CN115429995A

CN115429995A - Tracheal cannula fixer with adjustable

Info

Publication number: CN115429995A
Application number: CN202210819315.3A
Authority: CN
Inventors: 杨伟; 徐恭霞; 蔡月红; 王玲; 胡少华; 徐凤玲; 黄锐
Original assignee: First Affiliated Hospital of Anhui Medical University
Current assignee: First Affiliated Hospital of Anhui Medical University
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-06

Abstract

The invention discloses an adjustable tracheal cannula fixator which comprises a surface hoop and a fixing band, wherein an arc-shaped rail is formed on the surface hoop, and a catheter fixing piece is connected to the arc-shaped rail; the pipe mounting has seted up the card entry along length direction including fixed pipe on the fixed pipe wall, has seted up the annular mouth along the circumferencial direction on the fixed pipe wall, and fixed outside of tubes wall is equipped with the splice box, is formed with the depressed part on the splice box, realizes tightening up fixedly to trachea cannula pipe through winding the bandage in depressed part and annular mouth department, and the side of splice box is connected with the slip joint, slip joint and arc rail slip joint. The trachea cannula fixator is good in safety and stability, can be used for a long time, does not need to be repeatedly replaced, and saves resources and manpower; on the premise of no pipe-dropping risk, flexible left-right movement adjustment can be realized by one-hand operation, and the pipe can be automatically locked at any position after adjustment; the occurrence of instrument related pressure injuries can be reduced while increasing the comfort of the patient.

Description

Tracheal cannula fixer with adjustable

Technical Field

The invention relates to the technical field of medical equipment, in particular to an adjustable tracheal intubation fixer.

Background

The trachea cannula is a method for placing a special trachea catheter in a trachea or a bronchus through an oral cavity (or a nasal cavity) and a glottis, provides the best conditions for unobstructed respiratory tract, ventilation and oxygen supply, respiratory tract suction and the like, and is an important measure for rescuing patients with respiratory dysfunction.

During the operation of trachea cannula, need to use the fixer to fix the pipe. The prior tracheal cannula fixer has the following defects: (1) The operation is inconvenient, the stability after the fixation is not good, and the catheter is easy to slip; (2) In order to prevent pressure injury or observe conditions in the oral cavity, the left and right positions of the guide tube in the oral cavity need to be changed during oral care, and the position of the guide tube cannot be adjusted after the conventional tracheal cannula fixator is fixed, so that the fixator needs to be repeatedly removed, which is troublesome and causes discomfort to a patient.

Disclosure of Invention

The invention aims to provide an adjustable tracheal cannula fixator, which solves the problems that the existing tracheal cannula fixator is inconvenient to operate, poor in stability and incapable of adjusting the position of a catheter.

The invention realizes the purpose through the following technical scheme:

an adjustable tracheal cannula fixator comprises a surface hoop and a fixing band, wherein an arc-shaped rail is transversely formed on the surface hoop, and a catheter fixing piece is connected onto the arc-shaped rail in a sliding manner;

the pipe mounting includes the fixed pipe that both ends link up, set up the card income mouth of run-through along length direction on the fixed pipe wall for go into the trachea cannula pipe, seted up the annular mouth along the circumferencial direction on the fixed pipe wall, fixed outer wall of pipe is equipped with the link frame with the corresponding position department of annular mouth, the direction that the link frame deviates from the annular mouth is formed with the depressed part, and it is fixed to tighten up of trachea cannula pipe through locating at depressed part and annular mouth department winding bandage, the side of link frame is connected with the slip joint, slip joint and arc rail slip joint.

The improved structure is characterized in that the top surface and the bottom surface of the arc-shaped rail are both provided with clamping grooves, the outer side surface of the arc-shaped rail is provided with clamping teeth, sliding grooves used for the arc-shaped rail to penetrate and slide are formed in the side edges of the sliding joints, clamping claws used for inserting the clamping grooves to form clamping joints are formed in the groove openings of the sliding grooves, and protruding blocks used for inserting the clamping teeth to form positioning are formed in the groove bottoms of the sliding grooves.

The improved structure of the sliding connector is characterized in that a hollow holding part is arranged on the top surface of the sliding connector, a transmission toothed plate is vertically and movably arranged in the holding part, an elastic piece is connected between the top of the transmission toothed plate and the inner wall of the holding part, pressing blocks are arranged on opposite side surfaces of the holding part respectively, the two pressing blocks are arranged in a transverse and relative sliding mode, racks are transversely arranged on opposite surfaces of the two pressing blocks respectively, two gears are arranged in the holding part and are respectively connected with the two gears in a meshed mode, and the two gears are respectively connected with the opposite side surfaces of the transmission toothed plate in a meshed mode;

the sliding joint is hollow, the convex block is in transverse sliding fit with the sliding joint, a through hole which penetrates vertically is formed in the convex block, a first wedge-shaped block is arranged in the through hole, the bottom of the transmission toothed plate extends into the through hole, a second wedge-shaped block is arranged on the side face of the bottom of the transmission toothed plate, and the second wedge-shaped block is in sliding contact with the first wedge-shaped block through an inclined face;

when the two pressing blocks are pressed, the gear is driven to rotate through the rack, the gear drives the transmission toothed plate to move downwards, and then the second wedge block is extruded through the first wedge block, so that the convex block is slidably contracted and separated from the clamping teeth; when stopping pressing two according to the briquetting, through elastic component pulling driving toothed plate rebound, make the protruding piece slide and stretch out and insert in the latch.

The further improvement lies in that a plurality of guide rods are transversely arranged in the pinching part, and the pressing block is movably matched with the guide rods.

The improved catheter fixing piece is characterized in that a concave part is formed between the two oppositely arranged side plates on the connecting frame, protruding edges are formed on the opposite side faces of the two side plates, one side plate is an elastic plate, a shifting sheet is arranged on the elastic plate, the catheter fixing piece further comprises a pressing plate, the pressing plate is used for being embedded into the concave part and fixed through the protruding edges, the winding binding belt is pressed, the elastic plate is fluctuated outwards through the shifting sheet, and therefore the pressing plate is taken out.

The pressing plate is further improved in that the top surface of the pressing plate is connected with the sliding connector through a connecting belt, and the bottom surface edge of the pressing plate and the top surface edge of the protruding edge are designed to be cambered surfaces, so that the pressing plate can be conveniently embedded into the concave part.

The further improvement lies in that the inner wall surface of the fixed pipe is uniformly distributed with rubber barbs which are bent towards different end directions of the fixed pipe, and the rubber barbs are alternately distributed towards different directions.

The improved structure is characterized in that two sections of bending parts are formed on the surface hoop and used for realizing bending adjustment of the surface hoop.

The improved facial mask is characterized in that the inner side surface of the facial mask is provided with a supporting part for supporting the facial mask in the human middle position of a patient.

The further improvement is that the face hoop is detachably connected with two anti-skidding patches which are used for being attached to the cheek positions of a patient.

The invention has the beneficial effects that:

(1) The trachea cannula fixator is firstly concentrated and contracted through the fixing tube and then tightened through the binding band, so that the catheter can be firmly fixed, the situations of tube biting and tube spitting of a patient can be effectively avoided, the trachea cannula fixator is good in safety and stability, can be used for a long time, does not need to be repeatedly replaced, and saves resources and manpower;

(2) The tracheal cannula fixer can enable a tracheal cannula to be flexibly adjusted leftwards and rightwards by one-hand operation on the premise of no risk of tube detachment, is very convenient, can be automatically locked at any position after adjustment, is convenient for oral operation and observation, and reduces the incidence rate of pneumonia related to a respirator;

(3) When the tracheal cannula fixator is used, the skin contact surface is few, the occurrence of related pressure injury of an instrument is reduced, the comfort level of a patient is increased, and the satisfaction degree of medical service is improved.

Drawings

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

FIG. 2 is a schematic structural view of the face band and the fastening band;

FIG. 3 is a schematic view of a catheter fastener;

FIG. 4 is a schematic structural view of a slip joint;

FIG. 5 is a schematic structural view of the grip portion;

FIG. 6 is a schematic structural view of a stationary tube;

in the figure: 1. a face hoop; 11. a bending section; 12. a bearing part; 13. anti-skid paster; 2. a fixing band; 3. an arc-shaped rail; 31. a card slot; 32. clamping teeth; 4. a catheter securement; 41. fixing the tube; 411. a rubber barb; 42. a card entrance; 43. an annular mouth; 44. a connecting frame; 441. a side plate; 442. a protruding edge; 443. a shifting sheet; 45. a recessed portion; 46. a slip joint; 461. a chute; 462. a bump; 4621. a through hole; 4622. a first wedge block; 463. a pinching section; 464. a transmission toothed plate; 4641. a second wedge; 465. an elastic member; 466. a pressing block; 467. a rack; 468. a gear; 469. a guide rod; 47. A compression plate; 471. and a connecting belt.

Detailed Description

The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and is not to be construed as limiting the scope of the present application, as will occur to those skilled in the art upon a reading of the foregoing application.

Referring to fig. 1 to 6, an adjustable tracheal cannula fixator comprises a surface hoop 1 and a fixing band 2, wherein an arc-shaped rail 3 is transversely formed on the surface hoop 1, and a catheter fixing piece 4 is connected to the arc-shaped rail 3 in a sliding manner and used for fixing a catheter of a tracheal cannula; pipe mounting 4 includes the fixed pipe 41 that both ends link up, the card income mouth 42 of run-through formula is seted up along length direction on the fixed pipe 41 pipe wall, be used for card income trachea cannula pipe, annular mouth 43 has been seted up along the circumferencial direction on the fixed pipe 41 pipe wall, the corresponding position department of fixed pipe 41 outer wall and annular mouth 43 is equipped with linking frame 44, the direction that linking frame 44 deviates from annular mouth 43 is formed with depressed part 45, it is fixed to tighten up trachea cannula pipe through winding the bandage in depressed part 45 and annular mouth 43 department, the side of linking frame 44 is connected with sliding joint 46, sliding joint 46 and 3 slip joint of arc rail. Two sections of bending parts 11 are formed on the face hoop 1 and used for realizing bending adjustment of the face hoop 1, a bearing part 12 is arranged on the inner side face of the face hoop 1 and used for bearing the face hoop in the human middle position of a patient, and two anti-skidding patches 13 which can be detachably connected on the face hoop 1 and used for being attached to the cheek position of the patient are detachably connected on the face hoop 1.

When the facial mask is used, the facial mask 1 is sleeved on the face of a patient, the supporting part 12 is put on the middle position of the patient, the anti-skid patch 13 is attached to the cheek position of the patient, and then the fixing band 2 winds the back of the brain to fix the anti-skid patch, so that the facial mask 1 and the fixing band 2 are installed. Then, the catheter and other related tube bodies are clamped into the fixing tube 41 through the clamping inlet 42, and the bandage is wound at the concave part 45 and the annular opening 43 to realize tightening and fixing of the endotracheal tube, so that the fixing work of the catheter is completed. After the fixing, if the position of the catheter needs to be moved left and right, the sliding connector 46 only needs to slide along the arc-shaped rail 3, the fixing device does not need to be detached, and the fixing device is very convenient.

In the invention, the top surface and the bottom surface of the arc-shaped rail 3 are both provided with the clamping grooves 31, the outer side surface of the arc-shaped rail 3 is provided with the clamping teeth 32, the side edge of the sliding connector 46 is provided with the sliding groove 461 for the arc-shaped rail 3 to penetrate and slide, the notch of the sliding groove 461 is provided with the clamping jaw for inserting into the clamping groove 31 to form clamping, and the groove bottom of the sliding groove 461 is provided with the convex block 462 for inserting into the clamping teeth 32 to form positioning.

To enable one-handed movement of the slider 46, the present invention in a preferred embodiment provides structural modifications to the slider 46: the top surface of the sliding joint 46 is provided with a hollow holding part 463, a transmission toothed plate 464 is vertically and movably arranged in the holding part 463, an elastic part 465 (such as a spring) is connected between the top of the transmission toothed plate 464 and the inner wall of the holding part 463, pressing blocks 466 are arranged on opposite side surfaces of the holding part 463, the two pressing blocks 466 are transversely arranged in a relative sliding manner, racks 467 are transversely arranged on opposite surfaces of the two pressing blocks 466, two gears 468 are further arranged in the holding part 463, the two racks 467 are respectively meshed with the two gears 468, the two gears 468 are respectively meshed with the opposite side surfaces of the transmission toothed plate 464, when the two gears are specifically meshed and connected, the racks 467 can be transversely meshed with the tops of the two gears 468, and the two gears 468 are meshed with the transmission toothed plate 464 through opposite side surfaces, so that the transmission time is not influenced;

in addition, the sliding joint 46 is hollow, the projection 462 is in transverse sliding fit with the sliding joint 46, a through hole 4621 which vertically penetrates through the projection 462 is formed in the through hole 4621, a first wedge block 4622 is arranged in the through hole 4621, the bottom of the transmission toothed plate 464 extends into the through hole 4621, a second wedge block 4641 is arranged on the side surface of the bottom of the transmission toothed plate 464, and the second wedge block 4641 is in sliding contact with the first wedge block 4622 through an inclined surface;

when the holding part 463 is held by one hand, the two pressing blocks 466 are pressed, the gear 468 is driven by the rack 467 to rotate, the gear 468 drives the transmission toothed plate 464 to move downwards, and then the second wedge-shaped block 4641 is extruded by the first wedge-shaped block 4622, so that the projection 462 slides and contracts and is separated from the latch 32, and the sliding joint 46 can be freely moved; when the handle 463 is released to a proper position, the two pressing blocks 466 are stopped being pressed by the hand, the transmission toothed plate 464 is pulled by the elastic piece 465 to move upwards, so that the projection 462 slides out and is inserted into the latch 32, and at this time, the position of the sliding joint 46 on the arc-shaped rail 3 is automatically locked, and the two pressing blocks 466 are automatically ejected. Through this structural design, ten minutes are smooth when the operation, accord with the daily habit of exerting oneself of hand, and can not drive face hoop 1 when sliding and rock, and then can not influence fixed effect, and avoid disturbing the patient.

Preferably, a plurality of guide rods 469 are transversely arranged in the grip portion 463, and the pressing block 466 is movably engaged with the guide rods 469, so that stability of the pressing block 466 during sliding is improved.

In the invention, a concave part 45 is formed between two oppositely arranged side plates 441 on a connecting frame 44, the opposite side surfaces of the two side plates 441 are respectively provided with a protruding edge 442, one side plate 441 is an elastic plate, a poking sheet 443 is arranged on the elastic plate, the catheter fixing piece 4 further comprises a pressing plate 47, the pressing plate 47 is embedded into the concave part 45 and fixed through the protruding edge 442, the winding binding band is pressed, the binding band is not loosened, and the elastic plate is fluctuated outwards through the poking sheet 443, so that the pressing plate 47 can be taken out.

In the present invention, the top surface of the pressing plate 47 is connected to the sliding joint 46 through the connecting band 471, and the bottom edge of the pressing plate 47 and the top edge of the protruding edge 442 adopt the design of arc surfaces, so that the pressing plate 47 is embedded into the recess 45.

In addition, for further avoiding the pipe to slide in fixed pipe 41, can be at the internal wall evenly distributed of fixed pipe 41 towards the crooked rubber barb 411 of the different end direction of fixed pipe 41, and distribute in turn towards different rubber barb 411, through the most advanced and pipe outer wall contact of rubber barb 411, this kind is when the pipe is inside or when outwards sliding, rubber barb 411 all can provide extrusion frictional force, and along with pipe slip trend grow, rubber barb 411 can be through self toward the deformation of vertical direction, increase extrusion frictional force, avoid the pipe to continue to slide, the security that improves the intubate.

In addition, to prevent the patient from biting and spitting, an S-shaped oropharyngeal airway may further extend below the slip joint 46, while facilitating oral care.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. An adjustable tracheal cannula fixator comprises a surface hoop (1) and a fixing band (2), and is characterized in that an arc-shaped rail (3) is transversely formed on the surface hoop (1), and a catheter fixing piece (4) is connected onto the arc-shaped rail (3) in a sliding manner;

pipe mounting (4) are including fixed pipe (41) that both ends link up, set up run-through card income mouth (42) along length direction on fixed pipe (41) pipe wall for go into the trachea cannula pipe, set up annular mouth (43) along the circumferencial direction on fixed pipe (41) pipe wall, the corresponding position department of fixed pipe (41) outer wall and annular mouth (43) is equipped with link frame (44), the direction that link frame (44) deviate from annular mouth (43) is formed with depressed part (45), and it is fixed to tighten up of trachea cannula pipe through locating winding bandage at depressed part (45) and annular mouth (43), the side of link frame (44) is connected with sliding joint (46), sliding joint (46) and arc rail (3) slip joint.

2. The adjustable tracheal cannula fixator according to claim 1, wherein the top surface and the bottom surface of the curved rail (3) are both formed with a clamping groove (31), the outer side surface of the curved rail (3) is formed with a clamping tooth (32), the side of the sliding joint (46) is provided with a sliding groove (461) for the curved rail (3) to pass through and slide, a clamping jaw for inserting into the clamping groove (31) to form clamping is formed at the notch of the sliding groove (461), and a convex block (462) for inserting into the clamping tooth (32) to form positioning is formed at the groove bottom of the sliding groove (461).

3. The adjustable tracheal cannula fixator according to claim 2, wherein the sliding joint (46) is provided with a hollow holding portion (463) at the top surface, a driving toothed plate (464) is vertically movably arranged in the holding portion (463), an elastic member (465) is connected between the top of the driving toothed plate (464) and the inner wall of the holding portion (463), pressing blocks (466) are respectively arranged on opposite side surfaces of the holding portion (463), the two pressing blocks (466) are transversely arranged in a relative sliding manner, racks (467) are respectively transversely arranged on opposite surfaces of the two pressing blocks (466), two gears (468) are further arranged in the holding portion (463), the two racks (467) are respectively connected with the two gears (468) in a meshing manner, and the two gears (468) are respectively connected with the opposite side surfaces of the driving toothed plate (464) in a meshing manner;

the sliding joint (46) is hollow, the protruding block (462) is in transverse sliding fit with the sliding joint (46), a through hole (4621) which vertically penetrates through the protruding block (462) is formed in the protruding block (462), a first wedge-shaped block (4622) is arranged in the through hole (4621), the bottom of the transmission toothed plate (464) extends into the through hole (4621), a second wedge-shaped block (4641) is arranged on the side face of the bottom of the transmission toothed plate (464), and the second wedge-shaped block (4641) is in sliding contact with the first wedge-shaped block (4622) through an inclined face;

when the two pressing blocks (466) are pressed, the gear (468) is driven to rotate through the rack (467), the gear (468) drives the transmission toothed plate (464) to move downwards, and then the second wedge-shaped block (4641) is extruded through the first wedge-shaped block (4622), so that the bump (462) slides, shrinks and is separated from the clamping teeth (32); when the two pressing blocks (466) are stopped to be pressed, the transmission toothed plate (464) is pulled by the elastic piece (465) to move upwards, so that the lug (462) slides out and is inserted into the latch (32).

4. The adjustable tracheal cannula fixator according to claim 3, wherein a plurality of guide rods (469) are transversely arranged in the holding portion (463), and the pressing block (466) is movably matched with the guide rods (469).

5. The adjustable tracheal cannula fixator according to claim 1, wherein a concave part (45) is formed between two opposite side plates (441) on the connecting frame (44), the opposite side surfaces of the two side plates (441) are respectively provided with a protruding edge (442), one side plate (441) is an elastic plate, a shifting piece (443) is arranged on the elastic plate, the catheter fixing member (4) further comprises a pressing plate (47), the pressing plate (47) is embedded into the concave part (45) and fixed through the protruding edge (442) to press the winding bandage, and the elastic plate is fluctuated outwards through the shifting piece (443) to take out the pressing plate (47).

6. The adjustable tracheal cannula fixator according to claim 5, wherein the top surface of the pressing plate (47) is connected with the sliding joint (46) through a connecting band (471), and the bottom surface edge of the pressing plate (47) and the top surface edge of the protruding edge (442) are designed to be in a cambered surface shape, so that the pressing plate (47) can be embedded into the recess (45).

7. The adjustable tracheal cannula fixator according to claim 1, wherein the rubber barbs (411) bending towards different end directions of the fixing tube (41) are uniformly distributed on the inner wall surface of the fixing tube (41), and the rubber barbs (411) bending towards different directions are alternately distributed.

8. The adjustable tracheal cannula fixator according to claim 1, wherein two bending parts (11) are formed on the face hoop (1) for realizing bending adjustment of the face hoop (1).

9. An adjustable tracheal cannula fixation device according to claim 1 wherein the inner side of the face cuff (1) is provided with a support (12) for support in a neutral position in a patient.

10. The adjustable tracheal cannula fixator according to claim 1, wherein two anti-slip patches (13) are detachably connected to the face hoop (1) for attaching to cheek positions of a patient.