first gear 8 rotates and installs the one side at mount pad 1, the bottom fixed mounting of mount pad 1 has grip post 19, be equipped with control mechanism on the grip post 19, control mechanism and.

In this embodiment, control mechanism includes second gear 10, connecting rod 16 and runner 14, fixed chamber 11 has been seted up on the mount pad 1, the rotation hole has been seted up on one side inner wall of fixed chamber 11, the downthehole dwang 9 that installs that rotates, the one end fixed mounting of dwang 9 is on second gear 10, second gear 10 and the meshing of first gear 8, the other end fixed mounting of dwang 9 has worm wheel 12, worm wheel 12 drives dwang 9 and rotates, dwang 9 drives second gear 10 and rotates, second gear 10 drives first gear 8 and rotates.

In this embodiment, a groove 13 is formed in one side of the holding column 19, the rotating wheel 14 is rotatably installed in the groove 13, a first bevel gear 15 is fixedly installed on one side of the rotating wheel 14, a through hole is formed in the inner wall of the other side of the fixing cavity 11, the connecting rod 16 is rotatably installed in the through hole, the rotating wheel 14 rotates in the groove 13 and drives the first bevel gear 15 to rotate, and the first bevel gear 15 drives the second bevel gear 17 to rotate.

In this embodiment, one end of the connecting rod 16 is fixedly provided with a second bevel gear 17, the second bevel gear 17 is engaged with the first bevel gear 15, the other end of the connecting rod 16 is fixedly provided with a worm 18, the worm 18 is engaged with the worm wheel 12, the second bevel gear 17 drives the connecting rod 16 to rotate, the connecting rod 16 drives the worm 18 to rotate, and the worm 18 drives the worm wheel 12 to rotate.

In this embodiment, two fixed holes have been seted up on one side inner wall of standing groove 2, and one side fixed mounting of control panel 6 has two movable plates 20, and movable plate 20 slidable mounting is in the fixed hole that corresponds, and the position when control panel 6 removes can be stabilized in the interior slip of corresponding fixed hole of movable plate 20 of drive when removing.

In this embodiment, the palm of the medical staff holds the holding column 19, as shown in fig. 1, the thumb is attached to the rotating wheel 14, the injection needle 3 with anesthetic and the piston rod 4 are placed in the placement groove 2, the injection needle 3 is inserted into the patient to be anesthetized, the holding column 19 is held while the thumb is used to drive the rotating wheel 14 to rotate, the rotating wheel 14 rotates in the groove 13 and drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the connecting rod 16 to rotate, the connecting rod 16 drives the worm 18 to rotate, the worm 18 drives the worm wheel 12 to rotate, the rotating rod 9 is driven by the worm wheel 12 to rotate, the rotating rod 9 drives the second gear 10 to rotate, the second gear 10 drives the first gear 8 to rotate, the first gear 8 drives the screw 7 to move, the screw 7 drives the control board 6 to slide in the placement groove, control panel 6 promotes push pedal 5 and removes, and push pedal 5 drives piston rod 4 and slides in syringe needle 3, can inject the anesthetic to the patient, and the slew velocity decision of injection speed accessible thumb control runner 14, the palm is held and is gripped post 19 and can be more powerful stable, accords with the ergonomic size, in good order during the use, the utility model discloses rational in infrastructure, convenient operation, the stability of this syringe needle is better, is difficult to appear the injection shake, and can control the injection speed.

Claims

1. A handheld anesthetic syringe comprises a mounting seat (1) and is characterized in that a placing groove (2) is formed in the top of the mounting seat (1), a syringe needle (3) is movably mounted in the placing groove (2), a piston rod (4) is slidably mounted on the syringe needle (3), a push plate (5) is fixedly mounted at one end of the piston rod (4), a control plate (6) is slidably mounted in the placing groove (2), one side of the control plate (6) is in contact with the push plate (5), a sliding hole is formed in the inner wall of one side of the placing groove (2), a screw rod (7) is slidably mounted in the sliding hole, one end of the screw rod (7) is fixedly mounted on the control plate (6), a first gear (8) is mounted on the screw rod (7) in a threaded manner, the first gear (8) is rotatably mounted on one side of the mounting seat (1), and a holding column (19) is, the holding column (19) is provided with a control mechanism which is matched with the first gear (8).

2. The hand-held anesthetic syringe according to claim 1, wherein the control mechanism comprises a second gear (10), a connecting rod (16) and a rotating wheel (14), a fixed cavity (11) is formed in the mounting seat (1), a rotating hole is formed in an inner wall of one side of the fixed cavity (11), a rotating rod (9) is rotatably mounted in the rotating hole, one end of the rotating rod (9) is fixedly mounted on the second gear (10), the second gear (10) is meshed with the first gear (8), and a worm wheel (12) is fixedly mounted at the other end of the rotating rod (9).

3. The hand-held anesthetic injector according to claim 1, characterized in that one side of the holding column (19) is provided with a groove (13), the rotating wheel (14) is rotatably installed in the groove (13), one side of the rotating wheel (14) is fixedly provided with a first bevel gear (15), the other side of the fixing cavity (11) is provided with a through hole, and the connecting rod (16) is rotatably installed in the through hole.

4. The hand-held anesthetic injector according to claim 2, characterized in that one end of the connecting rod (16) is fixedly provided with a second bevel gear (17), the second bevel gear (17) is engaged with the first bevel gear (15), the other end of the connecting rod (16) is fixedly provided with a worm (18), and the worm (18) is engaged with the worm wheel (12).

5. The hand-held anesthetic syringe according to claim 1, characterized in that two fixing holes are opened on the inner wall of one side of the placement groove (2), two moving plates (20) are fixedly installed on one side of the control plate (6), and the moving plates (20) are slidably installed in the corresponding fixing holes.