CN111407372B - Location puncture guiding device - Google Patents
Location puncture guiding device Download PDFInfo
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- CN111407372B CN111407372B CN202010240818.6A CN202010240818A CN111407372B CN 111407372 B CN111407372 B CN 111407372B CN 202010240818 A CN202010240818 A CN 202010240818A CN 111407372 B CN111407372 B CN 111407372B
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- tube
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- pipe
- puncture
- positioning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
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- Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a positioning puncture guiding device, and belongs to the field of puncture biopsy. A positioning puncture guide device, comprising: the device comprises a rack, a connecting frame, a guide pipe and a positioning assembly; the connecting frame is hinged to the rack and comprises two connecting rods, a sliding block and a push rod, and the connecting rods are hinged to the rack; the push rods are horizontally arranged between the connecting rods, and two ends of each push rod are respectively connected with the two connecting rods in a sliding manner; the sliding block is arranged below the push rod and is in sliding connection with the push rod; the positioning assembly comprises a sucker, a rotating pipe, a base, a worm wheel and a worm, a through hole is formed in the middle of the base, and the rotating pipe corresponds to the guide pipe; compared with the prior art, the positioning puncture guiding device can provide good support and improve the puncture precision.
Description
Technical Field
The invention relates to the field of puncture guiding, in particular to a positioning puncture guiding device.
Background
The CT guided puncture is to judge the position of a focus by taking CT detection as a guide, determine a puncture point, a puncture direction and puncture force, and remove living tissues for pathological examination. Through puncture, can obtain accurate live body sample, can accurately judge the focus kind according to this. And the wound formed by puncture is small, and the influence on the pathological change part is small, so the puncture needle is widely applied to medical pathological detection.
At present, puncture guide is that operators carry out manual judgment and manual puncture according to CT film results. The method has high requirements on operators, and the operators often need to have years of clinical experience to make accurate judgment. Although there are many kinds of puncture guides on the market, the conventional guide cannot stably support and guide the puncture needle during puncture, and the guide angle may be deviated during operation.
Disclosure of Invention
In order to solve the technical problems, the invention provides a positioning puncture guiding device, which solves the technical problem of unstable supporting and guiding in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a positioning puncture guide device, comprising: the device comprises a rack, a connecting frame, a guide pipe and a positioning assembly;
the connecting frame is hinged to the rack and comprises two connecting rods, a sliding block and a push rod, and the connecting rods are hinged to the rack; the push rods are horizontally arranged between the connecting rods, and two ends of each push rod are respectively connected with the two connecting rods in a sliding manner; the sliding block is arranged below the push rod and is in sliding connection with the push rod; the slide block is provided with a universal coupling and is connected with the guide pipe through the universal coupling,
the positioning assembly comprises a sucker, a rotating pipe, a base, a worm wheel and a worm, the base is adsorbed on the body surface of a patient through the sucker, a through hole is formed in the middle of the base, and the rotating pipe corresponds to the guide pipe; the worm wheel and the worm are embedded in the base, the worm is connected with the base in a rotating mode, the worm wheel is fixedly connected with the rotating pipe, and the worm wheel is meshed with the worm.
Further, still include laser lamp, spirit level and angle sensor, the laser lamp set up in on the stand pipe, the light of laser lamp output with the center pin collineation of stand pipe, angle sensor set up in on the rotating tube, spirit level fixed mounting be in on the rotating tube outer wall, the arrangement direction of spirit level with the rotating tube is mutually perpendicular.
Furthermore, an adapter is arranged at the upper end of the guide pipe, a collecting pipe is arranged on one side of the adapter, the other side of the adapter is fixedly connected with the laser lamp, a rotating shaft is fixedly connected to the middle of the adapter, and the rotating shaft is rotatably connected with the outer wall of the guide pipe; a puncture needle is arranged in the rotating tube and can slide along the inner wall of the rotating tube;
the collecting pipe corresponds to the guide pipe, an opening is formed in one end, close to the guide pipe, of the collecting pipe, and the collecting pipe is detachably connected with the adaptor.
Furthermore, a sliding groove is formed in the rack and is perpendicular to the push rod, a sliding rod is connected in the sliding groove in a sliding mode, one end of the sliding rod is hinged to the connecting rod, a fastening screw is connected to the rack in a threaded mode, and the sliding rod can be pressed in the sliding groove through the fastening screw.
The guide pipe is characterized by further comprising a propelling screw and an end head, wherein an external thread is arranged on the outer wall of the upper end of the guide pipe, a threaded hole is formed in the end head, the threaded hole is communicated with the guide pipe, the screw is matched with the threaded hole, and the screw stretches into the guide pipe through the threaded hole.
Furthermore, a tool bag and a tool slot are fixedly mounted on the rack.
Furthermore, a layer of spongy cushion is arranged on the inner wall of the guide pipe.
Furthermore, a lamp tube is arranged between the two connecting rods, and two ends of the lamp tube are respectively connected with the two connecting rods in a sliding manner.
The invention has the beneficial effects that:
according to the positioning puncture guiding device, the positioning assembly, the guide pipe and the connecting frame are arranged, the positioning device is adsorbed on the body surface of a patient through the sucker of the positioning device, initial positioning is carried out on the body surface of the patient, and a puncture angle is determined. And then the guide tube is adjusted to enable the guide tube to be coaxially jointed with the arranged rotating tube, so that the puncture angle can be ensured to meet the expectation, and stable support can be provided through the guide tube and the rotating tube, so that the puncture of the rotating tube does not deviate from the preset direction.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a perspective view of a positioning puncture guide device according to the present application;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a cross-sectional structural schematic view of a guide tube of the present application;
fig. 4 is a cross-sectional structural schematic view of the positioning assembly of the present application.
The parts corresponding to the reference numerals in the figures are as follows:
1. a frame; 2. a guide tube; 3. a connecting rod; 4. a push rod; 5. a suction cup; 6. rotating the tube; 7. a base; 8. a worm gear; 9. a worm; 10. a laser light; 11. a level gauge; 12. a collection tube; 13. a rotating shaft; 14. a slide bar; 15. fastening screws; 16. a lamp tube; 17. a screw is advanced; 18. and (4) a terminal.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-4, a positioning puncture guiding device includes: the device comprises a frame 1, a connecting frame, a guide pipe 2 and a positioning assembly; the connecting frame is hinged on the rack 1 and comprises two connecting rods 3, a sliding block and a push rod 4, and the connecting rods 3 are hinged with the rack 1; the push rod 4 is horizontally arranged between the connecting rods 3, and two ends of the push rod 4 are respectively connected with the two connecting rods 3 in a sliding manner; the sliding block is arranged below the push rod 4 and is in sliding connection with the push rod 4; the slide block is provided with a universal coupling, the slide block is connected with the guide pipe 2 through the universal coupling, the positioning assembly comprises a sucker 5, a rotating pipe 6, a base 7, a worm wheel 8 and a worm 9, the base 7 is adsorbed on the body surface of a patient through the sucker 5, the middle part of the base 7 is provided with a through hole, and the rotating pipe 6 corresponds to the guide pipe 2; the worm wheel 8 and the worm 9 are embedded in the base 7, the worm 9 is rotatably connected with the base 7, the worm wheel 8 is fixedly connected with the rotating pipe 6, and the worm wheel 8 is meshed with the worm 9.
The frame 1 is used for carrying parts such as a connecting frame, a guide pipe 2 and a positioning assembly, and the frame 1 can be fixedly placed on the horizontal ground and can also be fixedly installed or slidably installed on an operating bed through a sliding rail. The positioning component is attached to the body surface of the patient to assist in supporting and positioning.
Specifically, in one embodiment of the present invention, the operator is required to give priority to the puncture angle when he or she needs to avoid vital organs and tissues. Corresponding to the device, the specific operation is as follows, an operator can firstly determine the position of a target point according to a CT image and determine the puncture angle. Depending on the puncture angle, the operator may rotate the worm 9 of the positioning assembly such that the worm 9 drives the worm gear 8 to rotate the tube 6 such that the tube 6 assumes an angle corresponding to the desired puncture angle. It can be understood that the worm wheel 8 and the worm 9 are matched, so that fine angle adjustment of an operator is facilitated, the worm wheel 8 and the worm 9 are meshed with each other in a self-locking mode, and after adjustment, the rotating pipe 6 cannot change the angle with the base 7 due to other external forces. Before puncturing, a patient can be adjusted to lie down under the push rod 4, the adjusted positioning assembly is fixed at a puncturing point through the sucker 5, and an operator pushes the push rod 4 downwards and simultaneously rotates the connecting rod 3, so that the lower end of the guide tube 2 is connected with the upper end of the rotating tube 6. At this time, the operator can insert the puncture needle into the patient body through the guide tube 2 and the rotation tube 6 in order to perform the puncture.
Through the arrangement, the device can be used for preliminarily positioning on the body surface of a patient, determining the puncture angle and then adjusting the guide tube 2, so that the guide tube 2 is coaxially connected with the arranged rotating tube 6, the puncture angle can be ensured to meet the expectation, stable support can be provided through the guide tube 2 and the rotating tube 6, and the puncture needles in the guide tube 2 and the rotating tube 6 do not deviate from the preset direction.
For a specific patient, in order to minimize the puncture depth, the body surface position closest to the target point needs to be preferentially selected as the puncture point. In view of the situation, the device further comprises a laser lamp 10, a level gauge 11 and an angle sensor, wherein the laser lamp 10 is arranged on the guide tube 2, the light output by the laser lamp 10 is collinear with the central axis of the guide tube 2, the angle sensor is arranged on the rotating tube 6, the level gauge 11 is fixedly arranged on the outer wall of the rotating tube 6, and the arrangement direction of the level gauge 11 is perpendicular to the rotating tube 6.
According to the above further arrangement, the present invention provides another embodiment, the operator can first determine the position of the body surface of the patient closest to the target point, and use the marking tool to make the marking point. Thereafter, the operator can make the output light of the laser lamp 10 directed to the mark point by adjusting the angle of the link 3. And a positioning component is arranged at the marked position, and the rotating tube 6 is adjusted, so that the laser of the laser lamp 10 can penetrate through the transmission tube and irradiate to the marked point. At this time, the laser lamp 10 of the fixed link 3 continuously points to the marking point while pushing the pressing rod downward so that the rotating tube 6 is coaxially engaged with the guide tube 2. After the engagement, the operator can then insert the puncture needle into the patient through the guide tube 2 and the rotation tube 6 in order to perform the puncture.
Through the setting, an operator can preferentially position the optimal puncture point, and then adjust the puncture angle according to the actual situation of the puncture point, so that the positioning accuracy of the puncture point is improved. In addition, the level 11 and the angle sensor in this embodiment can correct the direction of the rotating pipe 6 after determining the positioning point by the operator through the measurement values of the angle sensor and the level 11.
Further, in the embodiment, an adapter is arranged at the upper end of the guide tube 2, one side of the adapter is provided with a collection tube 12, the other side of the adapter is fixedly connected with the laser lamp 10, the middle part of the adapter is fixedly connected with a rotating shaft 13, and the rotating shaft 13 is rotatably connected with the outer wall of the guide tube 2; a puncture needle is arranged in the rotating tube 6 and can slide along the inner wall of the rotating tube 6; the collecting pipe 12 corresponds to the guide pipe 2, an opening is formed in one end, close to the guide pipe 2, of the collecting pipe 12, and the collecting pipe 12 is detachably connected with the adaptor.
Specifically, the laser lamp 10 is used to calibrate the angle of the guide tube 2 when positioning is performed, and the rotation shaft 13 of the adaptor is rotated when positioning is performed so that the laser lamp 10 is arranged coaxially with the guide tube 2. At this time, the direction of the light output by the laser lamp 10 is coaxial with the guide tube 2, when the laser lamp 10 points to the mark point, the central axis of the guide tube 2 also points to the mark point, and the operator adjusts the guide tube 2 through the direction of the light of the laser lamp 10. After the positioning and adjustment is completed, the rotating shaft 13 needs to be rotated so that the lower end of the guide tube 2 can be engaged with the rotating tube 6. After the puncture is completed, the living body sample needs to be removed, the push rod 4 is pulled up at the moment, the puncture needle is drawn back into the guide tube 2, the rotating shaft 13 is rotated, the opening of the sampling tube is rotated to be right below the guide tube 2, and the living body sample in the puncture needle is placed into the sampling tube. Through this kind of setting, the operator accessible rotates pivot 13 for laser lamp 10 and sampling pipe and the lower extreme of stand pipe 2 switch on in turn, thereby can switch over fast and use laser lamp 10 and sampling pipe, and, when the live body sample takes out, the operator can remove the sampling pipe to stand pipe 2 below fast, thereby collects the live body sample fast.
A sliding groove is formed in the rack 1 and is perpendicular to the push rod 4, a sliding rod 14 is connected in the sliding groove in a sliding mode, one end of the sliding rod 14 is hinged to the connecting rod 3, a fastening screw 15 is connected to the rack 1 in a threaded mode, and the sliding rod 14 can be compressed in the sliding groove through the fastening screw 15. That is, the operator adjusts the angle of the connecting rod 3 to slide the sliding rod 14 along the sliding groove. After the direction of the connecting rod 3 is adjusted, the slide rod 14 is pressed and fixed in the chute by screwing the fastening screw 15, and the slide rod 14 is fixed, so that the adjusted connecting rod 3 is not rotated, an operator can conveniently perform the next action, and the connecting rod 3 is fixed without the need of throwing hands.
Further, this device still includes propulsion screw rod 17 and end 18, and the outer wall of 2 upper ends of stand pipe is equipped with the external screw thread, has seted up threaded hole on the end 18, and threaded hole and stand pipe 2 intercommunication, screw rod and threaded hole cooperate, and the screw rod passes through the threaded hole and stretches into stand pipe 2. Through the arrangement, an operator can push the puncture needle in the guide tube 2 by rotating the screw rod, so that the puncture needle can be slowly and stably pushed, and the puncture depth can be controlled more easily.
In addition, a tool bag and a tool slot are fixedly arranged on the frame 1 and can be used for preventing surgical tools and medicines. The inner wall of the guide tube 2 is provided with a layer of spongy cushion, so that the friction and the shaking of the puncture needle in the guide tube 2 are reduced. A lamp tube 16 is arranged between the two connecting rods 3, two ends of the lamp tube 16 are respectively connected with the two connecting rods 3 in a sliding manner, the lamp tube 16 is used for improving the brightness of the puncture point and facilitating puncture operation, and the lamp tube 16 can slide along the connecting rods 3 to adjust the illumination angle.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. A positioning puncture guide device, comprising: the device comprises a rack (1), a connecting frame, a guide pipe (2), a positioning assembly, a laser lamp (10), a level gauge (11) and an angle sensor;
the connecting frame is hinged to the rack (1), the connecting frame comprises two connecting rods (3), a sliding block and a push rod (4), and the connecting rods (3) are hinged to the rack (1); the push rods (4) are horizontally arranged between the connecting rods (3), and two ends of each push rod (4) are respectively connected with the two connecting rods (3) in a sliding mode; the sliding block is arranged below the push rod (4) and is in sliding connection with the push rod (4); the slide block is provided with a universal coupling and is connected with the guide pipe (2) through the universal coupling,
the positioning assembly comprises a sucker (5), a rotating pipe (6), a base (7), a worm wheel (8) and a worm (9), the base (7) is adsorbed on the body surface of a patient through the sucker (5), a through hole is formed in the middle of the base (7), and the rotating pipe (6) corresponds to the guide pipe (2); the worm wheel (8) and the worm (9) are embedded in the base (7), the worm (9) is rotatably connected with the base (7), the worm wheel (8) is fixedly connected with the rotating pipe (6), and the worm wheel (8) is meshed with the worm (9);
laser lamp (10) set up in on stand pipe (2), the light of laser lamp (10) output with the center pin collineation of stand pipe (2), angle sensor set up in on rotating tube (6), spirit level (11) fixed mounting be in on rotating tube (6) outer wall, the direction of arranging of spirit level (11) with rotating tube (6) are mutually perpendicular.
2. The device for guiding puncture positioning as claimed in claim 1, wherein an adapter is arranged at the upper end of the guide tube (2), a collection tube (12) is arranged at one side of the adapter, the other side of the adapter is fixedly connected with the laser lamp (10), a rotating shaft (13) is fixedly connected to the middle of the adapter, and the rotating shaft (13) is rotatably connected with the outer wall of the guide tube (2); a puncture needle is arranged in the rotating tube (6), and the puncture needle can slide along the inner wall of the rotating tube (6);
the collecting pipe (12) corresponds to the guide pipe (2), an opening is formed in one end, close to the guide pipe (2), of the collecting pipe (12), and the collecting pipe (12) is detachably connected with the adaptor.
3. A positioning, puncturing and guiding device according to claim 1, wherein a sliding groove is formed in said frame (1), said sliding groove is perpendicular to said push rod (4), a sliding rod (14) is slidably connected to said sliding groove, one end of said sliding rod (14) is hinged to said connecting rod (3), a fastening screw (15) is threadedly connected to said frame (1), and said fastening screw (15) can press said sliding rod (14) in said sliding groove.
4. A positioning, piercing and guiding device as claimed in claim 1, further comprising a pushing screw (17) and a tip (18), wherein the outer wall of the upper end of the guide tube (2) is externally threaded, the tip (18) is provided with a threaded hole, the threaded hole is communicated with the guide tube (2), the pushing screw is matched with the threaded hole, and the pushing screw is inserted into the guide tube (2) through the threaded hole.
5. A positioning puncture guide device according to claim 1, wherein a tool bag and a tool slot are fixedly mounted on the frame (1).
6. A positioning puncture guide device according to claim 1, wherein the inner wall of the guide tube (2) is provided with a sponge pad.
7. A positioning puncture guide device according to claim 1, wherein a light tube (16) is disposed between the two connecting rods (3), and both ends of the light tube (16) are slidably connected to the two connecting rods (3), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240818.6A CN111407372B (en) | 2020-03-31 | 2020-03-31 | Location puncture guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010240818.6A CN111407372B (en) | 2020-03-31 | 2020-03-31 | Location puncture guiding device |
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| Publication Number | Publication Date |
|---|---|
| CN111407372A CN111407372A (en) | 2020-07-14 |
| CN111407372B true CN111407372B (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010240818.6A Active CN111407372B (en) | 2020-03-31 | 2020-03-31 | Location puncture guiding device |
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| CN (1) | CN111407372B (en) |
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| Publication number | Publication date |
|---|---|
| CN111407372A (en) | 2020-07-14 |
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