Device for extracting serous cavity effusion

Abstract

According to the serous cavity effusion extraction device, a first connecting base is fixed to one side of a top cover of an effusion box, an air extraction pipe is installed on the first connecting base, a second connecting base is fixed to the other side of the top cover of the effusion box, an extraction pipe is installed on the second connecting base, and an extraction needle head is installed at the tail end of the extraction pipe; an inner cylinder is fixed to the outer side of the end of the suction pipe, the outer wall of the inner cylinder is attached to the inner wall of an outer cylinder, the outer side face of the outer cylinder is rotationally connected with the top of the inner side face of a supporting plate through a side shaft, a positioning suction cup is installed at the bottom end of the supporting plate, and a shifting plate is arranged at the top of one end of the outer wall of the inner cylinder. According to the serous cavity effusion extraction device, the novel structural design is adopted, the insertion angle can be conveniently and rapidly adjusted in a rotating mode, the suction pipe and the suction needle head can be stably and linearly pushed and stably locked, and abnormally accumulated liquid in the thoracic cavity or the abdominal cavity or the pericardial cavity is comprehensively sucked.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical equipment, in particular to a serous cavity effusion extraction device. BACKGROUND

[0002] The serous cavity effusion extraction device generally refers to a medical instrument set for performing thoracentesis, peritoneocentesis or pericardiocentesis in clinic, and the core purpose of the device is to safely and aseptically extract the abnormal accumulated liquid in the thoracic cavity, abdominal cavity or pericardial cavity of a patient for diagnosis or treatment.

[0003] The existing needle of the serous cavity effusion extraction device is manually pushed by a nurse, and the operation proficiency of a trainee nurse is insufficient, so that the nurse cannot stably push the needle and cannot smoothly adjust the penetration angle, and the abnormal accumulated liquid in the thoracic cavity, abdominal cavity or pericardial cavity cannot be fully extracted.

[0004] Therefore, there is a need for a serous cavity effusion extraction device to solve the above problems. SUMMARY

[0005] To solve the above technical problems, the technical solution adopted by the present application is:

[0006] A serous cavity effusion extraction device comprises an effusion box, a first connecting seat, an air extraction pipe, a second connecting seat and a suction pipe.

[0007] The first connecting seat is fixed on one side of the top cover of the effusion box, the air extraction pipe is installed on the first connecting seat, the second connecting seat is fixed on the other side of the top cover of the effusion box, and the suction pipe is installed on the second connecting seat; one end of the air extraction pipe is used to be connected with a suction device, and the other end is communicated with the inside of the effusion box; one end of the suction pipe is communicated with the inside of the effusion box, and the other end is connected with a suction needle; an inner cylinder is fixed on the outer side of the end of the suction pipe, the outer wall of the inner cylinder is attached to the inner wall of an outer cylinder and can slide relative to the inner wall; a locking structure is connected with the inner cylinder and the outer cylinder respectively, and is used to adjust the distance between the inner cylinder and the outer cylinder; a fixing structure is connected with the outer cylinder, and is used to fix the suction needle during use.

[0008] Preferably, the locking structure comprises a dial plate, a synchronous plate, a stabilizing sleeve plate and a locking bolt; one end of the outer wall of the inner cylinder is provided with the dial plate, one side of the dial plate is connected with the synchronous plate, one end of the synchronous plate penetrates through the center of the stabilizing sleeve plate, the stabilizing sleeve plate is fixed on the outer wall of the outer cylinder, and the locking bolt is threadedly installed on the top surface of the stabilizing sleeve plate; the axis of the synchronous plate is parallel to the axis of the inner cylinder.

[0009] Preferably, the fixing structure comprises a side shaft and a support plate; the outer side of the outer cylinder is rotatably connected with the top of the inner side of the support plate through the side shaft, and a positioning suction disc is installed at the bottom end of the support plate.

[0010] Further, the side view shape of the support plate is a "N" type, the front view width of the support plate is smaller than the diameter of the bottom end of the positioning suction cup, and the above structure design can stably support and position the inner cylinder and the outer cylinder.

[0011] Further, the side view width of the push plate is equal to the outer diameter of the inner cylinder, and the push plate is vertically distributed with the inner cylinder, and the above structure design enables nurses to conveniently operate the push plate to drive the linear displacement of the inner cylinder.

[0012] Further, the synchronization plate is parallel to the inner cylinder, the synchronization plate is slidingly connected with the stable sleeve plate, the end of the synchronization plate is provided in a "T" shape, and the synchronization plate is vertically distributed with the locking bolt.

[0013] Preferably, the fixing structure comprises a second cylinder and a second suction cup, the second suction cup comprises a ring-shaped disc body and a through hole arranged at the center of the ring-shaped disc body, the ring-shaped disc body is a recessed ring-shaped suction cup, one end of the second cylinder penetrates through the through hole of the second suction cup and is fixedly connected with the second suction cup, the inner wall of the other end of the second cylinder is fixedly connected with the outer wall of the outer cylinder, and the suction needle head is movably arranged through the second cylinder.

[0014] Further, the second cylinder is made of a hard material.

[0015] Further, the second cylinder is made of a medical plastic.

[0016] Due to the adoption of the above technical scheme, the present application has the following technical progress compared with the prior art:

[0017] The extraction device for serous cavity effusion adopts a novel structure design, can conveniently rotate and adjust the penetration angle, can stably linearly push the suction pipe and the suction needle head, and stably lock, and can comprehensively suck the abnormally accumulated liquid in the chest cavity, abdominal cavity or pericardial cavity.

[0018] 1. The inner cylinder and the outer cylinder are stably arranged on the skin at the puncture position through the positioning suction cup at the bottom of the support plate, the stability of the whole device is ensured, and the inner cylinder and the outer cylinder can be stably rotated and adjusted through the side shaft.

[0019] 2. The end of the suction pipe provided with the suction needle head is linearly displaced along the inner side of the outer cylinder by pushing the push plate, the stable pushing of the suction needle head is realized, the stable penetration of the suction needle head is ensured, the stability of the suction needle head during movement is improved through the structure design of the synchronization plate and the stable sleeve plate, the relative position of the inner cylinder and the outer cylinder can be fixed through the extrusion of the locking bolt on the synchronization plate, and the stability of the suction needle head during work is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from the structures shown in the drawings without any creative effort.

[0021] Figure 1 It is a front view structural schematic diagram of the present application.

[0022] Figure 2 It is a front view structural schematic diagram of the outer cylinder, the inner cylinder and the stabilizing sleeve plate of the present application.

[0023] Figure 3 It is a side view structural schematic diagram of the outer cylinder and the supporting plate of the present application.

[0024] Figure 4 It is a side view structural schematic diagram of the synchronous plate and the stabilizing sleeve plate of the present application.

[0025] Figure 5 It is another structural schematic diagram of the present application.

[0026] In the figure: 1, effusion box; 2, first connecting seat; 3, air extraction pipe; 4, second connecting seat; 5, suction pipe; 6, suction needle; 7, inner cylinder; 8, outer cylinder; 9, side shaft; 10, supporting plate; 11, positioning suction disc; 12, shifting plate; 13, synchronous plate; 14, stabilizing sleeve plate; 15, locking bolt; 101, second cylinder; 102, second suction disc.

[0027] The following specific embodiments will further illustrate the present application in combination with the above-mentioned drawings. DETAILED DESCRIPTION

[0028] For those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The terms "first", "second" and the like in the specification of the present application and the above drawings are used to distinguish different objects, not to describe a particular order. In addition, the terms "comprise" and "have" and any variations thereof, such as a process, method, system, product or device comprising a series of steps or units, are not limited to the listed steps or units, but optionally include steps or units not listed, or optionally include other steps or units inherent to the process, method, product or device.

[0029] Reference herein to "embodiment" means that the particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily independent or alternative embodiments to each other. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0030] Please refer to Figures 1-5 The embodiment of the present application provides a kind of extraction device of serous cavity effusion, including effusion box 1, first connecting seat 2, suction pipe 3, second connecting seat 4, suction pipe 5;

[0031] The first connecting seat 2 is fixed on the top cover of the effusion box 1, and the suction pipe 3 is installed on the first connecting seat 2;The second connecting seat 4 is fixed on the other side of the top cover of the effusion box 1, and the suction pipe 5 is installed on the second connecting seat 4;One end of the suction pipe 3 is connected with the suction device, and the other end is communicated with the inside of the effusion box 1;One end of the suction pipe 5 is communicated with the inside of the effusion box 1, and the other end is connected with the suction needle head 6;The inner cylinder 7 is fixed on the outer side of the end of the suction pipe 5, and the outer wall of the inner cylinder 7 is attached to the inner wall of the outer cylinder 8 and can slide relatively;Locking structure is connected with the inner cylinder 7 and the outer cylinder 8 respectively, for adjusting the distance between the inner cylinder 7 and the outer cylinder 8;The fixing structure is connected with the outer cylinder 8, and the fixing structure is used to fix the suction needle head 6 during use.

[0032] In an embodiment of the present application, the locking structure comprises the push plate 12, the synchronization plate 13, the stabilizing sleeve plate 14 and the locking bolt 15; the outer wall of the inner cylinder 7 is provided with the push plate 12 at one end, the push plate 12 is connected with the synchronization plate 13 at one side, the synchronization plate 13 penetrates through the center of the stabilizing sleeve plate 14 at one end, the stabilizing sleeve plate 14 is fixed on the outer wall of the outer cylinder 8, and the locking bolt 15 is threadedly installed on the top surface of the stabilizing sleeve plate 14; the synchronization plate 13 is parallel to the axis of the inner cylinder 7. The synchronization plate 13 can move relative to the outer cylinder 8 along the stabilizing sleeve plate 14, the locking bolt 15 is brought into contact with the synchronization plate 13 by rotating the locking bolt 15, so that the synchronization plate 13 can be locked, and the synchronization plate 13 is prevented from moving relative to the outer cylinder 8, thereby adjusting and locking the distance between the suction needle 6 and the outer cylinder 8.

[0033] In an embodiment of the present application, the fixing structure comprises the side shaft 9 and the support plate 10; the outer cylinder 8 is rotatably connected with the inner side of the top of the support plate 10 through the side shaft 9, and the bottom end of the support plate 10 is provided with the positioning suction disc 11. The outer cylinder 8 and the support plate 10 constitute a rotating mechanism through the side shaft 9.

[0034] Further, the side view of the support plate 10 is in the shape of a "N" character, and the front view width of the support plate 10 is smaller than the diameter of the bottom end of the positioning suction disc 11. The above structure can stably support and position the inner cylinder 7 and the outer cylinder 8.

[0035] Further, the side view width of the push plate 12 is equal to the outer diameter of the inner cylinder 7, and the push plate 12 is vertically distributed with the inner cylinder 7. The above structure design enables nurses to conveniently operate the push plate 12 to drive the linear displacement of the inner cylinder 7.

[0036] Further, the synchronization plate 13 is parallel to the inner cylinder 7, the synchronization plate 13 is slidably connected with the stabilizing sleeve plate 14, the end of the synchronization plate 13 is provided in the shape of a "T" character, and the synchronization plate 13 is vertically distributed with the locking bolt 15. The above structure design enables the push plate 12 to linearly move with the synchronization plate 13 and the inner cylinder 7, the synchronization plate 13 slides along the inner side of the stabilizing sleeve plate 14, the stability of the movement of the inner cylinder 7, the suction tube 5 and the suction needle 6 is ensured, and the locking bolt 15 can be fixed by extruding the synchronization plate 13 and the stabilizing sleeve plate 14, so as to lock the suction tube 5 and the suction needle 6.

[0037] Please refer to Figure 5 In an embodiment of the present application, the fixing structure comprises the second cylinder 101 and the second suction disc 102. The second suction disc 102 comprises a ring-shaped disc body and a through hole arranged at the center of the ring-shaped disc body. The ring-shaped disc body is a ring-shaped suction disc with a recessed center. One end of the second cylinder 101 penetrates through the through hole of the second suction disc 102 and is fixedly connected with the second suction disc 102. The inner wall of the other end of the second cylinder 101 is fixedly connected with the outer wall of the outer cylinder 8, and the suction needle 6 movably penetrates through the second cylinder 101.

[0038] Further, the inner cylinder 7 and the outer cylinder 8 are made of hard medical material.

[0039] Further, the second cylinder 101 is made of hard material, when the second suction cup 102 is adsorbed on the human body, the human body is punctured by moving the suction needle 6 relative to the second suction cup 102, one end of the second cylinder 101 is in contact with the skin of the human body, and is used for supporting the suction needle 6; it is suitable for operation when the patient lies flat, and the suction needle 6 and the second cylinder 101 are perpendicular to the surface of the skin of the patient. When in use, the inner cylinder 7 moves relative to the second cylinder 101.

[0040] Working principle: the effusion box 1, the first connecting seat 2, the suction pipe 3, the second connecting seat 4, the suction pipe 5 and the external suction mechanism connected by the suction pipe 3 are the same as the existing serous cavity effusion extraction device, which is a mature technology known to those skilled in the art, and will not be described in detail here.

[0041] When operating, after disinfecting and localizing the puncture site, the positioning suction cup 11 is attached to the skin near the puncture site, the outer cylinder 8 is rotated around the side shaft 9 as the center, the inclination angle of the inner cylinder 7, the suction pipe 5 and the suction needle 6 is adjusted, and when the angle is appropriate, one hand holds the outer cylinder 8 stationary, the other hand pushes the push plate 12, the push plate 12 drives the inner cylinder 7, the suction pipe 5 and the suction needle 6 to move linearly and stab into the skin stably, the push plate 12 also drives the synchronous plate 13 to slide along the inner side of the stable sleeve plate 14, until the stab depth of the suction needle 6 is sufficient, stop pushing the push plate 12, rotate the locking bolt 15 to press the synchronous plate 13 and the stable sleeve plate 14 to fit and fix, the position of the inner cylinder 7, the suction pipe 5 and the suction needle 6 is fixed, and then the external suction mechanism connected by the suction pipe 3 is started to extract effusion, which is the working principle of the serous cavity effusion extraction device.

[0042] The above has made a detailed description of the present application in general, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the protection scope of the present application.

Claims

1. A device for extracting fluid from a serous cavity, characterized in that: It includes a liquid accumulation box, a first connecting seat, an air extraction pipe, a second connecting seat, and an extraction pipe; On one side of the top cover of the liquid accumulation box, a first connecting seat is fixed. An air extraction pipe is installed on the first connecting seat. On the other side of the top cover of the liquid accumulation box, a second connecting seat is fixed. An extraction pipe is installed on the second connecting seat. One end of the air extraction pipe is used to connect with a suction device, and the other end is communicated with the inside of the liquid accumulation box. One end of the extraction pipe is communicated with the inside of the liquid accumulation box, and the other end is connected with a suction needle. An inner cylinder is fixed on the outer side of the end of the extraction pipe. The outer wall of the inner cylinder fits with the inner wall of the outer cylinder and can slide relatively. The locking structure is respectively connected with the inner cylinder and the outer cylinder and is used to adjust the distance between the inner cylinder and the outer cylinder. The fixing structure is connected with the outer cylinder and is used to fix the suction needle during the use of the suction needle.

2. The device for extracting serous cavity effusion according to claim 1, characterized in that: The locking structure includes a dial plate, a synchronous plate, a stable sleeve plate, and a locking bolt. At one end of the outer wall of the inner cylinder, a dial plate is arranged. One side of the dial plate is connected with the synchronous plate. One end of the synchronous plate penetrates through the center of the stable sleeve plate. The stable sleeve plate is fixed on the outer wall of the outer cylinder. A locking bolt is installed on the top surface of the stable sleeve plate by thread. The synchronous plate is parallel to the axis of the inner cylinder.

3. The device for extracting serous cavity effusion according to claim 1, characterized in that: The fixing structure includes a side shaft and a support plate. The outer side of the outer cylinder is rotatably connected with the top of the inner side of the support plate through the side shaft. A positioning suction cup is installed at the bottom end of the support plate.

4. The device for extracting serous cavity effusion according to claim 3, characterized in that: The side view shape of the support plate is "U" shaped. The front view width of the support plate is smaller than the diameter of the bottom end of the positioning suction cup. The above structural design can stably support and position the inner cylinder and the outer cylinder.

5. The device for extracting serous cavity effusion according to claim 2, characterized in that: The side view width of the dial plate is equal to the outer diameter of the inner cylinder. The dial plate and the inner cylinder are vertically distributed. The above structural design enables nurses to conveniently operate the dial plate and drive the inner cylinder to linearly displace.

6. The device for extracting serous cavity effusion according to claim 2, characterized in that: The synchronous plate and the inner cylinder are parallelly distributed. The synchronous plate and the stable sleeve plate are slidably connected. The end of the synchronous plate is set as "T" shaped. The synchronous plate and the locking bolt are vertically distributed.

7. The device for extracting serous cavity effusion according to claim 1, characterized in that: The fixing structure includes a second cylinder and a second suction cup. The second suction cup includes an annular disk body and a through hole arranged at the center of the annular disk body.The annular disk body is a ring-shaped suction cup with a middle depression. One end of the second cylinder penetrates through the through hole of the second suction cup and is fixedly connected with the second suction cup. The inner wall of the other end of the second cylinder is fixedly connected with the outer wall of the outer cylinder, and the suction needle movably passes through the second cylinder.

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