Diffusion-preventing visual medical device

Abstract

The anti-diffusion visual medical device comprises a water jet scalpel and a visual cover shell, the cover shell is provided with a first through hole allowing the water jet scalpel to penetrate through and a second through hole allowing a negative pressure suction part to penetrate through, one end of the cover shell is provided with an open end, and when the open end covers an area to be treated, the water jet scalpel can penetrate through the first through hole, and the negative pressure suction part can penetrate through the second through hole. A splash-proof space is defined by the housing and the to-be-treated area, so that the to-be-treated area is isolated from other areas. According to the utility model, a to-be-treated area is effectively isolated from other operation parts, so that sputtering pollution in the bone cement removal process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to water knife treatment device technical field, especially to a kind of diffusion prevention visualization medical device. BACKGROUND

[0002] Knee joint replacement and hip replacement are the most common two types of surgery in artificial joint replacement, and the success rate of ten years has exceeded 90%, and more than 80% of patients can normally use the implanted prosthesis for more than 20 years. Since artificial joint replacement has a service life, when the service life is reached or the replacement surgery is unsuccessful, it will lead to the corresponding complications. The solution to these complications, especially the prosthesis infection, is usually artificial joint revision. Since artificial joints are metal prostheses, and in order to ensure the firmness of the connection between artificial joints and human bones during artificial joint replacement, artificial joints are usually bonded to human bone tissue through bone cement. During joint revision, the metal prosthesis must be separated from the human bone, and the bone cement on the human bone surface must be removed. Since bone cement is made of PMMA plastic, it is very difficult to remove with conventional instruments. Therefore, doctors introduce a medical jet device as a new treatment method during surgery to remove bone cement using the water impact of the jet. Good results have been achieved. However, since bone cement has a certain strength and toughness, the jet stream is blocked, forming splashes, which can easily contaminate the surgical area. SUMMARY

[0003] The technical problem to be solved by the utility model is that the existing medical jet device is used for treatment, the jet stream is blocked due to the strength and toughness of the bone cement, forming splashes, which can easily contaminate the surgical area.

[0004] To solve the above technical problems, the utility model provides a diffusion prevention visualization medical device, which comprises a water jet and a visualized shell, the shell has a first through hole for the water jet to pass through and a second through hole for a negative pressure suction member to pass through, one end of the shell has an open end, when the open end is covered on the treatment area, the shell and the treatment area form a splash-proof space to isolate the treatment area from the rest of the area.

[0005] Further, the shell comprises a visualized body and a fitting part, the body has the open end, the fitting part is connected with the open end and surrounds the edge of the open end to fit with the edge of the treatment area.

[0006] Further, the body has an arc surface, and the edge of the arc surface forms the open end.

[0007] Further, the fitting part is made of elastic material.

[0008] Further, the elastic material is silica gel, rubber or plastic.

[0009] Further, the fitting part is in the form of a film sheet or a hollow strip.

[0010] Further, the cover shell further comprises a first connecting part, the first connecting part extends outward from the body, and the first connecting part is hollow to communicate with the first through hole.

[0011] Further, the cover shell further comprises a second connecting part, the second connecting part extends outward from the body, and the second connecting part is hollow to communicate with the second through hole.

[0012] Further, the water cutter comprises a shell, a spray pipe and a return pipe, the spray pipe and the return pipe are arranged in the shell, the return pipe is sleeved on the spray pipe, the spray pipe is provided with a spray head, the spray head is arranged corresponding to a pipe opening of the return pipe, and the shell is provided with a gap through which a water jet sprayed by the spray head passes.

[0013] Further, the shell is provided with a third connecting part, a bending part and a fourth connecting part, the third connecting part and the fourth connecting part are connected through the bending part, and the spray head is located at the fourth connecting part.

[0014] Compared with the prior art, the diffusion-proof visual medical device provided by the embodiment of the utility model has the beneficial effects that:

[0015] The cover shell provided by the embodiment of the utility model creates a closed operation environment, effectively separates the area to be treated from other parts of the operation, avoids splashing pollution in the bone cement removal process, in addition, the cover shell is made of transparent material, so that the operation team can clearly see the situation of the operation area, which is helpful for accurate operation, simultaneously monitors the splashing situation, and combines the negative pressure suction member to remove the splashing object in real time, reduces the pollution of the operation area, reduces the infection risk, and improves the safety and efficiency of the operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is the structure diagram of the diffusion-proof visual medical device provided by the embodiment of the utility model;

[0017] Fig. 2 is the use state sectional view of the diffusion-proof visual medical device provided by the embodiment of the utility model;

[0018] Fig. 3 is the structure diagram of the cover shell provided by the embodiment of the utility model;

[0019] In the figure, 1, water knife; 11, shell; 111, third connecting part; 112, bending part; 113, fourth connecting part; 12, spray pipe; 2, cover shell; 21, first through hole; 22, second through hole; 23, open end; 24, splash-proof space; 25, body; 251, camber surface; 26, fitting part; 27, first connecting part; 28, second connecting part. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0021] As Figs. 1 to 3 shown, the utility model provides a kind of diffusion-proof visual medical device, for the surgery of knee joint replacement and hip joint replacement, this including water knife 1 and visual cover shell 2, water knife 1 generates high-pressure water flow, for removing bone cement, reduce the damage to surrounding healthy bone tissue;Cover shell 2 has the first through hole 21 for water knife 1 to pass through, so that water knife 1 aims at the region to be processed, cover shell 2 also has the second through hole 22 for negative pressure suction piece to pass through, for immediate suction of splashed bone cement debris and liquid, prevent pollution surgical area;Cover shell 2 one end has open end 23, when open end 23 cover is set in the region to be processed, cover shell 2 and the region to be processed are enclosed to form splash-proof space 24, to isolate the region to be processed from remaining area, prevent bone cement fragments and liquid from splashing to other parts, protect surgical environment clean.

[0022] Based on the above structure, the cover shell 2 of the embodiment creates a closed working environment, effectively isolates the region to be processed from other parts of the operation, avoids splashing pollution during bone cement removal, in addition, the cover shell 2 is made of transparent material, so that the surgical team can clearly see the situation of the operation area, which helps accurate operation, at the same time monitors the splashing situation, and combines negative pressure suction piece, removes splashing object immediately, reduces the pollution of operation area, reduces the risk of infection, improves the safety and efficiency of operation.

[0023] It can be understood that the diffusion-proof visual medical device can also be used for other operations that require water knife 1 cutting, which is not particularly limited here.

[0024] Further, the cover 2 comprises a visualized body 25 and a fitting part 26, the body 25 has an open end 23, so that the nozzle of the water jet 1 directly acts on the area to be treated, while it can be surrounded by other parts of the cover 2, thereby forming a relatively closed space, limiting the splashing range of bone cement debris and liquid, the fitting part 26 is connected with the open end 23 and surrounds the edge of the open end 23 to fit with the edge of the area to be treated, so that the fitting part 26 can effectively seal the surgical area, prevent bone cement debris, liquid or other contaminants from escaping from the open end 23, further enhance the isolation effect, reduce the pollution risk in the operating room.

[0025] Based on the above structure, the body 25 and the fitting part 26 of the embodiment jointly form a closed working environment, ensure that the surgical area is isolated from the outside world, reduce the possibility of cross contamination, provide a clean working condition for the doctor, and also protect the surgical site of the patient from the risk of additional infection, in addition, through visual feedback and physical isolation, the doctor can more accurately perform the bone cement removal task, while reducing the opportunity of accidental injury or infection caused by splashing, thereby improving the efficiency and safety of the entire surgical procedure.

[0026] Further, the body 25 has an arc surface 251, and the edge of the arc surface 251 forms the open end 23.

[0027] Based on the above structure, on the one hand, the arc surface 251 is designed to better fit the contour of the human joint, forming a stable interface, reducing the disturbance caused by unstable devices during the operation, and by surrounding the open end 23, the device can create an isolated space in the surgical area, prevent debris and liquid generated during the bone cement removal process from splashing outside the surgical area, reduce the pollution of the surgical area, and reduce the risk of infection. In addition, the arc surface 251 design is usually used in combination with transparent materials to provide a clear view for the doctor, making it easy to observe the surgical area and ensure the accuracy of the surgical operation.

[0028] Further, the fitting part 26 is made of elastic material, so that the fitting part 26 can deform and recover to its original shape to adapt to different shapes and sizes of the surgical area, providing tight and comfortable fitting. In addition, the elastic material can form an effective seal to prevent liquid or particles generated during the operation from splashing out and polluting the environment outside the surgical area, thereby reducing the risk of infection.

[0029] Preferably, the elastic material is silicone, rubber or plastic. Silicone has extremely high biocompatibility and will not cause immune response or allergic reaction in the human body, suitable for long-term contact with the skin or soft tissue. Rubber has excellent elasticity and can withstand large deformation and restore to its original shape, suitable for components that need to be deformed frequently. Plastic is usually low in cost, easy to shape, suitable for the manufacture of disposable or low-cost medical devices, and can be processed into complex shapes through various processes such as injection molding and extrusion, meeting the design needs of different medical devices.

[0030] Further, the fitting part 26 is in the form of a thin film sheet or a hollow strip. The thin film sheet is a thin and flat structure, similar to a ring-shaped film, connected to the edge of the open end 23 of the shell 2, which can tightly fit the edge of the surgical area, forming a good seal to prevent bone cement debris and liquid from splashing. In addition, the thin film sheet structure can better adapt to different shapes of the surgical area, ensuring the fit of the device with the human anatomical structure. The hollow strip is a long strip structure with a hollow inside, which surrounds the edge of the open end 23. This structure can provide a certain buffering effect when fitting, avoiding direct pressure on the skin or soft tissue, and can better form a seal when compressed to prevent any small particles or liquid from penetrating, ensuring the cleanliness of the surgical area. In addition, the hollow strip structure increases the stability of the contact surface between the fitting part 26 and the human body, helping to fix the position of the device and reducing movement during the operation.

[0031] Further, the shell 2 further comprises a first connecting part 27, which extends outward from the body 25, and the first connecting part 27 is in a hollow shape to communicate with the first through hole 21.

[0032] Based on the above structure, the nozzle of the water jet 1 is inserted into the first connecting part 27, passing through this hollow channel to guide the water jet 1 to extend into the area to be treated, and through the communication between the first connecting part 27 and the first through hole 21, combined with the closed design of the entire shell 2, an isolation system is formed, effectively preventing the splashing of bone cement debris and liquid, protecting the cleanliness of the surgical area and the safety of the surgical personnel.

[0033] Further, the shell 2 further comprises a second connecting part 28, which extends outward from the body 25, and the second connecting part 28 is in a hollow shape to communicate with the second through hole 22.

[0034] The second connecting part 28 of the present embodiment serves as an interface for the negative pressure suction device, allowing the negative pressure suction member to penetrate the splash-proof space 24, so that the negative pressure suction member can collect and remove bone cement debris, liquid and other possible splashes generated during the operation, effectively preventing the spread of contaminants outside the surgical area, reducing the risk of cross contamination and ensuring the cleanliness of the surgical area.

[0035] Further, the water jet 1 comprises a shell 11, a spray pipe 12 and a backflow pipe, the shell 11 is an external protective layer of the water jet 1, used to accommodate and fix the internal components, and at the same time provide a hand-held frame for the operator, the spray pipe 12 and the backflow pipe are arranged in the shell 11, and the backflow pipe is sleeved on the spray pipe 12, collecting the unused water or the debris hit by the water jet during the spraying process, and leading out through the backflow pipe, avoiding the splash to pollute the surgical area or the environment around the equipment, the spray pipe 12 is responsible for guiding the high-pressure water flow to the target area, and has a spray head arranged corresponding to the pipe opening of the backflow pipe, and the shell 11 has a gap through which the water jet sprayed by the spray head passes.

[0036] Further, the shell 11 has a third connecting part 111, a bending part 112 and a fourth connecting part 113, the first connecting part 27 is used to connect the water supply system and the power source of the water jet 1, the third connecting part 111 and the fourth connecting part 113 are connected through the bending part 112, so that the water jet 1 can be deeply inserted into the splash-proof space 24 from the side during use, and the visual obstruction caused by directly operating from the top is reduced, the clarity of the surgical field and the accuracy of the operation are improved, and the spray head is located at the fourth connecting part 113.

[0037] In summary, the utility model embodiment provides a kind of anti-diffusion visual medical device, its cover shell 2 creates a closed operating environment, effectively separates the region to be handled from other parts of surgery, avoids splash pollution in the process of bone cement removal, in addition, cover shell 2 uses transparent material, so that surgical team can clearly see the situation of surgical area, help accurate operation, monitor splash condition simultaneously, and combine negative pressure suction piece, remove splash immediately, reduce the pollution of surgical area, reduce the risk of infection, improve the safety and efficiency of surgery.

[0038] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and substitutions can be made, and these improvements and substitutions should be regarded as the protection range of the utility model.

Claims

1. A non-proliferation visual medical device, characterized in that, It includes a water jet and a visible housing. The housing has a first through hole through which the water jet passes and a second through hole through which a negative pressure suction component passes. One end of the housing has an open end. When the open end covers the area to be treated, the housing and the area to be treated enclose a splash-proof space to isolate the area to be treated from the rest of the area.

2. The anti-proliferation visual medical device according to claim 1, characterized in that, The cover includes a visible body and a fitting portion. The body has the open end, and the fitting portion is connected to the open end and surrounds the edge of the open end to fit against the edge of the area to be treated.

3. The anti-proliferation visual medical device according to claim 2, characterized in that, The body has an arc surface, and the edges of the arc surface enclose the open end.

4. The anti-proliferation visual medical device according to claim 2, characterized in that, The bonding part is made of elastic material.

5. The anti-proliferation visual medical device according to claim 4, characterized in that, The elastic material is silicone, rubber, or plastic.

6. The anti-proliferation visual medical device according to claim 4 or 5, characterized in that, The bonding part is in the form of a thin film or a hollow strip.

7. The anti-proliferation visual medical device according to claim 2, characterized in that, The cover also includes a first connecting portion, which extends outward from the body and is hollow to communicate with the first through hole.

8. The anti-proliferation visual medical device according to claim 2, characterized in that, The cover also includes a second connecting portion, which extends outward from the body and is hollow to communicate with the second through hole.

9. The anti-proliferation visual medical device according to claim 1, characterized in that, The water jet includes a housing, a nozzle, and a return pipe. The nozzle and the return pipe are disposed inside the housing, and the return pipe is sleeved on the nozzle. The nozzle has a nozzle, and the nozzle is correspondingly disposed with the opening of the return pipe. The housing has a notch for the water jet to pass through.

10. The anti-proliferation visual medical device according to claim 9, characterized in that, The outer casing has a third connecting part, a bending part and a fourth connecting part, the third connecting part and the fourth connecting part are connected through the bending part, and the nozzle is located at the fourth connecting part.

Images