CN113116476A - Cerebral hemorrhage puncture drainage device with adjustable suction angle - Google Patents

Cerebral hemorrhage puncture drainage device with adjustable suction angle Download PDF

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Publication number
CN113116476A
CN113116476A CN202110421767.1A CN202110421767A CN113116476A CN 113116476 A CN113116476 A CN 113116476A CN 202110421767 A CN202110421767 A CN 202110421767A CN 113116476 A CN113116476 A CN 113116476A
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drainage
tube
puncturing
cerebral hemorrhage
drainage device
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CN202110421767.1A
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Chinese (zh)
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杨丽俊
孙振华
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Individual
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • A61B17/3439Cannulas with means for changing the inner diameter of the cannula, e.g. expandable

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention relates to a cerebral hemorrhage puncture drainage device with adjustable suction angle, belonging to the field of medical auxiliary instruments, which comprises an outer protective tube, wherein the outer surface of the outer protective tube is fixedly connected with a positioning plate, the top end of a rotating ring is rotatably connected with the rotating ring, the upper surface of the rotating ring is fixedly connected with a first magnetic part, and the outer part of the outer protective tube is provided with a perforation mechanism and a drainage mechanism. Can fix the drainage tube, guarantee the stability of drainage tube in outer protective tube.

Description

Cerebral hemorrhage puncture drainage device with adjustable suction angle
Technical Field
The invention relates to the field of medical auxiliary instruments, in particular to a cerebral hemorrhage puncture drainage device with an adjustable suction angle.
Background
Intracranial hemorrhage refers to the rupture of blood vessels in the brain and causes the hemorrhage, therefore the cerebral cell who obtains blood by the blood vessel receives the destruction while, because the hemorrhage oppresses peripheral nervous tissue and causes the obstacle, intracranial hemorrhage can merge with the hyperthermia and appear usually, this symptom can increase the brain oxygen consumption, and then cause the brain oxygen supply to be insufficient, intracranial hemorrhage refers to the rupture of intracranial blood vessels and causes the hemorrhage, can divide into epidural hematoma, subdural hematoma, subarachnoid hemorrhage, cerebral hemorrhage and ventriculo-cerebral hemorrhage according to the difference of bleeding position.
The treatment of hypertensive cerebral hemorrhage includes conservative drug treatment, craniotomy hematoma removal operation, minimally invasive hematoma puncture suction drainage operation and the like, and the minimally invasive hematoma puncture suction drainage operation punctures and places a drainage tube under the B ultrasonic positioning to drain liquid accumulated in the cranium out, thereby avoiding complications such as organ dysfunction or infection and the like.
At present, the traditional puncture drainage device mostly adopts the embodiment of earlier perforation back low tube to carry out the puncture drainage operation, easily causes skin bacterium to shift, and then can lead to intracranial infection to difficult adjustment suction direction has reduced the suction effect to the hematoma.
Based on the above, the invention designs a cerebral hemorrhage puncture drainage device with adjustable suction angle to solve the above problems.
Disclosure of Invention
Solves the technical problem
Aiming at the defects in the prior art, the invention provides a cerebral hemorrhage puncture drainage device with an adjustable suction angle.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an adjustable suction angle's cerebral hemorrhage puncture drainage device, includes the outer pillar, the outer fixed surface of outer pillar is connected with the locating plate, the top of rotatory circle is rotated and is connected with rotatory circle, the first magnetic part of last fixed surface of rotatory circle is connected with, the outside of outer pillar is provided with piercing mechanism and drainage mechanism, and piercing mechanism and drainage mechanism all with outer pillar looks adaptation.
Furthermore, the perforating mechanism comprises a perforating pipe, the upper surface of the perforating pipe is fixedly connected with a hexagonal block, the outer surface of the perforating pipe is fixedly connected with a second magnetic part, the second magnetic part is matched with the first magnetic part, and the bottom end of the perforating pipe is conical.
Furthermore, the inside of perforated pipe rotates and is connected with two-way lead screw, and the one end of two-way lead screw runs through the inner wall of perforated pipe and extends to the outside of perforated pipe, the surface threaded connection of two-way lead screw has two symmetrical sliders, two the bottom of slider all articulates there is the hinge bar.
Furthermore, the inside fixedly connected with guide board of perforation pipe, the inside sliding connection of guide board has the push rod, two the bottom of articulated rod articulates respectively in the both ends of push rod upper surface, the bottom fixedly connected with toper piece of push rod.
Furthermore, two groups of symmetrical accommodating grooves are formed in the bottom end of the perforated pipe, a rotary blade is hinged to the inside of each accommodating groove, and one side face, far away from the perforated pipe, of each rotary blade is a sharp blade face.
Furthermore, every the arc wall has all been seted up to the side that the rotary blade is close to the perforated pipe, every the inside of arc wall all articulates there is the gangbar, the surface and the fixedly connected with push pedal of perforated pipe are run through to the one end that the arc wall was kept away from to the gangbar, and gangbar and perforated pipe sliding connection.
Furthermore, one side face, far away from the linkage rod, of the push plate is rotatably connected with cylindrical pieces which are arranged at equal intervals, the cylindrical pieces are in contact with the outer surface of the conical block, a spring is sleeved on the outer surface of the linkage rod, and the spring is located inside the perforated pipe.
Furthermore, the drainage mechanism comprises a drainage tube, the top end of the drainage tube is fixedly communicated with a connecting pipe joint, the outer surface of the connecting pipe joint is provided with threads, and the bottom of the outer surface of the drainage tube is provided with a drainage hole.
Furthermore, the outer surface of the drainage tube is fixedly connected with a third magnetic part, and the third magnetic part is matched with the first magnetic part.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. the invention realizes the purpose of perforating the skull by installing the hexagonal block inside the driving motor, driving the perforating tube to rotate by the driving motor and under the action of the rotating blade, realizes the purpose of perforating the skull by rotating the bidirectional screw rod inside the perforating tube, enabling the slide block to move on the bidirectional screw rod and enabling the push rod to slide inside the guide plate under the action of the hinge rod, further enabling the push rod to push the conical block to move downwards, enabling the conical block to extrude the push plate through the cylindrical piece, enabling the rotating blade to rotate inside the accommodating groove by pushing the linkage rod out of the perforating tube, realizes the purpose of adjusting the perforation diameter of the rotating blade, achieves the effect of rotatably adjusting the rotating blade, can install the perforating mechanism inside the outer protecting tube, realizes the purpose of installing the outer protecting tube in the skull during drilling, effectively prevents the phenomenon of skin bacterium displacement caused when the perforating mechanism stretches out or takes out of the skull, avoiding causing intracranial infection.
2. According to the invention, the external suction pipe is connected with the connecting pipe joint through the threads on the connecting pipe joint, the drainage pipe can extend into the outer protection pipe, and the bottom end of the drainage pipe extends out of the inner part of the outer protection pipe, so that intracranial stagnant blood is sucked into the drainage pipe through the drainage hole, meanwhile, the drainage pipe can rotate in the outer protection pipe, the aim of sucking the stagnant blood from multiple angles is achieved, and the third magnetic part and the first magnetic part are mutually adsorbed, so that the drainage pipe can be fixed, and the stability of the drainage pipe in the outer protection pipe is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a perspective view of the piercing mechanism of the present invention installed within an outer sheath;
FIG. 2 is a perspective view of the drainage mechanism of the present invention installed within an outer sheath;
FIG. 3 is a cross-sectional view of the piercing mechanism of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at A according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3 at B in accordance with the present invention;
FIG. 6 is a perspective view of the drainage mechanism of the present invention;
FIG. 7 is a perspective view of the perforated structure of the present invention;
fig. 8 is a view showing the state in which the rotary blade of the present invention is extended from the arc-shaped groove.
The reference numerals in the drawings denote: 1. an outer protecting pipe; 2. positioning a plate; 3. a rotating ring; 4. a first magnetic member; 5. a punching mechanism; 501. a perforated pipe; 502. a hexagonal block; 503. a bidirectional screw rod; 504. a slider; 505. a hinged lever; 506. a push rod; 507. a second magnetic member; 508. a guide plate; 509. a conical block; 510. a receiving groove; 511. a rotary blade; 512. an arc-shaped slot; 513. a linkage rod; 514. pushing the plate; 515. a cylindrical member; 516. a spring; 6. a drainage mechanism; 601. a drainage tube; 602. a third magnetic member; 603. a pipe connection joint; 604. and (4) drainage holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1-8, a cerebral hemorrhage puncturing drainage device with adjustable suction angle comprises an outer protection tube 1, a positioning plate 2 is fixedly connected to the outer surface of the outer protection tube 1, a rotary ring 3 is rotatably connected to the top end of the rotary ring 3, a first magnetic member 4 is fixedly connected to the upper surface of the rotary ring 3, a perforating mechanism 5 and a drainage mechanism 6 are arranged outside the outer protection tube 1, the perforating mechanism 5 and the drainage mechanism 6 are both matched with the outer protection tube 1, the perforating mechanism 5 comprises a perforated tube 501, the bottom end of the perforated tube 501 is in a conical structure, a hexagonal block 502 is fixedly connected to the upper surface of the perforated tube 501, a second magnetic member 507 is fixedly connected to the outer surface of the perforated tube 501, the second magnetic member 507 is matched with the first magnetic member 4, the bottom end of the perforated tube 501 is in a conical shape, a bidirectional screw 503 is rotatably connected to the inside of the perforated tube 501, and one end of the bidirectional screw 503 penetrates through the inner wall of the perforated tube 501 and, the outer surface of the bidirectional screw 503 is in threaded connection with two symmetrical sliding blocks 504, the bottom ends of the two sliding blocks 504 are hinged with hinged rods 505, the inner part of the perforated pipe 501 is fixedly connected with a guide plate 508, the inner part of the guide plate 508 is connected with a push rod 506 in a sliding manner, the bottom ends of the two hinged rods 505 are respectively hinged with two ends of the upper surface of the push rod 506, the bottom end of the push rod 506 is fixedly connected with a conical block 509, the bottom end of the perforated pipe 501 is provided with two groups of symmetrical accommodating grooves 510, the inner part of each accommodating groove 510 is hinged with a rotary blade 511, one side surface of the rotary blade 511 far away from the perforated pipe 501 is a sharp edge surface, the outer surfaces of the rotary blade 511 and the perforated pipe 501 are provided with threaded grooves convenient for drilling, one side surface of each rotary blade 511 near the perforated pipe 501 is provided with an arc-shaped groove 512, the inner part of each arc-shaped groove 512 is hinged with a linkage rod 513, one, the linkage rod 513 is connected with the perforated pipe 501 in a sliding manner, one side surface of the push plate 514, which is far away from the linkage rod 513, is rotatably connected with cylindrical pieces 515 which are arranged at equal intervals, the cylindrical pieces 515 are in contact with the outer surface of the conical block 509, the outer surface of the linkage rod 513 is sleeved with a spring 516, and the spring 516 is positioned inside the perforated pipe 501;
the hexagonal block 502 is arranged inside the driving motor, the driving motor drives the perforated pipe 501 to rotate, and under the action of the rotary blade 511, the purpose of perforating the skull is achieved, the bidirectional screw rod 503 is rotated inside the perforated pipe 501, the sliding block 504 is moved on the bidirectional screw rod 503, and under the action of the hinge rod 505, the push rod 506 is slid inside the guide plate 508, so that the push rod 506 pushes the conical block 509 to move downwards, the conical block 509 can extrude the push plate 514 through the cylindrical piece 515, the linkage rod 513 is pushed out from the perforated pipe 501, the rotary blade 511 rotates inside the accommodating groove 510, the purpose of adjusting the perforation diameter of the rotary blade 511 is achieved, the effect of rotationally adjusting the rotary blade 511 is achieved, the perforation mechanism 5 can be arranged inside the outer protective pipe 1, and the purpose of installing the outer protective pipe 1 in the process of drilling is achieved, effectively preventing the phenomenon of skin bacteria displacement when the perforating mechanism 5 extends out of or is taken out of the skull, and avoiding intracranial infection.
Example 2
Example 2 is a further modification to example 1.
As shown in fig. 1-8, in the cerebral hemorrhage puncturing and drainage device with adjustable suction angle, a positioning plate 2 is fixedly connected to the outer surface of an outer protection tube 1, a rotating ring 3 is rotatably connected to the top end of the rotating ring 3, a first magnetic member 4 is fixedly connected to the upper surface of the rotating ring 3, a perforation mechanism 5 and a drainage mechanism 6 are arranged outside the outer protection tube 1, the perforation mechanism 5 and the drainage mechanism 6 are both adapted to the outer protection tube 1, the drainage mechanism 6 comprises a drainage tube 601, the top end of the drainage tube 601 is fixedly communicated with a connection pipe connector 603, the outer surface of the connection pipe connector 603 is provided with threads, a drainage hole 604 is formed in the bottom of the outer surface of the drainage tube 601, a third magnetic member 602 is fixedly connected to the outer surface of the drainage tube 601, and the third magnetic member 602 is adapted;
an external suction pipe is connected with the adapter 603 through threads on the adapter 603, the drainage pipe 601 can be extended into the outer protection pipe 1, and the bottom end of the drainage pipe 601 is extended out of the inner part of the outer protection pipe 1, so that intracranial extravasated blood is sucked into the drainage pipe 601 through the drainage hole 604, meanwhile, the drainage pipe 601 can be rotated in the outer protection pipe 1, the purpose of multi-angle blood stasis suction is achieved, the third magnetic part 602 and the first magnetic part 4 are mutually adsorbed, the drainage pipe 601 can be fixed, and the stability of the drainage pipe 601 in the outer protection pipe 1 is ensured.
When in use, as shown in fig. 1-8, firstly, the perforated pipe 501 is placed inside the outer protective pipe 1, the perforated pipe 501 is fixed inside the outer protective pipe 1 through the second magnetic member 507 and the first magnetic member 4, then, the outer protective pipe 1 is installed on the positioning mechanism through the positioning plate 2, and the outer protective pipe 1 is fixed at a proper position through the positioning mechanism;
then, the two-way screw rod 503 is rotated in the perforated pipe 501, the sliding block 504 is moved on the two-way screw rod 503, the push rod 506 is made to slide in the guide plate 508 under the action of the hinge rod 505, the push rod 506 pushes the conical block 509 to move downwards, the conical block 509 can extrude the push plate 514 through the cylindrical member 515, the linkage rod 513 is pushed out from the perforated pipe 501, the rotary blade 511 rotates in the accommodating groove 510, the drilling operation is convenient, the drilling size is consistent with that of the outer protective pipe 1, the purpose of adjusting the drilling diameter of the rotary blade 511 is achieved, the rotary blade 511 is rotatably adjusted, then the hexagonal block 502 is installed in the driving device, the perforated pipe 501 drives the perforated pipe 501 to rotate by starting the driving device, the skull is drilled by the rotary blade 511, and the outer protective pipe 1 extends into the cranium, then, the bidirectional screw rod 503 is rotated in the perforated pipe 501, the slide block 504 is moved on the bidirectional screw rod 503, the push rod 506 is slid in the guide plate 508 under the action of the hinge rod 505, the push rod 506 pushes the conical block 509 to move upwards, the conical block 509 can be released from extruding the push plate 514, the rotary blade 511 is accommodated in the accommodating groove 510 under the action of the elastic force of the spring 516, the perforated pipe 501 is taken out from the outer protective pipe 1, the perforating mechanism 5 can be installed in the outer protective pipe 1, the purpose of installing the outer protective pipe 1 in the skull during drilling is realized, the phenomenon that skin bacteria are displaced when the perforating mechanism 5 is extended out or taken out in the skull is effectively prevented, intracranial infection is avoided, finally, an external suction pipe is connected with the connecting pipe joint 603 through the thread on the connecting pipe joint 603, and the drainage pipe 601 can be extended into the outer protective pipe 1, and the third magnetic part 602 and the first magnetic part 4 are mutually adsorbed, so that the drainage tube 601 can be fixed, the stability of the drainage tube 601 in the outer protective tube 1 is ensured, the bottom end of the drainage tube 601 extends out of the inner part of the outer protective tube 1, intracranial extravasated blood is sucked into the drainage tube 601 through the drainage hole 604, the drainage tube 601 can rotate in the outer protective tube 1, and the aim of sucking the extravasated blood from multiple angles is fulfilled.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (9)

1. The utility model provides an adjustable suction angle's cerebral hemorrhage puncture drainage device, includes outer pillar (1), its characterized in that: the outer fixed surface of outer pillar (1) is connected with locating plate (2), the top of rotatory circle (3) is rotated and is connected with rotatory circle (3), the first magnetic part (4) of last fixed surface of rotatory circle (3), the outside of outer pillar (1) is provided with piercing mechanism (5) and drainage mechanism (6), and piercing mechanism (5) and drainage mechanism (6) all with outer pillar (1) looks adaptation.
2. The suction angle adjustable cerebral hemorrhage puncturing drainage device according to claim 1, wherein the puncturing mechanism (5) comprises a puncturing tube (501), a hexagonal block (502) is fixedly connected to the upper surface of the puncturing tube (501), a second magnetic member (507) is fixedly connected to the outer surface of the puncturing tube (501), the second magnetic member (507) is matched with the first magnetic member (4), and the bottom end of the puncturing tube (501) is conical.
3. The suction angle adjustable cerebral hemorrhage puncturing and drainage device according to claim 2, wherein a bidirectional screw rod (503) is rotatably connected to the inside of the perforated tube (501), one end of the bidirectional screw rod (503) penetrates through the inner wall of the perforated tube (501) and extends to the outside of the perforated tube (501), two symmetrical sliding blocks (504) are connected to the outer surface of the bidirectional screw rod (503) in a threaded manner, and the bottom ends of the two sliding blocks (504) are hinged to a hinge rod (505).
4. The suction angle adjustable cerebral hemorrhage puncturing drainage device according to claim 3, wherein a guide plate (508) is fixedly connected to the inside of the perforated tube (501), a push rod (506) is slidably connected to the inside of the guide plate (508), the bottom ends of the two hinge rods (505) are respectively hinged to two ends of the upper surface of the push rod (506), and a conical block (509) is fixedly connected to the bottom end of the push rod (506).
5. The suction angle adjustable cerebral hemorrhage puncturing and drainage device according to claim 2, wherein the bottom end of the perforated tube (501) is provided with two sets of symmetrical receiving grooves (510), each receiving groove (510) is internally hinged with a rotary blade (511), and one side surface of the rotary blade (511) far away from the perforated tube (501) is a sharp-edged surface.
6. The cerebral hemorrhage puncturing and drainage device with the adjustable suction angle as claimed in claim 5, wherein an arc-shaped groove (512) is formed in one side surface of each rotary blade (511) close to the perforated pipe (501), a linkage rod (513) is hinged inside each arc-shaped groove (512), one end, far away from the arc-shaped groove (512), of each linkage rod (513) penetrates through the outer surface of the perforated pipe (501) and is fixedly connected with a push plate (514), and the linkage rods (513) are connected with the perforated pipe (501) in a sliding manner.
7. The suction angle adjustable cerebral hemorrhage puncturing and drainage device according to any one of claims 4 or 6, characterized in that a side of the push plate (514) far away from the linkage rod (513) is rotatably connected with cylindrical members (515) which are arranged at equal intervals, the cylindrical members (515) are in contact with the outer surface of the conical block (509), the outer surface of the linkage rod (513) is sleeved with a spring (516), and the spring (516) is positioned inside the perforated pipe (501).
8. The suction angle adjustable cerebral hemorrhage puncturing drainage device according to claim 1, wherein the drainage mechanism (6) comprises a drainage tube (601), the top end of the drainage tube (601) is fixedly communicated with a connection pipe joint (603), the outer surface of the connection pipe joint (603) is provided with threads, and the bottom of the outer surface of the drainage tube (601) is provided with a drainage hole (604).
9. The suction angle adjustable cerebral hemorrhage puncturing drainage device according to claim 8, wherein a third magnetic member (602) is fixedly connected to the outer surface of the drainage tube (601), and the third magnetic member (602) is matched with the first magnetic member (4).
CN202110421767.1A 2021-04-20 2021-04-20 Cerebral hemorrhage puncture drainage device with adjustable suction angle Pending CN113116476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110421767.1A CN113116476A (en) 2021-04-20 2021-04-20 Cerebral hemorrhage puncture drainage device with adjustable suction angle

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Application Number Priority Date Filing Date Title
CN202110421767.1A CN113116476A (en) 2021-04-20 2021-04-20 Cerebral hemorrhage puncture drainage device with adjustable suction angle

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CN113116476A true CN113116476A (en) 2021-07-16

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107714138A (en) * 2017-11-14 2018-02-23 广东工业大学 A kind of reducing reamer for hip arthroplasty,acetabulum
CN208096798U (en) * 2017-07-17 2018-11-16 刘菊 A kind of hepatopathy puncture positioning device
CN208610954U (en) * 2018-04-09 2019-03-19 重庆医科大学附属儿童医院 Cranial surgery ventricles of the brain endoscopic surgery ball knife conduit
CN109758625A (en) * 2019-02-13 2019-05-17 乐陵市人民医院 A kind of Intracranial hematoma conduction device
CN111000622A (en) * 2019-12-20 2020-04-14 李强 Clinical function associative treatment device of intracardiac branch of academic or vocational study
CN210903279U (en) * 2019-09-24 2020-07-03 姬斌 Cerebral hemorrhage puncture drainage device with adjustable suction angle
CN112075969A (en) * 2020-09-30 2020-12-15 韩永台 Anchor type femoral head internal bone scraper capable of gradually expanding thick channel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208096798U (en) * 2017-07-17 2018-11-16 刘菊 A kind of hepatopathy puncture positioning device
CN107714138A (en) * 2017-11-14 2018-02-23 广东工业大学 A kind of reducing reamer for hip arthroplasty,acetabulum
CN208610954U (en) * 2018-04-09 2019-03-19 重庆医科大学附属儿童医院 Cranial surgery ventricles of the brain endoscopic surgery ball knife conduit
CN109758625A (en) * 2019-02-13 2019-05-17 乐陵市人民医院 A kind of Intracranial hematoma conduction device
CN210903279U (en) * 2019-09-24 2020-07-03 姬斌 Cerebral hemorrhage puncture drainage device with adjustable suction angle
CN111000622A (en) * 2019-12-20 2020-04-14 李强 Clinical function associative treatment device of intracardiac branch of academic or vocational study
CN112075969A (en) * 2020-09-30 2020-12-15 韩永台 Anchor type femoral head internal bone scraper capable of gradually expanding thick channel

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Application publication date: 20210716

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