CN216963329U

CN216963329U - Accurate fixing device of penis radiotherapy

Info

Publication number: CN216963329U
Application number: CN202120446835.5U
Authority: CN
Inventors: 李强; 贾勇士; 刘化新; 李国栋
Original assignee: Zhejiang Provincial Peoples Hospital
Current assignee: Zhejiang Provincial Peoples Hospital
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-07-15
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses an accurate penis radiotherapy fixing device which comprises a fixing rod, wherein a lower convex block and an upper convex block are fixedly connected to the bottom surface and the top surface of the fixing rod respectively, the other end of the upper convex block is embedded and sleeved with a base, the top surface of the base is provided with a groove, a lifting column is sleeved in the groove in a sliding mode, the rear side wall of the lifting column is provided with a clamping groove, the rear side wall of the base is provided with a shell, a limiting rod is sleeved in the shell in a penetrating mode, one end of the limiting rod is fixedly connected with a pull block, and the other end of the limiting rod extends into the groove. This fixing device can improve patient's comfort level, and the penis is difficult for removing during radiotherapy simultaneously, has increased treatment, has reduced radiotherapy technician's the work degree of difficulty, and can reduce the error of putting, has realized accurate radiotherapy, and repeatability and stability are better when the radiotherapy of gradation can satisfy different patients ' operation requirement simultaneously, have universal applicability.

Description

Accurate fixing device of penis radiotherapy

Technical Field

The utility model relates to the field of medical instruments, in particular to a precise fixing device for penis radiotherapy.

Background

The penile cancer is malignant tumor originated from inner plate mucosa of glans penis, coronary sulcus and foreskin and penis skin, is the most common malignant tumor of penis, accounts for more than 90% of penile tumor, the most common pathological type is squamous cell carcinoma of penis, accounts for about 95% of penile cancer, penile cancer generally takes operation treatment as the main part, but for patients of T1-T2, especially young patients who want to retain function, the radiation treatment is recommended, the local control rate and survival rate are similar to the operation treatment effect, and the radiotherapy of early penile cancer can retain penis and maintain the function;

General penis fixing device in market has not only increased the error of putting, patient's comfort level has been reduced, and improved the work degree of difficulty of radiotherapy technician, can't realize accurate radiotherapy, make treatment poor, and general penis fixing device does not have universal relevance nature, different patients can't be according to the actual conditions adjusting device of oneself, repeatability is relatively poor with stability when fractionated radiotherapy, can't satisfy different patients 'user demand, inconvenient in use's problem has been brought, for this reason, we propose the accurate fixing device of penis radiotherapy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a penis radiotherapy precise fixing device, which solves the problems that a general penis fixing device provided in the background technology not only increases the positioning error and reduces the comfort degree of a patient, but also improves the working difficulty of a radiotherapy technician, and cannot realize precise radiotherapy, so that the treatment effect is poor, the general penis fixing device has no universal applicability, different patients cannot adjust the device according to the actual conditions of the patients, the repeatability and the stability are poor when radiotherapy is performed in different times, the use requirements of different patients cannot be met, and the use is inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an accurate fixing device of penis radiotherapy, includes the dead lever, the rigid coupling has lower lug and epirelief piece respectively on dead lever bottom surface and the top surface, the base has been cup jointed to the other end gomphosis of going up the lug, set up flutedly on the top surface of base, it has cup jointed the lift post to slide in the recess, seted up the draw-in groove on the back lateral wall of lift post, and install the casing on the back lateral wall of base, link up in the casing and cup jointed the gag lever post, the one end rigid coupling of gag lever post has drawn the piece, the other end of gag lever post extends to in the recess, and the draw-in end of gag lever post cup joints with the draw-in groove gomphosis of lift post, and is located the fixed cover on the gag lever post in the casing and has connect solid fixed ring, install the spring on solid fixed ring's the lateral wall, the other end of spring and the inside wall rigid coupling of casing, and spring and gag lever post slip cup joint.

Preferably, the top surface of the lifting column is fixedly connected with a platform in a meshing way, the top surface of the platform is provided with a transverse sliding rod, a support rod is sleeved on the side wall of the transverse sliding rod in a sliding manner, a locking knob is sleeved on the top surface of the support rod in a meshing manner, the bottom end of the locking knob is in contact connection with the top surface of the transverse sliding rod, and the end surface of the support rod is internally provided with a chute, the side wall of the chute is fixedly connected with a telescopic rod, the telescopic rod is sleeved with the chute in a sliding way, the other end of the telescopic rod extends out of the chute, a connecting block is fixedly connected with the extending end of the telescopic rod, the top surface of the connecting block is fixedly connected with a connecting plate, the connecting plate is rotatably sleeved with a bidirectional screw rod, the penis clamping plate is characterized in that a connecting rod is meshed and sleeved on the side wall of the bidirectional screw rod, a penis clamping plate is installed at the other end of the connecting rod, and medical silica gel is fixedly connected to the inner side wall of the penis clamping plate.

Preferably, the limiting rod is in sliding sleeve connection with the base, and a mark is arranged on the right side wall of the lifting column.

Preferably, the pull block drives the limiting rod to move through the shell, the fixing ring and the spring, a fixing groove is formed in the bottom surface of the base, and the fixing groove is in embedded connection with the upper protruding block.

Preferably, the side walls of the transverse sliding rod and the telescopic rod are provided with graduated scales, and the end face of the bidirectional screw rod is fixedly sleeved with an adjusting knob.

Preferably, connecting rod, penis splint and medical silica gel all are provided with two, and two connecting rods, penis splint and medical silica gel set up about the telescopic link symmetry respectively.

Compared with the prior art, the utility model has the beneficial effects that:

the fixing device clamps the penis between two medical silica gels through the lower convex block on the fixing rod in the limiting holes at two sides of the linear accelerator treatment bed, then clamps the fixing groove on the base with the upper convex block to achieve the aim of placing the penis between the two medical silica gels, and then rotates the adjusting knob on the two-way lead screw to rotate the two-way lead screw, so that the connecting rod on the two-way lead screw moves oppositely, the connecting rod drives the penis clamping plate to move oppositely, the medical silica gel on the penis clamping plate clamps the penis to achieve the aim of primarily fixing the penis, the medical silica gel has no irritation to human tissues, is non-toxic, has little allergic reaction and organism rejection reaction, has good physicochemical characteristics, can keep the original elasticity and softness in the process of contacting with the penis, improves the comfort level of a patient, meanwhile, the penis is not easy to move during radiotherapy, the treatment effect is increased, and the working difficulty of a radiotherapy technician is reduced, the penis clamping plate is provided with five sizes so as to adapt to different patients, so that the adaptability of the device is improved;

The fixing device pulls the limiting rod to extend out of the groove through the pulling block, so that the limiting rod is free from binding the lifting column, meanwhile, the fixing ring on the limiting rod stretches the spring, the spring stores elastic potential energy, the resetting of the limiting rod is convenient, the lifting column is lifted up and lifted up, the requirement of a patient on the Z-axis height is met, then the supporting rod on the transverse sliding rod is pulled, the supporting rod is translated, the locking knob is screwed down simultaneously, the transverse sliding rod is extruded by the locking knob, the purpose of increasing the friction force is achieved, the position of an X-axis is fixed, the telescopic rod is started again, the telescopic rod pushes or pulls the connecting block, the purpose of adjusting the Y-axis is achieved, the position of a penis on the space can be accurately regulated and controlled, the purpose of reducing the placing error is achieved, accurate radiotherapy is achieved, the repeatability and stability are good during fractional radiotherapy, and the use requirements of different patients can be met simultaneously, has universal applicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side cross-sectional view of the base structure of the present invention;

FIG. 3 is an enlarged view of a portion A of the present invention;

FIG. 4 is an enlarged view of the part B of the present invention;

figure 5 is a top view of the penile splint structure of the present invention.

In the figure: 1. a fixing rod; 2. a lower bump; 3. an upper bump; 4. a base; 5. a lifting column; 6. a housing; 7. a limiting rod; 8. pulling the block; 9. a fixing ring; 10. a spring; 11. a platform; 12. a transverse sliding bar; 13. a support bar; 14. a locking knob; 15. a telescopic rod; 16. a joining block; 17. a connector tile; 18. a bidirectional screw rod; 19. a connecting rod; 20. a penis clamping plate; 21. medical silica gel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a penis radiotherapy precise fixing device comprises a fixing rod 1, wherein a lower convex block 2 and an upper convex block 3 are fixedly connected to the bottom surface and the top surface of the fixing rod 1 respectively, a base 4 is sleeved with the other end of the upper convex block 3 in an embedded manner, a groove is formed in the top surface of the base 4, a lifting column 5 is sleeved in the groove in a sliding manner, a clamping groove is formed in the rear side wall of the lifting column 5, a shell 6 is installed on the rear side wall of the base 4, a limiting rod 7 is sleeved in the shell 6 in a penetrating manner, one end of the limiting rod 7 is fixedly connected with a pull block 8, the other end of the limiting rod 7 extends into the groove, the extending end of the limiting rod 7 is sleeved with the clamping groove of the lifting column 5 in an embedded manner, a fixing ring 9 is fixedly sleeved on the limiting rod 7 located in the shell 6, a spring 10 is installed on the side wall of the fixing ring 9, the other end of the spring 10 is fixedly connected with the inner side wall of the shell 6, the spring 10 is sleeved with the limiting rod 7 in a sliding manner, the limiting rod 7 is pulled out of the groove by the pull block 8, the limiting rod 7 is free from binding the lifting column 5, meanwhile, the fixing ring 9 on the limiting rod 7 stretches the spring 10, the spring 10 stores elastic potential energy, the resetting of the limiting rod 7 is facilitated, the lifting column 5 is lifted up, and the requirement of a patient on the Z-axis height is met;

A platform 11 is engaged and fixedly connected to the top surface of the lifting column 5, a transverse sliding rod 12 is mounted on the top surface of the platform 11, a supporting rod 13 is slidably sleeved on the side wall of the transverse sliding rod 12, a locking knob 14 is engaged and sleeved on the top surface of the supporting rod 13, the bottom end of the locking knob 14 is in contact connection with the top surface of the transverse sliding rod 12, a sliding groove is formed in the end surface of the supporting rod 13, an expansion link 15 is fixedly connected to the side wall of the sliding groove, the expansion link 15 is slidably sleeved with the sliding groove, the other end of the expansion link 15 extends out of the sliding groove, an extension end of the expansion link 15 is fixedly connected with a connection block 16, a connection plate 17 is fixedly connected to the top surface of the connection block 16, a bidirectional screw rod 18 is rotatably sleeved in the connection plate 17, a connection rod 19 is engaged and sleeved on the side wall of the bidirectional screw rod 18, a penis clamping plate 20 is mounted at the other end of the connection rod 19, medical silica gel 21 is fixedly connected to the inner side wall of the penis clamping plate 20, so that the spatial position of the penis can be accurately adjusted, the purpose of reducing placing errors is achieved, accurate radiotherapy is achieved, repeatability and stability are good when radiotherapy is conducted in a fractionated mode, using requirements of different patients can be met, and the method has universal applicability.

The limiting rod 7 is in sliding sleeve joint with the base 4, and the right side wall of the lifting column 5 is provided with a mark, so that the medical staff can operate conveniently.

The pull block 8 drives the limiting rod 7 to move through the shell 6, the fixing ring 9 and the spring 10, the bottom surface of the base 4 is provided with a fixing groove, and the fixing groove is embedded and sleeved with the upper convex block 3.

The side walls of the transverse sliding rod 12 and the telescopic rod 15 are provided with graduated scales, and the end face of the bidirectional screw rod 18 is fixedly sleeved with an adjusting knob, so that the adjustment is more accurate.

The connecting rod 19, the penis clamping plate 20 and the medical silica gel 21 are all provided with two, and the two connecting rods 19, the penis clamping plate 20 and the medical silica gel 21 are respectively symmetrically arranged relative to the telescopic rod 15.

The working principle is as follows: the lower convex block 2 on the fixing rod 1 is clamped in the limiting holes at the two sides of the linear accelerator treatment bed, the fixing groove on the base 4 is clamped with the upper convex block 3 to achieve the purpose of a fixing device, the penis is placed between two medical silica gels 21, according to the vertical central line and the horizontal central line on the outer side wall of the penis clamping plate 20, the penis is convenient to be placed vertically to a treatment room, the horizontal laser lamp is aligned, a scale is arranged on the horizontal central line to indicate the position of a penis coronary sulcus when the penis is placed, the adjusting knob on the two-way lead screw 18 is rotated to enable the two-way lead screw 18 to rotate, so that the connecting rod 19 on the two-way lead screw 18 moves oppositely, the connecting rod 19 drives the penis clamping plate 20 to move oppositely, the medical silica gels 21 on the penis clamping plate 20 clamp the penis, the purpose of fixing the primary penis is achieved, and the medical silica gels 21 do not stimulate human tissue, The device has the advantages of no toxicity, no anaphylactic reaction, few organism rejection reaction, good physical and chemical properties, original elasticity and flexibility of the device can be kept in the contact process with the penis, the comfort level of a patient is improved, meanwhile, the penis is not easy to move in radiotherapy, the treatment effect is improved, the working difficulty of a radiotherapy technician is reduced, when the device is required to be adjusted according to actual conditions, the limiting rod 7 is pulled by the pull block 8 to extend out of the groove, the limiting rod 7 is enabled to release the constraint on the lifting column 5, meanwhile, the fixing ring 9 on the limiting rod 7 stretches the spring 10, the spring 10 stores elastic potential energy, the resetting of the limiting rod 7 is facilitated, the lifting column 5 is lifted upwards, the lifting column 5 is enabled to be lifted, the requirement of the patient on the height of the Z axis is met, the supporting rod 13 on the transverse sliding rod 12 is pulled, the supporting rod 13 is enabled to move horizontally, the locking knob 14 is tightened, and the transverse sliding rod 12 is enabled to be extruded by the locking knob 14, reach the purpose of increase frictional force, thereby the position of X axle has been fixed, restart telescopic link 15, make telescopic link 15 promote or stimulate and link up piece 16, reach the purpose of adjustment Y axle, make the position of penis in the space can accurate regulation and control, reach and reduce the purpose of putting the error, realized accurate radiotherapy, repeatability and stability are better when the radiotherapy of gradation, can satisfy different patients' operation requirement simultaneously, have universal suitability, accomplish the operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an accurate fixing device of penis radiotherapy, includes dead lever (1), its characterized in that: the utility model discloses a safety lock, including dead lever (1), lug (2) and last lug (3) down, the base (4) has been cup jointed to the other end gomphosis of going up lug (3) respectively on dead lever (1) bottom surface and the top surface, set up flutedly on the top surface of base (4), sliding sleeve has been cup jointed lifting column (5) in the recess, set up the draw-in groove on the back lateral wall of lifting column (5), and install casing (6) on the back lateral wall of base (4), it has gag lever post (7) to link up in casing (6), the one end rigid coupling of gag lever post (7) has pull block (8), the other end of gag lever post (7) extends to in the recess, and the income end that stretches into of gag lever post (7) cup joints with the draw-in groove gomphosis of lifting column (5), and is located gag lever post (7) in casing (6) and has connect solid fixed ring (9) fixedly, install spring (10) on the lateral wall of solid ring (9), the other end of the spring (10) is fixedly connected with the inner side wall of the shell (6), and the spring (10) is in sliding sleeve connection with the limiting rod (7).

2. The precise fixing device for penile radiotherapy as claimed in claim 1, wherein: the meshing rigid coupling has platform (11) on the top surface of lift post (5), install horizontal slide bar (12) on the top surface of platform (11), the bracing piece (13) has been cup jointed in the slip on the lateral wall of horizontal slide bar (12), meshing cover has cup jointed locking knob (14) on the top surface of bracing piece (13), the bottom of locking knob (14) is connected with the top surface contact of horizontal slide bar (12), and has seted up the spout in the terminal surface of bracing piece (13), the rigid coupling has telescopic link (15) on the lateral wall of spout, telescopic link (15) and spout slip cup joint, and outside the other end of telescopic link (15) extended to the spout, the rigid coupling has linking block (16) on the end that stretches out of telescopic link (15), the rigid coupling has linking block (17) on the top surface of linking block (16), linking plate (17) internal rotation has cup jointed two-way lead screw (18), the penis clamping plate is characterized in that a connecting rod (19) is meshed and sleeved on the side wall of the bidirectional screw rod (18), a penis clamping plate (20) is installed at the other end of the connecting rod (19), and medical silica gel (21) is fixedly connected to the inner side wall of the penis clamping plate (20).

3. The precise fixing device for penile radiotherapy as claimed in claim 1, wherein: the limiting rod (7) is in sliding sleeve connection with the base (4), and a mark is arranged on the right side wall of the lifting column (5).

4. The precise fixing device for penile radiotherapy as claimed in claim 1, wherein: draw piece (8) to drive gag lever post (7) through casing (6), solid fixed ring (9) and spring (10) and remove, the fixed slot has been seted up on the bottom surface of base (4), the fixed slot cup joints with last lug (3) gomphosis.

5. The precise fixing device for penile radiotherapy as claimed in claim 2, wherein: the side walls of the transverse sliding rod (12) and the telescopic rod (15) are provided with graduated scales, and the end face of the bidirectional screw rod (18) is fixedly sleeved with an adjusting knob.

6. The precise fixing device for penile radiotherapy as claimed in claim 2, wherein: connecting rod (19), penis splint (20) and medical silica gel (21) all are provided with two, and just two connecting rod (19), penis splint (20) and medical silica gel (21) set up about telescopic link (15) symmetry respectively.