CN216294207U - Puncture angle positioning device - Google Patents
Puncture angle positioning device Download PDFInfo
- Publication number
- CN216294207U CN216294207U CN202120200131.XU CN202120200131U CN216294207U CN 216294207 U CN216294207 U CN 216294207U CN 202120200131 U CN202120200131 U CN 202120200131U CN 216294207 U CN216294207 U CN 216294207U
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- Prior art keywords
- cross
- section
- puncture
- channel
- positioning
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- 239000004698 Polyethylene Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000002591 computed tomography Methods 0.000 description 4
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model discloses a puncture angle positioning device, which comprises a cross section positioning component, a sagittal positioning component and a connecting component, wherein the cross section positioning component, the sagittal positioning component and the connecting component are connected through the connecting component; the cross section positioning assembly comprises a cross section rail, the side surface of the cross section rail is provided with an angle mark, the cross section rail is provided with a first through groove, the cross section rail is connected with the vertical positioning part in a sliding mode, one end of the cross section rail is connected with the tail end of the positioning strip, and the head end of the positioning strip is located at the circle center of the cross section rail; the sagittal positioning component comprises a sagittal rail, the sagittal rail is provided with a second through groove, and a second puncture channel is slidably arranged in the second through groove; the connecting component is provided with a first puncture channel, and the axial direction of the first puncture channel is kept coincident with the radial direction of the cross section orbit. The puncture channel can be positioned according to the measurement angle, so that the exposure times of rays in the puncture of a patient are reduced, the accuracy and the safety of the puncture are improved, the economic, psychological and physical burdens of the patient are reduced, and the puncture channel has a good practical effect.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a puncture angle positioning device.
Background
In recent years, with the development of precision and minimal invasion of medical science, operations and related operations are required to be accurate and cause minimal harm to patients, and the puncture technology is generated under the background. Corresponding tissues can be obtained through a puncture needle, and pathological and immune related examination is completed; can also suck the effusion and the like to achieve the treatment aim and the like. Puncture techniques play a significant role in current medical procedures. Compared with the traditional 'blind puncture', the puncture is performed under the guidance of multi-CT (computed tomography) of puncture at present. According to the result of CT scanning, the doctor can measure the depth and angle of puncture, and then locate the body surface mark points, thereby performing puncture. The body surface positioning can be completed by means of CT assistance, the puncture depth can reach the purpose according to the CT measurement result and the puncture needle scale, but for the puncture angle, the estimation is usually performed according to the experience of a doctor at present, the needle is inserted layer by layer in the puncture process, and the adjustment is performed through multiple CT scanning. Such an operation not only exposes the patient to the radiation many times, which is not good for the health of the patient, but also increases the economic burden of the patient due to the cost of multiple exposures. Meanwhile, the angle adjustment by multiple times of puncturing can prolong the operation time, bring discomfort to the patient, and increase the possibility of occurrence of puncture-related complications, such as bleeding, infection, pain and the like, further increase the use of medical resources and increase the burden of the patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a puncture angle positioning device which can position a puncture channel according to a measurement angle, so that the exposure times of rays in puncture of a patient are reduced, the accuracy and the safety of puncture are improved, the economic, psychological and physical burdens of the patient are reduced, and a good practical effect is achieved.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
the utility model discloses a puncture angle positioning device, which comprises a cross section positioning component, a sagittal positioning component and a connecting component;
the cross section positioning assembly comprises a cross section rail, the cross section rail is in a semicircular arc shape, an angle mark is arranged on the side face of the cross section rail, a first through groove is formed in the cross section rail along the length direction, the first through groove is perpendicular to the axial direction, the cross section rail is connected with a vertical positioning portion in a sliding mode, the vertical positioning portion comprises a sleeve, the sleeve is sleeved on the cross section rail, the bottom surface of the sleeve is connected with a positioning ball through a thin wire, one end of the cross section rail is connected with the tail end of a positioning strip, and the head end of the positioning strip is located at the circle center of the cross section rail;
the sagittal positioning component comprises a sagittal rail, the sagittal rail is in a semi-circular arc shape, an angle mark is arranged on the side surface of the sagittal rail, a second through groove is formed in the sagittal rail along the length direction, the second through groove is perpendicular to the axial direction, a second puncture channel is slidably arranged in the second through groove and is slidably connected with the second through groove, and the axial direction of the second puncture channel is radially overlapped with the sagittal rail;
the connecting assembly comprises a connecting seat, the connecting seat is provided with a cross section channel and a sagittal position channel, the cross section channel is matched with the cross section track, the optical assembly dimensional track is matched with the sagittal position channel, the projections of the cross section channel and the sagittal position channel on the horizontal plane are vertically arranged, the cross section channel and the sagittal position channel are vertically staggered, the connecting seat is provided with a first puncture channel, and the axial direction of the first puncture channel is radially kept coincident with the cross section track.
Preferably, the orbital both ends of cross section all link firmly first supporting pad, and the orbital both ends of sagittal position all articulate the second supporting pad.
Preferably, the bottom surface of first supporting pad and second supporting pad all is equipped with the silica gel layer.
Preferably, the first puncture channel and the second puncture channel are provided with openings on the side.
Preferably, the second through groove lateral wall is equipped with the sliding tray, and the sliding tray is the arc that sets up with the second through groove is concentric, and the second puncture passageway lateral wall links firmly the protruding stupefied that slides, and protruding stupefied adaptation sliding tray that slides, the protruding stupefied and sliding tray radian are the same of second.
Preferably, the transverse positioning component, the sagittal positioning component and the connecting component are all made of polyethylene.
Preferably, the connecting seat is provided with a display window in the middle of the side surface parallel to the cross section rail.
Preferably, the bottom end of the second puncture channel extends beyond the sagittal track.
The utility model has the beneficial effects that:
1. the whole body of the utility model is of an arc-shaped structure, the contact area with the body surface is relatively small, the puncture part can be kept away from the puncture part while the puncture part is properly fixed, the influence on a patient caused by the contact of the puncture area is reduced, and the puncture device can not be limited to the body shape of the patient and the appearance of the puncture part, such as a convex lump, during use.
2. According to the utility model, the sagittal positioning component and the cross section positioning component can determine the puncture angle of the patient and directly guide the puncture needle to enter, so that the accuracy and the safety in the puncture process are improved, the risk of occurrence of related complications is effectively reduced, the number of times of ray irradiation in the puncture process is effectively reduced, the radiation on the patient is reduced, and the psychological and economic burden of the patient is reduced.
3. The puncture channel can directly guide the puncture needle and fix the puncture path, thereby preventing the angle deviation of the puncture needle in the process of gradually entering the human body in the general puncture process.
4. The disposable puncture needle is disposable, can meet the disinfection and sterilization of surgical operation standards, can be used in the puncture process, avoids the risk of cross infection of patients caused by repeated use, effectively reduces the occurrence of nosocomial infection, is light in material and low in price, and does not increase the economic burden of the patients.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view of a sagittal positioning assembly.
In the figure: 1-cross section track, 2-first through groove, 3-sleeve, 4-positioning ball, 5-positioning bar, 6-sagittal track, 7-second through groove, 8-second puncture channel, 9-sliding convex edge, 10-sliding groove, 11-connecting seat, 12-sagittal channel, 13-first puncture channel, 14-first supporting pad, 15-second supporting pad and 16-display window.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present invention comprises a cross section positioning component, a sagittal positioning component and a connecting component;
the cross section positioning assembly comprises a cross section rail 1, the cross section rail 1 is in a semicircular arc shape, an angle mark is arranged on the side face of the cross section rail 1, the cross section rail 1 is provided with a first through groove 2 along the length direction, the first through groove 2 is perpendicular to the axial direction, the cross section rail 1 is in sliding connection with a vertical positioning part, the vertical positioning part comprises a sleeve 3, the sleeve 3 is sleeved on the cross section rail 1, the bottom surface of the sleeve 3 is connected with a positioning ball 4 through a thin line, one end of the cross section rail 1 is connected with the tail end of a positioning strip 5, the head end of the positioning strip 5 is positioned at the center of the circle of the cross section rail 1, the head end of the positioning strip 5 is provided with a hole allowing a puncture needle to pass through, and the center of the hole is coincided with the center of the cross section rail 1;
the sagittal positioning component comprises a sagittal rail 6, the sagittal rail 6 is in a semi-circular arc shape, an angle mark is arranged on the side face of the sagittal rail 6, a second through groove 7 is formed in the sagittal rail 6 along the length direction, the second through groove 7 is perpendicular to the axial direction, a second puncture channel 8 is arranged in the second through groove 7 in a sliding manner, the second puncture channel 8 is connected with the second through groove 7 in a sliding manner, the axial direction of the second puncture channel 8 is radially overlapped with the sagittal rail 6, a sliding groove 10 is formed in the side wall of the second through groove 7, the sliding groove 10 is in an arc shape concentric with the second through groove 7, a sliding convex edge 9 is fixedly connected to the side wall of the second puncture channel 8, the sliding convex edge 9 is matched with the sliding groove 10, and the radian of the second convex edge is the same as that of the sliding groove 10;
the connecting component comprises a connecting seat 11, the connecting seat 11 is provided with a cross section channel and a sagittal section channel 12, the cross section track 1 is matched with the cross section channel, the cross section channel is matched with the sagittal section channel 12, the projection of the cross section channel and the sagittal section channel 12 on the horizontal plane is vertically arranged, the cross section channel and the sagittal section channel 12 are arranged in a vertically staggered mode, the connecting seat 11 is provided with a first puncture channel 13, and the axial direction of the first puncture channel 13 is kept coincident with the radial direction of the cross section track 1.
In order to further fix the device on human skin surface, the both ends of cross section track 1 all link firmly first supporting pad 14, and sagittal position track 6's both ends all articulate second supporting pad 15, and the bottom surface of first supporting pad 14 and second supporting pad 15 all is equipped with the silica gel layer.
In order to facilitate the removal of the puncture needle, the first puncture channel 13 and the second puncture channel 8 are provided with openings on the sides.
The cross section positioning component, the sagittal positioning component and the connecting component are all made of polyethylene.
In order to facilitate the observation of the adjusted angle, a display window 16 is arranged in the middle of the side surface of the connecting seat 11 parallel to the cross section rail 1.
The bottom end of second puncture channel 8 extends beyond sagittal track 6, and the head end of second puncture channel 8 is located within sagittal track 6.
Before the puncture needle is used, the puncture needle needs to be sterilized, and firstly, a patient needs to carry out CT scanning to determine the puncture point on the body surface and the angle of the puncture vector and the puncture cross section. Then the device is placed at the puncture position of a patient, and the semicircular arc terminal of the puncture angle positioning device is fixed on the body surface by using an adhesive tape according to the fit of the positioning strip 5 and the body surface puncture point. The vertical positioning part is moved to be perpendicular to the thin line, and the angle a at this time is recorded. And measuring the angle b between the cross section angle of the puncture needle and the vertical line according to the CT image. And adding the angle a and the angle b to obtain an angle c, and moving the connecting assembly to a corresponding angle to complete the positioning of the cross section.
If no sagittal inclination is required, the puncture needles can be passed successively through the first puncture channel 13. In this case, the puncture needle is prevented from tilting to the head and tail of the patient. If the sagittal inclination is needed at the moment, the corresponding inclination angle is calculated according to the CT, the second puncture channel 8 is moved to a specified angle, and the puncture needle passes through the second puncture channel 8, so that the purpose of angle positioning puncture is achieved. The tape can be removed to fix the disposable puncture device, and the device is separated from the puncture needle from the side walls of the first puncture channel 13 and the second puncture channel 8, so as to continue to complete the subsequent operation.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a puncture angle positioner which characterized in that: comprises a cross section positioning component, a sagittal positioning component and a connecting component;
the cross section positioning assembly comprises a cross section rail (1), the cross section rail (1) is in a semicircular arc shape, the side face of the cross section rail (1) is provided with an angle mark, the cross section rail (1) is provided with a first through groove (2) along the length direction, the first through groove (2) is arranged perpendicular to the axial direction, the cross section rail (1) is in sliding connection with a vertical positioning part, the vertical positioning part comprises a sleeve (3), the sleeve (3) is sleeved on the cross section rail (1), the bottom surface of the sleeve (3) is connected with a positioning ball (4) through a thin line, one end of the cross section rail (1) is connected with the tail end of a positioning strip (5), and the head end of the positioning strip (5) is positioned at the circle center of the cross section rail (1);
the sagittal position positioning component comprises a sagittal position track (6), the sagittal position track (6) is in a semicircular arc shape, the side surface of the sagittal position track (6) is provided with an angle mark, the sagittal position track (6) is provided with a second through groove (7) along the length direction, the second through groove (7) is vertical to the axial direction, a second puncture channel (8) is arranged in the second through groove (7) in a sliding manner, the second puncture channel (8) is connected with the second through groove (7) in a sliding manner, and the axial direction of the second puncture channel (8) is radially overlapped with the sagittal position track (6);
the connecting assembly comprises a connecting seat (11), wherein the connecting seat (11) is provided with a cross section channel and a sagittal position channel (12), the cross section track (1) is matched with the cross section channel, the cross section track is matched with the sagittal position channel (12), the cross section channel and the sagittal position channel (12) are vertically arranged in a projection on a horizontal plane, the cross section channel and the sagittal position channel (12) are vertically staggered, the connecting seat (11) is provided with a first puncture channel (13), and the axial direction of the first puncture channel (13) is radially kept coincident with the cross section track (1).
2. The positioning device of claim 1, wherein: the two ends of the cross section rail (1) are fixedly connected with first supporting pads (14), and the two ends of the sagittal rail (6) are hinged with second supporting pads (15).
3. The positioning device of claim 2, wherein: the bottom surfaces of the first supporting pad (14) and the second supporting pad (15) are provided with silica gel layers.
4. The positioning device of claim 1, wherein: the side surfaces of the first puncture channel (13) and the second puncture channel (8) are provided with openings.
5. The positioning device of claim 1, wherein: the side wall of the second through groove (7) is provided with a sliding groove (10), the sliding groove (10) is an arc shape concentrically arranged with the second through groove (7), the side wall of the second puncture channel (8) is fixedly connected with a sliding convex edge (9), the sliding convex edge (9) is matched with the sliding groove (10), and the radian of the second convex edge is the same as that of the sliding groove (10).
6. The positioning device of claim 1, wherein: the cross section positioning component, the sagittal positioning component and the connecting component are all made of polyethylene.
7. The positioning device of claim 1, wherein: a display window (16) is arranged in the middle of the side surface of the connecting seat (11) parallel to the cross section rail (1).
8. The positioning device of claim 1, wherein: the bottom end of the second puncture channel (8) extends out of the sagittal track (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120200131.XU CN216294207U (en) | 2021-01-25 | 2021-01-25 | Puncture angle positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120200131.XU CN216294207U (en) | 2021-01-25 | 2021-01-25 | Puncture angle positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216294207U true CN216294207U (en) | 2022-04-15 |
Family
ID=81081477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120200131.XU Expired - Fee Related CN216294207U (en) | 2021-01-25 | 2021-01-25 | Puncture angle positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216294207U (en) |
-
2021
- 2021-01-25 CN CN202120200131.XU patent/CN216294207U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20220415 |