CN216091780U

CN216091780U - Telescopic catheter and special tracheal catheter

Info

Publication number: CN216091780U
Application number: CN202121679926.XU
Authority: CN
Inventors: 纪木火
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-22
Anticipated expiration: 2031-07-22

Abstract

The application relates to a telescopic conduit, which comprises a telescopic pipe body, wherein the telescopic pipe body comprises a corrugated section and connecting sections arranged at two ends of the corrugated section; still relate to a special type endotracheal tube, including the pipe body, the one end of pipe body is provided with the pipe interface, and the other end is provided with flexible plastic pipe, is provided with the cover bag on the flexible plastic pipe, and the pipe body sets up between pipe body and pipe interface. Two linkage segments in the flexible pipe body can be connected with the corresponding position on the pipe body in this application, can enough guarantee the normal use of pipe body, can expand the ripple section of flexible pipe body when the pipe body is prolonged to needs simultaneously, can make the pipe body adapt to different diseases, guarantee the smooth treatment to different size diseases.

Description

Telescopic catheter and special tracheal catheter

Technical Field

The application relates to the field of medical appliances, in particular to a telescopic catheter and a special tracheal catheter.

Background

The tracheal catheter is widely applied to the fields of clinical anesthesia, emergency treatment, intensive care treatment and the like. The tracheal catheter has higher hardness and is widely applied in clinical medicine, and is essentially used for establishing a tracheal catheter for artificial respiration and is inserted into the trachea of a patient through the oral cavity or the nasal cavity.

The medical tracheal catheter is roughly structured as follows: the utility model with publication number of CN201814961U specifically discloses an improved reinforced tracheal catheter, the front part of the improved reinforced tracheal catheter is a common silicone tube, the rear part is a steel wire reinforced silicone tube, and the front and rear proportions are different according to different models; the transition part between the common silicone tube at the front part and the reinforced silicone tube at the rear part is gradually reduced by the reinforced steel wires, so that the easy folding and the dead folding at the connection part are avoided; the front common silicone tube should have a certain bending angle to facilitate the conduit; the cuff inflation tube extends into the tube wall of the silicone tube and is connected with the cuff at the front end.

In view of the above related technologies, the inventor believes that a common endotracheal tube can be produced in different specifications according to different patients except for the diameter of the tube and the overall length of the tube, but in the specific application process, the specification requirements of different patients on the tube are different, and the tube with a fixed specification can affect the rescue of the patients with different body types.

Disclosure of Invention

In order to ensure the smooth rescue of patients with different body types, the application provides a telescopic catheter and a special tracheal catheter.

In a first aspect, the present application provides a retractable catheter, which adopts the following technical solutions:

a telescopic pipe comprises a telescopic pipe body, wherein the telescopic pipe body comprises a corrugated section and connecting sections arranged at two ends of the corrugated section, one of the connecting sections is used for being connected with a pipe interface, and the other connecting section is used for being connected with the pipe body.

By adopting the technical scheme, the two connecting sections in the telescopic pipe body can be connected with the corresponding positions on the pipe body, so that the normal use of the pipe body can be ensured, and meanwhile, the corrugated sections of the telescopic pipe body can be unfolded when the pipe body is required to be extended, so that the pipe body can adapt to different diseases, and the smooth treatment of the diseases with different body types is ensured.

Preferably, a support structure is arranged on the corrugated section.

Through adopting above-mentioned technical scheme, bearing structure can play the supporting role to the ripple section, and when the ripple section expandes, the ripple section can not be because of extrusion deformation, guarantees tracheal catheter's smooth ventilation.

Preferably, the support structure comprises a plurality of wire loops disposed at the locations of the valleys of the corrugated tubing.

Through adopting above-mentioned technical scheme, the steel wire ring can play the supporting role to the ripple section, and the steel wire ring sets up can be better in the position of trough carry out the block with the ripple section, consequently can play better support to the ripple section.

Preferably, the wire loop is embedded in the wall thickness of the corrugated section.

By adopting the technical scheme, the telescopic tube body can be ensured to have better aesthetic property, and the steel wire ring can not be exposed in the using process, so that the safety of the tracheal catheter is ensured.

Preferably, the wave crest of the outer circumference of the section of the corrugated pipe is flat.

Through adopting above-mentioned technical scheme, the thickness of bellows outside crest department is thicker to under the bellows shrink state, crest position department can be inseparabler with laminating, guarantees the intensity of ripple section and more pleasing to the eye under the shrink state.

In a second aspect, the present application provides a customized endotracheal tube, which adopts the following technical solution:

a special type endotracheal tube, including the pipe body, the one end of pipe body is provided with the pipe interface, and the other end is provided with flexible plastic pipe, be provided with the cover bag on the flexible plastic pipe, still include the scalable pipe of any one of claims 1-5, the pipe body sets up between pipe body and pipe interface.

By adopting the technical scheme, the telescopic tube body is additionally arranged on the tracheal tube, when the tracheal tube is suitable for patients with large body types, or for conveniently rescuing the patients, the telescopic tube body can be unfolded, and the length of the tracheal tube can be prolonged, so that the patients with different body types can be conveniently rescued.

Preferably, the flexible plastic conduit is provided with air holes on the outer circumference.

By adopting the technical scheme, when the end part of the flexible plastic conduit is blocked by the foreign matters, the air hole can ensure the normal oxygen delivery of the patient.

Preferably, the air hole is provided in plurality.

By adopting the technical scheme, the plurality of air holes can further and smoothly ensure the oxygen therapy of the patient, thereby smoothly treating the patient.

Preferably, the section of the cuff is wedge-shaped in the filling state of the cuff.

By adopting the technical scheme, the wedge-shaped cuff can be abutted against the tracheal wall, so that the tracheal catheter is more stable in the trachea and cannot easily fall off, and smooth rescue is guaranteed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two connecting sections in the telescopic tube body can be connected with corresponding positions on the catheter body, so that the normal use of the catheter body can be ensured, and meanwhile, the corrugated sections of the telescopic tube body can be unfolded when the catheter body needs to be prolonged, so that the catheter body can adapt to different patients, and the patients with different body types can be successfully treated;

2. the supporting structure positioned at the trough position of the corrugated section can play a good supporting role on the corrugated section, strengthen the structure of the corrugated section, prevent larger deformation and ensure the normal use of the tracheal catheter;

3. when the end part of the flexible plastic conduit is blocked by foreign matters, the air hole can ensure that the patient can normally carry out oxygen therapy;

4. the wedge-shaped cuff can be abutted against the tracheal wall, so that the tracheal catheter is more stable in the trachea and cannot easily fall off, and smooth rescue is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of a retractable catheter.

Fig. 2 is a schematic cross-sectional view of embodiment 1 of the retractable catheter.

Fig. 3 is a schematic sectional view of a part of the structure of embodiment 2 of the retractable guide.

Fig. 4 is a schematic view of the entire structure of the tailored endotracheal tube.

Fig. 5 is a sectional view of a part of the structure of the special-made tracheal catheter, which is mainly used for showing the position of the reinforcing steel wire.

Description of reference numerals: 1. a corrugated section; 2. a connecting section; 3. a steel wire ring; 4. a catheter body; 5. a catheter hub; 6. reinforcing steel wires; 7. a flexible plastic conduit; 8. a cuff; 9. an inflation tube; 10. an air-filled bag; 11. air holes; 12. and guiding the steel wire.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a telescopic catheter.

Example 1:

referring to fig. 1, the telescopic pipe comprises a telescopic pipe body, the telescopic pipe body comprises a corrugated section 1, two ends of the corrugated section 1 are respectively and integrally formed with a connecting section 2, one connecting section 2 can be connected with an endotracheal tube interface 5, the other connecting section 2 can be connected with the endotracheal tube, and the connecting part is in sealing connection, so that the normal use of the endotracheal tube is ensured. The telescopic tube body in the embodiment can also be used on other medical appliances needing to be telescopic.

Referring to fig. 1 and 2, the outer peripheral surface of the corrugated section 1 at the external crest position is in a circular arc transition shape, or may be in a straight edge shape as shown in fig. 2, and the cross section of each crest position in fig. 2 is substantially rectangular, so that the strength of the corrugated pipe can be enhanced to a certain extent, and when the corrugated pipe is in a contracted state, the adjacent corrugated rings of the corrugated pipe are attached more tightly, and the aesthetic property of the corrugated pipe is ensured.

Referring to fig. 2, be provided with bearing structure on the ripple section 1, bearing structure is a plurality of mutually independent steel wire rings 3, and the steel wire has certain intensity, under the bellows expansion state, can play certain supporting role to flexible pipe body, and every steel wire ring 3 all blocks the setting in the trough position department of bellows, and specific steel wire ring 3 sets up in inboard trough department and outside trough department all can, and preferred inboard trough position department in this embodiment to guarantee the holistic aesthetic property of endotracheal tube.

The implementation principle of the telescopic catheter in the embodiment of the application is as follows: in the production process, one end of the telescopic pipe body is connected with the interface of the gas tank guide pipe, the other end of the telescopic pipe body is connected with the tracheal guide pipe, when the length of the whole tracheal guide pipe needs to be prolonged, the interface position of the tracheal guide pipe and the tracheal guide pipe are held, the interface of the tracheal guide pipe is pulled to one side, the corrugated section 1 is unfolded, the length of the whole tracheal guide pipe is prolonged, and the operation of medical workers is facilitated.

Example 2:

referring to fig. 3, when the corrugated pipe is produced, the steel wire ring 3 can be embedded in the wall thickness of the corrugated pipe, so that the steel wire ring 3 can be effectively prevented from being separated from the corrugated pipe, and the strength of the corrugated pipe is fully ensured.

The embodiment of the application also discloses a special tracheal catheter. Referring to fig. 4, the reinforced endotracheal tube includes a tube body 4, a telescopic tube body and a tube connector 5 in the foregoing embodiments, the telescopic tube body is communicated with the tube body 4 and the tube connector 5, and the telescopic tube body is disposed between the tube body 4 and the tube connector 5, the connection between the telescopic tube body and the tube body 4 is a sealing connection, and the connection between the telescopic tube body and the tube connector 5 is a sealing connection.

Referring to fig. 5, the catheter body 4 is provided with the reinforcing steel wire 6, the reinforcing steel wire 6 is embedded in the wall thickness of the catheter body 4, and the reinforcing steel wire 6 is spiral in shape, so that the strength of the catheter body 4 is higher, after the catheter body 4 enters the inside of a human body, the catheter body cannot shrink and deform after being pressed by the pharynx or other positions, and oxygen or medicines can enter the catheter body smoothly.

Referring to fig. 4, one end of the catheter body 4 is an air inlet end and the other end is an air outlet end, the catheter interface 5 is arranged at the air inlet end, the air outlet pipe is connected with an inlet body end in a sealing mode, and the inlet body end is provided with a flexible plastic catheter 7. When the medical air inlet end is used, the inlet end is inserted into the trachea of a patient from the oral cavity or the nasal cavity of the patient, and the air inlet end can be connected with other medical equipment. The catheter body 4 can be provided with scale marks so that medical staff can observe the length of the catheter body 4 entering the human body.

Referring to fig. 4, a cuff 8 is arranged outside the body end of the catheter body 4, the cuff 8 is made of a flexible film, one end of the cuff is a closed end, the other end of the cuff is an inflation end and is communicated with an inflation tube 9, the inflation tube 9 is embedded in the catheter body 4 to ensure that the catheter body 4 smoothly enters a human body, the tail end of the inflation tube 9 extends to the outer side of the catheter body 4 and is communicated with an inflation bag 10, and an air flow valve is arranged in the inflation bag 10 to enable air to enter the cuff 8 from the inflation tube 9 and prevent air leakage.

When the inlet end of the catheter body 4 enters the trachea of a patient, air can be introduced into the inflation tube 9, so that the cuff 8 can be inflated to expand, the cuff 8 can abut against the trachea wall, and a certain fixing and limiting effect is realized on the catheter body 4, so that the catheter body 4 is prevented from being separated from the human body in the rescue process.

Referring to figure 4, to ensure stability of the catheter body 4, the cuff 8, after inflation, is generally of a truncated cone configuration with a wedge-shaped cross-section. The diameter of one end of the cuff close to the body end is smaller, and the diameter of the other end of the cuff far away from the body end is larger, so that the cuff 8 is ensured to be fully abutted against the trachea of the human body, and the stability is ensured. To achieve this function, the inflated shape of the cuff 8 may also be provided in other shapes, such as spheres and ovals.

Referring to fig. 4, the end surface of the flexible plastic catheter 7 is beveled to make the front end narrower, thereby facilitating insertion into the patient. At least one air hole 11 is opened on the lateral wall of flexible plastic pipe 7, and the preferred three of this embodiment, when the front end of flexible plastic pipe 7 was stopped up by foreign matter or human tissue, oxygen can get into from the air hole 11, guaranteed the normal oxygen suppliment to the disease.

Referring to fig. 4 and 5, the guide steel wire 12 is detachably connected in the catheter body 4, before the endotracheal tube is inserted into the human body, the guide steel wire 12 is arranged in the catheter body 4, so that the catheter body 4 can be inserted into the human body more smoothly, and after the insertion position of the catheter body 4 is proper, the guide steel wire 12 is pulled out, so that oxygen can be supplied normally.

The implementation principle of a special tracheal catheter in the embodiment of the application is as follows: before the endotracheal tube is inserted into a human body, the guide wire 12 is placed in the tube body 4, and the body end is inserted into the trachea of the patient from the oral cavity or nasal cavity of the patient. Medical personnel can observe the scale mark and judge the length of the catheter body 4 entering the human body. When the inlet end of the catheter body 4 enters the trachea of the patient, the guidewire 12 is withdrawn and other medical devices are connected to the catheter hub 5. Air can be introduced into the inflation tube 9, so that the inflation cuff 8 can be propped against the tracheal wall after the cuff 8 is inflated, and a certain fixing and limiting effect is realized on the catheter body 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A retractable tube for connecting a tube interface (5) and a tube body (4) in an endotracheal tube, characterized in that: the telescopic pipe comprises a telescopic pipe body, wherein the telescopic pipe body comprises a corrugated section (1) and connecting sections (2) arranged at two ends of the corrugated section (1), one of the connecting sections (2) is connected with a pipe connector (5), and the other connecting section (2) is connected with a pipe body (4); a supporting structure is arranged on the corrugated section (1); the supporting structure comprises a plurality of steel wire rings (3), and the steel wire rings (3) are arranged at the wave trough positions of the corrugated pipe.

2. A retractable catheter, as claimed in claim 1, wherein: the steel wire ring (3) is embedded in the wall thickness of the corrugated section (1).

3. A retractable catheter, as claimed in claim 1, wherein: the wave crest of the outer circumference of the section of the corrugated pipe is flat.

4. The utility model provides a tailor-made type endotracheal tube, includes pipe body (4), the one end of pipe body (4) is provided with pipe interface (5), and the other end is provided with flexible plastic catheter (7), be provided with cover bag (8) on flexible plastic catheter (7), its characterized in that: further comprising a retractable catheter according to any one of claims 1-3, which is arranged between the catheter body (4) and the catheter hub (5).

5. A customized endotracheal tube according to claim 4, characterized in that: and air holes (11) are formed in the outer side of the circumference of the flexible plastic conduit (7).

6. A customized endotracheal tube according to claim 5, characterized in that: the air holes (11) are provided with a plurality of air holes.

7. A customized endotracheal tube according to claim 4, characterized in that: the section of the cuff (8) is wedge-shaped in the full state of the cuff (8).