CN219001634U

CN219001634U - Spinal endoscope inflation or liquid injection imbedding drainage tube

Info

Publication number: CN219001634U
Application number: CN202222015646.XU
Authority: CN
Inventors: 李莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-05-12
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a spinal endoscope inflatable or liquid injection drainage tube, which comprises a drainage tube body and an inflation implantation mechanism, wherein the drainage tube body comprises a proximal end, a middle end and a distal end, the proximal end and the middle end are of soft structures so as to avoid damage to spinal nerves caused by excessive hardness of a traditional drainage tube, and the inflation implantation mechanism is arranged in an inner cavity of the drainage tube body so as to support the soft proximal end and the soft middle end of the drainage tube body, so that the drainage tube body is supported to be implanted into an operation position. The proximal end and the middle end of the drainage tube are soft structures with lower hardness, so that compression injury of the drainage tube to central nerves is avoided or reduced as much as possible, the drainage tube is safer in the use process, the drainage tube body supports feeding through the filling bag, the drainage tube body is conveniently fed through the spinal endoscope working sheath, and meanwhile, the conditions that the middle part of the feeding process of the drainage tube body is wrinkled and bent are avoided, so that the soft drainage tube is prevented from being blocked.

Description

Spinal endoscope inflation or liquid injection imbedding drainage tube

Technical Field

The utility model relates to the field of spinal endoscopes, in particular to an inflatable or liquid injection drainage tube for a spinal endoscope.

Background

The spinal endoscope operation is an operation in which a medical instrument is arranged at a focus through a spinal endoscope working sheath, and a compression object at the focus is taken out through the medical instrument so as to achieve a treatment effect; in the operation of the spinal endoscope, the bleeding can occur in partial cases, and meanwhile, the pathogenicity at the focus of partial cases is infection suppuration, so that in the operation of the spinal endoscope, a drainage tube is needed to lead out blood or pus.

Because the spinal endoscopic surgery directly reaches the focus through the working sheath, and the focus part is spinal nerve tissue, the hardness of the common drainage tube is not specially considered, the placement direction of the drainage tube is vertical to spinal nerves, when the drainage tube generates longitudinal movement and pressurization due to the change of the position of a patient body, the risk of causing nerve damage to the patient exists, and particularly, after the endoscopic surgery of cervical vertebra and thoracic vertebra, the nerve damage caused by the drainage tube is particularly noted.

In order to ensure the safety of the spinal endoscope operation and avoid nerve injury caused by the drainage tube, a feasible design is to design a novel highly soft drainage tube by adopting soft materials, but in clinical use, the design is very difficult to put in the drainage tube through a spinal endoscope working sheath due to lower hardness of the drainage tube, and in the feeding process, the drainage tube is easy to bend due to oversoft, so that the drainage tube is blocked, and the use is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an inflatable or liquid-injecting drainage tube for a spinal endoscope.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: comprises a drainage tube body and a filling imbedding mechanism;

the drainage tube body comprises a proximal end, a middle end and a distal end, wherein the proximal end and the middle end are of soft structures so as to avoid damage to spinal nerves caused by excessive hardness of the traditional drainage tube;

the filling imbedding mechanism is arranged in the inner cavity of the drainage tube body to support the soft proximal end and the middle end of the drainage tube body so as to support the drainage tube body to be imbedded in the operation position.

Preferably, the filling and imbedding mechanism comprises a traction wire, a filling bag and a filling and releasing interface, wherein the traction wire and the filling and releasing interface are respectively arranged in the filling bag.

Preferably, the filling state outer diameter of the filling bag is slightly smaller than the inner diameter of the drainage tube body.

Preferably, the proximal end and the middle end are made of silica gel, and the hardness of the proximal end and the middle end is set to be 30A to 50A.

Preferably, a plurality of groups of side holes are formed in the side wall of the proximal end.

Preferably, the middle end is provided with indication scale marks.

Preferably, a drainage interface is arranged on the distal end.

Preferably, the length of the drainage tube body is 0-40cm, and the length of the filling bag is matched with the length of the drainage tube body.

Preferably, the outer diameter of the drainage tube body is smaller than 6.3mm, and the filling state outer diameter of the filling bag is set to be 3-4mm.

Preferably, the inner wall of the drainage tube body and the outer wall of the filling bag are both smooth.

The utility model has the following beneficial effects:

1. the near end and the middle end of the drainage tube are soft structures with lower hardness, so that the compression damage of the drainage tube to central nerves is avoided or reduced as much as possible, and the drainage tube is safer in the use process;

2. the drainage tube body supports to be fed through filling the bag for the drainage tube body is convenient to be fed through the spinal endoscope working sheath, and simultaneously the situations that the drainage tube body folds, bends and the like in the middle of the feeding process are avoided, so that the soft drainage tube is prevented from being blocked.

Drawings

FIG. 1 is a schematic diagram of a combined structure of the present utility model;

FIG. 2 is a schematic view of the structure of the drainage tube body of the present utility model;

fig. 3 is a schematic structural view of the filling mechanism of the present utility model.

Legend description:

1. a drainage tube body; 11. a proximal end; 111. a side hole; 12. a middle end; 121. indicating scale marks; 13. a distal end; 131. a drainage interface; 2. filling the insertion mechanism; 21. traction wire; 22. filling the capsule; 23. and a charging and discharging interface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: comprises a drainage tube body 1 and a filling imbedding mechanism 2;

an X-ray-impermeable metal wire (not shown in the figure) is arranged in the drainage tube body 1, the drainage tube body 1 comprises a proximal end 11, a middle end 12 and a distal end 13, wherein the proximal end 11 and the middle end 12 are of soft structures, so that the damage of the traditional drainage tube to spinal nerves caused by excessive hardness is avoided;

the filling implantation mechanism 2 is arranged in the inner cavity of the drainage tube body 1 to support the soft proximal end 11 and the middle end 12 of the drainage tube body 1 so as to support the drainage tube body 1 to be implanted in the operation position.

Further, the filling mechanism 2 includes a traction wire 21, a filling bag 22 and a filling and discharging interface 23, and the traction wire 21 and the filling and discharging interface 23 are respectively disposed on the filling bag 22.

According to the technical scheme, when the filling and placing mechanism 2 is used, the filling and placing mechanism is plugged into the drainage tube body 1 in an unfilled state, gas or liquid is filled into the filling bag 22 through the filling and placing interface 23 after the filling and placing mechanism is plugged, so that the filling bag 22 is inflated and filled, the soft drainage tube body 1 is supported, the drainage tube body 1 is placed into an operation position through a spinal endoscope working sheath, after the drainage tube body 1 is fed in, the gas or liquid in the filling bag 22 is discharged through the filling and placing interface 23, and the unfilled filling and placing mechanism 2 is withdrawn from the drainage tube body 1, so that the whole placing process is completed; in this process, the traction wire 21 is used to pull the filling bag 22 into the drainage tube body 1, and after the filling bag 22 enters the drainage tube body 1, the traction wire is sheared out.

Further, the inflated bladder 22 has an inflated outer diameter slightly smaller than the inner diameter of the drain body 1.

Through this technical scheme, filling bag 22 is used for supporting drainage tube body 1, keeps the form of drainage tube body 1 to make drainage tube body 1 conveniently send into through backbone endoscope work sheath, also avoid drainage tube body 1 to send into the in-process middle part and take place the situation such as fold, buckle simultaneously.

Further, the proximal end 11 and the middle end 12 are made of silica gel, and the hardness of the proximal end 11 and the middle end 12 is set to be 30A to 50A.

According to the technical scheme, the silica gel material with the hardness of 30A to 50A is selected, so that the damage to the central nervous system of a human body is effectively avoided or reduced as far as possible, and in other feasible embodiments, certain soft and bacteria-isolating high polymer materials can be adopted.

Further, the side wall of the proximal end 11 is provided with a plurality of sets of side holes 111.

Through this technical scheme, the conduction effect of honeycomb duct has been strengthened to side opening 111 for the honeycomb duct uses more smoothly.

Further, the middle end 12 is provided with an indicating scale line 121.

Through this technical scheme, indicate scale mark 121 is used for instructing the length of sending into of drainage tube body 1, and the medical personnel of being convenient for send into of accuse drainage tube.

Further, a drainage interface 131 is provided on the distal end 13.

Through this technical scheme, the distal end 13 of drainage tube body 1 is the body for normal hardness, and its tip is provided with the drainage interface 131 of being connected with the drainage bag, and drainage interface 131 can also be used for connecting extra drainage tube to the length of extension drainage tube body 1 according to the user demand.

Further, the length of the drainage tube body 1 is 30-40cm, and the length of the filling bag 22 is matched with the length of the drainage tube body 1.

Through this technical scheme, the length of drainage tube body 1 is 30-40cm, conveniently places into the use, and when the longer body of drainage tube user demand is, can connect extra drainage tube extension length through drainage interface 131.

Further, the outer diameter of the drainage tube body 1 is smaller than 6.3mm, and the filling state outer diameter of the filling bag 22 is set to be 3-4mm.

According to the technical scheme, in clinical use, as the inner diameter of the spinal endoscope working sheath is 6.3mm, the drainage tube body 1 needs to be placed through the spinal endoscope working sheath, the outer diameter of the drainage tube body 1 needs to be smaller than 6.3mm, the drainage tube body 1 is generally convenient to send in, the outer diameter of the filling bag 22 is usually 5-6mm, and the outer diameter of the filling bag is the radius of a liquid path channel of the drainage tube body 1.

Further, the inner wall of the drainage tube body 1 and the outer wall of the filling bag 22 are both smooth.

Through this technical scheme, the inner wall of drainage tube body 1 is smooth with the outer wall of filling bag 22 to reduce frictional force, avoid filling to put into the inner wall adhesion at drainage tube body 1 when mechanism 2 is taken out.

Working principle: the proximal end 11 and the middle end of the drainage tube body 1 are arranged to be of soft structures with high softness, so that the drainage tube is prevented from pressing the central nerve in use, the safety of the spinal endoscopic surgery is improved, meanwhile, the filling implantation mechanism 2 is arranged in the drainage tube body 1, the filling bag 22 of the filling implantation mechanism 2 can be inflated through inflation or liquid filling, the soft drainage tube body 1 is supported to be fed into a surgery position, the tail end of the drainage tube body 1 cannot exceed 6.3mm, the drainage tube is not easy to be put into or folded in a working sheath, an air bag type supporting tube bag is adopted in the drainage tube, when the drainage tube is used, the inflation or liquid filling in the air bag enables the drainage tube to be straightened and have certain hardness so as to be convenient to be put into the surgical site in the body through the spinal endoscopic working sheath, the drainage tube body 1 is convenient to be fed through the spinal endoscopic working sheath, and the conditions of wrinkling, bending and the like in the middle of the feeding process are avoided.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Spinal column endoscope fills gas or annotates liquid and puts into drainage tube, its characterized in that: comprises a drainage tube body (1) and a filling imbedding mechanism (2);

the drainage tube body (1) comprises a proximal end (11), a middle end (12) and a distal end (13), wherein the proximal end (11) and the middle end (12) are of soft structures so as to avoid damage to spinal nerves caused by excessive hardness of a traditional drainage tube;

the filling implantation mechanism (2) is arranged in the inner cavity of the drainage tube body (1) to support the soft proximal end (11) and the middle end (12) of the drainage tube body (1) so as to support the drainage tube body (1) to be implanted into an operation position.

2. The spinal endoscope inflation or infusion insertion drainage tube of claim 1, wherein: the filling implantation mechanism (2) comprises a traction wire (21), a filling bag (22) and a filling and discharging interface (23), wherein the traction wire (21) and the filling and discharging interface (23) are respectively arranged on the filling bag (22).

3. The spinal endoscope inflation or infusion insertion drainage tube of claim 2, wherein: the filling state outer diameter of the filling bag (22) is slightly smaller than the inner diameter of the drainage tube body (1).

4. The spinal endoscope inflation or infusion insertion drainage tube of claim 1, wherein: the proximal end (11) and the middle end (12) are made of silica gel, and the hardness of the proximal end (11) and the middle end (12) is set to be 30A to 50A.

5. The spinal endoscope inflation or infusion insertion drainage tube of claim 1, wherein: a plurality of groups of side holes (111) are formed in the side wall of the proximal end (11).

6. The spinal endoscope inflation or infusion insertion drainage tube of claim 1, wherein: the middle end (12) is provided with indication graduation marks (121).

7. The spinal endoscope inflation or infusion insertion drainage tube of claim 1, wherein: the distal end (13) is provided with a drainage interface (131).

8. The spinal endoscope inflation or infusion insertion drainage tube of claim 2, wherein: the length of the drainage tube body (1) is 30-40cm, and the length of the filling bag (22) is matched with the length of the drainage tube body (1).

9. The spinal endoscope inflation or infusion insertion drainage tube of claim 2, wherein: the outer diameter of the drainage tube body (1) is smaller than 6.3mm, and the filling state outer diameter of the filling bag (22) is set to be 3-4mm.

10. The spinal endoscope inflation or infusion insertion drainage tube of claim 2, wherein: the inner wall of the drainage tube body (1) and the outer wall of the filling bag (22) are both smooth.