External ventricular drainage and monitoring catheter
By introducing a Luer connection mechanism and a fixation mechanism into the external ventricular drainage catheter, the sealing problem at the connection between the catheter and the Luer connector is solved, achieving efficient sealing and convenient disassembly, reducing the risk of infection and operational complexity.
Patent Information
- Application Number
- CN202422626350.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing external ventricular drainage catheters have poor sealing at the connection between the catheter and the Luer connector, resulting in poor drainage, risk of infection, and inconvenience in disassembly.
An external ventricular drainage and monitoring catheter was designed, employing a Luer connection mechanism and a fixing mechanism, including a tightly engaging connector, a threaded cap, and a collar. The fixing mechanism secures the drainage tube and external catheter to both sides of the Luer connection mechanism, and is equipped with a sealing cap and suture hole to improve sealing and convenience.
It improves the sealing of the connection, reduces the complexity of operation, reduces the number of insertions and removals, avoids the risk of infection, and enhances the safety and convenience of the device.
Smart Images
Figure CN223586303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drainage catheter technical field, more specifically, relate to a ventricular drainage and monitoring catheter. BACKGROUND
[0002] Ventricular drainage catheter is a kind of neurosurgery commonly used medical equipment, mainly used to monitor and treat the intracranial hypertension caused by cerebral hemorrhage, brain tumor or infection, ventricular drainage catheter as the proximal component of extracorporeal drainage and monitoring system, for guiding cerebrospinal fluid from lateral ventricle into extracorporeal drainage and monitoring system, to maintain normal intracranial pressure of patient, promote recovery, ventricular drainage catheter is often used to treat severe traumatic brain injury, subarachnoid hemorrhage and intracranial hemorrhage secondary acute hydrocephalus etc.
[0003] The pipe body of ventricular drainage catheter and the connecting place of each component need to keep high sealing, which is the prerequisite for normal use of drainage tube. Poor sealing can cause unsmooth drainage, damage the sterile environment of wound, cause infection, or cause gas to enter the human body, and serious consequences such as pneumothorax occur, in the existing ventricular drainage catheter, luer connector is often used to connect external catheter and drainage catheter, but the sealing of the connecting place of catheter and luer connector is not strong, further sealing operation is needed, there is great risk in use and it is very inconvenient to disassemble, therefore, in order to solve the above problems, a ventricular drainage and monitoring catheter is very important. SUMMARY
[0004] The technical problem solved by the utility model is to provide a ventricular drainage and monitoring catheter, which can solve the problems proposed in the background.
[0005] To solve the above technical problems, according to one aspect of the utility model, more specifically, a ventricular drainage and monitoring catheter, comprising a drainage tube, the drainage tube is clamped and connected with luer connector mechanism on one side, the luer connector mechanism is clamped and connected with external catheter on the side away from the drainage tube, the drainage tube and external catheter are tightly sleeved with fixing mechanism outside the connecting place with luer connector mechanism, the fixing mechanism is used to fix the drainage tube and external catheter on both sides of luer connector mechanism, the drainage tube is fixedly provided with bullet head at the end away from luer connector mechanism, multiple square grooves are formed in the drainage tube outside near the bullet head.
[0006] Further, the luer connecting mechanism comprises a first connector tightly sleeved on the inside of the drainage tube, a first threaded cap is fixedly arranged on one side of the first connector, a first threaded head is threadedly connected with the first threaded cap, a stopper is fixedly arranged on one side of the first threaded head, a second threaded head is fixedly arranged on one side of the stopper, and a second threaded cap is threadedly connected with the second threaded head, a second connector is fixedly arranged on one side of the second threaded cap, and the external catheter is tightly sleeved on the outside of the second connector.
[0007] Further, the fixing mechanism comprises two sleeves tightly sleeved on the outside of the drainage tube and the external catheter, clamping rings are tightly sleeved on the outside of the two sleeves, pressing blocks are fixedly arranged on the bottom of the two clamping rings, and first and second slits are respectively formed in the two clamping rings and the sleeves between the two pressing blocks.
[0008] Further, the second threaded cap is fixedly connected with a sealing cap through a spring rope, the sealing cap is made of silica gel, and the inside of the sealing cap is tightly matched with the outside of the second connector.
[0009] Further, two suture holes are formed in the inside of the two pressing blocks, and abutting surfaces are fixedly arranged on the bottom of the two pressing blocks, and the two abutting surfaces are tightly matched.
[0010] Further, a plurality of identification marks are fixedly arranged on the outside of the drainage tube and arranged at equal distances.
[0011] Further, the two sleeves are made of silica gel, and anti-skid lines are formed on the inside and outside of the two sleeves.
[0012] The brain ventricular drainage and monitoring catheter has the following beneficial effects:
[0013] By arranging the fixing mechanism and the luer connecting mechanism, when in use, the two fixing mechanisms are sleeved on the outside of the external catheter and the drainage tube, then the external catheter and the drainage tube are tightly sleeved on the two sides of the luer connecting mechanism, and then the two fixing mechanisms are moved to the outside of the connection part between the external catheter and the drainage tube and the luer connecting mechanism for extrusion fixing, so that the sealing performance is improved, the device is convenient to disassemble, and the safety of the device is improved.
[0014] By setting the luer connecting mechanism, the number of plugging times in medical operation is effectively reduced, the operation complexity is reduced, thereby time and effort cost are saved, by setting the clamping ring and the sleeve ring, the convenience of sealing and fixing operation is effectively improved, by setting the sealing cap, the luer connecting mechanism can be sealed in special circumstances, infection is avoided, by setting the suture hole, the two pressing blocks are limited and fixed by passing through the suture hole through the needle thread in use, the stability of fixing the catheter is improved, by setting the mark, medical staff can judge the length of the drainage tube, by setting the sleeve ring, damage to the outside of the catheter is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further explained in detail below by combining with the drawings and specific implementation methods.
[0016] Figure 1 It is an overall structure schematic view of the external ventricular drainage and monitoring catheter of the utility model;
[0017] Figure 2 It is an overall structure schematic view of the external ventricular drainage and monitoring catheter of the utility model;
[0018] Figure 3 It is an overall structure schematic view of the external ventricular drainage and monitoring catheter of the utility model;
[0019] Figure 4 It is an overall structure schematic view of the external ventricular drainage and monitoring catheter of the utility model;
[0020] Figure 5 It is an overall structure schematic view of the external ventricular drainage and monitoring catheter of the utility model.
[0021] In the drawing: 1, drainage tube; 10, bullet head; 11, square groove; 12, mark; 2, luer connecting mechanism; 20, first connecting head; 21, first threaded cap; 22, first threaded head; 23, stop block; 24, second threaded head; 25, second threaded cap; 26, second connecting head; 27, spring rope; 28, sealing cap; 3, fixing mechanism; 30, clamping ring; 31, sleeve ring; 32, pressing block; 33, suture hole; 34, first gap; 35, fitting surface; 36, second gap; 4, external catheter. DETAILED DESCRIPTION
[0022] In order to make the utility model technical scheme clearer, the utility model will be further explained in detail below by combining with the drawings and specific examples.
[0023] Example 1
[0024] As Figures 1-5As shown, according to one aspect of the utility model, provide a ventricular external drainage and monitoring catheter, including drainage tube 1, drainage tube 1 one side card joint has luer connection mechanism 2, luer connection mechanism 2 is away from drainage tube 1 one side card joint has external catheter 4, drainage tube 1 and external catheter 4 in the luer connection mechanism 2 connection place outside all closely set with fixed mechanism 3, fixed mechanism 3 is used for fixing drainage tube 1 and external catheter 4 in luer connection mechanism 2 both sides, drainage tube 1 is fixedly arranged with bullet head 10 in the end away from luer connection mechanism 2, the outside of drainage tube 1 is set with multiple square grooves 11 in the close bullet head 10, by setting fixed mechanism 3 and luer connection mechanism 2, when using, first, two fixed mechanisms 3 are respectively set in the outside of external catheter 4 and drainage tube 1, then external catheter 4 and drainage tube 1 are closely set in the both sides of luer connection mechanism 2, again, two fixed mechanisms 3 are respectively moved to the outside of external catheter 4 and drainage tube 1 and luer connection mechanism 2 connection place and are extruded fixed, improve the sealing property while further convenient disassembly, effectively improve the security of device.
[0025] In the embodiment, the luer connection mechanism 2 includes the first connector 20 closely fitted to the inner side of the drainage tube 1, the first connector 20 is fixedly provided with the first threaded cap 21 on one side and is threadedly connected with the first threaded head 22 through the first threaded cap 21, the first threaded head 22 is fixedly provided with the stopper 23 on one side, the stopper 23 is fixedly provided with the second threaded head 24 on one side and is threadedly connected with the second threaded cap 25 through the second threaded head 24, the second threaded cap 25 is fixedly provided with the second connector 26 on one side, and the external catheter 4 is closely fitted to the outer side of the second connector 26. By providing the luer connection mechanism 2, the number of plugging and unplugging in medical operation is effectively reduced, the operation complexity is reduced, and thus the time and energy cost are saved.
[0026] In the embodiment, the fixed mechanism 3 includes two sleeve rings 31 closely fitted to the outer sides of the drainage tube 1 and the external catheter 4, the two sleeve rings 31 are closely fitted with the clamping rings 30 on the outer sides, the two clamping rings 30 are fixedly provided with the pressing blocks 32 on the two sides of the bottom, and the first gap 34 and the second gap 36 are respectively formed between the two pressing blocks 32 and the sleeve rings 31 of the two clamping rings 30. By providing the clamping ring 30 and the sleeve ring 31, the convenience of sealing and fixing operation is effectively improved.
[0027] In the embodiment, the second threaded cap 25 is fixedly provided with the spring rope 27 on one side and is fixedly connected with the sealing cap 28 through the spring rope 27, the sealing cap 28 is made of silica gel material and is closely matched with the outer side of the second connector 26 on the inner side. By providing the sealing cap 28, the luer connection mechanism 2 can be sealed in special circumstances to avoid infection.
[0028] In the embodiment, two suture holes 33 are arranged in the inner side of the two pressing blocks 32, and two close surfaces 35 are fixedly arranged at the bottom of the two pressing blocks 32, and the two close surfaces 35 are tightly matched. By arranging the suture holes 33, the two pressing blocks 32 are fixed by needle thread in use, so that the stability of the catheter is improved.
[0029] In the embodiment, a plurality of marks 12 are arranged at the outer side of the drainage tube 1 close to the bullet head 10, so that the length of the drainage tube 1 is easily determined by medical staff.
[0030] In the embodiment, the two sleeves 31 are made of silica gel, and the inner and outer sides of the two sleeves 31 are provided with anti-skid lines, so that the damage to the outer side of the catheter is avoided by arranging the sleeves 31.
[0031] The above embodiments only express several embodiments of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. An external ventricular drain and monitoring catheter comprising a drain tube (1), characterized in that: The drainage tube (1) is clamped and connected with a luer connector (2) on one side, the luer connector (2) is clamped and connected with an external catheter (4) on the side away from the drainage tube (1), the drainage tube (1) and the external catheter (4) are tightly sleeved with a fixing mechanism (3) on the outside of the luer connector (2), the fixing mechanism (3) is used for fixing the drainage tube (1) and the external catheter (4) on both sides of the luer connector (2), the drainage tube (1) is fixedly provided with a bullet head (10) at the end away from the luer connector (2), and a plurality of square grooves (11) are formed in the outer side of the drainage tube (1) close to the bullet head (10).
2. An external ventricular drain and monitoring catheter according to claim 1, wherein: The luer connector (2) comprises a first connector (20) tightly clamped on the inner side of the drainage tube (1), a first threaded cap (21) is fixedly arranged on one side of the first connector (20), and a first threaded head (22) is threadedly connected with the first threaded cap (21), a stop block (23) is fixedly arranged on one side of the first threaded head (22), a second threaded head (24) is fixedly arranged on one side of the stop block (23), and a second threaded cap (25) is threadedly connected with the second threaded head (24), a second connector (26) is fixedly arranged on one side of the second threaded cap (25), and the external catheter (4) is tightly sleeved on the outer side of the second connector (26).
3. An external ventricular drain and monitoring catheter according to claim 2, wherein: The fixing mechanism (3) comprises two sleeve rings (31) tightly sleeved on the outer sides of the drainage tube (1) and the external catheter (4), the two sleeve rings (31) are tightly sleeved with clamping rings (30) on the outer sides, the two clamping rings (30) are fixedly provided with pressing blocks (32) on both sides of the bottom, and the two clamping rings (30) and the sleeve rings (31) are respectively provided with a first gap (34) and a second gap (36) between the two pressing blocks (32).
4. An external ventricular drain and monitoring catheter according to claim 2, wherein: The second threaded cap (25) is fixedly provided with a spring rope (27) on one side and fixedly connected with a sealing cap (28) through the spring rope (27), the sealing cap (28) is made of silica gel and tightly matches the outer side of the second connector (26) on the inner side.
5. An external ventricular drain and monitoring catheter according to claim 3, wherein: Two pressing blocks (32) are provided with two suture holes (33) on the inner sides, and two pressing blocks (32) are fixedly provided with abutting surfaces (35) on the bottom, and the two abutting surfaces (35) tightly match.
6. An external ventricular drain and monitoring catheter according to claim 1, wherein: A plurality of identification marks (12) are fixedly arranged on the outer side of the drainage tube (1) close to the bullet head (10).
7. An external ventricular drain and monitoring catheter according to claim 5, wherein: The two sleeve rings (31) are made of silica gel, and the inner and outer sides of the two sleeve rings (31) are provided with anti-skid lines.