阅读说明：本技术 一种食道覆膜支架固定器 (Esophagus tectorial membrane support fixer ) 是由 周倩 于 2019-12-18 设计创作，主要内容包括：本发明涉及一种食道覆膜支架固定器,包括食道覆膜支架和与食道覆膜支架固定连接的外挂线,还包括用于防止外挂线对患者造成切割伤的防护组件；所述防护组件包括套设于外挂线外部与外挂线固定连接的软胶管、用于对鼻部进行整体封套的套座和用于对软胶管与套座进行可拆卸连接的锁扣机构,所述套座为顶部与底部开口的中空结构,所述套座封套于患者鼻部通过锁扣机构与外挂线相固定形成对食道覆膜支架的固定拉力。简而言之,本申请技术方案通过连贯而又紧凑的结构,从根本上解决了传统挂耳式固定器与外挂线容易对患者造成切割伤的问题,更进一步解决了传统挂耳式固定器存在容易脱落、不便于患者进行其他生活自理行为的问题。(The invention relates to an esophagus covered stent fixer, which comprises an esophagus covered stent, an external hanging wire fixedly connected with the esophagus covered stent and a protection assembly for preventing the external hanging wire from causing cutting injury to a patient; the protection assembly comprises a soft rubber pipe, a sleeve seat and a locking mechanism, the soft rubber pipe is sleeved outside the external hanging line and fixedly connected with the external hanging line, the sleeve seat is used for integrally sealing the nose portion, the locking mechanism is used for detachably connecting the soft rubber pipe and the sleeve seat, the sleeve seat is of a hollow structure with the top and the bottom open, and the sleeve seat is sealed on the nose portion of a patient and is fixedly connected with the external hanging line through the locking mechanism to form fixed pulling force for the esophagus covered stent. In short, this application technical scheme has fundamentally solved traditional hangers formula fixer and external wire and has caused the problem of cutting wound to the patient easily through linking up and compact structure, has further solved traditional hangers formula fixer and has dropped easily, be not convenient for the patient to carry out the problem of other life self-care behaviors.)

1. The utility model provides an esophagus tectorial membrane support fixer, includes esophagus tectorial membrane support and with esophagus tectorial membrane support fixed connection's external hanging line, its characterized in that: the protective component is used for preventing the external hanging wire from causing cutting injury to a patient;

the protective assembly comprises a soft rubber tube sleeved outside the external hanging wire and fixedly connected with the external hanging wire, a sleeve seat used for integrally enveloping the nose and a locking mechanism used for detachably connecting the soft rubber tube and the sleeve seat, the sleeve seat is of a hollow structure with openings at the top and the bottom, and the sleeve seat envelope is fixed on the nose of a patient through the locking mechanism and the external hanging wire to form a fixed pulling force for the esophagus covered stent;

the locking mechanism comprises two adjacent clapboards arranged at the rear end of the sleeve seat, a pressing plate arranged between the two clapboards through a hinge, a clamp nail block arranged on the surface of the pressing plate and a clamping hole formed in the thickness surface of the flexible rubber hose and clamped with the clamp nail block, the pressing plate is of an open structure with a concave middle part on the surface of one side, elastic limiting keys are symmetrically arranged on two sides of the pressing plate, limiting holes clamped with the elastic limiting keys are formed in the thickness surfaces of the two clapboards, the flexible rubber hose extends to the position between the two clapboards and is rotated through the pressing plate to form clamping force of the clamp nail block to the inner side of the clamping hole and further clamped to the inner side of the limiting hole through the elastic limiting keys to form clamping force of the pressing plate fixed;

the nasal dilator further comprises an expansion assembly which strengthens the close attachment of the inner side of the sleeve seat and the nose of a patient, wherein the expansion assembly comprises an inflatable bag fixedly arranged on the inner side of the sleeve seat and an elastic bag body communicated with the inflatable bag through a connecting pipe.

2. The esophageal stent graft fixator of claim 1, wherein: the connecting pipe is provided with a one-way valve.

3. The esophageal stent graft fixator of any one of claims 1-2, wherein: and a return spring is arranged in the elastic bag body.

4. The esophageal stent graft fixator of claim 1, wherein: the esophagus tectorial membrane support includes first fixed block and sets up in the second fixed block of first fixed block both sides through the hinge.

5. The esophageal stent graft fixator of claim 4, wherein: the tops of the first fixed block and the two second fixed blocks are respectively connected through two return springs.

6. The esophageal stent graft fixator of any one of claims 4-5, wherein: two one side that the second fixed block carried on the back mutually all is provided with the backup pad through the hinge.

7. The esophageal stent graft fixator of claim 6, wherein: the top of the supporting plate is of a hollow structure to the position close to the middle, and the bottom of the supporting plate is of a solid structure to the position close to the middle.

8. The esophageal stent graft fixator of claim 7, wherein: the top of two second fixed blocks all is provided with the connection rope, and two are connected the crossing tight rope that forms the tightening rope that exerts pulling force to the second fixed block of rope.

Technical Field

The invention relates to the technical field of medical appliances, in particular to an esophagus covered stent fixer.

Background

In the modern medical field, esophageal stent-grafts are mainly applied to three cases: 1. the esophageal precancer and the cardiac precancer are used for treating postoperative anastomotic severe stenosis or anastomotic cancer swelling and recurrence stenosis under an endoscope without secondary operation indication; esophageal cancer, esophageal and cardia stenosis obstruction caused by esophageal cancer radiotherapy stenosis, late esophageal cancer and cardia cancer; benign stricture of esophagus caused by various reasons. 2. Esophageal fistula, esophageal mediastinal fistula, esophageal perforation and rupture and anastomotic fistula after esophageal cancer surgery caused by various reasons. 3. The bracket is placed in advance before the esophageal cancer radiotherapy, so that esophageal stenosis and obstruction caused by local tissue edema in the radiotherapy can be prevented. Therefore, the esophagus tectorial stent is very important for the modern medical field.

However, the conventional esophageal stent graft has some disadvantages in medical clinical practice, the conventional esophageal stent graft needs to use a hanging wire to prevent the esophageal stent graft from shifting and sliding down when being used in the esophagus, most of the wire is made of a corrosion-resistant and high-strength thin nylon wire, and in consideration of objective factors such as eating of patients, the conventional ear-hanging type fixator is generally connected with an external hanging wire through a conventional ear-hanging type fixator, and the external hanging wire is used for fixing the esophageal stent graft from the nasal cavity to the esophagus, however, the esophageal esophagus mainly comprises a desmosome layer (inner layer) and a longitudinal muscle layer (outer layer), the two muscles have contraction and creep phenomena, the esophageal stent can shift to a certain extent, and the hanging wire of the esophageal stent has certain tension and gravity under the action of esophageal creep, and the conventional ear-hanging type fixator has ear-hanging type traction due to long-time esophageal creep, very easily cause the external wire of nasal cavity portion to form the cutting wound to the alar part of the nose, the nylon line also can cause the cutting wound to the esophagus entry through the repeated tractive friction of esophagus entry, cause very big misery for patient, if so, then directly cause the secondary damage to patient, on the other hand, the relatively poor and not convenient to patient of hangers formula fixer aesthetic property carries out other life self-care action, and at the in-process that uses, the phenomenon of slippage appears easily in hangers formula fixer. Therefore, it is important to provide an esophageal stent graft holder to solve the above problems.

Disclosure of Invention

In view of the above, the present invention provides an esophageal stent graft fixator, which solves the problem that an external thread is easy to cut a patient in the prior art, and further solves the problems that a conventional ear-hanging fixator is easy to fall off and is inconvenient for the patient to perform other self-care activities.

The invention is realized by the following technical scheme:

an esophagus covered stent fixer comprises an esophagus covered stent and an external hanging wire fixedly connected with the esophagus covered stent, and further comprises a protection assembly used for preventing the external hanging wire from causing cutting injury to a patient;

the protective assembly comprises a soft rubber tube sleeved outside the external hanging wire and fixedly connected with the external hanging wire, a sleeve seat used for integrally enveloping the nose and a locking mechanism used for detachably connecting the soft rubber tube and the sleeve seat, the sleeve seat is of a hollow structure with openings at the top and the bottom, and the sleeve seat envelope is fixed on the nose of a patient through the locking mechanism and the external hanging wire to form a fixed pulling force for the esophagus covered stent;

the locking mechanism comprises two adjacent clapboards arranged at the rear end of the sleeve seat, a pressing plate arranged between the two clapboards through a hinge, a clamp nail block arranged on the surface of the pressing plate and a clamping hole formed in the thickness surface of the flexible rubber hose and clamped with the clamp nail block, the pressing plate is of an open structure with a concave middle part on the surface of one side, elastic limiting keys are symmetrically arranged on two sides of the pressing plate, limiting holes clamped with the elastic limiting keys are formed in the thickness surfaces of the two clapboards, the flexible rubber hose extends to the position between the two clapboards and is rotated through the pressing plate to form clamping force of the clamp nail block to the inner side of the clamping hole and further clamped to the inner side of the limiting hole through the elastic limiting keys to form clamping force of the pressing plate fixed;

the nasal dilator further comprises an expansion assembly which strengthens the close attachment of the inner side of the sleeve seat and the nose of a patient, wherein the expansion assembly comprises an inflatable bag fixedly arranged on the inner side of the sleeve seat and an elastic bag body communicated with the inflatable bag through a connecting pipe.

Further, a one-way valve is arranged on the connecting pipe.

Further, a return spring is arranged inside the elastic bag body.

Further, the esophagus tectorial membrane support includes first fixed block and sets up in the second fixed block of first fixed block both sides through the hinge.

Furthermore, the tops of the first fixed block and the two second fixed blocks are respectively connected through two return springs.

Furthermore, two one side that the second fixed block carried on the back mutually all is provided with the backup pad through the hinge.

Furthermore, the top of the support plate is of a hollow structure to the position close to the middle, and the bottom of the support plate is of a solid structure to the position close to the middle.

Furthermore, the top of two second fixed blocks all is provided with the connection rope, and two are connected the crossing formation of rope and apply tensile tightening rope to the second fixed block.

The invention has the beneficial effects that:

1. the esophagus tectorial membrane support fixer is used by matching a soft rubber tube, a sleeve seat, two clapboards, a pressing plate, a clamping nail block, an elastic limit key, a clamping hole and a limit hole, medical personnel uses the soft rubber tube sleeve to be arranged outside an external hanging wire and fixedly connected with the external hanging wire, uses the esophagus tectorial membrane support to be pushed to the esophagus inner wall of a patient by using the esophagus support pusher, then extends the soft rubber tube out of the nasal cavity of the patient, uses the mutual clamping of the elastic limit key and the limit hole and the mutual clamping of the clamping hole and the clamping nail block to form the fixed connection of the pressing plate and the soft rubber tube, and uses the sleeve seat sleeve to be arranged on the nasal part of the patient, compared with the traditional esophagus tectorial membrane support fixer, the problem that the external hanging wire is easy to cause cutting injury to the esophagus inlet and the nasal wing of the patient is directly solved by using the flexibility of the soft rubber tube, and further uses the design idea, fundamentally has avoided hangers formula fixer aesthetic property relatively poor, be not convenient for the patient carry out the problem of other life self-care behaviors by oneself, needs to pay attention to in addition, sets up the fixer in the nose and compares in setting up the fixer in the ear, then obviously reduces the tractive motion to the inside outer string wire of flexible glue pipe and flexible glue pipe.

2. This esophagus tectorial membrane support fixer uses through the cooperation of gas cell and elasticity utricule, after patient's nasal part was located to the cover seat cover, can be according to the actual big or small condition of patient's nasal part, carry out the gas injection through elasticity utricule to gas cell inside for cover seat pastes tightly as far as mutually with patient's nasal part, thereby has further avoided cover seat probably to have the phenomenon that drops, become flexible.

In short, this application technical scheme has fundamentally solved traditional hangers formula fixer and external wire and has caused the problem of cutting wound to the patient easily through linking up and compact structure, has further solved traditional hangers formula fixer and has dropped easily, be not convenient for the patient to carry out the problem of other life self-care behaviors.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a third perspective view of the present invention;

FIG. 4 is a fourth perspective view of the present invention;

fig. 5 is a partial cross-sectional view of an elastomeric bladder of the present invention.

In the figure: 1. hanging wires outside; 2. an esophagus covered stent; 201. a second fixed block; 202. a first fixed block; 3. a guard assembly; 301. a soft rubber tube; 302. a sleeve seat; 4. a latch mechanism; 401. a staple block; 402. pressing a plate; 403. a partition plate; 5. an expansion assembly; 501. an air-filled bag; 502. an elastic bladder body; 6. a one-way valve; 7. a support plate; 8. and (6) tightening the rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the above description of the present invention, it should be noted that the terms "one side", "the other side" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.

Referring to fig. 1-5, the present invention provides a technical solution: an esophagus covered stent fixer comprises an esophagus covered stent 2, an external hanging wire 1 fixedly connected with the esophagus covered stent 2 and a protection component 3 for preventing the external hanging wire 1 from causing cutting injury to a patient;

the protection component 3 comprises a soft rubber tube 301 which is sleeved outside the outer hanging wire 1 and fixedly connected with the outer hanging wire 1, a sleeve seat 302 for integrally enveloping the nose part and a locking mechanism 4 for detachably connecting the soft rubber tube 301 with the sleeve seat 302, wherein the sleeve seat 302 is of a hollow structure with an opening at the top and the bottom, the sleeve seat 302 is sleeved on the nose part of a patient and fixedly forms a fixed pulling force to the esophagus tectorial membrane bracket 2 with the outer hanging wire 1 through the locking mechanism 4, the soft rubber tube 301 is sleeved outside the outer hanging wire 1, and by utilizing the flexibility of the outer hanging tube 301, the cutting injury of the wire to the esophagus inlet and the nasal wing of the patient can be avoided, in addition, the sleeve seat is fixed with the soft rubber tube by utilizing the locking mechanism, so that a fixer is arranged at the nasal wing of the patient to form the pulling force to the soft rubber tube and the outer hanging wire, and the emphasis is required to be placed at the nose part, compared with the fixer, the reason why the traction movement to the soft rubber tube and the external hanging wire is effectively reduced is that when the patient carries out other self-care activities by himself, the movement amplitude of the nose part is obviously lower compared with the movement amplitude of the ears at the two sides of the head part, the pulling force of the external hanging wire and the soft rubber tube to the esophagus tectorial membrane bracket is further reduced, in addition, the technical proposal of the application is that the sleeve seat is integrally sleeved on the nose, and the top and the bottom of the sleeve seat are both of open structures, thus avoiding the problem that the comfort of the patient is reduced due to the air blockage and the non-circulation inside the sleeve seat, in the field, there is a supporting tool for hanging the socket outside a single nostril in a separate suspension manner, compared with the technical scheme of the application, the nose traction device is obviously more humanized, and the traction force on a single nostril part is eliminated by utilizing the integral traction force of the nose, so that the use comfort of a patient is further improved;

the locking mechanism 4 comprises two adjacent clapboards 403 arranged at the rear end of the sleeve base 302, a press plate 402 arranged between the two clapboards 403 through a hinge, a staple block 401 arranged on the surface of the press plate 402 and a clamping hole arranged on the thickness surface of the soft rubber tube 301 and clamped with the staple block 401, the press plate 402 is an open structure with a concave middle part on the surface of one side, elastic limit keys are symmetrically arranged on two sides of the press plate 402, limit holes clamped with the elastic limit keys are arranged on the thickness surfaces of the two clapboards 403, the soft rubber tube extends to the position between the two clapboards 403, the staple block 401 is clamped to the inner side of the clamping hole through the rotation of the press plate 402, the press plate 402 is further clamped to the inner side of the limit hole through the elastic limit keys to form the clamping force of the press plate 402 on the soft rubber tube 301 fixed between the two clapboards, when the soft rubber tube extends to the two clapboards 403, the elastic limit key is clamped to the inner side of the limit hole in a proper manner, so that the clamping force of the clamp plate on the clamp hole by the clamp nail block can be achieved on the basis of fixing the clamp plate, at the moment, if the flexible rubber hose and the clamp plate 402 need to be separated and disassembled from each other, the elastic limit key only needs to be pressed to be separated from the inner side of the limit hole, at the moment, the clamp plate is rotated, and the clamp nail block can be taken out from the inner side of the clamp hole, and what needs to be emphasized here is that the elastic limit key mentioned in the application is disclosed in a building construction simulation device based on BIM (CN208281424U) which is an authorized and disclosed utility model, the structural principle of the elastic limit key is disclosed, so that the application does not need to describe the structure again;

still including strengthening the inflation component 5 that cover seat 302 is inboard closely pastes with patient's nasal part, inflation component 5 is including fixed the gas cell 501 that sets up in cover seat 302 inboard and the elasticity utricule 502 that sets up through connecting pipe and gas cell 501 intercommunication, because patient's nasal part size is different, after cover seat 302 cover located patient's nasal part, usable elasticity utricule 502 injects the inside gas of gas cell 501, then can make gas cell 501 after the inflation hug closely with patient's nasal part, in order to avoid the cover seat to appear becoming flexible, the phenomenon of landing in the use, the other point that this application needs to emphasize is, the venthole has been seted up on gas cell 501 surface, and the shutoff has the cock body on the venthole, when this device need dismantle in patient's nasal part, can extract the cock body, with the inside gas discharge of gas cell 501.

In the invention: be provided with check valve 6 on the connecting pipe, through being provided with check valve, can avoid appearing the phenomenon of gas reflux, and influence the elasticity utricule and carry out the gas injection to the gas cell inside.

In the invention: the inside of elasticity utricule 502 is provided with reset spring, can refer to description attached figure 5 here, is provided with reset spring in elasticity utricule inside, and its purpose is, when medical personnel pressed elasticity utricule 502 and carry out the gas injection to the gas cell, the elasticity utricule can resume deformation as early as possible under reset spring's effect to medical personnel continuously press the operation of elasticity utricule.

In the invention: esophagus tectorial membrane support 2 includes first fixed block 202 and sets up in the second fixed block 201 of first fixed block 202 both sides through the hinge, and here is subdivided into esophagus tectorial membrane support 2 into two connecting blocks, and the second fixed block sets up in the both sides of first fixed block for the activity, then avoids behind the esophagus tectorial membrane support deepens patient's esophagus inner wall, appears unable regulation card and dies the phenomenon to the esophagus inner wall, and causes the injury to the patient.

In the invention: the tops of the first fixing block 202 and the two second fixing blocks 201 are connected through two return springs respectively, the elasticity of the return springs is utilized here, the second fixing block 201 is further made to be tightly attached to the inner wall of the esophagus of a patient as far as possible, and the return springs have elasticity, so that the phenomenon that the second fixing block 201 is blocked to the inner wall of the esophagus is avoided.

In the invention: the two opposite sides of the second fixing blocks 201 are provided with the supporting plates 7 through hinges, and referring to fig. 1 in the specification, it can be further known that the supporting plates 7 are movably arranged on one sides of the second fixing blocks, so as to increase the contact area between the second fixing blocks and the inner wall of the esophagus as much as possible and reduce the pressure of the second fixing blocks on the inner wall of the esophagus.

In the invention: the backup pad 7 top is hollow structure to leaning on the middle part position, and backup pad 7 bottom is solid construction to leaning on the middle part position, further prescribes a limit to the concrete structure of backup pad here, through setting up its top into hollow structure, and the bottom sets up to solid construction, increases the focus of backup pad bottom, then makes backup pad 7 be the vertical state at the esophagus inner wall as far as, and avoids appearing the phenomenon of the chaotic activity of backup pad.

In the invention: the top of the two second fixing blocks 201 is provided with a connecting rope, and the two connecting ropes are crossed to form a tightening rope 8 for applying pulling force to the second fixing blocks, wherein when the esophagus stent booster is used for pushing the esophagus covering film stent to the esophagus wall of a patient, the end part of the soft rubber tube can extend to the oral cavity part of the patient, the tightening rope 8 is made of soft rubber and extends to the oral cavity part of the patient, the aim is to further facilitate medical personnel to control the mobility of the second fixing blocks 201, when the second fixing blocks 201 extend to the esophagus inner wall of the patient, the tightening rope can be pulled, so that the second fixing blocks 201 are close to one side of the first fixing plate as much as possible, the esophagus covering film stent integrally extends into the esophagus inner wall, when the esophagus covering stent reaches the esophagus inner wall, the tightening force of the tightening rope 8 is released, the second fixing blocks extend as much as possible under the action of the reset spring, and the supporting plate 7 is tightly close to the inner wall of the esophagus, and the point to be emphasized here is that no matter how the second fixing block moves, the supporting plate always keeps a vertical distribution state under the influence of the gravity of the supporting plate, and the phenomenon that the supporting plate is stuck to the inner wall of the esophagus cannot occur.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.