CN209123077U - A kind of anesthesia fixed device of constant speed injection - Google Patents

Abstract

The utility model relates to a kind of anesthesia constant speed to inject fixed device, and it is unstable effectively to solve syringe fixation, it has not been convenient to the problem of；Its technical solution solved is the shell for including, there is through slot on the leading flank of shell, there are two be located at through slot rear and the semicircle shape curved rod with through slot coaxial placement in shell, two curved rods or so are placed side by side, each curved rod can be rotated along around its circumferencial direction, the lateral surface of curved rod is rack shape, curved rod is engaged with gear, it gear coaxial placement and can relatively rotate, the rack gear of two front-rear directions placement is fitted in through slot, rack gear can be moved forward and backward along shell, two rack gears are placed up and down and the flank of tooth is opposite, two rack gears are corresponded with the gear of left and right two respectively, pressure spring is connected between the rear end and shell of rack gear, the rear end of rack gear is equipped with protruding block, shell is equipped with the pin matched with protruding block, pin can move up and down, pin can clamping protruding block；The utility model clever structure, it is novel, it is simple to use.

Description

A kind of anesthesia fixed device of constant speed injection

Technical field

The utility model relates to syringe auxiliary tool field, especially a kind of anesthesia injects fixed device with constant speed.

Background technique

Currently, when anaesthetizing sb. generally to patient, commonly using the mode of Intravenous Anesthesia, in Intravenous Anesthesia, often Need to control the amount of anaesthetic, and the rate request injected is also very stringent, therefore auxiliary frequently with micro-injection pump progress Injection is helped, but at present using during micro-injection pump, when syringe is fixed, often due to micro-injection pump sheet Body fixation is unstable, and often so that syringe and micro-injection pump is detached from clamping due to accidentally accidentally encountering, to cause Malpractice, and traditional micro-injection pump generally requires to adjust the card on micro-injection pump on the other hand in fixed syringe Syringe is put into micro-injection pump on the other hand by tight device, inconvenient for operation, therefore needs a kind of more simple and effective dress at present It sets to solve the problems, such as this.

Utility model content

For above situation, to solve problems of the prior art, the purpose of the utility model is just to provide one kind Anesthesia injects fixed device with constant speed, and it is unstable can effectively to solve syringe fixation, it has not been convenient to the problem of.

Its technical solution solved is the shell for including micro-injection pump, and the leading flank of shell is equipped with the logical of left and right directions Slot, shell is interior there are two through slot rear and the semicircle shape curved rod with through slot coaxial placement is located at, and two curved rods or so are side by side It places, each curved rod can be rotated along around its circumferencial direction, and the lateral surface of curved rod is rack shape, the outside of each curved rod Face is engaged with a gear, controls two gear coaxial placements and can relatively rotate, two front-rear directions are fitted in through slot The rack gear of placement, rack gear can be moved forward and backward along shell, and two rack gears are placed up and down and the flank of tooth is opposite, two rack gears respectively with left and right Two gears correspond, and pressure spring is connected between the rear end and shell of rack gear, and the rear end of rack gear is equipped with protruding block, sets on shell There is the pin matched with protruding block, pin can move up and down, and pin can clamping protruding block.

The utility model benefit clever structure, it is novel, it is simple to use, medical staff can be facilitated to consolidate syringe It is fixed, reduce the operation of medical staff, improves safety.

Detailed description of the invention

Fig. 1 is the utility model of the whole structure diagram.

Fig. 2 is the utility model left view sectional view (not holding state tightly).

Fig. 3 is A-A sectional view in Fig. 2.

Specific embodiment

Specific embodiment of the present utility model is described in further details below in conjunction with attached drawing.

It is provided by Fig. 1 to Fig. 3, the utility model includes the shell 1 of micro-injection pump, and the leading flank of shell 1 is equipped with a left side The through slot 2 of right direction, there are two being located at 2 rear of through slot and the semicircle shape curved rod 3 with 2 coaxial placement of through slot in shell 1, two Curved rod 3 or so is placed side by side, and each curved rod 3 can be rotated along around its circumferencial direction, and the lateral surface of curved rod 3 is rack gear 5 Shape, the lateral surface of each curved rod 3 are engaged with a gear 4, control two 4 coaxial placements of gear and can relatively rotate, lead to The rack gear 5 of two front-rear directions placement is fitted in slot 2, rack gear 5 can be moved forward and backward along shell 1, two about 5 rack gears placements and The flank of tooth is opposite, and two rack gears 5 are corresponded with the gear 4 of left and right two respectively, is connected with pressure between the rear end and shell 1 of rack gear 5 Spring 6, the rear end of rack gear 5 are equipped with protruding block 7, and shell 1 is equipped with the pin 8 matched with protruding block 7, and pin 8 can move up and down, Pin 8 can clamping protruding block 7.

In order to which the length for stretching out two curved rods 3 is consistent, the axis of two gears 4 in left and right and the axis of through slot 2 Line is located in the same horizontal plane.

In order to relatively rotate two gears 4 in left and right, the center of two gears 4, which is run through, is fixed on shell Shaft 9 on 1, is attached between shaft 9 and gear 4 by bearing.

Smoothly be moved forward and backward for the ease of rack gear 5, in the shell 1 on set that there are two plates placed in parallel above and below 10, upper and lower two rack gears 5 can vertically two plates 10 slide back and forth respectively.

In order to allow pin 8 preferably fixation can clamping, the plate 10 is equipped with through-hole up and down, pin 8 are inserted into through-hole and can move up and down along through-hole, and 8 upper bush of pin has tension spring, and one end of tension spring and the outer end of pin 8 are solid Fixed, the other end is fixed on plate 10.

Pin 8 for ease of operation, the outer end of the pin 8 are connected with the rope for being placed in 1 outside of shell.

When the utility model is used, pin 8 is in the state of non-clamping protruding block 7, this hour rack 5 can be connected to rack gear Elongation state is under the action of pressure spring 6 between 5 rear ends and shell 1, at the same time, two curved rods 3 are in shell 1 Inside does not extend out shell 1.

When being injected, stamps a venous detaining needle on arm by medical staff first, then needing When being anaesthetized, appropriate anaesthetic will be absorbed by anesthetist in syringe, after then micro-injection pump is steadily placed, by Syringe is fixed on micro-injection pump by anesthetist, is then opened the switch on syringe pump as needed, is injected.

It when syringe is fixed, is placed a syringe in through slot 2 first, syringe can squeeze through slot 2 at this time Interior rack gear 5, moves backward rack gear 5, and when rack gear 5 moves backward, rack gear 5 can make to rotate with 5 meshed gears 4 of rack gear, Want to engage with the gear 4 at two 3 rears of curved rod in left and right since two about 5 rack gears are placed, and respectively, while shaft 9 and tooth It is attached between wheel 4 by bearing, i.e., is set with bearing in shaft 9, gear 4 is sleeved on outside bearing, passes through above-mentioned mechanism Cooperate, realize when upper and lower two rack gears 5 while when moving backward, at this time the gears 4 of left and right two can synchronous backwards rotation, After further side's gear 4 rotates, want that the curved rod 3 engaged can be rotated under the drive of gear 4 with gear 4 at this time.

Since two gears 4 in left and right are synchronous backward rotation, two curved rods 3 in left and right can also be rotated backward, and make two A curved rod 3 stretches out shell 1 from the two sides up and down of through slot 2 respectively, and holds syringe tightly, since two curved rods 3 or so are placed, Therefore be applied to syringe enclasping force can more with distribution, thus make syringe keep stablize.

When syringe continues to move backward, the protruding block 7 of this 5 rear end of hour rack can squeeze pin 8, for the ease of squeezing, The settable inclined-plane in the inner end of pin 8, after pin 8 is extruded outer movement, protruding block 7 moves backward again, and pin 8 is inside at this time Mobile meeting clamping protruding block 7, is further fixed the position of rack gear 5, this hour rack 5 can be in the effect of pin 8 and pressure spring 6 Lower holding is stablized, while curved rod 3 also stops operating, and keeps stablizing.

When use finishes, when needing to remove syringe, at this time by being connected to the rope pulling of 8 outer end of pin or more two A pin 8, pin 8 can be displaced outwardly at this time, be mutually disengaged pin 8 with protruding block 7, and after disengaging, this hour rack 5 can pressed Under the action of spring 6, shell 1 is moved forward and stretches out, after rack gear 5 moves forward, two gears 4 in left and right can rotate again, together When gear 4 also will drive curved rod 3 rotation, make curved rod 3 withdraw shell 1 in, syringe can be taken out at this time.

The utility model is stuck in syringe in groove by curved rod 3 by the rotatable curved rod 3 of setting, and Afterwards, it further through the setting of rack gear 5 and gear 4, completes horizontal movement and is converted to rotary motion, be then converted to curved rod 3 again Rotation can make the rotation of arc plate stem hold note tightly simultaneously to realize during syringe is mobile into through slot 2 Emitter.

The utility model ensure that the stabilization of 5 stress of rack gear, make gear 4 in the mistake moved backward by setting plate 10 Cheng Zhong can keep horizontality, so that preferably meshing gear 4, decreases unnecessary abrasion, pin 8 and protruding block 7 Cooperation, syringe can be made by stable clamping, prevent the disengaging of syringe caused by accident collision, by after rack gear 5 Side's setting pressure spring 6, on the one hand can make rack gear 5 automatically reset, on the other hand ensure that the dynamics of clamping, not pull pin 8 In the case where, syringe can be by clamping always.

The utility model clever structure, it is novel, it is simple to use, medical staff can be facilitated to subtract the fixation of syringe The operation for having lacked medical staff, improves safety.

Claims (6)

1. a kind of anesthesia injects fixed device, the shell (1) including micro-injection pump, which is characterized in that shell (1) with constant speed Leading flank is equipped with the through slot (2) of left and right directions, in shell (1) there are two be located at through slot (2) rear and with through slot (2) is coaxial puts The semicircle shape curved rod (3) set, two curved rod (3) left and right are placed side by side, and each curved rod (3) can be along around its circumferencial direction The lateral surface of rotation, curved rod (3) is rack gear (5) shape, and the lateral surface of each curved rod (3) is engaged with a gear (4), left It right two gear (4) coaxial placements and can relatively rotate, the rack gear (5) of two front-rear directions placement, tooth are fitted in through slot (2) Item (5) can be moved forward and backward along shell (1), and two rack gears (5) are placed up and down and the flank of tooth is opposite, two rack gears (5) respectively with left and right Two gears (4) correspond, and are connected with pressure spring (6) between the rear end and shell (1) of rack gear (5), the rear end of rack gear (5) is equipped with Protruding block (7), shell (1) are equipped with the pin (8) matched with protruding block (7), and pin (8) can move up and down, and pin (8) can Clamping protruding block (7).

2. a kind of anesthesia according to claim 1 injects fixed device with constant speed, which is characterized in that the left and right two The axis of gear (4) and the axis of through slot (2) are located in the same horizontal plane.

3. a kind of anesthesia according to claim 1 injects fixed device with constant speed, which is characterized in that two gears (4) center is attached between shaft (9) and gear (4) by bearing through there is the shaft (9) being fixed on shell (1).

4. a kind of anesthesia according to claim 1 injects fixed device with constant speed, which is characterized in that the shell (1) It is set on interior there are two plate placed in parallel above and below (10), upper and lower two rack gears (5) respectively can be vertically before two plates (10) After slide.

5. a kind of anesthesia according to claim 4 injects fixed device with constant speed, which is characterized in that the plate (10) It is equipped with through-hole up and down, pin (8) is inserted into through-hole and can move up and down along through-hole, and pin (8) upper bush has drawing Spring, one end of tension spring and the outer end of pin (8) are fixed, and the other end is fixed on plate (10).

6. a kind of anesthesia according to claim 1 injects fixed device with constant speed, which is characterized in that the pin (8) Outer end be connected with the rope being placed on the outside of shell (1).