CN215652907U

CN215652907U - Pleural cavity closed drainage tube fixing device

Info

Publication number: CN215652907U
Application number: CN202121572449.7U
Authority: CN
Inventors: 何慧; 黄浦; 覃美凤
Original assignee: People's Hospital Of Hechi
Current assignee: People's Hospital Of Hechi
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-28
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to the field of medical equipment, and particularly discloses a pleural cavity closed drainage tube fixing device, which comprises: the fixing seat component comprises a glue paste, a soft rubber sleeve and a connecting threaded sleeve, wherein a first thrust surface is arranged on the connecting threaded sleeve, a fastening nut which is provided with a second thrust surface and matched with the connecting threaded sleeve, and a sealing sleeve which is arranged between the fastening nut and the connecting threaded sleeve. The drainage tube is connected and fixed through the fixing seat assembly provided with the adhesive tape and the soft rubber sleeve, a certain flexible buffering effect can be achieved when the drainage tube is impacted by external force, the sealing sleeve is extruded through the first thrust surface in the connecting threaded sleeve and the second thrust surface in the fastening nut, the inner wall of the sleeve hole in the sealing sleeve is arched inwards, the inner diameter of the sleeve hole is contracted, the drainage tube can be clamped more firmly, the sealing effect can be enhanced, the drainage tube is effectively prevented from being pulled under the action of the external force, and secondary infection of wounds of patients is prevented.

Description

Pleural cavity closed drainage tube fixing device

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to a pleural cavity closed drainage tube fixing device.

Background

The closed pleural cavity drainage is a common treatment means for clinically treating tension pneumothorax, traumatic intermediate-volume and higher hemothorax and invalid empyema in internal treatment, and has the main operation modes as follows: firstly, making 2-3cm incisions along the ribs, and sequentially cutting the skin and subcutaneous tissues; then, two hemostatic forceps are used for alternately carrying out blunt separation on the muscular layer of the chest wall to the upper edge of the rib, and the parietal pleura is punctured between the ribs to enter the pleural cavity, so that obvious breakthrough feeling can be realized, and meanwhile, liquid overflows or air is sprayed out from the incision; the drainage tube was then immediately placed into the pleural cavity along the hemostat. The side hole should be positioned at 2-3cm inside the chest, 1-2 needles are sutured intermittently, and the drainage tube is fixed by ligation to prevent falling out. The drainage tube is connected with the water-sealed bottle, and each connector is tight to avoid air leakage; then, withdrawing the needle core, placing the catheter, then withdrawing the trocar while placing the tube, and taking out the drainage tube when the trocar is withdrawn; finally, the drainage tube is fixed on the affected part of the patient by using a fixing device such as a glue paste.

However, the conventional drainage tube fixing mode usually has the risks that the fixation is unstable, the drainage tube is easy to loosen and slip, and the exposed end of the drainage tube is easy to collide with objects such as clothes, so that a suture needle at a wound is easy to damage, and the tearing easily causes secondary infection.

The above background disclosure is only for the purpose of aiding understanding of the inventive concepts and solutions of the present invention, and it is not necessary for them to belong to the prior art of this patent application, and it should not be used for evaluating the novelty and inventive step of this application in the case that there is no clear evidence that the above contents are disclosed at the filing date of this patent application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drainage tube, which overcomes the defects that the existing pleural cavity closed drainage tube is unstable in fixation, is easy to loosen and slip, is easy to cause secondary injury to wounds due to external force collision and is infected.

In order to achieve the above object, the present invention provides a pleural cavity closed drainage tube fixing device, comprising: the fixing base assembly comprises a glue paste, a through hole is formed in the glue paste, a soft rubber sleeve corresponding to the through hole is further arranged on the glue paste, a connecting screw sleeve is connected onto the soft rubber sleeve and provided with a connecting end, external threads are arranged on the outer wall of the connecting end, two or more openings are formed in the outer wall of the connecting end, a sleeve hole corresponding to the soft rubber sleeve penetrates through the connecting screw sleeve, and a first thrust surface is arranged in the sleeve hole; the fastening nut penetrates through the fastening nut and is provided with a nut through hole, an inner thread matched with the outer thread is arranged on the inner wall of the nut through hole, a pipe passing opening is formed in the side portion of the fastening nut so that the inner wall of the nut through hole can be communicated with the outer side of the fastening nut, and a second thrust surface is arranged on the inner wall of the nut through hole; the sealing sleeve is detachably sleeved in the sleeve hole and penetrates through the sealing sleeve to be provided with a sealing sleeve through hole, a sealing sleeve notch is formed in the side portion of the sealing sleeve to enable the inner wall of the sealing sleeve through hole to be communicated with the outer side of the sealing sleeve, two ends of the sealing sleeve are respectively abutted to the first thrust surface and the second thrust surface, and when two ends of the sealing sleeve are extruded, the inner side wall of the sealing sleeve through hole can be arched towards the axis direction.

Preferably, in the above technical scheme, an interlayer is arranged in the middle of the adhesive tape, and the top and bottom of the interlayer are penetrated through by the through hole.

Preferably, in the above technical scheme, one end of the soft rubber sleeve is provided with a fixing plate, the fixing plate is fixedly arranged in the interlayer, the other end of the soft rubber sleeve extends outwards from the top of the adhesive sticker, and the bottom of the adhesive sticker is provided with an adhesive surface.

Preferably, in the above technical scheme, one end of the connecting threaded sleeve, which is far away from the connecting end, is fixedly connected with the other end of the soft rubber sleeve, and a holding ring is arranged on the connecting threaded sleeve.

Preferably, in the above technical solution, an extrusion inclined plane is disposed between the inner wall of the nut through hole and the second thrust surface.

Preferably, in the above technical scheme, one end of the seal sleeve is sleeved in the sleeve hole and is abutted to the first thrust surface, two or more seal sleeve openings are formed in the outer wall of the seal sleeve, and one end of each seal sleeve opening extends outwards from one end of the seal sleeve and enables the seal sleeve through hole to be communicated with the outside of the seal sleeve.

Preferably, in the above technical scheme, the other end of the seal sleeve through hole, which is close to the seal sleeve, is provided with an annular sealing part, and the annular sealing part protrudes towards the axis direction of the seal sleeve through hole.

Preferably, in the above technical solution, the inner wall of the seal sleeve through hole is arched in the axial direction thereof.

Preferably, in the above technical scheme, the outer side wall of the sealing sleeve is provided with a groove recessed towards the axial direction thereof.

Preferably, in the above technical solution, the body of the sticker is made of a breathable material.

Compared with the prior art, the utility model has the following beneficial effects:

1. the pleural cavity closed drainage tube fixing device disclosed by the utility model has the advantages that the drainage tube is connected and fixed through the fixing seat assembly provided with the adhesive sticker and the soft rubber sleeve, a certain flexible buffering effect can be achieved when the drainage tube is impacted by external force, the sealing sleeve is extruded through the first thrust surface in the connecting screw sleeve and the second thrust surface in the fastening nut, the inner wall of the sleeve hole in the sealing sleeve is arched inwards, the inner diameter of the sleeve hole is contracted, the drainage tube can be clamped more firmly, the sealing effect can be enhanced, the drainage tube is effectively prevented from being pulled under the action of the external force, and secondary infection of a wound of a patient is prevented.

2. The test surface of the sealing sleeve is provided with a sealing sleeve notch, the sealing sleeve can be broken along the notch when the sealing sleeve is installed, and then the sealing sleeve is sleeved on the drainage tube from the side surface of the drainage tube and then installed, so that the sealing sleeve is more convenient to replace and the drainage tube is more convenient to adjust.

3. The side surface of the fastening nut is provided with the pipe passing opening, so that the sealing sleeve can be replaced or the guide pipe can be adjusted for the second time, and the guide pipe can be mounted from the side part of the guide pipe, so that the guide pipe is more convenient to mount and replace.

4. The connecting end of the connecting threaded sleeve is uniformly provided with a plurality of openings, and the side wall of the sealing sleeve is also uniformly provided with a plurality of sealing sleeve openings, so that the device can adapt to drainage tubes with different outer diameter sizes, and the adaptability of the device is stronger.

5. The end part of the seal sleeve through hole of the seal sleeve is provided with the annular sealing part, and the annular sealing part can play a role in sealing with the tube wall of the drainage tube, can effectively prevent the outflow of thoracic cavity liquid and is not influenced by the opening of the seal sleeve.

6. The inner side wall of the through hole of the sealing sleeve is arched along the axial direction, the outer side wall of the sealing sleeve is provided with a groove which is sunken along the axial direction, when two ends of the sealing sleeve are extruded, the material of the side wall of the sealing sleeve can contract into the through hole of the sealing sleeve, so that the effect of extruding and sealing the outer wall of the drainage tube can be achieved, and the overall sealing performance of the device is improved.

7. According to the utility model, the extrusion inclined plane is arranged between the inner wall of the nut through hole of the fastening nut and the second thrust surface, so that when the first thrust surface and the second thrust surface are mutually pressed, the material at the end part of the sealing sleeve is extruded towards the middle part of the sealing sleeve, and the material of the inner side wall of the sealing sleeve through hole can be ensured to be arched inwards.

8. The periphery of the connecting threaded sleeve is provided with the holding ring, so that the friction force can be enhanced when the fastening nut is screwed, the tightening action is easier to generate force, and the slip is prevented.

Drawings

Fig. 1 is an exploded view of the pleural cavity closed drainage tube fixing device of the present invention.

Fig. 2 is a structural view of a pleural cavity closed drainage tube fixing device.

Fig. 3 is a structural view of the sticker.

Fig. 4 is a structural view of the soft rubber sleeve and the connection screw sleeve.

Fig. 5 is a structural view of the fastening nut.

Fig. 6 is a structural view of the seal cartridge.

Description of the main reference numerals:

1-a fixed seat component, 11-an adhesive sticker, 12-a through hole, 13-a soft rubber sleeve, 131-a fixed plate, 14-a connecting screw sleeve, 141-a connecting end, 142-a holding ring, 15-an external thread, 16-an opening, 17-a trepanning, 18-a first thrust surface, 19-an interlayer and 110-an adhesive surface;

2-fastening nut, 21-nut through hole, 22-internal thread, 23-pipe opening, 24-second thrust surface and 25-extrusion inclined surface;

3-sealing sleeve, 31-sealing sleeve through hole, 32-sealing sleeve notch, 33-sealing sleeve opening, 34-annular sealing part and 35-groove.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it should be noted that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. The terms "first", "second" and "third", if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying relative importance or implying a number of indicated technical features or a precedence of indicated technical features.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

As shown in fig. 1 to 6, the pleural cavity closed drainage tube fixing device in this embodiment includes: the fixing seat assembly comprises a fixing seat assembly 1, a glue paste 11, a through hole 12, a soft glue sleeve 13, a fixing plate 131, a connecting screw sleeve 14, a connecting end 141, a holding ring 142, an external thread 15, an opening 16, a sleeve hole 17, a first thrust surface 18, an interlayer 19, a glue surface 110, a fastening nut 2, a nut through hole 21, an internal thread 22, a pipe passing opening 23, a second thrust surface 24, an extrusion inclined plane 25, a sealing sleeve 3, a sealing sleeve through hole 31, a sealing sleeve notch 32, a sealing sleeve opening 33, an annular sealing part 34 and a groove 35.

The fixed seat component 1 comprises a glue paste 11, a soft glue sleeve 13 and a connecting threaded sleeve 14; the adhesive sticker 11 comprises a top and a bottom which are opposite, the bottom of the adhesive sticker 11 is provided with an adhesive surface 110, and the adhesive sticker 11 is provided with a plurality of air holes with the diameter of 0.1-0.3mm for ventilation; the middle part of the adhesive sticker 11 is provided with an interlayer 19, and a through hole 12 is formed in the top bottom part penetrating through the interlayer 19; the soft rubber sleeve 13 is made of a silica gel material, one end of the soft rubber sleeve 13 is provided with a rectangular fixing plate 131, the fixing plate 131 is fixedly arranged in the interlayer 19 in a gluing or sewing mode, and the other end of the soft rubber sleeve 13 extends outwards from the through hole 12 at the top of the glue paste 11; the other end of the soft rubber sleeve 13 is fixedly connected with one end of the connecting screw sleeve 14, the other end of the connecting screw sleeve 14 is a connecting end 141, the outer wall of the connecting end 141 is provided with external threads 15 in a lathing mode and is also provided with six openings 16, a sleeve hole 17 corresponding to the soft rubber sleeve 13 penetrates through the connecting screw sleeve 14, the inner wall of the sleeve hole 17 is provided with a first thrust surface 18, the direction of the first thrust surface 18 faces the connecting end 141, the openings 16 are rectangular open grooves, one end of each opening extends outwards from the connecting end 141, and the sleeve hole 17 is communicated with the outside of the connecting screw sleeve 14 through the openings 16; a hexagonal grip ring 142 is provided at a location of the connection screw 14 remote from the connection end 141.

The fastening nut 2 is provided with a nut through hole 21, two ends of the fastening nut 2 are penetrated through the nut through hole 21, an internal thread 22 matched with the external thread 15 is lathed on the inner wall of the nut through hole 21, a pipe passing opening 23 is formed in the side portion of the fastening nut 2, the inner wall of the nut through hole 21 can be communicated with the outer side of the fastening nut 2 through the pipe passing opening 23, a second thrust surface 24 is arranged on the inner wall of the nut through hole 21, when the fastening nut 24 is installed on the connecting screw sleeve 14, the direction of the second thrust surface 24 is opposite to that of the first thrust surface 18, an extrusion inclined surface 25 is arranged between the inner wall of the nut through hole 21 and the second thrust surface 24, and an included angle of 30 degrees is formed between the extrusion inclined surface 25 and the axis of the fastening nut 2.

The sealing sleeve 3 is provided with a sealing sleeve through hole 31, the sealing sleeve through hole 31 penetrates through two ends of the sealing sleeve 3, a sealing sleeve notch 32 is formed in the side part of the sealing sleeve 3, and the sealing sleeve notch 32 can enable the inner wall of the sealing sleeve through hole 31 to be communicated with the outer side of the sealing sleeve 3; one end of the sealing sleeve 3 is sleeved in the sleeve hole 17 and abutted against the first thrust surface 18, four sealing sleeve openings 33 are uniformly formed in the outer wall of the sealing sleeve 3, and one end of each sealing sleeve opening 33 extends outwards from one end of the sealing sleeve 3 and enables the sealing sleeve through hole 31 to be communicated with the outside of the sealing sleeve 3; an annular sealing part 34 is arranged on the inner wall of the other end of the sealing sleeve through hole 31 close to the sealing sleeve 3, and the annular sealing part 34 is semicircular and protrudes towards the axial direction of the sealing sleeve through hole 31; the inner wall of the seal sleeve through hole 31 is arched in a circular arc shape towards the axis direction, the outer side wall of the seal sleeve 3 is provided with an annular groove 35 which is sunken towards the axis direction, and the cross section of the groove 35 is semicircular; when the sealing sleeve 3 is installed in the fixing device, the other end of the sealing sleeve 3 abuts against the second thrust surface 24, when the fastening nut 2 is continuously screwed with the connecting end 141 of the threaded adapter sleeve 14, the two ends of the sealing sleeve 3 are continuously extruded, and the inner side wall of the sealing sleeve through hole 31 can be continuously bent and deformed towards the axis thereof, so that the honeycomb duct is clamped.

Next, a detailed description is given to the operation method and the working principle of the pleural cavity closed drainage tube fixing device in this embodiment, so that those skilled in the art can understand the present invention more:

when in use, the fixing seat component 1 is firstly sleeved on the drainage tube as a whole, closed drainage operation of pleural cavity is carried out, after the operation, the mouth part of the drainage opening is sewed, and then the adhesive surface 110 of the adhesive sticker 11 is adhered on the skin of a patient; then, the sealing sleeve 3 is broken off from the sealing sleeve notch 32, the sealing sleeve 3 is sleeved on the drainage tube, and one end of the sealing sleeve 3 with the sealing sleeve opening 33 is inserted into the sleeve hole 17 of the connecting screw sleeve 14; finally, the draft tube is sleeved in the nut through hole 21 from the pipe opening 23 of the fastening nut 2, the extending length of the draft tube is adjusted, and the fastening nut 2 is fastened at the connecting end 141 of the connecting threaded sleeve 14.

With the tightening of the fastening nut 2, the first thrust surface 18 and the second thrust surface 24 can continuously extrude the two ends of the sealing sleeve 3, and due to the special structure of the side surface of the sealing sleeve 3, the material of the side wall of the sealing sleeve 3 can be accumulated in the axial direction of the sleeve hole 17, so that the clamping and the sealing effects on the side wall of the flow guide pipe can be realized; the soft rubber sleeve 13 can play a role of buffering when the honeycomb duct is impacted or scraped by the outside, so that the incision of the drainage tube of a patient is prevented from being torn, and secondary infection and injury to the patient are prevented.

In summary, the drainage tube is connected and fixed through the fixing seat assembly provided with the adhesive tape and the soft rubber sleeve, a certain flexible buffering effect can be achieved when the drainage tube is impacted by external force, the sealing sleeve is extruded through the first thrust surface in the connecting threaded sleeve and the second thrust surface in the fastening nut, the inner wall of the sleeve hole in the sealing sleeve is arched inwards, the inner diameter of the sleeve hole is contracted, the drainage tube can be clamped more firmly, the sealing effect can be enhanced, the drainage tube is effectively prevented from being pulled under the action of the external force, and secondary infection of wounds of patients is prevented.

The foregoing description of the specific exemplary embodiments of the utility model has been presented for the purposes of illustration and description and is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching, although examples of the utility model are shown and described, the present examples are intended to be illustrative of the utility model and are not intended to be limiting of the utility model, the particular features, structures, materials or characteristics described may be suitably combined in any one or more of the examples or illustrations, the exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application, to thereby enable others skilled in the art to make modifications as necessary to the practice of the utility model without departing from the principles and spirit of the utility model, Alternatives, modifications, and variations are possible but are within the scope of the appended claims.

Claims

1. A pleural cavity closed drainage tube fixing device, which comprises:

the fixing seat assembly (1) comprises a glue paste (11), a through hole (12) is formed in the glue paste (11), a soft rubber sleeve (13) corresponding to the through hole (12) is further arranged on the glue paste (11), a connecting screw sleeve (14) is connected to the soft rubber sleeve (13), a connecting end (141) is arranged on the connecting screw sleeve (14), an external thread (15) is arranged on the outer wall of the connecting end (141) and is provided with two or more openings (16), a sleeve hole (17) corresponding to the soft rubber sleeve (13) penetrates through the connecting screw sleeve (14), and a first thrust surface (18) is arranged in the sleeve hole (17);

the fastening nut (2) penetrates through the fastening nut (2) and is provided with a nut through hole (21), an inner thread (22) matched with the outer thread (15) is arranged on the inner wall of the nut through hole (21), a pipe passing opening (23) is formed in the side portion of the fastening nut (2) so that the inner wall of the nut through hole (21) can be communicated with the outer side of the fastening nut (2), and a second thrust surface (24) is arranged on the inner wall of the nut through hole (21);

seal cover (3), it overlaps with the detachable mode and establishes in trepanning (17), run through in seal cover (3) are equipped with seal cover through-hole (31), seal cover incision (32) in order to make have been seted up to the lateral part of seal cover (3) the inner wall of seal cover through-hole (31) with the outside of seal cover (3) is linked together, the both ends of seal cover (3) respectively with first thrust surface (18) with second thrust surface (24) looks butt, works as when the both ends of seal cover (3) are extruded, the inside wall of seal cover through-hole (31) can be arched to its axis direction.

2. The pleural cavity closed drainage tube fixing device according to claim 1, characterized in that an interlayer (19) is arranged in the middle of the sticker (11), and the through hole (12) penetrates through the top and bottom of the interlayer (19).

3. The pleural cavity closed drainage tube fixing device according to claim 2, wherein one end of the soft rubber sleeve (13) is provided with a fixing plate (131), the fixing plate (131) is fixedly arranged in the interlayer (19), the other end of the soft rubber sleeve (13) extends outwards from the top of the adhesive sticker (11), and the bottom of the adhesive sticker (11) is provided with an adhesive surface (110).

4. The pleural cavity closed drainage tube fixing device according to claim 3, characterized in that one end of the connecting screw sleeve (14) far away from the connecting end (141) is fixedly connected with the other end of the soft rubber sleeve (13) and is provided with a holding ring (142).

5. The pleural cavity closed drainage tube fixing device according to claim 1, characterized in that a pressing inclined surface (25) is arranged between the inner wall of the nut through hole (21) and the second thrust surface (24).

6. The pleural cavity closed drainage tube fixing device according to claim 5, wherein one end of the sealing sleeve (3) is sleeved in the sleeve hole (17) and is abutted against the first thrust surface (18), two or more sealing sleeve openings (33) are formed in the outer wall of the sealing sleeve (3), one end of each sealing sleeve opening (33) extends outwards from one end of the sealing sleeve (3) and enables the sealing sleeve through hole (31) to be communicated with the outside of the sealing sleeve (3).

7. The pleural cavity closed drainage tube fixing device according to claim 6, characterized in that the other end of the sealing sleeve through hole (31) close to the sealing sleeve (3) is provided with an annular sealing part (34), and the annular sealing part (34) protrudes towards the axial direction of the sealing sleeve through hole (31).

8. The pleural closed drainage tube fixture according to claim 7, characterized in that the inner wall of the gland cover through hole (31) is arched in the axial direction thereof.

9. The pleural cavity closed drainage tube fixing device according to claim 8, characterized in that the outer side wall of the sealing sleeve (3) is provided with a groove (35) that is concave to the axial direction thereof.

10. The pleural closed drainage tube fixing device according to claim 1, characterized in that the body of the sticker (11) is made of a breathable material.