CN219613977U

CN219613977U - Special injector for intraspinal anesthesia

Info

Publication number: CN219613977U
Application number: CN202223321750.8U
Authority: CN
Inventors: 史耐云
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-09-01
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to the technical field of syringes, in particular to a syringe special for intraspinal anesthesia, which comprises a syringe, wherein one end of the syringe is an interface end, the syringe is provided with an extension tube in a matching way, the inner wall of the syringe is connected with a push rod in a sliding way, one end of the push rod is fixedly connected with a piston, the piston is connected with the inner wall of the syringe in a sliding way, and one end of the extension tube is provided with a standard interface for connecting an injection needle. According to the injector special for intraspinal anesthesia, through the arrangement of the extension tube, the flexible connection between the injection tube and the puncture needle is realized by the extension tube, mutual interference between the puncture needle and the injection tube is avoided, the insertion port is inserted into the interface end through the arrangement of the extension tube, the interface end is surrounded by the movable petals, the threaded lantern ring is rotated, the movable petals are extruded by the threaded lantern ring, the interface end is extruded and clamped by the movable petals, the extension tube and the interface end are firmly connected, and the extension tube and the interface end are not easy to fall off and are convenient to use.

Description

Special injector for intraspinal anesthesia

Technical Field

The utility model relates to the technical field of syringes, in particular to a syringe special for intraspinal anesthesia.

Background

The current method for using the intraspinal anesthesia is that a common injector is directly connected with an intraspinal anesthesia puncture needle to realize drug delivery, and due to the instability of human soft tissues and the thin and soft characteristics of the puncture needle, the puncture needle cannot be subjected to the impact force of push injection when the liquid medicine is injected, and the injection needle can be separated from the puncture needle, the position of the puncture needle is changed, even the puncture needle is withdrawn from the target part of the injected liquid medicine, and the like, thereby improving the occurrence rate of weakening or even failure of the anesthesia effect.

The existing method for solving the problems is that a puncture needle and a syringe are connected by using a transfusion extension tube for a pump, but the existing transfusion extension tube for the pump aims at prolonging the length of a transfusion device/blood transfusion device, is generally 80-120cm long, is used for anesthesia impact force in a vertebral canal, so that the anesthesia effect is uncertain, is easy to pollute due to long time when the infusion extension tube is applied to flushing treatment, indirectly improves the possibility of operation too much pollution operation, and when the existing transfusion extension tube for the pump is used in vertebral canal anesthesia, the administration pressure of the syringe is high, the interface ends of the extension tube and the syringe are easy to fall off, and the syringe special for anesthesia in the vertebral canal is needed.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide the special syringe for anesthesia in the vertebral canal, the flexible connection between the injection tube and the puncture needle is realized through the arrangement of the extension tube, the mutual interference between the puncture needle and the injection tube is avoided, the insertion port is inserted into the interface end through the arrangement of the extension tube, the interface end is surrounded by a plurality of movable petals, the interface end is rotated to rotate a threaded lantern ring, the movable petals are extruded by the threaded lantern ring, the interface end is extruded and clamped by the movable petals, and meanwhile, the connection between the extension tube and the interface end is firm through the arrangement of the expansion part on the interface end, so that the extension tube and the interface end are not easy to fall off, and the syringe is convenient to use.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a special syringe of intraspinal anesthesia, includes the injection tube, the one end of injection tube is the interface end, the injection tube is provided with the extension tube in the supporting, the inner wall sliding connection of injection tube has the push rod, the one end of push rod has linked firmly the piston, piston and injection tube inner wall sliding connection, the one end of extension tube is provided with the standard interface that is used for connecting the syringe needle, the other end fixed intercommunication of extension tube has the insertion port, the insertion port is used for pegging graft with the interface end, the lateral wall of injection tube has linked firmly quantitative module, realizes the soft connection between injection tube and the pjncture needle through the extension tube, avoids interfering each other between pjncture needle and the injection tube.

The method is further characterized in that: the interface end is including the expansion portion that is located the lateral wall, the external diameter at interface end both ends is less than the external diameter of expansion portion, the other end of extension pipe has linked firmly the sleeve pipe, the sleeve pipe is located the outside of inserting the port, a plurality of movable petals have been linked firmly to annular equidistance of sheathed tube one end, the screw thread has all been seted up to the lateral wall of sleeve pipe and a plurality of movable petals, sheathed tube lateral wall spin-on is connected with the screw thread lantern ring, will insert the port and inject in the interface end, and a plurality of movable petals surround the interface end, rotate the screw thread lantern ring, screw thread lantern ring extrusion movable petal for a plurality of movable petals extrude the clamp to the interface end, simultaneously through the setting of expansion portion on the interface end, make firm in connection between extension pipe and the interface end.

The method is further characterized in that: the thickness of one end of the movable valve, which is away from the extension pipe, is larger than that of the other end, so that the movable valve can conveniently clamp the interface end.

The method is further characterized in that: one end of the insertion port is a conical tube, so that the insertion port and the interface end are conveniently inserted.

The method is further characterized in that: the quantitative module comprises two groove plates, the groove plates are fixedly connected with the outer side wall of the injection cylinder, one end inner wall of one groove plate is fixedly connected with a fixed plate, a plurality of limit grooves are formed in one side of the outer side wall of the fixed plate at equal intervals, a movable plate is arranged on the inner wall of the other groove plate, a pressing plate is fixedly connected with the other end of the push rod, one side outer wall of the pressing plate is fixedly connected with a limit plate, and the limit plate is limited by the fixed plate and the movable plate, so that the push rod pushing distance is limited.

The method is further characterized in that: a plurality of sliding grooves are formed in the outer side wall of one end of the movable plate, limiting blocks are connected to the inner walls of the sliding grooves in a sliding mode, reset springs are fixedly connected between the inner walls of one end of the sliding grooves and one end of the limiting blocks, a plurality of shifting rods are fixedly connected between the outer side walls of one end of the limiting blocks, the shifting rods are shifted, the limiting blocks are separated from the fixed plate, the movable plate is adjusted according to the dosage, the shifting rods are released later, the limiting blocks are connected with the fixed plate in an inserting mode again, the distance between one end of the fixed plate and one end of the movable plate is adjusted, namely the pushing distance of the push rod is adjusted, and therefore dosing is achieved according to requirements.

The method is further characterized in that: the extension tube is made of silica gel or other high-grade biological materials with better flexibility, so that the flexibility of the extension tube is increased.

The utility model has the beneficial effects that:

1. the inserting port is inserted into the interface end through the arrangement of the extension pipe, the plurality of movable petals surround the interface end, the threaded lantern ring is rotated, the threaded lantern ring extrudes the movable petals, so that the plurality of movable petals extrude and clamp the interface end, and meanwhile, through the arrangement of the expansion part on the interface end, the extension pipe is firmly connected with the interface end, and the extension pipe and the interface end are not easy to fall off;

2. through the setting of the quantitative module, the deflector rod is stirred to enable the limiting block to be separated from the fixed plate, the mobile plate is slid to adjust the position of the mobile plate according to the dosage, then the deflector rod is released, the limiting block is spliced with the fixed plate again, the push rod is rotated to enable the limiting plate to rotate to be aligned with the mobile plate, the push rod is pushed, liquid medicine enters the extension pipe and the puncture needle and is discharged, one end of the limiting plate is contacted with one end of the mobile plate, the puncture needle is inserted into a medicine applying position, the push rod is rotated to enable the limiting plate to be aligned with the fixed plate, the push rod is pushed to inject medicine, the push distance between the limiting plate and one end of the fixed plate is stopped, and therefore quantitative medicine application is achieved, and the operation is convenient;

3. through the setting of extension pipe, the extension pipe realizes the soft connection between syringe and the pjncture needle, avoids the mutual interference between pjncture needle and the syringe.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a syringe according to the present utility model;

FIG. 3 is a schematic illustration of a putter in accordance with the present utility model;

FIG. 4 is a schematic diagram of the structure of the quantitative module in the present utility model;

FIG. 5 is a schematic view of a sleeve structure according to the present utility model;

FIG. 6 is a schematic view of the internal structure of the sleeve according to the present utility model;

fig. 7 is a schematic diagram of the structure of the interface end in the present utility model.

In the figure: 100. a syringe; 110. a push rod; 111. a piston; 112. a pressing plate; 113. a limiting plate; 120. a quantification module; 121. a trough plate; 122. a fixing plate; 123. a limit groove; 124. a moving plate; 125. a sliding groove; 126. a return spring; 127. a limiting block; 128. a deflector rod; 130. an interface end; 131. an expansion section; 200. an extension tube; 210. an insertion port; 220. a sleeve; 221. a movable flap; 230. a threaded collar.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the syringe special for intraspinal anesthesia comprises a syringe 100, one end of the syringe 100 is an interface end 130, the syringe 100 is provided with an extension tube 200 in a matching way, the inner wall of the syringe 100 is slidably connected with a push rod 110, one end of the push rod 110 is fixedly connected with a piston 111, the piston 111 is slidably connected with the inner wall of the syringe 100, one end of the extension tube 200 is provided with a standard interface for connecting an injection needle, the other end of the extension tube 200 is fixedly communicated with an insertion port 210, the insertion port 210 is used for being inserted into the interface end 130, the outer side wall of the syringe 100 is fixedly connected with a quantitative module 120, the flexible connection between the syringe 100 and a puncture needle is realized through the extension tube 200, and mutual interference between the puncture needle and the syringe 100 is avoided.

The interface end 130 comprises an expansion part 131 positioned on the outer side wall, the outer diameter of two ends of the interface end 130 is smaller than that of the expansion part 131, the other end of the extension pipe 200 is fixedly connected with a sleeve 220, the sleeve 220 is positioned on the outer side of the insertion port 210, one end of the sleeve 220 is fixedly connected with a plurality of movable flaps 221 in an annular equidistant mode, the outer side walls of the sleeve 220 and the movable flaps 221 are provided with threads, the outer side walls of the sleeve 220 are screwed and connected with a threaded lantern ring 230, the insertion port 210 is inserted into the interface end 130, the movable flaps 221 surround the interface end 130, the threaded lantern ring 230 is rotated, the threaded lantern ring 230 extrudes the movable flaps 221, the interface end 130 is extruded and clamped by the movable flaps 221, meanwhile, the extension pipe 200 and the interface end 130 are firmly connected through the expansion part 131, the thickness of one end of the movable flaps 221, which deviates from the extension pipe 200, is larger than the thickness of the other end, and the movable flaps 221 are convenient to clamp the interface end 130.

The one end of inserting port 210 is the conical tube, be convenient for insert port 210 and interface end 130 grafting, quantitative module 120 includes two frid 121, frid 121 links firmly with syringe 100 lateral wall, and the one end inner wall of frid 121 has linked firmly fixed plate 122, a plurality of spacing grooves 123 have been seted up to fixed plate 122 lateral wall one side equidistance, and the inner wall of another frid 121 is provided with movable plate 124, the other end of push rod 110 has linked firmly clamp plate 112, the one side outer wall of clamp plate 112 has linked firmly limiting plate 113, limit limiting plate 113 through fixed plate 122 and movable plate 124 to push rod 110 advances the distance to restrict.

A plurality of sliding grooves 125 are formed in the outer side wall of one end of the moving plate 124, limiting blocks 127 are slidably connected to the inner wall of the sliding grooves 125, reset springs 126 are fixedly connected between the inner wall of one end of the sliding grooves 125 and one end of the limiting blocks 127, deflector rods 128 are fixedly connected between the outer side walls of one ends of the limiting blocks 127, the deflector rods 128 are stirred, the limiting blocks 127 are separated from the fixed plates 122, the position of the moving plate 124 is adjusted by the sliding moving plate 124 according to the dosage, the deflector rods 128 are then released, the limiting blocks 127 are spliced with the fixed plates 122 again, the distance between one end of the fixed plates 122 and one end of the moving plate 124 is adjusted, namely the pushing distance of push rods 110 is adjusted, quantitative dosing is achieved according to requirements, the extension tube 200 is made of silica gel or other high-grade biological materials with good flexibility, and the flexibility of the extension tube 200 is increased.

The length specification of the extension tube 200 may be 200mm, 300mm, 400mm, 500mm.

Working principle: when in use, the extension tube 200 with corresponding length is taken according to the requirement, the insertion port 210 is inserted into the interface end 130, the plurality of movable petals 221 surround the interface end 130, the threaded lantern ring 230 is rotated, the threaded lantern ring 230 extrudes the movable petals 221, the plurality of movable petals 221 extrude and clamp the interface end 130, meanwhile, the connection between the extension tube 200 and the interface end 130 is firm through the arrangement of the expansion part 131 on the interface end 130, the extension tube 200 and the interface end 130 are not easy to fall off, the puncture needle is connected to the other end of the extension tube 200, the deflector rod 128 is stirred, the limiting block 127 is separated from the fixed plate 122, the sliding moving plate 124 adjusts the position of the moving plate 124 according to the dosage, and then the deflector rod 128 is released, the limiting block 127 is spliced with the fixed plate 122 again, the push rod 110 is rotated, the limiting plate 113 is rotated to be aligned with the moving plate 124, the push rod 110 is pushed, liquid medicine enters the extension tube 200 and the puncture needle and is discharged, one end of the limiting plate 113 is contacted with one end of the moving plate 124, the puncture needle is inserted into a medicine application position, the push rod 110 is rotated, the limiting plate 113 is aligned with the fixed plate 122, the push rod 110 is pushed to perform injection medicine feeding, one end of the limiting plate 113 and one end of the fixed plate 122 are stopped in a contact mode, the pushing distance of the push rod 110 is limited, quantitative medicine feeding is achieved, flexible connection between the injection tube 100 and the puncture needle is achieved through the extension tube 200, and mutual interference between the puncture needle and the injection tube 100 is avoided.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims

1. The utility model provides a special syringe of intraspinal anesthesia, its characterized in that, including syringe (100), the one end of syringe (100) is interface end (130), the supporting extension pipe (200) that is provided with of syringe (100), the inner wall sliding connection of syringe (100) has push rod (110), the one end of push rod (110) has linked firmly piston (111), piston (111) and syringe (100) inner wall sliding connection, the one end of extension pipe (200) is provided with the standard interface that is used for connecting the syringe needle, the other end fixed intercommunication of extension pipe (200) has insertion port (210), insertion port (210) are used for pegging graft with interface end (130), the lateral wall of syringe (100) has linked firmly quantitative module (120).

2. The syringe special for intraspinal anesthesia according to claim 1, characterized in that the interface end (130) comprises an expansion part (131) positioned on the outer side wall, the outer diameter of the two ends of the interface end (130) is smaller than the outer diameter of the expansion part (131), a sleeve (220) is fixedly connected to the other end of the extension tube (200), the sleeve (220) is positioned on the outer side of the insertion port (210), a plurality of movable petals (221) are fixedly connected to one end of the sleeve (220) in an annular equidistant manner, threads are formed on the outer side walls of the sleeve (220) and the plurality of movable petals (221), and a threaded collar (230) is screwed on the outer side wall of the sleeve (220).

3. The intraspinal anesthesia special injector according to claim 2, characterized in that the thickness of the end of the movable flap (221) facing away from the extension tube (200) is greater than the thickness of the other end.

4. The syringe special for intraspinal anesthesia according to claim 1, characterized in that one end of the insertion port (210) is a conical tube.

5. The syringe special for intraspinal anesthesia according to claim 1, wherein the quantitative module (120) comprises two groove plates (121), the groove plates (121) are fixedly connected with the outer side wall of the injection tube (100), one end inner wall of one groove plate (121) is fixedly connected with a fixing plate (122), a plurality of limit grooves (123) are formed in one side of the outer side wall of the fixing plate (122) at equal intervals, a movable plate (124) is arranged on the inner wall of the other groove plate (121), a pressing plate (112) is fixedly connected with the other end of the push rod (110), and one side outer wall of the pressing plate (112) is fixedly connected with a limit plate (113).

6. The syringe special for intraspinal anesthesia according to claim 5, wherein a plurality of sliding grooves (125) are formed in an outer side wall of one end of the moving plate (124), limiting blocks (127) are slidably connected to an inner wall of the sliding grooves (125), a return spring (126) is fixedly connected between an inner wall of one end of the sliding grooves (125) and one end of the limiting blocks (127), and a deflector rod (128) is fixedly connected between outer side walls of one ends of the limiting blocks (127).

7. The syringe special for intraspinal anesthesia according to claim 1, characterized in that the extension tube (200) is made of silica gel or other high-grade biological materials with better flexibility.