CN217338647U

CN217338647U - Thermal biopsy forceps for endoscope

Info

Publication number: CN217338647U
Application number: CN202220057459.5U
Authority: CN
Inventors: 石晓彬; 贺定州
Original assignee: Sichuan Kangpu Runde Technology Co ltd
Current assignee: Sichuan Kangpu Runde Technology Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-09-02
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a thermal biopsy forceps for an endoscope, which comprises a forceps body and an outer tube, wherein a holding part is arranged on the forceps body, a pull rod is sleeved in the forceps body, a connecting guide wire is sleeved in the outer tube, the far end of the pull rod is connected with the near end of the connecting guide wire, the near end of the pull rod extends out of the forceps body and is connected with a limiting plate, a pull ring is arranged on the limiting plate, and the far end of the connecting guide wire is connected with a head clamping part; the inner wall of the outer pipe is provided with a sliding groove along the length direction, the connecting guide wire is provided with a sliding block matched with the sliding groove, the sliding groove is internally provided with a return spring, one end of the return spring is connected with the sliding block, and the other end of the return spring is connected with the groove wall of the sliding groove. The utility model discloses set up supplementary canceling release mechanical system in the outer tube, after the operation is accomplished to the direct focus of chuck portion, under reset spring's restoring force effect, can assist the connection seal wire and do the action of pullback, the power degree of pull ring is pulled back to reducible doctor initiative, makes things convenient for doctor's operation to use more, can improve medical efficiency.

Description

Thermal biopsy forceps for endoscope

Technical Field

The utility model relates to the field of medical equipment, in particular to a thermal biopsy forceps for an endoscope.

Background

With the development of medicine, more and more early cancers of the digestive tract and precancerous lesions can be detected endoscopically and removed endoscopically. For early cancer of digestive tract, if the endoscope excision indication is available, the treatment effect can be compared with that of operation, the wound to a patient is smaller, the cost is lower, and the postoperative life quality is better. And the precancerous lesion can completely block the canceration process after being removed, thereby achieving the purpose of preventing the occurrence of cancer. Although the endoscopic minimally invasive treatment has a plurality of advantages, intraoperative hemorrhage and postoperative delayed hemorrhage are often difficult problems, particularly for hemorrhage with high bleeding speed, bleeding points are quickly covered by blood, the endoscopic hemostasis is difficult, and a thermal biopsy forceps is needed in the operation process.

When the existing thermal biopsy forceps are used, the clamping heads of the existing thermal biopsy forceps need to be manually operated after being clamped to reset, so that the clamping operation can be performed again, the use is very troublesome, the operation of doctors is not facilitated, and the working efficiency of the doctors is low.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the utility model provides a thermal biopsy forceps for endoscope, can assist the chuck to reset automatically and press from both sides tightly, make things convenient for doctor's operation more.

The technical scheme of the utility model as follows:

a thermal biopsy forceps for an endoscope comprises a forceps body and an outer tube, wherein a holding part is arranged on the forceps body, a pull rod is sleeved in the forceps body, a connecting guide wire is sleeved in the outer tube, the far end of the pull rod is connected with the near end of the connecting guide wire, the near end of the pull rod extends out of the forceps body and is connected with a limiting plate, a pull ring is arranged on the limiting plate, and the far end of the connecting guide wire is connected with a head clamping part; the inner wall of the outer pipe is provided with a sliding groove along the length direction, the connecting guide wire is provided with a sliding block matched with the sliding groove, the sliding groove is internally provided with a return spring, one end of the return spring is connected with the sliding block, and the other end of the return spring is connected with the groove wall of the sliding groove.

The working principle of the technical scheme is as follows:

the utility model discloses set up supplementary canceling release mechanical system in the outer tube, after the operation is accomplished to the direct focus of chuck portion, under reset spring's restoring force effect, can assist the connection seal wire and do the action of pullback, the power degree of pull ring is pulled back to reducible doctor initiative, makes things convenient for doctor's operation to use more, can improve medical efficiency.

In a further technical scheme, the holding part comprises a sliding seat sleeved on the clamp body and a handle connected with the sliding seat, one side of the handle is provided with a mounting groove, a limiting rod is arranged in the mounting groove, one end of the limiting rod, which is positioned in the mounting groove, is provided with a sliding plate, a baffle matched with the sliding plate is arranged at the notch of the mounting groove to limit the sliding plate to slide out of the mounting groove, a tensioning spring is sleeved on the limiting rod, two ends of the tensioning spring are respectively abutted against the sliding plate and the baffle, and one end of the limiting rod, which extends out of the mounting groove, is connected with the sliding seat; a clamping block is arranged on the handle and on the same side of the notch of the mounting groove, a through hole for the clamping block to pass through is formed in the sliding seat, and a clamping groove for accommodating the clamping block is formed in the outer wall of the clamp body; and a plurality of groups of clamping grooves are sequentially arranged on the pliers body along the length direction of the pliers body.

The utility model discloses set up the handle into active structure, through outside pulling handle, and then drive the fixture block and break away from with the draw-in groove, accomplish the unblock of portion of holding, upper and lower adjusting position that can be free, after position control finishes, loosen the handle, under take-up spring's effect, the handle is automatic to paste to the slide, and the fixture block is stretched into in the draw-in groove of this position department, accomplishes the locking.

The utility model discloses a handle adopts the activity setting, conveniently adjusts its position as required, more conveniently satisfies different operators' user demand.

In a further technical scheme, the chuck part comprises an installation seat and a pair of chucks hinged on the installation seat, a groove is arranged on a clamping surface of each chuck, and an opening spring is arranged between the two chucks.

In a further technical scheme, clamping teeth are arranged on the clamping surface of the clamping head, so that the clamping wound is convenient to clamp.

The utility model has the advantages that:

1. the utility model is provided with the auxiliary reset mechanism in the outer tube, after the direct focus of the chuck part finishes the operation, the guide wire can be connected in an auxiliary way to do the pull-back action under the restoring force action of the reset spring, the force degree of the pull ring which is actively pulled back by the doctor can be reduced, the operation and the use of the doctor are more convenient, and the medical efficiency can be improved;

2. the utility model discloses a handle adopts the activity setting, conveniently adjusts its position as required, more conveniently satisfies different operators' user demand.

Drawings

FIG. 1 is a schematic perspective view of a thermal biopsy forceps for an endoscope according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the internal structure of a thermal biopsy forceps for an endoscope according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is an enlarged view at C in fig. 2.

Description of reference numerals:

1. a clamp body; 2. a pull rod; 3. connecting a guide wire; 4. an outer tube; 5. a limiting plate; 6. a pull ring; 7. a handle; 8. mounting grooves; 9. a slide plate; 10. tensioning the spring; 11. a limiting rod; 12. a clamping block; 13. a card slot; 14. a chute; 15. a slide base; 16. a mounting seat; 17. a chuck; 18. a groove; 19. clamping teeth; 20. opening the spring; 21. a return spring; 22. a slide block.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

a thermal biopsy forceps for an endoscope is shown in figure 1 and comprises a forceps body 1 and an outer tube 4, wherein a holding part is arranged on the forceps body 1, a pull rod 2 is sleeved in the forceps body 1, a connecting guide wire 3 is sleeved in the outer tube 4, the far end of the pull rod 2 is connected with the near end of the connecting guide wire 3, the near end of the pull rod 2 extends out of the forceps body 1 and is connected with a limiting plate 5, a pull ring 6 is arranged on the limiting plate 5, and the far end of the connecting guide wire 3 is connected with a head clamping part; as shown in fig. 5, the inner wall of the outer tube 4 is provided with a sliding groove 14 along the length direction thereof, the connecting guide wire 3 is provided with a sliding block 22 matched with the sliding groove 14, the sliding groove 14 is further provided with a return spring 21 therein, one end of the return spring 21 is connected with the sliding block 22, and the other end is connected with the groove wall of the sliding groove 14.

The utility model discloses set up supplementary canceling release mechanical system in outer tube 4, after the operation is accomplished to the direct focus of chuck portion, under reset spring 21's restoring force effect, can assist and connect seal wire 3 and do the action of pullback, reducible doctor initiatively pulls back the power degree of pull ring 6, makes things convenient for doctor's operation to use more, can improve medical efficiency.

In the present embodiment, as shown in fig. 4, the chuck portion includes a mounting base 16 and a pair of chucks 17 hinged on the mounting base 16, a groove 18 is provided on the clamping surface of the chuck 17, and an opening spring 20 is provided between the two chucks 17 to facilitate automatic opening of the chucks 17.

In another embodiment, as shown in fig. 1 to fig. 3, the holding part includes a sliding seat 15 sleeved on the caliper body 1 and a handle 7 connected with the sliding seat 15, one side of the handle 7 is provided with a mounting groove 8, a limiting rod 11 is arranged in the mounting groove 8, one end of the limiting rod 11 located in the mounting groove 8 is provided with a sliding plate 9, a notch of the mounting groove 8 is provided with a baffle plate matched with the sliding plate 9, the sliding plate 9 is limited to slide out of the mounting groove 8, the limiting rod 11 is sleeved with a tension spring 10, two ends of the tension spring 10 respectively abut against the sliding plate 9 and the baffle plate, and one end of the limiting rod 11 extending out of the mounting groove 8 is connected with the sliding seat 15; a clamping block 12 is arranged on the handle 7 and on the same side of the notch of the mounting groove 8, a through hole for the clamping block 12 to pass through is arranged on the sliding seat 15, and a clamping groove 13 for accommodating the clamping block 12 is arranged on the outer wall of the clamp body 1; a plurality of groups of clamping grooves 13 are sequentially arranged on the forceps body 1 along the length direction.

The utility model discloses set up handle 7 into active structure, through outside pulling handle 7, and then drive fixture block 12 and draw-in groove 13 and break away from, accomplish the unblock of handle, upper and lower adjusting position that can be free, position control finishes the back, loosens handle 7, and under take-up spring 10's effect, handle 7 is automatic to paste to slide 15, and in fixture block 12 stretched into draw-in groove 13 of this position department, the completion locking.

The utility model discloses a handle 7 adopts the activity setting, conveniently adjusts its position as required, more conveniently satisfies different operators' user demand.

In another embodiment, as shown in fig. 4, the gripping surface of the gripping head 17 is provided with a latch 19 to facilitate gripping of the wound.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A thermal biopsy forceps for an endoscope comprises a forceps body and an outer tube, wherein a holding part is arranged on the forceps body, and the thermal biopsy forceps is characterized in that a pull rod is sleeved in the forceps body, a connecting guide wire is sleeved in the outer tube, the far end of the pull rod is connected with the near end of the connecting guide wire, the near end of the pull rod extends out of the forceps body and is connected with a limiting plate, a pull ring is arranged on the limiting plate, and the far end of the connecting guide wire is connected with a head clamping part; the inner wall of the outer pipe is provided with a sliding groove along the length direction, the connecting guide wire is provided with a sliding block matched with the sliding groove, the sliding groove is internally provided with a return spring, one end of the return spring is connected with the sliding block, and the other end of the return spring is connected with the groove wall of the sliding groove.

2. The endoscopic thermal biopsy forceps according to claim 1, wherein the holding portion comprises a slide seat sleeved on the forceps body and a handle connected with the slide seat, one side of the handle is provided with a mounting groove, a limiting rod is arranged in the mounting groove, a slide plate is arranged at one end of the limiting rod located in the mounting groove, a baffle plate matched with the slide plate is arranged at a notch of the mounting groove, a tension spring is sleeved on the limiting rod, two ends of the tension spring are respectively abutted against the slide plate and the baffle plate, and one end of the limiting rod extending out of the mounting groove is connected with the slide seat; a clamping block is arranged on the handle and on the same side of the notch of the mounting groove, a through hole for the clamping block to pass through is formed in the sliding seat, and a clamping groove for accommodating the clamping block is formed in the outer wall of the clamp body; and a plurality of groups of clamping grooves are sequentially arranged on the pliers body along the length direction of the pliers body.

3. The endoscopic thermal biopsy forceps according to claim 1, wherein the jaw portion comprises a mounting base and a pair of jaws hinged to the mounting base, the jaws have grooves on their gripping surfaces, and an expanding spring is provided between the two jaws.

4. The endoscopic thermal biopsy forceps according to claim 3, wherein the gripping surfaces of the jaws are provided with latch teeth.