CN107595330B - Cervical biopsy forceps of shifting - Google Patents
Cervical biopsy forceps of shifting Download PDFInfo
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- CN107595330B CN107595330B CN201711023481.8A CN201711023481A CN107595330B CN 107595330 B CN107595330 B CN 107595330B CN 201711023481 A CN201711023481 A CN 201711023481A CN 107595330 B CN107595330 B CN 107595330B
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Abstract
The invention discloses a gear-shifting cervical biopsy forceps, which comprises a driving handle, a holding part and a forceps rod, wherein the forceps rod comprises a groove rod at the lower part and a post rod at the upper part, a piston cylinder is fixed in the holding part, a piston rod and the post rod penetrate through two holes of a double-hole limiting plate, a gear-shifting thumb wheel is arranged behind the piston rod and the post rod, a through hole is arranged at the radius position of the gear-shifting thumb wheel corresponding to the post rod or the piston rod, a shifting rod is arranged at one side of the gear-shifting thumb wheel, sliding grooves opposite to the shifting rod are formed in the top and two sides of the holding part, a rod shaft penetrates through a shaft sleeve in the center of the gear-shifting thumb wheel, a sliding sleeve is sleeved on the rod shaft, the sliding sleeve is connected with the inner wall of the holding part, and the rod shaft drives the rod shaft to move back and forth through the driving handle. Thereby effectively realize advancing or advancing respectively in step to post and piston rod, sample, spout the medicine and go on simultaneously or carry out respectively alone all can, bimanually, hold the portion of gripping on the other hand, the operation actuating handle on the other hand, stability is good.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a shifting type cervical biopsy forceps combining medicine spraying and sampling.
Background
Biopsy is also called biopsy, and refers to a technique for taking out diseased tissue from a patient by means of incision, clamping, or puncture, and performing pathological examination, in response to the needs of diagnosis and treatment. Particularly for the precise diagnostic treatment of various types of tumors formed in the body, it is necessary to identify the type of tumor by cytometric examination in order to determine the drugs and methods of performing the treatment.
Cervical cancer is the most common gynecological malignant tumor, the incidence of the cervical cancer tends to be younger in recent years along with the change of living environment and living habits of people, the cervical cancer and precancerous diseases are discovered and treated at early stage by the common application of cervical cytology screening, and the incidence and mortality of the cervical cancer are obviously reduced. Cervical cell screening requires biopsy sampling. Cervical biopsy forceps can cause the sampling point to bleed when pressing from both sides and getting the tissue sample, and traditional way is with the tissue of taking a sample back, again to bleeding point hemostatic treatment, and is inefficient, and the effect is poor.
An invention patent with publication number CN 205072916U, published 3/9/2016, discloses a cervical biopsy forceps with medicine spraying function, wherein an atomizing nozzle is embedded in the front end of a forceps head, a medicine liquid conveying chamber is arranged in the bottom wall of a forceps rod, and the rear end of the forceps rod is connected with a syringe through a syringe interface. Although can realize spraying medicine hemostasis to bleeding position immediately when the biopsy, the operation is inconvenient, gets the tissue back at the clamp, and one side needs to stabilize the biopsy forceps, and on the other hand needs to operate the syringe again and spouts the medicine, and handheld pincers, the injection of one hand cause the biopsy forceps unstability easily, and in addition, the liquid medicine that spouts the hemostasis of blood easily causes the pollution to the sample, reduces the accuracy of inspection.
Therefore, there is a need for a cervical biopsy forceps which is easy and convenient to operate, has good stability, can realize hemostasis while sampling, and can prevent sampling tissues from being polluted by liquid medicine.
Disclosure of Invention
The invention aims to provide a gear-shifting cervical biopsy forceps which can effectively realize the disinfection and sterilization or hemostasis treatment of spraying liquid medicine to a sampling part while sampling and avoid the pollution of sampling tissues by the liquid medicine.
In order to achieve the purpose, the invention provides the following technical scheme: a gear-shifting cervical biopsy forceps comprises a driving handle, a holding part and a forceps rod, wherein the forceps rod comprises a groove rod at the lower part and a post rod at the upper part, a storage cylinder is connected to the front end of the post rod, an elastic sealing valve is arranged at the opening at the front end of the storage cylinder, the front end of the groove rod is bent upwards to form a cylindrical structure with a blind hole at the front end, a circulating pipeline is arranged in the groove rod, the front end of the groove rod extends to one side of the cylindrical structure to form an outlet, a sleeve is sleeved outside the forceps rod to restrict and limit the groove rod and the post rod, the groove rod and the sleeve are both fixedly connected with the holding part, the post rod extends to the inside of the holding part, a piston cylinder is fixed in the holding part, one end of the piston cylinder is connected with the circulating pipeline of the groove rod through a connecting pipe, the other end of the piston cylinder is provided with a piston rod, the piston rod and the post rod are connected with the inner wall of the holding part through a double-hole limiting plate, the piston rod and the post rod are arranged in two holes of the double-hole limiting plate, the piston rod and the post rod are both provided with limiting rings, a spring is arranged between the limiting rings and the double-hole limiting plates, a gear shifting thumb wheel is arranged behind the piston rod and the post rod, a through hole is formed in the radius position of the gear shifting thumb wheel corresponding to the post rod or the piston rod, a shifting rod is arranged on one side of the gear shifting thumb wheel, sliding grooves opposite to the shifting rod are formed in the top and two sides of the holding portion, a rod shaft penetrates through the center of the gear shifting thumb wheel through a shaft sleeve, a sliding sleeve is sleeved on the rod shaft and connected with the inner wall of the holding portion, and the rod shaft drives the rod shaft to move back and forth through the driving handle.
The rear end of the post rod extends rearward by a certain length than the rear end of the piston rod.
The storage cylinder and the pole have the same diameter and are movably connected through a T-shaped or dovetail-shaped sliding block and a sliding groove at the end part of the storage cylinder.
The driving handle comprises a fixed handle and a movable handle hinged with the fixed handle, the fixed handle is fixedly connected with the holding part, and the movable handle extends into the holding part and is hinged with the rear end of the rod shaft.
The top of the movable handle is provided with a sliding groove along the axial direction of the movable handle, a pin shaft penetrates through the sliding groove, and the pin shaft penetrates through the rod shaft.
The lower ends of the fixed handle and the movable handle are provided with finger rings.
A spring is connected between the finger rings at the lower ends of the fixed handle and the movable handle.
The front end of the sleeve is of a spherical structure, a sampling port is formed in part of the side face corresponding to the storage cylinder and the grooved rod cylindrical structure, and a through hole is formed in the part corresponding to the outlet of the circulating pipeline.
The grooved rod and the sleeve are of an integrated structure.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the gear shifting thumb wheel is arranged behind the column rod and the piston rod in the holding part, and the eccentric through hole is arranged on the gear shifting thumb wheel, the column rod and the piston rod are arranged in parallel and are positioned at the same radius position of the gear shifting thumb wheel, so that the column rod and the piston rod are effectively synchronously or respectively pushed, when the through hole is not corresponding to the column rod and the piston rod, the column rod and the piston rod are synchronously pushed, when the through hole is corresponding to the column rod, the piston rod is pushed for administration, and when the through hole is corresponding to the piston rod, the column rod is pushed for sampling.
2. The driving handle realizes the driving gear shifting thumb wheel through the driving rod shaft and translates around in the gripping part, and then promote the forward motion of pole and/or piston rod through the thumb wheel of shifting, the tubular structure of groove pole front end cooperatees with the storage cylinder of pole front end, utilize its marginal part to form shearing action, organize the shearing of taking a sample, and under the continuous propulsive effect of pole, organize the sample and impress in the storage cylinder, sample tissue gets into behind the storage cylinder, under the effect of closed valve, closed and sealed, effectively reduce and avoid spraying liquid medicine to the sample position when diminishing inflammation and stanching, the liquid medicine pollutes the sample tissue. When the sampling tissue enters the storage cylinder, the gear shifting thumb wheel pushes the piston rod to push out the liquid medicine in the piston cylinder, and the liquid medicine reaches the outlet along the flow pipeline to be sprayed, so that the sampling part is sterilized or hemostatic. Or the plunger rod or the piston rod is pushed independently to realize independent sampling and independent medicine spraying.
3. A post front end swing joint storing section of thick bamboo, the convenient change, a storing section of thick bamboo disposable, health safety to effectively protect the sample tissue, also avoid causing other pollutant adhesions when biopsy forceps follow patient's internal taking out.
4. The springs are connected between the finger rings at the lower ends of the fixed handle and the movable handle, so that the gear shifting thumb wheel can be automatically withdrawn under the action of the springs after sampling, and the post rod and/or the piston rod can be withdrawn under the action of the springs arranged respectively, thereby being simple, convenient and trouble-saving.
5. The invention has simple structure and convenient operation, can simultaneously or respectively and independently carry out sampling and medicine spraying, is operated by two hands, holds the holding part by one hand and operates the driving handle by the other hand, and has good stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the shift finger of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of the connection structure between the storage cylinder and the front end of the post;
fig. 5 is a schematic front end structure view of the storage cylinder.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-5, a shifting type cervical biopsy forceps comprises a driving handle, a holding part 6 and a forceps rod, wherein the forceps rod comprises a groove rod 24 at the lower part and a post rod 3 at the upper part, the post rod 3 is matched in a groove of the groove rod 24, the front end of the post rod 3 is connected with a storage cylinder 2, the diameters of the storage cylinder 2 and the post rod 3 are the same, and the storage cylinder 2 and the post rod 3 are movably connected through a T-shaped (or dovetail-shaped) sliding block and a sliding groove which are matched at the connecting end part. The front end opening part of the storage cylinder 2 is provided with an elastic sealing valve 25, when a sampling tissue is extruded, the elastic sealing valve 25 is elastically deformed, enters the storage cylinder 2 through a gap between the elastic sealing valve 25, and after entering, the elastic sealing valve 25 restores to seal the storage cylinder 2. The front end of the groove rod 24 is bent upwards to deform to form a cylindrical structure with a blind hole at the front end, a circulation pipeline 1 is arranged in the groove rod 24, the front end of the circulation pipeline 1 extends to one side of the cylindrical structure to form an outlet, a sleeve 4 is sleeved outside the clamp rod to restrict and limit the groove rod 24 and the post rod 3, the post rod 3 is kept to slide in a groove of the groove rod 24, the groove rod 24 and the sleeve 4 are fixedly connected with the holding part 6, the post rod 3 extends to the inside of the holding part 6, a piston cylinder 5 is fixed in the holding part 6 through a fixing seat, one end of the piston cylinder 5 is connected with the circulation pipeline 1 of the groove rod 24 through a connecting pipe, a piston rod 15 is arranged at the other end of the piston cylinder 5, the piston rod 15 and the post rod 3 are connected with the inner wall of the holding part 6 through a double-hole limiting plate 14, the piston rod 15 and the post rod 3 are arranged in two holes of the double-hole limiting plate 14 in a sliding connection, and limiting rings 18 are arranged on the piston rod 15 and the post rod 3, and a return spring 17 is arranged between the limit ring 18 and the two-hole limit plate 14, as shown in fig. 1, the limit ring 18 is arranged behind the two-hole limit plate 14, the return spring 17 is an elastic spring, the limit ring 18 can also be arranged in front of the two-hole limit plate 14, the return spring 17 is a tension spring, and in a word, the return spring 17 forms an acting force with a backward motion trend to the piston rod 15 and the post rod 3.
A gear shifting thumb wheel 16 is arranged behind the piston rod 15 and the post rod 3, a through hole 21 is arranged at the radius position of the gear shifting thumb wheel 16 corresponding to the post rod 3 or the piston rod 15, the diameter of the through hole 21 is larger than that of the piston rod 15 and the post rod 3, a shift lever 19 is arranged on one side of the gear shifting thumb wheel 16, sliding grooves 23 opposite to the shift lever 19 are formed in the top and two sides of the holding part 6, so that the gear shifting and the shift lever 19 slide, the gear shifting thumb wheel 16 is limited, the gear shifting thumb wheel is prevented from rotating in the pushing process, a rod shaft 20 penetrates through the center of the gear shifting thumb wheel 16 through a shaft sleeve 22, a sliding sleeve 7 is sleeved on the rod shaft 20, and the sliding sleeve 7 is connected with the inner wall of the holding part 6. The shaft 20 is driven to move forward and backward by the driving handle.
As shown in fig. 1 and 2: the piston rod 15 and the post rod 3 are arranged in parallel up and down, when the deflector rod 19 is positioned at the top, the through hole 21 is positioned at one side part and does not correspond to the piston rod 15 and the post rod 3, and the shifting wheel 16 can simultaneously push the post rod 3 and the piston rod 15 to move forwards, so that sampling and medicine injection are simultaneously completed; when the shift lever 19 is positioned on the left side, the through hole 21 corresponds to the piston rod 15, when the shift wheel 16 moves forwards, the piston rod 15 passes through the through hole 21, and the shift wheel 16 can push the post rod 3 to move forwards, so that sampling is realized; when the shift lever 19 is located on the right side, the through hole 21 corresponds to the pole 3, when the shift wheel 16 moves forwards, the pole 3 passes through the through hole 21, and the shift wheel 16 can push the piston rod 15 to move forwards, so that medicine injection is realized. The rear end of the post rod 3 extends to a certain length backward than the rear end of the piston rod 15, so that when sampling and medicine injection are effectively completed at one time, after sampling tissues enter the storage cylinder 2, the gear shifting thumb wheel 16 pushes the piston rod 15 to inject medicine.
The driving handle comprises a fixed handle 10 and a movable handle 12 hinged with the fixed handle, the fixed handle 10 is fixedly connected with the holding portion 6, the movable handle 12 extends into the holding portion 6 and is hinged with the rear end of the rod shaft 20, a sliding groove 9 along the axial direction of the movable handle is formed in the top of the movable handle 12, a pin shaft 8 penetrates through the sliding groove 9, the pin shaft 8 penetrates through the rod shaft 20, when the movable handle 12 rotates, relative movable allowance is kept between the rod shaft 20 and the movable handle 12, the rod shaft 20 is enabled to translate along the axial direction of the rod shaft, and resistance caused by inclination is avoided.
Further as a preferred scheme, the lower ends of the fixed handle 10 and the movable handle 12 are provided with finger rings 13, an opening spring 11 is connected between the finger rings 13 at the lower ends of the fixed handle 10 and the movable handle 12, the biopsy forceps are taken out after the handles are kneaded for sampling and spraying, the handles are loosened, the handles can be automatically opened under the action of the opening spring 11, the rod shaft 20 and the gear shifting thumb wheel 16 are pulled back, the post rod 3 and/or the piston rod 15 are retracted under the action of the reset springs 17 arranged respectively, the operation is simple and convenient, and the storage barrel 2 is convenient to take out.
As a preferred scheme, the front end of the sleeve 4 is of a spherical structure, a sampling port is arranged on part of the side surface corresponding to the storage cylinder 2 and the groove rod cylindrical structure, and a through hole is arranged on the part corresponding to the outlet of the circulating pipeline.
Still further as a preferred scheme, the grooved rod 24 and the sleeve 4 are of an integral structure, and the structure is simpler and more compact.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a formula of shifting cervical biopsy pincers, includes driving handle, portion of gripping and claw pole, its characterized in that: the clamp rod comprises a groove rod at the lower part and a post rod at the upper part, the front end of the post rod is connected with a storage cylinder, an elastic closed valve is arranged at the opening at the front end of the storage cylinder, the front end of the groove rod is bent upwards to form a cylindrical structure with a blind hole at the front end, a circulating pipeline is arranged in the groove rod, the front end extends to one side of the cylindrical structure to form an outlet, a sleeve is sleeved outside the clamp rod to restrain and limit the groove rod and the post rod, the groove rod and the sleeve are fixedly connected with the holding part, the post rod extends into the holding part, a piston cylinder is fixed in the holding part, one end of the piston cylinder is connected with the circulating pipeline of the groove rod through a connecting pipe, the other end of the piston cylinder is provided with a piston rod, the piston rod and the post rod are connected with the inner wall of the holding part through a double-hole limiting plate, the piston rod and the post rod are arranged in two holes of the double-hole limiting plate in a penetrating way, and limiting rings are arranged on the piston rod and the post rod, a spring is arranged between the limit ring and the double-hole limit plate, a gear shifting thumb wheel is arranged behind the piston rod and the post rod, a through hole is formed in the radius position of the gear shifting thumb wheel corresponding to the post rod or the piston rod, a shift lever is arranged on one side of the gear shifting thumb wheel, sliding grooves opposite to the shift lever are formed in the top and two sides of the holding portion, a rod shaft penetrates through the center of the gear shifting thumb wheel through a shaft sleeve, a sliding sleeve is sleeved on the rod shaft and connected with the inner wall of the holding portion, the rod shaft drives the rod shaft to move back and forth through the driving handle, the driving handle comprises a fixed handle and a movable handle hinged with the fixed handle, the fixed handle is fixedly connected with the holding portion, the movable handle extends into the holding portion and is hinged with the rear end of the rod shaft, and finger rings are arranged at the lower ends of the fixed handle and the movable handle.
2. The shifting cervical biopsy forceps of claim 1, wherein: the rear end of the post rod extends rearward by a certain length than the rear end of the piston rod.
3. The shifting cervical biopsy forceps of claim 1, wherein: the storage cylinder and the pole have the same diameter and are movably connected with each other through a T-shaped or dovetail-shaped sliding block at the end part and a sliding groove correspondingly matched with the sliding block.
4. The shifting cervical biopsy forceps of claim 1, wherein: the top of the movable handle is provided with a sliding groove along the axial direction of the movable handle, a pin shaft penetrates through the sliding groove, and the pin shaft penetrates through the rod shaft.
5. The shifting cervical biopsy forceps of claim 1, wherein: a spring is connected between the finger rings at the lower ends of the fixed handle and the movable handle.
6. The shifting cervical biopsy forceps of claim 1, wherein: the front end of the sleeve is of a spherical structure, a sampling port is formed in part of the side face corresponding to the storage cylinder and the grooved rod cylindrical structure, and a through hole is formed in the part corresponding to the outlet of the circulating pipeline.
7. The shifting cervical biopsy forceps of claim 6, wherein: the grooved rod and the sleeve are of an integrated structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711023481.8A CN107595330B (en) | 2017-10-26 | 2017-10-26 | Cervical biopsy forceps of shifting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711023481.8A CN107595330B (en) | 2017-10-26 | 2017-10-26 | Cervical biopsy forceps of shifting |
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| CN107595330A CN107595330A (en) | 2018-01-19 |
| CN107595330B true CN107595330B (en) | 2022-01-18 |
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| CN201711023481.8A Active CN107595330B (en) | 2017-10-26 | 2017-10-26 | Cervical biopsy forceps of shifting |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123390A (en) * | 2019-05-06 | 2019-08-16 | 潍坊市妇幼保健院 | A kind of multi-functional Cerver biopsy tongs |
| CN110354372B (en) * | 2019-07-15 | 2021-12-03 | 重庆市合川区人民医院 | Intelligent drug administration and sampling integrated device for gynecological examination |
| CN111035415A (en) * | 2020-01-06 | 2020-04-21 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | Cervical sampling device |
| CN111493939A (en) * | 2020-04-26 | 2020-08-07 | 中国农业大学 | Protective sampling swab for large animals |
| CN111686362B (en) * | 2020-06-11 | 2021-02-09 | 王虹 | Medicine applicator for gynecology |
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| CN201595992U (en) * | 2009-12-10 | 2010-10-06 | 山东省计划生育科学技术研究所 | Vertical reticulated placer for intrauterine device |
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| CN203861275U (en) * | 2014-05-29 | 2014-10-08 | 张丽娟 | Cervical biopsy forceps |
| CN205072916U (en) * | 2015-10-28 | 2016-03-09 | 崔萍 | Cervical biopsy pincers of medicine function are spouted in area |
| CN208973933U (en) * | 2017-10-26 | 2019-06-14 | 钮红丽 | Gear shifting type Cerver biopsy tongs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2851616A1 (en) * | 2011-10-15 | 2013-04-18 | Transmed7, Llc | Soft tissue coring biopsy devices and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256554A (en) * | 2008-10-20 | 2011-11-23 | 脊柱诊察公司 | Retractor cannula system for accessing and visualizing spine and related methods |
| CN201595992U (en) * | 2009-12-10 | 2010-10-06 | 山东省计划生育科学技术研究所 | Vertical reticulated placer for intrauterine device |
| CN203861275U (en) * | 2014-05-29 | 2014-10-08 | 张丽娟 | Cervical biopsy forceps |
| CN205072916U (en) * | 2015-10-28 | 2016-03-09 | 崔萍 | Cervical biopsy pincers of medicine function are spouted in area |
| CN208973933U (en) * | 2017-10-26 | 2019-06-14 | 钮红丽 | Gear shifting type Cerver biopsy tongs |
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