CN209253049U - A new cricothyroid membrane puncture device - Google Patents

Abstract

The utility model discloses a novel cricothyroid membrane puncture device, which comprises a neck sleeve. The inside of the neck sleeve is provided with a first slot, the first slot runs through the upper end of the neck sleeve, and the inside of the first slot is slidably connected with a fixed block. , the outer end of the fixed block is fixed with a connecting column, and the outer end of the connecting column is engaged with a fixed ring, the fixed ring is fixed at one end of the fixed sleeve, and the end of the fixed sleeve far away from the fixed ring is symmetrically provided with two second slots, the fixed sleeve A piston tube is plugged inside, and both sides of the piston tube are provided with threaded blocks, and the threaded blocks are movably connected inside the second card slot, and the insides of the two second card slots are slidingly connected with sliders, and the outside of the piston tube A blocking block is arranged inside the end, and a piston rod is arranged inside the piston tube. The utility model realizes that the fixed block can be fixed in the first slot through the movable engagement of the second wedge at the bottom of the fixed block and the first wedge, which increases the stability of the device and improves the success of the puncture operation. Rate.

Description

A new cricothyroid membrane puncture device

technical field

The utility model relates to the technical field of medical instruments, in particular to a novel cricothyroid membrane puncture device.

Background technique

Cricothyropuncture is one of the first aid methods clinically used for patients with airway obstruction and severe dyspnea. It can buy time for tracheotomy and is an important part of on-site first aid. At the same time, it has the advantages of simplicity, quickness, and effectiveness. However, most of the tools used in the current cricothyroid puncture technique are of the same type, and during the puncture operation, the patient often turns over and over due to physical discomfort, which causes a lot of trouble for the fixation of the puncture. Therefore, during the puncture operation, the fixation of the tool is also very important. In the puncture operation, the depth of the puncture is also very important. In order to improve the success rate of the operation and simplify the operation difficulty of the operation, the utility model provides a new cricothyroid membrane piercing device.

Utility model content

The purpose of this utility model is to provide a novel cricothyroid membrane puncture device to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a novel cricothyroid membrane puncture device, including a neck sleeve, the inside of the neck sleeve is provided with a first slot, and the first slot runs through the upper end of the neck sleeve. The inside of the first card slot is slidably connected with a fixed block, the outer end of the fixed block is fixed with a connecting column, and the outer end of the connecting column is engaged with a fixed ring, and the fixed ring is fixed at one end of the fixed sleeve. The end of the fixed sleeve away from the fixed ring is symmetrically provided with two second slots, and the inside of the fixed sleeve is plugged with a piston tube. Both sides of the piston tube are provided with threaded blocks, and the threaded blocks are movably connected to the Inside the second draw-in groove, the insides of the two second draw-in grooves are all slidably connected with sliders, and the outer ends of the sliders are slidably connected to the inside of the second threaded ring, and the second threaded ring is meshed and connected to the fixed sleeve. and the outer ring surface of the second thread ring is meshed with the first thread ring, the upper end of the slider is movably connected with the lower end of the thread block, and the outer ring surface of the thread block is connected to the inner ring of the first thread ring face-to-face connection;

A blocking block is provided inside the outer end of the piston tube, and a piston rod is provided inside the piston tube, and one end of the piston rod passes through the blocking block and is fixedly connected to the piston slidingly connected inside the piston tube;

Two second wedges are arranged on both sides of the bottom end of the fixed block, and the bottoms of the two second wedges are movably engaged with a first wedge, and the first wedge is slidably connected to the inside of the neck sleeve. One side of the first wedge is connected to the side wall of the inner groove of the neck sleeve through a spring, and a pressure shaft is fixed on the side of the first wedge away from the spring, and the pressure shaft is slidably connected to the inside of the neck sleeve. The end of the final shaft away from the first wedge is movably connected with the elliptical cylinder, and the elliptical cylinder is rotatably connected with the inside of the neck sleeve.

Preferably, a screw block is rotatably connected to the front end of the bottom side of the neck sleeve, and the screw block is connected to an elliptical cylinder through a shaft.

Preferably, the end of the piston tube away from the block is spike-shaped, and a plurality of through holes are symmetrically provided.

Preferably, a pressure block is fixedly sleeved outside the end of the piston tube close to the block.

Preferably, a rubber band is connected to both ends of the neck sleeve.

Compared with the prior art, the beneficial effect of the utility model is: the utility model is engaged and connected to the fixed sleeve through the inner ring surface of the second thread ring, the outer ring surface is engaged with the first thread ring, and the first thread ring It can be engaged and fixed with the threaded block, and the position of the slider can be adjusted by turning the second threaded ring in advance to select the depth of the puncture operation, and then the piston tube can be fixed through the first threaded ring, and the second wedge at the bottom of the fixed block can be used The movable snap connection with the first wedge realizes that the fixed block can be fixed in the first slot, which increases the stability of the device and improves the success rate for puncture operations.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the explosion diagram of the utility model;

Fig. 3 is a sectional view of the utility model piston tube;

Fig. 4 is a partial sectional view of the fixed sleeve and the piston tube of the present utility model;

Fig. 5 is the enlarged view of place A of Fig. 4 of the present utility model;

Fig. 6 is a partial connection sectional view of the piston tube and the fixed sleeve of the utility model;

Fig. 7 is a partial connection sectional view of the neck sleeve and the fixed block of the utility model;

Fig. 8 is an enlarged view of B in Fig. 7 of the present utility model.

In the figure: 1, neck sleeve, 101, first slot, 2, fixed sleeve, 201, second slot, 3, fixed block, 31, connecting column, 32, second wedge, 4, first thread ring , 5. Fixed ring, 6. Rubber belt, 7. Press block, 8. Piston rod, 81. Piston, 9. Piston tube, 91. Threaded block, 92. Through hole, 10. Screw block, 11. Blocking block, 12, ellipse cylinder, 13, the second thread circle, 14, slide block, 15, spring, 16, the first wedge, 17, finale.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-8, the utility model provides a technical solution: a novel cricothyroid membrane puncture device, including a neck sleeve 1, the inside of the neck sleeve 1 is provided with a first slot 101, the first slot 101 Through the upper end of the neck sleeve 1, a fixed block 3 is slidably connected to the inside of the first slot 101, the fixed block 3 is inserted into the inside of the neck sleeve 1 from the upper end of the first slot 101, and the outer end of the fixed block 3 is fixed There is a connecting column 31, and the external engagement of the connecting column 31 is connected with a fixed ring 5, and the fixed ring 5 is fixed on one end of the fixed sleeve 2, and the end of the fixed sleeve 2 away from the fixed ring 5 is symmetrically provided with two second The slot 201, the inside of the fixed sleeve 2 is plugged with a piston tube 9, and both sides of the piston tube 9 are provided with threaded blocks 91, and the threaded blocks 91 are movably connected to the inside of the second slot 201, The insides of the two second slots 201 are slidingly connected with sliders 14, the sliders 14 can slide inside the second slots 201, and block the threaded block 91 to adjust the threaded block 91 in the second slots 201. position inside, thereby adjusting the depth of the insertion of the piston tube 9 into the fixed sleeve 2, the outer end of the slider 14 is slidably connected to the inside of the second threaded ring 13, and the second threaded ring 13 can be rotated so that the second threaded ring 13 can be fixed The sleeve 2 rotates and slides, and the slider 14 is respectively slidably connected in the second locking groove 201 and the second threaded ring 13, so that turning the second threaded ring 13 can drive the sliding block 14 to slide up and down inside the second locking groove 201 , the second threaded ring 13 is meshed and connected to the outside of the fixed sleeve 2, and the outer ring surface of the second threaded ring 13 is meshed with the first threaded ring 4, the upper end of the slider 14 and the lower end of the threaded block 91 It is movably connected, and the outer ring surface of the threaded block 91 is meshed with the inner ring surface of the first threaded ring 4. When a suitable position is selected to fix the slider 14, the threaded block 91 can slide to be close to the slider 14 and then It is connected with the first threaded ring 4, and the second threaded ring 13 and the threaded block 91 are fixed by the first threaded ring 4, so that the insertion depth of the piston tube 9 can be arbitrarily selected, so that the piston tube 9 cannot be moved arbitrarily to prevent damage ;

The outer end of the piston tube 9 is provided with a blocking block 11, the blocking block 11 can ensure that the sliding of the piston rod 8 in the piston tube 9 is more stable, and the inside of the piston tube 9 is provided with a piston rod 8, and one end of the piston rod 8 runs through The blocking block 11 is fixedly connected with the piston 81 which is slidingly connected to the inside of the piston tube 9;

Both sides of the bottom end of the fixed block 3 are provided with two second wedges 32, and the bottoms of the two second wedges 32 are movably engaged with the first wedge 16, and the first wedge 16 is slidably connected to the Inside the neck sleeve 1, one side of the first wedge 16 is connected to the inner groove side wall of the neck sleeve 1 by a spring 15, and the side of the first wedge 16 away from the spring 15 is fixed with a pressure shaft 17, so The finale shafts 17 are slidably connected inside the neck sleeve 1, and the ends of the two finale shafts 17 away from the first wedge 16 are movably connected to the elliptical cylinder 12, and the elliptical cylinder 12 is rotatably connected to the inside of the neck sleeve 1. When the fixed block 3 When sliding to the bottom of the first draw-in groove 101, the first wedge 16 locks the second wedge 32, and the elliptical cylinder 12 is rotated to push the pressing shafts 17 on both sides outward, so that the first wedge 16 and the second The wedge 32 is separated, and the fixed block 3 can be taken out.

Specifically, a screw block 10 is rotatably connected to the front end of the bottom side of the neck sleeve 1 , and the screw block 10 is connected to the elliptical cylinder 12 through a shaft, and the rotating screw block 10 can rotate with the elliptical cylinder 12 .

Specifically, the end of the piston tube 9 away from the blocking block 11 is in the shape of a spike, and is symmetrically provided with a plurality of through holes 92, and the through holes 92 are holes for sucking foreign matter in the throat after puncture.

Specifically, the end of the piston tube 9 close to the blocking block 11 is fixedly sleeved with a pressure block 7. When the piston rod 8 is pressed down and pulled out, the pressure block 7 can be used as a hand grip.

Specifically, a rubber band 6 is connected to both ends of the neck sleeve 1 , and the rubber band 6 is a fixing device for fixing the neck sleeve 1 .

Working principle: When using this device, clamp the fixed block 3 inside the first card slot 101, turn the second threaded ring 13 according to the depth of puncture, adjust the position of the slider 14, and insert the piston with the piston 81 The rod 8 is inserted into the piston tube 9, then the rubber band 6 is pulled away, the neck sleeve 1 is placed on the patient's neck from the patient's head, the fixed sleeve 2 is fixed on the fixed block 3 through the fixed ring 5, and then the belt with Insert the piston tube 9 of the piston rod 8 into the fixed sleeve 2, and insert it into the throat of the patient through the hole on the fixed block 3, then tighten the first thread ring 4 to fix the piston tube 9, and then pull out the piston rod 8 , through the through hole 92 at one end of the piston tube 9, the foreign matter in the patient's throat can be removed into the inner cavity of the piston tube 9. After use, the piston tube 9 is pulled out, and the neck sleeve 1 is removed from the patient's neck.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A novel cricothyroid membrane puncture device, comprising a neck sleeve (1), characterized in that: the inside of the neck sleeve (1) is provided with a first slot (101), and the first slot (101) runs through the neck The upper end of the sleeve (1), the inside of the first slot (101) is slidably connected with a fixed block (3), the outer end of the fixed block (3) is fixed with a connecting column (31), and the connecting column ( 31) is connected with a fixed ring (5) for external engagement, and the fixed ring (5) is fixed at one end of the fixed sleeve (2), and the end of the fixed sleeve (2) away from the fixed ring (5) is symmetrically provided with two The second card slot (201), the inside of the fixed sleeve (2) is plugged with a piston tube (9), and both sides of the piston tube (9) are provided with threaded blocks (91), and the threaded block (91 ) is movably connected to the inside of the second draw-in groove (201), and the inside of the two second draw-in grooves (201) is slidably connected with a slider (14), and the outer end of the slider (14) is slidably connected to the The inside of the second threaded ring (13), the second threaded ring (13) is engaged and connected to the outside of the fixed sleeve (2), and the outer ring surface of the second threaded ring (13) is engaged with the first threaded ring (4), the upper end of the slider (14) is movably connected to the lower end of the threaded block (91), and the outer ring surface of the threaded block (91) is meshed with the inner ring surface of the first threaded circle (4); The outer end of the piston tube (9) is provided with a blocking block (11), and the inside of the piston tube (9) is provided with a piston rod (8), and one end of the piston rod (8) runs through the blocking block (11) and slides The piston (81) connected to the inside of the piston tube (9) is fixedly connected; Two second wedges (32) are arranged on both sides of the bottom end of the fixed block (3), and the bottoms of the two second wedges (32) are movably clamped with a first wedge (16). The first wedge (16) is slidably connected to the inside of the neck sleeve (1), and one side of the first wedge (16) is connected to the inner groove side wall of the neck sleeve (1) by a spring (15). The side of the first wedge (16) away from the spring (15) is fixed with a final shaft (17), and the final shaft (17) is slidably connected to the inside of the neck sleeve (1), and the two final shafts (17) are far away from the first wedge One end of the block (16) is movably connected with the oval cylinder (12), and the oval cylinder (12) is rotatably connected inside the neck sleeve (1). 2. A novel cricothyroid membrane puncture device according to claim 1, characterized in that: the front end of the bottom side of the neck sleeve (1) is rotatably connected with a screw block (10), and the screw block (10) passes through The shaft is connected with the elliptical cylinder (12). 3. A novel cricothyroid membrane puncture device according to claim 1, characterized in that: the end of the piston tube (9) away from the block (11) is spike-shaped, and a plurality of through holes are symmetrically provided (92). 4. A new type of cricothyroid membrane puncture device according to claim 1, characterized in that: the end of the piston tube (9) close to the blocking block (11) is fixedly sleeved with a pressure block (7). 5. A novel cricothyroid membrane puncture device according to claim 1, characterized in that a rubber band (6) is connected to both ends of the neck sleeve (1).