CN218220707U

CN218220707U - Jaw cyst negative pressure drainage device that windows

Info

Publication number: CN218220707U
Application number: CN202221767453.3U
Authority: CN
Inventors: 胡颖恺; 杨驰; 徐光宙; 谢千阳
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-06
Anticipated expiration: 2032-07-07

Abstract

The utility model provides a jaw cyst windowing negative pressure drainage device, which comprises an expansion bag (1), an integrated hose (2) and a negative pressure ball (3), wherein the integrated hose (2) comprises a drainage hose (4), a flushing hose (5) and a conduit (6), the expansion bag (1) is sleeved outside the integrated hose (2), one end of the conduit (6) is communicated with the expansion bag (1), and the other end of the conduit penetrates out of the side wall of the integrated hose (2) and is formed with a medium charging port; the drainage hose (4) is communicated with the negative pressure ball; one end of the flushing hose (5) penetrates out of the side wall of the integrated hose (2) and is provided with a flushing liquid injection port. The utility model is simple and convenient to operate, and the comfort level of the patient is high; the sealing sucker and the expansion bag can play a double sealing role, the negative pressure drainage effect is good, the cyst is accelerated to be reduced, and the injury to a patient is small; the expansion capsule also has a compression effect and can play a certain role in hemostasis.

Description

Jaw cyst negative pressure drainage device that windows

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a jaw cyst negative pressure drainage device of windowing.

Background

When a large jaw cyst is treated by partial jaw resection, scaling or enucleation, pathological or iatrogenic fractures may be caused, resulting in maxillofacial deformity, loss of multiple teeth in the affected area and damage to adjacent important anatomical structures, such as maxillary sinus and lower alveolar nerve canal, affecting normal physiological functions. Therefore, for large jaw cyst, windowing decompression drainage is preferably adopted to reduce the pressure in the cyst cavity, promote the formation of new bones around the lesion area and the reduction of the cyst cavity, and achieve the purposes of preserving important anatomical structures and reducing surgical wounds. However, the windowing drainage treatment period is long, and the treatment period is usually over one year, so that the negative pressure drainage operation is carried out at the same time, the static pressure of a capsule cavity can be changed into negative pressure stress, the transformation of epithelium and the reconstruction of bones from a capsule-bone interface to the direction of the cavity are accelerated, and the treatment period is greatly shortened.

The iodized imitation gauze is filled in the capsule cavity, so that the negative pressure drainage effect cannot be realized, and the medicine needs to be changed for many times, thereby causing inconvenience to patients; peculiar smell exists, and the comfort level of a patient is low; secondary trauma may result upon removal. The cyst plug made of common self-setting plastics has poor edge closure, even if a drainage tube is adhered and a negative pressure drainage ball is externally connected, the cyst plug cannot obtain good negative pressure drainage effect, and particularly for maxillary cyst in a molar area, a windowing drainage part is close to a vestibular sulcus area and is adjacent to structures such as buccal frenulum and the like, so the cyst plug is easy to fall off when the mouth is opened, the user speaks or yawns, the retention property is poor, and the application of the cyst plug is limited; in addition, the dressing needs to be taken off and worn for a plurality of times during washing every day, and the patient is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a jaw cyst negative pressure drainage device of windowing for solve among the prior art the cyst stopper edge closure that adopts in the jaw cyst decompression drainage technique of windowing not good, negative pressure drainage effect and wash the inconvenient problem of changing dressings.

To achieve the above and other related objects, the present invention provides a solution including the following features.

The utility model provides a jaw cyst windowing negative pressure drainage device, which comprises an expansion bag, an integrated hose and a negative pressure ball, wherein the integrated hose comprises a drainage hose, a flushing hose and a catheter, the expansion bag is sleeved outside the integrated hose, one end of the catheter is communicated with the expansion bag, and the other end of the catheter penetrates out of the side wall of the integrated hose and is provided with a medium charging port; the drainage hose is communicated with the negative pressure ball; one end of the flushing hose penetrates out of the side wall of the integrated hose and is provided with a flushing liquid injection port.

Preferably, the expansion bladder is proximate the open end of the integrated hose; the medium charging port and the medium injection port are arranged between the expansion bladder and the negative pressure ball.

Preferably, the flushing device further comprises a soft tissue attachment part, and the sealing ring is sleeved outside the integrated hose between the expansion bladder and the medium charging port and/or the flushing liquid injection port.

Preferably, the sealing ring is slidable along the integrated hose.

Preferably, the negative pressure ball is detachably connected with the flushing hose.

Preferably, integrated hose has the opening that is linked together with the cyst chamber that jaw cyst postoperative formed, integrated hose is close to a plurality of drainage hole has been seted up to the lateral wall of opening part, the drainage hole with drainage hose is linked together.

Preferably, the inflatable bladder has a first state when not filled with a medium and expands to a second state after filling with a medium.

Preferably, the negative pressure ball comprises a negative pressure cavity, and negative pressure is formed in the negative pressure cavity when the negative pressure ball is pressed; the volume of the negative pressure cavity is 30-50 ml.

Preferably, the size of the inflatable bladder in the first state is less than the jaw cyst fenestration area; the size of the inflatable bladder in the second state is greater than the jaw cyst fenestration area.

Preferably, the inflatable bladder is spherical in shape in the second state.

Preferably, the diameter of the sphere is 1 to 1.5cm.

Preferably, the diameter of the integrated hose is 6 to 8mm.

Preferably, the diameter of the drainage hose is 2 to 3mm.

Preferably, the diameter of the flushing hose is 2-3 mm.

Preferably, the diameter of the conduit is 2 to 3mm.

Preferably, the medium charging port and the flushing liquid injection port are distributed along two sides of the integrated hose in a staggered manner; the drainage hose extends along the direction of the integrated hose and is communicated with the negative pressure ball.

Preferably, the medium charging port is provided with a first protective cap, and the first protective cap is detachably connected with the medium charging port.

Preferably, the flushing liquid injection port is provided with a second protective cap, and the second protective cap is detachably connected with the flushing liquid injection port.

As above, the utility model discloses a jaw cyst negative pressure drainage device that windows has following beneficial effect: the integrated hose design comprising the drainage hose, the flushing hose and the catheter is adopted, the device can be used for flushing and changing the medicine without being taken down, the structure is compact, the operation is simple and convenient, and the comfort degree of a patient is high; a proper amount of medium is injected into the expansion capsule through the catheter, so that the diameter of the expansion capsule is slightly larger than that of the fenestration, the capsule cavity is pressed, the sealing sucker and the expansion capsule can play a double sealing role, the sealing performance is good, the negative pressure drainage effect is good, the cyst reduction is accelerated, important anatomical structures such as maxillary sinuses and the like are preserved, and the facial deformity and the damage of physiological functions are prevented; good retention and stabilization effects can be achieved without other additional retainers, and the damage to patients is small; the expansion capsule has compression effect on wound surface in the second state, and has certain hemostatic effect.

Drawings

Fig. 1 shows the structure diagram of the jaw cyst windowing negative pressure drainage device in the first state.

Fig. 2 shows the structure diagram of the jaw cyst negative pressure drainage device in the second state.

Fig. 3 shows the working principle of the jaw cyst windowing negative pressure drainage device of the utility model.

Description of the reference numerals

1. Expansion bag

2. Integrated hose

3. Negative pressure ball

4. Drainage hose

5. Flushing hose

6. Catheter tube

7. Sealing sucker

8. Opening(s)

9. Drainage hole

10. First protective cap

11. Second protective cap

12. Oral mucosa and bone tissue

13. Drainage port

Detailed Description

The following description is given for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present invention.

Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 to 3, the utility model provides a specific jaw cyst negative pressure drainage device that windows, including an expansion bag 1, an integrated hose 2 and a negative pressure ball 3, the integrated hose 2 includes a drainage hose 4, a flushing hose 5 and a catheter 6, the expansion bag 1 is sleeved outside the integrated hose 2, one end of the catheter 6 is communicated with the expansion bag 1, and the other end of the catheter penetrates out from the side wall of the integrated hose 2 and forms a medium inlet; the drainage hose 4 is communicated with the negative pressure ball; one end of the flushing hose 5 penetrates out of the side wall of the integrated hose 2 and is formed with a flushing liquid injection port.

In the technical scheme of the application, the design of the integrated hose comprising the drainage hose, the flushing hose and the catheter is adopted, the device can be used for flushing and changing the medicine without being taken down, the structure is compact, the operation is simple and convenient, and the comfort level of a patient is high; a proper amount of medium is injected into the expansion capsule through the catheter, so that the diameter of the expansion capsule is slightly larger than that of the fenestration, the capsule cavity is pressed, the sealing sucker and the expansion capsule can play a double sealing role, the sealing performance is good, the negative pressure drainage effect is good, the cyst reduction is accelerated, important anatomical structures such as maxillary sinuses and the like are preserved, and the facial deformity and the damage of physiological functions are prevented; good retention and stabilization effects can be achieved without other additional retainers, and the damage to patients is small.

In a particular embodiment, the expansion bladder 1 is near the open end of the integrated hose 2; the medium charging port and the medium injection port are arranged between the expansion bladder 1 and the negative pressure ball 3.

In a specific embodiment, the flushing device further comprises a sealing suction cup 7, wherein the sealing suction cup 7 is sleeved outside the integrated flexible pipe 2 between the expansion bladder 1 and the medium charging port and/or the flushing liquid injection port.

In a specific embodiment, the sealing suction cup 7 can slide along the integrated hose 2, so that the position can be adjusted conveniently to improve the sealing performance during the negative pressure drainage process.

In a specific embodiment, the negative pressure ball 3 is detachably connected with the flushing hose 5, so that the air pressure inside and outside the sac cavity can be adjusted during the flushing stage.

In a specific embodiment, the integrated hose 2 has an opening 8 communicated with a cavity formed after a jaw cyst operation, a plurality of drainage holes 9 are opened on the side wall of the integrated hose 2 close to the opening 8, and the drainage holes 9 are communicated with the drainage hose 4. The drainage holes 9 are designed to facilitate the quick extraction of the accumulated liquid and/or the accumulated blood at the side wall in the sac cavity, improve the operation efficiency and relieve the pain of the patient.

In a particular embodiment, as shown in fig. 1, the inflatable bladder 1 has a first state when not filled with a medium; in one particular embodiment as shown in fig. 2, the expansion to the second state occurs after the injection of the medium. The expansion capsule has the compression effect on the surgical wound surface after jaw cyst windowing in the second state, and can play a certain hemostatic effect.

In a specific embodiment, the negative pressure ball 3 comprises a negative pressure cavity, and negative pressure is formed in the negative pressure cavity when the negative pressure ball 3 is pressed; the volume of the negative pressure cavity is 30-50 ml, such as 30-40 ml, 40-45 ml and 45-50 ml.

In a particular embodiment, the size of the inflatable bladder 1 in the first state is less than the jaw cyst fenestration area; the size of the expansion bag 1 in the second state is larger than the windowing area of the jaw cyst, so that the expansion bag 1 can be smoothly placed in the bag cavity in the first state, and can be matched with the sealing sucker to seal the windowing edge of the jaw cyst in the second state, and the negative pressure drainage effect is improved; after the flushing and the liquid discharging are finished, the medium is discharged and recovered to the first state, and is taken out from the capsule cavity.

In a specific embodiment, the inflatable balloon 1 is spherical in the second state, and may be made of silica gel, so as to be attached to the oral mucosa, thereby effectively sealing the fenestrated edge of the jaw cyst.

In a particular embodiment, the spheres have a diameter of 1 to 1.5cm, such as in particular 1 to 1.0cm,1.0 to 1.2cm,1.2 to 1.5cm.

In a particular embodiment, the diameter of the integration hose 2 is 6 to 8mm, such as in particular 6 to 7.5mm,7.5 to 8.0mm.

In a particular embodiment, the drainage hose 4 has a diameter of 2 to 3mm, such as in particular 2 to 2.5mm,2.5 to 3mm.

In a more specific embodiment, the drainage apertures 9 are circular and have a diameter of 1 to 2mm, such as, specifically, 1 to 1.5mm,1.5 to 2mm. Drainage hole 9 undersize can lead to the drainage effect not good, and too big can lead to the intensity of integrated hose 2 and drainage hose 4 to hang down, and control is comparatively reasonable in above-mentioned within range.

In a more specific embodiment, the drainage holes 9 are oval and evenly distributed.

In a particular embodiment, the diameter of the flushing hose 5 is 2 to 3mm, such as in particular 2 to 2.5mm,2.5 to 3mm.

In a particular embodiment, the diameter of said conduit 6 is comprised between 2 and 3mm, such as in particular between 2 and 2.5mm,2.5 and 3mm.

In a particular embodiment as shown in fig. 1, the medium inlet and the flushing liquid injection ports are staggered along both sides of the integrated hose 2; the drainage hose 4 extends along the direction of the integrated hose 2 and is communicated with the negative pressure ball 3.

In a particular embodiment, as shown in fig. 1 and 2, the medium inlet is provided with a first protective cap 10, which first protective cap 10 is detachably connected in a sealing manner to the medium inlet. The first protective cap is designed to be convenient to seal in time after being filled with a medium, wherein the medium can be air or normal saline and the like.

In a specific embodiment as shown in fig. 1 and 2, the washing liquid injection port is provided with a second protective cap 11, and the second protective cap 11 is detachably connected with the washing liquid injection port in a sealing manner; the first protective cap is designed to facilitate timely sealing after washing, so that aseptic operation in the negative pressure drainage process is ensured.

Use the medium is the air as an example, the utility model discloses a jaw cyst negative pressure drainage device that windows's use principle as follows:

as shown in fig. 1 and 2, after the jaw cyst is windowed, the opening 8 of the integrated hose 2 and the expansion capsule 1 with the first state are placed in a capsule cavity formed after the jaw cyst is windowed through a drainage port 13 formed on the wound surface, the first protective cap 10 is opened, air is filled into the expansion capsule 1 through the medium filling port and the conduit 6, and the air flows to the direction shown in fig. 3;

along with the injection of air, the expansion bag 1 expands to finally press the inner surface of soft tissue 12 at the edge of the windowing wound surface of the jaw cyst, at the moment, the expansion bag 1 is in a second state as shown in figure 2, and the medium filling port is sealed through the first protective cap 10 to ensure the second state to be continuous; adjusting the sealing sucker 7 to the outer surfaces of oral mucosa and bone tissues 12 at the edge of the jaw cyst windowing wound surface, extruding and discharging air, and fixing to form a sealing structure;

negative pressure is formed in the negative pressure cavity by pressing the negative pressure ball 3 to suck out effusion and/or hematocele in the sac cavity, the flow direction of the effusion and/or hematocele is shown in figure 3, a part of the effusion and/or hematocele enters the drainage hose 4 from the opening 8 for negative pressure drainage to the negative pressure ball, the other part of the effusion and/or hematocele directly enters the drainage hose 4 from the drainage hole 9 for negative pressure drainage to the negative pressure ball, the negative pressure ball 3 is detached and the effusion and/or hematocele are poured off, the effusion and/or hematocele are cleaned for later use, and the internal and external air pressures are balanced at the moment;

injecting physiological saline or an anti-inflammatory liquid medicine into the irrigation hose 5 through the irrigation solution injection port, the flow direction of which is shown in fig. 3;

after the completion is washed, install sanitized negative pressure ball 3 on drainage hose 4, press negative pressure ball 3 and make the negative pressure intracavity form the flush fluid of negative pressure in order to suck the cyst cavity, the flow direction of flush fluid is as shown in fig. 3, some flush fluid gets into drainage hose 4 negative pressure drainage to the negative pressure ball in from opening 8, another part flush fluid gets into drainage hose 4 negative pressure drainage to the negative pressure ball in from drainage hole 9, demolish negative pressure ball 3, pour the flush fluid, it is for use after the washing.

Opening the first protective cap 10, discharging the air in the expansion bag 1 from the medium charging port, and contracting the expansion bag 1 to a first state, wherein the size of the expansion bag 1 is smaller than the windowing area of the jaw cyst; the sealing suction cup is moved along the integrated hose 2 in a direction away from the balloon cavity, and the inflatable balloon 1 and the integrated hose 2 are removed from the balloon cavity.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The jaw cyst windowing negative pressure drainage device is characterized by comprising an expansion bag (1), an integrated hose (2) and a negative pressure ball (3), wherein the integrated hose (2) comprises a drainage hose (4), a flushing hose (5) and a catheter (6), the expansion bag (1) is sleeved outside the integrated hose (2), one end of the catheter (6) is communicated with the expansion bag (1), and the other end of the catheter penetrates out of the side wall of the integrated hose (2) and is formed with a medium filling port; the drainage hose (4) is communicated with the negative pressure ball; one end of the flushing hose (5) penetrates out of the side wall of the integrated hose (2) and is provided with a flushing liquid injection port.

2. A jaw cyst windowing negative pressure drainage device according to claim 1, characterized in that: the expansion bag (1) is close to the open end of the integrated hose (2); the medium charging port and the medium injection port are arranged between the expansion capsule (1) and the negative pressure ball (3).

3. A jaw cyst windowing negative pressure drainage device according to claim 1, characterized in that: the flushing device is characterized by further comprising a sealing sucker (7), wherein the sealing sucker (7) is sleeved outside the integrated hose (2) between the expansion bag (1) and the medium filling port and/or the flushing liquid injection port.

4. A jaw cyst windowing negative pressure drainage device according to claim 3, characterized in that: the sealing sucker (7) can slide along the integrated hose (2); and/or the negative pressure ball (3) is detachably connected with the flushing hose (5).

5. The jaw cyst negative pressure drainage device that windows of jaw of claim 1, characterized in that: integrated hose (2) have opening (8) that are linked together with the cyst chamber that jaw cyst postoperative formed, integrated hose (2) are close to a plurality of drainage hole (9) have been seted up to the lateral wall of opening (8) department, drainage hole (9) with drainage hose (4) are linked together.

6. The jaw cyst negative pressure drainage device that windows of jaw of claim 1, characterized in that: the expansion bladder (1) has a first state when no medium is injected and expands to a second state after the medium is injected;

and/or the negative pressure ball (3) comprises a negative pressure cavity, and negative pressure is formed in the negative pressure cavity when the negative pressure ball (3) is pressed; the volume of the negative pressure cavity is 30-50 ml.

7. The jaw cyst negative pressure drainage device that windows of jaw of claim 6, characterized in that: the size of the inflatable bladder (1) in the first state is smaller than the jaw cyst fenestration area; the size of the inflatable bladder (1) in the second state is larger than the jaw cyst fenestration area; and/or the inflatable bladder (1) is spherical in shape in the second state.

8. A jaw cyst windowing negative pressure drainage device according to claim 7, characterized in that: the diameter of the sphere is 1-1.5 cm.

9. A jaw cyst windowing negative pressure drainage device according to claim 1, characterized in that: the diameter of the integrated hose (2) is 6-8 mm;

and/or the diameter of the drainage hose (4) is 2-3 mm;

and/or the diameter of the flushing hose (5) is 2-3 mm;

and/or the diameter of the conduit (6) is 2-3 mm.

10. The jaw cyst negative pressure drainage device that windows of jaw of claim 1, characterized in that: the medium charging port and the flushing liquid injection port are distributed along two sides of the integrated hose (2) in a staggered manner; the drainage hose (4) extends along the direction of the integrated hose (2) and is communicated with the negative pressure ball (3);

and/or the medium charging port is provided with a first protective cap (10), and the first protective cap (10) is detachably and hermetically connected with the medium charging port;

and/or the flushing liquid injection port is provided with a second protective cap (11), and the second protective cap (11) is detachably connected with the flushing liquid injection port in a sealing manner.