CN210931897U - Breast reconstruction tissue expander with fixing device - Google Patents

Abstract

The utility model discloses a take fixing device's breast to rebuild tissue expander, it relates to medical auxiliary instrument field, and its main part is provided with the expansion bag, the downside of expansion bag is connected with a plurality of fixing device, one or more among the fixing device sets up to arc strip structure, fixing device and soft tissue or muscle are fixed through sewing up on every side, through setting up one or more fixing device wherein to arc strip structure for fixing device and the area of contact increase of soft tissue or muscle on every side, thereby reduce the breast and rebuild the lower sense of weighing down and uncomfortable sense that the tissue expander produced, improve patient's experience and feel.

Description

Breast reconstruction tissue expander with fixing device

Technical Field

The utility model relates to the field of medical auxiliary equipment, in particular to a breast reconstruction tissue expander with a fixing device.

Background

Tissue expanders are devices that are implanted subcutaneously and then gradually inflated to stretch the outer tissue. Such dilators are used to form a pocket that receives a permanent prosthesis and/or to create an increased skin surface area so that the skin can be used for implantation or reconstruction. In the case of a breast implant, tissue expanders are used to create breast pockets that will ultimately receive a permanent breast implant. These dilators are typically formed from a silicone polymer shell and are implanted in a collapsed state. After implantation, saline or some other fluid is periodically injected into the dilator over time, for example through an injection port, until a bag of the desired size is obtained.

For example, the thickened patch is arranged below the bag body, four corners are connected to the four corners of the thickened patch respectively, the four corners are used for realizing suture fixation with the skin of a patient, the position of the dilator is fixed, after the dilator is implanted into the body of the patient, a certain amount of physiological saline is injected into the later stage of the dilator, factors such as the activity of the patient are added, the joint of the dilator and the human body can generate falling feeling and pain, and the experience feeling of the user after implantation is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a breast reconstruction tissue expander with a fixing device, which realizes the positioning and fixing of the breast reconstruction expander and human tissue, and reduces the discomfort by increasing the contact area between the fixing device and the human body.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a take fixing device's breast to rebuild tissue expander, its main part is provided with the expansion bag, the downside of expansion bag is connected with a plurality of fixing device, one or more among the fixing device sets up to arc strip structure, fixing device is fixed through sewing up with surrounding soft tissue or muscle.

Through adopting above-mentioned technical scheme, utilize the expansion bag to be connected with fixing device, fixing device sews up with soft tissue or muscle around and is connected, realize the fixed of expansion bag self, avoid it because of gravity, the aversion of extrusion or human motion's factor leads to the expansion bag, make the breast rebuild the tissue expander's of breast that this designed effect under expand evenly, improve the breast and rebuild the effect, the fixing device of arc strip structure has increased the area of contact with soft tissue or muscle around, so can effectively reduce the lower sense of weighing down that the expander produced because of its action of gravity.

Preferably, the outer wall of the expansion capsule is uniformly provided with a plurality of honeycomb-shaped concave points.

Through adopting above-mentioned technical scheme, the setting of honeycomb pit can increase the frictional force between expansion bag outer wall and surrounding soft tissue or the muscle, prevents effectively that the expansion bag from rocking.

Preferably, the outer wall of the dilatation balloon is uniformly coated with an anti-infection layer.

By adopting the technical scheme, the breast reconstruction tissue expander can be prevented from being infected when being implanted.

Preferably, the surface of the fixing device is provided with at least one positioning hole.

By adopting the technical scheme, the arrangement of the positioning hole has guiding and positioning functions on the fixing device in the suturing process, and in addition, the suture needle penetrates through the positioning hole in the fixing device, so that the damage to the breast reconstruction tissue expander in the suturing process can be reduced.

Preferably, the expansion capsule and the fixing device are arranged in an integrally formed structure.

By adopting the technical scheme, the service life of the breast reconstruction tissue expander is prolonged, and the expansion capsule is prevented from being separated from the fixing device in a human body.

Preferably, the main body of the device is provided with an injection member which is connected with the expansion capsule in an internal communication way, and the injection member is provided with an injection seat which is sutured with surrounding soft tissues or muscles.

By adopting the technical scheme, the injection seat forms an injection port for injecting the physiological saline and is sutured with surrounding soft tissues or muscles, so that the difficulty of later-stage water injection is avoided.

Preferably, the end face of the injection seat is provided with a limiting gasket, and the limiting gasket is fixedly connected with the injection seat.

Through adopting above-mentioned technical scheme, specific injection position can be confirmed in the setting of spacing gasket.

Preferably, the injection member is provided with a catheter, two ends of the catheter are respectively communicated and connected with the expansion capsule and the injection seat, and a plug body is arranged in the catheter.

By adopting the technical scheme, the plug body is arranged to prevent the physiological saline in the expansion capsule from flowing back.

Preferably, the injection member is provided with an releasing pipe, and two ends of the releasing pipe are respectively communicated and connected with the expansion capsule and the injection seat.

By adopting the technical scheme, the drainage tube can realize the drainage of the physiological saline.

Preferably, one end of the discharge pipe is provided with an anti-flow plug.

By adopting the technical scheme, the leakage detection phenomenon of the physiological saline in the dilator can be effectively avoided by the arrangement of the anti-flow plug.

Compared with the prior art, the utility model has the advantages of: (1) the arrangement of the fixing device with the arc-shaped strip structure can effectively reduce the falling feeling of the expander; (2) the plug body is arranged, so that the physiological saline in the expansion bag can be prevented from flowing back; (3) the arrangement of the drainage tube and the anti-drainage plug ensures that the normal saline in the expansion bag is smoothly drained and the saline before drainage can be prevented from overflowing.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention.

In the figure: 1-expanding the sac; 2-a fixing device; 3-positioning holes; 4-pits; 5-an injection seat; 6-a limiting gasket; 7-a catheter; 8-a plug body; 9-a discharge pipe; 10-anti-flow blockage.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

A breast reconstruction tissue expander with fixation device as shown in fig. 2, the main body of which comprises an expanding bag 1, the expanding bag 1 has upper and lower sides, wherein the lower side is a regular circular plane and is flatly placed against soft tissue or chest wall in a patient body, and the upper side is a cambered surface structure and is placed outwards from the chest wall surface when being implanted. The downside of expansion bag 1 is connected with fixing device 2, fixing device 2 stretches out and expands 1 edges of dress bag, fixing device 2 with expansion bag 1 is connected for integrated into one piece, and the setting of fixing device 2 and the 1 integrated into one piece structure of expansion bag can improve the life of breast reconstruction tissue expander, compare in fixing device 2 and expansion bag 1 later stage and be connected through the connecting piece, can effectively reduce the probability that fixing device 2 and expansion bag 1 separation of accident took place in vivo, improved the security performance that this breast reconstruction tissue expander used.

In the present embodiment, as shown in fig. 1, a plurality of fixing devices 2 are provided, and here, the structure form of three fixing devices 2 is described, wherein a connecting line of two fixing devices 2 coincides with a diameter of the lower side surface of the expansion capsule 1, a connecting line of a circle center of the third fixing device 2 and the lower side surface of the expansion capsule 1 is perpendicular to a connecting line of the first two fixing devices 2, an upper surface of each fixing device 2 is provided with a positioning hole 3 penetrating through the fixing device 2, at least one positioning hole 3 is provided on each fixing device 2, and a medical worker can use a suture needle to penetrate through the positioning holes 3 on the fixing devices 2 to suture with surrounding soft tissues or muscles, so as to reduce injury of the suture to breast reconstruction tissues during the suturing process.

At least one of the fixing devices 2 is of an arc-shaped strip structure, and after the breast reconstruction expander is implanted, one fixing device 2 of the arc-shaped strip structure is arranged at the uppermost end of the expansion bag 1 in a vertical state, so that the contact area between the fixing device 2 and surrounding soft tissues or muscles can be increased, the falling feeling and the pain feeling of the implanted expander caused by the gravity action of the implanted expander due to the movement or standing of a human body can be effectively reduced, and the discomfort brought to the human body by the breast reconstruction tissue expander is reduced.

In this embodiment, a plurality of honeycomb-shaped concave points 4 are uniformly distributed on the upper side surface and the lower side surface of the expansion capsule 1, the concave points 4 are positioned on the outer wall of the expansion capsule 1, which is in contact with the soft tissue or muscle of the human body, and the arrangement of the honeycomb-shaped concave points 4 can increase the friction force between the expansion capsule 1 and the surrounding soft tissue or muscle, thereby effectively reducing the probability of displacement and deformation of the surrounding muscle to the expansion capsule 1.

The outer wall of expansion bag 1 evenly coats and has the infection-preventing layer, and the infection-preventing layer of here is preferred to be the antibiotic, and at the in-process of paining the antibiotic, partly antibiotic can get into in the concave point 4, and concave point 4 plays the effect of adhering to the antibiotic for the antibiotic forms one deck anti-infective film on expansion bag 1 surface, can effectively prevent the antibiotic drippage, and can avoid expansion bag 1 to take place to infect when implanting.

In this embodiment, the breast reconstruction tissue expander further comprises an injection member, wherein the injection member is connected with the expansion capsule 1 in an internal communication manner, the injection member is arranged to facilitate the physiological saline entering and exiting of the expansion capsule 1 after implantation, the injection member is provided with an injection seat 5, the injection seat 5 is arranged to be a cylinder, is arranged under the skin together with the expansion capsule 1, and is connected with surrounding soft tissues or muscles in a sewing manner, so that the injection seat 5 is prevented from overturning and shifting, an injection port is formed, and the next injection is facilitated.

As shown in fig. 2, the end face of the injection seat 5 is provided with a limiting gasket 6, the limiting gasket 6 is located on one side of the injection seat 5 close to the skin of a human body, the limiting gasket 6 and the injection seat 5 are fixedly connected in a hot processing mode, the limiting gasket 6 is circular, and the diameter of the limiting gasket is larger than that of the injection seat 5, so that the problem that an injection port is not easy to query due to the fact that the size of the injection seat 5 is too small is solved, the position of the injection seat 5 is determined by searching the position of the limiting gasket 6, and pain of a patient suffering from multiple injection failures is reduced.

In this embodiment, the injection member is provided with a catheter 7, two ends of the catheter 7 are respectively connected with the expansion balloon 1 and the injection seat 5 in an internal communication manner, so as to form an injection passage of the saline, one end of the inner wall of the catheter 7, which is close to the injection seat 5, is provided with a plug 8, and the plug 8 only allows the saline to move in a single direction into the expansion balloon 1 through the injection seat 5 and the catheter 7, so that the backflow phenomenon of the saline during the injection process can be effectively avoided.

In this embodiment, the injection member is provided with a drainage tube 9, two ends of the drainage tube 9 are respectively connected with the expansion balloon 1 and the injection seat 5 in an internal communication manner, the drainage tube 9 is provided to facilitate the outflow of the saline, the drainage tube 9 is provided inside the catheter 7, one end of the drainage tube 9 close to the injection seat 5 penetrates through the catheter 7 and extends out of the catheter 7 to form a cross point of the drainage tube 9 and the catheter 7, and then is arranged in a communication manner with the injection seat 5, the drainage tube 9 at the cross point and the catheter 7 are integrally formed, and the distance between the cross point and the injection seat 5 is greater than the distance between the plug 8 and the injection seat 5, so that the drainage tube 9 is arranged to not hinder the unidirectional injection process of the saline under the action of the catheter 7 and the plug 8.

As shown in fig. 1, one end of the drainage tube 9 is provided with a flow-preventing plug 10, the flow-preventing plug 10 is arranged at one end of the drainage tube 9 close to the injection seat 5, the flow-preventing plug 10 is arranged in the drainage tube 9 in a matching manner to prevent the physiological saline from overflowing, one end of the drainage tube 9 provided with the flow-preventing plug 10 penetrates through a through hole arranged on the injection seat 5 and is placed on the body surface, and when the physiological saline in the expansion bag 1 needs to be replaced, the flow-preventing plug 10 is taken down by a medical worker to complete the operation process while the physiological saline flows in and is led out.

In the embodiment, the expansion capsule 1, the fixing device 2 and the injection member are all made of medical grade silicon rubber, so that the use safety of the breast reconstruction tissue expander is ensured.

Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. 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 (10)

1. The utility model provides a take fixing device's breast to rebuild tissue expander, its main part is provided with expansion bag (1), the downside of expansion bag (1) is connected with a plurality of fixing device (2), one or more in fixing device (2) set up to arc strip structure, fixing device (2) are fixed through sewing up with surrounding soft tissue or muscle.

2. A breast reconstruction tissue expander with immobilisation means as claimed in claim 1, characterised in that the outer wall of the expansion bladder (1) is evenly provided with a number of honeycomb shaped concave points (4).

3. Breast reconstruction tissue expander with immobilisation means as claimed in claim 1, characterised in that the outer wall of the expansion capsule (1) is evenly coated with an anti-infection layer.

4. The breast reconstruction tissue expander with fixation device as claimed in claim 1, wherein the fixation device (2) has at least one positioning hole (3) formed on its surface.

5. An anchor breast reconstruction tissue expander as claimed in claim 1, wherein said expansion bladder (1) is provided as an integral structure with said anchor means (2).

6. Breast reconstruction tissue expander with immobilisation means according to claim 1, characterised in that its body is provided with an injection member which is in internal communicating connection with the expansion capsule (1), said injection member being provided with an injection seat (5), said injection seat (5) being sutured to the surrounding soft tissue or muscle.

7. A breast reconstruction tissue expander with fixation device as in claim 6, wherein the end surface of said injection seat (5) is provided with a spacing washer (6), said spacing washer (6) being fixedly connected with the injection seat (5).

8. A breast reconstruction tissue expander with fixation device according to claim 6, wherein said injection member is provided with a catheter (7), both ends of said catheter (7) are respectively connected with the expansion capsule (1) and the injection seat (5) in a communication manner, and a plug body (8) is arranged in said catheter (7).

9. A breast reconstruction tissue expander with fixation means according to claim 6, wherein said injection member is provided with an outflow tube (9), and both ends of said outflow tube (9) are connected in communication with the expansion bladder (1) and the injection seat (5), respectively.

10. Breast reconstruction tissue expander with immobilisation means as claimed in claim 9, characterised in that one end of the run-off tube (9) is provided with a flow-preventing plug (10).

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