CN115886953A

CN115886953A - Pleural effusion drainage puncture device

Info

Publication number: CN115886953A
Application number: CN202211664677.6A
Authority: CN
Inventors: 钟林君; 刘芯池; 何赟莉
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-04

Abstract

The invention provides a pleural effusion drainage puncture device, which belongs to the technical field of medical instruments and comprises a drainage cylinder, a puncture needle head communicated with one end of the drainage cylinder, a negative pressure adsorption mechanism for driving the drainage cylinder to form negative pressure and extract pleural effusion, a ball body, a hinged ball seat, a fixing ring, an annular vacuum sucker and a fixing rod, wherein the drainage cylinder is arranged on the ball body in a sliding and penetrating manner, the hinged ball seat is rotatably sleeved on the ball body, the fixing ring and the hinged ball seat are arranged at intervals, the diameter of the fixing ring is larger than that of the hinged ball seat, the annular vacuum sucker is fixedly arranged on one side, away from the hinged ball seat, of the fixing ring and is used for being attracted with skin, a plurality of fixing rods are uniformly distributed between the fixing ring and the hinged ball seat, one end of the fixing rod is fixedly connected to the hinged ball seat, and the other end of the fixing rod is fixedly connected to the fixing ring. The drainage tube can improve the stability of the drainage tube when extracting pleural effusion and is convenient for medical staff to operate.

Description

Pleural effusion drainage puncture device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a pleural effusion drainage puncture device.

Background

The pleural cavity is a potential cavity space between the lung and the chest wall, a thin layer of liquid is present on visceral pleura and parietal pleura under normal conditions, the visceral pleura and parietal pleura play a lubricating role in respiratory movement, the pleural cavity and the liquid therein are not in a static state, the shape and the pressure of the pleural cavity are greatly changed in each respiratory cycle, the liquid in the pleural cavity is continuously filtered and absorbed and is in dynamic balance, and various factors cause the liquid in the pleural cavity to be excessively quickly formed or excessively slowly absorbed, namely pleural effusion is generated. At present, when a pleural effusion patient is subjected to effusion extraction, the drainage cylinder is a common medical instrument and has the characteristics of simple operation, small volume and low price.

The extraction pleural effusion belongs to comparatively meticulous, professional and the longer action of extraction time, but medical personnel when handheld drainage section of thick bamboo promotes the piston rod, and the hand often can shake owing to the physical characteristics of the nature of health, and the syringe needle of drainage section of thick bamboo front end also can follow and rock even slide to it is painful to increase the patient.

Disclosure of Invention

The invention aims to provide a pleural effusion drainage puncture device which can improve the stability of a drainage cylinder and facilitate the operation of medical staff when pleural effusion is extracted, thereby reducing the pain of a patient.

The embodiment of the invention is realized by the following technical scheme: the utility model provides a pleural effusion drainage piercing depth, includes a drainage section of thick bamboo, communicates the setting at the puncture syringe needle of a drainage section of thick bamboo one end and is used for driving the negative pressure adsorption device who forms the negative pressure and extract the pleural effusion in a drainage section of thick bamboo, still includes spheroid, articulated ball seat, solid fixed ring, annular vacuum chuck and dead lever, a drainage section of thick bamboo slides and wears to establish on the spheroid, articulated ball seat rotates the cover and establishes on the spheroid, solid fixed ring is the interval setting with articulated ball seat, solid fixed ring's diameter is greater than the diameter of articulated ball seat, annular vacuum chuck is fixed to be set up one side of keeping away from articulated ball seat at solid fixed ring and be used for with the skin actuation, the dead lever is provided with many and evenly distributed between solid fixed ring and articulated ball seat, the one end fixed connection of dead lever is on articulated ball seat, the other end and solid fixed ring fixed connection.

Furthermore, the lateral wall of a drainage tube is fixedly provided with a limiting strip along the length direction, a limiting groove matched with the limiting strip is formed in the ball body, and the limiting strip is connected in the limiting groove in a sliding manner.

Furthermore, a damping rubber ring is arranged between the ball body and the hinged ball seat, and the damping rubber ring is coaxially and fixedly arranged on the inner wall of the hinged ball seat and is abutted against the ball body.

Further, the fixing rod is arranged to be a bendable gooseneck.

Furthermore, a holding handle is further arranged on the hinged ball seat and fixedly arranged on the hinged ball seat along the radial direction of the hinged ball seat.

Furthermore, one end of the drainage tube close to the puncture needle head is fixedly provided with a limit ring.

Further, negative pressure adsorption apparatus constructs including piston head, first rack, second rack, gear, pressing end and handheld piece, the piston head slide set up in the drainage tube and with the inner wall butt of drainage tube, first rack and piston head fixed connection just are located the piston head and keep away from one side of puncture syringe needle, the one end of second rack slides and wears out the drainage tube and outer and with the mutual parallel arrangement of first rack, the gear revolve sets up in the drainage tube, first rack and second rack all mesh with the gear mutually, press the fixed one end that wears out the drainage tube at the second rack that sets up of end, the fixed one end of keeping away from the puncture syringe needle at the drainage tube that sets up of handheld piece.

The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:

1. according to the invention, the annular vacuum sucker is arranged and is sucked on the skin of a human body, so that the support and fixation of the drainage tube can be realized, and the effect of stabilizing the drainage tube can be realized; and set up the dead lever into the gooseneck of can buckling, medical personnel alright according to the angle of human skin, buckle many dead levers for the position of annular vacuum chuck actuation at skin for convenience of medical personnel puncture operation.

2. According to the invention, by arranging the negative pressure adsorption mechanism, when effusion in the thoracic cavity of a patient needs to be extracted, after a puncture needle head is punctured into the thoracic cavity, a medical worker clamps the index finger and the middle finger on the handheld piece, presses the pressing end head through the thumb to drive the second rack to move close to one side of the puncture needle head, and simultaneously drives the gear to rotate to drive the first rack to move away from one side of the puncture needle head, the piston head can move along with the first rack to form negative pressure in the drainage tube, so that the effusion in the thoracic cavity is extracted, the traditional mode that one hand pulls the piston and the other hand needs the drainage tube is changed, the operation mode not only easily causes the drainage tube to shake, but also does not need to hold one hand to apply force, and the negative pressure adsorption mechanism can be operated by one hand better, and simultaneously keeps the stability of the drainage tube.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic overall structure diagram of a pleural effusion drainage puncture device provided by the invention;

FIG. 2 is a schematic view of the ball, the hinged ball seat and the retaining ring of the present invention;

FIG. 3 is a schematic structural view of a negative pressure adsorption mechanism provided by the present invention in a drainage tube;

an icon: 1-a drainage tube, 11-a puncture needle head, 12-a limiting strip, 13-a limiting ring, 2-a negative pressure adsorption mechanism, 21-a piston head, 22-a first rack, 23-a second rack, 24-a gear, 241-a rotating rod, 25-a pressing end, 26-a handheld piece, 3-a sphere, 31-a hinged ball seat, 311-a holding handle, 32-a limiting groove, 4-a fixing ring, 41-an annular vacuum sucker, 42-a fixing rod and 5-a damping rubber ring.

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.

Example 1

The invention is further explained by combining with the specific embodiment, and referring to fig. 1-3, the invention is a pleural effusion drainage puncturing device, which comprises a drainage tube 1 made of transparent material, a puncture needle 11 communicated with one end of the drainage tube 1, and a negative pressure adsorption mechanism 2 for driving the drainage tube 1 to form negative pressure and extract pleural effusion, wherein the outer wall of the drainage tube 1 is provided with scale marks so as to facilitate medical staff to observe the amount of the effusion sucked in the drainage tube 1, the pleural effusion drainage puncturing device further comprises a sphere 3, a hinged ball seat 31, a fixing ring 4, an annular vacuum chuck 41 and a fixing rod 42, the cross section of the drainage tube 1 is circular and is penetrated on the sphere 3 in a sliding manner, a limiting strip 12 is integrally formed on the side wall of the drainage tube 1 along the length direction of the side wall, the cross section of the limiting strip 12 is square, a limiting groove 32 matched with the limiting strip 12 is formed on the sphere 3, and the limiting strip is connected in the limiting groove in a sliding manner, so as to limit the displacement track of the drainage tube 1.

Referring to fig. 1 and 2, a spherical cavity is formed in the hinged ball seat 31 and is rotatably sleeved on the ball body 3, a damping rubber ring 5 is arranged between the ball body 3 and the hinged ball seat 31, the damping rubber ring 5 is coaxially and fixedly arranged on the inner wall of the hinged ball seat 31 and abutted against the ball body 3, a holding handle 311 is further arranged on the hinged ball seat 31, the holding handle 311 is welded on the hinged ball seat 31 along the radial direction of the hinged ball seat 31, so that medical personnel can hold the holding handle 311 conveniently, and the stability of the hinged ball seat 31 is maintained.

Referring to fig. 2, one end integrated into one piece that drainage tube 1 is close to puncture needle 11 has spacing ring 13, the cross-section of spacing ring 13 is circular, in order to prevent spheroid 3 from sliding and droing on drainage tube 1, and solid fixed ring 4 is the interval setting with articulated ball seat 31, and solid fixed ring 4's diameter is greater than the diameter of articulated ball seat 31, annular vacuum chuck 41 uses the fixed bonding of powerful glue to be in solid fixed ring 4 one side of keeping away from articulated ball seat 31 and be used for with the skin actuation, in other implementations, annular vacuum chuck 41 can be through the small-size vacuum pump to annular vacuum chuck 41 extraction vacuum, alright more stable actuation is on patient's skin like this.

Many dead levers 42 use solid fixed ring 4's axis to evenly install four and evenly distributed between solid fixed ring 4 and articulated ball seat 31 as central line circumference, in this implementation, dead lever 42 chooses for use the gooseneck of can buckling to make and forms, the one end fixed connection of the gooseneck of can buckling is on articulated ball seat 31, the other end and solid fixed ring 4 fixed connection, through buckling dead lever 42 and can change puncture needle 11's moving direction for appointed state, thereby improve overall structure's adaptability, the gooseneck of can buckling in this embodiment adopts metal material to make, resume in order to guarantee that the gooseneck of can buckling does not bounce back.

Referring to fig. 1 and fig. 3, the negative pressure adsorption mechanism 2 includes a piston head 21, a first rack 22, a second rack 23, a gear 24, a pressing end 25 and a handheld piece 26, the piston head 21 is slidably mounted in the drainage tube 1 and is abutted to the inner wall of the drainage tube 1, the first rack 22 is fixedly connected to the piston head 21 and is located on one side of the piston head 21 away from the puncture needle 11, one end of the second rack 23 slidably penetrates through the drainage tube 1 and is arranged in parallel with the first rack 22, the gear 24 is rotatably mounted on a rotating rod 241 in the drainage tube 1, two ends of the rotating rod 241 are fixedly connected to the inner wall of the drainage tube 1, the first rack 22 and the second rack 23 are both meshed with the gear 24, the pressing end 25 is welded at one end of the second rack 23 penetrating through the drainage tube 1, and the handheld piece 26 is integrally formed at one end of the drainage tube 1 away from the puncture needle 11, so that medical staff can conveniently hold the puncture needle with a forefinger and a middle finger. Through the arrangement, the traditional mode that one hand pulls the piston and the other hand needs to hold the drainage tube is changed, and the traditional operation mode not only easily causes the drainage tube to shake but also brings inconvenience to one hand for operation. And the suction mode of this embodiment can one-hand operation, and has reduced the rocking of drainage tube to a certain extent.

The working process of the embodiment is as follows: when the effusion in the thoracic cavity of the patient needs to be extracted, after the puncture needle head 11 is punctured into the thoracic cavity, the medical staff clamps the index finger and the middle finger on the handheld piece 26, and presses the pressing end 25 through the thumb, so that the second rack 23 can be driven to move close to one side of the puncture needle head 11, and simultaneously the gear 24 is driven to rotate so as to drive the first rack 22 to move towards one side away from the puncture needle head 11, at this time, the piston head 21 can move along with the first rack 22 and form negative pressure in the drainage tube 1, so as to extract the effusion in the thoracic cavity, before the puncture needle head 11 is punctured into the thoracic cavity, firstly, the annular vacuum sucker 41 is sucked on the skin of the human body, so that the support fixation of the drainage tube 1 can be realized, and the effect of stabilizing the drainage tube 1 is realized, meanwhile, the medical staff can drive the sphere 3 to rotate in the hinged ball seat 31 by rotating the drainage tube 1, when the drainage tube 1 is stopped, the damping rubber ring 5 can play a role of fixing the drainage tube 1, so that the puncture needle head 11 can be punctured into the thoracic cavity with a proper inclination angle, and the effect of reducing the pain of the drainage tube 1 and the puncture needle head 11 is convenient for the operation of the patient, thereby reducing the operation of the medical staff.

The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pleural effusion drainage piercing depth, sets up puncture needle (11) and be used for driving negative pressure adsorption apparatus (2) that form negative pressure and extract pleural effusion in drainage tube (1) one end at drainage tube (1) including drainage tube (1), intercommunication, its characterized in that: still include spheroid (3), articulated ball seat (31), solid fixed ring (4), annular vacuum chuck (41) and dead lever (42), drainage tube (1) slides and wears to establish on spheroid (3), articulated ball seat (31) rotate the cover and establish on spheroid (3), solid fixed ring (4) are the interval setting with articulated ball seat (31), the diameter of solid fixed ring (4) is greater than the diameter of articulated ball seat (31), annular vacuum chuck (41) are fixed to be set up and are kept away from one side of articulated ball seat (31) at solid fixed ring (4) and be used for with the skin actuation, dead lever (42) are provided with between many and evenly distributed solid fixed ring (4) and articulated ball seat (31), the one end fixed connection of dead lever (42) is on articulated ball seat (31), the other end and solid fixed ring (4) fixed connection.

2. The pleural effusion drainage puncture device of claim 1, wherein: the lateral wall of a drainage tube (1) is fixedly provided with a limiting strip (12) along the length direction, a limiting groove (32) matched with the limiting strip (12) is formed in the ball body (3), and the limiting strip (12) is connected in the limiting groove (32) in a sliding mode.

3. The pleural effusion drainage puncture device of claim 2, wherein: a damping rubber ring (5) is arranged between the ball body (3) and the hinged ball seat (31), and the damping rubber ring (5) is coaxially and fixedly arranged on the inner wall of the hinged ball seat (31) and is abutted against the ball body (3).

4. The pleural effusion drainage puncture device of claim 1, wherein: the fixing rod (42) is arranged to be a bendable gooseneck.

5. The pleural effusion drainage puncture device of claim 1, wherein: the hinged ball seat (31) is provided with a holding handle (311), and the holding handle (311) is fixedly arranged on the hinged ball seat (31) along the radial direction of the hinged ball seat (31).

6. The pleural effusion drainage puncture device of claim 5, wherein: and a limiting ring (13) is fixedly arranged at one end of the drainage tube (1) close to the puncture needle head (11).

7. The pleural effusion drainage puncture device of claim 1, wherein: negative pressure adsorption apparatus constructs (2) including piston head (21), first rack (22), second rack (23), gear (24), press end (25) and handheld piece (26), piston head (21) slide and set up in drainage tube (1) and with the inner wall butt of drainage tube (1), first rack (22) and piston head (21) fixed connection just are located one side that puncture syringe needle (11) were kept away from in piston head (21), the one end of second rack (23) slides and wears out drainage tube (1) outer and with first rack (22) parallel arrangement each other, gear (24) rotate and set up in drainage tube (1), first rack (22) and second rack (23) all mesh with gear (24), press end (25) fixed the setting and wear out the one end of drainage tube (1) in second rack (23), handheld piece (26) fixed setting is kept away from the one end of puncture syringe needle (11) in drainage tube (1).