CN112274194A - Negative pressure suction type biopsy forceps for surgical operation - Google Patents
Negative pressure suction type biopsy forceps for surgical operation Download PDFInfo
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- CN112274194A CN112274194A CN202011085033.2A CN202011085033A CN112274194A CN 112274194 A CN112274194 A CN 112274194A CN 202011085033 A CN202011085033 A CN 202011085033A CN 112274194 A CN112274194 A CN 112274194A
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- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
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Abstract
The invention discloses a negative pressure suction type biopsy forceps for a surgical operation, which belongs to the technical field of surgical operation instruments and comprises a clamping mechanism, wherein two sides of the clamping mechanism are movably connected with the clamping mechanism through a clamping mechanism, the outer side wall of the clamping mechanism is fixedly connected with a protective shell tube, the outer side wall of the protective shell tube is sleeved with a holding mechanism, the clamping mechanism comprises a forceps body, one side of the forceps body is fixedly connected with a hinged seat, the forceps body is hinged with a supporting tube through the hinged seat, one side of the hinged seat is fixedly connected with a movable plate, one side of the movable plate is sleeved with a pull plate, and the pull plate is positioned in a through groove formed in one side of the. According to the invention, the second slide bar on one side can be pulled to drive the direction-adjusting seat to incline, shorten and adjust the positions of the fixed shell and the support tube on one side, so that the requirements of biopsy sampling angle adjustment under different conditions can be adapted, the pulling adsorption strength is improved, and the stability and the adaptability of biopsy sampling requirements are met.
Description
Technical Field
The invention belongs to the technical field of surgical operation instruments, and particularly relates to a negative pressure suction type biopsy forceps for a surgical operation.
Background
The endoscope non-invasive detection is that the endoscope is sent into the body from the outside of the body through a natural cavity of the human body to inspect internal diseases, can directly observe the pathological changes of the internal cavity of the viscera, determine the position and the range of the pathological changes, and can take pictures, biopsies or brush films, thereby greatly improving the diagnosis accuracy of cancerous tissues and carrying out certain treatments.
The Chinese invention patent CN105686855B discloses a biopsy forceps for continuous sampling, which comprises a forceps head bracket and two forceps heads, wherein the two forceps heads are respectively hinged on the inner side of the front end of the forceps head bracket through independent connecting columns, so that a space for accommodating a plurality of samples is formed between the two forceps heads; further, by providing a sampling needle extending between the two bits on the platform of the bit holder, a plurality of samples obtained by continuous sampling can be arranged in sequence on the sampling needle. Above-mentioned biopsy forceps takes a sample in succession, only need advance and retreat the operation of pincers once and can accomplish the continuous sampling to same focus and same biopsy in the short time, the operation degree of difficulty of sample has been reduced, but among the above-mentioned scheme biopsy forceps can only carry out centre gripping extrusion extraction a small amount of biopsy thing to pathological change tissue through two binding clip, this needs the biopsy thing to have higher intensity to provide certain support capacity, consequently, when biopsy forceps is because of the biopsy thing intensity is lower and the clamping-force is not enough, just it gets the material biopsy to carry out the centre gripping to the biopsy thing hardly, just can not be fine carry out the biopsy to pathological change tissue, consequently, biopsy forceps suitability is not enough, and biopsy forceps is many to pass through outside bolt movable mounting, assembly efficiency is lower, and bring inconvenience for subsequent clearance disinfection.
Disclosure of Invention
The invention aims to: the negative pressure suction type biopsy forceps for the surgical operation are provided for solving the problems that when the biopsy forceps are not enough in clamping force due to low strength of a biopsy object, the biopsy object is difficult to clamp and take a biopsy, and a lesion tissue cannot be well biopsied, so that the biopsy forceps are not enough in application capacity, the biopsy forceps are movably mounted through an external bolt, the assembly efficiency is low, and inconvenience is brought to subsequent cleaning and disinfection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a negative pressure suction type biopsy forceps for surgical operation comprises a clamping mechanism, wherein clamping mechanisms are movably connected to two sides of the clamping mechanism through connecting mechanisms, a protective shell tube is fixedly connected to one side of each connecting mechanism, and a holding mechanism is sleeved on the outer side wall of each protective shell tube;
the clamping mechanism comprises a clamp body, a hinge seat is fixedly connected to one side of the clamp body, the clamp body is hinged to a supporting tube through the hinge seat, a movable plate is fixedly connected to one side of the hinge seat, a pulling plate is sleeved to one side of the movable plate and located in a through groove formed in one side of the supporting tube, a transverse plate is fixedly connected to one side of the pulling plate and movably connected to one side of the connecting mechanism through a clamping groove formed in the bottom of the transverse plate, and one side of the supporting tube is attached to one side of the connecting mechanism;
the connecting mechanism comprises a fixed shell, one side of the fixed shell is attached to the supporting tube, an adsorption seat is arranged in the inner cavity of the fixed shell and communicated with a communicating tube, a sleeve joint seat is movably sleeved on the outer side wall of the communicating tube, and a negative pressure suction tube is communicated with one side of the sleeve joint seat.
As a further description of the above technical solution:
a plurality of teeth are arranged on one side of the forceps body, and the tops of the teeth are in a sharp-pointed shape.
As a further description of the above technical solution:
the connecting mechanism further comprises a direction adjusting seat, the direction adjusting seat is sleeved on the outer wall of the fixed shell, the other side of the direction adjusting seat is fixedly connected with one side of the protective shell tube, and the direction adjusting seat is a telescopic corrugated tube sleeve.
As a further description of the above technical solution:
the clamping mechanism comprises a first slide bar, a first slide sleeve is sleeved on the outer side wall of the first slide bar, second slide blocks are fixedly connected to two sides of the first slide sleeve, an opening is formed in one side of a fixed shell, second slide grooves are formed in two sides of an inner cavity of the opening, the second slide blocks are slidably connected in the second slide grooves, the first slide sleeve is positioned in the opening formed in one side of the outer wall of the fixed shell, a clamping seat is fixedly connected to the bottom of the first slide bar and is positioned in the inner cavity of the fixed shell, a clamping block is fixedly connected to the bottom of the inner cavity of the clamping seat, the clamping block is clamped in the clamping groove, the bottom of a transverse plate is attached to the bottom of the inner cavity of the clamping seat, a limiting plate is clamped on the outer side wall of the first slide bar, the bottom of the limiting plate is fixedly connected to the top of the, sliding connection has first slider in the first spout, and first slider and first spout cross sectional shape are T shape, and first slider opposite side fixedly connected with second slide bar, second slide bar lateral wall cover is equipped with the second sliding sleeve, the second sliding sleeve lateral wall inlays and is equipped with the fixed block, fixed block bottom and fixed shell top fixed connection, the second slide bar passes protection shell pipe and extends and to protection shell pipe end.
As a further description of the above technical solution:
the clamp seat is characterized in that an extrusion block is fixedly connected to one side of the inner cavity of the clamp seat through a telescopic rod, the extrusion block is attached to one side of the transverse plate, a second spring is sleeved on the outer side wall of the telescopic rod, and two ends of the second spring are fixedly connected with the inner cavity of the clamp seat and the extrusion block respectively.
As a further description of the above technical solution:
the height of the inner cavity of the clamping seat is greater than the sum of the heights of the clamping block and the transverse plate.
As a further description of the above technical solution:
the clamping mechanism further comprises a connecting seat, a guide wire is movably mounted on one side of the connecting seat, and the guide wire is communicated with external endoscope equipment.
As a further description of the above technical solution:
the holding mechanism comprises a fixed seat, a third sliding sleeve is embedded in the top of the fixed seat, a third sliding rod is connected in the third sliding sleeve in a sliding mode, a handle is fixedly connected to the top end of the third sliding rod, an extrusion pad is fixedly connected to the bottom of the third sliding rod, the fixed seat sleeve is arranged on the outer wall of the protection shell pipe, and the bottom of the extrusion pad is attached to the corresponding position of the protection shell pipe.
As a further description of the above technical solution:
and a third spring is sleeved on the outer side wall of the third sliding rod, and two ends of the third spring are fixedly connected with the handle and the corresponding position of the third sliding sleeve respectively.
As a further description of the above technical solution:
the supporting tube is a plastic hard tube.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the second slide bar on one side can be pulled to drive the direction-adjusting seat to incline, shorten and adjust the positions of the fixed shell and the support tube on one side, so that the requirements of biopsy sampling angle adjustment under different conditions can be adapted, the pulling adsorption strength is improved, and the stability and the adaptability of biopsy sampling requirements are met.
2. According to the invention, the supporting tube can be quickly separated and disassembled, so that the worker can conveniently and integrally disinfect the disassembled supporting tube and the clamp body on one side, the disassembling and assembling efficiency of the clamp body and the supporting tube is improved, the requirement for disinfection use is met, and the working difficulty of the worker is reduced.
3. According to the connecting base, the fixing base can slide on the outer wall of the protective shell pipe, the placing position of the fixing base can be adjusted according to needs, wiring of the protective shell pipe is convenient to adjust, the connecting base can be connected through the guide wire to improve the control precision of the endoscope during use, the control precision of the endoscope during sampling is further effectively improved, and the use needs are met.
4. According to the invention, the limiting plate and the first slide bar can be pulled by the first spring through the elasticity of the first spring, so that the movement stability of the first slide bar is improved, the first slide bar is prevented from being deviated and shaken when being extruded, the ejector block and the first slide bar can be pulled to automatically reset through the elasticity of the first spring, and the limiting stability of the first slide bar is ensured.
5. According to the invention, the first sliding groove on one side of the first sliding rod can slide outside the first sliding block when the first sliding rod moves up and down, so that the first sliding rod can be prevented from moving and extruding to the second sliding rod, and the T-shaped first sliding block and the first sliding groove can ensure the pulling stability of the second sliding rod, so that the use requirement is met.
Drawings
FIG. 1 is a schematic perspective view of a vacuum suction biopsy forceps for surgical operation according to the present invention;
FIG. 2 is a schematic view of a three-dimensional detachable structure of a clamping seat of a negative pressure suction type biopsy forceps for surgical operation according to the present invention;
FIG. 3 is a schematic side view of a side perspective structure of a first slide bar of a vacuum aspiration type biopsy forceps for surgical operation according to the present invention;
FIG. 4 is a schematic perspective view of a forceps body of a vacuum suction biopsy forceps for surgical operation according to the present invention;
FIG. 5 is a schematic perspective view of an absorption seat of a negative pressure suction type biopsy forceps for surgical operation according to the present invention;
FIG. 6 is a perspective view of a fixing base of a vacuum suction biopsy forceps for surgical operation according to the present invention;
fig. 7 is a schematic perspective view of a third slide bar of a negative pressure suction type biopsy forceps for surgical operation according to the present invention.
Illustration of the drawings:
1. a clamping mechanism; 101. a clamp body; 102. teeth; 103. a hinged seat; 104. a movable plate; 105. pulling a plate; 106. a transverse plate; 107. a card slot; 108. supporting a tube; 2. a connecting mechanism; 201. a stationary case; 202. a direction adjusting seat; 203. a negative pressure suction tube; 204. an adsorption seat; 205. a through groove; 206. a communicating pipe; 207. a socket joint seat; 3. a clamping mechanism; 301. a first slide bar; 302. a first sliding sleeve; 303. a first spring; 304. a limiting plate; 305. a top block; 306. a card holder; 307. a telescopic rod; 308. a second spring; 309. extruding the block; 310. a clamping block; 311. a first slider; 312. a second slide bar; 313. a first chute; 314. a second sliding sleeve; 315. a fixed block; 316. a connecting seat; 317. a guide wire; 318. a second slider; 4. a holding mechanism; 401. a fixed seat; 402. pressing the cushion; 403. a third sliding sleeve; 404. a third slide bar; 405. a third spring; 406. a handle; 5. and protecting the shell tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a negative pressure suction type biopsy forceps for surgical operation comprises a clamping mechanism 1, wherein two sides of the clamping mechanism 1 are movably connected with a clamping mechanism 3 through a connecting mechanism 2, a protective shell tube 5 is fixedly connected to one side of the connecting mechanism 2, and a holding mechanism 4 is sleeved on the outer side wall of the protective shell tube 5;
the clamping mechanism 1 comprises a clamp body 101, one side of the clamp body 101 is fixedly connected with a hinge seat 103, the clamp body 101 is hinged with a support tube 108 through the hinge seat 103, one side of the hinge seat 103 is fixedly connected with a movable plate 104, one side of the movable plate 104 is sleeved with a pulling plate 105, the pulling plate 105 is positioned in a through groove 205 formed in one side of the support tube 108, one side of the pulling plate 105 is fixedly connected with a transverse plate 106, the transverse plate 106 is movably connected to the connecting mechanism 2 through a clamping groove 107 formed in the bottom of the transverse plate 106, and one side of the support tube 108 is attached to the connecting mechanism 2;
the connecting mechanism 2 comprises a fixed shell 201, one side of the fixed shell 201 is attached to the supporting tube 108, an adsorption seat 204 is arranged in the inner cavity of the fixed shell 201, the adsorption seat 204 is communicated with a communicating tube 206, a sleeve joint seat 207 is movably sleeved on the outer side wall of the communicating tube 206, and the other side of the sleeve joint seat 207 is communicated with a negative pressure suction tube 203.
A plurality of teeth 102 are formed in one side of the pliers body 101, the tops of the teeth 102 are in a sharp-pointed shape, the connecting mechanism 2 further comprises a direction adjusting seat 202, the direction adjusting seat 202 is sleeved on the outer wall of the fixed shell 201, the other side of the direction adjusting seat 202 is fixedly connected with one side of the protective shell tube 5, the direction adjusting seat 202 is a telescopic corrugated tube sleeve, and the supporting tube 108 is a plastic hard tube.
The clamping mechanism 3 comprises a first slide bar 301, a first sliding sleeve 302 is sleeved on the outer side wall of the first slide bar 301, the two sides of the first sliding sleeve 302 are fixedly connected with a second sliding block 318, one side of a fixed shell 201 is provided with an opening, the two sides of an inner cavity of the opening are provided with second sliding grooves, the second sliding block 318 is connected in the second sliding grooves in a sliding manner, the first sliding sleeve 302 is positioned in the opening on the one side of the outer wall of the fixed shell 201, the bottom of the first slide bar 301 is fixedly connected with a clamping seat 306, the clamping seat 306 is positioned in the inner cavity of the fixed shell 201, the bottom of the inner cavity of the clamping seat 306 is fixedly connected with a clamping block 310, the clamping block 310 is clamped in a clamping groove 107, the bottom of a transverse plate 106 is attached to the bottom of the inner cavity of the clamping seat 306, a limiting plate 304 is clamped on the outer side wall of the first slide bar 301, a first sliding groove 313 is formed in one side of the first sliding rod 301, a first sliding block 311 is connected in the first sliding groove 313 in a sliding mode, the cross sections of the first sliding block 311 and the first sliding groove 313 are both in a T shape, a second sliding rod 312 is fixedly connected to the other side of the first sliding block 311, a second sliding sleeve 314 is sleeved on the outer side wall of the second sliding rod 312, a fixed block 315 is embedded on the outer side wall of the second sliding sleeve 314, the bottom of the fixed block 315 is fixedly connected with the top of the fixed shell 201, and the second sliding rod 312 penetrates through the protective shell tube 5, extends to the tail end of the protective shell tube 5 and is connected.
One side of the inner cavity of the clamping seat 306 is fixedly connected with an extrusion block 309 through an expansion rod 307, the extrusion block 309 is attached to one side of the transverse plate 106, a second spring 308 is sleeved on the outer side wall of the expansion rod 307, two ends of the second spring 308 are fixedly connected with the inner cavity of the clamping seat and the extrusion block 309 respectively, and the height of the inner cavity of the clamping seat 306 is greater than the sum of the heights of the clamping block 310 and the transverse plate 106.
After the biopsy is completed, the two side jacking blocks 305 can be extruded to drive the first slide bar 301 to slide in the first sliding sleeve 302, while the first slide bar 301 slides, the first sliding groove 313 on one side slides in the first sliding block 311, so that the fixing stability of the second slide bar 312 is not affected, the two side first slide bars 301 move close to each other to drive the clamping seats 306 to move close to each other, the height of the inner cavity of the clamping seat 306 can meet the requirement of the height of the inner cavity of the clamping seat 306 to drive the clamping block 310 to separate from the clamping groove 107 under the moving stroke, the limiting stability is ensured, the clamping seat 306 moves to drive the clamping block 310 to separate from the clamping groove 107 at the bottom of the transverse plate 106, meanwhile, the second spring 308 drives the expansion rod 307 to extend by using the self elastic force, the expansion rod 307 drives the extrusion block 309 to extrude the transverse plate 106, the expansion rod 307 and the second spring 308 can drive the transverse, thereby can separate the dismantlement with stay tube 108 fast, make things convenient for the staff to carry out whole disinfection to dismantling back stay tube 108 and one side pincers body 101, improve pincers body 101 and stay tube 108 and dismantle assembly efficiency, satisfy the disinfection and use needs, reduce the staff work degree of difficulty.
The holding mechanism 4 comprises a fixed seat 401, a third sliding sleeve 403 is embedded in the top of the fixed seat 401, a third sliding rod 404 is connected in the third sliding sleeve 403 in a sliding mode, a handle 406 is fixedly connected to the top end of the third sliding rod 404, an extrusion pad 402 is fixedly connected to the bottom of the third sliding rod 404, the fixed seat 401 is sleeved on the outer wall of the protection shell tube 5, and the bottom of the extrusion pad 402 is attached to the corresponding position of the protection shell tube 5.
The implementation mode is specifically as follows: the handles 406 on two sides are pulled to drive the third sliding rod 404 to move upwards in the third sliding sleeve 403, at the moment, the third sliding rod 404 moves to pull the extrusion pad 402 to be separated from the protective shell tube 5, at the moment, the fixing seat 401 can slide on the outer wall of the protective shell tube 5, the position of the fixing seat 401 can be adjusted as required, wiring of the protective shell tube 5 is conveniently adjusted, the third spring 405 outside the third sliding rod 404 can improve the moving stability of the third sliding rod 404, the extrusion pad 402 is prevented from being separated from the fixing body when the third sliding rod moves, the clamping stability of the fixing seat 401 is ensured, the connecting seat 316 can be connected through the guide wire 317 to improve the control precision of the endoscope during use, the control precision during sampling is further effectively improved, and.
The working principle is as follows: when in use, when biopsy is needed, the connecting mechanism 2 is inserted into a biopsy cavity of a cavity mirror pipeline, the cavity mirror pipeline drives the connecting mechanism 2 and the clamping mechanism 1 at one side to enter a biopsy area, the cavity mirror pipeline is moved to drive the fixed shell 201 and the forceps body 101 to adjust the angle to face backwards, the forceps bodies 101 at two sides are attached to a biopsy object, the tooth 102 with the sharp-pointed shape can effectively improve the biopsy sampling occlusion strength, the adsorption seat 204 can be attached to the biopsy object at the moment, the pull ring connected with the second slide bar 312 at two sides of the rear end is pulled, the second slide bar 312 pulls the first slide bar 301 and the fixed shell 201 under the force, the fixed shell 201 is shortened through the rear direction adjusting seat 202, the direction adjusting seat 202 made of the telescopic corrugated pipe sleeve material can be pulled to adjust the orientation angle and shorten, when only the second slide bar 312 at one side is pulled, the direction adjusting seat 202 can pull the fixed shell 201 and the supporting pipe 108 to adjust the orientation angle, and the supporting pipe 108 made of the, and is convenient for subsequent disinfection and cleaning, the direction-adjusting seat 202 is shortened, the second slide bar 312 pulls the first slide bar 301 and the first sliding sleeve 302 to slide in openings at two sides of the fixed shell 201, the first slide bar 301 pushes the bottom clamping seat 306 and the transverse plate 106 to drive the one-side pull plate 105 to push the movable plate 104, the movable plate 104 pulls the two-side forceps bodies 101 to fold around the hinged seat 103, the folded forceps bodies 101 shear the biopsy, and simultaneously the external negative pressure aspirator can suck the suction seat 204 through the negative pressure suction tube 203 and the communicating tube 206, so that the biopsy can be sucked by the suction seat 204 after being sheared, and then the biopsy can be sucked by the suction seat 204 after being sheared, thereby avoiding the separation and the detachment of the biopsy body from the forceps 101 when the biopsy body moves due to insufficient strength of the biopsy, the direction-adjusting seat 202 can be driven by pulling the one-side second slide bar 312 to obliquely shorten and adjust the positions of the fixed shell, therefore, the biopsy sampling angle adjusting device can be adapted to the requirements of biopsy sampling angle adjustment under different conditions, and simultaneously improves the pulling adsorption strength, thereby meeting the requirements of stability and adaptability of biopsy sampling;
after the biopsy is completed, the two side ejector blocks 305 can be extruded to drive the first slide bar 301 to slide in the first sliding sleeve 302, the first slide bar 301 slides while the first slide bar 301 slides in the first sliding block 311, so that the stability of fixing the second slide bar 312 is not affected, the two side first slide bars 301 move close to each other to drive the clamping seat 306 to move close to each other, the clamping seat 306 moves to drive the clamping block 310 connected on one side to separate from the clamping groove 107 on one side of the transverse plate 106, meanwhile, the second spring 308 drives the expansion rod 307 to extend by utilizing the self elasticity, the expansion rod 307 extends to drive the extrusion block 309 to extrude the transverse plate 106, at this moment, the transverse plate 106 and the pull plate 105 can be driven by pulling the supporting tube to separate from the clamping seat 306 on one.
The handles 406 at the two sides are pulled to drive the third sliding rod 404 to move upwards in the third sliding sleeve 403, at this time, the third sliding rod 404 moves to pull the extrusion pad 402 to separate from the protection casing 5, and at this time, the fixed seat 401 can slide on the outer wall of the protection casing 5 to adjust the placement position of the fixed seat 401.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The negative pressure suction type biopsy forceps for the surgical operation comprise a clamping mechanism (1) and are characterized in that two sides of the clamping mechanism (1) are movably connected with a clamping mechanism (3) through a connecting mechanism (2), a protective shell tube (5) is fixedly connected to one side of the connecting mechanism (2), and a holding mechanism (4) is sleeved on the outer side wall of the protective shell tube (5);
fixture (1) is including pincers body (101), the articulated seat of pincers body (101) one side fixedly connected with (103), pincers body (101) articulates through articulated seat (103) has stay tube (108), articulated seat (103) one side fixedly connected with fly leaf (104), fly leaf (104) one side has cup jointed arm-tie (105), arm-tie (105) are located logical groove (205) that stay tube (108) one side was seted up, arm-tie (105) one side fixedly connected with diaphragm (106), draw-in groove (107) swing joint that diaphragm (106) were seted up through the bottom is in coupling mechanism (2) one side, and stay tube (108) laminate mutually with coupling mechanism (2), a plurality of tooth (102) have been seted up to pincers body (101) one side, and tooth (102) top is the point thorn form.
2. The biopsy forceps with negative pressure suction for surgical operation according to claim 1, wherein the connecting mechanism (2) comprises a fixed shell (201), one side of the fixed shell (201) is attached to the support tube (108), an inner cavity of the fixed shell (201) is provided with an adsorption seat (204), the adsorption seat (204) is communicated with a communicating tube (206), the outer side wall of the communicating tube (206) is movably sleeved with a sleeve seat (207), and one side of the sleeve seat (207) is communicated with a negative pressure suction tube (203).
3. The biopsy forceps with negative pressure suction for surgical operation according to claim 2, wherein the connecting mechanism (2) further comprises a direction adjusting seat (202), the direction adjusting seat (202) is sleeved on the outer wall of the fixed shell (201), the other side of the direction adjusting seat (202) is fixedly connected with one side of the protective shell tube (5), and the direction adjusting seat (202) is a telescopic corrugated tube sleeve.
4. The biopsy forceps with negative pressure suction for surgical operation according to claim 1, wherein the clamping mechanism (3) comprises a first slide bar (301), a first sliding sleeve (302) is sleeved on an outer side wall of the first slide bar (301), second sliding blocks (318) are fixedly connected to both sides of the first sliding sleeve (302), an opening is formed in one side of the fixed casing (201), second sliding grooves are formed in both sides of an inner cavity of the opening, the second sliding blocks (318) are slidably connected in the second sliding grooves, the first sliding sleeve (302) is located in the opening in one side of the outer wall of the fixed casing (201), a clamping seat (306) is fixedly connected to a bottom of the first slide bar (301), the clamping seat (306) is located in the inner cavity of the fixed casing (201), a clamping block (310) is fixedly connected to a bottom of the inner cavity of the clamping seat (306), the clamping block (310) is clamped in the clamping groove (107), and a bottom of the transverse plate (106) is attached to a bottom of the inner cavity, a limiting plate (304) is clamped on the outer side wall of the first sliding rod (301), the bottom of the limiting plate (304) is fixedly connected with the top of the first sliding sleeve (302) through a first spring (303), the first spring (303) is sleeved on the outer side wall of the first sliding rod (301), a first sliding groove (313) is formed in one side of the first sliding rod (301), a first sliding block (311) is connected in the first sliding groove (313) in a sliding manner, the cross sections of the first sliding block (311) and the first sliding chute (313) are both T-shaped, a second sliding rod (312) is fixedly connected to the other side of the first sliding block (311), a second sliding sleeve (314) is sleeved on the outer side wall of the second sliding rod (312), a fixed block (315) is embedded in the outer side wall of the second sliding sleeve (314), the bottom of the fixed block (315) is fixedly connected with the top of the fixed shell (201), the second slide bar (312) extends through the protective casing (5) and to the end of the protective casing (5).
5. The biopsy forceps with negative pressure suction for surgical operation according to claim 4, wherein a squeezing block (309) is fixedly connected to one side of the inner cavity of the holder (306) through a telescopic rod (307), the squeezing block (309) is attached to one side of the transverse plate (106), a second spring (308) is sleeved on the outer side wall of the telescopic rod (307), and two ends of the second spring (308) are respectively fixedly connected to the inner cavity of the holder and the squeezing block (309).
6. The biopsy forceps of claim 4, wherein the height of the inner cavity of the holder (306) is greater than the sum of the height of the block (310) and the height of the cross plate (106).
7. The biopsy forceps with negative pressure suction for surgical operation according to claim 4, wherein the clamping mechanism (3) further comprises a connecting base (316), a guide wire (317) is movably installed on one side of the connecting base (316), and the guide wire (317) is communicated with an external endoscope device.
8. The negative pressure suction type biopsy forceps for surgical operation according to claim 1, wherein the holding mechanism (4) comprises a fixed seat (401), a third sliding sleeve (403) is embedded in the top of the fixed seat (401), a third sliding rod (404) is slidably connected in the third sliding sleeve (403), a handle (406) is fixedly connected to the top end of the third sliding rod (404), a pressing pad (402) is fixedly connected to the bottom of the third sliding rod (404), the fixed seat (401) is sleeved on the outer wall of the protection casing (5), and the bottom of the pressing pad (402) is attached to the corresponding position of the protection casing (5).
9. The biopsy forceps of claim 8, wherein a third spring (405) is sleeved on an outer side wall of the third sliding rod (404), and two ends of the third spring (405) are fixedly connected to the handle (406) and a corresponding position of the third sliding sleeve (403), respectively.
10. The biopsy forceps of claim 1, wherein the support tube (108) is a plastic rigid tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011085033.2A CN112274194B (en) | 2020-10-12 | 2020-10-12 | Negative pressure suction type biopsy forceps for surgical operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011085033.2A CN112274194B (en) | 2020-10-12 | 2020-10-12 | Negative pressure suction type biopsy forceps for surgical operation |
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| CN112274194A true CN112274194A (en) | 2021-01-29 |
| CN112274194B CN112274194B (en) | 2022-08-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413175A (en) * | 2021-07-16 | 2021-09-21 | 浙江夸迈医疗器械有限公司 | Biopsy binding clip |
| CN113509226A (en) * | 2021-04-28 | 2021-10-19 | 苏州法兰克曼医疗器械有限公司 | Reduce interior outer wall frictional force's anastomat pipeline for laparoscopic surgery |
| CN113713187A (en) * | 2021-07-23 | 2021-11-30 | 毛小霞 | Nasal skin medical instrument capable of changing direction, adsorbing and avoiding skin damage |
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| CN113509226A (en) * | 2021-04-28 | 2021-10-19 | 苏州法兰克曼医疗器械有限公司 | Reduce interior outer wall frictional force's anastomat pipeline for laparoscopic surgery |
| CN113509226B (en) * | 2021-04-28 | 2022-06-28 | 苏州法兰克曼医疗器械有限公司 | Reduce interior outer wall frictional force's anastomat pipeline for laparoscopic surgery |
| CN113413175A (en) * | 2021-07-16 | 2021-09-21 | 浙江夸迈医疗器械有限公司 | Biopsy binding clip |
| CN113713187A (en) * | 2021-07-23 | 2021-11-30 | 毛小霞 | Nasal skin medical instrument capable of changing direction, adsorbing and avoiding skin damage |
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| Publication number | Publication date |
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| CN112274194B (en) | 2022-08-26 |
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