CN221045284U

CN221045284U - Tracheal cannula fixer

Info

Publication number: CN221045284U
Application number: CN202321811990.8U
Authority: CN
Inventors: 陈延伟; 党少康; 金发光; 潘蕾; 张彤彤; 冯凯; 何伟; 刘雨柔
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-05-31
Anticipated expiration: 2033-07-11

Abstract

The utility model provides an endotracheal intubation fixer, which comprises a curved surface shell, wherein the curved surface shell comprises a left shell, a right shell and two groups of binding belts, the left end of the left shell and the right end of the right shell are provided with hanging buckles fixedly connected with the left shell and the right shell, one ends of the two groups of binding belts are respectively and detachably connected to the hanging buckles, the upper ends of the left shell and the right shell are rotationally connected, the lower ends of the left shell and the right shell are buckled and connected, matched semicircular notches are arranged on the left shell and the right shell, the upper ends of the left shell and the right shell are provided with strip-shaped through holes, and the right shell is provided with sputum sucking windows; the fixing part comprises an insertion tube fixing assembly and two groups of tooth clamping assemblies, wherein the insertion tube fixing assembly is fixedly connected to the semicircular notch, and the two groups of tooth clamping assemblies are respectively and movably connected with the two groups of strip-shaped through holes.

Description

Tracheal cannula fixer

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an endotracheal intubation fixer.

Background

With the rapid development of emergency techniques, the requirements on the integration level of various devices required for rescuing critical patients are higher and higher, the tracheal intubation is an important measure for rescuing critical patients, the tracheal intubation refers to the process of inserting a special tracheal catheter into the trachea of a patient through the oral cavity or the nasal cavity, and the tracheal intubation is a technique for anesthesia in the trachea and rescuing the patient, is also the most reliable means for keeping the upper respiratory tract smooth, and is mainly used for medical techniques such as clinical emergency resuscitation, rescuing respiratory muscle paralysis, operative anesthesia, opening airways and the like.

The function of the tracheal cannula fixing device in the actual operation process is very important, and the tracheal cannula fixing device is a necessary condition for determining whether rescue can be implemented and whether the rescue is smooth or not.

The trachea cannula fixing device in the prior art has the following problems that firstly, the trachea cannula is fixed in a fixing mode through sleeving or clamping after the cannula is inserted, and the cannula which is easy to cause poor force control of medical staff in the clamping or sleeving process shakes, so that great harm can be brought to a patient, secondly, most of the tooth pad positions in the existing fixing device are fixed and cannot be adjusted, and the unsuitable tooth pad brings poor experience to part of patients, and the phenomenon of biting the trachea is easy to occur due to insufficient mouth opening degree.

In view of the above, there is a need for an endotracheal tube holder that solves the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide an endotracheal intubation fixer which is simple to fix and can adjust the opening degree and the biting position of the oral cavity of a patient.

In order to achieve the above object, the present utility model adopts a technical scheme that an endotracheal intubation fixer includes:

The curved surface shell comprises a left shell, a right shell and two groups of binding belts, the left end of the left shell and the right end of the right shell are provided with hanging buckles fixedly connected with the left shell and the right end of the right shell, one ends of the two groups of binding belts are respectively detachably connected to the hanging buckles, the upper ends of the left shell and the right shell are rotationally connected, the lower ends of the left shell and the right shell are buckled and connected, matched semicircular notches are formed in the left shell and the right shell, strip-shaped through holes are formed in the upper ends of the left shell and the right shell, and a sputum suction window is formed in the right shell;

the fixed part comprises an insertion tube fixed assembly and two groups of tooth clamping assemblies, the insertion tube fixed assembly is fixedly connected to the semicircular notch, and the two groups of tooth clamping assemblies are respectively and movably connected with the two groups of strip-shaped through holes.

Preferably, the cannula fixing component comprises a left semicircular tube, a right semicircular tube, an adjusting rod and a contact table, wherein the middle position of the convex surface of the left semicircular tube is fixedly connected in a semicircular notch formed in the left shell, the middle position of the convex surface of the right semicircular tube is fixedly connected in a semicircular notch formed in the right shell, the contact table is positioned in the concave surface of the left semicircular tube, one end of the adjusting rod penetrates through the left semicircular tube and is fixedly connected with the contact table, and the adjusting rod is in threaded connection with the left semicircular tube.

Preferably, the tooth screens subassembly includes rectangular bar, two sets of locking subassembly, the dwang, the spiral-handle, the rectangular dish, two sets of pinion rack, two sets of tooth stings piece and gear, the rectangular dish is located curved surface shell concave surface, bar through-hole and rectangular dish fixed connection are passed to rectangular bar one end, be equipped with special-shaped cavity in the rectangular dish, the gear is located special-shaped cavity intermediate position, two sets of pinion rack and rectangular dish movable connection, one pinion rack one end pierces through the roof from rectangular dish left side upper end and is located its inboard, another pinion rack one end pierces through the diapire from rectangular dish right side lower extreme and is located its inboard, and pinion rack and gear engagement are connected, two sets of tooth stings piece respectively fixed connection in two sets of pinion rack and keep away from rectangular dish one end, rectangle pole and rectangular dish and gear fixed connection are passed to the dwang, rotate with the rectangular dish and be connected, the other end and spiral-handle fixed connection, two sets of locking subassembly are located rectangular pole upper end respectively, and it is connected with rectangular bar fixed connection, with curved surface shell movable connection.

Preferably, the locking component comprises a sloping plate, a spring and a convex block, one end of the sloping plate is hinged to the right end of the rectangular rod, the other end of the sloping plate is fixedly connected with the convex block, one end of the spring is fixedly connected with the rectangular rod, and the other end of the spring is fixedly connected with the convex block.

Preferably, a plurality of concave holes matched with the convex blocks are formed in the bottom wall and the top wall of the strip-shaped through hole.

Preferably, the tooth biting block is provided with a biting groove, and a silica gel pad fixedly connected with the biting groove is arranged in the biting groove.

Preferably, the lower end of the left shell is provided with a retaining ring fixedly connected with the left shell, and the right shell is provided with a spherical buckle fixedly connected with the right shell.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the tracheal cannula fixing device, the cannula fixing component is used for fixing the cannula in a mode that two semicircular tubes are folded, and the risk that the cannula shakes in the process of clamping the cannula in a traditional fixing mode to cause discomfort of a patient is effectively avoided.

2. According to the tracheal cannula fixer, the tooth clamping assemblies are arranged, the traditional arc-shaped tooth pad is replaced by the tooth biting blocks, and the large adjustable interval enables medical staff to adjust the tooth biting block according to different patients, so that the suitability is high, the oral cavity of the patient can be effectively widened, and the situation that the patient bites the cannula is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of an endotracheal tube holder provided by the present utility model;

FIG. 2 is a schematic cross-sectional view of a dental detent assembly according to an embodiment of the present utility model;

fig. 3 is a schematic view showing an internal cross-sectional structure of a rectangular disk in an embodiment of the present utility model.

Reference numerals illustrate:

1. a curved surface shell; 10. a left housing; 100. a bar-shaped through hole; 1000. concave holes; 102. a clasp ring; 11. a right housing; 110. a sputum suction window; 111. a spherical buckle; 12. binding belts; 13. hanging buckle;

2. A fixing part; 20. a cannula fixation assembly; 200. a left semicircular tube; 201. a right semicircle tube; 202 adjusting the rod; 203. a contact table; 21. a dental detent assembly; 210. a rectangular bar; 211. a locking assembly; 2110. a sloping plate; 2111. a spring; 2112. a bump; 212. a rotating rod; 213. a rotary handle; 214. a rectangular plate; 2140. a special-shaped cavity; 215. a toothed plate; 216. tooth biting blocks; 2160. a biting groove; 2161. a silica gel pad; 217. a gear;

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

[ Embodiment one ]

Referring to fig. 1-3, an endotracheal tube holder comprising:

The curved surface shell 1, the curved surface shell 1 includes a left shell 10, a right shell 11 and two groups of binding belts 12, the left end of the left shell 10 and the right end of the right shell 11 are provided with hanging buckles 13 fixedly connected with the left shell and the right shell, one ends of the two groups of binding belts 12 are respectively detachably connected to the hanging buckles 13, the upper ends of the left shell 10 and the right shell 11 are rotationally connected, the lower ends of the left shell 10 and the right shell 11 are buckled and connected, the left shell 10 and the right shell 11 are provided with matched semicircular notches 101, the upper ends of the left shell 10 and the right shell 11 are provided with strip-shaped through holes 100, and the right shell 11 is provided with sputum suction windows 110;

The fixing part 2, the fixing part 2 includes a cannula fixing component 20 and two groups of tooth clamping components 21, the cannula fixing component 20 is fixedly connected to the semicircular notch 101, and the two groups of tooth clamping components 21 are respectively movably connected with the two groups of strip-shaped through holes 100.

Before specific use, the tooth gripping blocks 216 are adjusted by rotating the rotary handle 213 and meshing the gears 217 with the toothed plates 215, so that the tooth gripping blocks 216 are in a furled state, namely, the straight line distance between the two tooth gripping blocks 216 is minimum, then the purpose that the protruding blocks 2112 are separated from the concave holes 1000 is achieved by pinching the inclined plates 2110 to be extruded, then the positions of the tooth clamping assemblies 21 can be freely adjusted, the tooth clamping assemblies 21 are ensured not to be blocked in the oral cavity of a patient in principle, and it is worth noting that the movement track of the protruding blocks 2112 is arc-shaped in theory, but the change of the relative positions of the protruding blocks 2112 is negligible due to the small displacement distance of the protruding blocks 2112 in the utility model, and the lengths of the toothed plates 215 of the two groups are unequal and the lengths of the toothed plates 215 contacted with the lower jaw are longer due to the positions of the strip-shaped through holes 100;

When the device is specifically used, after the cannula is inserted, firstly, the curved surface shell 1 is opened, then the curved surface shell 1 is sleeved on the cannula in a folding way of the left shell 10 and the right shell 11, then, the position of the curved surface shell is moved, the tooth clamping assembly 21 is positioned in the oral cavity of a patient, then, the folding of the curved surface shell 1 is completed through the buckles 102 and 111, the position of the tooth biting block 216 is adjusted through the rotary handle 213, the teeth of the patient can bite in the biting groove 2160, then, the position of the contact table 203 is changed through the adjusting rod 202, the cannula is fixed, and finally, the whole fixation can be completed through the binding belt 12.

Specifically, the cannula fixing assembly 20 includes a left semicircular tube 200, a right semicircular tube 201, an adjusting rod 202 and a contact table 203, the middle position of the convex surface of the left semicircular tube 200 is fixedly connected in the semicircular notch 101 provided on the left housing 10, the middle position of the convex surface of the right semicircular tube 201 is fixedly connected in the semicircular notch 101 provided on the right housing 11, the contact table 203 is positioned in the concave surface of the left semicircular tube 200, one end of the adjusting rod 202 penetrates through the left semicircular tube 200 and is fixedly connected with the contact table 203, and the adjusting rod 202 is in threaded connection with the left semicircular tube 200; the purpose that the curved surface shell 1 is sleeved on the insertion pipe is achieved through the folding mode of the left semicircular pipe 200 and the right semicircular pipe 201, the position of the contact table 203 is changed through the adjustment of the adjusting rod 202, and the contact table 203 and the right semicircular pipe 201 form clamping and fixing of the insertion pipe.

Specifically, the tooth positioning assembly 21 includes a rectangular rod 210, two sets of locking assemblies 211, a rotary rod 212, a rotary handle 213, a rectangular disc 214, two sets of toothed plates 215, two sets of tooth biting blocks 216 and a gear 217, wherein the rectangular disc 214 is located in the concave surface of the curved surface shell 1, one end of the rectangular rod 210 passes through the strip-shaped through hole 100 and is fixedly connected with the rectangular disc 214, a special-shaped cavity 2140 is arranged in the rectangular disc 214, the gear 217 is located in the middle of the special-shaped cavity 2140, two sets of toothed plates 215 are movably connected with the rectangular disc 214, one end of one toothed plate 215 penetrates through the top wall from the upper end of the left side of the rectangular disc 214 and is located in the inner side of the rectangular disc, one end of the other toothed plate 215 penetrates through the bottom wall from the lower end of the right side of the rectangular disc 214 and is located in the inner side of the rectangular disc 214, the toothed plate 215 is meshed and connected with the gear 217, two sets of tooth biting blocks 216 are respectively fixedly connected with one end of the two sets of toothed plates 215 far away from the rectangular disc 214, one end of the rotary rod 212 passes through the rectangular rod 210 and the rectangular disc 214 and the gear 217 and is fixedly connected with the rectangular disc 212, and the other end of the rectangular disc 212 is fixedly connected with the rectangular disc 214 and the curved surface shell 211 and the curved surface shell is fixedly connected with the rectangular disc 211 and the other end of the rectangular disc is fixedly connected with the rotary rod; the rectangular rod 210 is locked and contacted through the locking assembly 211, so that the purpose of freely adjusting the position of the lifting rod 210 is achieved, the rotary rod 212 passes through the rectangular rod 210 to be fixedly connected with the gear 217 in the rectangular disc 214 to realize the adjustment and rotation of the gear 217, and the tooth biting block 216 is adjusted in height through the meshing action of the gear 217 and the toothed plate 215, so that the purpose of expanding the oral cavity of a patient is achieved.

Specifically, the locking assembly 211 includes a sloping plate 2110, a spring 2111 and a protrusion 2112, one end of the sloping plate 2110 is hinged to the right end of the rectangular rod 210, the other end is fixedly connected to the protrusion 2112, one end of the spring 2111 is fixedly connected to the rectangular rod 210, and the other end is fixedly connected to the protrusion 2112.

Specifically, the bottom wall and the top wall of the strip-shaped through hole 100 are provided with a plurality of concave holes 1000 matched with the protrusions 2112; the purpose that the protrusion 2112 is forced to be separated from the concave hole 1000 by pinching the inclined plate 2110 is achieved, so that the locking component 211 can freely move, and when no external force exists, the protrusion 2112 is located in the concave hole 1000 under the action of the spring 2111, and the locking component 211 is fixed.

[ Example two ]

Considering that the tooth biting block 216 is not suitable for soft materials in the actual use process of the scheme of the embodiment, the direct contact with the teeth of the patient can bring bad touch feeling to the patient, and the embodiment of the application is optimized based on the embodiment;

specifically, the tooth biting block 216 is provided with a biting groove 2160, and a silica gel pad 2161 fixedly connected with the biting groove 2160 is provided in the biting groove 2160; the biting block 216 is provided with the biting grooves 2160, and the silica gel pad 2161 is filled in the biting grooves 2160, so that not only the discomfort of a patient can be reduced, but also the teeth of the patient can be well fixed.

Specifically, the lower end of the left casing 10 is provided with a retaining ring 102 fixedly connected with the left casing, and the right casing 11 is provided with a spherical buckle 111 fixedly connected with the right casing; by the arrangement of the snap ring 102 and the spherical snap 111, the folding of the left casing 10 and the right casing 11 can be well ensured, and the left casing and the right casing can not be separated under the normal use condition.

The present utility model has been further described with reference to the examples, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. An endotracheal tube holder, comprising:

The curved surface shell (1), curved surface shell (1) includes left casing (10), right casing (11) and two sets of binding belt (12), left side casing (10) left end with right side casing (11) right-hand member is equipped with and is detained (13) rather than fixed connection, two sets of binding belt (12) one end respectively can dismantle connect in detain (13) on hanging, left side casing (10) and right casing (11) upper end rotate to be connected, the lower extreme lock is connected, be equipped with assorted semicircular notch on left side casing (10) with right side casing (11), left side casing (10) with right side casing (11) upper end is equipped with bar through-hole (100), be equipped with on right side casing (11) and inhale phlegm window (110);

The fixing part (2), the fixing part (2) comprises a cannula fixing component (20) and two groups of tooth clamping components (21), the cannula fixing component (20) is fixedly connected to the semicircular notch, and the two groups of tooth clamping components (21) are respectively movably connected with the two groups of strip-shaped through holes (100).

2. An endotracheal tube holder according to claim 1, wherein:

The cannula fixing assembly (20) comprises a left semicircular tube (200), a right semicircular tube (201), an adjusting rod (202) and a contact table (203), wherein the middle position of the convex surface of the left semicircular tube (200) is fixedly connected to a semicircular notch formed in the left shell (10), the middle position of the convex surface of the right semicircular tube (201) is fixedly connected to a semicircular notch formed in the right shell (11), the contact table (203) is positioned in the concave surface of the left semicircular tube (200), one end of the adjusting rod (202) penetrates through the left semicircular tube (200) and the contact table (203) to be fixedly connected, and the adjusting rod (202) is in threaded connection with the left semicircular tube (200).

3. An endotracheal tube holder according to claim 1, wherein:

The tooth clamping assembly (21) comprises a rectangular rod (210), two groups of locking assemblies (211), a rotary rod (212), a rotary handle (213), a rectangular disc (214), two groups of toothed plates (215), two groups of tooth biting blocks (216) and gears (217), wherein the rectangular disc (214) is positioned in the concave surface of the curved surface shell (1), one end of the rectangular rod (210) penetrates through the strip-shaped through hole (100) to be fixedly connected with the rectangular disc (214), a special-shaped cavity (2140) is arranged in the rectangular disc (214), the gears (217) are positioned in the middle position of the special-shaped cavity (2140), two groups of toothed plates (215) are movably connected with the rectangular disc (214), one end of one toothed plate (215) penetrates through the top wall from the upper left side of the rectangular disc (214), the other end of the toothed plate (215) penetrates through the bottom wall from the right side lower end of the rectangular disc (214) to be positioned in the inner side, the toothed plate (215) is connected with the gears (217) in a fixed mode, the two groups of toothed plates (215) are meshed with the rectangular disc (214) and are respectively meshed with the two groups of toothed plates (214) to be fixedly connected with the rectangular disc (214), the rotating rod (212) is in threaded connection with the rectangular rod (210), is in rotary connection with the rectangular disc (214), is fixedly connected with the rotating handle (213) at the other end, and the two groups of locking assemblies (211) are respectively located at the upper end of the rectangular rod (210), are fixedly connected with the rectangular rod (210) and are movably connected with the curved surface shell (1).

4. A tracheal cannula holder as in claim 3, wherein:

The locking assembly (211) comprises an inclined plate (2110), a spring (2111) and a lug (2112), one end of the inclined plate (2110) is connected with the right end of the rectangular rod (210) in a hinge mode, the other end of the inclined plate is fixedly connected with the lug (2112), one end of the spring (2111) is fixedly connected with the rectangular rod (210), and the other end of the spring is fixedly connected with the lug (2112).

5. An endotracheal tube holder according to claim 4, wherein:

And a plurality of concave holes (1000) matched with the convex blocks (2112) are formed in the bottom wall and the top wall of the strip-shaped through hole (100).

6. A tracheal cannula holder as in claim 3, wherein:

The tooth biting block (216) is provided with a biting groove (2160), and a silica gel pad (2161) fixedly connected with the biting groove (2160) is arranged in the biting groove.

7. An endotracheal tube holder according to claim 1, wherein: the lower end of the left shell (10) is provided with a retaining ring (102) fixedly connected with the left shell, and the right shell (11) is provided with a spherical buckle (111) fixedly connected with the right shell.