CN116035797B - Anterior chamber of eye is device for puncture - Google Patents
Anterior chamber of eye is device for puncture Download PDFInfo
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- CN116035797B CN116035797B CN202310205161.3A CN202310205161A CN116035797B CN 116035797 B CN116035797 B CN 116035797B CN 202310205161 A CN202310205161 A CN 202310205161A CN 116035797 B CN116035797 B CN 116035797B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00781—Apparatus for modifying intraocular pressure, e.g. for glaucoma treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
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- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The present invention provides an anterior chamber puncture device, comprising: a lancing device, a grip handle and a control assembly. The piercing depth is set up on holding the tip of the hand grip, the piercing depth includes: the device comprises a shell body, a contact disc, an extracting device and a telescopic supporting device. The shell body is internally provided with a containing cavity, one end part of the shell body is provided with a contact disc, the contact disc is provided with a plurality of through holes with different inclination angles, and the through holes are communicated with the containing cavity. The extraction device is arranged in the accommodating cavity along the axial direction of the shell body, the extraction device is connected with the inner side wall of the shell body through a telescopic supporting device, and the telescopic supporting device is used for adjusting the inclination angle of the central axis of the extraction device and the central axis of the shell body, so that the needle head on the extraction device corresponds to the through hole according to the set inclination angle requirement. The control component is in signal connection with the extracting device and the telescopic supporting device and is used for controlling the pumping action and the inclination angle of the extracting device. The invention can reduce the operation difficulty and risk and improve the safety.
Description
Technical Field
The invention relates to the technical field of anterior chamber puncture equipment, in particular to an anterior chamber puncture device.
Background
Various types of glaucoma exist, including primary angle closure glaucoma, secondary glaucoma caused by trauma, surgery, etc., and clinical phenomena that cause elevated intraocular pressure. The anterior chamber puncture liquid discharge is an effective method which is frequently used clinically and can quickly reduce intraocular pressure. Since the intraocular pressure is different for each patient, the amount of aqueous humor that needs to be withdrawn is also different. At present, a syringe with a standard negative pressure cavity size (generally a 1ml or 2ml intravenous syringe) is adopted for puncture clinically, a doctor needs to judge the amount of the extracted aqueous humor according to experience, and as the volume of the intraocular fluid is small, only a trace amount of fluid discharging operation is needed, the operation level of the doctor is extremely high by operating the syringe to suck by bare hands, the conditions of too fast fluid discharging, large or small fluid discharging amount and the like are easy to occur, the risks of too shallow anterior chamber, bleeding of the anterior chamber and the like are increased, and the treatment effect is influenced. In addition, for certain eye diseases, such as uveitis, glaucoma and ciliary body inflammation, it is also necessary to perform an assay by withdrawing a certain amount of intraocular fluid to further guide diagnosis and treatment of the disease. Therefore, how to conveniently and safely perform anterior chamber puncture and quantitatively extract the intraocular fluid has important significance.
Disclosure of Invention
The invention provides an anterior chamber puncture device, which solves the problems of inconvenient and unsafe quantitative extraction in the prior art when the anterior chamber puncture is performed, can conveniently and safely perform the operation of anterior chamber puncture and quantitative collection of intraocular liquid under an outpatient slit lamp, does not need to control and judge subjectively by an operator, reduces operation difficulty and risk, and improves working efficiency and safety.
In order to achieve the above object, the present invention provides the following technical solutions:
an anterior chamber puncturing device comprising: a lancing device, a grip handle, and a control assembly;
the puncture device is provided on an end of the grip handle, the puncture device comprising: the device comprises a shell body, a contact disc, an extraction device and a telescopic supporting device;
the shell body is internally provided with a containing cavity, one end part of the shell body is provided with the contact disc, the contact disc is provided with a plurality of through holes with different inclination angles, and the through holes are communicated with the containing cavity;
the extraction device is arranged in the accommodating cavity along the axial direction of the shell body, the extraction device is connected with the inner side wall of the shell body through the telescopic supporting device, and the telescopic supporting device is used for adjusting the inclination angle of the extraction device and the central axis of the shell body so that a needle head on the extraction device corresponds to the through hole according to the set inclination angle requirement;
the control component is arranged on the holding handle, is connected with the extracting device and the telescopic supporting device through signals, and is used for controlling the extracting action of the extracting device and controlling the telescopic supporting device to adjust the inclination angle of the extracting device.
Preferably, the extracting device includes: the device comprises an outer sleeve, an inner sleeve, a first stepping motor, a piston, an elastic clamping seat and a puncture needle;
the inner sleeve and the first stepping motor are arranged in the inner cavity of the outer sleeve, and an extraction cavity is arranged in the inner sleeve;
the piston is slidably arranged in the extraction cavity, a driving rod of the piston is in driving connection with the first stepping motor, the first stepping motor is in signal connection with the control assembly, and the piston is driven to correspondingly push or stretch the medium in the extraction cavity when the first stepping motor rotates forwards or backwards, so that the medium pressure in the extraction cavity is changed;
the inner sleeve is far away from one end of the first stepping motor, a through hole is formed in the through hole, an elastic clamping seat is arranged on the through hole, and the tail end of the puncture needle is clamped in the elastic clamping seat and communicated with the through hole.
Preferably, the extracting device further includes: a second stepping motor;
the second stepping motor is arranged in the outer sleeve and is in driving connection with the inner sleeve, the second stepping motor is used for driving the inner sleeve to move along the inner cavity of the outer sleeve, so that the head of the puncture needle is contained in the containing cavity when the inner sleeve is positioned at the first position, and the head of the puncture needle extends out of the set length along the through hole on the contact disc when the inner sleeve is positioned at the second position.
Preferably, the extracting device further includes: a pressure sensor and a temperature sensor;
the pressure sensor and the temperature sensor are arranged on the end surface of the piston facing the puncture needle;
the pressure sensor is used for detecting the pressure of the extracting liquid in the extracting cavity, and the temperature sensor is used for detecting the temperature of the extracting liquid in the extracting cavity;
the control component is respectively connected with the pressure sensor and the temperature sensor in a signal way, and the control component also calculates an intraocular pressure value according to the extracting liquid pressure detected by the pressure sensor.
Preferably, the cross section of the extraction cavity is a square hole, and the cross section of the piston is a square.
Preferably, the contact disc is made of a nontoxic and harmless flexible material, and the inclination angles of the through holes on the contact disc and the central line are respectively as follows: pitch 0 °, pitch 5 ° and pitch 10 °.
Preferably, the telescopic supporting means comprises: a telescopic connecting column and a spring;
the telescopic connecting columns are symmetrically arranged on two sides of one end of the extracting device, and the springs are symmetrically arranged on two sides of the other end of the extracting device;
the telescopic connecting column is in signal connection with the control assembly, and the telescopic connecting column generates shrinkage change according to signals sent by the control assembly so as to adjust the inclination angle of the extraction device.
Preferably, a piezoelectric ceramic driving piece is arranged in the telescopic connecting column, and the piezoelectric ceramic driving piece is in signal connection with the control assembly;
the control assembly controls the piezoelectric ceramic driving piece to extend or shorten so as to drive the telescopic connecting column to generate telescopic change.
Preferably, the method further comprises: a touch screen;
the touch screen is arranged on the shell body and is provided with a man-machine interaction operation interface, and the touch screen is in signal connection with the control assembly;
and an operator selects and sets the puncture angle, the puncture depth and the aqueous humor extraction amount of the extraction device through the touch screen.
Preferably, the control assembly includes: the device comprises a controller, a starting switch, an extraction switch and a puncture switch;
the controller is respectively connected with the starting switch, the extraction switch, the puncture switch, the first stepping motor and the second stepping motor in a signal manner;
the controller controls the first stepping motor to operate according to the extraction switch so as to enable the piston to push or stretch;
the controller controls the second stepping motor to operate according to the puncture switch so as to drive the puncture needle to perform puncture movement.
The invention provides an anterior chamber puncturing device, which adopts a control assembly arranged on a holding handle to perform ophthalmic solution extraction and puncturing angle control on a puncturing device so as to accurately control puncturing depth and the amount of water in an extracted chamber. The problems that quantitative extraction is inconvenient and unsafe when the anterior chamber puncture liquid is pumped are solved, anterior chamber puncture and quantitative collection of intraocular liquid can be conveniently and safely carried out under an outpatient service slit lamp, control and judgment do not need to be carried out subjectively by operators, operation difficulty and risk are reduced, and working efficiency and safety are improved.
Drawings
In order to more clearly illustrate the specific embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a schematic view of an apparatus for anterior chamber puncture provided by the present invention;
FIG. 2 is a schematic view of a puncture device according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a lancing device according to an embodiment of the present invention;
FIG. 4 is a schematic view of a contact disc provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a touch screen according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an operation flow for pumping aqueous humor of a patient according to an embodiment of the present invention.
Detailed Description
In order to make the solution of the embodiment of the present invention better understood by those skilled in the art, the embodiment of the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Aiming at the problems of inconvenience and unsafe extraction of the liquid in the eye chamber at present, the invention provides a device for the puncture of the eye chamber, which solves the problems of inconvenience and unsafe quantitative extraction in the existing operation of the puncture and extraction of the eye chamber, can conveniently and safely perform the operation of the puncture of the eye chamber and the quantitative collection of the liquid in the eye chamber under an outpatient slit lamp, does not need to control and judge subjectively by operators, reduces the operation difficulty and risk, and improves the working efficiency and the safety.
As shown in fig. 1 to 5, an anterior chamber puncture device includes: the puncture device A, the holding handle B and the control component C; the puncture device A is arranged on the end part of the holding handle B. As shown in fig. 2, the puncture device includes: the shell body 13, the contact disc 2, the extracting device and the telescopic supporting device. The shell body 13 is internally provided with a containing cavity, one end part of the shell body 13 is provided with the contact disc 2, the contact disc 2 is provided with a plurality of through holes with different inclination angles, and the through holes are communicated with the containing cavity. The extraction device is arranged in the accommodating cavity along the axial direction of the shell body, the extraction device is connected with the inner side wall of the shell body through the telescopic supporting device, and the telescopic supporting device is used for adjusting the inclination angle of the extraction device and the central axis of the shell body, so that a needle head on the extraction device corresponds to the through hole according to the set inclination angle requirement.
As shown in fig. 1, the control component C is disposed on the grip handle B, and is in signal connection with the extracting device and the telescopic supporting device, and is configured to control the extracting motion of the extracting device, and control the telescopic supporting device to adjust the inclination angle of the extracting device.
Specifically, the holding handle may be hollow, has a battery and a charging circuit built therein, and is provided with a connection harness. The holding handle and the puncture device can be vertically arranged, the end part of the puncture device is provided with a contact disc, and the contact disc is provided with through holes with different inclination angles. The shell body of the puncture device can be of a cylindrical structure, a containing cavity is formed in the shell body, an extraction device is axially arranged in the containing cavity, a puncture needle is arranged at the end part of the extraction device, and an operator controls the extraction device to perform a pumping action through a control assembly so as to push the puncture needle to perform a puncture action through a through hole contacting with the disc. Simultaneously, both sides are connected with the inside wall of shell body through flexible strutting arrangement around the extraction device, can make the contained angle of extraction device and the central axis of shell body change when the flexible strutting arrangement shrink of arbitrary side, and then make the pjncture needle incline according to setting for the angle. In addition, the extraction device is also used for controlling the puncture stroke and the extraction stroke of the puncture needle, so as to control the puncture depth and the extracted eye liquid amount. The operator selects the puncture angle by controlling the extraction device, so that the puncture depth and the extraction water volume can be accurately controlled. The problems that quantitative extraction is inconvenient and unsafe when the anterior chamber puncture liquid is pumped are solved, anterior chamber puncture and quantitative collection of intraocular liquid can be conveniently and safely carried out under an outpatient service slit lamp, control and judgment do not need to be carried out subjectively by operators, operation difficulty and risk are reduced, and working efficiency and safety are improved.
As shown in fig. 2, the extracting device includes: an outer sleeve 9, an inner sleeve 5, a first stepping motor 8, a piston 11, an elastic clamping seat 4 and a puncture needle 3. The inner cavity of the outer sleeve 9 is provided with the inner sleeve and the first stepping motor, and the inner sleeve 5 is internally provided with an extraction cavity. The piston 11 is slidably disposed in the extraction cavity, a driving rod of the piston 11 is in driving connection with the first stepper motor 8, the first stepper motor is in signal connection with the control assembly, and when the first stepper motor 8 rotates forward or rotates backward, the piston 11 is driven to perform corresponding pushing or stretching movement on the medium in the extraction cavity, so that the pressure of the medium in the extraction cavity is changed. The inner sleeve 5 is far away from one end of the first stepping motor 8 and is provided with a via hole, the via hole is provided with an elastic clamping seat 4, and the tail end of the puncture needle 3 is clamped in the elastic clamping seat 4 and is communicated with the via hole.
In practical applications, the housing body 13 may be made of a lightweight material such as engineering plastics/composite materials, and has a cylindrical appearance. The piston 11 can move along the inner wall of the inner sleeve 5 under the drive of the first stepping motor 8, and the piston 11 and the inner sleeve 5 are tightly attached to ensure the air tightness; the contact disc 2 is made of nontoxic and harmless materials, a plurality of through holes are formed in the center of the disc and the center line in the vertical direction, each through hole forms different angles with the plane of the disc, and the diameter of each through hole is slightly larger than that of the puncture needle; the puncture needle 3 is arranged on the elastic clamping seat 4 at the top end of the inner sleeve 5, and can be installed and detached through the through hole, and the tail end of the puncture needle 3 extends into the end surface conducting hole of the inner sleeve 5, so that the cavity inside the puncture needle 3 can be communicated with the extraction cavity of the inner sleeve 5 and the air tightness is ensured.
Further, the extracting device further includes: a second stepper motor (not shown). The second stepping motor is arranged in the outer sleeve and is in driving connection with the inner sleeve, the second stepping motor is used for driving the inner sleeve to move along the inner cavity of the outer sleeve, so that the head of the puncture needle is contained in the containing cavity when the inner sleeve is positioned at the first position, and the head of the puncture needle extends out of the set length along the through hole on the contact disc when the inner sleeve is positioned at the second position.
In practical application, the inner sleeve 5 is connected with the inner wall of the outer sleeve 9 in a threaded manner, and can be driven by a second stepping motor to accurately stretch and retract, the moving stroke of the inner sleeve is ensured to ensure that the forefront end of the puncture needle 3 can be completely retracted to a certain distance inside the contact disc 2 during retraction, the movement of all structures inside is ensured not to be influenced, the puncture needle 3 can be ensured to extend out of the contact disc 2 for a sufficient length during extension, the puncture depth requirement required by operation can be met, and the safe puncture depth is ensured not to be exceeded.
As shown in fig. 2, the extracting device further includes: a pressure sensor 1 and a temperature sensor (not shown in the figure); the pressure sensor 1 and the temperature sensor are arranged on the end face of the piston facing the puncture needle. The pressure sensor is used for detecting the pressure of the extracting liquid in the extracting cavity, and the temperature sensor is used for detecting the temperature of the extracting liquid in the extracting cavity. The control component is respectively connected with the pressure sensor and the temperature sensor in a signal way, and the control component also calculates an intraocular pressure value according to the extracting liquid pressure detected by the pressure sensor.
In practical applications, the pressure sensor and the temperature sensor may be integrated together to form a composite sensor, and mounted on the top end of the piston 11, for measuring the pressure and temperature of the liquid in contact with the top end of the piston in real time, so as to calculate the pressure and temperature of the liquid inside.
Further, the cross section of the extraction cavity is a square hole, and the cross section of the piston is a square.
The contact disc is made of nontoxic and harmless flexible materials, and the inclination angles of the through holes on the contact disc and the central line are respectively as follows: pitch 0 °, pitch 5 ° and pitch 10 °.
In practical application, as shown in fig. 4, the through holes on the contact disc 2 correspond to the through holes 201 pitching 0 ° and the through holes 202 pitching 10 ° and the through holes 203 pitching 5 °.
As shown in fig. 2, the telescopic support device includes: telescopic connection column and spring. The telescopic connecting columns are symmetrically arranged on two sides of one end of the extracting device, and the springs are symmetrically arranged on two sides of the other end of the extracting device. The telescopic connecting column is in signal connection with the control assembly, and the telescopic connecting column generates shrinkage change according to signals sent by the control assembly so as to adjust the inclination angle of the extraction device.
Further, a piezoelectric ceramic driving piece is arranged in the telescopic connecting column, and the piezoelectric ceramic driving piece is in signal connection with the control assembly. The control assembly controls the piezoelectric ceramic driving piece to extend or shorten so as to drive the telescopic connecting column to generate telescopic change.
In practical application, as shown in fig. 3, the outer sleeve 9 is connected to the inner wall of the housing body 13 by a first telescopic connecting column 12 and a second telescopic connecting column 6 corresponding to two sides of the front end, and a first spring 10 and a second spring 7 corresponding to two sides of the rear end, and the left and right sides of the outer sleeve 9 are fixed by a first vertical partition 14 and a second vertical partition 15 corresponding to the two sides, respectively. The cavity formed between the outer sleeve and the shell body, the cavity formed between the vertical partition board and the shell body can be used for arranging power lines and data lines which are interconnected among internal components. The telescopic connecting column is driven by the piezoelectric ceramic driving piece to change in a telescopic way, and the outer sleeve can pitch up and down in a vertical aspect by being matched with a spring. So that the puncture needle punctures according to the set inclination angle.
As shown in fig. 5, the apparatus further includes: a touch screen D; the touch screen D is arranged on the shell body of the puncture device A, a man-machine interaction operation interface is arranged on the touch screen, and the touch screen is in signal connection with the control assembly. And an operator selects and sets the puncture angle, the puncture depth and the aqueous humor extraction amount of the extraction device through the touch screen.
In practical application, the display panel of the touch screen can display information such as measured intraocular pressure, temperature, puncture angle, puncture depth, aqueous humor extraction amount and the like in real time.
Further, the control assembly includes: the device comprises a controller, a start switch, an extraction switch and a puncture switch. The controller is respectively connected with the starting switch, the extracting switch, the puncture switch, the first stepping motor and the second stepping motor in a signal way. The controller controls the first stepping motor to operate according to the extraction switch so as to enable the piston to push or stretch. The controller controls the second stepping motor to operate according to the puncture switch so as to drive the puncture needle to perform puncture movement.
In practical application, as shown in fig. 6, the operation flow of extracting aqueous humor of a patient by using the device is that firstly, the puncture needle 3 is mounted on the elastic clamping seat 4 through the through hole 201; the inner sleeve 5 is controlled to move backwards, so that the tip of the puncture needle 3 is also completely retracted into the contact disc 2; setting a puncture angle, a puncture depth and an extraction room water volume according to treatment requirements; after the setting is finished, the hand-held device presses the contact disc 2 slightly hard on the part of the patient to be punctured; the control switch starts puncturing, the device automatically controls the outer sleeve 9 to pitch by a certain angle according to a preset puncturing angle, so that the puncturing needle 3 is aligned with a through hole conforming to the preset puncturing angle, then controls the inner sleeve 5 to move forwards, so that the puncturing needle 3 stretches out from the through hole conforming to the preset puncturing angle to puncture forwards, and stops moving when the puncturing needle conforms to the preset puncturing depth, so that puncturing is completed; at this time, the piston 11 starts to move backwards, negative pressure is formed in the gap between the piston 11 and the inner sleeve 5, so that the aqueous humor is extracted, and after the gap volume reaches the preset amount of the aqueous humor extracted (the volume of the hollow tube inside the puncture needle 3 needs to be considered during calculation), the piston 11 stops moving, and liquid taking is completed; at this time, the hydraulic pressure value in the eyes of the patient is calculated according to the data measured by the pressure/temperature sensor, the hydraulic pressure value is displayed on a display panel of the touch screen, whether the intraocular pressure value reaches the treatment purpose is judged, if not, the liquid taking process is repeated after the aqueous humor extraction amount is reset, and the intraocular pressure value reaches the expected value; after the liquid is taken, the inner sleeve 5 moves backwards, so that the tip of the puncture needle 3 is completely retracted into the contact disc 2, and the contact disc 2 can be removed from the puncture position of the patient at the moment; when the liquid is discharged, the outer sleeve 9 automatically returns to the pitching 0 degree position, then the inner sleeve 5 moves forwards to enable the puncture needle 3 to extend, after the puncture needle is aligned with a proper container, the piston 11 is controlled to move forwards, the extracted aqueous humor is discharged into the container, and after the extracted aqueous humor is completely discharged, the piston 11 stops moving and is tightly attached to the inner sleeve 5; finally, the puncture needle 3 is taken down to complete the whole operation.
The invention provides an anterior chamber puncture device, which adopts a control assembly arranged on a holding handle to perform ophthalmic solution extraction and puncture angle control on the puncture device so as to accurately control the puncture depth and the extraction aqueous humor. The problems that quantitative extraction is inconvenient and unsafe when the anterior chamber puncture liquid is pumped are solved, anterior chamber puncture and quantitative collection of intraocular liquid can be conveniently and safely carried out under an outpatient service slit lamp, control and judgment do not need to be carried out subjectively by operators, operation difficulty and risk are reduced, and working efficiency and safety are improved.
While the construction, features and effects of the present invention have been described in detail with reference to the embodiments shown in the drawings, the above description is only a preferred embodiment of the present invention, but the present invention is not limited to the embodiments shown in the drawings, and all changes made according to the concepts of the present invention or modifications as equivalent embodiments are within the scope of the present invention without departing from the spirit covered by the specification and drawings.
Claims (8)
1. An anterior chamber puncturing device, comprising: a lancing device, a grip handle, and a control assembly;
the puncture device is provided on an end of the grip handle, the puncture device comprising: the device comprises a shell body, a contact disc, an extraction device and a telescopic supporting device;
the shell body is internally provided with a containing cavity, one end part of the shell body is provided with the contact disc, the contact disc is provided with a plurality of through holes with different inclination angles, and the through holes are communicated with the containing cavity;
the extraction device is arranged in the accommodating cavity along the axial direction of the shell body, the extraction device is connected with the inner side wall of the shell body through the telescopic supporting device, and the telescopic supporting device is used for adjusting the inclination angle of the central axes of the extraction device and the shell body, so that a needle head on the extraction device corresponds to the through hole according to the requirement of a set inclination angle, and further the puncture needle head inclines according to the set angle;
the control assembly is arranged on the holding handle, is in signal connection with the extracting device and the telescopic supporting device, and is used for controlling the extracting action of the extracting device so as to push a needle head on the extracting device to perform puncturing action through a through hole of the contact disc, controlling the telescopic supporting device to adjust the inclination angle of the extracting device, controlling the puncturing stroke and the extracting stroke, and further controlling the puncturing depth and the extracted eye liquid amount;
the telescopic support device includes: a telescopic connecting column and a spring;
the telescopic connecting columns are symmetrically arranged on two sides of one end of the extracting device, and the springs are symmetrically arranged on two sides of the other end of the extracting device;
the telescopic connecting column is in signal connection with the control assembly, and the telescopic connecting column generates shrinkage change according to a signal sent by the control assembly so as to adjust the inclination angle of the extraction device;
a piezoelectric ceramic driving piece is arranged in the telescopic connecting column and is in signal connection with the control assembly;
the control assembly controls the piezoelectric ceramic driving piece to extend or shorten so as to drive the telescopic connecting column to generate telescopic change.
2. The anterior chamber puncturing device of claim 1, wherein the extraction device comprises: the device comprises an outer sleeve, an inner sleeve, a first stepping motor, a piston, an elastic clamping seat and a puncture needle;
the inner sleeve and the first stepping motor are arranged in the inner cavity of the outer sleeve, and an extraction cavity is arranged in the inner sleeve;
the piston is slidably arranged in the extraction cavity, a driving rod of the piston is in driving connection with the first stepping motor, the first stepping motor is in signal connection with the control assembly, and the piston is driven to correspondingly push or stretch the medium in the extraction cavity when the first stepping motor rotates forwards or backwards, so that the medium pressure in the extraction cavity is changed;
the inner sleeve is far away from one end of the first stepping motor, a through hole is formed in the through hole, an elastic clamping seat is arranged on the through hole, and the tail end of the puncture needle is clamped in the elastic clamping seat and communicated with the through hole.
3. The anterior chamber puncturing device of claim 2, wherein the extraction device further comprises: a second stepping motor;
the second stepping motor is arranged in the outer sleeve and is in driving connection with the inner sleeve, the second stepping motor is used for driving the inner sleeve to move along the inner cavity of the outer sleeve, so that the head of the puncture needle is contained in the containing cavity when the inner sleeve is positioned at the first position, and the head of the puncture needle extends out of the set length along the through hole on the contact disc when the inner sleeve is positioned at the second position.
4. The anterior chamber puncturing device of claim 3, wherein the extraction device further comprises: a pressure sensor and a temperature sensor;
the pressure sensor and the temperature sensor are arranged on the end surface of the piston facing the puncture needle;
the pressure sensor is used for detecting the pressure of the extracting liquid in the extracting cavity, and the temperature sensor is used for detecting the temperature of the extracting liquid in the extracting cavity;
the control component is respectively connected with the pressure sensor and the temperature sensor in a signal way, and the control component also calculates an intraocular pressure value according to the extracting liquid pressure detected by the pressure sensor.
5. The anterior chamber puncturing device of claim 4, wherein the extraction lumen is square in cross-section and the piston is square in cross-section.
6. The anterior chamber puncturing device of claim 5, wherein the contact disc is made of a non-toxic and harmless flexible material, and the plurality of through holes on the contact disc are respectively inclined at an angle with respect to the center line: pitch 0 °, pitch 5 ° and pitch 10 °.
7. The anterior chamber puncturing device of claim 6, further comprising: a touch screen;
the touch screen is arranged on the shell body and is provided with a man-machine interaction operation interface, and the touch screen is in signal connection with the control assembly;
and an operator selects and sets the puncture angle, the puncture depth and the aqueous humor extraction amount of the extraction device through the touch screen.
8. The anterior chamber puncturing device of claim 7, wherein the control assembly comprises: the device comprises a controller, a starting switch, an extraction switch and a puncture switch;
the controller is respectively connected with the starting switch, the extraction switch, the puncture switch, the first stepping motor and the second stepping motor in a signal manner;
the controller controls the first stepping motor to operate according to the extraction switch so as to enable the piston to push or stretch;
the controller controls the second stepping motor to operate according to the puncture switch so as to drive the puncture needle to perform puncture movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310205161.3A CN116035797B (en) | 2023-03-06 | 2023-03-06 | Anterior chamber of eye is device for puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310205161.3A CN116035797B (en) | 2023-03-06 | 2023-03-06 | Anterior chamber of eye is device for puncture |
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| Publication Number | Publication Date |
|---|---|
| CN116035797A CN116035797A (en) | 2023-05-02 |
| CN116035797B true CN116035797B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310205161.3A Active CN116035797B (en) | 2023-03-06 | 2023-03-06 | Anterior chamber of eye is device for puncture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210078030U (en) * | 2019-01-31 | 2020-02-18 | 南通市第一人民医院 | Eye surgery auxiliary device |
| CN214180770U (en) * | 2020-12-14 | 2021-09-14 | 襄阳爱尔眼科医院有限公司 | Device for taking silicone oil out of aphakic anterior chamber |
| CN114983673A (en) * | 2022-07-20 | 2022-09-02 | 北京安龙生物医药有限公司 | Injection device for ophthalmic injection and application thereof |
| CN218128939U (en) * | 2022-10-24 | 2022-12-27 | 珠海市立通生物科技有限公司 | Glaucoma drainage instrument |
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| US7316676B2 (en) * | 2002-08-20 | 2008-01-08 | Gholam A. Peyman | Treatment of retinal detachment |
| CN107854164A (en) * | 2017-11-28 | 2018-03-30 | 刘玲 | A kind of new chest tumor puncture device |
| CN210644136U (en) * | 2018-10-12 | 2020-06-02 | 曾明月 | Bone marrow puncture extraction device for hematology department |
| CN215606821U (en) * | 2021-06-02 | 2022-01-25 | 张颖 | Auxiliary device for discharging and quantitatively extracting anterior chamber water |
| CN113425497A (en) * | 2021-07-22 | 2021-09-24 | 上海市同济医院 | Automatic control device for intracameral puncture drainage intraocular pressure |
| CN114732990B (en) * | 2021-11-10 | 2024-05-07 | 南京市河西医院有限公司 | FASANELLA injector for eyelid molding operation and method thereof |
| CN114848025A (en) * | 2022-03-09 | 2022-08-05 | 上海市同济医院 | Disposable aqueous humor sample collecting device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210078030U (en) * | 2019-01-31 | 2020-02-18 | 南通市第一人民医院 | Eye surgery auxiliary device |
| CN214180770U (en) * | 2020-12-14 | 2021-09-14 | 襄阳爱尔眼科医院有限公司 | Device for taking silicone oil out of aphakic anterior chamber |
| CN114983673A (en) * | 2022-07-20 | 2022-09-02 | 北京安龙生物医药有限公司 | Injection device for ophthalmic injection and application thereof |
| CN218128939U (en) * | 2022-10-24 | 2022-12-27 | 珠海市立通生物科技有限公司 | Glaucoma drainage instrument |
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