CN212326517U

CN212326517U - Negative pressure debridement knife

Info

Publication number: CN212326517U
Application number: CN202020005116.5U
Authority: CN
Inventors: 郑建鹏; 刘建平; 王亚伟; 张爽; 陈国栋; 周君; 张新龙; 兰垂世
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2021-01-12
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses clear sword of creating of negative pressure, including miniature casing (5), miniature casing (5) one end is connected and is established flexible and attract pipe (4), negative pressure drainage joint (12) is connected to the other end, be provided with miniature motor (11) in miniature casing (5), miniature motor (11) link to each other with flexible transfer line (8) one end, flexible transfer line (8) other end passes through fixed axle (2) and is connected with spiral blade (3), protection network (1) from bottom to top in proper order, spiral blade (3), protection network (1) and fixed axle (2) are the integral type setting, protection network (1) is fixed to be set up in flexible and attracts pipe (4) port department, the distance between spiral blade (3) and protection network (1) is 1-2 mm, the length in protection network (1) aperture be 4-5 mm. The utility model discloses beneficial effect: the wound healing device is convenient and fast to operate, removes necrotic wound surfaces and deep necrotic tissues, thoroughly removes necrotic tissues, saves time and labor, and promotes wounds of patients to heal better and faster.

Description

Negative pressure debridement knife

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to negative pressure debridement sword that necrotic tissue cleared away in mainly being applied to debridement art.

Background

Debridement is an operative procedure that uses surgical procedures to remove foreign matter from an open wound, remove necrotic, devitalized or severely contaminated tissue, suture a wound, minimize contamination or even clean the wound, achieve a period of healing, and facilitate recovery of the function and morphology of the injured part. Therefore, necrotic tissues must be removed as completely as possible, but the existing debridement operation is generally used for removing necrotic tissues by matching a tissue knife with a tissue shear, so that the problems that necrotic wounds cannot be completely removed, deep necrotic tissue wounds cannot be completely removed and the like exist, the effect of the debridement operation is seriously affected, and further, a patient may need to debride for many times, and the body wound is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of prior art, provide a structural design is reasonable, the simple operation, can assist the doctor to clear away the necrotic surface of a wound and the necrotic tissue in deep in the debridement operation, clear away thoroughly, labour saving and time saving, promote the clear sword of creating of negative pressure of better faster healing of patient's wound.

The utility model discloses clear sword of creating of negative pressure, including miniature casing 5, 5 one end of miniature casing connect and be provided with flexible and attract pipe 4, the other end connection is provided with negative pressure drainage joint 12, miniature casing 5 in be provided with miniature motor 11, miniature motor 11 link to each other with 8 one end of flexible transfer line, the 8 other ends of flexible transfer line are connected with spiral blade 3, protection network 1 from bottom to top in proper order through fixed axle 2, spiral blade 3, protection network 1 and fixed axle 2 be the integral type setting, protection network 1 fixed set up in flexible and attract pipe 4 ports department, spiral blade 3 and protection network 1 between the distance be 1-2 mm, the specification in 1 hole of protection network be 4 mm.

Two sides of the protective net 1 are provided with support rods 13, and two corresponding positions of two sides of the bendable suction tube 4 are provided with bayonets 14 which can be clamped and fixed.

Two sides of the protective net 1 are provided with screw rods 15, and threaded holes 16 which can be screwed and fixed are arranged at corresponding positions on two sides of the port of the bendable suction tube 4.

The micro motor 11 is fixed through the support 10, and the waterproof protective shell 9 is arranged around the micro motor 11.

The utility model discloses clear sword of creating of negative pressure of another kind of structure, including miniature casing 5, miniature casing 5 one end connect and be provided with flexible and attract pipe 4, other end connection and be provided with negative pressure drainage joint 12, miniature casing 5 in be provided with micro motor 11, micro motor 11 link to each other with 8 one end of flexible transfer line, the 8 other ends of flexible transfer line pass through fixed axle 2 and are connected with protection network 1, spiral blade 3 from bottom to top in proper order, protection network 1, spiral blade 3 and fixed axle 2 be the integral type setting, protection network 1 fixed set up in flexible and attract pipe 4 port department, protection network 1 and spiral blade 3 between the distance be 2-50 mm, the specification in protection network 1 aperture be 5 mm.

The utility model has the advantages that:

1) the negative pressure debridement knife comprises a micro-machine shell 5, one end of the micro-machine shell 5 is connected with a bendable suction tube 4, the other end of the micro-machine shell is connected with a negative pressure drainage connector 12, a micro-motor 11 is arranged in the micro-machine shell 5, the micro-motor 11 is connected with one end of a bendable transmission rod 8, the other end of the bendable transmission rod 8 is sequentially connected with a spiral blade 3 and a protective net 1 from bottom to top through a fixing shaft 2, the spiral blade 3, the protective net 1 and the fixing shaft 2 are integrally arranged, the protective net 1 is fixed at the port of the suction tube 4, the distance between the spiral blade 3 and the protective net 1 is 1-2 mm, the aperture of the protective net 1 is 4 mm and 4 mm, the negative pressure drainage connector 12 is firstly connected with a negative pressure suction device in the debridement operation process, the micro-machine shell 5 is held, the spiral blade 3 and the protective net 1 are matched with each other to be close to the wound of the tissue, so that necrotic tissues at the wound of a patient can be removed, and finally the removed necrotic tissues are sucked into a storage device of a negative pressure drainage device through the bendable suction tube 4, the miniature casing 5 and the negative pressure drainage connector 12, so that the purpose of thoroughly removing the necrotic tissues is achieved, and time and labor are saved; the distance between the spiral blade 3 and the protective net 1 is 1-2 mm, the aperture of the protective net 1 is 4-5 mm, the arrangement of the spiral blade 3 and the protective net 1 can remove necrotic tissues of a patient, so that the necrotic tissues can be removed more thoroughly, the operation is more convenient and faster, and the wound surface of the patient cannot be damaged, the design mainly aims at removing necrotic floatage of the superficial tissue of the nervus vascularis in the flushing process, and the design of the protective net 1 can prevent blood vessels and nerves of the superficial tissue from being damaged; the bendable suction tube 4 and the bendable transmission rod 8 arranged inside the bendable suction tube 4 can move within the range of 0-180 degrees of the included angle formed by the central axis of the micro motor 11 and the central axis of the spiral blade 3, so that the spiral blade 3 can contact deep necrotic tissue wound surfaces such as sinus and lacuna, and the debridement effect is better.

2) Supporting rods 13 are arranged on two sides of the protective net 1, bayonets 14 which can be clamped and fixed are arranged at corresponding positions on two sides of the bendable suction tube 4, the spiral blade 3 and the protective net 1 which are integrally arranged are fixed at the end part of the bendable transmission rod 8 through the fixing shaft 2, and then the supporting rods 13 and the bayonets 14 are clamped and fixed with each other, so that the spiral blade 3, the protective net 1 and the bendable suction tube 4 are combined more firmly; meanwhile, due to the replaceable arrangement, the appropriate spiral blade 3 can be selected and replaced according to wound surfaces with different thicknesses, and multiple choices are provided for wound surface removal.

3) Protection network 1, spiral blade 3 and fixed axle 2 be the integral type setting, protection network 1 fixed set up in the flexible 4 ports of attracting pipe, the position that the pipe wall of protection network 1 can extend to being parallel with spiral blade 3, the pipe wall of the protection network 1 of extension can prevent that spiral blade 3 from cutting the tissue too deeply, protection network 1 and spiral blade 3 between the distance be 2-50 mm, the specification in protection network 1 aperture be 5 mm, this kind of design can be clear away to the surface of a wound of different thickness, can set up different specifications, satisfies the demand of clearing away of multiple surface of a wound, and protection network 1's setting can play spacing effect.

4) Compared with the traditional debridement means, the negative pressure debridement knife adopting the device has the advantages that debridement is more thorough, flushing and negative pressure suction in the operation are matched, the wound surface is smooth after debridement, and negative pressure drainage and later operation treatment are facilitated.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the support rods disposed on both sides of the protection net.

Fig. 3 is a schematic structural view of a bayonet.

Fig. 4 is a schematic view of a screw structure disposed on both sides of a protection net.

Fig. 5 is a structural schematic diagram of the threaded hole.

Fig. 6 is a schematic structural view of another embodiment of arrangement of a spiral blade and a protective net.

Fig. 7 is a schematic structural view of a helical blade.

Fig. 8 is a schematic structural view of the protection net.

In the figure: the device comprises a protective screen 1, a fixed shaft 2, a spiral blade 3, a suction tube 4, a miniature casing 5, a switch 6, an external power supply 7, a bendable transmission rod 8, a waterproof protective casing 9, a support 10, a miniature motor 11, a negative pressure drainage connector 12, a support rod 13, a bayonet 14, a screw rod 15 and a threaded hole 16.

Detailed Description

Example 1.

The utility model discloses constitute by protection network 1, fixed axle 2, helical blade 3, attract pipe 4, miniature casing 5, switch 6, external power supply 7, flexible transfer line 8, water proof shell 9, support 10, micro motor 11, negative pressure drainage joint 12, bracing piece 13, bayonet 14, screw rod 15, screw hole 16. The utility model discloses specific structure does: negative pressure debridement knife, including miniature casing 5, miniature casing 5 one end connect and be provided with flexible suction tube 4, the other end is connected and is provided with negative pressure drainage joint 12, miniature casing 5 in be provided with micro motor 11, micro motor 11 link to each other with 8 one end of flexible transfer line, the 8 other end of flexible transfer line is connected with spiral blade 3, protection network 1 from bottom to top in proper order through fixed axle 2, spiral blade 3, protection network 1 and fixed axle 2 be the integral type setting, protection network 1 fixed set up in sucking tube 4 port department, spiral blade 3 and protection network flexible 1 between the distance be 1-2 mm, the specification of protection network 1 aperture be 4 mm. Two sides of the protective net 1 are provided with support rods 13, and two corresponding positions of two sides of the bendable suction tube 4 are provided with bayonets 14 which can be clamped and fixed. Two sides of the protective net 1 are provided with screw rods 15, and threaded holes 16 which can be screwed and fixed are arranged at corresponding positions on two sides of the port of the bendable suction tube 4. The micro motor 11 is fixed through the support 10, and the waterproof protective shell 9 is arranged around the micro motor 11.

The using method comprises the following steps: the disinfection of a whole set of apparatus before art, the operating table connects the negative pressure aspirator, at first connect negative pressure drainage 12 and be connected with the negative pressure aspirator, handheld miniature casing 5, press close to tissue surface of a wound department with spiral blade 3 and protection network 1 mutually supporting, this kind of design is mainly to cleaing away the nervous superficial necrosis of blood vessel in the washing process and wafts the wadding thing, the necrosis that will clear away through the negative pressure drainage ware finally wafts the wadding thing and passes through flexible suction tube 4, miniature casing 5, negative pressure drainage connects 12 and inhales in the storage device of negative pressure drainage ware, reach the purpose of thoroughly cleaing away the necrotic wadding thing that wafts, time saving and labor saving.

Example 2.

The utility model discloses constitute by protection network 1, fixed axle 2, helical blade 3, attract pipe 4, miniature casing 5, switch 6, external power supply 7, flexible transfer line 8, water proof shell 9, support 10, micro motor 11, negative pressure drainage joint 12, bracing piece 13, bayonet 14, screw rod 15, screw hole 16. The structure comprises a miniature casing 5, one end of the miniature casing 5 is connected with a bendable suction tube 4, the other end is connected with a negative pressure drainage joint 12, a micro motor 11 is arranged in the micro casing 5, the micro motor 11 is connected with one end of the flexible transmission rod 8, the other end of the flexible transmission rod 8 is sequentially connected with the protective screen 1 and the spiral blade 3 from bottom to top through the fixed shaft 2, the protective net 1, the spiral blade 3 and the fixed shaft 2 are arranged in an integrated manner, the protective net 1 is fixedly arranged at the port of the bendable suction tube 4, the distance between the protective net 1 and the spiral blade 3 is 2-50 mm, the specification of the aperture of the protective net 1 is 5 mm-5 mm, two sides of the protective net 1 are provided with support rods 13, and two corresponding positions of two sides of the bendable suction tube 4 are provided with bayonets 14 which can be clamped and fixed. Two sides of the protective net 1 are provided with screw rods 15, and threaded holes 16 which can be screwed and fixed are arranged at corresponding positions on two sides of the port of the bendable suction tube 4. The micro motor 11 is fixed through the support 10, and the waterproof protective shell 9 is arranged around the micro motor 11.

The using method comprises the following steps: in the process of debridement surgery, the negative pressure drainage connector 12 is connected with a negative pressure suction apparatus, the miniature machine shell 5 is held by hand, wound tissues are cleaned through the spiral blade 3, the distance between the protective net 1 and the spiral blade 3 can be set to be 2-50 mm, a baffle is arranged every 2mm, different specifications can be set, the wound surfaces with different thicknesses can be cleaned, and the cleaning requirements of various wound surfaces are met. The finally cleaned necrotic tissue can be sucked into the storage device of the negative pressure drainage device through the bendable suction tube 4, the miniature casing 5 and the negative pressure drainage joint 12.

Claims

1. Negative pressure debridement knife, including miniature casing (5), its characterized in that: miniature casing (5) one end connect and be provided with flexible and attract pipe (4), the other end connection is provided with negative pressure drainage connector (12), miniature casing (5) in be provided with micro motor (11), micro motor (11) link to each other with flexible transfer line (8) one end, flexible transfer line (8) other end is connected with spiral blade (3), protection network (1) from bottom to top in proper order through fixed axle (2), spiral blade (3), protection network (1) and fixed axle (2) be the integral type setting, protection network (1) fixed set up in flexible and attract pipe (4) port department, spiral blade (3) and protection network (1) between the distance be 1-2 mm, the length in protection network (1) aperture be 4-5 mm.

2. The negative pressure debridement knife of claim 1, wherein: support rods (13) are arranged on two sides of the protective net (1), and bayonets (14) capable of being clamped and fixed are arranged at corresponding positions on two sides of the bendable suction tube (4).

3. The negative pressure debridement knife of claim 1, wherein: screw rods (15) are arranged on two sides of the protective net (1), and threaded holes (16) which can be screwed and fixed are arranged at corresponding positions on two sides of the port of the bendable suction tube (4).

4. The negative pressure debridement knife of claim 1, 2 or 3, wherein: the micro motor (11) is fixed through the support (10), and the waterproof protective shell (9) is arranged around the micro motor (11).

5. Negative pressure debridement knife, including miniature casing (5), its characterized in that: miniature casing (5) one end connect and be provided with flexible and attract pipe (4), the other end connection and be provided with negative pressure drainage connector (12), miniature casing (5) in be provided with micro motor (11), micro motor (11) link to each other with flexible transfer line (8) one end, flexible transfer line (8) other end is connected with protection network (1), spiral blade (3) from bottom to top in proper order through fixed axle (2), protection network (1), spiral blade (3) and fixed axle (2) be the integral type setting, protection network (1) fixed set up in flexible and attract pipe (4) port department, distance between protection network (1) and spiral blade (3) be 2-50 mm, the length in protection network (1) aperture be 4-5 mm.

6. The negative pressure debridement knife of claim 5, wherein: support rods (13) are arranged on two sides of the protective net (1), and bayonets (14) capable of being clamped and fixed are arranged at corresponding positions on two sides of the bendable suction tube (4).

7. The negative pressure debridement knife of claim 5, wherein: screw rods (15) are arranged on two sides of the protective net (1), and threaded holes (16) which can be screwed and fixed are arranged at corresponding positions on two sides of the port of the bendable suction tube (4).

8. The negative pressure debridement knife of claim 5, 6 or 7, wherein: the micro motor (11) is fixed through the support (10), and the waterproof protective shell (9) is arranged around the micro motor (11).