CN111887958A - Adjustable cerebral hemorrhage minimally invasive surgery positioning device - Google Patents
Adjustable cerebral hemorrhage minimally invasive surgery positioning device Download PDFInfo
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- CN111887958A CN111887958A CN202010868569.5A CN202010868569A CN111887958A CN 111887958 A CN111887958 A CN 111887958A CN 202010868569 A CN202010868569 A CN 202010868569A CN 111887958 A CN111887958 A CN 111887958A
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- fixing piece
- head fixing
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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
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
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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
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
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Abstract
The invention discloses an adjustable cerebral hemorrhage minimally invasive surgery positioning device which is characterized in that a head fixing piece is positioned through a special structure of a nasal bone, a guide clamp position on the head fixing piece is adjusted to enable a chuck to be aligned with a skull hole forming position, and the chuck guides a puncture needle to enter a hematoma target point at a specific position and angle. The key points of the technical scheme are as follows: the facial locating device comprises an annular head fixing piece, a facial locating mechanism and a guide clamp, wherein a sliding rail is arranged on the outer side wall of the head fixing piece, and a filling mechanism is arranged on the inner side wall of the head fixing piece; the inner side wall of the face positioning mechanism can be attached to the nasal bone and/or the eyebrow bone of a patient, and the face positioning mechanism is connected with the head fixing piece; the guide clamp comprises an adjusting mechanism, a supporting rod and a chuck used for clamping and guiding surgical instruments, the supporting rod is fixedly connected with the adjusting mechanism, the adjusting mechanism can move axially along the sliding rail of the head fixing piece, and a tightening knob used for fixing the guide clamp at a specific position is arranged on the adjusting mechanism.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an adjustable cerebral hemorrhage minimally invasive surgery positioning device.
Background
Cerebral hemorrhage (cerebral hemorrhage) refers to hemorrhage caused by vascular rupture in non-traumatic brain parenchyma, and accounts for 20% -30% of all cerebral apoplexy, and the death rate in acute stage is 30% -40%. About 80% of cerebral hemorrhage occurs in the cerebral hemisphere, and about 20% of hemorrhage occurs in the brain stem and cerebellum. Cerebral hemorrhage patients have symptoms of intracranial pressure increase, hematoma, cerebral edema and the like due to blood outflow caused by intracranial vascular rupture.
When the cerebral hemorrhage is serious, surgical operation treatment is needed, and the purpose of the surgical treatment is mainly to eliminate hematoma, relieve intracranial pressure, reduce the damage of the hematoma to peripheral brain tissues as much as possible and reduce disability rate. At present, the treatment of cerebral hemorrhage through minimally invasive surgery is an effective and low-risk treatment method, and has the advantages of reducing surgical trauma, shortening surgical time, reducing anesthesia risk through local anesthesia and the like. The minimally invasive cerebral hemorrhage surgery is to establish a surgery channel by opening a hole on the skull of a corresponding bleeding part, and to suck by adopting a special surgical instrument to reach a hematoma target point through the surgery channel.
In the cerebral hemorrhage minimal access surgery, accurate wicresoft puncture is the key of guaranteeing treatment and prevention complication, but clinically because factors such as CT positioning error, operator's operation deviation and patient individual difference all can cause puncture direction, the deviation appears in distance, and the operation in-process has a plurality of puncture steps, puncture at every turn all need guarantee the same puncture direction and distance, consequently, how to carry out accurate location to the position of skull trompil, and carry out positioning adjustment to follow-up puncture operation, it becomes the urgent problem of waiting to solve in the medical instrument field to reduce the deviation between the puncture operation many times.
Disclosure of Invention
The invention aims to provide an adjustable cerebral hemorrhage minimally invasive surgery positioning device, which is characterized in that a head fixing piece is positioned through a special structure of a nasal bone, a guide clamp position on the head fixing piece is adjusted to enable a chuck to be aligned with a skull trepanning position, and the chuck guides a puncture needle to enter a hematoma target point at a specific position and angle.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
an adjustable cerebral hemorrhage minimally invasive surgery positioning device comprises a head fixing piece, a face positioning mechanism and a guide clamp, wherein the head fixing piece is annular, a sliding rail is arranged on the outer side wall of the head fixing piece, and a filling mechanism used for being attached to the head is arranged on the inner side wall of the head fixing piece; the inner side wall of the face positioning mechanism can be attached to the nasal bone and/or the eyebrow bone of a patient, and the face positioning mechanism is connected with the head fixing piece; the guide clamp comprises an adjusting mechanism, a supporting rod and a chuck used for clamping and guiding surgical instruments, the chuck is arranged at the end of the supporting rod, the supporting rod is fixedly connected with the adjusting mechanism, the adjusting mechanism can move along the sliding rail of the head fixing piece in the circumferential direction, and a tightening knob used for fixing the guide clamp at a specific position is arranged on the adjusting mechanism.
Preferably, the facial positioning mechanism is a nasal bone positioning plate which is detachably connected with the head fixing piece.
Preferably, the slide rail of the head fixing piece is an annular protruding part, the cross section of the protruding part is trapezoidal, and the width of the outer wall of the protruding part is larger than that of the inner wall of the protruding part; the adjusting mechanism is provided with a sliding groove, the width of the groove bottom of the sliding groove is larger than that of the groove opening, and the protruding portion is embedded into the sliding groove without a gap.
Preferably, the slide rail is provided with scale marks, and the adjusting mechanism is provided with a pointer.
Preferably, the filling mechanism is an annular air bag, an inflation inlet is formed in the annular air bag, an annular groove is formed in the inner wall of the head fixing piece, and the outer wall of the annular air bag is tightly attached to the bottom of the annular groove.
Preferably, the clamping head of the guide clamp is provided with a plurality of reducing pipes, the reducing pipes can be embedded into the clamping head and do not slip, and a limiting hole for the puncture pipe or the puncture needle to pass through is arranged in the middle of each reducing pipe.
Preferably, the ear positioning device further comprises an ear positioning mechanism, and the ear positioning mechanism comprises an auricle positioning guide plate and an external auditory canal positioning piece.
Preferably, the external auditory canal positioning piece is connected with an angular ear line positioning rod for determining the angular ear line position.
Preferably, the canthus ear line positioning rod is provided with an alignment structure and a strip-shaped channel for aligning the outer canthus.
Preferably, the canthus ear line positioning rod is further provided with a lifting pull rod and a scale mark for measuring the lifting distance of the lifting rod, and the pull rod is parallel to the canthus ear line positioning rod.
Compared with the prior art, the adjustable cerebral hemorrhage minimally invasive surgery positioning device adopting the technical scheme has the following beneficial effects:
firstly, the adjustable cerebral hemorrhage minimally invasive surgery positioning device is used for positioning in a mode that the nasal bone positioning plate is attached to the nasal bone part, the head fixing piece can be limited to a specific position, the guide clamp arranged on the head fixing piece is adjusted and then tightly fixed on the head fixing piece, the required opening position can be accurately aligned without deviation, then, the follow-up puncture operation is guaranteed without deviation, and the accuracy and the safety of the cerebral hemorrhage minimally invasive surgery are improved.
Secondly, by adopting the adjustable cerebral hemorrhage minimally invasive surgery positioning device, the slide rail on the outer side of the head fixing piece is provided with the scale marks, the adjusting mechanism is provided with the pointer, the scale aligned with the pointer can be recorded after one-time positioning is finished, and because the guide clamp needs to be moved away in subsequent operation, when the guide clamp is needed again to guide the puncture needle, the pointer on the adjusting mechanism only needs to be aligned with the scale recorded in the last positioning.
Thirdly, when the adjustable cerebral hemorrhage minimally invasive surgery positioning device is adopted, the inner side of the head fixing piece is provided with the inflatable annular air bag, and when the annular air bag is not inflated, the head fixing piece can be easily sleeved on the head of a patient; after the nasal bone positioning is completed, the annular air bag is not inflated to enable the inner side space of the head fixing part to shrink, and the annular air bag is tightly attached to the head of a patient, so that the head fixing part is stably fixed on the head of the patient, and the head fixing part is prevented from swinging or slipping to cause inaccurate positioning.
The four canthus ear lines are the connecting lines of the outer canthus and the center of the external auditory canal, the cross section is generally adopted for the ct examination of the craniocerebral, the scanning baseline is generally the canthus ear line, and the position of the canthus ear line can be conveniently determined by the positioning rod of the canthus ear line for the subsequent ct tomography.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of an adjustable cerebral hemorrhage minimally invasive surgery positioning device of the invention.
FIG. 2 is a schematic sectional view of example 1.
Fig. 3 is a partially enlarged schematic view of an adjustment mechanism in embodiment 1.
Fig. 4 is a schematic structural view of a guide clip in embodiment 1.
Fig. 5 is a schematic structural view of embodiment 2.
Fig. 6 is a schematic structural view of a medial canthus ear line positioning rod in example 2.
Fig. 7 is a schematic cross-sectional view of a tension rod in embodiment 2.
Fig. 8 is a schematic plan view of the tie bar according to embodiment 2.
Reference numerals: 1. a head fixing member; 10. a projection; 101. scale lines; 11. an annular air bag; 110. an inflation inlet; 2. a nasal bone positioning plate; 3. a guide clamp; 30. an adjustment mechanism; 301. tightening the knob; 302. a pointer; 31. a support bar; 32. a chuck; 33. a reducer pipe; 330. a limiting hole; 4. puncturing needle; 5. a pinna positioning guide plate; 6. an external auditory canal positioning member; 7. positioning a canthus ear line; 70. an alignment structure; 71. a strip channel; 72. a pull rod; 720. a rope; 721. rotating the rod; 722. a volute spiral spring; 73. scale lines are marked.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, the adjustable cerebral hemorrhage minimally invasive surgery positioning device comprises a head fixing part 1, a nasal bone positioning plate 2 and a guide clamp 3, wherein the head fixing part 1 is annular and is movably connected with the outer side wall of the head fixing part 1, the guide clamp 3 can axially move along the outer side wall of the head fixing part 1, the nasal bone positioning plate 2 is detachably connected with the head fixing part 1, and the inner side wall of the nasal bone positioning plate 2 can be attached to the nasal bone of a patient.
The outer side wall of the head fixing piece 1 is provided with a slide rail, the slide rail is an annular convex part 10, the cross section of the convex part 10 is trapezoidal, and the width of the outer wall of the convex part 10 is larger than that of the inner wall of the convex part; the adjusting mechanism 30 is provided with a sliding groove, the cross section of the sliding groove is also trapezoidal, the width of the groove bottom of the sliding groove is larger than that of the groove opening, and the protruding portion 10 is embedded into the sliding groove without a gap.
As shown in fig. 3, the protruding portion 10 is provided with a scale mark 101, and the adjusting mechanism 30 of the guide clip 3 is provided with a pointer 302.
As shown in fig. 2, a filling mechanism for attaching to the head is disposed on the inner side wall of the head fixing member 1, the filling mechanism is an annular air bag 11, an inflation inlet 110 is disposed on the annular air bag 11, an annular groove is disposed on the inner wall of the head fixing member 1, and the outer wall of the annular air bag 11 is fixed on the bottom of the annular groove. When the annular air bag 11 is not inflated, the head fixing piece 1 can be easily sleeved on the head of a patient; after the nasal bone positioning is completed, the annular air bag 11 is inflated to contract the space inside the head fixing piece 1, and the annular air bag 11 is tightly attached to the head of the patient, so that the head fixing piece 1 is stably fixed on the head of the patient.
As shown in fig. 4, the guiding clamp 3 includes an adjusting mechanism 30, a supporting rod 31 and a clamping head 32 for clamping and guiding the surgical instrument, the clamping head 32 is disposed at an end of the supporting rod 31, the supporting rod 31 is fixedly connected with the adjusting mechanism 30, the adjusting mechanism 30 moves circumferentially along the sliding rail of the head fixing member 1, and the adjusting mechanism 30 is provided with a tightening knob 301 for fixing the guiding clamp 3 at a specific position.
The collet 32 of the guide clamp 3 is provided with a plurality of reducing pipes 33, the reducing pipes 33 can be embedded into the collet 32 and do not slip, the middle of the reducing pipes 33 is provided with a limiting hole 330 for the puncture needle 4 to pass through, the outer wall of the puncture needle 4 is tightly attached to the inner wall of the limiting hole 330, the puncture needle 4 can be prevented from deviating, the collet 32 is provided with a plurality of different reducing pipes 33, and different reducing pipes 33 correspond to puncture needles 4 of different types or different sizes.
Example 2:
as shown in fig. 5 to 8, this embodiment is similar to embodiment 1, and embodiment 2 is different from embodiment 1 in that:
this embodiment still includes two ear positioning mechanism, ear positioning mechanism locates the position that 1 below of head mounting corresponds two ears symmetrically, ear positioning mechanism includes auricle location baffle 5 and external auditory canal setting element 6, auricle location baffle 5 is taken on patient's auricle back and is laminated mutually with the auricle back, external auditory canal setting element 6 can insert in order to realize the positioning action in patient's external auditory canal, cooperation through auricle location baffle 5 and external auditory canal setting element 6, make the location more accurate, stable.
The external auditory canal positioning piece 6 is connected with an angular ear line positioning rod 7 for determining the angular ear line position, the rear end part of the angular ear line positioning rod 7 is integrated with the external auditory canal positioning piece 6, the front end part of the angular ear line positioning rod 7 is provided with an alignment structure 70 for aligning with the outer angular ear, and the angular ear line positioning rod 7 is provided with a transverse strip-shaped channel 71.
During the use, auricle location baffle 5 laminates at patient's auricle back, and external auditory canal setting element 6 inserts patient's external auditory canal, and adjustment head mounting makes alignment structure 70 aim at patient's outer canthus angle, and the bar-shaped passageway 71 in the canthus ear line locating lever 7 just is located patient's canthus ear line this moment, then can do the mark on patient's skin through bar-shaped passageway 71 to follow-up ct tomography that carries on.
The ear canthus positioning rod 7 is further provided with a lifting pull rod 72 and a scale line 73 for measuring the lifting distance of the pull rod 72, the upper surface of the ear canthus positioning rod 7 is provided with a strip-shaped groove, a rotating rod 721 and a scroll spring 722 are arranged in the strip-shaped groove, the pull rod 72 is connected with the rotating rod 721 through two ropes 720 with equal length, the ropes 720 are wound on the rotating rod 721, when the pull rod 72 is pulled upwards, the ropes 720 are gradually separated from the rotating rod 721, and meanwhile, the rotating rod 721 rotates to enable the scroll spring 722 to contract; when the pull rod 72 is released, the spiral spring 722 expands, so that the rope 720 is retracted and wound on the rotating rod 721, the pull rod 72 is retracted into the strip-shaped groove, and the pull rod 72 is always parallel to the canthus ear line positioning rod 7 in the whole process.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (10)
1. The utility model provides an adjustable cerebral hemorrhage minimal access surgery positioner which characterized in that: comprises a head fixing piece (1), a face positioning mechanism and a guide clamp (3),
the head fixing piece (1) is annular, a sliding rail is arranged on the outer side wall of the head fixing piece (1), and a filling mechanism used for being attached to the head is arranged on the inner side wall of the head fixing piece (1);
-the inner side walls of the face-positioning means can be conformed to the nasal bone and/or the brow bone of the patient, the face-positioning means being connected to the head fixation (1);
the guide clamp (3) comprises an adjusting mechanism (30), a supporting rod (31) and a clamping head (32) for clamping and guiding a surgical instrument, the clamping head (32) is arranged at the end part of the supporting rod (31), the supporting rod (31) is fixedly connected with the adjusting mechanism (30), the adjusting mechanism (30) can move circumferentially along the sliding rail of the head fixing piece (1), and a fastening knob (301) for fixing the guide clamp (3) at a specific position is arranged on the adjusting mechanism (30).
2. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 1, wherein: the face positioning mechanism is a nose bone positioning plate (2), and the nose bone positioning plate (2) is detachably connected with the head fixing piece (1).
3. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 1, wherein: the slide rail of the head fixing piece (1) is an annular protruding part, the cross section of the protruding part (10) is trapezoidal, and the width of the outer wall of the protruding part (10) is larger than that of the inner wall of the protruding part; the adjusting mechanism (30) is provided with a sliding groove, the width of the groove bottom of the sliding groove is larger than that of the groove opening, and the protruding portion (10) is embedded into the sliding groove without a gap.
4. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 1, wherein: the sliding rail is provided with scale marks (101), and the adjusting mechanism (30) is provided with a pointer (302).
5. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 1, wherein: the filling mechanism is an annular air bag (11), an inflation inlet (110) is formed in the annular air bag (11), an annular groove is formed in the inner wall of the head fixing piece (1), and the outer wall of the annular air bag (11) is tightly attached to the groove bottom of the annular groove.
6. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 1, wherein: the guide clamp is characterized in that a clamping head (32) of the guide clamp (3) is provided with a plurality of reducing pipes (33), the reducing pipes (33) can be embedded into the clamping head (32) and do not slip, and a limiting hole (330) for a puncture pipe or a puncture needle (4) to pass through is arranged in the middle of each reducing pipe (33).
7. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 1, wherein: still include ear positioning mechanism, ear positioning mechanism includes auricle location baffle (5) and external auditory canal setting element (6).
8. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 7, wherein: the external auditory canal positioning piece (6) is connected with an angular ear line positioning rod (7) used for determining the angular ear line position.
9. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 8, wherein: the canthus ear line positioning rod (7) is provided with an alignment structure (70) for aligning to the outer canthus angle and a strip-shaped channel (71).
10. The adjustable cerebral hemorrhage minimally invasive surgery positioning device of claim 8, wherein: the canthus ear line positioning rod (7) is also provided with a lifting pull rod (72) and a scale mark (73) for measuring the lifting distance of the pull rod (72), and the pull rod (72) is parallel to the canthus ear line positioning rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868569.5A CN111887958B (en) | 2020-08-26 | 2020-08-26 | Adjustable cerebral hemorrhage minimally invasive surgery positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868569.5A CN111887958B (en) | 2020-08-26 | 2020-08-26 | Adjustable cerebral hemorrhage minimally invasive surgery positioning device |
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| CN111887958B CN111887958B (en) | 2021-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110315A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州景昱医疗器械有限公司 | Cranium grooving assisting tool |
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| CN2528401Y (en) * | 2001-12-31 | 2003-01-01 | 李娜 | Stereo location rest for determining skull puncture point |
| JP4507600B2 (en) * | 2004-01-05 | 2010-07-21 | パナソニック株式会社 | Blood sampling puncture device and puncture needle unit |
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