Leakage-proof negative pressure support used after rectal cancer operation
By designing a negative pressure stent after the operation of rectal cancer including metal stents, negative pressure cannulas and catheters, negative pressure cannulas is applied to the wound suture, the problem that the anastomosis after the rectal and anal suture is easily infected by feces is solved, and the effect of effectively preventing infection and stabilizing the anastomosis is achieved.
Patent Information
- Application Number
- CN202421030841.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-13
AI Technical Summary
The anastomosis after the rectum and anus are sutured easily by feces and become infected, and traditional medical fecal collection devices are difficult to prevent infection.
A negative pressure stent after rectal cancer surgery is designed, including a metal stent, a negative pressure cannula and a catheter. The negative pressure cannula is located outside the middle section of the metal stent. The catheter is connected to the outlet end of the metal stent. Negative pressure is applied to the negative pressure cannula through a negative pressure source to adsorb the wound suture to prevent feces from contacting.
It effectively prevents feces from contacting wounds, reduces the risk of infection, stabilizes the anastomosis, prevents loose lateral leakage, and speeds up the recovery of the anastomosis.
Smart Images
Figure CN222676918U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical supplies, in particular to the field of feces collection instruments, and specifically refers to a leak-proof negative pressure stent after rectal cancer surgery. Background Art
[0002] Low rectal cancer refers to rectal cancer that is less than 5 cm away from the anal verge. In current surgical procedures, it can be treated by cutting and removing the cancerous segment of the rectum and then suturing the rectum to the anus.
[0003] However, the anastomosis after the rectum and anus are sutured is easily infected by feces, and traditional medical feces collection instruments are difficult to prevent infection. Utility Model Content
[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a leakage-proof negative pressure stent after rectal cancer surgery which has the advantages of simple structure, easy operation and wide application range.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a leak-proof negative pressure stent after rectal cancer surgery as follows:
[0006] The leak-proof negative pressure stent after rectal cancer surgery has the following main features: the device comprises a metal stent, a negative pressure sleeve and a catheter; the negative pressure sleeve is sleeved on the outside of the middle section of the metal stent; the catheter is connected to the outlet end of the metal stent; the metal stent is a coated stent, and in the expanded state, both ends of the metal stent are in the shape of ball heads.
[0007] Preferably, the device further comprises a negative pressure source, and one end of a connecting pipe of the negative pressure source is connected to the negative pressure sleeve.
[0008] Preferably, the device further comprises a plurality of adsorption holes, and the plurality of adsorption holes are arranged on the negative pressure sleeve.
[0009] Preferably, the metal support and the negative pressure sleeve are in close contact or have a gap therebetween.
[0010] Preferably, the interpenetrating joints of the negative pressure source are sealed.
[0011] Preferably, both ends of the metal bracket are closed ring structures.
[0012] The utility model is a post-operative leak-proof negative pressure stent for rectal cancer, which can drain feces and protect the wound sutures after low-position rectal cancer surgery to prevent infection caused by contact between feces and the wound. The negative pressure sleeve is used to absorb negative pressure at the wound sutures to further achieve a stabilizing effect, prevent loosening and side leakage of the anastomosis, and accelerate the recovery of the anastomosis. The first balloon and the second balloon of the device are set in a funnel shape to further improve the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of a leak-proof negative pressure stent for rectal cancer surgery according to the utility model.
[0014] Figure 2 It is a schematic diagram of a metal stent of a leak-proof negative pressure stent after rectal cancer surgery according to the utility model.
[0015] Figure 3 The utility model is a schematic diagram of a negative pressure sleeve and a negative pressure source of a leak-proof negative pressure stent after rectal cancer surgery.
[0016] Reference numerals:
[0017] 1 Metal bracket
[0018] 2 Negative pressure cannula
[0019] 3 Negative pressure source
[0020] 4 Adsorption holes
[0021] 5 Catheter DETAILED DESCRIPTION
[0022] In order to more clearly describe the technical content of the present invention, further description is given below in conjunction with specific embodiments.
[0023] The utility model discloses a leak-proof negative pressure stent after rectal cancer surgery, which comprises a metal stent, a negative pressure sleeve and a catheter. The negative pressure sleeve is sleeved on the outside of the middle section of the metal stent, and the catheter is connected to the outlet end of the metal stent. The metal stent is a coated stent, and in the expanded state, both ends of the metal stent are in the shape of ball heads.
[0024] As a preferred embodiment of the utility model, the device further comprises a negative pressure source, and one end of the connecting pipe of the negative pressure source is connected to the negative pressure sleeve.
[0025] As a preferred embodiment of the present utility model, the device further comprises a plurality of adsorption holes, and the plurality of adsorption holes are arranged on the negative pressure sleeve.
[0026] As a preferred embodiment of the present invention, the metal bracket and the negative pressure sleeve are fitted together or have a gap therebetween.
[0027] As a preferred embodiment of the present utility model, the interpenetrating joint of the negative pressure source is sealed.
[0028] As a preferred embodiment of the present invention, both ends of the metal bracket are closed ring structures.
[0029] In a specific implementation manner of the utility model, a metal support 1, a negative pressure sleeve 2, a negative pressure source 3, an adsorption hole 4, and a catheter 5 are included.
[0030] like Figures 1 to 3 As shown, the connection relationship of the device is as follows: the metal stent 1 is a coated stent, and in the expanded state, both ends are ball-shaped, the negative pressure sleeve 2 is sleeved on the metal stent 1, and the catheter 5 is connected to the outlet end of the metal stent 1.
[0031] The metal stent 1 has no additional balloon, and the function is replaced by a spherical stent.
[0032] The catheter 5 does not penetrate the metal stent 1 , but is connected to the rear end of the metal stent 1 .
[0033] Here’s how it works:
[0034] After the rectum and anus are sutured, in order to avoid infection at the suture site, the metal stent 1 is inserted into the patient's anus so that the negative pressure sleeve 2 is located at the wound suture site, and the metal stent is stretched so that the device is clamped at the patient's anus. The wound suture site is located between the two ball heads of the metal stent 1, and feces is discharged from the catheter 5, thereby protecting the wound suture site to prevent infection. In addition, negative pressure is applied by the negative pressure source 3 to generate negative pressure in the negative pressure sleeve 2, thereby making the wound suture site close to the negative pressure sleeve, stabilizing the site to prevent the site from loosening, and further improving its protective effect.
[0035] The two ends of the metal support of the device are arranged in a funnel shape to further improve the protection effect.
[0036] The specific implementation scheme of this embodiment can refer to the relevant description in the above embodiment, which will not be repeated here.
[0037] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.
[0038] It should be noted that, in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" refers to at least two.
[0039] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0040] The utility model is a post-operative leak-proof negative pressure stent for rectal cancer, which can drain feces and protect the wound sutures after low-position rectal cancer surgery to prevent infection caused by contact between feces and the wound. The negative pressure sleeve is used to absorb negative pressure at the wound sutures to further achieve a stabilizing effect, prevent loosening and side leakage of the anastomosis, and accelerate the recovery of the anastomosis.
[0041] In this specification, the utility model has been described with reference to its specific embodiments. However, it is obvious that various modifications and changes can be made without departing from the spirit and scope of the utility model. Therefore, the description and drawings should be regarded as illustrative rather than restrictive.
Claims
1. A leak-proof negative pressure stent for rectal cancer surgery, characterized in that: The stent comprises a metal stent, a negative pressure sleeve and a catheter. The negative pressure sleeve is sleeved on the outside of the middle section of the metal stent, and the catheter is connected to the outlet end of the metal stent. The metal stent is a coated stent, and in the expanded state, the two ends of the metal stent are in the shape of ball heads.
2. The anti-leakage negative pressure stent after rectal cancer surgery according to claim 1, characterized in that: The support also includes a negative pressure source, and one end of the connecting pipe of the negative pressure source is connected to the negative pressure sleeve.
3. The anti-leakage negative pressure stent after rectal cancer surgery according to claim 1, characterized in that: The support also includes a plurality of adsorption holes, and the plurality of adsorption holes are arranged on the negative pressure sleeve.
4. The anti-leakage negative pressure stent after rectal cancer surgery according to claim 1, characterized in that: The metal support is fitted with the negative pressure sleeve or there is a gap between them.
5. The anti-leakage negative pressure stent after rectal cancer surgery according to claim 2, characterized in that: The interpenetrating joints of the negative pressure source are sealed.
6. The anti-leakage negative pressure stent after rectal cancer surgery according to claim 1, characterized in that: The two ends of the metal bracket are closed ring structures.