Search

CN-122005969-A - Anti-infection and pressure-reducing external fixing device for lumbar cistern drainage

CN122005969ACN 122005969 ACN122005969 ACN 122005969ACN-122005969-A

Abstract

The application discloses an anti-infection and pressure-reducing external fixing device for drainage of a lumbar cistern, which belongs to the field of medical devices and is used for medical treatment, and comprises a drainage bottle, an adjusting and fixing plate, a supporting rod and a base, wherein the drainage bottle forms a disinfectant cavity and a drainage cavity through a partition board in the bottle, and a drainage tube is respectively connected with the drainage cavity and a dressing box; the dressing box is provided with a dressing cavity with dressing and communicated with a sterilizing tube, the dressing box is provided with a leading-out hole for a drainage tube to pass through, the dressing box is provided with a guide piece in the leading-out direction of the drainage tube, the guide piece is positioned on one side of the leading-out hole, the other side of the leading-out hole is provided with a protecting piece, the sterilizing tube is communicated with a sterilizing liquid cavity in a drainage bottle through a pumping device, and the drainage cavity in the drainage bottle is also communicated with a liquid discharge tube. The application can realize the decompression fixation of the lumbar cistern drainage tube, realize the disinfection of the drainage tube laying position, avoid infection, facilitate the adjustment of drainage pressure, and avoid the pollution of liquid in the drainage bottle to the external environment in the adjustment process.

Inventors

  • ZHANG JIANNAN
  • FANG FANG
  • WU MEI
  • MAO HUIYING
  • SHI NAN
  • CHEN LILI

Assignees

  • 江苏省苏北人民医院

Dates

Publication Date
20260512
Application Date
20260318

Claims (9)

  1. 1. The external fixing device for the lumbar cistern drainage anti-infection and decompression comprises a drainage bottle (20), wherein the drainage bottle (20) is arranged on an adjusting fixing plate (16), the adjusting fixing plate (16) is connected with a base (14) through a supporting rod (15), a drainage tube (5) is arranged on the drainage bottle (20), and the external fixing device is characterized in that a bottle inner partition plate (21) is arranged inside the drainage bottle (20), the bottle inner partition plate (21) divides an inner cavity of the drainage bottle (20) into a disinfectant cavity and a drainage cavity, the drainage tube (5) is communicated with the drainage cavity, a dressing box (1) is arranged at a position contacting with skin, the dressing box (1) covers the position of the drainage tube (5) penetrating out of the skin, a dressing cavity (11) is arranged at one side of the dressing box (1) facing the skin, a dressing is arranged in the dressing cavity (11), the dressing cavity (11) is communicated with a disinfection tube (9), a hole (6) for leading out the drainage tube (5) to pass through is arranged on the dressing box (1), a guiding piece (7) is arranged at one side of the drainage tube (5) where the guiding piece (7) is arranged, the other side of the leading-out hole (6) is provided with a protecting piece (4), the sterilizing pipe (9) is communicated with a sterilizing liquid chamber in the drainage bottle (20) through a pumping device, and the drainage chamber in the drainage bottle (20) is also communicated with a liquid discharge pipe (26).
  2. 2. The external fixation device for lumbar cistern drainage and anti-infection and decompression according to claim 1, wherein the dressing case (1) is provided with an upper fixing piece (2) at the positions of two sides of the guide piece (7), the dressing case (1) is provided with a lower fixing piece (3) at the positions of two sides of the protecting piece (4), and the upper fixing piece (2) and the lower fixing piece (3) are connected with the skin through bonding binding bands.
  3. 3. The external fixation device for lumbar cistern drainage and anti-infection and decompression according to any one of claims 1 to 2, wherein the dressing case (1) is provided with a medical rubber pad (12) at the edge position of the dressing cavity (11), the disinfection tube (9) is provided with a plurality of through holes on the tube wall extending into the dressing cavity (11), and the disinfection tube (9) is coiled in the dressing cavity (11).
  4. 4. The external fixation device for lumbar cistern drainage and anti-infection and decompression according to claim 3, wherein the disinfection tubes (9) are separately arranged at two sides of the drainage tube (5) and are connected with the drainage tube (5) through guide fixing pieces (10), and the guide fixing pieces (10) are multiple and distributed along the length of the drainage tube (5).
  5. 5. The external fixing device for drainage and anti-infection and decompression of lumbar cistern according to claim 4, wherein the guiding fixing piece (10) comprises a fixing body (34) clamped with the outer wall of the drainage tube (5), the fixing body (34) is provided with a drainage clamping groove (31) at the middle position, the fixing body (34) is provided with disinfection clamping grooves (32) at two sides of the drainage clamping groove (31), a guiding limiting hole (33) formed by a through hole penetrating through the fixing body (34) is arranged between the drainage clamping groove (31) and the disinfection clamping groove (32), the fixing body (34) is provided with a guiding bayonet (13) at the end part, and a plurality of reinforcing ribs (35) are arranged on the outer side surface of the drainage clamping groove (31).
  6. 6. The external fixing device for drainage and anti-infection and decompression of a lumbar cistern according to claim 5, wherein two sides of the drainage bottle (20) are provided with bottle body sliding blocks (30), the bottle body sliding blocks (30) are slidably arranged on the adjusting sliding plates (17), the adjusting sliding plates (17) are provided with a plurality of adjusting holes (19) in the length direction, the adjusting holes (19) are in threaded connection with the fixing knob (18), and the fixing knob (18) is propped against the bottle body sliding blocks (30) after being screwed into the adjusting holes (19).
  7. 7. The external fixation device for lumbar cistern drainage and anti-infection and decompression according to claim 1, wherein a drainage cover body (36) is fixed at the top end opening of the drainage bottle (20) in a sealing way, a drainage tube (5), a disinfection one-way valve (25) and a disinfection tube (9) are arranged on the drainage cover body (36), the drainage tube (5) is communicated with a drainage cavity in the drainage bottle (20), the disinfection one-way valve (25) and the disinfection tube (9) are communicated with a disinfection liquid cavity, and the disinfection one-way valve (25) allows external air to be sent into the disinfection liquid cavity after being filtered.
  8. 8. The external fixation device for lumbar cistern drainage and anti-infection and decompression according to claim 7 is characterized in that the drainage bottle (20) is provided with a plurality of silicon capsules (29) on a bottle inner partition plate (21), the silicon capsules (29) are located in the drainage cavity, the silicon capsules (29) are elastic hollow cylinders, the top ends of the silicon capsules (29) are communicated with the bottom of a negative pressure regulator (24) through negative pressure connecting pipes (28), the negative pressure regulator (24) is located at the top end of a drainage cover body (36), a piston plate (27) with the same section as the negative pressure regulator (24) is arranged in the negative pressure regulator (24), the top ends of the piston plates (27) are connected with a negative pressure lifter (23) through telescopic rods, and the negative pressure lifter (23) is connected with the top ends of the negative pressure regulator (24).
  9. 9. The external fixation device for lumbar cistern drainage and anti-infection and decompression according to claim 8, wherein the drainage cover body (36) is further provided with a pressure balance tube (22), the pressure balance tube (22) is communicated with the drainage chamber, and the pressure balance tube (22) is plugged by a plug body.

Description

Anti-infection and pressure-reducing external fixing device for lumbar cistern drainage Technical Field The application belongs to the field of medical devices, and particularly relates to an anti-infection and pressure-reducing external fixing device for drainage of a lumbar cistern. Background In the course of treatment of hydrocephalus, intracranial infections, rupture of aneurysms, etc., lumbar cistern drainage may be used to alleviate symptoms such as hydrocephalus. For example, patent document CN215082819U discloses a drainage device for lumbar cistern with decompression and fixing functions, and specifically discloses a technical scheme that the drainage device comprises a lumbar patch, a vertebra patch and a shoulder patch which are made of decompression dressing, wherein the shoulder patch and the vertebra patch are in T-shaped arrangement, the lumbar patch is arranged below the vertebra patch, the back surfaces of the lumbar patch, the vertebra patch and the shoulder patch are adhesive layers, limit grooves are arranged on the surfaces of the vertebra patch and the shoulder patch, and transparent layers are arranged above the lumbar patch, the vertebra patch and the shoulder patch. Meanwhile, in the patent document with the publication number of CN118236610A, a lumbar cistern drainage device is disclosed, and the technical scheme is specifically disclosed that the lumbar cistern drainage device comprises a drainage device and a drainage speed controller, wherein the drainage device comprises a drip cup, a second conduit, a suction cylinder and a control valve, the drip cup is provided with a drip cup air inlet pipe, the suction cylinder comprises a cylinder body, a piston and a piston rod, the inner cavities of the cylinder body on two sides of the piston are respectively provided with a rod cavity and a rodless cavity, the control valve is provided with a control valve air inlet pipe, the drip cup, the rod cavity and the rodless cavity are respectively connected with the control valve, the control valve can control any one of the rod cavity and the rodless cavity to be communicated with the drip cup while the other is communicated with the control valve air inlet pipe, the drainage speed controller comprises a suction cylinder driver, a control valve driver, a fixing structure and a pipe clamp, the drip cup, the suction cylinder and the control valve are fixed on the fixing structure, the suction cylinder driver is connected with the suction cylinder, the control valve driver is connected with the control valve, and the second conduit and the drip cup air inlet pipe are put into the pipe clamp. However, the applicant believes that in the above technical scheme, the position of the drainage tube penetrating out of the skin is not provided with a protection structure and the structures of the drainage tube, the drainage bottle and the like are not improved, so that the aim of better sterilizing and avoiding infection is fulfilled, the environment in the drainage bottle cannot be regulated, and the influence on the external environment and the internal environment of the drainage bottle in the environment regulation process is avoided. Disclosure of Invention The application aims to provide an anti-infection and decompression external fixing device for drainage of a lumbar cistern, which can realize decompression fixation of a drainage tube of the lumbar cistern, realize disinfection of a laying position of the drainage tube, avoid infection, facilitate adjustment of drainage pressure, and prevent pollution of liquid in a drainage bottle to the external environment in the adjustment process. In order to achieve the above purpose, the application is realized by the following technical scheme: The application discloses an anti-infection and anti-decompression external fixing device for drainage of a lumbar cistern, which comprises a drainage bottle, wherein the drainage bottle is arranged on an adjustment fixing plate, the adjustment fixing plate is connected with a base through a supporting rod, a drainage tube is arranged on the drainage bottle, an inner bottle partition plate is arranged in the drainage bottle, an inner cavity of the drainage bottle is divided into a disinfectant cavity and a drainage cavity by the inner bottle partition plate, the drainage tube is communicated with the drainage cavity, a dressing box is arranged at a position where the drainage tube contacts with skin and covers a position where the drainage tube penetrates out of the skin, a dressing cavity is arranged at one side of the dressing box facing the skin, a dressing is arranged in the dressing cavity and is communicated with a disinfection tube, an outlet hole for the drainage tube to penetrate is formed in the dressing box, a guide piece is arranged in the direction of the drainage tube, the guide piece is positioned at one side of the outlet hole, a protective piece is arranged at the other side of the outlet hole,