CN113749740A - Accurate positioning auxiliary device of transperineal prostate puncture - Google Patents
Accurate positioning auxiliary device of transperineal prostate puncture Download PDFInfo
- Publication number
- CN113749740A CN113749740A CN202111087480.6A CN202111087480A CN113749740A CN 113749740 A CN113749740 A CN 113749740A CN 202111087480 A CN202111087480 A CN 202111087480A CN 113749740 A CN113749740 A CN 113749740A
- Authority
- CN
- China
- Prior art keywords
- fixed
- telescopic rod
- puncture
- side wall
- bevel gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000002307 prostate Anatomy 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000005294 ferromagnetic effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 210000002640 perineum Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010060862 Prostate cancer Diseases 0.000 description 1
- 208000000236 Prostatic Neoplasms Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本发明公开了一种经会阴前列腺穿刺精准定位辅助装置，涉及医疗辅助器械技术领域。包括穿刺针；伸缩杆；高度微调机构设在伸缩杆与穿刺针之间：第一把手一端设在伸缩杆侧壁上；第一锥齿轮套在第一把手上；第二锥齿轮与第一锥齿轮啮合；固定盘上表面设有第一环形凹槽，第二锥齿轮的底面设有对应的第二环形凹槽，其之间卡装多个滚珠；L型杆一端与固定盘侧壁固定，另一端与伸缩杆侧壁固定；螺纹杆与第二锥齿轮螺纹连接，其侧壁设有导向件，伸缩杆内壁设有导向槽；固定架包括两个竖板和一个横板，横板两端与两个竖板顶端固定，伸缩杆顶端设在横板底部；移动机构设在横板与伸缩杆之间。本发明的优点在于在手术时可以更精确科学的定位到异常靶区。
The invention discloses an accurate positioning auxiliary device for transperineal prostate puncture, and relates to the technical field of medical auxiliary devices. It includes a puncture needle; a telescopic rod; a height fine-tuning mechanism is set between the telescopic rod and the puncture needle: one end of the first handle is set on the side wall of the telescopic rod; the first bevel gear is sleeved on the first handle; the second bevel gear and the first bevel gear meshing; the upper surface of the fixed plate is provided with a first annular groove, the bottom surface of the second bevel gear is provided with a corresponding second annular groove, and a plurality of balls are clamped between them; one end of the L-shaped rod is fixed to the side wall of the fixed plate, The other end is fixed with the side wall of the telescopic rod; the threaded rod is threadedly connected with the second bevel gear, the side wall is provided with a guide piece, and the inner wall of the telescopic rod is provided with a guide groove; The end is fixed with the top ends of the two vertical plates, the top end of the telescopic rod is arranged at the bottom of the horizontal plate; the moving mechanism is arranged between the horizontal plate and the telescopic rod. The advantage of the present invention is that the abnormal target area can be positioned more accurately and scientifically during the operation.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a transperineal prostate puncture accurate positioning auxiliary device.
Background
Currently, prostate aspiration biopsy has become the gold standard for prostate cancer diagnosis, and the aspiration mode is various, and the most common is transrectal aspiration and transperineal aspiration. At present, the perineum free hand cognition fusion puncture is widely applied due to the advantages of simplicity, low requirement on equipment and the like. The transperineal free hand fusion puncture needs to firstly utilize a nuclear magnetic resonance mode in the using process to finish the imaging of the prostate part, and then measures the position relation of the abnormal target area, the perineum part and the rectum part. When specifically puncturing, medical personnel insert into the rectum by using the ultrasonic probe, then roughly judge the needle inserting position by holding the puncture needle, puncture the tip of the puncture needle into the abnormal target area of the prostate, and complete the puncture sampling.
At present, the position of executing the operation is determined by the experience of a doctor in the existing prostate puncture biopsy operation, the imaging treatment obtained by nuclear magnetic resonance and the like can be determined by measuring the angle, the depth and the like of an abnormal target area from the vertical center of a perineum, but when the operation is performed, medical staff can not accurately puncture a target point for sampling because a handheld puncture needle freely punctures, sometimes, the positioning deviation can be caused when the experience of the doctor is insufficient and the like, the situation that the position needs to be adjusted for many times can occur, great hidden dangers can be caused by the operation, even medical accidents can be caused, and the life of a patient can be threatened.
Disclosure of Invention
The invention provides an auxiliary device for accurate positioning of transperineal prostate puncture, which is used for solving the problems in the prior art.
The invention provides a transperineal prostate puncture accurate positioning auxiliary device, which comprises:
a transperineal prostate puncture precision positioning aid comprising:
the puncture needle is vertically downward;
the telescopic rod is positioned above the puncture needle;
height fine-tuning sets up between telescopic link and pjncture needle for adjust the axial position of pjncture needle, height fine-tuning includes: the first groove is formed in the side wall of the telescopic rod; the first handle is provided with a first bearing in a sleeved mode at one end, and the first bearing is clamped in the first groove; the first bevel gear is sleeved and fixed on the first handle; the second bevel gear is meshed with the first bevel gear, and internal threads are arranged on the inner wall of the middle part of the second bevel gear; the fixed disc is positioned below the second bevel gear, a through hole is formed in the middle of the fixed disc, a first annular groove is formed in the upper surface of the fixed disc, a second annular groove corresponding to the second bevel gear is formed in the bottom surface of the second bevel gear, and a plurality of balls are clamped between the first annular groove and the second annular groove; one end of the L-shaped rod is fixed with the side wall of the fixed disc, and the other end of the L-shaped rod is fixed with the side wall of the telescopic rod; the threaded rod penetrates through the through hole to be in threaded connection with the second bevel gear, a guide piece is arranged on the side wall of the upper part of the threaded rod, a guide groove matched with the inner wall of the telescopic rod is formed in the inner wall of the telescopic rod, and the bottom end of the threaded rod is connected with the top end of the puncture needle through a clamping mechanism;
the fixing frame comprises two vertical plates and a transverse plate, two ends of the transverse plate are fixed with the top ends of the two vertical plates, the top end of the telescopic rod is arranged at the bottom of the transverse plate, and the bottom ends of the two vertical plates are respectively arranged at two sides of the operating table;
and the moving mechanism is arranged between the transverse plate and the telescopic rod and is used for adjusting the radial position of the puncture needle.
Preferably, the clamping mechanism comprises:
one end of the support is fixed at the bottom of the threaded rod;
the first sliding chute is arranged at the bottom of the support along the length direction of the support;
the two first sliding blocks are respectively clamped in the first sliding grooves and are in sliding connection with the first sliding grooves;
the two clamps are respectively fixed with one ends of the two first sliding blocks, which are deviated from the first sliding grooves, and arc-shaped notches are formed in the side walls of the bottom ends of the two clamps and used for clamping the side walls of the puncture needle;
two sets of first tight subassembly of deciding, set up respectively on the support for spacing first slider.
Preferably, the first tightening assembly comprises:
the first connecting hole is formed in the side wall of the support;
the second connecting hole is formed in the side wall of the first sliding block;
and the first set screw penetrates through the first connecting hole and the second connecting hole respectively to be connected with the first sliding block.
Preferably, the moving mechanism includes:
the second sliding chute is arranged at the bottom of the transverse plate along the length direction of the transverse plate;
the second sliding block is clamped in the second sliding groove and is in sliding connection with the second sliding groove, and one end, away from the second sliding groove, of the second sliding block is connected with the telescopic rod;
and the second fastening assembly is arranged on the second sliding groove and used for limiting the second sliding block.
Preferably, the second tightening assembly comprises:
the plurality of third connecting holes are uniformly formed in the second sliding groove;
and the two second set screws are respectively positioned at two sides of the second sliding block and are connected with the second sliding groove after passing through the third connecting hole.
Preferably, the method further comprises the following steps: and the fine adjustment mechanism is arranged between the second sliding block and the telescopic rod and is used for fine adjustment of the position of the puncture needle.
Preferably, the fine adjustment mechanism comprises:
a second groove is formed in one end, away from the second sliding groove, of the second sliding block, a second bearing is sleeved at one end of the first rotating shaft, and the second bearing is clamped in the second groove;
the first gear is sleeved and fixed on the first rotating shaft;
the side wall of one end of the fixed shaft is fixed on the side wall of the first rotating shaft, and the other end of the fixed shaft is fixed at the top of the telescopic rod;
an incomplete gear engaged with the first gear;
and one end of the second handle is sleeved and fixed in the middle of the incomplete gear, and the other end of the second handle penetrates through the transverse plate and extends to the top of the transverse plate.
Preferably, the method further comprises the following steps: and the two sets of displacement mechanisms are respectively arranged between the two vertical plates and the operating bed and are used for adjusting the position of the fixing frame.
Preferably, the displacement mechanism comprises:
the sliding rail is fixed on the edge of the operating table;
and the third sliding block is clamped in the sliding rail and is in sliding connection with the sliding rail, and the side wall of the third sliding block is detachably connected with the bottom end of the vertical plate.
Preferably, the third slider and the riser have a detachable connection structure:
the ferromagnetic sheet is fixed on the third sliding block;
and the strong magnet is fixed at the bottom end of the vertical plate and is attracted with the ferromagnetic sheet.
Compared with the prior art, the invention discloses an auxiliary device for accurate positioning of transperineal prostate puncture, which has the beneficial effects that:
1. the height fine-tuning mechanism is arranged, the depth of puncture of the puncture needle can be accurately controlled until the abnormal target area, the first handle is rotated, the threaded rod is adjusted to rotate upwards or downwards through the meshing transmission of the second bevel gear and the first bevel gear, the first handle is rotated for one circle, the threaded rod rotates for one circle, the length of the thread for one circle can be controlled and determined, and therefore the depth of puncture of the puncture needle can be accurately controlled.
2. The puncture needle is clamped by the clamping mechanism, the puncture needle can be thrown once, other mechanism parts can be recycled, and the puncture needle is sterilized before use, so that the sterile environment during operation is ensured, and natural resources are saved. The bottom side walls of the two clamps for clamping the puncture needle are provided with arc-shaped notches, and the arc-shaped notches just conform to the shape of the side walls of the puncture needle, so that the puncture needle can be clamped more stably.
3. The position of pjncture needle is adjusted to fine setting mechanism, after utilizing the telescopic link to aim at the perineum that the patient needs the puncture, reuse moving mechanism roughly adjusts the horizontal position of pjncture needle, at the in-process of adjustment, the slight skew of horizontal position can appear, does not aim at patient's puncture position, utilizes fine setting mechanism can slightly adjust the horizontal position of pjncture needle, can be better the position of needle under the control, very big error can not appear, more accurate science.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the height adjustment mechanism and the clamping mechanism of the present invention;
FIG. 3 is a partial schematic view of the fine adjustment mechanism of the present invention.
The various reference numbers in the figures mean: 1-puncture needle, 2-telescopic rod, 3-height fine adjustment mechanism, 4-fixed frame, 7-fine adjustment mechanism, 8-displacement mechanism, 31-first handle, 32-first bevel gear, 33-second bevel gear, 34-fixed disc, 35-L-shaped rod, 36-threaded rod, 361-guide groove, 41-vertical plate, 42-transverse plate, 51-support, 52-clamp, 53-first set screw, 61-second chute, 62-second slide block, 71-first rotating shaft, 72-first gear, 73-fixed shaft, 74-incomplete gear, 75-second handle, 81-guide rail, 82-third slide block.
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.
The embodiment of the invention provides a transperineal prostate puncture accurate positioning auxiliary device which is shown in figure 1 and comprises: puncture needle 1, telescopic link 2, height fine-tuning 3, mount 4, moving mechanism. The puncture needle 1 is vertically downward, and the needle head is downward aligned with the perineum of the patient; the telescopic rod 2 is positioned above the puncture needle 1, and the telescopic rod 2 is used for roughly adjusting the position of the puncture needle 1 so that the needle head of the puncture needle 1 is propped against the part for puncturing the lower needle; height fine-tuning 3 sets up between telescopic link 2 and pjncture needle 1 for adjust the axial position of pjncture needle 1, the degree of depth of 1 puncture of control pjncture needle that can be accurate is until unusual target area, as shown in fig. 2, height fine-tuning 3 includes: a first groove, a first handle 31, a first bevel gear 32, a second bevel gear 33, a fixed plate 34, an L-shaped rod 35 and a threaded rod 36. The first groove is formed in the side wall of the telescopic rod 2; one end of the first handle 31 is sleeved with a first bearing, the first bearing is clamped in the first groove, the first bearing is used for reducing friction and cannot drive the telescopic rod 2 to rotate when the first handle 31 is rotated; the first bevel gear 32 is sleeved and fixed on the first handle 31; the second bevel gear 33 is meshed with the first bevel gear 32, and the inner wall of the middle part of the second bevel gear 33 is provided with internal threads; the fixed disk 34 is positioned below the second bevel gear 33, a through hole is formed in the middle of the fixed disk 34, a first annular groove is formed in the upper surface of the fixed disk 34, a second annular groove corresponding to the bottom surface of the second bevel gear 33 is formed in the bottom surface of the second bevel gear 33, and a plurality of balls are clamped between the first annular groove and the second annular groove; one end of the L-shaped rod 35 is fixed with the side wall of the fixed disc 34, and the other end is fixed with the side wall of the telescopic rod 2; the threaded rod 36 penetrates through the through hole to be in threaded connection with the second bevel gear 33, a guide piece is arranged on the side wall of the upper portion of the threaded rod 36, a guide groove 361 matched with the inner wall of the telescopic rod 2 is formed in the inner wall of the telescopic rod, the bottom end of the threaded rod 36 is connected with the top end of the puncture needle 1 through a clamping mechanism, and the clamping mechanism is used for clamping the puncture needle 1 to facilitate replacement of the puncture needle 1; the fixing frame 4 comprises two vertical plates 41 and a transverse plate 42, the two ends of the transverse plate 42 are fixed with the top ends of the two vertical plates 41, the top end of the telescopic rod 2 is arranged at the bottom of the transverse plate 42, the bottom ends of the two vertical plates 41 are respectively arranged at the two sides of the operating bed, and the fixing frame 4 is used for fixing the whole puncture positioning device; and the moving mechanism is arranged between the transverse plate 42 and the telescopic rod 2 and is used for adjusting the radial position of the puncture needle 1.
The use principle of the height fine adjustment mechanism 3 is as follows: the first handle 31 is rotated, the first bevel gear 32 connected with the first handle is rotated, so that the second bevel gear 33 meshed with the first bevel gear is rotated, the threaded rod 36 can be adjusted to rotate upwards or downwards, the first handle 31 rotates for one circle, the threaded rod 36 rotates for one circle of threads, the length of the one circle of threads can be controlled and determined, the puncture depth of the puncture needle 1 can be accurately controlled, and the rotation of the handles can be replaced by the rotation of a motor and the like to drive the first bevel gear 32 to rotate. The guide groove 361 and the guide member are for preventing the screw rod 36 from rotating so that the screw rod can only move up and down in the vertical direction, and the fixing plate 34 and the L-shaped rod 35 function to support the second bevel gear 33, thereby better completing the transmission of the movement. The movement mechanism can adjust the position of the puncture needle 1.
Further, as shown in fig. 2, the clamping mechanism includes: support 51, first spout, first slider, clip 52, the first tight subassembly of deciding. One end of the support 51 is fixed at the bottom of the threaded rod 36 and is used for supporting the whole clamped component; the first sliding chute is arranged at the bottom of the support 51 along the length direction of the support 51; the two first sliding blocks are respectively clamped in the first sliding grooves and are in sliding connection with the first sliding grooves; the two clamps 52 are respectively fixed with one ends of the two first sliding blocks, which are deviated from the first sliding grooves, the side walls of the bottom ends of the two clamps 52 are provided with arc-shaped notches for clamping the side walls of the puncture needle 1, and the arc-shaped notches just conform to the shape of the side walls of the puncture needle 1, so that the puncture needle 1 can be clamped more stably; two sets of first tight subassembly of deciding set up respectively on support 51 for spacing first slider. When the puncture needle is used, the two clamps 52 are slid to clamp the side wall of the puncture needle 1 and then the first sliding block is locked, so that the puncture needle is simple in structure and convenient to use. When the whole positioning device is used, the puncture needle 1 can be thrown once, other mechanism parts can be recycled, and the puncture needle is sterilized before use, so that the sterile environment during operation is ensured, and natural resources are saved.
Further, the first tightening assembly comprises: first connecting hole, second connecting hole, first set screw 53. The first connection hole is formed in the side wall of the support 51; the second connecting hole is formed in the side wall of the first sliding block; the first set screw 53 is connected to the first slider through the first connecting hole and the second connecting hole, respectively. During locking, the puncture needle 1 is clamped by the gap parts of the two clamps 52, so that the second connecting holes on the two first sliders are aligned to the positions of the first connecting holes, and then the first set screw 53 penetrates through the first connecting holes and the second connecting holes to be connected with the first sliders.
Further, the moving mechanism includes: second spout 61, second slider 62, the second tight subassembly. The second sliding chute 61 is arranged at the bottom of the transverse plate 42 along the length direction of the transverse plate 42; the second sliding block 62 is clamped in the second sliding groove 61 and is connected with the second sliding groove 61 in a sliding manner, and one end, away from the second sliding groove 61, of the second sliding block 62 is connected with the telescopic rod 2; the second fastening assembly is arranged on the second sliding groove 61 and used for limiting the second sliding block 62. When moving, the second slide block 62 is slid to a proper position and locked.
Further, the second tightening assembly comprises: third connecting hole, second holding screw. The plurality of third connecting holes are uniformly formed in the second sliding groove 61; two second holding screws are respectively positioned at two sides of the second sliding block 62, and the second holding screws penetrate through the third connecting holes and then are connected with the second sliding grooves 61. During the use, with telescopic link 2 slip to the position of puncture, then with the second holding screw pass be located the second slider 62 both sides the third connecting hole be connected with second spout 61 can.
Further, the method also comprises the following steps: the fine adjustment mechanism 7 is arranged between the second slide block 62 and the telescopic rod 2 and is used for fine adjustment of the position of the puncture needle 1. After the telescopic rod 2 is used for aligning the perineum part of the patient needing to be punctured, the horizontal position of the puncture needle 1 is roughly adjusted by the moving mechanism, slight deviation of the horizontal position may occur in the adjusting process, the puncture part of the patient is not aligned, and the horizontal position of the puncture needle 1 can be slightly adjusted by the fine adjustment mechanism 7.
Further, the fine adjustment mechanism 7 includes: a first rotating shaft 71, a first gear 72, a fixed shaft 73, a incomplete gear 74 and a second handle 75. A second groove is formed in one end, away from the second sliding chute 61, of the second sliding block 62, a second bearing is sleeved at one end of the first rotating shaft 71 and clamped in the second groove, the second bearing is used for reducing friction, and the second sliding block 62 cannot be driven to rotate when the first rotating shaft 71 rotates; the first gear 72 is fixed on the first rotating shaft 71 in a sleeved mode; one end of the fixed shaft 73 is fixed on the side wall of the first rotating shaft 71, so that the telescopic rod 2 is positioned below the first gear 72, and the other end is fixed on the top of the telescopic rod 2; the partial gear 74 meshes with the first gear 72; one end of the second handle 75 is fixed to the middle of the incomplete gear 74 in a sleeving manner, and the other end extends to the top of the transverse plate 42 through the transverse plate 42. The use principle of the fine adjustment mechanism 7 is as follows: when the second handle 75 is rotated, the incomplete gear 74 connected thereto is rotated, so that the first gear 72 engaged therewith is rotated, the first rotating shaft 71 is rotated to drive the fixed shaft 73 to rotate, and finally the telescopic rod 2 connected with the fixed shaft 73 is slightly moved in the horizontal direction. The second handle 75 rotates for one circle, the incomplete gear 74 rotates for one circle, the first gear 72 rotates for the distance of one tooth, and the incomplete gear 74 is designed to finely adjust the position of the puncture needle 1, so that the position of the puncture needle can be controlled better, great errors cannot occur, and the method is more accurate and scientific. The connection part of the gears is shown in figure 3.
Further, the method also comprises the following steps: the two sets of displacement mechanisms 8 are respectively arranged between the two vertical plates 41 and the operating bed and used for adjusting the position of the fixing frame 4. The entire positioning device can be roughly adjusted to be positioned above the perineum of the patient.
Further, the displacement mechanism 8 includes: a slide rail 81 and a third slide block 82. The sliding rail 81 is fixed on the edge of the operating table; the third sliding block 82 is clamped in the sliding rail 81 and is connected with the sliding rail in a sliding manner, and the side wall of the third sliding block 82 is detachably connected with the bottom end of the vertical plate 41. Before puncturing, the third sliding block 82 is firstly slid to enable the whole positioning device to be positioned above the perineum of the patient, wherein a limiting mechanism which can limit the third sliding block 82 to continuously slide is arranged on the sliding rail 81.
Further, the detachable connection structure of the third sliding block 82 and the vertical plate 41 is as follows: ferromagnetic plates, powerful magnets. A ferromagnetic plate is fixed to the third slider 82; the strong magnet is fixed at the bottom end of the vertical plate 41 and is attracted with the ferromagnetic sheet. When the positioning device is used, the sliding rail 81 and the third sliding block 82 are positioned at two sides of an operating table, then an operating towel is laid, the powerful magnet and the ferromagnetic sheet are attracted, the sliding rail 81 and the third sliding block 82 are positioned in a sterile environment at two sides of the operating table, the whole positioning device is separated from the operating towel, the sterile environment can be guaranteed, and the positioning device is more sanitary during operation.
According to the principle, when the device is used, the third sliding block 82 slides to the two sides of the perineum of a patient, the vertical plate 41 and the third sliding block 82 are attracted and connected with the ferromagnetic sheet through the powerful magnet, the length of the telescopic rod 2 is adjusted, after the perineum needing to be punctured of the patient is aligned, the horizontal position of the puncture needle 1 is roughly adjusted by the aid of the moving mechanism, in the adjusting process, if the slight deviation of the horizontal position is not aligned, the horizontal position of the puncture needle 1 can be slightly adjusted by the fine adjusting mechanism 7, the position needing to be punctured can be aligned, finally, the first handle 31 is rotated according to the vertical central depth of the obtained abnormal target area distance from the perineum, and the needle inserting depth is adjusted.
The invention has the advantages that:
1. the height fine-tuning mechanism is arranged, the depth of puncture of the puncture needle can be accurately controlled until the abnormal target area, the first handle is rotated, the threaded rod is adjusted to rotate upwards or downwards through the meshing transmission of the second bevel gear and the first bevel gear, the first handle is rotated for one circle, the threaded rod rotates for one circle, the length of the thread for one circle can be controlled and determined, and therefore the depth of puncture of the puncture needle can be accurately controlled.
2. The puncture needle is clamped by the clamping mechanism, the puncture needle can be thrown once, other mechanism parts can be recycled, and the puncture needle is sterilized before use, so that the sterile environment during operation is ensured, and natural resources are saved. The bottom side walls of the two clamps for clamping the puncture needle are provided with arc-shaped notches, and the arc-shaped notches just conform to the shape of the side walls of the puncture needle, so that the puncture needle can be clamped more stably.
3. The position of pjncture needle is adjusted to fine setting mechanism, after utilizing the telescopic link to aim at the perineum that the patient needs the puncture, reuse moving mechanism roughly adjusts the horizontal position of pjncture needle, at the in-process of adjustment, the slight skew of horizontal position can appear, does not aim at patient's puncture position, utilizes fine setting mechanism can slightly adjust the horizontal position of pjncture needle, can be better the position of needle under the control, very big error can not appear, more accurate science.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087480.6A CN113749740B (en) | 2021-09-16 | 2021-09-16 | Accurate positioning auxiliary device of transperineal prostate puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087480.6A CN113749740B (en) | 2021-09-16 | 2021-09-16 | Accurate positioning auxiliary device of transperineal prostate puncture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113749740A true CN113749740A (en) | 2021-12-07 |
| CN113749740B CN113749740B (en) | 2022-07-05 |
Family
ID=78796007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111087480.6A Expired - Fee Related CN113749740B (en) | 2021-09-16 | 2021-09-16 | Accurate positioning auxiliary device of transperineal prostate puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113749740B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | A nasal mucosal puncture positioning device for stem cell transnasal transplantation |
| CN119924958A (en) * | 2025-04-09 | 2025-05-06 | 上海市松江区中心医院（上海交通大学附属第一人民医院松江分院） | Prostate puncture surgical device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080200931A1 (en) * | 2007-02-20 | 2008-08-21 | Tyco Healthcare Group Lp | Auxiliary device for a puncture needle |
| US20120245455A1 (en) * | 2009-08-31 | 2012-09-27 | Universite Joseph Fournier | Control System and Method for Precisely Guiding a Percutaneous Needle Toward the Prostate |
| US20150065791A1 (en) * | 2012-03-23 | 2015-03-05 | Terumo Kabushiki Kaisha | Puncture apparatus |
| CN211484817U (en) * | 2019-07-31 | 2020-09-15 | 江苏省人民医院（南京医科大学第一附属医院） | Thoracic-heart surgery drainage puncture positioning device |
| CN211796754U (en) * | 2019-11-27 | 2020-10-30 | 闫峰 | B-ultrasonic puncture positioning device |
| CN213129799U (en) * | 2020-07-22 | 2021-05-07 | 贵州医科大学第三附属医院 | Positioning puncture outfit for neurosurgery |
| CN112842484A (en) * | 2021-01-07 | 2021-05-28 | 西安国际医学中心有限公司 | Safety auxiliary tool for puncture equipment |
| CN213697111U (en) * | 2020-09-27 | 2021-07-16 | 徐州市第一人民医院 | Tumor puncture device with adjustable depth |
-
2021
- 2021-09-16 CN CN202111087480.6A patent/CN113749740B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080200931A1 (en) * | 2007-02-20 | 2008-08-21 | Tyco Healthcare Group Lp | Auxiliary device for a puncture needle |
| US20120245455A1 (en) * | 2009-08-31 | 2012-09-27 | Universite Joseph Fournier | Control System and Method for Precisely Guiding a Percutaneous Needle Toward the Prostate |
| US20150065791A1 (en) * | 2012-03-23 | 2015-03-05 | Terumo Kabushiki Kaisha | Puncture apparatus |
| CN211484817U (en) * | 2019-07-31 | 2020-09-15 | 江苏省人民医院（南京医科大学第一附属医院） | Thoracic-heart surgery drainage puncture positioning device |
| CN211796754U (en) * | 2019-11-27 | 2020-10-30 | 闫峰 | B-ultrasonic puncture positioning device |
| CN213129799U (en) * | 2020-07-22 | 2021-05-07 | 贵州医科大学第三附属医院 | Positioning puncture outfit for neurosurgery |
| CN213697111U (en) * | 2020-09-27 | 2021-07-16 | 徐州市第一人民医院 | Tumor puncture device with adjustable depth |
| CN112842484A (en) * | 2021-01-07 | 2021-05-28 | 西安国际医学中心有限公司 | Safety auxiliary tool for puncture equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | A nasal mucosal puncture positioning device for stem cell transnasal transplantation |
| CN117481763B (en) * | 2023-12-22 | 2024-04-30 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
| CN119924958A (en) * | 2025-04-09 | 2025-05-06 | 上海市松江区中心医院（上海交通大学附属第一人民医院松江分院） | Prostate puncture surgical device |
| CN119924958B (en) * | 2025-04-09 | 2025-06-17 | 上海市松江区中心医院（上海交通大学附属第一人民医院松江分院） | Prostate puncture operation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113749740B (en) | 2022-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113749740A (en) | Accurate positioning auxiliary device of transperineal prostate puncture | |
| CN105943130B (en) | A kind of puncture supporter | |
| CN105852975B (en) | A kind of compatible mammary gland intervention operation device of nuclear-magnetism | |
| CN106821464B (en) | Ultrasonic penetration depth control device with convex array probe intervention | |
| CN114587534A (en) | Auxiliary support device used in conjunction with puncture and ultrasonic probe | |
| CN104382649A (en) | CT real-time guide puncture positioning device | |
| CN101773411A (en) | Puncturing and positioning device | |
| CN211325447U (en) | Clinical tumor chemotherapy locator | |
| CN108721769A (en) | A kind of radioactive particle chain implanted device | |
| CN103330594A (en) | Auxiliary puncture needle feeding device driven by stepping motor | |
| CN116965891A (en) | Ultrasonic guidance puncture auxiliary device | |
| CN110946627A (en) | A nephrology biopsy puncture device | |
| CN213047223U (en) | Novel intramedullary needle inserting guider | |
| CN213641116U (en) | Positioner is used in epidural anesthesia | |
| CN211560291U (en) | Puncture needle positioning mechanism for ICU ultrasonic guidance of thoracic surgery department | |
| CN112057146A (en) | Anesthesiology puncture fixation device | |
| CN111671506B (en) | Pneumothorax puncture guiding and positioning device for department of respiration | |
| CN219184708U (en) | Head fixing device for operation | |
| CN217938331U (en) | Prostate cancer transperineal universal puncture rack | |
| CN205913379U (en) | Puncture rack | |
| WO2017206166A1 (en) | Puncturing frame | |
| CN208769943U (en) | A kind of puncture positioning device for establishing left ventricle intervention approach | |
| CN220175200U (en) | Auxiliary puncture device | |
| CN211325461U (en) | Puncture positioning device for cardiac surgery | |
| CN221513215U (en) | Drainage tube fixing frame structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |