CN214129873U

CN214129873U - Adjustable shunt valve positioning device for cerebrospinal fluid abdominal cavity shunt

Info

Publication number: CN214129873U
Application number: CN202022334943.1U
Authority: CN
Inventors: 周贺芙; 栾永昕
Original assignee: Jilin Laiwo Medical Technology Co ltd
Current assignee: Jilin Laiwo Medical Technology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-09-07
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses an adjustable shunt valve positioning device for cerebrospinal fluid abdominal cavity shunt, which comprises an outer sleeve and an inner sleeve, wherein the outer sleeve is designed into a cylindrical shape, an outer sleeve slideway I and an outer sleeve slideway II are arranged on the side wall of the cylindrical shape, and the centers of the outer sleeve slideway I and the outer sleeve slideway II are positioned on the same straight line; the inner sleeve comprises an inner sleeve cone body and an inner sleeve body, the inner sleeve cone body is fixedly connected to one end of the inner sleeve body, the other end of the inner sleeve body is embedded into an inner hole of the outer sleeve, and an inner sleeve slideway is arranged on the side wall of the inner sleeve body. The utility model discloses think about ingenious, easy operation does not need the belly opening operation, has realized same aspect through the wicresoft, and quick location is placed adjustable flow divider, shortens the operation time, reduces the patient damage, reduces postoperative complication symptom, reduces patient's medical expense, improves patient's quality of life.

Description

Adjustable shunt valve positioning device for cerebrospinal fluid abdominal cavity shunt

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an adjustable flow divider positioner of cerebrospinal fluid abdominal cavity reposition of redundant personnel art.

Background

Hydrocephalus is a brain disease caused by over-production or low absorption of cerebrospinal fluid due to cerebrospinal fluid flow disorder, and most patients need surgical treatment to relieve hydrocephalus and relieve the symptoms of brain tissue compression. At present, the most commonly adopted operation modes for treating hydrocephalus by domestic clinicians are ventriculo-abdominal shunt and ventriculo-atrial shunt. With the rapid development of minimally invasive technology, the appearance of the pressure-adjustable shunt tube lumbar cisterna magna abdominal cavity shunt provides a new choice for the clinical treatment of hydrocephalus, and the pressure-adjustable shunt tube lumbar cisterna magna abdominal cavity shunt tube can shunt the cerebrospinal fluid of the lumbar subarachnoid cavity of a patient into the abdominal cavity, promote the regression of the hydrocephalus and be more suitable for the circulation state of the cerebrospinal fluid. The pressure-adjustable shunt tube lumbar cisterna abdominal cavity shunt is a minimally invasive surgery type, has the advantages of long operation time, small wound, simple operation and the like, can avoid the defect of ventricular puncture in the pressure-adjustable shunt tube ventricular abdominal cavity shunt by lumbar puncture, reduces the operation risk, punctures and places the shunt tubes under the condition of fully knowing the puncture position and the range of an operation area, does not damage the brain tissues of patients, is favorable for improving the shunt effect and reduces the incidence rate of related complications; the adjustable shunt valve controls the drainage quantity of the shunt pipe, can prevent the intracranial pressure from greatly fluctuating due to excessive drainage of cerebrospinal fluid through lumbar puncture, automatically adjusts the pressure, relieves the pressure of brain tissues, avoids the traction and fracture bleeding of the vena cava, and prevents subdural bleeding; in addition, the head end of the surgical shunt tube is not wrapped by choroid plexus, so that the shunt tube can be prevented from being blocked, the shunt is promoted, and the prognosis is improved. But at present, the adjustable shunt valve and the shunt pipe in the abdominal cavity are placed domestically, the subcutaneous layer of the abdomen is peeled off by adopting an abdomen superficial layer incision, the adjustable shunt valve is placed in the subcutaneous layer, and the shunt pipe is placed in the abdominal cavity through an abdomen puncture hole. The operation process needs anesthesia to a patient, abdominal cavity contents and peritoneum are extremely easily damaged in the operation process, great pain is also caused to the patient by traction of the hemostatic forceps, incision infection is easily caused by postoperative suture, scars caused by suture and other symptoms affecting the life quality of the patient are left on the abdomen, meanwhile, the adjustable shunt valve is extremely easy to turn over under the skin or is difficult to realize the same layer with a drainage tube of a subarachnoid cavity, the difficulty is increased for the operation, and the operation time is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable flow divider positioner of cerebrospinal fluid abdominal cavity reposition of redundant personnel art solves the prior art operation degree of difficulty big, and is chronic, and the belly incision brings new damage and painful problem for the disease.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to an adjustable shunt valve positioning device for cerebrospinal fluid abdominal cavity shunt, which comprises an outer sleeve and an inner sleeve, wherein the outer sleeve is designed into a cylindrical shape, an outer sleeve slideway I and an outer sleeve slideway II are arranged on the side wall of the cylindrical shape, and the centers of the outer sleeve slideway I and the outer sleeve slideway II are positioned on the same straight line; the inner sleeve comprises an inner sleeve cone body and an inner sleeve body, the inner sleeve cone body is fixedly connected to one end of the inner sleeve body, the other end of the inner sleeve body is embedded into an inner hole of the outer sleeve, and an inner sleeve slideway is arranged on the side wall of the inner sleeve body.

Further, the width of outer tube slide I is different with the width of outer tube slide II, the width of outer tube slide I is greater than the width of outer tube slide II, outer tube slide I link up with the whole lateral wall of outer tube after outer tube slide II communicates.

Still further, the outer diameter of the inner sleeve body is matched with the inner diameter of the outer sleeve 1.

Still further, the inner sleeve slideway is a non-open slideway, and the inner sleeve slideway is arranged at one end far away from the inner sleeve vertebral body.

Still further, the opening length of the inner sleeve slide way is 1/2-3/5 of the length of the inner sleeve body.

Furthermore, the outer sleeve and the inner sleeve are both made of stainless steel materials.

Furthermore, the outer wall of the outer sleeve is provided with scale marks, the exposed end of the outer sleeve is provided with a knurled handle, and the side wall of the knurled handle is provided with anti-skid grains.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to an adjustable flow divider positioner of cerebrospinal fluid abdominal cavity reposition of redundant personnel art, sleeve pipe and outer tube in the cooperation use, can avoid belly operation opening during the use, belly two point wicresoft, the positioner through company's research forms the subcutaneous tunnel of a same aspect, and adjustable flow divider buries the belly subcutaneous smoothly through the slide on this positioner, and a plurality of slides on the positioner can prevent its upset simultaneously, and the both sides drainage tube is external to be followed through the slide on the positioner and is buried subcutaneous. The utility model discloses think about ingenious, easy operation does not need the belly opening operation, has realized same aspect through the wicresoft, and quick location is placed adjustable flow divider, shortens the operation time, reduces the patient damage, reduces postoperative complication symptom, reduces patient's medical expense, improves patient's quality of life.

The utility model can be applied to cerebrospinal fluid abdominal cavity shunt in brain surgery, and is suitable for hydrocephalus, cerebrospinal fluid leakage, dura mater bulge and encephaledema except intracranial complications.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is an exploded view of the adjustable shunt valve positioning device for cerebrospinal fluid abdominal cavity shunt of the present invention;

FIG. 2 is a cross-sectional view of the outer sleeve of the present invention at position A-A;

FIG. 3 is a side view of the outer sleeve of the present invention;

FIG. 4 is a cross-sectional view of the position B-B of the inner sleeve of the present invention;

description of reference numerals: 1. an outer sleeve; 101. knurling the handle; 2. an outer sleeve slideway I; 3. an outer sleeve slideway II; 4. an inner sleeve; 5. an inner cannula vertebral body; 6. an inner casing slide way.

Detailed Description

As shown in fig. 1-4, an adjustable shunt valve positioning device for cerebrospinal fluid abdominal cavity shunt comprises an outer sleeve 1 and an inner sleeve 4, wherein the outer sleeve 1 is designed to be cylindrical, an outer sleeve slideway i 2 and an outer sleeve slideway ii 3 are arranged on the side wall of the cylindrical shape, and the centers of the outer sleeve slideway i 2 and the outer sleeve slideway ii 3 are located on the same straight line; the inner sleeve 4 comprises an inner sleeve cone 5 and an inner sleeve body, the inner sleeve cone 5 is fixedly connected with one end of the inner sleeve body, the other end of the inner sleeve body is embedded into an inner hole of the outer sleeve 1, and an inner sleeve slideway 6 is arranged on the side wall of the inner sleeve body. Specifically, the diameter of the large head end of the inner sleeve cone 5 is not smaller than the outer diameter of the outer sleeve 1, so that the smooth penetration process is ensured, and secondary damage to the edge is avoided.

Specifically, the width of outer tube slide I2 is different with the width of outer tube slide II 3, the width of outer tube slide I2 is greater than the width of outer tube slide II 3, link up behind outer tube slide I2 and the outer tube slide II 3 intercommunication the whole lateral wall of outer tube 1. Specifically, the width of outer tube slide I2 is 6mm, the width of outer tube slide II 3 sets up to 4mm, and this size matches with the cross diameter size of adjustable pressure flow divider.

The outer diameter of the inner sleeve body is matched with the inner diameter of the outer sleeve 1, for example, when the inner diameter of the outer sleeve 1 is set to be phi 14, the outer diameter of the inner sleeve body is also set to be phi 14, only the tolerance of the inner sleeve body and the outer sleeve body is different, and quick matching and separation are achieved after the inner sleeve body and the outer sleeve body are matched.

Specifically, as shown in fig. 1 and 4, the inner cannula slide 6 is a non-open slide, and the inner cannula slide 6 is disposed at an end away from the inner cannula vertebral body 5. The opening length of the inner sleeve slide way 6 is 1/2-3/5 of the length of the inner sleeve body, the width of the inner sleeve slide way 6 is set to be 4mm, the width of the inner sleeve slide way is consistent with the width of the outer sleeve slide way II 3, and the size of the inner sleeve slide way is matched with the transverse diameter size of the pressure-adjustable shunt valve.

Specifically, the outer sleeve 1 and the inner sleeve 4 are both made of stainless steel materials, specifically medical stainless steel 304, so that safety in the using process is guaranteed.

The outer wall of the outer sleeve 1 is provided with scale marks, and the length of the outer sleeve extending into the micropores can be directly judged through vision, so that the operation is more convenient and accurate; the outer sleeve 1 is provided with a knurled handle 101 at the exposed end, the side wall of the knurled handle 101 is provided with anti-slip lines, and the anti-slip lines can guarantee the holding degree or the clamping degree during operation, so that the anti-slip effect is achieved.

The working process of the utility model is as follows:

firstly, the outer sleeve 1 and the inner sleeve 4 are matched to form a tubular channel, wherein the total length of the outer sleeve 1 is 220mm, the total length of the inner sleeve 4 is 240mm, a supporting tunnel is formed 3-8mm below an abdominal cortex, and the embedding of the pressure-adjustable shunt valve is completed; when in use, the tubular passage is sterilized by ethylene oxide and is disposable.

The working principle is as follows: the inner sleeve 4 of the tubular channel is provided with a non-open inner sleeve slideway 6, the outer sleeve 1 is provided with an open slideway, namely, the outer sleeve slideway I2 and the outer sleeve slideway II 3 are different in width and diameter, and the pressure-adjustable flow divider is positioned and embedded in the abdominal subcutaneous layer through the separation and combination of the two sleeves and the fixed route of the slideways. Specifically, the pressure-adjustable shunt valve consists of three parts, namely a pressure-adjustable pump, a liquid storage bag and a conduit, wherein the transverse diameter of the pressure-adjustable shunt valve is between 4 and 6mm, and the longitudinal diameter of the pressure-adjustable shunt valve is wider than the pipe diameter of the inner sleeve and the outer sleeve by 1 mm; the spherical diameter of the liquid storage bag is smaller than the pipe diameters of the inner sleeve and the outer sleeve, and the pipe diameter of the conduit is smaller than 4 mm. The shunt is pushed into the outer sleeve slideway I2 by the inner sleeve slideway 6, and can be fixed in the outer sleeve slideway I2 by the outer sleeve slideway II 3 and the inner sleeve slideway 6, and then is effectively sent to the accurate position under the peritoneum by the pushing and withdrawing of the inner and outer sleeves, thereby playing a role in positioning; and the catheter can be separated from the slideway, so that the abdominal cavity and the medullary cavity can be conveniently embedded. The specific operation process is as follows:

step one, two points of wicresoft respectively before ventral side and abdomen, notice two point intervals and be less than the utility model discloses outer sleeve pipe 1's length among the positioner, get into the opposite side from one side with the positioner that outer sleeve pipe 1 and interior sleeve pipe 4 equipment formed together and wear out, form belly subcutaneous tunnel. In the operation process, as the head of the inner cannula 4 is the inner cannula vertebral body 5, the fascia and the peritoneum are broken through, and the obvious sense of breaking through is provided. When the outer sleeve 1 and the inner sleeve 4 are assembled, the outer sleeve slideway I2 and the inner sleeve slideway 6 are in the positions of departing from each other.

And step two, after the abdominal cavity is definitely entered, the inner sleeve 4 is pulled out from the outer sleeve 1, then the pressure-adjustable shunt valve is placed into the inner sleeve 4 along the inner sleeve slideway 6, the transverse diameter of the pressure-adjustable shunt valve needs to be matched with the inner sleeve slideway 6 to realize the positioning effect, the stability of the pressure-adjustable shunt valve when the pressure-adjustable shunt valve enters is ensured, and the turnover is prevented.

Step three, the inner sleeve 4 is pushed along the directions of the outer sleeve slideway I2 and the outer sleeve slideway II 3 of the outer sleeve 1, the outer sleeve 1 is withdrawn along with the inner sleeve, the pressure-adjustable flow divider valve enters the abdominal cortex and descends to a required position, and positioning is completed.

And step four, after the pressure-adjustable flow divider valve is positioned, the inner sleeve and the outer sleeve are withdrawn from two sides.

The catheter end on one side of the positioned pressure-adjustable shunt valve is connected with the cerebrospinal fluid pipe, the catheter end on the other side of the positioned pressure-adjustable shunt valve is connected with the catheter placed in the abdominal cavity, the pressure-adjustable pump is arranged in the middle of the positioned pressure-adjustable shunt valve, and the adjustment and control of the flow of the cerebrospinal fluid are carried out from the abdominal epidermis by pressing the pressure-adjustable pump, so that the aim of controllably shunting hydrocephalus is fulfilled.

The inner sleeve and the outer sleeve are arranged into a tubular shape, and are provided with an inner sleeve slideway 6 and outer sleeve slideways I2 and II 3, so that 1) the adjustable-pressure flow divider valve is fixed by matching with the outer sleeve slideway; 2) the pressure-adjustable flow divider is prevented from overturning; 3) the connecting pipe at the conduit end of the pressure-adjustable flow divider can be conveniently separated from the positioning device.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an adjustable flow divider positioner of cerebrospinal fluid abdominal cavity reposition of redundant personnel art which characterized in that: the outer sleeve slide rail device comprises an outer sleeve (1) and an inner sleeve (4), wherein the outer sleeve (1) is designed to be cylindrical, an outer sleeve slide way I (2) and an outer sleeve slide way II (3) are arranged on the side wall of the cylindrical shape, and the centers of the outer sleeve slide way I (2) and the outer sleeve slide way II (3) are positioned on the same straight line; the inner sleeve (4) comprises an inner sleeve cone body (5) and an inner sleeve body, the inner sleeve cone body (5) is fixedly connected with one end of the inner sleeve body, the other end of the inner sleeve body is embedded into an inner hole of the outer sleeve (1), and an inner sleeve slideway (6) is arranged on the side wall of the inner sleeve body.

2. The adjustable shunt valve positioning device for cerebrospinal fluid abdominal shunt according to claim 1, wherein: the width of outer tube slide I (2) and outer tube slide II (3) is different, the width of outer tube slide I (2) is greater than the width of outer tube slide II (3), link up behind outer tube slide I (2) and the outer tube slide II (3) intercommunication the whole lateral wall of outer tube (1).

3. The adjustable shunt valve positioning device for cerebrospinal fluid abdominal shunt according to claim 1, wherein: the outer diameter of the inner sleeve body is matched with the inner diameter of the outer sleeve (1).

4. The adjustable shunt valve positioning device for cerebrospinal fluid abdominal shunt according to claim 1, wherein: the inner sleeve slideway (6) is a non-open slideway, and the inner sleeve slideway (6) is arranged at one end far away from the inner sleeve vertebral body (5).

5. The adjustable shunt valve positioning device for cerebrospinal fluid abdominal shunt according to claim 4, wherein: the opening length of the inner sleeve slide way (6) is 1/2-3/5 of the length of the inner sleeve body.

6. The adjustable shunt valve positioning device for cerebrospinal fluid abdominal shunt according to claim 1, wherein: the outer sleeve (1) and the inner sleeve (4) are both made of stainless steel materials.

7. The adjustable shunt valve positioning device for cerebrospinal fluid abdominal shunt according to claim 1, wherein: the anti-skid device is characterized in that scale marks are arranged on the outer wall of the outer sleeve (1), the exposed end of the outer sleeve (1) is provided with a knurled handle (101), and anti-skid grains are arranged on the side wall of the knurled handle (101).