Flushing device of stitching instrument for endoscope

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a flushing device of a stitching instrument for an endoscope. Comprising a fixed handle, a rotary shifting wheel, a rotary connecting rod, a positioning ball, a sleeve and a flushing assembly. The rotary shifting wheel consists of an upper rotary shifting wheel and a lower rotary shifting wheel which are connected and fixed through a fixing pin; the flushing assembly comprises a flushing connector, a flushing opening protection cover, a flushing fluid guide pipe and a backflow prevention sealing plug. The flushing connector is installed in a through flushing connector reserved hole formed in the upper rotary shifting wheel and the near end of the sleeve, the flushing fluid catheter is installed in the sleeve, one end of the flushing fluid catheter is connected with the lower end of the flushing connector, and the other end of the flushing fluid catheter is installed in an anti-backflow sealing plug at the far end of the sleeve and forms a water channel with the flushing connector. The near end of the sleeve is fixedly connected with the rotary connecting rod through a clamping groove, and the upper end of the flushing connector is used for being connected with an external flushing fluid pipe to clean a wound in an operation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the medical instrument technical field, especially is involved in a kind of flusher of endoscope suture device. BACKGROUND

[0002] At present, in the operation of human respiratory tract and urogenital organ and tissue, endoscope suture device with suture needle is used to replace the manual needle and thread suture in traditional surgical operation, and the wound is sutured, which is especially suitable for the suture operation of difficult organs and tissues, can improve the operation efficiency, reduce the risk of wound infection and promote wound healing.

[0003] In some surgical suture environment, the doctor will be hindered by blood stasis at and near the wound, which affects the wound suture and increases the suture difficulty. At present, the corresponding flusher is needed to optimize the suture environment and improve the operation quality and success rate, and the existing endoscope suture device lacks such structure.

[0004] The structure of the endoscope suture device is not perfect, and it is not convenient to use. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a flusher of endoscope suture device, which is used with endoscope suture device to meet the needs of flushing in suture environment.

[0006] The proximal end refers to the end close to the operator, and the distal end refers to the end away from the operator.

[0007] The utility model is realized by the following technical solutions:

[0008] A flusher of endoscope suture device includes fixed handle, rotating pulley, rotating connecting rod, rotating connecting rod positioning bead, sleeve, flush assembly.

[0009] The rotating pulley is composed of upper rotating pulley and lower rotating pulley, which are connected and fixed by fixed pin. The upper rotating pulley distal end and sleeve proximal end are provided with through flush connecting port reserved hole, for installing flush connecting port, the inner side of flush connecting port has flow guide hole, upper end connects external hose or syringe, lower end is installed and fixed through flush connecting port reserved hole in upper rotating pulley and sleeve proximal end.

[0010] The flushing assembly comprises a flushing connecting port, a flushing port protective cover, a flushing liquid guide pipe and an anti-backflow sealing plug. The flushing liquid guide pipe is installed with its distal end entering the sleeve flushing port and extending towards the distal end of the sleeve. The proximal end port of the flushing liquid guide pipe is provided with a fixing ring which is in close contact with the outer edge of the sleeve flushing port and is pressed and fixed by the upper rotary knob. The anti-backflow sealing plug is made of soft silica gel and is provided with small holes for the flushing liquid guide pipe and other components to pass through at the corresponding positions. The anti-backflow sealing plug is installed at the distal end of the sleeve and is tightly fixed to isolate the distal end and the proximal end of the sleeve. The flushing connecting port is installed in the flushing hole at the distal end of the upper rotary knob and the sleeve flushing hole. The proximal end of the sleeve and the rotary connecting rod are fixedly connected through the clamping groove. The upper end of the flushing connecting port is used for connecting with the external flushing liquid pipe. The flushing connecting port and the flushing liquid guide pipe form a water channel passage. The connecting part of the bending joint assembly serves as the flushing liquid outlet to clean the wound during the operation.

[0011] The flushing port protective cover is sleeved on the flushing connecting port at one end, so that the flushing connecting port can freely rotate without falling off. The other end of the flushing port protective cover is internally provided with a nut which is matched with the screw thread at the upper end of the flushing connecting port.

[0012] The distal end of the fixing handle is provided with an annular track. The proximal end of the rotary knob is provided with a clamping ring. The annular track at the distal end of the fixing handle and the clamping ring at the proximal end of the rotary knob are matched and installed to limit the position and enable the rotary knob to rotate along the axial direction.

[0013] The proximal end of the sleeve is provided with openings on both sides. The distal end of the rotary connecting rod is provided with a cutout. The inner side of the rotary knob is provided with two vertical reinforcing ribs. The two vertical reinforcing ribs provided on the inner side of the rotary knob are matched and fixed with the vertical notches which are jointly formed by the openings on both sides of the proximal end of the sleeve and the cutout at the distal end of the rotary connecting rod. Meanwhile, the distal end of the rotary connecting rod is provided with a plurality of protruding clamping openings. The plurality of protruding clamping openings at the distal end of the rotary connecting rod are matched with the plurality of recesses at the proximal end of the sleeve to further fixedly connect.

[0014] The proximal end of the rotary connecting rod is provided with a plurality of limiting grooves which are uniformly distributed along the circumference. The rear end of the rotary connecting rod positioning bead is fixedly installed on the fixing handle. The front end hemispherical surface structure is positioned and matched with the limiting grooves of the rotary connecting rod.

[0015] The fixing pin has a one-way clamping structure. A plurality of steps are arranged at both ends. The head end part has a small radius, so that the end part of the fixing pin can easily enter the fixing pin mounting hole. The tail end part has a large radius, so that the fixing pin is pressed against the fixing pin mounting hole and is not easy to disassemble. One-way locking is achieved to tightly fix.

[0016] The flushing device of the endoscope suture device is matched with the endoscope suture device and is used to meet the flushing requirement in the suture environment. The utility model has the following advantages:

[0017] The utility model discloses a flushing device, can clean some with blood stasis, the inconvenient suture wound, reduce the suture difficulty, and improve the operation quality and success rate.

[0018] The utility model discloses a flushing port protection cover, when the suture device for endoscope is transported and stored, the nut of flushing port protection cover is tightly sealed with the flushing connecting port, and the inside and outside are isolated, guarantee the sanitary condition in the flushing device, reduce the possibility of cross infection, when using, only need to unscrew the nut of flushing port protection cover, connect the hose or syringe outside into the flushing connecting port, make the sleeve far end align the wound needing flushing, can clean, convenient and fast use.

[0019] The utility model discloses the backflow prevention sealing plug in flushing device adopts the elastic silica gel to be made, tightly fixed in the sleeve, and the hole for other components to pass is equipped on it, and the sealing is tight also, reaches the effect of preventing the backflow of flushing liquid. Other components can carry out small -range activity, do not affect the closed effect.

[0020] The utility model discloses the cooperation mode of rotating connecting rod positioning bead and rotating connecting rod limiting groove, stabilizes the rotation angle, avoids the situation that the suture needle deviates the suture position because of the rotation of rotating handle due to the misoperation.

[0021] The two parts of the rotating handle are tightly fixed by the fixed pin, and the structure is simple and convenient to install. DRAWINGS

[0022] The utility model will be further described in connection with the drawings:

[0023] Fig. 1 It is a kind of suture device for endoscope and the flushing device structural schematic drawing of suture device for endoscope.

[0024] Fig. 2 It is the flushing device exploded schematic drawing of suture device for endoscope.

[0025] Fig. 3 It is the fixed pin structural schematic drawing of the flushing device of suture device for endoscope.

[0026] In the drawing: 1, fixed handle, 2, rotating connecting rod positioning bead, 3, rotating connecting rod, 4, rotating handle, 5, fixed pin, 6, flushing connecting port, 7, flushing port protection cover, 8, sleeve, 9, bend joint assembly, 10, pincer head short pipe, 11, suture needle holding assembly, 12, flushing liquid guide pipe, 13, backflow prevention sealing plug, 14, flushing connecting port reserved hole.

[0027] 3-1, angle limiting groove, 3-2, butt joint boss, 3-3, rotary connecting rod stop groove, 3-4, rotary connecting rod matching groove, 4-1, upper rotary knob, 4-2, lower rotary knob, 4-3, fixing pin mounting hole, 4-4, snap ring, 4-5, reinforcing rib, 5-1, fixing pin position one, 5-2, fixing pin position two, 8-1, butt joint groove, 8-2, stop card, 8-3, sleeve matching groove, 9-1, flushing liquid outlet, 12-1, fixing ring. DETAILED DESCRIPTION

[0028] Referring to the drawings Figs. 1-3 A flushing device of an endoscope suture device comprises a fixed handle 1, a rotary connecting rod positioning bead 2, a rotary connecting rod 3, a rotary knob 4, a fixing pin 5, a flushing assembly, a sleeve 8, a bending joint assembly 9, a forceps head short tube 10, a suture needle holding assembly 11.

[0029] The flushing assembly comprises a flushing connecting port 6, a flushing port protection cover 7, a flushing liquid conduit 12 and an anti-backflow sealing plug 13.

[0030] The upper end of the flushing connecting port 6 is connectable to an external hose or a syringe, and the lower end is mounted and fixed through a flushing connecting port reserved hole 14 provided at the proximal end of the sleeve 8. One end of the flushing port protection cover 7 is sleeved on the flushing connecting port 6, so that it can rotate freely without falling off, and the other end of the protection cover is provided with a nut matched with the threads at the upper end of the flushing connecting port 6. When the endoscope suture device is transported and stored, the nut of the flushing port protection cover 7 is screwed tightly with the flushing connecting port 6 to seal and fix, isolate the inside and outside, and ensure the sanitary conditions in the flushing device, reducing the possibility of cross infection; when in use, only the nut of the flushing port protection cover 7 is unscrewed, the external hose or syringe is connected to the flushing connecting port 6, and the sleeve 8 is aligned with the wound needing flushing, so that it can be cleaned, which is convenient and fast.

[0031] The flushing liquid conduit 12 is installed with the distal end entering from the flushing port of the sleeve 8 and extending towards the distal end of the sleeve 8. The proximal end port of the flushing liquid conduit 12 is provided with a fixing ring which is attached to the outer edge of the flushing port of the sleeve 8 and is pressed and fixed by the upper rotary knob 4-1. The anti-backflow sealing plug 13 is made of soft silica gel and is provided with holes for the flushing liquid conduit 12 and other components to pass through at the corresponding positions. The anti-backflow sealing plug 13 is installed at the distal end of the sleeve 8 and is tightly fixed to seal the distal end and the proximal end of the sleeve 8. The flushing connecting port 6 is installed in the flushing hole at the distal end of the upper rotary knob 4-1 and the flushing hole of the sleeve 8, and the proximal end of the sleeve 8 and the rotary connecting rod 3 are fixedly connected through the clamping groove. The upper end of the flushing connecting port 6 is used to connect with the external flushing liquid conduit, and forms a water passage with the flushing liquid conduit 12. The flushing liquid flows out from the flushing liquid outlet 9-1 of the bending joint assembly 9 to clean the wound during the operation.

[0032] The rotating knob 4 is composed of an upper rotating knob 4-1 and a lower rotating knob 4-2, which are connected and fixed by a fixing pin 5.

[0033] The fixing pin 5 has a one-way buckle structure, and a plurality of steps are arranged at both ends. The head end has a small radius, so that the end of the fixing pin can easily enter the fixing pin mounting hole 4-3. The tail end has a large radius, so that the fixing pin 5 is resistant to the fixing pin mounting hole 4-3 in the rotating knob 4 and is not easy to disassemble, realizing one-way locking and tight fixing. As shown in the attached Fig. 3 The fixing pin position one 5-1 of the fixing pin 5 has a slightly smaller radius, which can easily enter the fixing pin mounting hole; the fixing pin position two 5-2 has a larger radius, which can be resistant to the fixing pin mounting hole 4-3, so that the fixing pin 5 is difficult to disengage.

[0034] The annular track 1-1 at the distal end of the fixed handle 1 and the snap ring 4-4 at the proximal end of the rotating knob 4 fit together, limiting the position while allowing the rotating knob 4 to rotate axially. The inner side of the rotating knob 4 has two vertical reinforcing ribs 4-5, which cooperate with the vertical notch formed by the proximal end 8-2 of the sleeve 8 and the distal end 3-4 of the rotating connecting rod 3 to fix. At the same time, the distal end of the rotating connecting rod 3 has a plurality of butt protrusions 3-2, which cooperate with a plurality of butt grooves 8-1 at the proximal end of the sleeve 8 to ensure axial fixed connection; the sleeve 8 is provided with a retreat stop card 8-2, which is slightly bent downward and clamped with the rotating connecting rod retreat groove 3-3 provided on the rotating connecting rod 8 to ensure radial fixed connection. The proximal end of the rotating connecting rod 3 has angle limiting grooves 3-1 uniformly distributed along the circumference, and the rotating connecting rod positioning bead 2 is fixed at the rear end of the fixed handle, and the front end has a hemispherical structure which is positioned and matched with the angle limiting grooves 3-1 of the rotating connecting rod 3. The rotation angle range of the rotating knob 4 is ±180°, so that the suture needle holding assembly 11 can be aligned with the position of the tissue to be sutured, and rotated to the required suture angle, which facilitates the operator to observe the state of the suture needle and the sutured tissue, and facilitates the suture of the wound, and improves the operation efficiency.

Claims

1. A flushing device for an endoscopic suture, characterized in that, Includes a fixed handle, a rotary dial, a rotary connecting rod, a rotary connecting rod positioning bead, a sleeve, and a flushing assembly; The rotating dial consists of an upper rotating dial and a lower rotating dial, which are connected and fixed by a fixing pin; the upper rotating dial and the proximal end of the sleeve have a through-hole for installing a flushing connection port. The flushing connection port has a guide hole on the inner side, the upper end of which is connected to an external hose or syringe, and the lower end is connected to the flushing connection port through the pre-drilled hole on the proximal end of the upper rotating dial and the sleeve. The irrigation assembly includes an irrigation connection port, an irrigation port protective cap, an irrigation fluid conduit, and an anti-backflow sealing plug. The irrigation connection port is fitted with a rotating dial and has a through-hole in the proximal end of the sleeve. The irrigation fluid conduit is installed inside the sleeve, with one end connected to the lower end of the irrigation connection port and the other end fixed by the anti-backflow sealing plug at the distal end of the sleeve. The upper end of the irrigation connection port is used to connect to an external irrigation fluid pipe, forming a water channel with the irrigation fluid conduit for cleaning the wound during surgery.

2. The rinsing device for an endoscopic suture according to claim 1, characterized in that, The protective cap for the rinsing port is fitted onto the rinsing connection port at one end, allowing it to rotate freely without falling off. The other end of the protective cap is equipped with a nut that mates with the threaded upper end of the rinsing connection port.

3. The rinsing device for an endoscopic suture according to claim 1, characterized in that, The fixed handle has an annular track at its distal end and a retaining ring at its proximal end. The annular track at the distal end of the fixed handle and the retaining ring at the proximal end of the rotating wheel fit together, restricting the position while allowing the rotating wheel to rotate axially.

4. The rinsing device for an endoscopic suture according to claim 1, characterized in that, The sleeve has openings on both sides near its proximal end, and the rotating connecting rod has a cut at its distal end. The rotating dial has two vertical reinforcing ribs on its inner side. The two vertical reinforcing ribs on the inner side of the rotating dial, together with the openings on both sides near the proximal end of the sleeve and the cut at the distal end of the rotating connecting rod, form a vertical groove for fixation. At the same time, the distal end of the rotating connecting rod has several protruding latches that cooperate with several grooves near the proximal end of the sleeve to fix the connection.

5. The rinsing device for an endoscopic suture according to claim 1, characterized in that, The near end of the rotating connecting rod has a limiting groove evenly distributed along the circumference. The rear end of the positioning bead of the rotating connecting rod is fixed on the fixed handle, and the front hemispherical structure is positioned and matched with the limiting groove of the rotating connecting rod.

6. The rinsing device for an endoscopic suture according to claim 1, characterized in that, The fixing pin has a one-way snap-fit ​​structure with several stepped platforms at both ends. The small radius of the head end makes it easy for the end of the fixing pin to enter the fixing pin mounting hole, while the large radius of the tail end makes the fixing pin abut against the fixing pin mounting hole, making it difficult to disassemble, thus achieving one-way locking and tight fixation.

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