CN113907819A - Puncture awl with push pin structure - Google Patents
Puncture awl with push pin structure Download PDFInfo
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- CN113907819A CN113907819A CN202111344056.5A CN202111344056A CN113907819A CN 113907819 A CN113907819 A CN 113907819A CN 202111344056 A CN202111344056 A CN 202111344056A CN 113907819 A CN113907819 A CN 113907819A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0493—Protective devices for suturing, i.e. for protecting the patient's organs or the operator
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
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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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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a puncture cone with a push needle structure, and relates to the technical field of medical instruments. The invention discloses a puncture cone with a push needle structure, which comprises a handle, a puncture shell cover, a flank locking block, a puncture tube, a push-pull rod, a guide connecting block, a flank, a puncture cone body, a push-wire rod, a fixed shaft, a puncture shell and a rivet; the puncture tube is arranged at the lower end of the puncture shell and is fixedly arranged through the check ring, the side wing locking block is arranged in the puncture shell, the push-pull rod is arranged in the puncture tube, and the push-pull rod is arranged in the push-pull rod; the lower end of the handle penetrates through the puncture shell cover and the flank locking block to be connected with the push-pull rod, and the upper end of the push-pull rod is connected with the flank locking block through the fixed shaft. The puncture awl of the invention can pre-arrange the suture on the puncture awl and penetrate fascia at two sides of the incision, thereby not only having simple and convenient operation and shortening the operation time, but also ensuring the effectiveness of the suture.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a puncture cone with a push needle structure, which is used for establishing a channel and suturing an incision in a minimally invasive laparoscopic surgery.
Background
The laparoscopic surgery has the advantages of small wound, small physiological interference to patients, good beautifying effect, light pain, quick recovery and the like, gradually replaces the traditional surgery, and is widely applied to general surgery, gynecology and cardiothoracic surgery. The celioscope operation needs to open a hole on the abdomen of a patient, the operation is carried out under the view of the celioscope, fascia suture is needed after the operation, and the fascia suture is difficult to suture due to the characteristics of small incision, deep inner wall and the like. The existing solution is manual suture and fascia suture device suture, the manual suture is suitable for a patient with a thin body, and for an obese patient, abdominal wall tissues are thick and cannot meet the requirement of accurate and effective suture of a puncture incision, so that a series of complications such as bleeding, infection, puncture hernia, injury and the like are caused. The fascia stitching instrument can stitch fascia of an obese patient, but the puncture instrument needs to be pulled out first and then the fascia stitching instrument is operated, so that the operation is complex, the operation time is long, and the risk of infection of the patient is increased.
To solve the above problems, CN 108158635 a discloses a laparoscopic puncture suturing device, which arranges sutures on both sides of an incision in advance, and after the operation is finished, tightens and ties the sutures to complete the suturing. However, in view of the device, the tapered portion of the device is divided into two parts, which are likely to be displaced during puncturing and affect the puncturing performance, and the both sides of the puncturing cannula are grooved to damage the tissue during puncturing.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a puncture awl with a push needle structure.
The invention discloses a puncture cone with a push needle structure, which is characterized in that: comprises a handle, a puncture shell cover, a flank locking block, a puncture tube, a push-pull rod, a guide connecting block, a flank, a puncture cone, a push-wire rod, a fixed shaft, a puncture shell and a rivet; the puncture tube is arranged at the lower end of the puncture shell and is fixed through a retainer ring, the side wing locking block is arranged in the puncture shell, the push-pull rod is arranged in the puncture tube, and the push-pull rod is arranged in the push-pull rod; the lower extreme of handle passes puncture shell lid, flank locking piece with push away the line rod and connect, the upper end of push-and-pull rod passes through the fixed axle with the flank locking piece is connected, the flank is two, and the upper end of flank is fixed through the round pin axle puncture cone's upper portion, and the both sides of puncture cone are provided with and hold the breach portion of flank, the direction connecting block sets up the lower extreme of puncture pipe, and the upper portion of puncture cone with the cooperation of direction connecting block and through the rivet will puncture cone and direction connecting block with the lower extreme fixed connection of puncture pipe.
The wire pushing rod comprises a wire pushing rod body, a wire pushing rod connecting section is arranged at the upper end of the wire pushing rod body, a plane and an arc surface are arranged on the outer surface of the wire pushing rod connecting section along the length direction of the wire pushing rod connecting section, a connecting groove is formed in the upper end of the wire pushing rod connecting section, a central hole for accommodating the wire pushing rod is formed in the wire pushing rod body and the wire pushing rod connecting section, and the wire pushing rod body is provided with a crossed push pin structure.
The puncture needle comprises a puncture shell cover, a puncture shell, a handle rod body, a side wing locking block, a long groove, a connecting groove and a wire pushing rod, wherein the handle rod body is arranged below the handle, the long groove for avoiding the fixed shaft is arranged on the outer surface of the handle rod body, and the handle rod body extends into the bottoms of the puncture shell cover, the side wing locking block and the puncture shell and is matched with the connecting groove in the upper end of the wire pushing rod.
The guide connecting block comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are buckled through a Z-shaped clamping groove and a clamping block, and a guide inclined block is formed at the upper ends of the first connecting block and the second connecting block.
The guide oblique block enables the crossed push pin structure to be located in the puncture tube in an initial state, and the crossed push pin structure can be opened in an angle when the guide oblique block is pushed forwards, so that the fascia puncture position of the crossed push pin structure is 8-15mm away from the wound edge.
The push-pull rod comprises a push-pull rod body, a push-pull rod connecting end is arranged at the upper end of the push-pull rod body, a first shaft hole and a second shaft hole are sequentially formed in the push-pull rod connecting end from top to bottom, a first avoidance ring body and a second avoidance ring body are sequentially arranged at the lower end of the push-pull rod from top to bottom, a push plate is arranged at the lower end of the second avoidance ring body, and convex columns are arranged on two sides of the push plate; the normal direction of the plane where the first avoidance ring body is located and the normal direction of the plane where the second avoidance ring body is located are perpendicular to each other.
The safety puncture device comprises a puncture shell, a lateral wing locking block, a fixed shaft, a push-pull rod and a connecting pin, wherein the connecting end of the push-pull rod is arranged in the middle of the lateral wing locking block, the fixed shaft penetrates through the lateral wing locking block and second shaft holes in the connecting end to connect the upper end of the push-pull rod with the middle of the lateral wing locking block, buttons are arranged at two ends of the fixed shaft, a small pressure spring is arranged between each button and the puncture shell, a blocking piece is further arranged in the puncture shell, and the blocking piece is connected with a first shaft hole in the connecting end through the connecting pin and is arranged above the lateral wing locking block.
The crossed push pin structure is characterized by further comprising a long pressure spring, the long pressure spring is sleeved on the crossed push pin structure, and the long pressure spring is located between the lower end of the push pin rod body and the first avoidance ring body.
The crossed push pin structure penetrates through the first avoidance ring body, the rivet penetrates through the second avoidance ring body to fixedly connect the puncture cone and the guide connecting block with the lower end of the puncture tube.
The side wing comprises a side wing transmission part and a silica gel block, an arc chute is arranged on the side wing transmission part, and the side wing transmission part is connected with the puncture cone through a groove shaft arranged on the arc chute.
Compared with the prior art, the puncture cone with the push needle structure has the following beneficial effects:
the puncture awl can pre-arrange the suture on the puncture awl and penetrate into fascia on two sides of the incision, can pull the suture on the two sides of the incision out of the sleeve to be pre-knotted, does not influence the operation in the operation, is beneficial to shortening the operation time, and can ensure the effectiveness of the suture.
Drawings
Fig. 1 is a schematic sectional view of a puncture cone in the puncture cone with a push pin structure of example 1.
Fig. 2 is an exploded view of a puncture cone in the puncture cone with a push pin structure of example 1.
Fig. 3 is a schematic structural view of a push-pull rod in the structure with a push pin according to embodiment 1.
Fig. 4 is a schematic structural view of a push wire rod in the structure with a push pin of embodiment 1.
Fig. 5 is a sectional structure view of a push pin crossing ramp expanding mechanism in the puncture cone of embodiment 1.
Fig. 6 is a schematic structural view of a push-pull rotary joint mechanism in the puncture cone of embodiment 1.
Fig. 7 is a sectional structure view of the connection part of the handle and the wire pushing rod in the push-pull rotary connection mechanism.
Fig. 8 is a schematic view of the pushing state structure of the pushing needle crossing oblique block spreading mechanism.
FIG. 9 is a schematic sectional view showing a connection structure of the puncture tube and the puncture cone head in example 1.
FIG. 10 is a combined configuration of the puncture cone and puncture cannula of example 1.
Detailed Description
The present invention will be further described with reference to specific embodiments, so as to help those skilled in the art to more fully, accurately and deeply understand the technical solution of the present invention.
Example 1
As shown in fig. 1 to 9, the puncture cone with a push-needle structure of the present embodiment includes a handle 1, a puncture housing cover 2, a wing locking block 4, a button 6, a puncture tube 7, a push-pull rod 8, a guide connecting block 9, a wing 10, a puncture cone 11, a push-wire rod 12, a long compression spring 13, a retainer ring 14, a fixed shaft 15, a puncture housing 16, and a rivet 17. The puncture tube 7 is provided at the lower end of the puncture housing 16 and is fixed by a retainer ring 14. The wing locking block 4 is arranged in a puncture shell 16, the push-pull rod 12 is arranged in the puncture tube 7, and the push-pull rod 8 is arranged in the push-pull rod 12. The lower end of the handle 1 penetrates through the puncture housing cover 2 and the flank locking block 4 to be connected with the wire pushing rod 12, and the upper end of the wire pushing rod 8 is connected with the flank locking block 4 through the fixing shaft 15. The number of the side wings 10 is two, the upper ends of the side wings 10 are fixed on the upper part of the puncture cone 11 through pin shafts, and the two sides of the puncture cone 11 are provided with notch parts for accommodating the side wings 10. As shown in fig. 9, the guide connection block 9 is disposed at the lower end of the puncture tube 7, and the upper portion of the puncture cone 11 is engaged with the guide connection block 9 and the rivet 17 fixedly connects the puncture cone 11 and the guide connection block 9 with the lower end of the puncture tube 7.
As shown in fig. 4, the wire pushing rod 12 includes a wire pushing rod body 1205, a wire pushing rod connection section is disposed at an upper end of the wire pushing rod body 1205, a plane 1201 and an arc surface 1202 are disposed on an outer surface of the wire pushing rod connection section along a length direction of the wire pushing rod connection section, a connection groove 1203 is disposed at an upper end of the wire pushing rod connection section, a central hole 1204 for accommodating the wire pushing rod 8 is disposed in the wire pushing rod body 1205 and the wire pushing rod connection section, and a cross push pin structure 1206 is disposed on the wire pushing rod body 1205.
As shown in fig. 3, the push-pull rod 8 includes a push-pull rod body 801, the upper end of the push-pull rod body 801 is provided with a push-pull rod connecting end 802, the push-pull rod connecting end 802 is sequentially provided with a first shaft hole 808 and a second shaft hole 803 from top to bottom, the lower end of the push-pull rod 8 is sequentially provided with a first avoiding ring body 804 and a second avoiding ring body 805 from top to bottom, the lower end of the second avoiding ring body 805 is provided with a push plate 806, and two sides of the push plate 806 are provided with convex columns 807. The normal direction of the plane where the first avoidance ring body 804 is located is perpendicular to the normal direction of the plane where the second avoidance ring body 805 is located.
In this embodiment, the flank 10 includes a flank transmission part and a silica gel block, an arc chute is provided on the flank transmission part, and the flank transmission part is installed with the puncture cone 11 through a groove shaft provided on the arc chute. The push-pull rod 8, the side wings 10 and the puncture cone 11 form a push-pull unfolding mechanism, the push-pull rod 8 is pushed or pulled back downwards, the convex columns 807 on the push plate 806 enable the silica gel blocks (the opened parts) to be opened or closed, the suture line is locked, and the side wing transmission part ensures the realization of movement. In the puncture cone of the present embodiment, the side wings are combined with the puncture, and the shape of the side wings is changed in accordance with the curvature of the puncture cone, so that the blade portion of the puncture cone is retained without affecting the puncture performance.
As shown in fig. 8, in this embodiment, the cross-shaped pushing pin structure 1206 is disposed through the first avoiding ring body 804, and the rivet 17 passes through the second avoiding ring body 805 to fixedly connect the puncture cone 11 and the guide connecting block 9 with the lower end of the puncture tube 7.
In this embodiment, the long pressure spring 13 is sleeved on the cross push pin structure 1206, and the long pressure spring 13 is located between the lower end of the push rod body 1205 and the first avoidance ring body 804.
In this embodiment, the push-pull rod connection end 802 is disposed at the middle of the wing lock block 4, and the fixed shaft 15 passes through the wing lock block 4 and the second shaft hole 803 of the connection end 802 to connect the upper end of the push-pull rod 8 with the middle of the wing lock block 4. Buttons 6 are provided at both ends of the fixed shaft 15, and a small compression spring 5 is provided between the buttons 6 and the puncture housing 16. A baffle 3 is also disposed in the puncture housing 16, and the baffle 3 is connected to the first axial hole 808 of the connecting end 802 through a connecting pin, so that the baffle 3 is disposed above the wing locking block 4 and is engaged with the handle 1. In the puncture cone of the present embodiment, the wing locking block 4 not only serves to connect the push-pull rod 8, but also to connect the push button 6 and provide a passage for the handle 1, which makes the push-pull rod 8 more stable in movement. The puncture housing cover 2 and the puncture housing 3 cooperate to form a closed housing structure. The puncture shell cover 2, the puncture shell 16, the button 4, the fixed shaft 15, the small pressure spring 5 and the flank locking block 7 form a push-pull locking mechanism, when the button is pressed down, a stop block on the button retracts, so that the button, the flank locking block and the push-pull rod can slide up and down, and when the button is released, the stop block of the button is rebounded and locked by virtue of the small pressure spring; the fixed shaft (made of a metal rod) connects the button, the wing locking block 7 and the push-pull rod 8 together, so that the stability is improved, and the locking is firmer.
In this embodiment, as shown in fig. 8 to 9, the guide connection block includes a first connection block and a second connection block, the first connection block and the second connection block are fastened by a Z-shaped fastening slot and a fastening block, and a guide sloping block 901 is formed at the upper end of the first connection block and the second connection block, the guide sloping block 901 enables the cross push pin structure 1206 to be located in the puncture tube in an initial state, and the cross push pin structure 1206 can be inserted into the silica gel block of the flank 10 at an angle that is opened when pushed forward without being fastened (by designing the cross angle of the cross push pin structure, the position where the push pin punctures the fascia is 8 to 15mm away from the wound edge).
As shown in fig. 6-7, in the present embodiment, a handle bar body 105 is disposed below the handle 1, and a long groove 106 is disposed on an outer surface of the handle bar body 105 to avoid the fixed shaft 15. The handle rod body 105 extends into the bottom of the puncture housing cover 2, the baffle 3, the side wing locking block 7 and the puncture housing 16 to be matched with the connecting groove 1203 at the upper end of the wire pushing rod 12.
As shown in fig. 10, the puncture awl 100 with a needle pushing structure is assembled with a puncture cannula 20 (a well-known puncture cannula can be used), the handle 1 is pulled out and then rotated, the handle 1 is connected and locked with the wire pushing rod 12 under the action of the mechanism, the handle 1 is pushed out for a certain distance, the front end of the crossed needle pushing structure 1206 in the wire pushing rod 12 is exposed out of the puncture cannula, a medical suture with a corresponding specification is arranged on a suture needle at the front end of the crossed needle pushing structure 1206 according to requirements, the handle 1 is pulled out again to enable the wire pushing rod 12 to return to an initial position, the handle 1 is reset, and the preassembly of the medical suture is completed. The palm center is arranged at the position of the handle 1, the two fingers respectively hold the lower shell of the puncture sleeve to perform rotary slow puncture, the sleeve is perpendicular to the abdominal wall (attention can not be exerted too much) during puncture, the puncture stops when reaching a specified position, and the front end of the puncture cone 11 forms a wing-shaped structure, so that the left and right rotation is performed during puncture, tissues can be separated, and the damage degree to the tissues is reduced. The button 4 is pressed and pushed downwards, the side wing 10 is unfolded and locked under the action of the push-pull rod 8, the puncture cannula is lifted upwards, the side wing 10 abuts against the fascia, the handle 1 is lifted upwards and rotated to be locked, the handle 1 is pushed downwards to push out the suture to penetrate the fascia, the suture enters the silica gel block of the side wing 10 and exceeds a certain distance, the puncture cannula is slowly pulled out to observe whether the suture is clamped on the silica gel block or not, then the suture is completely withdrawn, the handle 1 is pulled to the bottom, the rotary handle 1 is pushed downwards to return to the initial position, the button 4 is pressed to pull back the push-pull rod 8 to close the side wing 10, then the puncture cannula is integrally pushed into the abdominal cavity, the puncture cannula forms an inclined angle with the abdominal wall during puncture (the puncture is too large to pay attention to the exertion, the puncture cannula can not damage viscera by a puncture needle at the same time), after the puncture cannula is penetrated, the puncture cone is pulled out of the puncture cannula as a surgical operation channel, the puncture cannula is withdrawn after the operation is finished, the suture knot is pulled out of the abdominal cavity, cut open and knotted again to complete the closure of the fascia.
It is obvious to those skilled in the art that the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial modifications made by the method concept and technical scheme of the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a puncture awl with push pin structure which characterized in that: comprises a handle, a puncture shell cover, a flank locking block, a puncture tube, a push-pull rod, a guide connecting block, a flank, a puncture cone, a push-wire rod, a fixed shaft, a puncture shell and a rivet; the puncture tube is arranged at the lower end of the puncture shell and is fixed through a retainer ring, the side wing locking block is arranged in the puncture shell, the push-pull rod is arranged in the puncture tube, and the push-pull rod is arranged in the push-pull rod; the lower end of the handle penetrates through the puncture shell cover and the flank locking block to be connected with the push-pull rod, and the upper end of the push-pull rod is connected with the flank locking block through the fixed shaft; the side wings are two, the upper ends of the side wings are fixed to the upper portion of the puncture cone through pin shafts, the two sides of the puncture cone are provided with notch portions for accommodating the side wings, the guide connecting block is arranged at the lower end of the puncture tube, the upper portion of the puncture cone is matched with the guide connecting block, and the puncture cone and the guide connecting block are fixedly connected with the lower end of the puncture tube through the rivets.
2. The puncture cone with the push-pin structure as claimed in claim 1, wherein: the wire pushing rod comprises a wire pushing rod body, a wire pushing rod connecting section is arranged at the upper end of the wire pushing rod body, a plane and an arc surface are arranged on the outer surface of the wire pushing rod connecting section along the length direction of the wire pushing rod connecting section, a connecting groove is formed in the upper end of the wire pushing rod connecting section, a central hole for accommodating the wire pushing rod is formed in the wire pushing rod body and the wire pushing rod connecting section, and a crossed push needle structure is arranged on the wire pushing rod body.
3. The puncture cone with the push-pin structure as claimed in claim 2, wherein: the handle is characterized in that a handle rod body is arranged below the handle, a long groove for avoiding the fixed shaft is formed in the outer surface of the handle rod body, and the handle rod body extends into the bottom of the puncture shell cover, the side wing locking block and the puncture shell to be matched with a connecting groove in the upper end of the wire pushing rod.
4. The puncture cone with the push-pin structure as claimed in claim 2, wherein: the guide connecting block comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are buckled through a Z-shaped clamping groove and a clamping block, and a guide inclined block is formed at the upper ends of the first connecting block and the second connecting block.
5. The puncture cone with the push-pin structure as claimed in claim 4, wherein: the guide oblique block enables the crossed push pin structure to be located in the puncture tube in an initial state, and the crossed push pin structure can be opened in an angle when the crossed push pin structure is pushed forwards, so that the fascia puncture position of the crossed push pin structure is 8-15mm away from the wound edge.
6. The puncture cone with the push-pin structure as claimed in claim 2, wherein: the push-pull rod comprises a push-pull rod body, a push-pull rod connecting end is arranged at the upper end of the push-pull rod body, a first shaft hole and a second shaft hole are sequentially formed in the push-pull rod connecting end from top to bottom, a first avoidance ring body and a second avoidance ring body are sequentially arranged at the lower end of the push-pull rod from top to bottom, a push plate is arranged at the lower end of the second avoidance ring body, and convex columns are arranged on two sides of the push plate; the normal direction of the plane where the first avoidance ring body is located and the normal direction of the plane where the second avoidance ring body is located are perpendicular to each other.
7. The puncture cone with the push-pin structure as claimed in claim 6, wherein: the safety puncture device is characterized in that the connecting end of the push-pull rod is arranged in the middle of the side wing locking block, the fixed shaft penetrates through the side wing locking block and second shaft holes in the connecting end to connect the upper end of the push-pull rod with the middle of the side wing locking block, buttons are arranged at two ends of the fixed shaft, a small pressure spring is arranged between each button and the puncture shell, a blocking piece is further arranged in the puncture shell, and the blocking piece is connected with a first shaft hole in the connecting end through a connecting pin to enable the blocking piece to be arranged above the side wing locking block.
8. The puncture cone with the push-pin structure as claimed in claim 6, wherein: the puncture awl further comprises a long pressure spring, the long pressure spring is sleeved on the crossed push pin structure, and the long pressure spring is located between the lower end of the wire pushing rod body and the first avoidance ring body.
9. The puncture cone with the push-pin structure as claimed in claim 6, wherein: the crossed push pin structure penetrates through the first avoidance ring body, and the rivet penetrates through the second avoidance ring body to fixedly connect the puncture cone and the guide connecting block with the lower end of the puncture tube.
10. The puncture cone with the push-pin structure as claimed in claim 1, wherein: the flank includes flank transmission portion and silica gel piece, be provided with the circular arc spout in the flank transmission portion, flank transmission portion is in through setting up grooved shaft on the circular arc spout with the puncture cone is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111344056.5A CN113907819B (en) | 2021-11-15 | 2021-11-15 | Puncture cone with push pin structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111344056.5A CN113907819B (en) | 2021-11-15 | 2021-11-15 | Puncture cone with push pin structure |
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| Publication Number | Publication Date |
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| CN113907819A true CN113907819A (en) | 2022-01-11 |
| CN113907819B CN113907819B (en) | 2023-06-23 |
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| CN211723354U (en) * | 2019-07-09 | 2020-10-23 | 北京天助畅运医疗技术股份有限公司 | Puncture awl subassembly |
| CN113520542A (en) * | 2021-06-24 | 2021-10-22 | 浙江优亿医疗器械股份有限公司 | Laparoscope puncture outfit with fascia closing function |
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2021
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|---|---|---|---|---|
| US20140163323A1 (en) * | 2011-02-16 | 2014-06-12 | Reza Mohajer-Shojaee | Laparoscopic cannula with suturing capability |
| CN105848591A (en) * | 2013-12-09 | 2016-08-10 | 泰利福医疗公司 | Laparoscopic fascial closure system |
| US20170245846A1 (en) * | 2014-11-21 | 2017-08-31 | Ki Seong KIM | Laparoscopic port site closure device |
| CN209122323U (en) * | 2018-05-23 | 2019-07-19 | 中加百康(福建)医疗器械有限责任公司 | A kind of minimally invasive fascia closer |
| CN110251175A (en) * | 2019-07-09 | 2019-09-20 | 北京天助畅运医疗技术股份有限公司 | A kind of laparoscope puncture stitching unstrument |
| CN211723354U (en) * | 2019-07-09 | 2020-10-23 | 北京天助畅运医疗技术股份有限公司 | Puncture awl subassembly |
| CN113520542A (en) * | 2021-06-24 | 2021-10-22 | 浙江优亿医疗器械股份有限公司 | Laparoscope puncture outfit with fascia closing function |
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| CN113907819B (en) | 2023-06-23 |
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