Moldable ventricular and abdominal shunt flow strip

Abstract

The utility model discloses a shapeable ventricular and abdominal shunt flow strip. Relates to the technical field of medical instruments. Comprising a cleaning rod sleeve, a cleaning rod core and a matched bending device, the cleaning rod sleeve is of a flexible tubular structure which is provided with openings in the two ends and can be bent, a steel wire mesh is embedded in the tubular structure, the outer layer of the sleeve is made of a polytetrafluoroethylene material, stimulation to in-vivo tissue and friction are reduced, and excessive damage to subcutaneous tissue can be avoided; the cleaning rod core is of a hard solid structure, the individualized cleaning rod shape can be set through a specially-configured bending device in the operation, and the cleaning rod core is sleeved with the flexible sleeve to form a complete and shaped cleaning rod assembly. After a subcutaneous tunnel is broken through by the cleaning rod assembly, the tube core is pulled out, and the ventricular and abdominal shunt tube can smoothly pass through the smooth wall surface in the flexible tube sleeve. According to the utility model, the rigid moldable cleaning rod core is matched with the flexible cleaning rod sleeve to break through a subcutaneous tunnel, and the shape of the cleaning rod is more matched with that of the subcutaneous tunnel by virtue of individualized shaping in an operation, so that the excessive damage to subcutaneous soft tissues due to incapability of conformity is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a plastic ventriculoperitoneal shunt strip. Background Art

[0002] Ventriculoperitoneal shunt surgery is a commonly used surgery to treat hydrocephalus, the purpose of which is to drain cerebrospinal fluid from the ventricles to the abdominal cavity to relieve intracranial pressure. In this procedure, a cleaning rod is needed to create a subcutaneous tunnel from the head to the abdomen to facilitate the smooth passage of the shunt tube. However, there are some limitations in the design of traditional cleaning rods, mainly manifested in: Rigid structure: Traditional cleaning rods are usually made of stainless steel, with a rigid structure and cannot be bent, which makes it difficult to use in areas that require bending, such as the neck and behind the ears. Repeated puncture: Since the cleaning rod cannot be bent, the doctor needs to repeatedly puncture the subcutaneous tissue to reach the desired position, which increases the operation time and the patient's pain. Subcutaneous injury: Straight and hard cleaning rods are prone to excessive subcutaneous tissue injury when passing through the subcutaneous tunnel, resulting in large areas of cyanotic hematoma in patients after surgery. Safety risks: Straight and hard cleaning rods are difficult to control during operation and there is a risk of penetrating important organs or blood vessels, especially in critical areas such as the entrance to the chest cavity.

[0003] Although there are many designs of ventriculoperitoneal shunt cleaning rods on the market, most of them still use rigid stainless steel tube structures. Although these traditional cleaning rods can meet the needs of shunt surgery to a certain extent, they still have the limitations and risks mentioned above. Therefore, there is an urgent need for a bendable cleaning rod to avoid damage to the subcutaneous soft tissue during puncture. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic ventriculoperitoneal shunt cleaning rod to solve the problems existing in the above-mentioned prior art. A rigid plastic cleaning rod core is used in conjunction with a flexible cleaning rod sleeve for puncture. The cleaning rod can be bent and shaped into a desired shape. The personalized shape adjustment ensures a high degree of fit between the cleaning rod and the subcutaneous tunnel, effectively avoiding excessive soft tissue damage caused by shape mismatch and improving the accuracy and safety of the operation.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a ventriculoperitoneal shunt strip, comprising:

[0007] Bender: It is used to shape the hard solid structure of the cleaning rod core. The bender of the utility model is designed to accurately customize the shape of the hard solid cleaning rod core to meet the needs of different anatomical structures. The bender adopts a high-precision adjustment mechanism, allowing the doctor to finely adjust the angle and bend the cleaning rod core according to the needs of the operation.

[0008] The bender of the utility model is equipped with two auxiliary adjustment rollers on the bottom plate, and two adjustment columns are provided on one side of the gap between the two auxiliary adjustment rollers. The cleaning rod core is passed through the gap between the two auxiliary adjustment rollers, and then the cleaning rod core is manually or automatically bent and adjusted through the two adjustment columns to achieve the adjustment and shaping of the cleaning rod core. An angle sensor can be provided on the bender to detect the bending angle of the cleaning rod core, so as to ensure that the cleaning rod core can be accurately shaped according to the predetermined shape. Through the specially designed two auxiliary adjustment rollers and adjustment columns, the bender can maintain the stability of the cleaning rod core during the shaping process while minimizing damage to the material. In addition, the design of the bender takes into account the coordinated use with the cleaning rod sleeve, ensuring that once the cleaning rod core is shaped and inserted into the sleeve, the entire cleaning rod assembly can successfully complete the construction of the subcutaneous tunnel without affecting the final placement of the shunt tube.

[0009] The cleaning rod sleeve is a flexible tubular structure with two ends open and capable of bending. The cleaning rod sleeve comprises a tubular first flexible layer and a tubular second flexible layer. A steel wire mesh is filled between the first flexible layer and the second flexible layer. The inner wall of the second flexible layer is a smooth structure. The cleaning rod sleeve of the utility model has strong plasticity and can avoid damage to subcutaneous tissue.

[0010] The cleaning rod core can be formed into a set shape in cooperation with the bender, passed through the auxiliary pulley of the bender, and passed through the two bending columns of the bender again. According to the required shape, the cleaning rod core is bent in the process of passing through the cleaning rod core in sequence, so that it is finally formed into the required specific curved shape, and the cleaning rod core can be inserted into the cleaning rod sleeve to finally form a cleaning rod that can be shaped into a specific shape, and drive the cleaning rod sleeve to construct a subcutaneous tunnel between the head incision and the abdominal incision. The hard cleaning rod core provides propulsion during the puncture process, and the outer cleaning rod sleeve avoids direct contact between the hard cleaning rod core and the subcutaneous tissue. When in use, by combining the rigid but plastic cleaning rod core with the soft cleaning rod sleeve, efficient puncture of the subcutaneous tunnel is achieved. At the same time, personalized shape adjustment ensures a high degree of fit between the cleaning rod and the subcutaneous tunnel, effectively avoiding excessive soft tissue damage caused by shape mismatch, and improving the accuracy and safety of the operation.

[0011] Optionally, a handle is further included, one end of which is provided with a connecting portion, which can be fixedly connected to one end of the cleaning rod sleeve and one end of the cleaning rod core respectively. The handle of the utility model has a shape that is easy to hold, and the outer wall of the handle has a smoothly undulating curved surface structure, which is more closely aligned with the curved surface of the human palm, thereby increasing the gripping feel and gripping stability. It is more comfortable to hold than the current cleaning rods, and is easier to hold and assists in the advancement of the cleaning rod.

[0012] Optionally, the connecting portion includes a connecting column fixedly arranged at one end of the handle, a limiting groove being provided at the end of the connecting column, one end of the cleaning rod sleeve being able to be fixedly sleeved on the connecting column, and one end of the cleaning rod core being able to be fixedly inserted into the limiting groove.

[0013] Optionally, an external thread is provided on the outer wall of the connecting column, an internal thread is provided on the inner wall of one end of the cleaning rod sleeve, and the connecting column is fixedly connected to one end of the cleaning rod sleeve by threads.

[0014] Optionally, an inner wall of the limiting groove is provided with an internal thread, an outer wall of one end of the cleaning rod core is provided with an external thread, and one end of the cleaning rod core is fixedly connected to the limiting groove thread.

[0015] Optionally, the end of the cleaning rod core away from the handle is a gradually changing smooth curved surface structure, and the end of the cleaning rod core away from the handle can fit with the inner wall of the end of the cleaning rod sleeve away from the handle.

[0016] Optionally, a through hole is formed at one end of the cleaning rod core away from the handle, and the through hole can be fixedly connected to one end of the shunt tube.

[0017] Optionally, the first flexible layer and the second flexible layer are made of polytetrafluoroethylene material to minimize stimulation and friction to body tissues and significantly reduce damage to subcutaneous tissues.

[0018] Optionally, the cleaning rod core includes a head section cleaning rod core and an abdominal section cleaning rod core, the abdominal section cleaning rod core is a straight structure, and the head section cleaning rod core is a smooth arc structure; the head section cleaning rod core is equipped with a head section cleaning rod sleeve, and the abdominal section cleaning rod core is equipped with an abdominal section cleaning rod sleeve.

[0019] Compared with the prior art, the utility model has achieved the following technical effects:

[0020] The utility model adopts a cleaning rod core and a cleaning rod sleeve to form a flexible cleaning rod sleeve with good plasticity, which avoids the problem that the rigid straight cleaning rod cannot bend adaptively at the bend of the subcutaneous tunnel, resulting in excessive subcutaneous soft tissue damage. The cleaning rod core adopts a hard iron core, which can be shaped by a bending device. During the operation, the individualized cleaning rod shape can be set by a specially configured bender, and after being inserted into the flexible sleeve, a complete and shaped cleaning rod assembly is formed to construct a subcutaneous tunnel. After the subcutaneous tunnel is opened, the cleaning rod core is withdrawn, and the ventriculoperitoneal shunt tube can be smoothly passed through the smooth wall inside the flexible sleeve; the utility model adopts a rigid and plastic cleaning rod core in combination with a flexible cleaning rod sleeve to open the subcutaneous tunnel. During the operation, with the help of individualized shaping, the cleaning rod is more matched with the subcutaneous tunnel shape, avoiding excessive damage to the subcutaneous soft tissue due to the inability to conform. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the structure of the head section cleaning rod of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the head section cleaning rod core of the utility model;

[0024] Figure 3 This is a schematic diagram of the abdominal cleaning rod sleeve structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the abdominal cleaning rod core of the utility model;

[0026] Figure 5 It is a schematic diagram of the clamping position of the end of the cleaning rod core and the inner wall of the cleaning rod sleeve of the utility model;

[0027] Figure 6 This is a schematic diagram of the handle of the utility model;

[0028] Figure 7 This is a schematic diagram of the structure of the bender of the utility model;

[0029] Figure 8 This is a schematic diagram of the cooperation between the head cleaning rod and the handle of the utility model.

[0030] In the figure: 1-handle, 101-connecting column, 102-limiting groove, 2-cleaning rod sleeve, 3-cleaning rod core, 301-through hole, 4-external thread, 5-internal thread, 6-bender. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The purpose of the utility model is to provide a plastic ventriculoperitoneal shunt cleaning rod to solve the problems existing in the above-mentioned prior art. A rigid plastic cleaning rod core is used in conjunction with a flexible cleaning rod sleeve for puncture. The cleaning rod can be bent and shaped into a desired shape. The personalized shape adjustment ensures a high degree of fit between the cleaning rod and the subcutaneous tunnel, effectively avoiding excessive soft tissue damage caused by shape mismatch and improving the accuracy and safety of the operation.

[0033] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] Ventriculoperitoneal shunt surgery requires the use of a shunt tube to construct a subcutaneous tunnel. The existing shunt tube is a stainless steel pipe about 80 cm long. The steel pipe is a hard structure and cannot be bent. When the subcutaneous tunnel is made from the abdomen to the head, it will bend at the neck and behind the ears. At this time, the straight hard cleaning rod cannot be bent, resulting in repeated penetration under the skin to open the subcutaneous tunnel to the expected position. As a result, patients often develop large areas of purple hematoma under the skin after surgery, causing great pain to the patients. Based on this defect, the utility model designs a new plastic cleaning rod structure, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, the cleaning rod of the utility model is divided into a head section cleaning rod and an abdominal section cleaning rod, both of which respectively include a cleaning rod sleeve 2 and a cleaning rod core 3. The cleaning rod sleeve 2 of the utility model is a flexible tubular structure with openings at both ends and capable of bending; the cleaning rod core 3 is a hard solid structure with good plasticity, and can be personalized in shape using a matching bender, and it can be inserted into the cleaning rod sleeve 2 to form an integrated cleaning rod device, and drive the cleaning rod sleeve 2 to construct a subcutaneous tunnel between the head incision and the abdominal incision, the hard cleaning rod core 3 provides a propulsion force during the puncture process, and the cleaning rod sleeve 2 is covered to avoid direct contact between the hard cleaning rod core 3 and the subcutaneous tissue, when in use, the hard cleaning rod core 3 can be pre-bent by using a bender 6 at the head end according to the surface shape of the skull bone, and the soft cleaning rod sleeve 2 is inserted to perform individualized, low-traumatic surgery on the subscalp tunnel, the bender 6 of the utility model adopts an existing structure, which can realize the bending of the hard cleaning rod core 3, so the bender is not introduced in detail. In the abdominal section, the head cleaning rod core 3 can be appropriately bent to guide the subcutaneous cleaning rod to pass smoothly through the neck and the bend behind the ear, reducing repeated subcutaneous tunneling in order to pass smoothly through the bend. The personalized shape adjustment ensures a high degree of fit between the cleaning rod and the subcutaneous tunnel, effectively avoiding excessive soft tissue damage caused by shape mismatch, avoiding excessive subcutaneous soft tissue injury, and even avoiding the risk of accidentally inserting the cleaning rod into the chest cavity in extreme cases, thereby improving the accuracy and safety of the operation.

[0035] In order to facilitate the application of force during the construction of the subcutaneous tunnel and facilitate the use by doctors, the utility model has a unique design of a handle 1. The outer wall of the handle 1 is a smooth undulating structure, which is comfortable for the doctor's palm to hold and is convenient for applying a propulsion force to the cleaning rod. A connecting portion is provided at one end of the handle 1, which can be fixedly connected to one end of the cleaning rod sleeve 2 and one end of the cleaning rod core 3 respectively. The shape of the handle 1 of the utility model is convenient for holding, and is more comfortable to hold than the current cleaning rod, and is convenient for holding and assisting the propulsion of the cleaning rod. When working, the doctor fixes one end of the handle 1 with the cleaning rod sleeve 2 and the cleaning rod core 3 of the cleaning rod respectively, and then holds the handle 1 to push the cleaning rod to construct the subcutaneous tunnel.

[0036] In order to make the connection between the handle 1 and the cleaning rod more stable and avoid falling off during work, the utility model designs the connecting part as a connecting column 101 fixedly arranged at one end of the handle 1, and a limiting groove 102 is provided at the end of the connecting column 101, one end of the cleaning rod sleeve 2 can be fixedly sleeved on the connecting column 101, and one end of the cleaning rod core 3 can be fixedly inserted in the limiting groove 102, so that the cleaning rod sleeve 2 and the cleaning rod core 3 will not interfere with each other, and the handle 1 can simultaneously push the cleaning rod sleeve 2 and the cleaning rod core 3 sleeved in the cleaning rod sleeve 2 to move forward. Since the handle 1 and the cleaning rod are detachable structures, the choice of the connection method between the two is particularly important. It is necessary to ensure that the connection is firm and reliable enough under the premise that it can be disassembled. Based on this, in one embodiment of the utility model, a threaded connection structure is adopted to achieve this function, an external thread 4 is provided on the outer wall of the connecting column 101, and an internal thread 5 is provided on the inner wall of one end of the cleaning rod sleeve 2, and the connecting column 101 is threadedly fixedly connected with one end of the cleaning rod sleeve 2. An internal thread 5 is provided on the inner wall of the limiting groove 102, and an external thread 4 is provided on the outer wall of one end of the cleaning rod core 3. One end of the cleaning rod core 3 is threadedly fixedly connected to the limiting groove 102, and the handle 1 is detachably and firmly connected with the cleaning rod sleeve 2 and the cleaning rod core 3 by means of threaded connection.

[0037] The connection method between the cleaning rod and the handle 1 is not specifically limited. In other embodiments, the cleaning rod sleeve 2 and the cleaning rod core 3 can be riveted to the corresponding positions of the handle 1 by interference fit, or a snap-fit ​​connection method can be used, with a slot provided at one end of the handle 1 and snaps provided at one end of the cleaning rod sleeve 2 and the cleaning rod core 3, respectively, to achieve a snap-fit ​​connection between the two.

[0038] The utility model cleaning rod sleeve 2 is made of a medical bendable tube containing a steel mesh, including a tubular first flexible layer and a tubular second flexible layer, a steel mesh is filled between the first flexible layer and the second flexible layer, the first flexible layer located at the outermost part is made of polytetrafluoroethylene material, has excellent chemical stability and low friction coefficient, and has good biocompatibility and a smooth surface to reduce stimulation to body tissues and reduce friction, and the first flexible layer and the second flexible layer of the cleaning rod sleeve 2 are designed by using the above-mentioned material, which can minimize stimulation and friction to body tissues, significantly reduce damage to subcutaneous tissues, and the inner wall of the second flexible layer is a smooth structure, which is convenient for the passage of the cleaning rod core and the shunt tube. The steel mesh layer is used to provide support and shape-keeping ability of the pipeline, while allowing a certain degree of bending. The steel mesh is made of stainless steel wire mesh, which has good strength and corrosion resistance and is suitable for a variety of medical environments. In another preferred embodiment, the steel mesh can also be made of nickel-titanium alloy mesh, which has the characteristics of superelasticity and memory shape, and is suitable for application scenarios that require high bending. The second flexible layer located inside is made of polyethylene material. The cleaning rod sleeve 2 of the utility model adopts the above structure, which has good flexibility and plasticity and can be bent appropriately according to the shapes of the skull and the neck.

[0039] Since the cleaning rod sleeve 2 of the utility model is a flexible structure, in order to achieve the puncture function, the utility model designs the cleaning rod core 3 as a rigid structure. The cleaning rod core 3 is made of stainless steel solid wire, which is tough. The cleaning rod core 3 can be molded into a subcutaneous tunnel, especially the best shape of a subscalp tunnel, through a bender. After the cleaning rod sleeve 2 is inserted, the cleaning rod sleeve 2 becomes tough and has a specific shape. After the skin tunnel is opened, the cleaning rod core 3 is pulled out to leave the cleaning rod sleeve 2. The shunt tube is introduced into the cleaning rod sleeve 2. After the cleaning rod sleeve 2 is withdrawn, the shunt tube can be left subcutaneously. Because the cleaning rod sleeve 2 has a certain flexibility, the soft tissue damage caused by the previous rigid tube sleeve to the subcutaneous tissue is avoided. The side wall of the end of the cleaning rod core 3 away from the handle 1 of the utility model can be perfectly clamped on the inner wall of the end of the cleaning rod sleeve 2 away from the handle 1, so that the cleaning rod sleeve 2 can move synchronously with the cleaning rod core 3 during the puncture process, thereby avoiding the cleaning rod sleeve 2 from separating from the cleaning rod core 3 backwards during the movement. At the same time, the utility model preferably makes the end of the cleaning rod core 3 away from the handle 1 a gradually smooth curved surface structure, and its round shield-shaped tip will not cause cutting injuries to subcutaneous tissue and blood vessels during the construction of the subcutaneous tunnel.

[0040] In order to facilitate the smooth insertion of the shunt tube into the constructed subcutaneous tunnel, the utility model has a through hole 301 at the end of the cleaning rod core 3 away from the handle 1, and the through hole 301 can sew and fix the shunt tube to the cleaning rod core 3 and pass through the subcutaneous tunnel. When in use, after the subcutaneous tunnel is successfully constructed with the cleaning rod, the cleaning rod core 3 is taken out, and the cleaning rod sleeve 2 is kept stationary under the skin. After the shunt tube is tied, the cleaning rod core 3 is used to drive the shunt tube to move along the cleaning rod sleeve 2 at the subcutaneous tunnel. After the passage is completed, the binding relationship between the cleaning rod core 3 and the shunt tube is released, and then the cleaning rod core 3 and the cleaning rod sleeve 2 are pulled out in turn, so that the shunt tube can be successfully placed in the subcutaneous tunnel.

[0041] In order to make the cleaning rod more targeted, the utility model divides the cleaning rod into two sections, including a head section and an abdominal section, which are designed respectively according to the anatomical structures of different parts to improve the accuracy and safety of the operation. The head section cleaning rod and the abdominal section cleaning rod respectively include a cleaning rod core 3 and a matching cleaning rod sleeve 2, wherein the abdominal section cleaning rod core 3 is a straight structure, and the head section cleaning rod core 3 is a smooth arc structure; the head section cleaning rod core 3 is matched with a head section cleaning rod sleeve 2, and the abdominal section cleaning rod core 3 is matched with an abdominal section cleaning rod sleeve 2.

[0042] Existing straight hard cleaning rod, when opening subcutaneous tunnel, owing to being unable to adapt to the bending of human anatomical structure, easily causes excessive damage of subcutaneous tissue.At key positions such as skull curve, area behind ear, neck turn and thoracic inlet, because straight hard cleaning rod can not be properly bent, may increase surgical risk, as serious complications such as pneumothorax.The flexibility of straight hard cleaning rod when operating is not enough, causes the operation difficulty to increase, affects the operation efficiency and effect.In the operation, in order to adapt to the bending of anatomical structure, cleaning rod needs to be bent, but existing straight hard cleaning rod easily breaks after repeated bending, affects operation safety and efficiency.Simultaneously, after inserting cleaning rod core 3, cleaning rod can not be bent, even use very big power, also limits the flexibility of operation. The flexible and plastic ventriculoperitoneal shunt cleaning rod provided by the utility model has a cleaning rod sleeve 2 which is a flexible tube structure. At the same time, its built-in wire mesh can make it have the flexible bending performance of a flexible tube. After being bent into a specific shape, the shape can be maintained when the external force is removed, that is, it is easy to plasticize. The hard cleaning rod core 3 is convenient for providing a propulsion force for constructing a subcutaneous tunnel. At the same time, it can be pre-folded into a specific curved surface shape using an existing bender before use. It has good plasticity. Therefore, the utility model can perform appropriate shaping according to the curvature of the human anatomical structure, thereby reducing subcutaneous injuries, improving surgical safety, and enhancing operational convenience. At the same time, the problem of cleaning rod breakage is solved, and the flexibility and safety of the operation are increased.

[0043] The utility model designs the cleaning rod separately, and divides it into a head section cleaning rod and an abdominal section cleaning rod. The head section cleaning rod is short and has a smooth arc structure, and the abdominal section cleaning rod is long and has a straight structure. The design adopts a hard stainless steel core 3, which can be shaped by a bending device and inserted into a relatively soft cleaning rod sleeve 2. The end of the cleaning rod core 3 away from the handle 1 can perfectly pass through and clamp on the inner wall of the end of the cleaning rod sleeve 2 away from the handle 1. The cleaning rod core 3 penetrates the cleaning rod sleeve 2, and the two are respectively connected to the handle 1, and then a subcutaneous tunnel is constructed. After the subcutaneous tunnel is opened, the cleaning rod core 3 is withdrawn, and one end of the shunt tube is tied at the through hole 301, and the shunt tube can be passed along the cleaning rod sleeve 2 using the cleaning rod core 3. The cleaning rod sleeve 2 of the utility model can be bent to adapt to the bending of the skull plane and the bending of the neck, thereby reducing subcutaneous injuries.

[0044] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A shapeable ventriculoperitoneal shunt strip, characterized in that: include: Benders, which are used to shape the core of the cleaning rod of hard solid structure; The cleaning rod sleeve is a flexible tubular structure with two ends open and capable of bending; the cleaning rod sleeve comprises a tubular first flexible layer and a tubular second flexible layer, a steel mesh is filled between the first flexible layer and the second flexible layer, and the inner wall of the second flexible layer is a smooth structure; The cleaning rod core can be formed into a set shape in cooperation with the bender, and can be inserted into the cleaning rod sleeve and drive the cleaning rod sleeve to construct a subcutaneous tunnel between the head incision and the abdominal incision.

2. The shapeable ventriculoperitoneal shunt strip according to claim 1, characterized in that: It also includes a handle, one end of which is provided with a connecting portion, which can be fixedly connected to one end of the cleaning rod sleeve and one end of the cleaning rod core respectively.

3. The shapeable ventriculoperitoneal shunt strip according to claim 2, characterized in that: The connecting part includes a connecting column fixedly arranged at one end of the handle, and a limiting groove is arranged at the end of the connecting column. One end of the cleaning rod sleeve can be fixedly sleeved on the connecting column, and one end of the cleaning rod core can be fixedly inserted into the limiting groove.

4. The shapeable ventriculoperitoneal shunt strip according to claim 3, characterized in that: An external thread is provided on the outer wall of the connecting column, an internal thread is provided on the inner wall of one end of the cleaning rod sleeve, and the connecting column is fixedly connected with one end of the cleaning rod sleeve through threads.

5. The shapeable ventriculoperitoneal shunt strip according to claim 3, characterized in that: An inner wall of the limiting groove is provided with an internal thread, an outer wall of one end of the cleaning rod core is provided with an external thread, and one end of the cleaning rod core is fixedly connected with the limiting groove thread.

6. The shapeable ventriculoperitoneal shunt strip according to claim 2, characterized in that: The end of the cleaning rod core away from the handle is a gradually changing smooth curved surface structure, and the end of the cleaning rod core away from the handle can be fitted with the inner wall of the end of the cleaning rod sleeve away from the handle.

7. The shapeable ventriculoperitoneal shunt strip according to claim 2, characterized in that: A through hole is formed at one end of the cleaning rod core away from the handle, and the through hole can be fixedly connected to one end of the shunt tube.

8. The shapeable ventriculoperitoneal shunt strip according to claim 1, characterized in that: The first flexible layer and the second flexible layer are made of polytetrafluoroethylene material.

9. The shapeable ventriculoperitoneal shunt strip according to claim 1, characterized in that: The cleaning rod core comprises a head section cleaning rod core and an abdominal section cleaning rod core, wherein the abdominal section cleaning rod core is a straight structure, and the head section cleaning rod core is a smooth arc structure; the head section cleaning rod core is equipped with a head section cleaning rod sleeve, and the abdominal section cleaning rod core is equipped with an abdominal section cleaning rod sleeve.

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