CN215024447U

CN215024447U - Adjustable plugging device for tracheotomy plugging test tube

Info

Publication number: CN215024447U
Application number: CN202023226437.7U
Authority: CN
Inventors: 张月兰; 王丽君; 杜曼
Original assignee: Henan Provincial Peoples Hospital
Current assignee: Henan Provincial Peoples Hospital
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-12-07
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses an adjustable plugging device for tracheotomy trial plugging tube, which comprises an outer tube and an inner tube which is inserted into the outer tube and can be pulled, wherein a limiting part is fixed at one end of the outer tube, a plurality of groups of air holes are arranged on the peripheral surface of one end of the inner tube, which is close to the limiting part, along the axial direction of the inner tube, one end of the inner tube, which is extended out of the outer tube, is provided with a plugging cover, a sealing ring is fixed on the outer wall of one end of the inner tube, which is far away from the plugging cover, and is tightly attached to and sealed with the inner wall of the outer tube, a limiting ring which can penetrate into the outer tube is arranged at one end of the outer tube, which is close to the plugging cover, and the inner wall of the limiting ring is tightly attached to and sealed with the outer wall of the inner tube; the utility model discloses in through multiunit bleeder vent and the outer tube cooperation of seting up on the inner tube, can carry out selective regulation to the stifled pipe open-ended size of examination, make things convenient for medical staff's operation, improved plugging device's security simultaneously.

Description

Adjustable plugging device for tracheotomy plugging test tube

Technical Field

The utility model belongs to the technical field of the stifled pipe of examination, a an adjustable plugging device that is used for trachea to open stifled pipe of examination is related to.

Background

Tracheotomy is used for relieving its respiratory tract obstruction when salvaging critical patient and improves the most effective measure of ventilation function, it is stable to be used as the patient's state of an illness, respiratory tract secretion is showing and is reducing, can cough by oneself or when expectorating, just can consider tracheal cannula stifled pipe, tracheal cannula commonly used has two categories in clinical at present, one is metal tracheal cannula, one is plastics tracheal cannula, two kinds of tracheal cannula do not all have dedicated plugging device, medical staff is touching constantly in the working practice, summarize, to different materials, the tracheal cannula of model makes different plugging device, but current plugging device can not adjust the size of examination stifled pipe opening, patient experience is not good, consequently, need design one kind and can adjust the plugging device of examination stifled pipe opening size.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an adjustable plugging device that is used for trachea to open stifled pipe of examination, fine solution current plugging device can not adjust the problem of stifled pipe opening size of examination.

In order to realize the purpose, the utility model discloses a technical scheme as follows: the utility model provides an adjustable plugging device for trachea opens examination stifled pipe, includes the outer tube and inserts the inner tube that just can the pull in the outer tube, the one end that the outer tube was stretched out to the inner tube is fixed with spacing portion, the inner tube is close to and has seted up multiunit bleeder vent along its inner tube axial on global of spacing portion one end, the one end that the outer tube was stretched out to the inner tube is provided with the shutoff lid, be fixed with the sealing washer on the one end outer wall that the shutoff lid was kept away from to the inner tube, the sealing washer closely laminates and seals with the outer tube inner wall, the one end that the outer tube is close to the shutoff lid is provided with the spacing ring that can penetrate the outer tube, the inner wall of spacing ring closely laminates and seals with the outer wall of inner tube.

Further, be provided with on the outer wall of outer tube and penetrate its inside spacing casing, spacing casing is inside to have the echelonment through-hole, be provided with spacing dop, spring and spacing lid in the spacing casing, spacing dop one end is stretched out spacing casing, spacing lid screw thread is fixed in spacing casing, the spring butt is between spacing dop and spacing lid, a plurality of spacing recesses have radially been seted up along it to the outer wall of inner tube, spacing dop stretches into in the spacing recess and rather than the joint cooperation.

Furthermore, chamfers are formed on the outer walls of the two ends of the sealing ring.

Furthermore, an anti-skid layer is arranged on the outer wall of the outer pipe close to the plugging cover.

Further, the outer wall of the inner pipe is provided with a plurality of indicating lines along the longitudinal direction of the outer wall.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in through multiunit bleeder vent and the outer tube cooperation of seting up on the inner tube, can carry out selective regulation to the stifled pipe open-ended size of examination, make things convenient for medical staff's operation, improved plugging device's security simultaneously.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a sectional view taken along a-a in fig. 1.

In the figure: 1. an outer tube; 2. an inner tube; 3. a limiting part; 4. air holes are formed; 5. a blocking cover; 6. a seal ring; 7. a limiting shell; 8. a limiting chuck; 9. a spring; 10. a limiting cover; 11. a limiting groove; 12. a limiting ring; 13. an anti-slip layer; 14. lines are indicated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the technical solution adopted by the present invention is as follows: an adjustable plugging device for a tracheotomy trial plugging tube comprises an outer tube 1 and an inner tube 2 which is inserted into the outer tube 1 and can be pulled, wherein a limiting part 3 is fixed at one end, extending out of the outer tube 1, of the inner tube 2;

the periphery of one end of the inner tube 2 close to the limiting part 3 is provided with a plurality of groups of air holes 4 along the axial direction of the inner tube 2, two groups, three groups and four groups of air holes 4 can be arranged according to actual requirements, two groups of air holes 4 are arranged in the embodiment, one end of the inner tube 2 extending out of the outer tube 1 is provided with a sealing cover 5, the sealing cover 5 adopts medical silica gel material and is inserted at the opening of the inner tube 2, of course, other connecting modes such as threaded connection and the like can be adopted, the outer wall of one end of the inner tube 2 far away from the sealing cover 5 is fixed with a sealing ring 6, the sealing ring 6 adopts medical silica gel material, the outer wall is closely attached and sealed with the inner wall of the outer tube 1, one end of the outer tube 1 close to the sealing cover 5 is provided with a limiting ring 12 which can penetrate into the outer tube 1, the inner wall of the limiting ring 12 is fixed with a sealing layer, the sealing layer adopts grade medical rubber material and is fully distributed on the inner wall of the limiting ring 12, this sealing layer can make the inner wall of spacing ring 12 closely laminates and seals with the outer wall of inner tube 2, the outer wall of

spacing ring

12 and 1 inner wall threaded connection of outer tube, sealing washer 6 and the cooperation of spacing ring 12 prevent that medical staff from pulling out inner tube 2 from outer tube 1 excessively hard, guarantee the leakproofness and the security of device simultaneously.

The outer wall of the outer tube 1 is integrally formed with a limiting shell 7 penetrating into the outer tube 1, the limiting shell 7 is internally provided with a step-shaped through hole, specifically, a small diameter section in the limiting shell 7 extends into the outer tube 1, a limiting chuck 8 with a large diameter section and a small diameter section, a spring 9 and a limiting cover 10 are arranged in the limiting shell 7, the limiting chuck 8 is movably arranged in the limiting shell 7, the small diameter section of the limiting chuck 8 extends into the small diameter section of the limiting shell 7, the outer diameter of the large diameter section of the limiting chuck 8 is larger than the inner diameter of the small diameter section of the limiting shell 7, the large diameter section of the limiting chuck 8 moves in the large diameter section of the limiting shell 7 to axially limit the limiting chuck 8, the limiting chuck 8 is prevented from being separated from the small diameter section of the limiting shell 7, the limiting cover 10 is fixed in the large diameter section of the limiting shell 7 by screw threads, two ends of the spring 9 respectively abut against the end face of the large diameter section of the limiting chuck 8 and the end face of the limiting cover 10 facing the limiting chuck 8, the outer wall of the inner tube 2 is provided with a plurality of limiting grooves 11 along the radial direction, the limiting grooves 11 correspond to the plurality of groups of air holes 4 one by one, the limiting chuck 8 extends into the limiting groove 11 to be matched with the limiting groove in a clamping way, specifically, three limiting grooves 11 are arranged in the embodiment, the limiting groove 11 is an annular groove, the longitudinal section of the annular groove is arc-shaped, the end part of the limiting chuck 8 is hemispherical, when the limiting chuck 8 extends into the limiting groove 11 arranged at the upper end of the inner tube 2, the two groups of air holes 4 on the inner tube 2 are exposed out of the outer tube 1, when the limiting chuck 8 extends into the limiting groove 11 arranged in the middle of the inner tube 2, a group of air holes 4 at the lowest end of the inner tube 2 are exposed out of the outer tube 1, when the limiting clamping head 8 extends into the limiting groove 11 arranged at the lower end of the inner tube 2, the two groups of air holes 4 arranged on the inner tube 2 are all positioned in the outer tube 1.

The chamfer has all been seted up to the both ends outer wall of sealing washer 6, when trading inner tube 2, guarantees the business turn over outer tube 1 that inner tube 2 can be smooth.

The outer tube 1 is provided with skid resistant course 13 on being close to the outer wall of shutoff lid 5, and this skid resistant course 13 can guarantee the stable pull inner tube 2 of medical staff, avoids with outer tube 1 smooth contact, takes place medical accident.

The outer wall of the inner tube 2 is longitudinally provided with a plurality of indicating lines 14, and each indicating line 14 is matched with each group of air holes 4, so that medical staff can clearly know the size of the opening of the device.

During the use, at first with the outer tube 1 and the stifled pipe intercommunication of examination of this device, then medical staff adjusts inner tube 2 according to patient's the condition, and patient breathes through bleeder vent 4, if there is emergency, can extract blocking lid 5 for the opening of examination stifled pipe is opened completely, gets into the mouth of pipe of inner tube 2 with the air.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an adjustable plugging device that is used for tracheotomy examination stifled pipe, includes the outer tube and inserts the inner tube that just can the pull in the outer tube, its characterized in that: the one end that the outer tube was stretched out to the inner tube is fixed with spacing portion, the inner tube has been close to on global of spacing portion one end along its inner tube axial seted up multiunit bleeder vent, the one end that the outer tube was stretched out to the inner tube is provided with the shutoff lid, be fixed with the sealing washer on the one end outer wall that the shutoff lid was kept away from to the inner tube, the sealing washer closely laminates and seals with the outer tube inner wall, the one end that the outer tube is close to the shutoff lid is provided with the spacing ring that can penetrate in the outer tube, the inner wall of spacing ring closely laminates and seals with the outer wall of inner tube.

2. The adjustable occlusion device of claim 1, wherein: be provided with on the outer wall of outer tube and penetrate its inside spacing casing, spacing casing is inside to have the echelonment through-hole, be provided with spacing dop, spring and spacing lid in the spacing casing, spacing dop one end is stretched out spacing casing, spacing lid screw thread is fixed in spacing casing, the spring butt is between spacing dop and spacing lid, a plurality of spacing recesses have radially been seted up along it to the outer wall of inner tube, spacing dop stretches into in the spacing recess and rather than the joint cooperation.

3. The adjustable occlusion device of claim 1, wherein: chamfers are arranged on the outer walls of the two ends of the sealing ring.

4. The adjustable occlusion device of claim 1, wherein: and an anti-slip layer is arranged on the outer wall of the outer pipe close to the plugging cover.

5. The adjustable occlusion device of claim 1, wherein: the outer wall of the inner pipe is provided with a plurality of indicating lines along the longitudinal direction.