CN210077812U - Ventricular puncture head frame device - Google Patents
Ventricular puncture head frame device Download PDFInfo
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- CN210077812U CN210077812U CN201821919128.8U CN201821919128U CN210077812U CN 210077812 U CN210077812 U CN 210077812U CN 201821919128 U CN201821919128 U CN 201821919128U CN 210077812 U CN210077812 U CN 210077812U
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Abstract
The utility model belongs to the technical field of medical instruments, in particular to a ventricular puncture headstock device, which comprises a median sagittal belt, a frame edge and a positioning connecting rod, wherein the median sagittal belt is arc-shaped, the frame edge is connected end to form a ring, two ends of the median sagittal belt are connected and fixed with the frame edge, and the joint is provided with an eyebrow or nose root positioning mechanism and a back occipital part positioning mechanism which are respectively attached to an eyebrow central point and an occipital protuberance; the middle sagittal belt is provided with a rotary positioning mechanism and a connecting mechanism, the positioning connecting rod and the middle sagittal belt are in cross connection through the rotary positioning mechanism, the positioning connecting rod is also provided with a puncture positioning channel I, a puncture positioning channel II, an ear hole positioning mechanism I and an ear hole positioning mechanism II, and the ear hole positioning mechanism I and the ear hole positioning mechanism II are respectively arranged at two ends of the positioning connecting rod. The utility model discloses well device is applicable to the ventricle puncture, and simple structure does not need the calculation data, and is very convenient during the use.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a ventricular puncture headstock device.
Background
When the ventricles of brain are punctured, most positions of the head are shielded after the head is disinfected and spread with the towel due to the requirement of an operation, and the operation visual field can only see a slightly wider range around the punctured point, and cannot see A, D, G1 and G2 points, such as the points on the graph 1.
After B point and E1 point are determined, the general intraoperative method is that a puncture needle points to imaginary G1 and G2 lines for needle insertion and is parallel to an ABCD surface, and the experience of an operator judges that an inexperienced person cannot correctly judge the imaginary G1 and G2 lines, so that the puncture direction is easy to be wrong, and the brain tissue trauma is increased due to re-puncture. In addition, the traditional method is time-consuming for repeatedly determining the puncture direction, if the puncture needle is not successful once, the puncture needle needs to be withdrawn for re-determining the direction once again, and the whole operation time is generally more than 1 hour.
The commonly used navigation and stereotactic instrument also has the technical problems of high price, time consumption and the like, and is not suitable for the operation which is most emergency operation and has urgent time, such as ventricular puncture.
Currently available positioning devices are needed for ventricular puncture.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a ventricular puncture headstock, convenient to use, the puncture is accurate, save time.
Solve above technical problem the utility model provides a brain room puncture headstock device, its characterized in that: the middle sagittal belt is arc-shaped, the frame edges are connected end to form a ring, two ends of the middle sagittal belt are fixedly connected with the frame edges, the connection part is provided with an inter-eyebrow or nose root positioning mechanism and a rear occipital part positioning mechanism, and the shapes and the positions of the inter-eyebrow or nose root positioning mechanism and the rear occipital part positioning mechanism are respectively attached to the central point of the eyebrow and the external occipital protuberance; the middle sagittal band is provided with a rotary positioning mechanism and a telescopic locking mechanism, the positioning rod and the middle sagittal band are in cross connection through the rotary positioning mechanism, the positioning rod is provided with a puncture positioning channel, the puncture positioning channel is divided into a puncture positioning channel I and a puncture positioning channel II, and the puncture positioning channel are symmetrically arranged by taking the rotary positioning mechanism as a central point; the two end parts of the positioning rod are also provided with an ear hole positioning mechanism I and an ear hole positioning mechanism II; puncture location passageway I, puncture location passageway II, earhole positioning mechanism I, earhole positioning mechanism II and rotary positioning mechanism are in the coplanar.
Bilaterally symmetrical placement, as surgery sometimes punctures the bilateral lateral ventricles. The positioning rod can rotate at the rotary positioning mechanism to adjust the puncture angle. The rotary positioning mechanism is a positioning point and a direction adjusting structure, and can adjust the puncture needle inserting direction. The position of the telescopic locking mechanism on the midsagittal belt can be slightly ahead or behind compared with the rotary positioning mechanism, and is only used for adjusting the tightness, but is not far away from the rotary positioning mechanism, and the patient is easily shielded (the patient is in a supine position in the operation, and the pillow part can contact the bed surface).
The puncture positioning channel I and the puncture positioning channel II are respectively 2.5-3cm away from the rotary positioning mechanism and are puncture points. The puncture positioning channel is used as a channel for positioning and puncturing needles, and the puncturing needles puncture the lateral ventricles from the inside of the channel.
The puncture positioning channel I and the puncture positioning channel II are hollow cylindrical structures; the diameter is 0.5cm and the height is 2 cm. So that the direction is not deviated during puncture.
Puncture location passageway I and puncture location passageway II perpendicular to locating lever, the locating lever perpendicular to centre sagittal area face make puncture location passageway I and puncture location passageway II and centre sagittal area face parallel and perpendicular to the imagination on-line between earhole positioning mechanism I and the earhole positioning mechanism II.
The positioning rod is provided with a positioning rod adjusting mechanism and is positioned outside the puncture positioning channel; the rotary positioning mechanism is used as a central point and is symmetrically provided with a positioning rod adjusting mechanism I and a positioning rod adjusting mechanism II.
The positioning rod adjusting mechanism is provided with a first adjusting ring, a second adjusting ring and an adjusting block, adjusting holes are formed in two end parts of the adjusting block, and adjusting buckles are arranged on the first adjusting ring and the second adjusting ring; the adjusting block is a straight strip block without arc degree, two ends of the adjusting block respectively penetrate through the first adjusting ring and the second adjusting ring, and the adjusting buckle is buckled on the adjusting hole for fixing; the first adjusting ring is 4cm away from point B. The section of the adjusting block F1-F2 is a straight line and is perpendicular to the ABCD surface, and the positioning channel E is required to be perpendicular to F1-F2, G1-G2, so that E is parallel to the ABCD surface.
The rotary positioning mechanism is arranged on a point which is on the median sagittal band and is 11cm away from the positioning mechanism between the eyebrows or the root of the nose.
The earhole positioning mechanism I and the earhole positioning mechanism II are of earplug/earcap-like structures, are positioned at the external auditory portals on the two sides and are positioning points and positioned at the external earholes.
And a telescopic locking mechanism is arranged on the frame edge.
The telescopic locking mechanism is provided with a first connecting end, a second connecting end, a locking piece, clamping holes and buckles, wherein the number of the clamping holes is more than or equal to 2, and the clamping holes are formed in the second connecting end; the first connecting end port is connected with the locking piece, the locking piece is annular, the middle part of the locking piece is hollow, the buckle is arranged on the locking piece ring, the second connecting end penetrates through the locking piece during use, and the buckle buckles the clamping hole to fix the first connecting end and the second connecting end.
The rotary positioning mechanism is provided with a positioning hole, a rotary screw with threads and a screw cap, the positioning hole is arranged at the joint overlapping position of the central sagittal band and the positioning rod, the rotary screw penetrates through the positioning hole, and the screw cap is sleeved on the rotary screw to fasten the central sagittal band and the positioning rod.
The rotary positioning mechanism is of an annular structure and comprises an annular ring and an annular hole, and the annular hole is positioned in the center of the annular ring; the outer edge of the ring is fixedly connected with the median sagittal band, and the ring hole is used for passing through the positioning rod; the diameter of the ring is larger than that of the positioning rod; in the optimized scheme, a certain gap is formed between the ring body and the positioning rod, and the gap is 0.5-1.0 mm. In the optimized scheme, a certain gap is formed between the ring body and the positioning rod, and the gap is 0.5-1.0 mm; in the optimization scheme, a rotating screw (22) with threads and a screw cap are further arranged, one end of the rotating screw penetrates through the ring to extend into the ring hole to be in contact with or connected with the positioning rod, and the screw cap is sleeved on the other end of the rotating screw to be screwed to fix the positioning rod.
The diameter and the width of the frame edge are 0.5cm, and the frame edge can also be in an elastic band shape.
The utility model discloses well device is applicable to the ventricle puncture, and simple structure does not need the calculation data, and is very convenient during the use.
The utility model discloses well headstock is settled safe back operation, and it is few to puncture location spend time, and the puncture rate of accuracy is high, and the puncture is once only successful, and the operation time obviously shortens, shares about 30 minutes. The total operation time is obviously shortened, the potential brain tissue damage is small, and the total cost is less.
When the utility model is used, the head frame is worn on the head of a patient, a plurality of positions are clamped and fixed, the puncture direction and angle are determined, and the utility model is particularly suitable for basic units.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
FIG. 1 is a schematic structural view of the head frame device of the present invention
FIG. 2 is a schematic front view of the cross section of the head frame device of the present invention combined with the brain (coronal view from front to back)
Fig. 3 is a schematic side view of the brain section of the head frame device of the present invention combined with the brain
FIG. 4 is a schematic structural view of the middle positioning hole of the present invention
FIG. 5 is a schematic view of the middle positioning structure of the present invention
Fig. 6 is a schematic structural view of a telescopic locking device of the present invention
FIG. 7 is the schematic view of the structure of the adjusting mechanism of the middle positioning rod of the present invention
FIG. 8 is a schematic view of the middle rotary positioning mechanism of the present invention
FIG. 9 is a schematic view of a second structure of the rotary positioning mechanism of the present invention
FIG. 10 is a cross-sectional view of the rotational positioning mechanism of FIG. 9 in combination with a midsagittal strap
FIG. 11 is a schematic view of the combination of the rotary positioning mechanism and the positioning rod of FIG. 9
FIG. 12 is a schematic view of the angle between the positioning rod and the puncturing positioning channel according to the present invention
FIG. 13 is a third structural view of the rotary positioning mechanism of the present invention
Wherein, the marks in the figure are specifically:
1. a sagittal band, 2 frontal lobe brain tissue, 3 lateral ventricle, 6 external ear hole, 7 frame edge, 8 positioning rod, 9 first connecting end, 10 second connecting end, 11 locking piece, 12 clipping hole, 13 buckle, 14 glabella or nasal root, 15 posterior occipital tuberosity, 16 adjusting block, 18 first adjusting ring, 19 second adjusting ring, 20 adjusting hole, 21 adjusting buckle, 22 rotating screw, 23 positioning hole, 24 screw cap, 25 ring, 26 ring hole, A glabella or nasal root positioning mechanism, B rotating positioning mechanism, C telescopic locking device, D posterior occipital positioning mechanism, E puncture positioning channel (E1 puncture positioning channel I, E2 puncture positioning channel II), F positioning rod adjusting mechanism (F1 positioning rod adjusting mechanism I, F2 positioning rod adjusting mechanism), G ear hole positioning mechanism (G1. ear hole positioning mechanism, G2. ear hole positioning mechanism II)
Detailed Description
The present invention will be further described with reference to the following detailed description:
example 1
A ventricular puncture headstock device is provided with a median sagittal band, a frame edge and a positioning rod, wherein the median sagittal band is arc-shaped, the frame edge is connected end to form a ring, two ends of the median sagittal band are fixedly connected with the frame edge, the connection part is provided with an inter-eyebrow or nose root positioning mechanism and a rear occipital part positioning mechanism, and the shapes and the positions of the inter-eyebrow or nose root positioning mechanism and the rear occipital part positioning mechanism are respectively attached to an eyebrow center point and an occipital outer protuberance; the middle sagittal band is provided with a rotary positioning mechanism and a telescopic locking mechanism, the positioning rod and the middle sagittal band are in cross connection through the rotary positioning mechanism, the positioning rod is provided with a puncture positioning channel, the puncture positioning channel is divided into a puncture positioning channel I and a puncture positioning channel II, and the puncture positioning channel are symmetrically arranged by taking the rotary positioning mechanism as a central point; the two end parts of the positioning rod are also provided with an ear hole positioning mechanism I and an ear hole positioning mechanism II; puncture location passageway I, puncture location passageway II, ear hole positioning mechanism I, ear hole positioning mechanism II and rotary positioning mechanism are in the coplanar, and ear hole positioning mechanism IG 1, locating lever adjustment mechanism IF 1, puncture location passageway IE 1, rotary positioning mechanism B, puncture location passageway II E2, locating lever adjustment mechanism II F2, several points of ear hole positioning mechanism II G2 are in the coplanar.
The two sides are symmetrically arranged, the operation can puncture the ventricles on the two sides sometimes, and even if the traditional puncture operation is performed only by single-side puncture, the preparation can be performed according to the two sides. The positioning rod can rotate at the rotary positioning mechanism to adjust the puncture angle. The rotary positioning mechanism is a positioning point and a direction adjusting structure, and can adjust the puncture needle inserting direction.
The puncture positioning channel I and the puncture positioning channel II are respectively 2.5cm away from the rotary positioning mechanism and are puncture points. The puncture positioning channel is used as a channel for positioning and puncturing needles, and the puncturing needles puncture the lateral ventricle from the positioning channel. And 2.5cm beside the B is determined during actual puncture, the direction is determined by rotating and adjusting the B, the channel position of the E is fixed, and the puncture needle can directly puncture from the hollow position of the E.
The puncture positioning channel I and the puncture positioning channel II are hollow cylindrical structures; the diameter is 0.4 or 0.6cm and the height is 1.8 or 2.2 cm. So that the direction is not deviated during puncture.
The positioning rod is provided with a positioning rod adjusting mechanism and is positioned outside the puncture positioning channel; the rotary positioning mechanism is used as a central point and is symmetrically provided with a positioning rod adjusting mechanism I and a positioning rod adjusting mechanism II. The positioning rod adjusting mechanism is provided with a first adjusting ring, a second adjusting ring and an adjusting block, adjusting holes are formed in two end parts of the adjusting block, and adjusting buckles are arranged on the first adjusting ring and the second adjusting ring; the adjusting block is a straight strip block without arc degree, two ends of the adjusting block respectively penetrate through the first adjusting ring and the second adjusting ring, and the adjusting buckle is buckled on the adjusting hole for fixing; the first adjusting ring is 4cm away from point B. F1 and F2 also adjust the tightness like C, and if the distances E1 and E2 are too close, the E1 and E2 can be interfered, and if the distances are too far, F1-G1 and F2-G2 cannot be better attached to the scalp, so the desired position distance B is 4 cm.
The edge of the adjusting block is a straight line for ensuring that: 1. puncture location passageway I and puncture location passageway II are parallel with the median sagittal plane (ABCD plane), if there is the arc then puncture passageway just can not be parallel to median sagittal area ABCD plane. 2. The puncture channel is also made perpendicular to the imaginary line G1, G2.
The rotary positioning mechanism is arranged on the point which is on the median sagittal band and is 11cm away from the positioning mechanism between the eyebrows or the root of the nose. The rotary positioning mechanism B is provided with a positioning hole, a rotary screw with threads and a screw cap, the positioning hole is arranged at the joint overlapping part of the median sagittal band and the positioning rod, the rotary screw penetrates through the positioning hole, and the screw cap is sleeved on the rotary screw to fasten the median sagittal band and the positioning rod.
The telescopic locking mechanism is provided with a first connecting end, a second connecting end, a locking piece, clamping holes and buckles, wherein the number of the clamping holes is more than or equal to 2, and the clamping holes are formed in the second connecting end; the first connecting end port is connected with the locking piece, the locking piece is annular, the middle part of the locking piece is hollow, the buckle is arranged on the locking piece ring, the second connecting end penetrates through the locking piece during use, and the buckle buckles the clamping hole to fix the first connecting end and the second connecting end.
The key point in surgical positioning is that the puncture direction is perpendicular to the imaginary G1-G2 connecting line and parallel to the median sagittal plane (ABCD plane). The two sections of F1-G1 and F2-G2 can have radian, so that the scalp can be attached more tightly, and the tightness of the F1 and the F2 can be adjusted to ensure that the positioning frame is well attached to the scalp, so that the tightness of the head frame can be adjusted on the sagittal plane by the telescopic locking mechanism without loosening.
The position of the telescopic locking mechanism can be slightly before or after compared with the position of the rotary positioning mechanism, and only the tightness is adjusted, but the telescopic locking mechanism is not far away from the rotary positioning mechanism and is easy to be shielded (the patient is in a supine position in the operation, and the pillow part can contact with the bed surface).
The frame edge is equivalent to a circle around the head, the tightness can be adjusted, the adjusting method is similar to or the same as that of a telescopic locking mechanism on the median sagittal band, and the median sagittal band and the frame edge form a headstock device main body.
The head shape of each patient is not exactly the same, a certain tightness degree needs to be adjusted after the head frame is worn, and the positioning mechanism can rotate the positioning rod to enable the G1 and the G2 to be worn at the external ear hole. The rotary positioning mechanism is in a movable connection mode, can be adjusted to be arc lines according to different tightness of head shapes, and is convenient to match a belt and adjust positioning points. The rotary positioning mechanism is a junction point of the median sagittal belt and the positioning rod and is a positioning mechanism. The B point will not change when the positioning rod needs to rotate properly, and the positioning rod rotates in the B ring because the angle from B to G to A of each person is different, and certain rotation is needed. The puncture channel is always parallel to the ABCD plane and is perpendicular to the line G1-G2, so that the puncture channel is suitable for different patients.
Example 2
A ventricular puncture headstock device is provided with a median sagittal band, a frame edge and a positioning rod, wherein the median sagittal band is arc-shaped, the frame edge is connected end to form a ring, two ends of the median sagittal band are fixedly connected with the frame edge, the connection part is provided with an inter-eyebrow or nose root positioning mechanism and a rear occipital part positioning mechanism, and the shapes and the positions of the inter-eyebrow or nose root positioning mechanism and the rear occipital part positioning mechanism are respectively attached to an eyebrow center point and an occipital outer protuberance; the middle sagittal band is provided with a rotary positioning mechanism and a telescopic locking mechanism, the positioning rod and the middle sagittal band are in cross connection through the rotary positioning mechanism, the positioning rod is provided with a puncture positioning channel, the puncture positioning channel is divided into a puncture positioning channel I and a puncture positioning channel II, and the puncture positioning channel are symmetrically arranged by taking the rotary positioning mechanism as a central point; the two end parts of the positioning rod are also provided with an ear hole positioning mechanism I and an ear hole positioning mechanism II; the puncture positioning channel I, the puncture positioning channel II, the ear hole positioning mechanism I, the ear hole positioning mechanism II and the rotary positioning mechanism are positioned on the same plane, namely, G1, F1, E1, B, E2, F2 and G2 points are positioned on the same plane.
The puncture positioning channel I and the puncture positioning channel II are respectively 2.5cm away from the rotary positioning mechanism and are puncture points. The puncture positioning channel is used as a channel for positioning and puncturing needles, and the puncturing needles puncture the lateral ventricle from the positioning channel. And 2.5cm beside the B is determined during actual puncture, the direction is determined by rotating and adjusting the B, the channel position of the E is fixed, and the puncture needle can directly puncture from the hollow position of the E.
The puncture positioning channel I and the puncture positioning channel II are hollow cylindrical structures; the diameter is 0.5cm and the height is 2 cm. So that the direction is not deviated during puncture.
The positioning rod is provided with a positioning rod adjusting mechanism and is positioned outside the puncture positioning channel; the rotary positioning mechanism is used as a central point and is symmetrically provided with a positioning rod adjusting mechanism I and a positioning rod adjusting mechanism II. The positioning rod adjusting mechanism is provided with a first adjusting ring, a second adjusting ring and an adjusting block, adjusting holes are formed in two end parts of the adjusting block, and adjusting buckles are arranged on the first adjusting ring and the second adjusting ring; the adjusting block is a straight strip block without arc degree, two ends of the adjusting block respectively penetrate through the first adjusting ring and the second adjusting ring, and the adjusting buckle is buckled on the adjusting hole for fixing; the first adjusting ring is 4cm away from point B. .
The rotary positioning mechanism is arranged on the point which is on the median sagittal band and is 11cm away from the positioning mechanism between the eyebrows or the root of the nose. The earhole positioning mechanism I and the earhole positioning mechanism II are of earplug/earcap-like structures, are positioned at the external auditory portals on the two sides and are positioning points and positioned at the external earholes.
The frame edge is provided with a telescopic locking mechanism. The frame edge has a diameter and width of 0.5cm, and can also be made into an elastic band shape.
The telescopic locking mechanism is provided with a first connecting end, a second connecting end, a locking piece, clamping holes and buckles, wherein the number of the clamping holes is more than or equal to 2, and the clamping holes are formed in the second connecting end; the first connecting end port is connected with the locking piece, the locking piece is annular, the middle part of the locking piece is hollow, the buckle is arranged on the locking piece ring, the second connecting end penetrates through the locking piece during use, and the buckle buckles the clamping hole to fix the first connecting end and the second connecting end.
The rotary positioning mechanism B is provided with a positioning hole, a rotary screw with threads and a screw cap, the positioning hole is arranged at the joint overlapping part of the median sagittal band and the positioning rod, the rotary screw penetrates through the positioning hole, and the screw cap is sleeved on the rotary screw to fasten the median sagittal band and the positioning rod.
Example 3
A ventricular puncture headstock device is provided with a median sagittal band, a frame edge and a positioning rod, wherein the median sagittal band is arc-shaped, the frame edge is connected end to form a ring, two ends of the median sagittal band are fixedly connected with the frame edge, the connection part is provided with an inter-eyebrow or nose root positioning mechanism and a rear occipital part positioning mechanism, and the shapes and the positions of the inter-eyebrow or nose root positioning mechanism and the rear occipital part positioning mechanism are respectively attached to an eyebrow center point and an occipital outer protuberance; the middle sagittal band is provided with a rotary positioning mechanism and a telescopic locking mechanism, the positioning rod and the middle sagittal band are in cross connection through the rotary positioning mechanism, the positioning rod is provided with a puncture positioning channel, the puncture positioning channel is divided into a puncture positioning channel I and a puncture positioning channel II, and the puncture positioning channel are symmetrically arranged by taking the rotary positioning mechanism as a central point; the two end parts of the positioning rod are also provided with an ear hole positioning mechanism I and an ear hole positioning mechanism II; the puncture positioning channel I, the puncture positioning channel II, the ear hole positioning mechanism I, the ear hole positioning mechanism II and the rotary positioning mechanism are positioned on the same plane, namely, G1, F1, E1, B, E2, F2 and G2 points are positioned on the same plane.
The puncture positioning channel I and the puncture positioning channel II are respectively 2.5cm away from the rotary positioning mechanism and are puncture points. The puncture positioning channel is used as a channel for positioning and puncturing needles, and the puncturing needles puncture the lateral ventricle from the positioning channel. And 2.5cm beside the B is determined during actual puncture, the direction is determined by rotating and adjusting the B, the channel position of the E is fixed, and the puncture needle can directly puncture from the hollow position of the E.
The puncture positioning channel I and the puncture positioning channel II are hollow cylindrical structures; the diameter is 0.5cm and the height is 2 cm. So that the direction is not deviated during puncture. The puncture positioning channel I and the puncture positioning channel II are perpendicular to the positioning rod, and the positioning rod is perpendicular to the median sagittal zone plane, so that the puncture positioning channel I and the puncture positioning channel II are parallel to the median sagittal zone plane and perpendicular to an imaginary line between the ear hole positioning mechanism I and the ear hole positioning mechanism II.
The puncture positioning channel IE 1 and the puncture positioning channel IE 2 are perpendicular to the positioning rod, and the positioning rod is perpendicular to the median sagittal plane, so that the puncture positioning channel IE 1 and the puncture positioning channel IE 2 are parallel to the median sagittal plane and perpendicular to an imaginary line between the ear hole positioning mechanism IG 1 and the ear hole positioning mechanism IG 2.
The positioning rod is provided with a positioning rod adjusting mechanism and is positioned outside the puncture positioning channel; the rotary positioning mechanism is used as a central point and is symmetrically provided with a positioning rod adjusting mechanism I and a positioning rod adjusting mechanism II. The positioning rod adjusting mechanism is provided with a first adjusting ring, a second adjusting ring and an adjusting block, adjusting holes are formed in two end parts of the adjusting block, and adjusting buckles are arranged on the first adjusting ring and the second adjusting ring; the adjusting block is a straight strip block without arc degree, two ends of the adjusting block respectively penetrate through the first adjusting ring and the second adjusting ring, and the adjusting buckle is buckled on the adjusting hole for fixing; the first adjusting ring is 4cm away from point B.
The rotary positioning mechanism is arranged on the point which is on the median sagittal band and is 11cm away from the positioning mechanism between the eyebrows or the root of the nose. The earhole positioning mechanism I and the earhole positioning mechanism II are of earplug/earcap-like structures, are positioned at the external auditory portals on the two sides and are positioning points and positioned at the external earholes.
The frame edge is provided with a telescopic locking mechanism. The frame edge has a diameter and width of 0.5cm, and can also be made into an elastic band shape.
The telescopic locking mechanism is provided with a first connecting end, a second connecting end, a locking piece, clamping holes and buckles, wherein the number of the clamping holes is more than or equal to 2, and the clamping holes are formed in the second connecting end; the first connecting end port is connected with the locking piece, the locking piece is annular, the middle part of the locking piece is hollow, the buckle is arranged on the locking piece ring, the second connecting end penetrates through the locking piece during use, and the buckle buckles the clamping hole to fix the first connecting end and the second connecting end.
The rotary positioning mechanism is of an annular structure and comprises an annular ring and an annular hole, and the annular hole is positioned in the center of the annular ring; the outer edge of the ring is fixedly connected with the median sagittal band, and the ring hole is used for passing through the positioning rod; the diameter of the ring is larger than that of the positioning rod; in the optimized scheme, a certain gap is formed between the ring body and the positioning rod, and the gap is 0.5-1.0 mm. The rotation is not too large.
Example 4
Other embodiments are shown in embodiment 3, wherein the rotational positioning mechanism further comprises a threaded rotation screw 22 and a nut 24, one end of the rotation screw 22 extends through the ring 25 into the ring hole 26 to contact or connect with the positioning rod, and the nut 24 is screwed on the other end of the rotation screw 22 to fix the positioning rod 8.
The utility model discloses wear headstock device after disinfection of well art district, with rotary positioning mechanism B, earhole positioning mechanism IG 1, earhole positioning mechanism IG 2 point is confirmed, lay aseptic piece of cloth, puncture point puncture positioning channel IE 1, puncture positioning channel IE 2 directly insert the needle can, its structure has decided and earhole positioning mechanism IG 1, earhole positioning mechanism IG 2, rotary positioning mechanism B is at a plane and directional earhole positioning mechanism IG 1, earhole positioning mechanism IG 2 imagination line, and be on a parallel with median sagittal plane.
The utility model discloses well centre sagittal area ABCD wears in the head with the frame is along constituteing the headstock jointly, and position everywhere is as follows: the point of the glabella or the nose root positioning mechanism A is located between the eyebrows, the point of the back occipital portion positioning mechanism D is located on the occipital portion (the outer bulge of the occipital), the point of the back occipital portion or the nose root positioning mechanism A shows that the positioning frame is worn on the back of the head and is the center point of the glabella, the rotary positioning mechanism B is a point (medically called as the upper 11cm of the glabella) with the back distance A after being worn, the point of the back occipital portion positioning mechanism D (the place where the back head is bulged) is worn, the telescopic locking device C plays a role in adjusting the line of the middle sagittal area ABD, the distance between the ADs is adjusted, and the positioning frame is equivalently adjusted in size to be matched with the head. Puncture location passageway IE 1, puncture location passageway IIE 2 are bilateral symmetry's puncture point, and earhole positioning mechanism IG 1, earhole positioning mechanism IIG 2 bilateral symmetry are located both sides earhole position, also are the setpoint, wear the headstock after adjust locating lever adjustment mechanism IF 1, locating lever adjustment mechanism IIF 2 make earhole positioning mechanism IG 1, earhole positioning mechanism IIG 2 be located the earhole. The locating mechanism A for the glabellum or the root of the nose and the locating mechanism D for the back occiput are also counted as locating structures.
The telescopic locking device C, the positioning rod adjusting mechanism I F1 and the positioning rod adjusting mechanism II F2 are three adjusting knob structures, wherein the F1 and the F2 are bilaterally symmetrical, and the three functions are used for adjusting the size of the head frame and are suitable for different people to wear.
The rotary adjustment of the rotary positioning mechanism B is passive, the head shape of each person is different, after the head frame is worn properly, G1 and G2 are positioned in the ear hole, and the B rotates by a certain angle, so that the puncture direction is determined
Use the utility model discloses well locator's method: after the operation area is disinfected, the head frame is worn, B, G1 and G2 points are determined, sterile towels are laid, and the puncture points E1 and E2 are directly inserted into the needle, so that the structure of the sterile towel is determined to be in a plane with G1, G2 and B, points to the imaginary connection lines of G1 and G2 and is parallel to the median sagittal plane, the puncture is accurate, and the time is saved.
Test examples
Test subjects: for women aged 67 years, the head CT indicates that the ventricular system has hematocele accompanied by acute obstructive hydrocephalus due to 'spontaneous cerebral hemorrhage' hospitalization, and the lateral ventricular puncture drainage operation is needed in emergency treatment.
The test method comprises the following steps: the head position of a patient lying in an operation is well placed, the head frame is placed after disinfection, the middle sagittal belt ABCD is fixed firstly, the tightness is adjusted, the B point of the rotary positioning mechanism is determined, the ear hole positioning mechanism I G1 and the ear hole positioning mechanism II G2 are worn in an ear hole, the angle of the positioning rod is adjusted, the rotary positioning rod (the angle is determined after the ear hole is worn according to G1G 2), the tightness is adjusted, the whole head frame is completely fixed, and the puncture direction and angle are determined. And then, a sterile towel is laid, only the part from the positioning rod adjusting mechanism I F1 to the positioning rod adjusting mechanism II F2 is exposed, the exposed point B is the distance of about 5cm of the central radius, and the next step is directly punctured by a puncture channel by using a puncture needle.
And (3) test results: the puncture accuracy is 100%, and the puncture is successful after 1 time, and the time is 29 minutes. The correct puncture direction and position are determined by the patient on the CT during the reexamination after the operation, and no additional brain tissue damage and bleeding are caused except for one channel for the puncture needle to enter the brain tissue. The utility model discloses well head frame is supplementary to pierce down the rate of accuracy high, and operation time obviously shortens, and potential brain tissue damage is little, and the overall cost can still less.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and the above embodiments and description have been described only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention, which will also have various changes and modifications, all of which will fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A ventricular puncture headstock device is characterized in that: the middle sagittal belt (1) is arc-shaped, the frame edges (7) are connected end to form a ring, two ends of the middle sagittal belt (1) are fixedly connected with the frame edges (7), an eyebrow or nose root positioning mechanism (A) and a rear occipital part positioning mechanism (D) are arranged at the connection part, and the shapes and the positions of the eyebrow or nose root positioning mechanism (A) and the rear occipital part positioning mechanism (D) are respectively attached to an eyebrow central point (14) and an occipital protuberance (15); the middle sagittal belt (1) is provided with a rotary positioning mechanism (B) and a telescopic locking mechanism (C), the positioning rod (8) and the middle sagittal belt (1) are in cross connection through the rotary positioning mechanism (B), the positioning rod (8) is provided with a puncture positioning channel (E), the puncture positioning channel (E) is divided into a puncture positioning channel I (E1) and a puncture positioning channel II (E2), and the rotary positioning mechanism (B) is used as a central point and is symmetrically arranged; two end parts of the positioning rod (8) are also provided with an ear hole positioning mechanism I (G1) and an ear hole positioning mechanism II (G2); puncture location passageway I, puncture location passageway II, earhole positioning mechanism I, earhole positioning mechanism II and rotary positioning mechanism are in the coplanar, puncture location passageway I (E1) and puncture location passageway II (E2) are hollow cylinder structure.
2. The ventricular puncture headgear assembly of claim 1, wherein: the puncture positioning channel I (E1) and the puncture positioning channel II (E2) are respectively 2.5-3cm away from the rotary positioning mechanism (B) and are puncture points.
3. The ventricular puncture headgear assembly of claim 1, wherein: a positioning rod adjusting mechanism (F) is arranged on the positioning rod (8) and is positioned outside the puncture positioning channel (E); the rotary positioning mechanism (B) is taken as a central point and is symmetrically provided with a positioning rod adjusting mechanism I (F1) and a positioning rod adjusting mechanism II (F2).
4. A ventricular puncture headgear assembly according to claim 3, wherein: the positioning rod adjusting mechanism (F) is provided with a first adjusting ring (18), a second adjusting ring (19) and an adjusting block (16), adjusting holes (20) are formed in two end parts of the adjusting block (16), and adjusting buckles (21) are arranged on the first adjusting ring (18) and the second adjusting ring (19); the adjusting block (16) is a straight strip block without radian, two ends of the adjusting block (16) respectively penetrate through the first adjusting ring (18) and the second adjusting ring (19), and the adjusting buckle (21) is buckled with the adjusting hole (20) for fixing; the first adjusting ring (18) is 4cm away from the point B.
5. The ventricular puncture headgear assembly of claim 1, wherein: the rotary positioning mechanism (B) is arranged on the median sagittal belt (1) and is positioned at a position 11cm away from the glabella or the nose root positioning mechanism (A).
6. The ventricular puncture headgear assembly of claim 1, wherein: the earhole positioning mechanism I (G1) and the earhole positioning mechanism II (G2) are of an earplug/earcap-like structure, are positioned at the outer ear doors at two sides and are positioning points and positioned at the outer earhole (6).
7. The ventricular puncture headgear assembly of claim 1, wherein: the frame edge (7) is provided with a telescopic locking mechanism (C), the telescopic locking mechanism (C) is provided with a first connecting end (9), a second connecting end (10), a locking piece (11), clamping holes (12) and buckles (13), and the number of the clamping holes (12) is more than or equal to 2 and is arranged on the second connecting end (10); the port of the first connecting end (9) is connected with the locking piece (11), the locking piece (11) is annular, the middle part of the locking piece is hollow, the buckle (13) is arranged on the ring of the locking piece (11), the second connecting end (10) penetrates through the locking piece (11) during use, and the buckle (13) buckles the clamping hole (12) to fix the first connecting end (9) and the second connecting end (10).
8. The ventricular puncture headgear assembly of claim 1, wherein: rotatory positioning mechanism (B) are equipped with locating hole (23), take screwed rotatory screw (22) and screw cap (24), and locating hole (23) are established and are put the overlapping department in the centre sagittal area (1) and locating lever (8) handing-over, and rotatory screw (22) pass locating hole (23), and screw cap (24) cover is in rotatory fastening of rotatory screw (22) and is fixed in the sagittal area (1) and locating lever (8).
9. The ventricular puncture headgear assembly of claim 1, wherein: the rotary positioning mechanism (B) is of an annular structure and comprises an annular ring (25) and an annular hole (26), and the annular hole (26) is positioned in the center of the annular ring (25); the outer edge of the ring (25) is fixedly connected with the median sagittal strap (1), and the ring hole (26) is used for passing through the positioning rod; the diameter of the ring (25) is larger than that of the positioning rod (8); in the optimized scheme, a certain gap is formed between the ring body and the positioning rod, and the gap is 0.5-1.0 mm; in the optimization scheme, a rotating screw (22) with threads and a screw cap (24) are further arranged, one end of the rotating screw (22) penetrates through the ring (25) and extends into the ring hole (26) to be in contact with or connected with the positioning rod, and the screw cap (24) is sleeved on the other end of the rotating screw (22) and screwed tightly to fix the positioning rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821919128.8U CN210077812U (en) | 2018-11-21 | 2018-11-21 | Ventricular puncture head frame device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821919128.8U CN210077812U (en) | 2018-11-21 | 2018-11-21 | Ventricular puncture head frame device |
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| Publication Number | Publication Date |
|---|---|
| CN210077812U true CN210077812U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821919128.8U Expired - Fee Related CN210077812U (en) | 2018-11-21 | 2018-11-21 | Ventricular puncture head frame device |
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| CN (1) | CN210077812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464176A (en) * | 2018-11-21 | 2019-03-15 | 自贡市第四人民医院(自贡市急救中心) | A kind of ventricular puncture head rest device |
-
2018
- 2018-11-21 CN CN201821919128.8U patent/CN210077812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464176A (en) * | 2018-11-21 | 2019-03-15 | 自贡市第四人民医院(自贡市急救中心) | A kind of ventricular puncture head rest device |
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