CN110974370B - Ultrasonic intervention puncture device capable of preventing off-target - Google Patents
Ultrasonic intervention puncture device capable of preventing off-target Download PDFInfo
- Publication number
- CN110974370B CN110974370B CN201911399656.4A CN201911399656A CN110974370B CN 110974370 B CN110974370 B CN 110974370B CN 201911399656 A CN201911399656 A CN 201911399656A CN 110974370 B CN110974370 B CN 110974370B
- Authority
- CN
- China
- Prior art keywords
- shell
- guide wire
- target
- push rod
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Surgical Instruments (AREA)
Abstract
本发明专利公开了一种防止脱靶的超声介入穿刺装置，具体涉及医疗器械的技术领域。一种防止脱靶的超声介入穿刺装置，包括内部中空的圆柱形的壳体，所述壳体的一端设有穿刺部，所述壳体上开有半圆柱形的开口，所述壳体的内壁上设有位于开口处的弧形的挡片，所述壳体内设有导丝，所述导丝的一端连接有推转机构，所述推转机构用于控制导丝移动和转动。采用本发明技术方案克服了现有的穿刺装置无法进入靶目标内、且容易损伤周围组织的问题，可用于人体内靶目标的穿刺固定操作。
The patent of the present invention discloses an ultrasonic interventional puncture device for preventing off-target, which specifically relates to the technical field of medical devices. An ultrasonic interventional puncture device for preventing off-target, comprising a cylindrical shell with a hollow interior, a puncture portion being provided at one end of the shell, a semi-cylindrical opening being provided on the shell, an arc-shaped baffle being provided at the opening on the inner wall of the shell, a guide wire being provided in the shell, one end of the guide wire being connected to a push-turn mechanism, and the push-turn mechanism being used to control the movement and rotation of the guide wire. The technical solution of the present invention overcomes the problem that the existing puncture device cannot enter the target and is prone to damage surrounding tissues, and can be used for puncture and fixation operations of targets in the human body.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultrasonic intervention puncture device for preventing off-target.
Background
Ultrasonic guided puncture is a technology developed on the basis of ultrasonic imaging to meet clinical diagnosis and treatment requirements, and through the puncture needle, pathological tissues in a patient can be conveniently extracted or medicines can be conveniently injected into a certain target object in the patient. In the current ultrasonic interventional operation, if the envelope of the puncture target is tough, or the surrounding supporting structure is loose and soft, the puncture needle can not enter the target and damage surrounding tissues, so that the patient is damaged.
Disclosure of Invention
The invention aims to provide an ultrasonic intervention puncture device for preventing off-target, which solves the problems that the existing puncture device cannot enter a target and is easy to damage surrounding tissues.
In order to achieve the purpose, the ultrasonic intervention puncture device for preventing off-target comprises a cylindrical shell with a hollow inside, wherein a puncture part is arranged at one end of the shell, a semi-cylindrical opening is formed in the shell, an arc-shaped baffle plate positioned at the opening is arranged on the inner wall of the shell, a guide wire is arranged in the shell, one end of the guide wire is connected with a pushing and rotating mechanism, and the pushing and rotating mechanism is used for controlling the movement and rotation of the guide wire.
The technical scheme has the principle and the effect that when the target is fixed by puncture, the target is positioned by the ultrasonic probe, then the puncture part is used for puncture and entering the body of a patient, the shell is moved to the vicinity of the target, the pushing and rotating mechanism is started to push the guide wire to move, when the guide wire moves to the baffle plate, deflection occurs due to the blocking of the baffle plate, the guide wire is rotated by the pushing and rotating mechanism after moving to the outside of the shell, the front end of the guide wire faces the target, and finally the guide wire is used for puncture and entering the target, so that the puncture fixation of the target is realized. If the target is close to an important organ or tissue such as a blood vessel, one end of the guide wire moving out of the shell is tightly attached to one side of the target, so that the target is supported and fixed by means of the distal end of the guide wire, and then the target is punctured after moving for a certain distance, thereby effectively avoiding the condition of damaging the tissues around the target and improving the puncturing safety.
Further, push away and change the mechanism including connecting at casing one end and inside hollow sleeve, wear to be equipped with the push rod in the sleeve, the one end and the seal wire of push rod are connected, the other end symmetry of push rod is equipped with two fixed blocks, the cladding of push rod has the spring outward, the one end and the telescopic inner wall fixed connection of spring.
Furthermore, ratchet teeth are circumferentially equidistant on the inner wall of the sleeve, pawls matched with the ratchet teeth are detachably connected on the push rod, and an inlet and an outlet for the pawls to pass through are further formed in one side of the sleeve.
Through the arrangement, the guide wire can be pushed to slide by the push rod, the spring outside the push rod can realize automatic reset of the push rod, and the two fixing blocks symmetrically arranged at one end of the push rod can finish rotation of the guide wire by one finger in the puncturing process by a doctor, so that the operation is simple, after the push rod rotates, the situation that the finger of the doctor still needs to keep a fixed posture after the doctor rotates the push rod to a required angle by the cooperation of the ratchet wheel and the ratchet teeth is avoided, and the labor intensity of the doctor is reduced.
Furthermore, the number of the guide wires is three, the three guide wires are equidistantly distributed on the pushing and rotating mechanism, and the three guide wires are umbrella-shaped after extending out. By means of the umbrella shape formed by the unfolded guide wires, the target can be towed and fixed under the condition of not piercing the target, so that the target can be moved conveniently.
Furthermore, the baffle plate is also provided with a guide wire sliding guide rail. The sliding direction of the guide wire can be controlled by means of the guide rail, so that the guide wire can be moved and positioned more accurately.
Further, the guide wire is made of Ti-Ni memory alloy, and the front end of the guide wire is bent. The guide wires can be naturally bent after extending out, and the three guide wires can be enclosed to form an umbrella shape with basically the same shape within a long time, so that the stability of the scheme is enhanced.
Drawings
FIG. 1 is a front view of an ultrasound interventional puncture device for preventing off-target in accordance with the present invention;
FIG. 2 is a right side view of an ultrasound interventional puncture device for preventing off-target according to the present invention;
fig. 3 is a partially enlarged view at a in fig. 1.
Detailed Description
The invention is described in further detail below by way of specific embodiments:
The reference numerals in the drawings of the specification comprise a shell 1, a puncture part 2, a sliding rail 3, a baffle plate 4, a guide rail 5, a guide wire 6, a sleeve 7, a push rod 8, a fixed block 9, a spring 10, a ratchet 11 and a pawl 12.
The embodiment is basically as shown in figures 1 to 3, the ultrasonic intervention puncture device for preventing off-target comprises a cylindrical shell 1 with a hollow inside, a conical puncture part 2 is arranged at the left end of the shell 1, a semi-cylindrical opening is formed in the shell 1, the opening is close to the puncture part 2, a semi-cylindrical sliding rail 3 is adhered outside the shell 1 at the opening, an arc-shaped baffle 4 is connected in a sliding manner in the sliding rail 3, a guide rail 5 is adhered to the baffle 4, three guide wires 6 matched with the guide rail 5 are arranged in the shell 1, the guide wires 6 are made of Ti-Ni memory alloy, and the front ends of the guide wires are bent, so that the three guide wires 6 can be kept umbrella-shaped for a long time when extending out of the shell 1, the stability of the scheme is enhanced, and the three guide wires 6 are convenient to clamp and hold a target in the umbrella-shaped structure.
One end of the guide wire 6 is connected with a pushing and rotating mechanism, the pushing and rotating mechanism comprises a sleeve 7 which is connected to the right end of the shell 1 and hollow in the interior, the sleeve 7 is adhered to the shell 1, a cylindrical push rod 8 penetrates through the sleeve 7, the left side of the push rod 8 is slidingly connected to the inner wall of the shell 1, the left end of the push rod 8 is adhered to three guide wires 6 together, the right end of the push rod 8 is symmetrically adhered with two fixing blocks 9, the space between the two fixing blocks 9 can accommodate a single finger of a doctor, a spring 10 is coated outside the push rod 8, and the left end of the spring 10 is fixedly connected with the inner wall of the sleeve 7.
The right side inner wall of the sleeve 7 is circumferentially and equidistantly provided with a plurality of ratchets 11, the width of each ratchet 11 is one third of the length of the inner wall of the sleeve 7, and each ratchet 11 and the sleeve 7 are manufactured in an integrated mode, so that the strength of each ratchet 11 is improved, pawls 12 matched with each ratchet 11 are adhered to the push rod 8, the length of each pawl 12 is one half of the inner wall of the sleeve 7, the right side of the sleeve 7 is provided with an inlet and an outlet through which each pawl 12 passes, and the size of each inlet and the outlet is the same as that of the inner wall of the sleeve 7.
The working principle of the embodiment is that when the device is not used, the right end of the pawl 12 is flush with the right end of the ratchet 11, the pawl 12 is clamped on the ratchet 11, at the moment, the three guide wires 6 are positioned in the guide rail 5, and the spring 10 is not elastically deformed. When the puncture operation is carried out, firstly, an ultrasonic probe is used for detecting and positioning a target object, the puncture part 2 on the shell 1 is used for puncturing a positioning point, then the opening on the shell 1 is moved to the vicinity of the target object, at the moment, a doctor holds the sleeve 7 by one hand and places the thumb between two fixing blocks 9, and then pushes the push rod 8 to move forwards by means of the thumb, at the moment, the spring 10 is in a compressed state, the push rod 8 moves and drives the guide wire 6 to slide along the guide track 5, when the guide wire 6 moves to the arc-shaped area of the baffle plate 4, deflection occurs when the guide wire 6 slides out of the shell 1, a certain separation is applied to the two fixing blocks 9 by the thumb to realize the rotation of the push rod 8, so that the guide wire 6 and the baffle plate 4 are driven to rotate together by the push rod 8, the guide wire 6 is punctured into the target object from one side of the target object, thus realizing the puncture fixation of the target object, and after the push rod 8 rotates a certain angle, due to the cooperation of the pawl 12 and the ratchet 11, the situation that the push rod 8 rotates and resets under the restoring force of the spring 10 is avoided, and the constant steering force is not required to be provided for maintaining the push rod 8 to always to be positioned in the same direction, so that the operation stability is ensured, and the puncture operation is also safe and stable is ensured.
When the target to be punctured and fixed is close to important organs or tissues such as blood vessels, after the target is punctured and enters a patient by means of the puncture part 2 on the shell 1, then the opening of the shell 1 is moved to the vicinity of the target, the opening is positioned at one end of the target far away from the blood vessels, the guide wire 6 is driven to slide out of the shell 1 by pushing the push rod 8 by means of fingers, at the moment, the spring 10 is in a compressed state, after the guide wire 6 slides out of the shell 1, a certain component force is applied to the two fixed blocks 9 by means of the fingers to drive the push rod 8 to rotate, the guide wire 6 and the baffle 4 are driven to rotate after the push rod 8 rotates, and when the three guide wires 6 rotate to the middle part of one end of the target, the shell 1 is moved at the moment, the guide wire 6 is made to support the target, and the three guide wires 6 can firmly support the target due to the claw shape after the three guide wires 6 are unfolded, the target is moved a certain distance, then the puncture operation is carried out, the situation that surrounding tissues are damaged in the puncture process is effectively avoided, and the puncture safety is improved.
When the puncture is completed, the finger is slowly released, and the push rod 8 automatically resets under the action of the elastic force of the spring 10, and if the push rod 8 rotates in the puncture process, the push rod 8 needs to be continuously pressed during the resetting operation so as to separate the pawl 12 from the ratchet 11, and when the pawl 12 is separated from the ratchet 11, the finger is slowly reversely rotated so as to enable the finger to be in the initial direction, and the push rod 8 resets under the action of the elastic force of the spring 10.
The foregoing is merely exemplary of the present application and the details of construction and/or the general knowledge of the structures and/or characteristics of the present application as it is known in the art will not be described in any detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (3)
1. The ultrasonic intervention puncture device for preventing off-target is characterized by comprising a cylindrical shell with a hollow inside, wherein one end of the shell is provided with a puncture part, a semi-cylindrical opening is formed in the shell, an arc-shaped baffle plate positioned at the opening is arranged on the inner wall of the shell, a guide wire is arranged in the shell, one end of the guide wire is connected with a pushing and rotating mechanism, and the pushing and rotating mechanism is used for controlling the guide wire to move and rotate;
the pushing and rotating mechanism comprises a sleeve which is connected to one end of the shell and hollow in the interior, a push rod is arranged in the sleeve in a penetrating manner, one end of the push rod is connected with the guide wire, two fixing blocks are symmetrically arranged at the other end of the push rod, a spring is coated outside the push rod, and one end of the spring is fixedly connected with the inner wall of the sleeve;
Ratchet teeth are circumferentially equidistant on the inner wall of the sleeve, a pawl matched with the ratchet teeth is detachably connected to the push rod, and an inlet and an outlet for the pawl to pass through are further formed in one side of the sleeve;
The number of the guide wires is three, the three guide wires are equidistantly distributed on the pushing and rotating mechanism, and the three guide wires are umbrella-shaped after extending out.
2. The ultrasonic interventional puncture device for preventing off-target according to claim 1, wherein the baffle plate is further provided with a guide wire sliding guide rail.
3. An ultrasound interventional puncture device for preventing off-target according to claim 1 or 2, wherein the guide wire is made of Ti-Ni memory alloy and the front end of the guide wire is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399656.4A CN110974370B (en) | 2019-12-30 | 2019-12-30 | Ultrasonic intervention puncture device capable of preventing off-target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399656.4A CN110974370B (en) | 2019-12-30 | 2019-12-30 | Ultrasonic intervention puncture device capable of preventing off-target |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110974370A CN110974370A (en) | 2020-04-10 |
| CN110974370B true CN110974370B (en) | 2024-11-29 |
Family
ID=70079163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911399656.4A Active CN110974370B (en) | 2019-12-30 | 2019-12-30 | Ultrasonic intervention puncture device capable of preventing off-target |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110974370B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112472248B (en) * | 2020-12-14 | 2021-10-26 | 高维仁 | Interventional puncture device |
| CN113558730B (en) * | 2021-07-19 | 2023-02-07 | 吉林大学 | An auxiliary device for neurovascular interventional surgery |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211674471U (en) * | 2019-12-30 | 2020-10-16 | 首都医科大学附属北京妇产医院 | Ultrasonic intervention puncture device capable of preventing miss |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6197001B1 (en) * | 1996-09-27 | 2001-03-06 | Becton Dickinson And Company | Vascular access device |
| US6939318B2 (en) * | 2002-05-03 | 2005-09-06 | Boston Scientific Scimed, Inc. | Method, tool, and system for deploying an implant into the body |
| CN102440809B (en) * | 2010-09-30 | 2013-04-17 | 周沂林 | Occluder intervention conveying device |
| CN203208094U (en) * | 2013-04-11 | 2013-09-25 | 邓晓俊 | Puncture outfit |
| CN204158463U (en) * | 2014-09-17 | 2015-02-18 | 杭州市第一人民医院 | Puncture drainage needle and puncture drainage external member |
| CN106983533A (en) * | 2017-05-10 | 2017-07-28 | 陈永兵 | The puncture needle and first-aid system of the live hemostasis of abdominal cavity substantial viscera rupture |
| CN208130032U (en) * | 2017-10-18 | 2018-11-23 | 汤佳馨 | A kind of Ultrasound-guided Biopsy drawing liquid needle set of more room separation type pleural effusions |
| CN208710018U (en) * | 2018-03-25 | 2019-04-09 | 新疆医科大学附属肿瘤医院 | It is a kind of for the guide locating device provided of breast puncture |
| CN108451636A (en) * | 2018-04-09 | 2018-08-28 | 上海三埃弗电子有限公司 | A kind of detachable multifunctional ablation puncture needle |
-
2019
- 2019-12-30 CN CN201911399656.4A patent/CN110974370B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211674471U (en) * | 2019-12-30 | 2020-10-16 | 首都医科大学附属北京妇产医院 | Ultrasonic intervention puncture device capable of preventing miss |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110974370A (en) | 2020-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11992183B2 (en) | Shaft actuating handle | |
| JP6122778B2 (en) | Endoscopic ultrasonic fine needle suction device | |
| US11051800B2 (en) | Endoscopic suturing system having external instrument channel | |
| KR102345946B1 (en) | Apparatus and method for tissue retraction | |
| JP2011083606A (en) | Catheter sheath introducer with rotational lock | |
| JPS6125377B2 (en) | ||
| JP2017515620A (en) | Biopsy device, system and method of use thereof | |
| JP2013042921A (en) | Cardiac stimulator system | |
| JP2012527986A (en) | Biopsy device needle set | |
| JP6444031B2 (en) | Apparatus for recovering material from a tubular structure | |
| CN110974370B (en) | Ultrasonic intervention puncture device capable of preventing off-target | |
| JPH0331449B2 (en) | ||
| JP7068165B2 (en) | Operable medical equipment | |
| US11369399B2 (en) | Device for aiding in the positioning and anchoring of an endoscope during gastrointestinal procedures | |
| US20210196251A1 (en) | Medical instrument with shaft actuating handle configured to accept stylet | |
| JP2020096858A (en) | Handle for medical device | |
| US20140114255A1 (en) | Self-coiling stylet needle device | |
| WO2013161764A1 (en) | Operation member | |
| US20080071297A1 (en) | Device For Inserting At Least One Anchor Piece Into A Hollow Space Of A Living Being | |
| CN107510482A (en) | Disposable tissue retraction folder | |
| US20220322916A1 (en) | Device for Aiding in the Positioning and Anchoring of an Endoscope During Gastrointestinal Procedures | |
| CN211674471U (en) | Ultrasonic intervention puncture device capable of preventing miss | |
| EP2863815B1 (en) | Access port | |
| EP3689255B1 (en) | Recoverable percutaneous anchor | |
| CN110731801A (en) | suction biopsy needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |