CN113082554A - Propelling aid for vagina inserting needle - Google Patents
Propelling aid for vagina inserting needle Download PDFInfo
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- CN113082554A CN113082554A CN202110478962.8A CN202110478962A CN113082554A CN 113082554 A CN113082554 A CN 113082554A CN 202110478962 A CN202110478962 A CN 202110478962A CN 113082554 A CN113082554 A CN 113082554A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1014—Intracavitary radiation therapy
- A61N5/1016—Gynaecological radiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of medical auxiliary instruments, in particular to a booster for a vaginal insertion needle, which comprises a gun body, wherein a needle placing port for inserting the insertion needle is formed in the free end of the gun body, a sliding block is arranged in a gun rod of the gun body in a sliding manner, a spring is connected between one side, facing the tail part, of the sliding block and the gun body, a fixing mechanism for fixing the insertion needle is arranged on the sliding block, a shifting rod is arranged on the sliding block, a strip-shaped hole is formed in the gun rod, the shifting rod is arranged in the strip-shaped hole in a sliding manner in a penetrating manner, scales are arranged on the outer wall of the gun rod on one side of the strip-shaped hole, a locking mechanism is arranged in the gun body, the sliding block is. This scheme utilizes the power that the spring resets to advance the needle, and the needle that will plant that can be quick pushes away into, and medical personnel removes the slider according to the scale during the operation, and the depth of needle insertion is more accurate.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a booster of a vaginal insertion needle.
Background
Radiotherapy is one of the main treatment means of cervical cancer, and the insertion needle is used as the applicator to make the radioactive source enter the focal area directly, so as to raise the radiotherapy dosage in the focal area without increasing the damage of normal tissues around and obtain optimal radiotherapy effect theoretically. Because the bottom of the vagina has no nerve touch, the insertion needle has the effects of minimal invasion, high efficiency and low pain, becomes a main technical means of cervical cancer radiotherapy, can be used for the radiotherapy of the stump after operation and can also be used for cancer patients who are not suitable for the operation.
The main technical problem faced by the radiotherapy of the insertion needle is the insertion guiding mode of the insertion needle, the manual insertion needle is mostly adopted in the clinical treatment at present, the manual needle placement operation is laborious because the insertion needle needs to penetrate through the tissues beside the vagina, and the operation is more difficult especially for female medical care personnel with small strength; and because the strength is small, the medical staff can only insert the needle a little bit slowly, thereby additionally bringing continuous pain to the patient. In addition, in actual operation, medical staff often put the needle by experience, and the depth of putting the needle can not be accurately determined, and the precision of putting the needle is not high.
Disclosure of Invention
The invention aims to provide a booster for a vaginal insertion needle, which is convenient for medical staff to put the needle and solves the problems of labor-consuming operation and low precision of manual needle placement in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
needle booster of inserting in vagina, including the rifle body, the rifle body free end is offered and is used for inserting the needle mouth of putting of inserting the needle, it is provided with the slider to slide in the barral of a gun of the rifle body, the slider orientation is robbed and is connected with the spring between one side of tail and the rifle body, be provided with the fixed establishment who is used for fixed needle of inserting on the slider, be provided with the driving lever on the slider, the bar hole has been seted up on the barral of a gun, the driving lever slides and wears to establish in the bar hole, be provided with the scale on the barral of a gun outer wall of bar hole one side, the internal locking mechanism that is provided with of rifle, it holds power to remove slider compression spring.
The principle and the beneficial effect of the scheme are as follows:
the sliding block is used for fixing the insertion needle, when the insertion needle is used, the insertion needle is inserted from the needle placing opening, the fixing mechanism is used for fixing the insertion needle on the sliding block, then the shifting rod slides according to the scales to drive the sliding block to move towards the tail end to a proper position, the sliding block compresses the spring to store force, the sliding block is locked by the locking mechanism after the sliding block is in place, then the muzzle is inserted into the vagina of a patient, the locking mechanism is driven to release the sliding block, the spring resets to quickly push the sliding block, and therefore the insertion needle is quickly pushed into the body of the patient. This scheme utilizes the power needle insertion that the spring resets, the needle that will plant that can be quick pushes away, compares artifical manual needle insertion for power sufficient, and the needle insertion is fast, and convenient operation not only can also alleviate patient's pain. In addition, set up the scale on the rifle body, medical personnel remove the slider according to the scale during operation, compare artificial experience control depth of inserting needle, and this scheme depth of inserting needle's control is more accurate.
Further, the device also comprises a positioning mechanism which is used for positioning the sliding block when the insertion needle is inserted.
Has the advantages that: the positioning mechanism is utilized to position the sliding block, so that the sliding block can be prevented from moving when the insertion needle is inserted, and the insertion needle is convenient to fix.
Furthermore, the fixing mechanism comprises a fixing groove formed in the sliding block, an elastic fixing plug is arranged in the fixing groove, a needle hole used for clamping the inserting needle is formed in the fixing plug, and the needle hole is aligned with the needle placing opening in the transverse direction.
Has the advantages that: the inserting needle is inserted into the needle hole to force the fixing plug to deform, and the inserting needle is tightly clamped by the elasticity of the fixing plug, so that the structure is simple.
Furthermore, the locking mechanism comprises a fixed rack fixed on the sliding block, the fixed rack is transversely arranged, a fixed gear is arranged in the gun handle in a rotating mode, the fixed gear is meshed below the fixed rack, the fixed gear is coaxially connected with a ratchet wheel, a pawl is meshed on one side of the ratchet wheel, and the locking mechanism further comprises a driving assembly used for driving the fixed gear to be disengaged from the fixed rack.
Has the advantages that: when the sliding block moves, the fixed rack is driven to move, the fixed rack drives the fixed gear and the ratchet wheel to rotate, the pawl slides on the ratchet wheel at the moment, the spring is compressed, and when the sliding block stops moving, the pawl tightly clamps the ratchet wheel to avoid the reverse rotation of the fixed gear, so that the sliding block is locked. The locking mechanism of this scheme of adoption can be at the automatic locking slider of slider after stopping, need not artifical additional operation, and it is more convenient to use. The driving mechanism is used for driving the fixed gear to be disengaged from the fixed rack when the sliding block needs to be released to insert the needle, so that the sliding block is released to insert the needle.
Furthermore, the driving assembly comprises a large gear and a small gear, a trigger is fixed on the large gear and extends out of the handle, a sliding plate is arranged in the gun handle in a sliding mode, the fixed gear, the ratchet wheel and the pawl are all arranged on the sliding plate, a vertical driving rack is fixed on the sliding plate, and the driving rack is meshed with the small gear.
Has the advantages that: when the trigger is pulled, the large gear is driven to rotate, the small gear drives the sliding plate to move downwards through the driving rack, and therefore the fixed gear, the ratchet wheel and the pawl are driven to integrally move downwards, the fixed gear and the fixed rack are disengaged, and the sliding block can be released. This scheme of adoption, the trigger is pulled and the slider can be released, realizes the needle insertion, convenient operation.
Furthermore, positioning mechanism is including the location rack of sliding setting in the slider, and the free end of location rack is towards the muzzle and can offset with the rifle body, and the meshing has the location gear below the location rack, is fixed with the location hook on the location gear, offers on the internal wall of rifle to be used for with location hook complex constant head tank.
Has the advantages that: when the slide block is pushed to the muzzle by the spring, the positioning rack abuts against the muzzle and slides towards the inside of the slide block under the abutting effect, so that the positioning gear is driven to rotate, the positioning hook is driven to rotate, and the positioning hook is hooked into the positioning groove, so that the positioning of the slide block is realized; the positioning mechanism of this scheme of adoption can be given the slider location automatically after the needle is gone into, need not artifical additional operation, convenient to use.
Furthermore, the driving lever is rotatably arranged on the sliding block, and the positioning gear is coaxially connected with the driving lever.
Has the advantages that: the positioning gear can drive the driving lever and also rotate when rotating, and the operator can reset the driving lever along with the area when gripping the driving lever and driving the slider and slide next time when using to drive the positioning gear and reset, and then release the slider, this scheme with positioning gear and driving lever coaxial coupling, the action that the operator gripped the driving lever is reset for positioning gear by the way, need not artifical extra operation, convenient to use.
Furthermore, one side of the sliding block towards the muzzle is provided with a clamping bead with elasticity, the inner wall of the muzzle is provided with a clamping groove, and the clamping bead can be clamped in the clamping groove through deformation.
Has the advantages that: when the slider is released to muzzle department by the spring, the card pearl can block in the draw-in groove, improves the location effect of slider from this.
Further, a buffer piece is arranged on one side, facing the muzzle, of the sliding block.
Has the advantages that: set up the striking that the bolster can cushion slider and muzzle, the life of extension slider.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a first embodiment of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the gun comprises a spring 1, a gun chamber 2, a fixed rack 3, a fixed gear 4, a ratchet wheel 5, a gun rod 6, a sliding block 7, a fixed groove 8, a fixed plug 9, a needle placing opening 10, a positioning rack 11, a needle hole 12, a deflector rod 13, a strip-shaped hole 15, a sliding plate 16, a large gear 17, a trigger 18, a gun handle 19, a small gear 20, a pawl 21, a driving rack 22, a limiting block 23, a positioning hook 24, a positioning gear 25 and a containing groove 26.
Example one
As shown in figure 1, the vaginal insertion needle booster comprises a gun body, a needle placing port 10 for inserting an insertion needle is formed in the free end (the right end in the figure) of the gun body, a gun chamber 2 is transversely formed in the gun rod 6 of the gun body, the gun chamber 2 is communicated with the needle placing port 10, and the gun handle 19 is hollow and communicated with the gun chamber 2. Slide block 7 has in bore 2, is connected with spring 1 between 7 left sides of the slide block and the rifle body, installs the fixed establishment who is used for the fixed needle of inserting on the slide block 7, and fixed establishment is including transversely opening fixed slot 8 on slide block 7, and the glue joint is fixed with elastic fixed stopper 9 in the fixed slot 8, and it has the pinhole 12 that is used for the chucking needle of inserting to open on the fixed stopper 9, and pinhole 12 aligns on horizontal with putting needle mouth 10. In this embodiment, the fixing plug 9 is made of rubber or silica gel, the diameter of the needle hole 12 is slightly smaller than that of the insertion needle, and the insertion needle forces the needle hole 12 to deform so as to be tightly clamped in the needle hole 12.
The slider 7 is connected with driving lever 13 in a rotating manner, the bottom of the gun rod 6 is transversely provided with a strip-shaped hole 15, the driving lever 13 is arranged in the strip-shaped hole 15 in a sliding and penetrating manner, and the outer wall of the gun rod 6 is provided with scales (not shown in the figure) at the position corresponding to the strip-shaped hole 15. A locking mechanism is installed in the gun body, the movable sliding block 7 compresses the spring 1 to store force, the spring 1 resets to push the sliding block 7 to reset to place a needle, and the locking mechanism is used for locking the sliding block 7 when the spring 1 stores force.
The locking mechanism comprises a fixed rack 3 fixed on the left side of the sliding block 7 in a glued joint mode, the fixed rack 3 is transversely arranged, a sliding plate 16 is arranged in the gun handle 19 in a sliding mode, and the sliding plate 16 can vertically slide in the gun handle 19. A fixed gear 4 is rotatably arranged on the sliding plate 16, the fixed gear 4 is meshed below the fixed rack 3, the fixed gear 4 is coaxially connected with a ratchet wheel 5, and a pawl 21 is meshed below the ratchet wheel 5; a driving rack 22 is vertically fixed to the left side of the sliding plate 16 in a glued joint mode, a group of gear sets are installed on the right side of the driving rack 22, pinions 20 in the gear sets are meshed with the driving rack 22, a large gear 17 in each gear set is fixedly glued with a trigger 18, the trigger 18 extends out of a handle, an arc-shaped groove (not shown in the figure) is formed in the position, located below the large gear 17, of the handle, and the free end of the trigger 18 is connected into the arc-shaped groove in a.
This embodiment also comprises a positioning mechanism for positioning the slider 7 when the insertion needle is inserted. As can be seen from fig. 2, the positioning mechanism includes a positioning rack 11 slidably mounted in the slider 7, the positioning rack 11 is transversely disposed, a free end of the positioning rack 11 faces the muzzle and can abut against the muzzle, a positioning gear 25 is engaged below the positioning rack 11, the positioning gear 25 is coaxially connected with the shift lever 13, a positioning hook 24 is fixed on the positioning gear 25, and a positioning groove (not shown in the figure) for engaging with the positioning hook 24 is formed in a bottom wall of the bore 2 at the muzzle. An accommodating groove 26 is formed in the sliding block 7, and a vertical limiting block 23 is integrally formed at the bottom of the left side of the accommodating groove 26.
The specific implementation process is as follows:
under initial condition, slider 7 is located muzzle department, and driving lever 13 is the state of slope to the right, and location hook 24 colludes in the constant head tank this moment, and slider 7 is fixed a position, and needle is planted to the easy to assemble. The inserting needle is inserted into the needle hole 12 from the needle placing opening 10, the inserting needle forces the fixing plug 9 to deform from the needle hole 12, the needle hole 12 is spread, the inserting needle can smoothly enter the needle hole 12, and after the inserting needle is stopped, the fixing plug 9 restores to deform to clamp the inserting needle, so that the inserting needle is fixed on the sliding block 7.
After the fixation is finished, an operator holds the shift lever 13 to rotate the shift lever to the vertical state clockwise, the shift lever 13 drives the positioning gear 25 which is coaxially connected with the shift lever to rotate clockwise, so that the positioning hook 24 on the positioning gear 25 is pulled out from the positioning groove, the sliding block 7 is released, and the sliding block 7 can be driven to slide leftwards outside the gun body through the shift lever 13. Because stopper 23 exists, driving lever 13 can't continue to rotate to the left for driving lever 13 the at utmost can rotate to vertical state, makes things convenient for the operator to know on the one hand and indicates slider 7 has the unblock promptly after driving lever 13 rotates to vertical state, and on the other hand, vertical state's driving lever 13 makes things convenient for drive slider 7 to slide left more, and driving lever 13 offsets with stopper 23 and can give better on applying the effort to slider 7, so that drive slider 7 removes.
An operator refers to the scales on the gun body to move the slide block 7 to a proper position according to the required needle insertion depth and then stops moving (the slide block 7 is finally reset to the muzzle, and the position of the slide block 7 away from the muzzle is the needle insertion depth). In the process that the sliding block 7 moves leftwards, the fixed rack 3 on the sliding block drives the fixed gear 4 to rotate anticlockwise, at the moment, the ratchet wheel 5 rotates anticlockwise, the pawl 21 slides on the ratchet wheel 5, and the spring 1 is compressed; after the slider 7 stops moving, the spring 1 has a tendency to drive the slider 7 to reset and the fixed gear 4 tends to rotate reversely, but at this time, the pawl 21 locks the ratchet 5 so that it cannot rotate reversely, so that the fixed gear 4 cannot rotate reversely, and the slider 7 is locked.
After the slide block 7 moves to a proper position, the muzzle is inserted into the vagina of a patient, the trigger 18 is pulled, the trigger 18 drives the large gear 17 to rotate clockwise, the large gear 17 drives the sliding plate 16 to move downwards through the small gear 20, so that the fixed gear 4, the ratchet wheel 5 and the pawl 21 are driven to integrally move downwards, the fixed gear 4 is disengaged from the fixed rack 3, the slide block 7 is released, the spring 1 is reset, and the slide block 7 is quickly pushed to the muzzle, so that needle insertion is realized.
In the process that the slider 7 moved rightwards, when the positioning rack 11 was supported with the muzzle, the slider 7 continued to slide rightwards, and the positioning rack 11 can slide leftwards relative to the slider 7, thereby driving the positioning gear 25 to rotate anticlockwise, so as to hook the positioning hook 24 into the positioning groove again, position the slider 7 again, and make things convenient for the fixed needle of inserting next time.
This embodiment resets through spring 1 and quick promotion slider 7 realizes inserting the needle, compares artifical inserting the needle, and the needle dynamics is enough, and the inserting needle is fast, has alleviateed medical personnel's the degree of difficulty of inserting the needle, has also alleviateed patient's pain. In addition, according to the position of scale adjustment slider 7, the depth of inserting the needle can be accurately driven, and compared with the situation that the depth of inserting the needle is determined by manpower in the prior art according to experience, the depth of inserting the needle is more accurate. Each part adopts high temperature resistant material in this embodiment, and it has the disinfection hole (not shown in the figure) to open on the rifle body, and disinfection hole department stopper has the sealing plug, opens the sealing plug after finishing using and exposes the disinfection hole, carries out high temperature sterilization with the rifle body wholly to follow-up use.
Example two
The difference between this embodiment and the first embodiment lies in that one side of the slide block 7 facing the muzzle is fixed with an elastic clamping bead (not shown in the figure) by gluing, the clamping bead is made of silica gel or rubber, the inner wall of the muzzle is provided with a clamping groove (not shown in the figure), and the clamping bead can be clamped in the clamping groove by deformation. One side of the sliding block 7 facing the muzzle is glued and fixed with a buffer part, and the buffer part is made of silica gel or rubber in the embodiment.
When slider 7 removed muzzle department, thereby the card pearl can take place deformation under slider 7's striking effect and go into the draw-in groove in the quick card, from this fixed slider 7, further improved slider 7's location effect. Set up the bolster on 7 right sides of slider and can effectively cushion the impact force of slider 7 and rifle body, improve the life of slider 7 and rifle body.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. The vaginal insertion needle booster is characterized in that: including the rifle body, the rifle body free end is offered and is used for inserting the needle mouth of putting of needle of planting, it is provided with the slider to slide in the barral of rifle body, the slider orientation is robbed and is connected with the spring between one side of tail and the rifle body, be provided with the fixed establishment who is used for fixed needle of planting on the slider, be provided with the driving lever on the slider, the bar hole has been seted up on the barral, the driving lever slides and wears to establish in the bar hole, be provided with the scale on the barral outer wall of bar hole one side, the internal locking mechanism that is provided with of rifle, it holds power to remove slider compression spring, the needle is put to spring reset promotion slider.
2. The vaginal insertion needle booster of claim 1, wherein: the insertion needle is inserted into the insertion hole, and the positioning mechanism is used for positioning the sliding block when the insertion needle is inserted.
3. The vaginal insertion needle booster of claim 2, wherein: the fixing mechanism comprises a fixing groove formed in the sliding block, an elastic fixing plug is arranged in the fixing groove, a needle hole used for clamping an inserting needle is formed in the fixing plug, and the needle hole is aligned with the needle placing opening in the transverse direction.
4. The vaginal insertion needle booster of claim 3, wherein: the locking mechanism comprises a fixed rack fixed on the sliding block, the fixed rack is transversely arranged, a fixed gear is arranged in the gun handle in a rotating mode, the fixed gear is meshed below the fixed rack, the fixed gear is coaxially connected with a ratchet wheel, a pawl is meshed on one side of the ratchet wheel, and the locking mechanism further comprises a driving assembly used for driving the fixed gear to be disengaged from the fixed rack.
5. The vaginal insertion needle booster of claim 4, wherein: the driving assembly comprises a large gear and a small gear, a trigger is fixed on the large gear and extends out of the handle, a sliding plate is arranged in the gun handle in a sliding mode, a fixed gear, a ratchet wheel and a pawl are arranged on the sliding plate, a vertical driving rack is fixed on the sliding plate, and the driving rack is meshed with the small gear.
6. The vaginal insertion needle booster of claim 5, wherein: the positioning mechanism comprises a positioning rack which is arranged in the sliding block in a sliding mode, the free end of the positioning rack faces the muzzle and can abut against the gun body, a positioning gear is meshed below the positioning rack, a positioning hook is fixed on the positioning gear, and a positioning groove matched with the positioning hook is formed in the inner wall of the gun body.
7. The vaginal insertion needle booster of claim 6, wherein: the deflector rod is rotatably arranged on the sliding block, and the positioning gear is coaxially connected with the deflector rod.
8. The vaginal insertion needle booster of claim 7, wherein: one side of the sliding block facing the muzzle is provided with a clamping bead with elasticity, the inner wall of the muzzle is provided with a clamping groove, and the clamping bead can be clamped in the clamping groove through deformation.
9. The vaginal insertion needle booster of claim 8, wherein: one side of the sliding block facing the muzzle is provided with a buffer piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478962.8A CN113082554B (en) | 2021-04-30 | 2021-04-30 | Propelling aid for vagina inserting needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478962.8A CN113082554B (en) | 2021-04-30 | 2021-04-30 | Propelling aid for vagina inserting needle |
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| CN113082554A true CN113082554A (en) | 2021-07-09 |
| CN113082554B CN113082554B (en) | 2022-07-01 |
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| CN202110478962.8A Active CN113082554B (en) | 2021-04-30 | 2021-04-30 | Propelling aid for vagina inserting needle |
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| CN113082554B (en) | 2022-07-01 |
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