CN217244690U - Fixed draw-off gear of syringe appearance tissue puncture - Google Patents

Fixed draw-off gear of syringe appearance tissue puncture Download PDF

Info

Publication number
CN217244690U
CN217244690U CN202220145030.1U CN202220145030U CN217244690U CN 217244690 U CN217244690 U CN 217244690U CN 202220145030 U CN202220145030 U CN 202220145030U CN 217244690 U CN217244690 U CN 217244690U
Authority
CN
China
Prior art keywords
needle
syringe
handle shell
section
puncture
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
Application number
CN202220145030.1U
Other languages
Chinese (zh)
Inventor
杨丰硕
庞杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202220145030.1U priority Critical patent/CN217244690U/en
Application granted granted Critical
Publication of CN217244690U publication Critical patent/CN217244690U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a syringe sample tissue puncture fixing traction device, which comprises a handle shell, a core bar which is adapted in the handle shell and can be pushed and pulled along the axial direction of the handle shell, and a needle-shaped puncture fixer connected with the front end of the handle shell; the needle-shaped puncture fixer comprises a needle tube section connected to the front end of the handle shell, a bent section connected to the front end of the needle tube section, a traction wire used for controlling the bent section to be bent, and a needle point connected to the front end of the bent section, wherein the core rod is connected with the traction wire so as to control the bent section to be bent by pulling the traction wire through the core rod. The utility model discloses make things convenient for the operator to puncture, fix, tractive to the difficult tissue, strip cable, the organ of seeking to.

Description

Fixed draw-off gear of syringe appearance tissue puncture
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to fixed tractive device of syringe appearance tissue puncture.
Background
In the existing medical operation, particularly for the dissection and fixation of fibrous cord tissues (such as vas deferens, ureters, larger vessels, nerves and the like) which are difficult to detect in vivo, manual gradual treatment is needed, the time is long, the tissues are adhered, the detection is difficult, the further operation is inconvenient, the tissue fixation is not firm, the escape is easy, the visual field is bleeding, and the further operation is influenced.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a fixed tractive device of syringe appearance tissue puncture to make things convenient for the operator to puncture, fix, tractive to the difficult tissue, strip cable, the organ of looking for and visiting.
The utility model provides a syringe sample tissue puncture fixing traction device, which comprises a handle shell, a core bar which is adapted in the handle shell and can be pushed and pulled along the axial direction of the handle shell, and a needle-shaped puncture fixer connected with the front end of the handle shell;
the needle-shaped puncture fixer comprises a needle tube section connected to the front end of the handle shell, a bending section connected to the front end of the needle tube section, a traction wire used for controlling the bending of the bending section and a needle point connected to the front end of the bending section, and the core rod is connected with the traction wire so as to control the bending of the bending section by pulling the traction wire through the core rod.
Furthermore, the bending section comprises a plurality of bone sections which are sequentially hinged, traction channels are symmetrically arranged on two sides of a hinged shaft in each bone section, a steering shaft is arranged in each needle tube section, one end of each traction wire penetrates through one traction channel and is fixed at the rear end of the needle point, and the other end of each traction wire bypasses the steering shaft, penetrates through the other traction channel and is fixed at the rear end of the needle point;
the front end of the core rod is provided with a push-pull rod, and the push-pull rod penetrates out of the front end of the handle shell, is inserted into the needle tube section and is fixed with the traction wire on one side of the steering shaft.
Furthermore, an injection cavity is arranged inside the core rod, the push-pull rod is a pipe fitting, two ends of the pipe fitting are respectively communicated with the injection cavity and the needle tube section, a drug delivery channel is arranged in the bending section, a drug delivery hose penetrates through the drug delivery channel, and two ends of the drug delivery hose are respectively communicated with the needle tube section and the needle point.
Furthermore, the rear end of the core rod is provided with a standard joint externally connected with the administration tube.
Furthermore, a through groove extending along the axial direction is formed in the side wall of the handle shell, and a sliding block which is fixed with the core bar and can slide along the through groove is arranged outside the handle shell.
Furthermore, a stud penetrating out of the through groove is arranged outside the core rod, and the sliding block is a knob sleeved outside the stud in a threaded manner.
Furthermore, the knob is externally provided with anti-skid lines.
Furthermore, a clamping hook is arranged on one side of the needle point.
Further, the traction wire is a steel wire.
Furthermore, the laparoscope puncture sheath further comprises an expanding sleeve, the outer diameter of the expanding sleeve is matched with the aperture of the laparoscope puncture sheath, and the expanding sleeve is sleeved at one end, close to the handle shell, outside the needle tube section.
The beneficial effects of the utility model are embodied in: the device accessible core bar pulling traction wire control crooked section, during the puncture, the crooked section of accessible core bar control needle puncture fixer straightens to in order to pierce the tissue, when fixed, tractive target tissue, the crooked section of accessible core bar control needle puncture fixer is crooked, in order to fix and the tractive target tissue, the back is accomplished in the operation, and the crooked section of rethread core bar control needle puncture fixer, in order to withdraw from the tissue. Therefore, the device can help an operator to perform operations such as puncture, fixation, target traction and the like more easily during dissection and fixation of fibrous cord tissues (such as vas deferens, ureters, larger vessels, nerves and the like) which are not easy to reach in vivo, is convenient for further separation, hemostasis, ligation and other treatments, can quickly find out the target tissues, is simple to operate, reduces unnecessary injury of a patient, reduces intraoperative hemorrhage, reduces anesthesia time and is beneficial to the recovery of the patient.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a perspective view of embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of embodiment 1 of the present invention;
fig. 3 is a sectional view of a needle puncture holder according to embodiment 1 of the present invention;
FIG. 4 is a sectional view of a curved section of the needle puncture holder according to embodiment 1 of the present invention;
fig. 5 is a perspective view of embodiment 2 of the present invention.
In the drawings, 100-handle housing; 110-through slots; 120-a slide block; 121-anti-skid lines; 200-core bar; 210-a push-pull rod; 220-an injection cavity; 230-standard joint; 240-stud; 300-needle puncture fixer; 310-a needle tube segment; 320-a bending section; 321-condyle; 322-a traction channel; 323-administration channel; 324-administration hose; 330-a traction wire; 340-a needle tip; 341-hook; 350-steering shaft; 400-expanding sleeve.
Detailed Description
Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Example 1
As shown in fig. 1 to 4, embodiment 1 of the present invention provides a syringe-like tissue puncture fixing and pulling device, which includes a handle housing 100, a core rod 200 fitted in the handle housing 100 and capable of being pushed and pulled along an axial direction of the handle housing 100, and a needle-like puncture fixing device 300 connected to a front end of the handle housing 100.
The needle puncture holder 300 includes a needle tube section 310 attached to the front end of the handle housing 100, a bending section 320 attached to the front end of the needle tube section 310, a traction wire 330 for controlling the bending of the bending section 320, and a needle tip 340 attached to the front end of the bending section 320, and the core bar 200 is connected to the traction wire 330 to pull the traction wire 330 through the core bar 200 to control the bending of the bending section 320, and the traction wire 330 is preferably a steel wire.
In a specific embodiment, referring to fig. 2 and 3, the bending section 320 includes a plurality of bone segments 321 hinged in sequence, traction channels 322 are symmetrically disposed in the bone segments 321 at both sides of the hinged axis thereof, a steering shaft 350 is disposed in the needle tube section 310, one end of the traction wire 330 passes through one traction channel 322 and is fixed to the rear end of the needle tip 340, and the other end of the traction wire 330 passes around the steering shaft 350, passes through the other traction channel 322 and is fixed to the rear end of the needle tip 340. The front end of the core rod 200 is provided with a push-pull rod 210, and the push-pull rod 210 penetrates out of the front end of the handle housing 100, is inserted into the needle tube section 310, and is fixed with a traction wire 330 at one side of a steering shaft 350.
The principle of the core rod 200 controlling the bending of the bend section 320 is described with particular reference to FIG. 3.
As shown in fig. 3, the rear end of the pull wire 330 goes around the steering shaft 350, the front end of the push-pull rod 210 is fixed to the upper pull wire 330, when the core rod 200 pushes the push-pull rod 210 to move forward, the push-pull rod 210 drives the lower pull wire 330 to contract backward, the upper pull wire 330 releases forward, so that the bending section 320 of the needle puncture fixator 300 bends downward, when the core rod 200 pushes the push-pull rod 210 to move backward, the push-pull rod 210 drives the upper pull wire 330 to contract backward, the lower pull wire 330 releases forward, so that the bending section 320 of the needle puncture fixator 300 bends upward.
In one embodiment, the handle housing 100 has a through slot 110 extending along the axial direction formed on a side wall thereof, and the handle housing 100 is externally provided with a slider 120 fixed to the core rod 200 and capable of sliding along the through slot 110, so that the core rod 200 can be driven to move relative to the handle housing 100 by pushing the slider 120, thereby controlling the bending section 320 of the needle puncture fixing device 300 to bend, and facilitating the operation.
Preferably, a stud 240 penetrating through the through groove 110 is arranged outside the core rod 200, the slider 120 is a knob sleeved outside the stud 240 in a threaded manner, and when the bending section 320 of the needle-shaped puncture fixer 300 is controlled to be bent for fixing and pulling, the knob can be screwed down to lock the core rod 200 and the handle housing 100, so as to prevent the bending section 320 from being straightened due to stress in the fixing and pulling processes. Preferably, the knob is externally provided with anti-slip threads 121 to play a role of anti-slip when the knob is twisted.
The device can control the bending section 320 to bend by pulling the traction wire 330 through the core bar 200, during puncturing, the bending section 320 of the needle puncture fixer 300 can be controlled by the core bar 200 to straighten so as to facilitate puncturing tissues, during fixing and dragging target tissues, the bending section 320 of the needle puncture fixer 300 can be controlled by the core bar 200 to bend so as to facilitate fixing and dragging the target tissues, after surgery is completed, the bending section 320 of the needle puncture fixer 300 can be controlled by the core bar 200 so as to facilitate withdrawing the tissues. Therefore, the device can help an operator to perform operations such as puncture, fixation, target traction and the like more easily during dissection and fixation of fibrous cord tissues (such as vas deferens, ureters, larger vessels, nerves and the like) which are not easy to reach in vivo, is convenient for further separation, hemostasis, ligation and other treatments, can quickly find out the target tissues, is simple to operate, reduces unnecessary injury of a patient, reduces intraoperative hemorrhage, reduces anesthesia time and is beneficial to the recovery of the patient.
As a further improvement of the above solution, as shown in fig. 2-4, an injection cavity 220 is formed inside the core rod 200, the push-pull rod 210 is a tube, two ends of the tube are respectively communicated with the injection cavity 220 and the needle tube section 310, a drug delivery channel 323 is formed in the bending section 320, a drug delivery hose 324 is inserted into the drug delivery channel 323, and two ends of the drug delivery hose 324 are respectively communicated with the needle tube section 310 and the needle tip 340, so that the injection of the drug to the operation site through the injection cavity 220 of the core rod 200 is facilitated.
In this embodiment, the rear end of the core rod 200 is provided with a standard connector 230 externally connected to the administration tube, and when injecting the drug, the standard connector 230 may be connected to the external administration tube to inject the drug through an external administration device. In other embodiments, the drug may be stored directly in the injection cavity 220 of the core rod 200 and the plunger rod may be attached to the injection cavity 220 to inject the drug directly through the injection cavity 220 to the surgical site.
In one embodiment, a hook 341 is further disposed on one side of the needle tip 340, and during the operation, the hook 341 can be used for hooking a thread, thereby facilitating operations such as ligation and suturing during the operation.
Example 2
As shown in fig. 5, the embodiment 2 of the present invention provides a syringe-like tissue puncture fixing and pulling device, and the difference between the embodiment 2 and the embodiment 1 is that the present embodiment further includes an expanding sleeve 400, the outer diameter of the expanding sleeve 400 is suitable for the aperture of the laparoscopic puncture sheath, the expanding sleeve 400 is sleeved at one end of the needle tube section 310 close to the handle housing 100, and the expanding sleeve 400 and the needle tube section 310 can be fixed in a threaded connection manner, so as to be conveniently disassembled and assembled.
The puncture fixing and pulling device in the embodiment can be used for puncture pulling and pulling in laparoscopic surgery, in order to meet the needs of the surgery, the needle tube section 310 needs to be lengthened, in the surgery, the needle tube section 310 penetrates into an abdominal cavity through a laparoscopic puncture sheath, however, the aperture of the laparoscopic puncture sheath is generally larger than the outer diameter of the needle tube section 310, in order to prevent air leakage between the needle tube section 310 and the laparoscopic puncture sheath, in the application, the diameter-expanding sleeve 400 can be sleeved on the needle tube section 310 during puncture, and the needle tube section 310 is combined with the laparoscopic puncture sheath through the diameter-expanding sleeve 400.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (10)

1. The utility model provides a fixed draw-off gear of syringe appearance tissue puncture which characterized in that:
comprises a handle shell, a core bar which is adapted in the handle shell and can be pushed and pulled along the axial direction of the handle shell, and a needle-shaped puncture fixer which is connected with the front end of the handle shell;
the needle-shaped puncture fixer comprises a needle tube section connected to the front end of the handle shell, a bending section connected to the front end of the needle tube section, a traction wire used for controlling the bending of the bending section and a needle point connected to the front end of the bending section, and the core rod is connected with the traction wire so as to control the bending of the bending section by pulling the traction wire through the core rod.
2. The syringe-like tissue penetration fixation pulling device according to claim 1, wherein: the bending section comprises a plurality of bone sections which are sequentially hinged, traction channels are symmetrically arranged on two sides of a hinged shaft in each bone section, a steering shaft is arranged in each needle tube section, one end of each traction wire penetrates through one traction channel and is fixed at the rear end of the needle point, and the other end of each traction wire bypasses the steering shaft, penetrates through the other traction channel and is fixed at the rear end of the needle point;
the front end of the core rod is provided with a push-pull rod, and the push-pull rod penetrates out of the front end of the handle shell, is inserted into the needle tube section and is fixed with the traction wire on one side of the steering shaft.
3. The syringe-like tissue penetration fixation pulling device according to claim 2, wherein: an injection cavity is formed in the core rod, the push-pull rod is a pipe fitting, two ends of the pipe fitting are respectively communicated with the injection cavity and the needle tube section, a drug delivery channel is formed in the bending section, a drug delivery hose penetrates through the drug delivery channel, and two ends of the drug delivery hose are respectively communicated with the needle tube section and the needle point.
4. The syringe-like tissue piercing fixation pulling device according to claim 3, characterized in that: the rear end of the core rod is provided with a standard joint externally connected with the administration tube.
5. The syringe-like tissue penetration fixation pulling device according to claim 1, wherein: the side wall of the handle shell is provided with a through groove extending along the axial direction, and a sliding block which is fixed with the core bar and can slide along the through groove is arranged outside the handle shell.
6. The syringe-like tissue piercing fixation pulling device according to claim 5, characterized in that: a stud penetrating through the through groove is arranged outside the core rod, and the sliding block is a knob sleeved outside the stud in a threaded manner.
7. The syringe-like tissue penetration fixation pulling device according to claim 6, wherein: and anti-skid grains are arranged outside the knob.
8. The syringe-like tissue penetration fixation pulling device according to claim 1, wherein: a hook is arranged on one side of the needle point.
9. The syringe-like tissue penetration fixation pulling device according to claim 1, wherein: the traction wire is a steel wire.
10. The syringe-like tissue penetration fixation pulling device according to any one of claims 1 to 9, wherein: the needle tube further comprises an expanding sleeve, the outer diameter of the expanding sleeve is matched with the aperture of the puncture sheath of the laparoscope, and the expanding sleeve is sleeved at one end, close to the handle shell, of the outside of the needle tube section.
CN202220145030.1U 2022-01-19 2022-01-19 Fixed draw-off gear of syringe appearance tissue puncture Active CN217244690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220145030.1U CN217244690U (en) 2022-01-19 2022-01-19 Fixed draw-off gear of syringe appearance tissue puncture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220145030.1U CN217244690U (en) 2022-01-19 2022-01-19 Fixed draw-off gear of syringe appearance tissue puncture

Publications (1)

Publication Number Publication Date
CN217244690U true CN217244690U (en) 2022-08-23

Family

ID=82897034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220145030.1U Active CN217244690U (en) 2022-01-19 2022-01-19 Fixed draw-off gear of syringe appearance tissue puncture

Country Status (1)

Country Link
CN (1) CN217244690U (en)

Similar Documents

Publication Publication Date Title
US6024747A (en) Device and method for suturing blood vessels and the like
US6663645B2 (en) Device for controlled endoscopic penetration of injection needle
US5997555A (en) Device and method for suturing blood vessels
US6077276A (en) Device and method for suturing blood vessels and the like
US6428549B1 (en) Device and method for suturing blood vessels and the like
US9986987B2 (en) Apparatus and method for fascial closure device for laparoscopic trocar port site and surgery
CN101637398B (en) Suturing device
JP2010525895A (en) Loader and threader for knot elements
US20110238090A1 (en) Methods and devices for delivering sutures in tissue
CN105434040A (en) Umbrella-shaped radiofrequency ablation electrode needle for endoscopes
WO2010048427A1 (en) Methods and devices for delivering sutures in tissue
US6261315B1 (en) Tubular body structure marking methods and apparatus
CN217244690U (en) Fixed draw-off gear of syringe appearance tissue puncture
EP2950703B1 (en) Endoscopic injection needle device
EP3689255B1 (en) Recoverable percutaneous anchor
JP2002501399A (en) Method and apparatus for marking tubular body structure
JP2022510111A (en) Wire of tension member around the tissue mass
CN212490018U (en) Suture line implanting device and suture line
CN217430066U (en) Tissue traction hook for laparoscopic surgery
CN102512217B (en) Controllable self-bending sewing needle
CN217772471U (en) Puncture sheath capable of displaying interatrial septum position
CN215424857U (en) Threading fixing device for preventing tongue from falling
CN217488768U (en) Elastic double-clamp device for endoscope
CN212281559U (en) Puncture instrument
CN112168226A (en) Biopsy drill and spinal biopsy tool assembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant