CN212307978U

CN212307978U - Auxiliary needle inserting device for epidural anesthesia

Info

Publication number: CN212307978U
Application number: CN201921279262.0U
Authority: CN
Inventors: 俞晓东; 田保杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2021-01-08
Anticipated expiration: 2029-08-08

Abstract

The utility model provides an epidural anesthesia auxiliary needle inserter. Supplementary needle ware of inserting of epidural anesthesia includes mounting panel, handle, storing mechanism, injection mechanism, elastic mechanism, pulling mechanism, coupling mechanism, stop gear, storing mechanism sets up in the mounting panel, storing mechanism includes spout, fixed block and leads to the groove, the spout is transversely set up in the mounting panel, fixed block fixed connection in the one end of mounting panel, it transversely sets up in to lead to the groove in the fixed block, just lead to the groove with the spout intercommunication sets up, injection mechanism sliding connection in the spout. The utility model provides an epidural anesthesia assists needle inserter has easy operation swiftly, and the injection process is safe quick, through the in-process of not carrying out the injection to the patient, protects the syringe needle, has effectively reduced the possibility of the sharp-pointed position bruise medical staff and the patient of syringe needle, the high advantage of security.

Description

Auxiliary needle inserting device for epidural anesthesia

Technical Field

The utility model relates to an auxiliary needle inserting device technical field especially relates to an epidural anesthesia auxiliary needle inserting device.

Background

The epidural space is located in the narrow space between the vertebral canal periosteum and the dura mater, is filled with fat, the intraspinal venous plexus and the lymphatic vessels, and is passed by the spinal nerve root and its accompanying blood vessels, and is in negative pressure. In the course of treatment of some patients, epidural anesthesia is required, and generally, an anesthetic solution is injected through a common syringe.

In the process of injecting the anesthetic liquid medicine into some special patients, a plurality of medical staff are required to perform mandatory restriction behaviors due to emotional changes of the patients, the syringe needle of the injection anesthetic liquid medicine has the risk of scratching the medical staff and the patients, has certain potential safety hazards, and is not beneficial to the anesthetic treatment of the patients.

Therefore, there is a need to provide a new epidural anesthesia auxiliary needle inserter to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides an easy operation is swift, and the injection process is safe quick, through the in-process of not carrying out the injection to the patient, protects the syringe needle, has effectively reduced the possibility of the sharp-pointed part bruise medical staff and the patient of syringe needle, and the supplementary needle ware of inserting of epidural anesthesia of security height.

The utility model provides an epidural anesthesia assists needle inserter includes: the handle is fixedly connected to the lower end of the mounting plate; the storage mechanism is arranged in the mounting plate and comprises a sliding groove, a fixing block and a through groove, the sliding groove is transversely arranged in the mounting plate, the fixing block is fixedly connected to one end of the mounting plate, the through groove is transversely arranged in the fixing block, and the through groove is communicated with the sliding groove; the injection mechanism is connected in the sliding groove in a sliding mode and comprises an injection cylinder, a needle head, a piston and a pressing rod, the injection cylinder is connected in the sliding groove in a sliding mode, the needle head is fixedly connected to one end of the injection cylinder, the needle head is inserted into the through groove, the piston is connected in the injection cylinder in a sliding mode, and the pressing rod is transversely and fixedly connected to one end, far away from the needle head, of the piston; the elastic mechanism is arranged in the inner wall of the sliding chute and comprises a sliding cavity, an annular sliding block and a first spring, the sliding cavity is annularly arranged in the inner wall of the sliding chute, the annular sliding block is connected in the sliding cavity in a sliding mode, one end, close to the fixed block, of the sliding cavity is connected to the side wall of the annular sliding block through the first spring, and the annular sliding block is connected to the injection cylinder; the pulling mechanism is fixedly connected to the annular sliding block; the connecting mechanism is rotatably connected to the annular sliding block; and the limiting mechanism is arranged on the handle.

Preferably, the pulling mechanism comprises a pull rod and a first strip-shaped opening, the first strip-shaped opening is formed in the side wall of the upper side of the mounting plate, the strip-shaped opening is communicated with the sliding cavity, the pull rod is fixedly connected to the side wall of the annular sliding block, and the pull rod penetrates through the first strip-shaped opening.

Preferably, the connecting mechanism comprises a connecting block, a first connecting groove and an annular convex block, the connecting block is rotatably connected to the side wall of one side of the annular sliding block, which is far away from the first spring, the first connecting groove is formed in the connecting block, the annular convex block is fixedly connected to the side wall of the injection cylinder, and the annular convex block is inserted into the first connecting groove.

Preferably, stop gear includes second spread groove, second spring, gag lever post, spacing groove, connecting rod and second bar opening, the vertical seting up in the handle of second spread groove, just the vertical sliding connection of gag lever post in the second spread groove and pass through the second spring with the downside wall connection of second spread groove, the spacing groove is seted up in on the lateral wall of annular slider, just the upper end of gag lever post is run through the second spread groove extends to in the spacing groove, the horizontal fixed connection of connecting rod in on the lateral wall of gag lever post, second bar opening sets up in on the lateral wall of handle, just the connecting rod runs through second bar opening sets up.

Preferably, the handle is sleeved with a rubber sleeve.

Preferably, one end, far away from the mounting plate, of the fixing block is arc-shaped.

Compared with the prior art, the utility model provides an epidural anesthesia assists needle inserter has following beneficial effect:

this device easy operation is swift, and the injection process is safe quick, through at the in-process that does not inject the patient, protects the syringe needle, has effectively reduced the possibility of sharp-pointed portion scotch medical staff and patient of syringe needle, has improved its security, and the device is convenient for more than traditional syringe take to aim at patient's injection position and carry out anesthesia liquid medicine injection operation, the patient's of being convenient for rehabilitation.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an epidural anesthesia auxiliary needle inserter provided by the utility model;

FIG. 2 is a side view of the annular mounting plate of FIG. 1;

FIG. 3 is a schematic view of the structure shown at A in FIG. 1;

fig. 4 is a schematic structural diagram at B shown in fig. 1.

Reference numbers in the figures: 1. mounting panel, 2, handle, 3, storing mechanism, 31, spout, 32, fixed block, 33, logical groove, 4, injection mechanism, 41, injection cylinder, 42, syringe needle, 43, piston, 44, press the pole, 5, elastic mechanism, 51, smooth chamber, 52, annular slider, 53, first spring, 6, pulling mechanism, 61, pull rod, 62, first bar opening, 7, coupling mechanism, 71, connecting block, 72, first connecting groove, 73, annular lug, 8, stop gear, 81, second connecting groove, 82, second spring, 83, gag lever post, 84, spacing groove, 85, connecting rod, 86, second bar opening.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of an epidural anesthesia auxiliary needle inserter provided by the present invention; FIG. 2 is a side view of the annular mounting plate of FIG. 1; FIG. 3 is a schematic view of the structure shown in FIG. 1 at A; fig. 4 is a schematic structural diagram at B shown in fig. 1. The epidural anesthesia auxiliary needle inserting device comprises: the device comprises an installation plate 1, a handle 2, a storage mechanism 3, an injection mechanism 4, an elastic mechanism 5, a pulling mechanism 6, a connecting mechanism 7 and a limiting mechanism 8.

In a specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the storage mechanism 3 is disposed in the mounting plate 1, the storage mechanism 3 includes a sliding slot 31, a fixing block 32 and a through slot 33, the sliding slot 31 is transversely disposed in the mounting plate 1, the fixing block 32 is fixedly connected to one end of the mounting plate 1, the through slot 33 is transversely disposed in the fixing block 32, the through slot 33 is communicated with the sliding slot 31, the injection mechanism 4 is slidably connected in the sliding slot 31, the injection mechanism 4 includes an injection tube 41, a needle 42, a piston 43 and a pressing rod 44, the injection tube 41 is slidably connected in the sliding slot 31, the needle 42 is fixedly connected to one end of the injection tube 41, the needle 42 is inserted in the through slot 33, the piston 43 is slidably connected in the injection tube 41, the pressing rod 44 is transversely fixedly connected to one end of the piston 43 away from the needle 42, the elastic mechanism 5, The device comprises an annular sliding block 52 and a first spring 53, wherein a sliding cavity 51 is annularly arranged in the inner wall of a sliding groove 31, the annular sliding block 52 is slidably connected in the sliding cavity 51, one end of the sliding cavity 51, which is close to a fixed block 32, is connected on the side wall of the annular sliding block 52 through the first spring 53, the annular sliding block 52 is connected on a syringe 41, the first spring 53 in the drawing 1 is in a stretching state, in the using process of the device, the limitation of the annular sliding block 52 is relieved through a limiting mechanism 8, under the action of the elastic force of the first spring 53, the syringe 41 is driven to slide towards the sliding groove 31, a needle 42 leaks out of a through groove 33, the needle 42 is inserted into anesthetic liquid, a pressing rod 44 is pulled to drive a piston 43 to slide in the syringe 41 to suck the anesthetic liquid, after the anesthetic liquid is washed out, the annular sliding block 52 is pulled outwards through a pulling mechanism 6 to extrude the first spring 53, and the annular, the injection tube 41 is driven to slide in the chute 31, the needle 42 is retracted into the through groove 33, then the annular slide block 52 is limited and fixed through the limiting mechanism 8, waiting for anesthesia operation on a patient, the handle 2 is held, the through groove 33 on the fixing block 32 is aligned to the position of the patient needing to inject anesthetic liquid medicine, the limitation of the limiting mechanism 8 is removed, under the action of the elastic force of the first spring 53, an impact force is applied to the injection tube 41, the injection tube 41 slides into the chute 31 quickly, the needle 42 is inserted into the position of the patient needing to inject anesthetic liquid medicine after leaking out of the through groove 33, the pressing rod 44 can be pushed, the piston 43 is extruded, the anesthetic liquid medicine in the injection tube 41 is injected into the patient, the operation is simple and quick, the injection process is safe and quick, the possibility that the sharp part of the needle 42 scratches medical staff and the patient is reduced, the safety of the device is improved, and the device is more convenient to take and align, is convenient for the rehabilitation of patients.

Referring to fig. 1, the pulling mechanism 6 includes a pull rod 61 and a first bar-shaped opening 62, the first bar-shaped opening 62 is opened on the upper side wall of the mounting plate 1, and the bar-shaped opening 62 is communicated with the sliding cavity 51, the pull rod 61 is fixedly connected to the side wall of the annular slider 52, and the pull rod 61 penetrates through the first bar-shaped opening 62, and the annular slider 52 is driven to slide in the sliding cavity 51 by pulling the pull rod 61.

Referring to fig. 1 and 4, the connecting mechanism 7 is rotatably connected to the annular slider 52, the connecting mechanism 7 includes a connecting block 71, a first connecting groove 72, and an annular protrusion 73, the connecting block 71 is rotatably connected to a side wall of the annular slider 52 away from the first spring 53, the first connecting groove 72 is opened in the connecting block 71, the annular protrusion 73 is fixedly connected to a side wall of the syringe 41, and the annular protrusion 73 is inserted in the first connecting groove 72, when the injection mechanism 4 needs to be taken out, the connection between the injection mechanism 4 and the annular slider 52 can be released through the connecting mechanism 7, the connecting block 71 is rotated to separate the first connecting groove 72 from the annular protrusion 73, so that the connection between the injection mechanism 4 and the annular slider 52 can be released, the injection mechanism 4 can be taken out, and the cleaning and replacement can be performed.

Referring to fig. 1 and 3, the limiting mechanism 8 is provided on the handle 2, the limiting mechanism 8 includes a second connecting groove 81, a second spring 82, a limiting rod 83, a limiting groove 84, a connecting rod 85 and a second strip-shaped opening 86, the second connecting groove 81 is vertically provided in the handle 2, the limiting rod 83 is vertically and slidably connected in the second connecting groove 81 and connected with the lower inner wall of the second connecting groove 81 through the second spring 82, the limiting groove 84 is provided on the side wall of the annular slider 52, the upper end of the limiting rod 83 penetrates through the second connecting groove 81 and extends into the limiting groove 84, the connecting rod 85 is transversely and fixedly connected to the side wall of the limiting rod 83, the second strip-shaped opening 86 is provided on the side wall of the handle 2, the connecting rod 85 penetrates through the second strip-shaped opening 86, the handle 2 is held by hand, the connecting rod 85 is pushed downwards to compress the second spring 82, the limiting rod 83 is driven to separate from the limiting groove 84, under the action of the elastic force of the first spring 53, an impact force is applied to the injection tube 41, so that the injection tube 41 slides into the sliding groove 31 quickly, the upper end of the limiting rod 83 slides on the side wall of the annular slide block 52, when the limiting groove 84 on the annular slide block 52 is located at the position corresponding to the limiting rod 83 in the process of pulling the pull rod 61, due to the fact that the side wall of the annular slide block 52 is not extruded, under the action of the elastic force of the second spring 82, the limiting rod 83 is inserted into the limiting groove 84 to lock the annular slide block 52, the whole sliding process of the annular slide block 52 is over the limiting rod 83, and the limiting rod 83 cannot be located at two ends of the annular slide block 52.

Referring to fig. 1, a rubber sleeve is sleeved on the handle 2, so that the medical staff can hold the device conveniently.

Referring to fig. 1, the end of the fixing block 32 away from the mounting plate 1 is arc-shaped, so that the end of the fixing block 32 away from the mounting plate 1 does not scratch medical staff and patients.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. An epidural anesthesia auxiliary needle inserter, characterized by comprising:

the handle comprises a mounting plate (1) and a handle (2) fixedly connected to the lower end of the mounting plate (1);

the storage mechanism (3) is arranged in the mounting plate (1), the storage mechanism (3) comprises a sliding groove (31), a fixing block (32) and a through groove (33), the sliding groove (31) is transversely arranged in the mounting plate (1), the fixing block (32) is fixedly connected to one end of the mounting plate (1), the through groove (33) is transversely arranged in the fixing block (32), and the through groove (33) is communicated with the sliding groove (31);

the injection mechanism (4) is connected in the sliding groove (31) in a sliding manner, the injection mechanism (4) comprises an injection cylinder (41), a needle (42), a piston (43) and a pressing rod (44), the injection cylinder (41) is connected in the sliding groove (31) in a sliding manner, the needle (42) is fixedly connected to one end of the injection cylinder (41), the needle (42) is inserted into the through groove (33), the piston (43) is connected in the injection cylinder (41) in a sliding manner, and the pressing rod (44) is transversely and fixedly connected to one end, away from the needle (42), of the piston (43);

the elastic mechanism (5) is arranged in the inner wall of the sliding chute (31), the elastic mechanism (5) comprises a sliding cavity (51), an annular sliding block (52) and a first spring (53), the sliding cavity (51) is arranged in the inner wall of the sliding chute (31) in an annular mode, the annular sliding block (52) is connected in the sliding cavity (51) in a sliding mode, one end, close to the fixed block (32), of the sliding cavity (51) is connected to the side wall of the annular sliding block (52) through the first spring (53), and the annular sliding block (52) is connected to the injection cylinder (41);

the pulling mechanism (6), the said pulling mechanism (6) is fixedly connected to the said annular slide block (52);

the connecting mechanism (7), the said connecting mechanism (7) is connected to the said annular slide block (52) rotatably;

the limiting mechanism (8) is arranged on the handle (2).

2. The epidural anesthesia auxiliary needle inserter according to claim 1, characterized in that the pulling mechanism (6) comprises a pull rod (61) and a first strip-shaped opening (62), the first strip-shaped opening (62) is opened on the upper side wall of the mounting plate (1), the strip-shaped opening (62) is communicated with the sliding cavity (51), the pull rod (61) is fixedly connected to the side wall of the annular sliding block (52), and the pull rod (61) is arranged through the first strip-shaped opening (62).

3. The epidural anesthesia auxiliary needle inserter according to claim 1, characterized in that the connecting mechanism (7) comprises a connecting block (71), a first connecting groove (72), and an annular projection (73), wherein the connecting block (71) is rotatably connected to a side wall of the annular slide block (52) away from the first spring (53), the first connecting groove (72) is opened in the connecting block (71), the annular projection (73) is fixedly connected to a side wall of the syringe (41), and the annular projection (73) is inserted in the first connecting groove (72).

4. The epidural anesthesia auxiliary needle inserter according to claim 1, characterized in that the limiting mechanism (8) comprises a second connecting groove (81), a second spring (82), a limiting rod (83), a limiting groove (84), a connecting rod (85) and a second strip-shaped opening (86), the second connecting groove (81) is vertically opened in the handle (2), the limiting rod (83) is vertically and slidably connected in the second connecting groove (81) and connected with the lower inner wall of the second connecting groove (81) through the second spring (82), the limiting groove (84) is opened on the side wall of the annular sliding block (52), the upper end of the limiting rod (83) penetrates through the second connecting groove (81) and extends into the limiting groove (84), the connecting rod (85) is transversely and fixedly connected on the side wall of the limiting rod (83), the second strip-shaped opening (86) is formed in the side wall of the handle (2), and the connecting rod (85) penetrates through the second strip-shaped opening (86).

5. The epidural anesthesia auxiliary needle inserter according to the claim 1, characterized in that the handle (2) is sleeved with a rubber sleeve.

6. The epidural anesthesia auxiliary needle inserter according to claim 1, characterized in that one end of the fixing block (32) away from the mounting plate (1) is arc-shaped.