CN210472791U

CN210472791U - Automatic particle implantation system

Info

Publication number: CN210472791U
Application number: CN201820397160.8U
Authority: CN
Inventors: 王利民; 刘锴
Original assignee: Hebei Haisikaier Hospital Management Co ltd
Current assignee: Hebei Haisikaier Hospital Management Co ltd
Priority date: 2018-03-22
Filing date: 2018-03-22
Publication date: 2020-05-08
Anticipated expiration: 2028-03-22

Abstract

The utility model belongs to the technical field of the particle is implanted, a automatic particle implantation system is proposed, including an automatic particle implantation system, support the seat including being used for supporting the lower of patient and direction pjncture needle, support the seat setting down on the guide arm, it is provided with the seat that pushes up that is used for the rebound pjncture needle to slide on the guide arm, support down the seat with one side of pushing up the seat all is provided with the opening, it loops through screw, lead screw and is connected with step motor to push up the seat, step motor sets up on the spacing seat. The utility model provides an among the prior art particle implantation inaccuracy, inhomogeneous technical problem.

Description

Automatic particle implantation system

Technical Field

The utility model belongs to the technical field of the particle is implanted, a automatic particle implantation system is related to.

Background

The particle implantation is called radioactive particle implantation treatment technology, and is a treatment method for implanting a radioactive source into the interior of a tumor to destroy the tumor. The seed implantation treatment technology relates to a radioactive source, and the core of the seed implantation treatment technology is a radioactive seed. However, since the implant is directly implanted into the human body and is a radioactive source, the indications need to be strictly controlled, the prior art of the particle implantation operation completely depends on the clinical operation experience of doctors, and although a simple particle implantation template is used as a guide, the accurate and regular particle implantation may need two to three decades of clinical experience of the doctors to be realized.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic particle implantation system has solved the above-mentioned problem among the prior art.

The technical scheme of the utility model is realized like this:

the utility model provides an automatic particle implantation system, supports the seat including the lower that is used for supporting the patient and leads the pjncture needle, support the seat setting on the guide arm down, it is provided with the seat that pushes up that is used for the rebound pjncture needle to slide on the guide arm, support down with one side of the seat that pushes up all is provided with the opening, it loops through screw, lead screw and is connected with step motor to push up the seat, step motor sets up on the spacing seat.

As a further technical scheme, a limit seat used for limiting the upward moving distance of the upward pushing seat is also arranged on the upward pushing seat in a sliding manner, the limit seat is positioned above the upward pushing seat,

as a further technical scheme, a second guide rod is arranged on the limiting seat and penetrates through a guide hole in the push-up seat.

As a further technical scheme, an elastic part is further arranged between the push-up seat and the limit seat, and an adjusting nut used for adjusting the maximum distance between the limit seat and the push-up seat under the action of the elastic part is further arranged on the second guide rod.

As a further technical scheme, the gap is gradually reduced from the edge to the inside and is the circular hole which is used for penetrating the puncture needle at the innermost part.

As a further technical scheme, the guide rod is provided with teeth, the limiting seat and the pushing seat are both provided with gears meshed with the teeth, the gears are coaxially provided with ratchet wheels, and the outer edges of the ratchet wheels are provided with first pawls.

As a further technical scheme, a ratchet bar is arranged on the guide rod, second pawls matched with the ratchet bar are arranged on the limiting seat and the push-up seat respectively, a manual switch is arranged on the second pawls, open holes are formed in one sides of the limiting seat and the push-up seat respectively, and the manual switch extends into the open holes.

As a further technical scheme, a blind hole is formed in the limiting seat, an ejecting ball which is abutted by a spring is arranged in the blind hole, a plurality of circular grooves which are sequentially arranged from top to bottom are formed in the guide rod, and the ejecting ball is exposed out of the blind hole and extends into the circular grooves.

As a further technical scheme, a limiting protrusion is arranged on the second guide rod or the limiting seat, the limiting protrusion is arranged between the pushing seat and the limiting seat, a contact switch is arranged on the limiting protrusion, the contact switch is connected with the stepping motor through a controller, and the controller is connected with a button switch.

As a further technical scheme, the lifting device further comprises a third guide rod parallel to the second guide rod, the pushing-up seat is also arranged on the third guide rod in a sliding mode, a handle convenient to hold is arranged on the third guide rod, and the button switch is arranged on the handle.

The utility model discloses theory of use and beneficial effect do:

1. the lower support seat in the particle implantation device is used for supporting a patient, then a doctor holds the guide rod with one hand, the thumb index finger of the other hand presses the upper push seat and the limiting seat, and certain damping is arranged between the upper push seat and the limiting seat, therefore, when in use, only the force needs to be simply controlled, the two directions of moments are different in magnitude by utilizing different action points acting on the upper push seat and the limiting seat, one of the two is kept static with the guide rod, the other is kept sliding with the guide rod, the upper push seat can be close to the limiting seat, thereby realizing the upward movement of the accurate distance set by the upper push seat, further driving the outer needle of the puncture needle to move upwards, at the moment, the accurate positioning implantation of particles can be realized by matching the puncture gun and the inner needle of the puncture needle, then the upper push seat and the guide rod are pressed by hands, the limiting seat is moved upwards for a certain distance, then the next particle implantation is carried out by repeated operation, thereby realizing, thereby fine solution particle implantation inaccuracy, inhomogeneous problem, real instrument simple structure moreover, convenient operation, the medical effect that can be very convenient realization needs.

2. The pushing seat and the limiting seat are guided to move on the guide rod, and a second guide rod is specially added, so that the pushing seat, the limiting seat and the guide rod are kept static and move relatively, one is static and moves relatively, so that the quantitative movement of the puncture needle driven by the pushing seat is well realized, when the limiting seat is controlled to be static relative to the guide rod, the puncture needle moves upwards by the pushing seat moving relative to the guide rod, after the pushing seat moves upwards and is limited by the limiting seat, the elastic part is added to enable the elastic part to automatically jack up the limiting seat to a limited distance, so that the limiting seat moves upwards automatically well, preparation is made for next particle implantation, convenience and effectiveness in use are ensured, the elastic part can be matched with the second guide rod by a spring to more stably and effectively realize that the pushing seat drives the puncture needle to move upwards and the elastic part drives the limiting seat to move upwards to reset, thereby ensuring the smoothness of the whole operation.

3. The opening is triangular, and is the circular port at the most, and the structure of original design has not only guaranteed the accurate removal of the vertical direction of pjncture needle, simultaneously also fine realization taking out of middle process pjncture needle, realized the use of more circumstances.

4. Tooth on the guide arm can be more accurate the improvement push up the removal precision of seat and spacing seat, thereby fine assurance the equidistant realization of particle implantation, and driven gear is coaxial still to be provided with the ratchet, with the fine one-way upwards removal promptly of the seat of pushing up of having realized of the cooperation of first pawl, can not cause the malfunction that moves down of the seat of pushing up that appears occasionally because of the effect of elastic component in operation process, and simple structure, the effect is obvious, make the convenience more free of operation, the holistic product quality has been improved, unexpected effect has been played.

5. The one-way movement of the limiting seat and the pushing seat is realized by mutually matching the ratchet bar on the guide rod and the second pawls on the limiting seat and the pushing seat, the structure is simpler, the effect is more obvious, and the product quality is further improved. Meanwhile, the manual switch on the second pawl can retract into the second pawl, and the manual switch can be opened when the following particles are required to be implanted after the implantation of the particles is completed, so that the re-reset of the limiting seat and the push-up seat can be realized, the rapid implantation of the next row of particles is ensured, the practicability of the product is improved, and unexpected effects are achieved.

6. Spacing seat can also carry out convenient and practical's location more through the tight effect in top of spring action in the top pearl, has played fine location supplementary action, and the top pearl is by the tight circular recess in the top income guide arm that can be fine behind the spring top, and consequently spacing seat can not be free at will to put down more or little displacement for each row of particle implants more evenly distributed, and the operation is also convenient automatic more, has played fine effect, has guaranteed medical staff's operational reliability.

7. The upward pushing seat can also realize automatic particle implantation through a nut, a screw rod and a stepping motor, the stepping motor is arranged on the limiting seat, an operator only needs to operate a button switch to realize quick and accurate implantation of one particle, the existence of a ratchet bar and a second pawl is realized, the upward pushing seat and the limiting seat can only move upwards and cannot move downwards, the upward pushing seat is driven to move upwards when the stepping motor rotates forwards, the limiting seat can keep still, the stepping motor rotates backwards until the upward pushing seat touches a contact switch, the upward pushing seat can be static, the limiting seat can move upwards, the distance between the upward pushing seat and the limiting seat is maximum, the stepping motor can stop (or be realized by a built-in program or by additionally arranging the contact switch on the upward pushing seat), the whole displacement step is realized, and the operation accuracy and the operation efficiency are further improved. Meanwhile, the limiting protrusion on the second guide rod can further ensure the accuracy of the upward moving distance of the upward pushing seat, so that the designability of the structure is better improved, and the distance accuracy of the upward pushing seat moving each time can be ensured by independently designing the acting force of the spring to avoid the inaccuracy of manual operation without the limiting protrusion. Meanwhile, after the third guide rod parallel to the second guide rod is additionally arranged, the structural stability of the particle implantation can be further ensured, the automatic completion of the particle implantation becomes a reality, the problems that the particle implantation is not accurate and radioactive particles are implanted in the tumor very non-uniformly are further solved, the particles are effectively prevented from being implanted into non-tumor cells, and the operation experience of the particle implantation of a doctor can be well realized even if the doctor does not have.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of an embodiment of the present invention;

fig. 2 is a schematic structural view of another embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the center bead of the present invention;

FIG. 4 is a schematic view of the structure of the middle ratchet of the present invention;

FIG. 5 is a schematic view of the ratchet structure of the present invention;

FIG. 6 is a schematic view of the control structure of the present invention;

in the figure: 1-lower support seat, 2-guide rod, 3-upper push seat, 4-limit seat, 5-guide hole, 6-elastic piece, 7-adjusting nut, 8-notch, 9-circular hole, 10-tooth, 11-gear, 12-ratchet wheel, 13-first pawl, 14-ratchet strip, 15-second pawl, 16-manual switch, 17-open hole, 18-blind hole, 19-spring, 20-top bead, 21-circular groove, 22-nut, 23-screw rod, 24-stepping motor, 25-limit protrusion, 26-contact switch, 27-controller, 28-button switch, 29-second guide rod, 30-third guide rod and 31-handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in FIGS. 1-6, an automatic particle implantation system includes

The lower supporting seat 1 used for supporting a patient and guiding the puncture needle is arranged on the guide rod 2, the guide rod 2 is provided with an upward pushing seat 3 used for moving the puncture needle upwards in a sliding mode, one side of the lower supporting seat 1 and one side of the upward pushing seat 3 are provided with notches 8, the upward pushing seat 3 is connected with the stepping motor 24 sequentially through the screw 22 and the lead screw 23, and the stepping motor 24 is arranged on the limiting seat 4.

Furthermore, a limiting seat 4 for limiting the upward moving distance of the upward pushing seat 3 is also arranged on the upward pushing seat 3 in a sliding way, the limiting seat 4 is positioned above the upward pushing seat 3,

further, a second guide rod 29 is arranged on the limiting seat 4, and the second guide rod 29 penetrates through the guide hole 5 on the pushing-up seat 3.

Further, an elastic part 6 is arranged between the push-up seat 3 and the limit seat 4, and an adjusting nut 7 for adjusting the maximum distance between the limit seat 4 and the push-up seat 3 under the action of the elastic part 6 is arranged on the second guide rod 29.

Further, the gap 8 is gradually reduced from the edge to the inner part and is the circular hole 9 for passing through the puncture needle at the innermost part.

Furthermore, the guide rod 2 is provided with teeth 10, the limiting seat 4 and the pushing seat 3 are both provided with gears 11 engaged with the teeth 10, the gears 11 are coaxially provided with ratchet wheels 12, and the outer edges of the ratchet wheels 12 are provided with first pawls 13.

Further, a ratchet 14 is arranged on the guide rod 2, a second pawl 15 matched with the ratchet 14 is arranged on the limiting seat 4 and the push-up seat 3, a manual switch 16 is arranged on the second pawl 15, one side of the limiting seat 4 and one side of the push-up seat 3 are provided with an opening 17, and the manual switch 16 extends into the opening 17.

Furthermore, a blind hole 18 is arranged in the limiting seat 4, a supporting bead 20 supported by a spring 19 is arranged in the blind hole 18, a plurality of circular grooves 21 which are sequentially arranged from top to bottom are arranged on the guide rod 2, and the supporting bead 20 is exposed out of the blind hole 18 and extends into the circular grooves 21.

Further, a limiting protrusion 25 is arranged on the second guide rod 29 or the limiting seat 4, the limiting protrusion 25 is arranged between the pushing seat 3 and the limiting seat 4, a contact switch 26 is arranged on the limiting protrusion 25, the contact switch 26 is connected with the stepping motor 24 through a controller 27, and the controller 27 is connected with a button switch 28.

Further, a third guide rod 30 parallel to the second guide rod 29 is further included, the push-up base 3 is also slidably disposed on the third guide rod 30, a handle 31 for holding is disposed on the third guide rod 30, and the push-button switch 28 is disposed on the handle 31.

The lower supporting seat 1 in the particle implantation device is used for supporting a patient, then a doctor holds a guide rod with one hand, the thumb index finger of the other hand presses the upper pushing seat 3 and the limiting seat 4, and a certain damping is arranged between the upper pushing seat 3 and the limiting seat 2, so that when the particle implantation device is used, only the force is simply controlled, the acting points acting on the upper pushing seat 3 and the limiting seat 4 are different, so that the two moments are different in size, one of the two moments and the guide rod 2 are kept static, the other moment and the guide rod 2 are kept sliding with the guide rod 2, the upper pushing seat 3 can approach the limiting seat 4, the upper pushing seat 4 is moved upwards at a set precise distance, the outer needle of the puncture needle is driven to move upwards, at the moment, the precise positioning implantation of particles can be realized through the matching of the inner needle of the puncture gun and the inner needle of the puncture needle, then the upper pushing seat 3 and the guide rod 2 are pressed by hands, therefore, the implantation fixed-interval accurate implantation of each radioactive particle is realized, the problems of inaccuracy and non-uniformity of particle implantation are well solved, and the real tool is simple in structure and convenient to operate and can conveniently realize the required medical effect.

The pushing-up seat 3 and the limiting seat 4 are provided with a second guide rod 29 besides guided to move on the guide rod 2, so that the pushing-up seat 3 and the limiting seat 4 are kept static and move relatively with the guide rod 2, respectively, one is static and the other moves relatively, so that the quantitative movement of the puncture needle driven by the pushing-up seat 3 is well realized, when the limiting seat 4 is controlled to be static relative to the guide rod 2, the puncture needle moves upwards by the movement of the pushing-up seat 3 relative to the guide rod 2, when the pushing-up seat 3 is limited by the limiting seat 4, the elastic part 6 is added to automatically push up the limiting seat 4 to a limited distance, so that the limiting seat 4 is well realized to automatically move upwards, preparation is made for next particle implantation, the convenience and effectiveness of use are ensured, the elastic part 6 can be matched with the second guide rod 29 by a spring, so that the pushing-up seat 3 can more stably and effectively drive the puncture needle to move upwards, The elastic piece 6 drives the limiting seat 4 to move upwards and reset, so that the smoothness of the whole operation is ensured.

The opening 8 is triangular, the circular hole 9 is formed in the innermost part, the structure which is originally designed not only ensures the accurate movement of the puncture needle in the vertical direction, but also well realizes the taking out of the puncture needle in the middle process, and the use under more conditions is realized.

Tooth 10 on the guide arm 2 can be more accurate the improvement push up seat 3 and spacing seat 4 the removal precision, thereby fine assurance the realization of equidistant of particle implantation, and driven gear 11 still coaxial is provided with ratchet 12, with the fine realization of first pawl 13 push up seat 3 and spacing seat 4 one-way upwards moving promptly, can not cause the malfunction that moves down of pushing up seat 3 that appears occasionally because of the effect of elastic component 6 in operation process, and simple structure, the effect is obvious, make the operation convenient freely more, whole product quality has been improved, unexpected effect has been played.

The one-way movement of the limiting seat 4 and the pushing seat 3 is realized by mutually matching the ratchet 14 on the guide rod 2 and the second pawls 15 on the limiting seat 4 and the pushing seat 3, the structure is simpler, the effect is more obvious, and the product quality is further improved. Meanwhile, the manual switch 16 on the second pawl 15 can retract into the second pawl 15, and the manual switch 16 can be opened when the following particles are required to be implanted after the implantation of the particles is completed, so that the re-reset of the limiting seat 4 and the upward pushing seat 3 can be realized, the rapid implantation of the next row of particles is ensured, the practicability of the product is improved, and the unexpected effect is also achieved.

Spacing seat 4 can also act on the tight effect in top of top pearl 20 through spring 19, carry out more convenient and practical's location, played fine location auxiliary action, top pearl 20 is pushed up the circular recess 21 in the back can be fine by spring 19, consequently spacing seat 4 can not be free at will and big or little displacement, make every row of particle implant more evenly distributed, the operation is also convenient automatic more, fine effect has been played, medical staff's operational reliability has been guaranteed.

The push-up seat 3 can also realize automatic particle implantation through the screw nut 22, the screw rod 23 and the stepping motor 24, the stepping motor 24 is arranged on the limit seat 4, an operator can realize the rapid and accurate implantation of one particle only by operating the button switch 28, due to the existence of the ratchet 14 and the second pawl 15, the push-up base 3 and the spacing base 4 will only move upwards and will not move downwards, when the stepping motor rotates forward to drive the push-up base 3 to move upward, the limit base 4 will remain stationary until the push-up base 3 touches the contact switch 26, the stepping motor rotates reversely, the push-up base 3 will be stationary, the limit base 4 will move upwards until the distance between the two is the maximum limit, the stepping motor will stop (either by built-in program or by adding a contact switch on the push-up base 3), thereby realizing an integral displacement step and further improving the operation accuracy and the operation efficiency. Meanwhile, the limit protrusion 25 on the second guide rod 29 can further ensure the accuracy of the upward moving distance of the upward pushing seat 3, so that the designability of the structure is better improved, and the distance accuracy of moving the upward pushing seat 3 each time can be ensured by independently designing the acting force of the spring to avoid the inaccuracy of manual operation without the limit protrusion 25. Meanwhile, after the third guide rod 30 parallel to the second guide rod 29 is additionally arranged, the structural stability of the particle implantation can be further ensured, the automatic completion of the particle implantation becomes practical, the problems of inaccuracy of the particle implantation and non-uniformity of the radioactive particle implantation in the tumor are further solved, the particle implantation to non-tumor cells is effectively avoided, and the particle implantation operation experience of doctors can be well realized even if the doctors do not have.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic particle implantation system, its characterized in that, supports seat (1) including the lower that is used for supporting the patient and leads the pjncture needle, support seat (1) setting down on guide arm (2), it is provided with the seat (3) that pushes up that is used for the rebound pjncture needle to slide on guide arm (2), support seat (1) down with one side of pushing up seat (3) all is provided with opening (8), it loops through screw (22), lead screw (23) and is connected with step motor (24) to push up seat (3), step motor (24) set up on spacing seat (4).

2. The automatic particle implantation system according to claim 1, wherein a limiting seat (4) for limiting the upward moving distance of the push-up seat (3) is further slidably disposed on the push-up seat (3), and the limiting seat (4) is located above the push-up seat (3).

3. The automatic particle implantation system according to claim 2, wherein a second guide rod (29) is disposed on the position-limiting seat (4), and the second guide rod (29) passes through a guide hole (5) formed on the push-up seat (3).

4. An automatic particle implantation system according to claim 3, wherein an elastic member (6) is further disposed between the push-up seat (3) and the position-limiting seat (4), and an adjusting nut (7) for adjusting the maximum distance between the position-limiting seat (4) and the push-up seat (3) under the action of the elastic member (6) is further disposed on the second guide rod (29).

5. An automated particle implantation system according to claim 1, wherein said gap (8) tapers from edge to inner and is innermost a circular hole (9) for passing said piercing needle.

6. The automatic particle implantation system according to claim 2, wherein the guide rod (2) is provided with teeth (10), the limiting seat (4) and the pushing seat (3) are respectively provided with a gear (11) engaged with the teeth (10), the gear (11) is coaxially provided with a ratchet (12), and the outer edge of the ratchet (12) is provided with a first pawl (13).

7. The automatic particle implantation system according to claim 2, wherein a ratchet (14) is disposed on the guide rod (2), a second pawl (15) engaged with the ratchet (14) is disposed on each of the limiting seat (4) and the push-up seat (3), a manual switch (16) is disposed on the second pawl (15), an opening (17) is disposed on each of one side of the limiting seat (4) and one side of the push-up seat (3), and the manual switch (16) extends into the opening (17).

8. The automatic particle implantation system according to claim 1, wherein a blind hole (18) is formed in the limiting seat (4), an ejecting bead (20) which is ejected by a spring (19) is formed in the blind hole (18), a plurality of circular grooves (21) are formed in the guide rod (2) and are sequentially arranged up and down, and the ejecting bead (20) is exposed out of the blind hole (18) and extends into the circular grooves (21).

9. An automatic particle implantation system according to claim 3, wherein a limiting protrusion (25) is disposed on the second guide rod (29) or the limiting seat (4), the limiting protrusion (25) is disposed between the pushing seat (3) and the limiting seat (4), a contact switch (26) is disposed on the limiting protrusion (25), the contact switch (26) is connected to the stepping motor (24) through a controller (27), and the controller (27) is connected to a button switch (28).

10. An automated particle implantation system according to claim 9, further comprising a third guide rod (30) parallel to said second guide rod (29), said push-up base (3) also being slidably disposed on said third guide rod (30), said third guide rod (30) being provided with a handle (31) for easy holding, said push-button switch (28) being disposed on said handle (31).