CN211187655U

CN211187655U - Chest prosthesis implanting device

Info

Publication number: CN211187655U
Application number: CN201921649559.1U
Authority: CN
Inventors: 杜洪涛
Original assignee: Changsha Yahan Medical Cosemtic Hospital Co ltd
Current assignee: Changsha Yahan Medical Cosemtic Hospital Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-07
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a thoracic prosthesis implanting device, belonging to the technical field of medical apparatus, which comprises an injection tube and a piston assembly, wherein the injection tube comprises an injection cavity and an air channel enclosed on the circumferential surface of the injection cavity; one end of the injection cavity is an open end, the other end of the injection cavity is a closed end, a thoracic prosthesis is placed in the injection cavity, and the piston assembly is used for pushing the thoracic prosthesis so that the thoracic prosthesis penetrates through the open end of the injection cavity and enters a quasi-filling position; both ends of the air channel are communicated with the outside, so that the problem that air is retained in the cavity of the channel due to the fact that part of air is compressed into the cavity in the process of feeding the thoracic prosthesis is solved.

Description

Chest prosthesis implanting device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to chest prosthesis implanting device.

Background

The application of prosthesis implantation breast augmentation, which began in the 60's of the 20 th century, was a method of breast augmentation by implanting a silicone gel or saline prosthesis under the mammary gland or pectoralis major muscle through a concealed surgical incision. The method has been clinically applied for decades and is recognized as the first choice for breast augmentation by the international plastic world.

Chinese patent with publication number CN206560483U and publication date of 2017, 10 and 17 discloses a breast augmentation implanter, which comprises a cylinder, a piston assembly and an inner rod.

Although the existing breast augmentation implanter can push the breast prosthesis into the position to be filled, part of air is compressed into the cavity during the feeding process of the breast prosthesis, so that air is retained in the cavity of the channel, and the pushing of the piston rod is influenced. In addition, when the thoracic prosthesis is put in, the piston assembly needs to be pushed outwards to separate the piston assembly from the inner cylinder, and then the thoracic prosthesis needs to be put back into the inner cylinder again, so that the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a chest false body implantation device, it has solved chest false body and has sent into the in-process, has partial air compression to the lacuna in, causes the problem that the passageway lacuna is interior to be stayed with the air.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a thoracic prosthesis implanter includes a syringe and a piston assembly, wherein the syringe includes an injection cavity and an air channel enclosed on the circumferential surface of the injection cavity;

one end of the injection cavity is an open end, the other end of the injection cavity is a closed end, a thoracic prosthesis is placed in the injection cavity, and the piston assembly is used for pushing the thoracic prosthesis so that the thoracic prosthesis penetrates through the open end of the injection cavity and enters a quasi-filling position;

both ends of the air channel are communicated with the outside.

By adopting the structure, when the piston assembly extrudes the thoracic prosthesis outwards, the thoracic prosthesis and the air are compressed into the channel lacuna together, the extruded thoracic prosthesis enters the position to be filled with the thoracic prosthesis along the channel lacuna, and the extruded compressed air is slowly released outwards through the air channel, so that the air retention is reduced, the internal and external pressures of the channel lacuna are balanced, and the thoracic prosthesis is conveniently and accurately sent into the position to be filled with the thoracic prosthesis.

The method is further optimized as follows: also comprises a thoracic prosthesis inlet and an end cap;

the thoracic prosthesis inlet is positioned on the circumferential surface of the injection cylinder, one end of the thoracic prosthesis inlet is movably connected with the end cover, and the other end of the thoracic prosthesis inlet penetrates through the air channel and is communicated with the injection cavity.

By adopting the structure, when in use, the end cover can be opened firstly, the thoracic prosthesis is put into the injection cavity through the thoracic prosthesis inlet, then the end cover is covered, the thoracic prosthesis is convenient to put into the injection cavity, the implanter does not need to be disassembled, the piston assembly is pulled out, and the use is simpler.

The method is further optimized as follows: the end cover is in threaded connection with the inlet of the thoracic prosthesis.

By adopting the structure, the dismounting is more convenient and the use is simpler.

The method is further optimized as follows: the piston assembly comprises a piston rod, a piston head and a fixed block;

the piston head is positioned in the injection cavity, one end of the piston rod is fixed with the middle of the piston head, and the other end of the piston rod penetrates through the closed end of the injection cavity and is fixed with the fixed block.

By adopting the structure, when in use, the opening end of the injection tube is extended into the underarm incision, and the fixed block is pressed, so that the piston head slides in the cylinder section, and the thoracic prosthesis is sent to the position to be filled.

The method is further optimized as follows: the injection tube is characterized by further comprising a connecting plate, the connecting plate is fixed on the circumferential surface of the closed end of the injection tube, a through hole is formed in the connecting plate, one end of the air channel is arranged in an open mode, and the other end of the air channel is communicated with the outside through the through hole.

By adopting the structure, the fixing block can be conveniently pressed by virtue of force, and the air channel is conveniently communicated with the outside.

The method is further optimized as follows: the injection cavity sequentially comprises a cylinder section, a necking section and a flaring section;

the piston head moves in the cylindrical section, and the necking section is close to the opening end of the injection cavity and is in smooth transition with the cylindrical section and the flaring section respectively;

the flaring section is located the injection chamber open end and is loudspeaker shape outwards.

By adopting the structure, the necking section can generate certain resistance to the thoracic prosthesis, thereby facilitating better force storage and release. The arrangement of the flaring section is beneficial to the extrusion of the thoracic prosthesis.

To sum up, the utility model discloses following beneficial effect has: when the injection tube is used, the end cover is opened, the thoracic prosthesis is placed into the cylindrical section of the injection cavity through the thoracic prosthesis inlet, then the end cover is covered, the opening end of the injection tube extends into the underarm incision, the fixed block is pressed, the piston head slides in the cylindrical section, and therefore the thoracic prosthesis is sent to the position to be filled. When the piston head slides in the cylinder section, the thoracic prosthesis and air are compressed into the channel lacuna together, the extruded thoracic prosthesis enters the position to be filled with the thoracic prosthesis along the channel lacuna, and the extruded compressed air is slowly released outwards through the air channel to prevent air from being detained, so that the internal and external pressures of the channel lacuna are balanced, and the thoracic prosthesis is conveniently and accurately sent to the position to be filled with the thoracic prosthesis.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of an implanter;

fig. 2 is a schematic cross-sectional view of an embodiment, which is mainly used for embodying the internal structure of the implanter.

In the figure, 1, an injection cylinder; 101. an injection cavity; 102. an air passage; 2. a connecting plate; 3. a piston assembly; 31. a piston rod; 32. a piston head; 33. a fixed block; 4. an end cap; 5. an inlet of a thoracic prosthesis; 6. a through hole; 7. a cylinder section; 8. a necking section; 9. a flared section.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a thoracic prosthesis implanter, as shown in figures 1 and 2, comprises a syringe barrel 1, a connecting plate 2, a thoracic prosthesis inlet 5, an end cap 4 and a piston assembly 3. The syringe 1 comprises an injection cavity 101 and an air channel 102 surrounding the circumferential surface of the injection cavity 101, one end of the injection cavity 101 is an open end, the other end is a closed end, and a thoracic prosthesis is placed in the injection cavity 101.

With reference to fig. 1 and 2, the piston assembly 3 is used to push the thoracic prosthesis so that it passes through the open end of the injection chamber 101 and into the position in which the thoracic prosthesis is to be filled. The piston assembly 3 includes a piston rod 31, a piston head 32, and a fixed block 33. The piston head 32 is positioned in the injection cavity 101, and one end of the piston rod 31 is fixed with the middle of the piston head 32, and the other end passes through the closed end of the injection cavity 101 and is fixed with the fixed block 33. The central axis of the piston rod 31 is in the same straight line with the central axis of the syringe 1. The injection cavity 101 comprises a cylinder section 7, a reducing section 8 and a flaring section 9 in sequence, and the length of the piston rod 31 is not less than that of the cylinder section 7. The piston head 32 moves in the cylinder section 7, and the peripheral side wall of the piston head 32 is tightly attached to the inner surface of the cylinder section 7. The reducing section 8 is close to the opening end of the injection cavity 101 and is in smooth transition with the cylindrical section 7 and the flaring section 9 respectively, and the flaring section 9 is located at the opening end of the injection cavity 101 and is flared outwards.

Referring to fig. 1 and 2, both ends of the air passage 102 communicate with the outside. Connecting plate 2 is fixed on the circumference surface of 1 blind end of injection tube, has seted up through-hole 6 on connecting plate 2, and through-hole 6 is provided with two, and two through-holes 6 are located 1 relative both sides of injection tube respectively. One end of the air channel 102 is open and flush with the end face of the open end of the injection cavity 101, and the other end is communicated with the outside through the through hole 6. The thoracic prosthesis inlet 5 is located on the circumferential surface of the syringe barrel 1, and one end of the thoracic prosthesis inlet 5 is threadedly coupled to the end cap 4 while the other end thereof passes through the air passage 102 and communicates with the injection chamber 101. The thoracic prosthesis enters the cylindrical section 7 of the injection chamber 101 through the thoracic prosthesis inlet 5.

In use, the end cap 4 is opened, the thoracic prosthesis is placed into the cylindrical section 7 of the injection chamber 101 through the thoracic prosthesis inlet 5, the end cap 4 is then closed, the open end of the syringe 1 is inserted into the underarm incision, and the fixing block 33 is pressed to slide the piston head 32 within the cylindrical section 7, thereby delivering the thoracic prosthesis to the site to be filled. When piston head 32 slides within cylindrical section 7, the thoracic prosthesis and air will be compressed together into the passage compartment, the extruded thoracic prosthesis will follow the passage compartment into the position where the thoracic prosthesis is to be filled, and the extruded compressed air will be slowly released outwardly through air passage 102 to prevent air entrapment.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A thoracic prosthesis implanter comprising a syringe (1) and a piston assembly (3), characterized in that: the syringe (1) comprises an injection cavity (101) and an air channel (102) enclosed on the circumferential surface of the injection cavity (101);

one end of the injection cavity (101) is an open end, the other end of the injection cavity is a closed end, a thoracic prosthesis is placed in the injection cavity (101), and the piston assembly (3) is used for pushing the thoracic prosthesis so that the thoracic prosthesis passes through the open end of the injection cavity (101) and enters a quasi-filling position;

both ends of the air channel (102) are communicated with the outside.

2. The thoracic prosthesis implanter of claim 1, wherein: also comprises a thoracic prosthesis inlet (5) and an end cover (4);

the thoracic prosthesis inlet (5) is positioned on the circumferential surface of the injection cylinder (1), one end of the thoracic prosthesis inlet (5) is movably connected with the end cover (4), and the other end of the thoracic prosthesis inlet passes through the air channel (102) and is communicated with the injection cavity (101).

3. The thoracic prosthesis implanter of claim 2, wherein: the end cover (4) is in threaded connection with the thoracic prosthesis inlet (5).

4. The thoracic prosthesis implanter of claim 1, wherein: the piston assembly (3) comprises a piston rod (31), a piston head (32) and a fixed block (33);

the piston head (32) is positioned in the injection cavity (101), one end of the piston rod (31) is fixed with the middle of the piston head (32), and the other end of the piston rod penetrates through the closed end of the injection cavity (101) and is fixed with the fixed block (33).

5. The thoracic prosthesis implanter of claim 1, wherein: the injection cylinder is characterized by further comprising a connecting plate (2), the connecting plate (2) is fixed on the circumferential surface of the closed end of the injection cylinder (1), a through hole (6) is formed in the connecting plate (2), one end of the air channel (102) is arranged in an open mode, and the other end of the air channel is communicated with the outside through the through hole (6).

6. The thoracic prosthesis implanter of claim 4, wherein: the injection cavity (101) sequentially comprises a cylindrical section (7), a necking section (8) and a flaring section (9);

the piston head (32) moves in the cylindrical section (7), and the necking section (8) is close to the opening end of the injection cavity (101) and is in smooth transition with the cylindrical section (7) and the flaring section (9) respectively;

the flaring section (9) is positioned at the opening end of the injection cavity (101) and is outwards trumpet-shaped.